diff options
| author | Dave Airlie <airlied@redhat.com> | 2014-09-16 11:28:52 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2014-09-16 11:38:04 +1000 |
| commit | b2efb3f0a1db62aff5e824125785ec6731143b6d (patch) | |
| tree | 67510cec69e18e55d82bed803428b2a5027d92bb | |
| parent | 4ac073640a528662a7c072a30e92e70ce00ded33 (diff) | |
| parent | 9e82bf014195d6f0054982c463575cdce24292be (diff) | |
drm: backmerge tag 'v3.17-rc5' into drm-next
This is requested to get the fixes for intel and radeon into the
same tree for future development work.
i915_display.c: fix missing dev_priv conflict.
786 files changed, 8114 insertions, 4530 deletions
diff --git a/Documentation/SubmittingPatches b/Documentation/SubmittingPatches index 0a523c9a5ff..482c74947de 100644 --- a/Documentation/SubmittingPatches +++ b/Documentation/SubmittingPatches @@ -794,6 +794,7 @@ Greg Kroah-Hartman, "How to piss off a kernel subsystem maintainer". <http://www.kroah.com/log/linux/maintainer-03.html> <http://www.kroah.com/log/linux/maintainer-04.html> <http://www.kroah.com/log/linux/maintainer-05.html> + <http://www.kroah.com/log/linux/maintainer-06.html> NO!!!! No more huge patch bombs to linux-kernel@vger.kernel.org people! <https://lkml.org/lkml/2005/7/11/336> diff --git a/Documentation/devicetree/bindings/dma/rcar-audmapp.txt b/Documentation/devicetree/bindings/dma/rcar-audmapp.txt index 9f1d750d76d..61bca509d7b 100644 --- a/Documentation/devicetree/bindings/dma/rcar-audmapp.txt +++ b/Documentation/devicetree/bindings/dma/rcar-audmapp.txt @@ -16,9 +16,9 @@ Example: * DMA client Required properties: -- dmas: a list of <[DMA multiplexer phandle] [SRS/DRS value]> pairs, - where SRS/DRS values are fixed handles, specified in the SoC - manual as the value that would be written into the PDMACHCR. +- dmas: a list of <[DMA multiplexer phandle] [SRS << 8 | DRS]> pairs. + where SRS/DRS are specified in the SoC manual. + It will be written into PDMACHCR as high 16-bit parts. - dma-names: a list of DMA channel names, one per "dmas" entry Example: diff --git a/Documentation/devicetree/bindings/input/atmel,maxtouch.txt b/Documentation/devicetree/bindings/input/atmel,maxtouch.txt index baef432e836..0ac23f2ed10 100644 --- a/Documentation/devicetree/bindings/input/atmel,maxtouch.txt +++ b/Documentation/devicetree/bindings/input/atmel,maxtouch.txt @@ -15,6 +15,17 @@ Optional properties for main touchpad device: keycode generated by each GPIO. Linux keycodes are defined in <dt-bindings/input/input.h>. +- linux,gpio-keymap: When enabled, the SPT_GPIOPWN_T19 object sends messages + on GPIO bit changes. An array of up to 8 entries can be provided + indicating the Linux keycode mapped to each bit of the status byte, + starting at the LSB. Linux keycodes are defined in + <dt-bindings/input/input.h>. + + Note: the numbering of the GPIOs and the bit they start at varies between + maXTouch devices. You must either refer to the documentation, or + experiment to determine which bit corresponds to which input. Use + KEY_RESERVED for unused padding values. + Example: touch@4b { diff --git a/Documentation/devicetree/bindings/mfd/tc3589x.txt b/Documentation/devicetree/bindings/mfd/tc3589x.txt new file mode 100644 index 00000000000..6fcedba46ae --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/tc3589x.txt @@ -0,0 +1,107 @@ +* Toshiba TC3589x multi-purpose expander + +The Toshiba TC3589x series are I2C-based MFD devices which may expose the +following built-in devices: gpio, keypad, rotator (vibrator), PWM (for +e.g. LEDs or vibrators) The included models are: + +- TC35890 +- TC35892 +- TC35893 +- TC35894 +- TC35895 +- TC35896 + +Required properties: + - compatible : must be "toshiba,tc35890", "toshiba,tc35892", "toshiba,tc35893", + "toshiba,tc35894", "toshiba,tc35895" or "toshiba,tc35896" + - reg : I2C address of the device + - interrupt-parent : specifies which IRQ controller we're connected to + - interrupts : the interrupt on the parent the controller is connected to + - interrupt-controller : marks the device node as an interrupt controller + - #interrupt-cells : should be <1>, the first cell is the IRQ offset on this + TC3589x interrupt controller. + +Optional nodes: + +- GPIO + This GPIO module inside the TC3589x has 24 (TC35890, TC35892) or 20 + (other models) GPIO lines. + - compatible : must be "toshiba,tc3589x-gpio" + - interrupts : interrupt on the parent, which must be the tc3589x MFD device + - interrupt-controller : marks the device node as an interrupt controller + - #interrupt-cells : should be <2>, the first cell is the IRQ offset on this + TC3589x GPIO interrupt controller, the second cell is the interrupt flags + in accordance with <dt-bindings/interrupt-controller/irq.h>. The following + flags are valid: + - IRQ_TYPE_LEVEL_LOW + - IRQ_TYPE_LEVEL_HIGH + - IRQ_TYPE_EDGE_RISING + - IRQ_TYPE_EDGE_FALLING + - IRQ_TYPE_EDGE_BOTH + - gpio-controller : marks the device node as a GPIO controller + - #gpio-cells : should be <2>, the first cell is the GPIO offset on this + GPIO controller, the second cell is the flags. + +- Keypad + This keypad is the same on all variants, supporting up to 96 different + keys. The linux-specific properties are modeled on those already existing + in other input drivers. + - compatible : must be "toshiba,tc3589x-keypad" + - debounce-delay-ms : debounce interval in milliseconds + - keypad,num-rows : number of rows in the matrix, see + bindings/input/matrix-keymap.txt + - keypad,num-columns : number of columns in the matrix, see + bindings/input/matrix-keymap.txt + - linux,keymap: the definition can be found in + bindings/input/matrix-keymap.txt + - linux,no-autorepeat: do no enable autorepeat feature. + - linux,wakeup: use any event on keypad as wakeup event. + +Example: + +tc35893@44 { + compatible = "toshiba,tc35893"; + reg = <0x44>; + interrupt-parent = <&gpio6>; + interrupts = <26 IRQ_TYPE_EDGE_RISING>; + + interrupt-controller; + #interrupt-cells = <1>; + + tc3589x_gpio { + compatible = "toshiba,tc3589x-gpio"; + interrupts = <0>; + + interrupt-controller; + #interrupt-cells = <2>; + gpio-controller; + #gpio-cells = <2>; + }; + tc3589x_keypad { + compatible = "toshiba,tc3589x-keypad"; + interrupts = <6>; + debounce-delay-ms = <4>; + keypad,num-columns = <8>; + keypad,num-rows = <8>; + linux,no-autorepeat; + linux,wakeup; + linux,keymap = <0x0301006b + 0x04010066 + 0x06040072 + 0x040200d7 + 0x0303006a + 0x0205000e + 0x0607008b + 0x0500001c + 0x0403000b + 0x03040034 + 0x05020067 + 0x0305006c + 0x040500e7 + 0x0005009e + 0x06020073 + 0x01030039 + 0x07060069 + 0x050500d9>; + }; +}; diff --git a/Documentation/devicetree/bindings/mtd/gpmc-nand.txt b/Documentation/devicetree/bindings/mtd/gpmc-nand.txt index 65f4f7c4313..ee654e95d8a 100644 --- a/Documentation/devicetree/bindings/mtd/gpmc-nand.txt +++ b/Documentation/devicetree/bindings/mtd/gpmc-nand.txt @@ -22,7 +22,7 @@ Optional properties: width of 8 is assumed. - ti,nand-ecc-opt: A string setting the ECC layout to use. One of: - "sw" <deprecated> use "ham1" instead + "sw" 1-bit Hamming ecc code via software "hw" <deprecated> use "ham1" instead "hw-romcode" <deprecated> use "ham1" instead "ham1" 1-bit Hamming ecc code diff --git a/Documentation/devicetree/bindings/net/stmmac.txt b/Documentation/devicetree/bindings/net/stmmac.txt index 9b03c57563a..e45ac3f926b 100644 --- a/Documentation/devicetree/bindings/net/stmmac.txt +++ b/Documentation/devicetree/bindings/net/stmmac.txt @@ -39,6 +39,10 @@ Optional properties: further clocks may be specified in derived bindings. - clock-names: One name for each entry in the clocks property, the first one should be "stmmaceth". +- clk_ptp_ref: this is the PTP reference clock; in case of the PTP is + available this clock is used for programming the Timestamp Addend Register. + If not passed then the system clock will be used and this is fine on some + platforms. Examples: diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,apq8064-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/qcom,apq8064-pinctrl.txt index 0211c6d8a52..92fae82f35f 100644 --- a/Documentation/devicetree/bindings/pinctrl/qcom,apq8064-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/qcom,apq8064-pinctrl.txt @@ -62,7 +62,7 @@ Example: #gpio-cells = <2>; interrupt-controller; #interrupt-cells = <2>; - interrupts = <0 32 0x4>; + interrupts = <0 16 0x4>; pinctrl-names = "default"; pinctrl-0 = <&gsbi5_uart_default>; diff --git a/Documentation/devicetree/bindings/regulator/tps65090.txt b/Documentation/devicetree/bindings/regulator/tps65090.txt index 340980239ea..ca69f5e3040 100644 --- a/Documentation/devicetree/bindings/regulator/tps65090.txt +++ b/Documentation/devicetree/bindings/regulator/tps65090.txt @@ -45,8 +45,8 @@ Example: infet5-supply = <&some_reg>; infet6-supply = <&some_reg>; infet7-supply = <&some_reg>; - vsys_l1-supply = <&some_reg>; - vsys_l2-supply = <&some_reg>; + vsys-l1-supply = <&some_reg>; + vsys-l2-supply = <&some_reg>; regulators { dcdc1 { diff --git a/Documentation/devicetree/bindings/sound/adi,axi-spdif-tx.txt b/Documentation/devicetree/bindings/sound/adi,axi-spdif-tx.txt index 46f34496531..4eb7997674a 100644 --- a/Documentation/devicetree/bindings/sound/adi,axi-spdif-tx.txt +++ b/Documentation/devicetree/bindings/sound/adi,axi-spdif-tx.txt @@ -1,7 +1,7 @@ ADI AXI-SPDIF controller Required properties: - - compatible : Must be "adi,axi-spdif-1.00.a" + - compatible : Must be "adi,axi-spdif-tx-1.00.a" - reg : Must contain SPDIF core's registers location and length - clocks : Pairs of phandle and specifier referencing the controller's clocks. The controller expects two clocks, the clock used for the AXI interface and diff --git a/Documentation/devicetree/bindings/usb/mxs-phy.txt b/Documentation/devicetree/bindings/usb/mxs-phy.txt index cef181a9d8b..96681c93b86 100644 --- a/Documentation/devicetree/bindings/usb/mxs-phy.txt +++ b/Documentation/devicetree/bindings/usb/mxs-phy.txt @@ -5,6 +5,7 @@ Required properties: * "fsl,imx23-usbphy" for imx23 and imx28 * "fsl,imx6q-usbphy" for imx6dq and imx6dl * "fsl,imx6sl-usbphy" for imx6sl + * "fsl,imx6sx-usbphy" for imx6sx "fsl,imx23-usbphy" is still a fallback for other strings - reg: Should contain registers location and length - interrupts: Should contain phy interrupt diff --git a/Documentation/devicetree/bindings/video/analog-tv-connector.txt b/Documentation/devicetree/bindings/video/analog-tv-connector.txt index 0218fcdc129..0c0970c210a 100644 --- a/Documentation/devicetree/bindings/video/analog-tv-connector.txt +++ b/Documentation/devicetree/bindings/video/analog-tv-connector.txt @@ -2,7 +2,7 @@ Analog TV Connector =================== Required properties: -- compatible: "composite-connector" or "svideo-connector" +- compatible: "composite-video-connector" or "svideo-connector" Optional properties: - label: a symbolic name for the connector @@ -14,7 +14,7 @@ Example ------- tv: connector { - compatible = "composite-connector"; + compatible = "composite-video-connector"; label = "tv"; port { diff --git a/Documentation/dma-buf-sharing.txt b/Documentation/dma-buf-sharing.txt index 67a4087d53f..bb9753b635a 100644 --- a/Documentation/dma-buf-sharing.txt +++ b/Documentation/dma-buf-sharing.txt @@ -56,10 +56,10 @@ The dma_buf buffer sharing API usage contains the following steps: size_t size, int flags, const char *exp_name) - If this succeeds, dma_buf_export allocates a dma_buf structure, and returns a - pointer to the same. It also associates an anonymous file with this buffer, - so it can be exported. On failure to allocate the dma_buf object, it returns - NULL. + If this succeeds, dma_buf_export_named allocates a dma_buf structure, and + returns a pointer to the same. It also associates an anonymous file with this + buffer, so it can be exported. On failure to allocate the dma_buf object, + it returns NULL. 'exp_name' is the name of exporter - to facilitate information while debugging. @@ -76,7 +76,7 @@ The dma_buf buffer sharing API usage contains the following steps: drivers and/or processes. Interface: - int dma_buf_fd(struct dma_buf *dmabuf) + int dma_buf_fd(struct dma_buf *dmabuf, int flags) This API installs an fd for the anonymous file associated with this buffer; returns either 'fd', or error. @@ -157,7 +157,9 @@ to request use of buffer for allocation. "dma_buf->ops->" indirection from the users of this interface. In struct dma_buf_ops, unmap_dma_buf is defined as - void (*unmap_dma_buf)(struct dma_buf_attachment *, struct sg_table *); + void (*unmap_dma_buf)(struct dma_buf_attachment *, + struct sg_table *, + enum dma_data_direction); unmap_dma_buf signifies the end-of-DMA for the attachment provided. Like map_dma_buf, this API also must be implemented by the exporter. diff --git a/Documentation/filesystems/nfs/nfs-rdma.txt b/Documentation/filesystems/nfs/nfs-rdma.txt index e386f7e4bce..724043858b0 100644 --- a/Documentation/filesystems/nfs/nfs-rdma.txt +++ b/Documentation/filesystems/nfs/nfs-rdma.txt @@ -138,9 +138,9 @@ Installation - Build, install, reboot The NFS/RDMA code will be enabled automatically if NFS and RDMA - are turned on. The NFS/RDMA client and server are configured via the hidden - SUNRPC_XPRT_RDMA config option that depends on SUNRPC and INFINIBAND. The - value of SUNRPC_XPRT_RDMA will be: + are turned on. The NFS/RDMA client and server are configured via the + SUNRPC_XPRT_RDMA_CLIENT and SUNRPC_XPRT_RDMA_SERVER config options that both + depend on SUNRPC and INFINIBAND. The default value of both options will be: - N if either SUNRPC or INFINIBAND are N, in this case the NFS/RDMA client and server will not be built @@ -235,8 +235,9 @@ NFS/RDMA Setup - Start the NFS server - If the NFS/RDMA server was built as a module (CONFIG_SUNRPC_XPRT_RDMA=m in - kernel config), load the RDMA transport module: + If the NFS/RDMA server was built as a module + (CONFIG_SUNRPC_XPRT_RDMA_SERVER=m in kernel config), load the RDMA + transport module: $ modprobe svcrdma @@ -255,8 +256,9 @@ NFS/RDMA Setup - On the client system - If the NFS/RDMA client was built as a module (CONFIG_SUNRPC_XPRT_RDMA=m in - kernel config), load the RDMA client module: + If the NFS/RDMA client was built as a module + (CONFIG_SUNRPC_XPRT_RDMA_CLIENT=m in kernel config), load the RDMA client + module: $ modprobe xprtrdma.ko diff --git a/Documentation/filesystems/seq_file.txt b/Documentation/filesystems/seq_file.txt index 1fe0ccb1af5..8ea3e90ace0 100644 --- a/Documentation/filesystems/seq_file.txt +++ b/Documentation/filesystems/seq_file.txt @@ -235,6 +235,39 @@ be used for more than one file, you can store an arbitrary pointer in the private field of the seq_file structure; that value can then be retrieved by the iterator functions. +There is also a wrapper function to seq_open() called seq_open_private(). It +kmallocs a zero filled block of memory and stores a pointer to it in the +private field of the seq_file structure, returning 0 on success. The +block size is specified in a third parameter to the function, e.g.: + + static int ct_open(struct inode *inode, struct file *file) + { + return seq_open_private(file, &ct_seq_ops, + sizeof(struct mystruct)); + } + +There is also a variant function, __seq_open_private(), which is functionally +identical except that, if successful, it returns the pointer to the allocated +memory block, allowing further initialisation e.g.: + + static int ct_open(struct inode *inode, struct file *file) + { + struct mystruct *p = + __seq_open_private(file, &ct_seq_ops, sizeof(*p)); + + if (!p) + return -ENOMEM; + + p->foo = bar; /* initialize my stuff */ + ... + p->baz = true; + + return 0; + } + +A corresponding close function, seq_release_private() is available which +frees the memory allocated in the corresponding open. + The other operations of interest - read(), llseek(), and release() - are all implemented by the seq_file code itself. So a virtual file's file_operations structure will look like: diff --git a/Documentation/gpio/consumer.txt b/Documentation/gpio/consumer.txt index 76546324e96..6ce544191ca 100644 --- a/Documentation/gpio/consumer.txt +++ b/Documentation/gpio/consumer.txt @@ -53,7 +53,20 @@ with IS_ERR() (they will never return a NULL pointer). -ENOENT will be returned if and only if no GPIO has been assigned to the device/function/index triplet, other error codes are used for cases where a GPIO has been assigned but an error occurred while trying to acquire it. This is useful to discriminate between mere -errors and an absence of GPIO for optional GPIO parameters. +errors and an absence of GPIO for optional GPIO parameters. For the common +pattern where a GPIO is optional, the gpiod_get_optional() and +gpiod_get_index_optional() functions can be used. These functions return NULL +instead of -ENOENT if no GPIO has been assigned to the requested function: + + + struct gpio_desc *gpiod_get_optional(struct device *dev, + const char *con_id, + enum gpiod_flags flags) + + struct gpio_desc *gpiod_get_index_optional(struct device *dev, + const char *con_id, + unsigned int index, + enum gpiod_flags flags) Device-managed variants of these functions are also defined: @@ -65,6 +78,15 @@ Device-managed variants of these functions are also defined: unsigned int idx, enum gpiod_flags flags) + struct gpio_desc *devm_gpiod_get_optional(struct device *dev, + const char *con_id, + enum gpiod_flags flags) + + struct gpio_desc * devm_gpiod_get_index_optional(struct device *dev, + const char *con_id, + unsigned int index, + enum gpiod_flags flags) + A GPIO descriptor can be disposed of using the gpiod_put() function: void gpiod_put(struct gpio_desc *desc) diff --git a/Documentation/i2c/dev-interface b/Documentation/i2c/dev-interface index 3e742ba2553..2ac78ae1039 100644 --- a/Documentation/i2c/dev-interface +++ b/Documentation/i2c/dev-interface @@ -57,12 +57,12 @@ Well, you are all set up now. You can now use SMBus commands or plain I2C to communicate with your device. SMBus commands are preferred if the device supports them. Both are illustrated below. - __u8 register = 0x10; /* Device register to access */ + __u8 reg = 0x10; /* Device register to access */ __s32 res; char buf[10]; /* Using SMBus commands */ - res = i2c_smbus_read_word_data(file, register); + res = i2c_smbus_read_word_data(file, reg); if (res < 0) { /* ERROR HANDLING: i2c transaction failed */ } else { @@ -70,11 +70,11 @@ the device supports them. Both are illustrated below. } /* Using I2C Write, equivalent of - i2c_smbus_write_word_data(file, register, 0x6543) */ - buf[0] = register; + i2c_smbus_write_word_data(file, reg, 0x6543) */ + buf[0] = reg; buf[1] = 0x43; buf[2] = 0x65; - if (write(file, buf, 3) ! =3) { + if (write(file, buf, 3) != 3) { /* ERROR HANDLING: i2c transaction failed */ } diff --git a/Documentation/kdump/kdump.txt b/Documentation/kdump/kdump.txt index 88d5a863712..6c0b9f27e46 100644 --- a/Documentation/kdump/kdump.txt +++ b/Documentation/kdump/kdump.txt @@ -18,7 +18,7 @@ memory image to a dump file on the local disk, or across the network to a remote system. Kdump and kexec are currently supported on the x86, x86_64, ppc64, ia64, -and s390x architectures. +s390x and arm architectures. When the system kernel boots, it reserves a small section of memory for the dump-capture kernel. This ensures that ongoing Direct Memory Access @@ -112,7 +112,7 @@ There are two possible methods of using Kdump. 2) Or use the system kernel binary itself as dump-capture kernel and there is no need to build a separate dump-capture kernel. This is possible only with the architectures which support a relocatable kernel. As - of today, i386, x86_64, ppc64 and ia64 architectures support relocatable + of today, i386, x86_64, ppc64, ia64 and arm architectures support relocatable kernel. Building a relocatable kernel is advantageous from the point of view that @@ -241,6 +241,13 @@ Dump-capture kernel config options (Arch Dependent, ia64) kernel will be aligned to 64Mb, so if the start address is not then any space below the alignment point will be wasted. +Dump-capture kernel config options (Arch Dependent, arm) +---------------------------------------------------------- + +- To use a relocatable kernel, + Enable "AUTO_ZRELADDR" support under "Boot" options: + + AUTO_ZRELADDR=y Extended crashkernel syntax =========================== @@ -256,6 +263,10 @@ The syntax is: crashkernel=<range1>:<size1>[,<range2>:<size2>,...][@offset] range=start-[end] +Please note, on arm, the offset is required. + crashkernel=<range1>:<size1>[,<range2>:<size2>,...]@offset + range=start-[end] + 'start' is inclusive and 'end' is exclusive. For example: @@ -296,6 +307,12 @@ Boot into System Kernel on the memory consumption of the kdump system. In general this is not dependent on the memory size of the production system. + On arm, use "crashkernel=Y@X". Note that the start address of the kernel + will be aligned to 128MiB (0x08000000), so if the start address is not then + any space below the alignment point may be overwritten by the dump-capture kernel, + which means it is possible that the vmcore is not that precise as expected. + + Load the Dump-capture Kernel ============================ @@ -315,7 +332,8 @@ For ia64: - Use vmlinux or vmlinuz.gz For s390x: - Use image or bzImage - +For arm: + - Use zImage If you are using a uncompressed vmlinux image then use following command to load dump-capture kernel. @@ -331,6 +349,15 @@ to load dump-capture kernel. --initrd=<initrd-for-dump-capture-kernel> \ --append="root=<root-dev> <arch-specific-options>" +If you are using a compressed zImage, then use following command +to load dump-capture kernel. + + kexec --type zImage -p <dump-capture-kernel-bzImage> \ + --initrd=<initrd-for-dump-capture-kernel> \ + --dtb=<dtb-for-dump-capture-kernel> \ + --append="root=<root-dev> <arch-specific-options>" + + Please note, that --args-linux does not need to be specified for ia64. It is planned to make this a no-op on that architecture, but for now it should be omitted @@ -347,6 +374,9 @@ For ppc64: For s390x: "1 maxcpus=1 cgroup_disable=memory" +For arm: + "1 maxcpus=1 reset_devices" + Notes on loading the dump-capture kernel: * By default, the ELF headers are stored in ELF64 format to support diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 5ae8608ca9f..10d51c2f10d 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -3541,6 +3541,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted. bogus residue values); s = SINGLE_LUN (the device has only one Logical Unit); + u = IGNORE_UAS (don't bind to the uas driver); w = NO_WP_DETECT (don't test whether the medium is write-protected). Example: quirks=0419:aaf5:rl,0421:0433:rc diff --git a/Documentation/misc-devices/lis3lv02d b/Documentation/misc-devices/lis3lv02d index af815b9ba41..f89960a0ff9 100644 --- a/Documentation/misc-devices/lis3lv02d +++ b/Documentation/misc-devices/lis3lv02d @@ -59,7 +59,7 @@ acts similar to /dev/rtc and reacts on free-fall interrupts received from the device. It supports blocking operations, poll/select and fasync operation modes. You must read 1 bytes from the device. The result is number of free-fall interrupts since the last successful -read (or 255 if number of interrupts would not fit). See the hpfall.c +read (or 255 if number of interrupts would not fit). See the freefall.c file for an example on using the device. diff --git a/Documentation/power/regulator/consumer.txt b/Documentation/power/regulator/consumer.txt index 81c0e2b49cd..8afb236ca76 100644 --- a/Documentation/power/regulator/consumer.txt +++ b/Documentation/power/regulator/consumer.txt @@ -143,8 +143,9 @@ This will cause the core to recalculate the total load on the regulator (based on all its consumers) and change operating mode (if necessary and permitted) to best match the current operating load. -The load_uA value can be determined from the consumers datasheet. e.g.most -datasheets have tables showing the max current consumed in certain situations. +The load_uA value can be determined from the consumer's datasheet. e.g. most +datasheets have tables showing the maximum current consumed in certain +situations. Most consumers will use indirect operating mode control since they have no knowledge of the regulator or whether the regulator is shared with other @@ -173,7 +174,7 @@ Consumers can register interest in regulator events by calling :- int regulator_register_notifier(struct regulator *regulator, struct notifier_block *nb); -Consumers can uregister interest by calling :- +Consumers can unregister interest by calling :- int regulator_unregister_notifier(struct regulator *regulator, struct notifier_block *nb); diff --git a/Documentation/power/regulator/design.txt b/Documentation/power/regulator/design.txt index f9b56b72b78..fdd919b9683 100644 --- a/Documentation/power/regulator/design.txt +++ b/Documentation/power/regulator/design.txt @@ -9,14 +9,14 @@ Safety - Errors in regulator configuration can have very serious consequences for the system, potentially including lasting hardware damage. - - It is not possible to automatically determine the power confugration + - It is not possible to automatically determine the power configuration of the system - software-equivalent variants of the same chip may - have different power requirments, and not all components with power + have different power requirements, and not all components with power requirements are visible to software. => The API should make no changes to the hardware state unless it has - specific knowledge that these changes are safe to do perform on - this particular system. + specific knowledge that these changes are safe to perform on this + particular system. Consumer use cases ------------------ diff --git a/Documentation/power/regulator/machine.txt b/Documentation/power/regulator/machine.txt index ce63af0a8e3..757e3b53dc1 100644 --- a/Documentation/power/regulator/machine.txt +++ b/Documentation/power/regulator/machine.txt @@ -11,7 +11,7 @@ Consider the following machine :- +-> [Consumer B @ 3.3V] The drivers for consumers A & B must be mapped to the correct regulator in -order to control their power supply. This mapping can be achieved in machine +order to control their power supplies. This mapping can be achieved in machine initialisation code by creating a struct regulator_consumer_supply for each regulator. @@ -39,7 +39,7 @@ to the 'Vcc' supply for Consumer A. Constraints can now be registered by defining a struct regulator_init_data for each regulator power domain. This structure also maps the consumers -to their supply regulator :- +to their supply regulators :- static struct regulator_init_data regulator1_data = { .constraints = { diff --git a/Documentation/power/regulator/overview.txt b/Documentation/power/regulator/overview.txt index 8ed17587a74..40ca2d6e274 100644 --- a/Documentation/power/regulator/overview.txt +++ b/Documentation/power/regulator/overview.txt @@ -36,11 +36,11 @@ Some terms used in this document:- Consumers can be classified into two types:- Static: consumer does not change its supply voltage or - current limit. It only needs to enable or disable it's + current limit. It only needs to enable or disable its power supply. Its supply voltage is set by the hardware, bootloader, firmware or kernel board initialisation code. - Dynamic: consumer needs to change it's supply voltage or + Dynamic: consumer needs to change its supply voltage or current limit to meet operation demands. @@ -156,7 +156,7 @@ relevant to non SoC devices and is split into the following four interfaces:- This interface is for machine specific code and allows the creation of voltage/current domains (with constraints) for each regulator. It can provide regulator constraints that will prevent device damage through - overvoltage or over current caused by buggy client drivers. It also + overvoltage or overcurrent caused by buggy client drivers. It also allows the creation of a regulator tree whereby some regulators are supplied by others (similar to a clock tree). diff --git a/Documentation/power/regulator/regulator.txt b/Documentation/power/regulator/regulator.txt index 13902778ae4..b17e5833ce2 100644 --- a/Documentation/power/regulator/regulator.txt +++ b/Documentation/power/regulator/regulator.txt @@ -13,7 +13,7 @@ Drivers can register a regulator by calling :- struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc, const struct regulator_config *config); -This will register the regulators capabilities and operations to the regulator +This will register the regulator's capabilities and operations to the regulator core. Regulators can be unregistered by calling :- @@ -23,8 +23,8 @@ void regulator_unregister(struct regulator_dev *rdev); Regulator Events ================ -Regulators can send events (e.g. over temp, under voltage, etc) to consumer -drivers by calling :- +Regulators can send events (e.g. overtemperature, undervoltage, etc) to +consumer drivers by calling :- int regulator_notifier_call_chain(struct regulator_dev *rdev, unsigned long event, void *data); diff --git a/Documentation/this_cpu_ops.txt b/Documentation/this_cpu_ops.txt index 1a4ce7e3e05..0ec99571217 100644 --- a/Documentation/this_cpu_ops.txt +++ b/Documentation/this_cpu_ops.txt @@ -2,26 +2,26 @@ this_cpu operations ------------------- this_cpu operations are a way of optimizing access to per cpu -variables associated with the *currently* executing processor through -the use of segment registers (or a dedicated register where the cpu -permanently stored the beginning of the per cpu area for a specific -processor). +variables associated with the *currently* executing processor. This is +done through the use of segment registers (or a dedicated register where +the cpu permanently stored the beginning of the per cpu area for a +specific processor). -The this_cpu operations add a per cpu variable offset to the processor -specific percpu base and encode that operation in the instruction +this_cpu operations add a per cpu variable offset to the processor +specific per cpu base and encode that operation in the instruction operating on the per cpu variable. -This means there are no atomicity issues between the calculation of +This means that there are no atomicity issues between the calculation of the offset and the operation on the data. Therefore it is not -necessary to disable preempt or interrupts to ensure that the +necessary to disable preemption or interrupts to ensure that the processor is not changed between the calculation of the address and the operation on the data. Read-modify-write operations are of particular interest. Frequently processors have special lower latency instructions that can operate -without the typical synchronization overhead but still provide some -sort of relaxed atomicity guarantee. The x86 for example can execute -RMV (Read Modify Write) instructions like inc/dec/cmpxchg without the +without the typical synchronization overhead, but still provide some +sort of relaxed atomicity guarantees. The x86, for example, can execute +RMW (Read Modify Write) instructions like inc/dec/cmpxchg without the lock prefix and the associated latency penalty. Access to the variable without the lock prefix is not synchronized but @@ -30,6 +30,38 @@ data specific to the currently executing processor. Only the current processor should be accessing that variable and therefore there are no concurrency issues with other processors in the system. +Please note that accesses by remote processors to a per cpu area are +exceptional situations and may impact performance and/or correctness +(remote write operations) of local RMW operations via this_cpu_*. + +The main use of the this_cpu operations has been to optimize counter +operations. + +The following this_cpu() operations with implied preemption protection +are defined. These operations can be used without worrying about +preemption and interrupts. + + this_cpu_add() + this_cpu_read(pcp) + this_cpu_write(pcp, val) + this_cpu_add(pcp, val) + this_cpu_and(pcp, val) + this_cpu_or(pcp, val) + this_cpu_add_return(pcp, val) + this_cpu_xchg(pcp, nval) + this_cpu_cmpxchg(pcp, oval, nval) + this_cpu_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2) + this_cpu_sub(pcp, val) + this_cpu_inc(pcp) + this_cpu_dec(pcp) + this_cpu_sub_return(pcp, val) + this_cpu_inc_return(pcp) + this_cpu_dec_return(pcp) + + +Inner working of this_cpu operations +------------------------------------ + On x86 the fs: or the gs: segment registers contain the base of the per cpu area. It is then possible to simply use the segment override to relocate a per cpu relative address to the proper per cpu area for @@ -48,22 +80,21 @@ results in a single instruction mov ax, gs:[x] instead of a sequence of calculation of the address and then a fetch -from that address which occurs with the percpu operations. Before +from that address which occurs with the per cpu operations. Before this_cpu_ops such sequence also required preempt disable/enable to prevent the kernel from moving the thread to a different processor while the calculation is performed. -The main use of the this_cpu operations has been to optimize counter -operations. +Consider the following this_cpu operation: this_cpu_inc(x) -results in the following single instruction (no lock prefix!) +The above results in the following single instruction (no lock prefix!) inc gs:[x] instead of the following operations required if there is no segment -register. +register: int *y; int cpu; @@ -73,10 +104,10 @@ register. (*y)++; put_cpu(); -Note that these operations can only be used on percpu data that is +Note that these operations can only be used on per cpu data that is reserved for a specific processor. Without disabling preemption in the surrounding code this_cpu_inc() will only guarantee that one of the -percpu counters is correctly incremented. However, there is no +per cpu counters is correctly incremented. However, there is no guarantee that the OS will not move the process directly before or after the this_cpu instruction is executed. In general this means that the value of the individual counters for each processor are @@ -86,9 +117,9 @@ that is of interest. Per cpu variables are used for performance reasons. Bouncing cache lines can be avoided if multiple processors concurrently go through the same code paths. Since each processor has its own per cpu -variables no concurrent cacheline updates take place. The price that +variables no concurrent cache line updates take place. The price that has to be paid for this optimization is the need to add up the per cpu -counters when the value of the counter is needed. +counters when the value of a counter is needed. Special operations: @@ -100,33 +131,39 @@ Takes the offset of a per cpu variable (&x !) and returns the address of the per cpu variable that belongs to the currently executing processor. this_cpu_ptr avoids multiple steps that the common get_cpu/put_cpu sequence requires. No processor number is -available. Instead the offset of the local per cpu area is simply -added to the percpu offset. +available. Instead, the offset of the local per cpu area is simply +added to the per cpu offset. +Note that this operation is usually used in a code segment when +preemption has been disabled. The pointer is then used to +access local per cpu data in a critical section. When preemption +is re-enabled this pointer is usually no longer useful since it may +no longer point to per cpu data of the current processor. Per cpu variables and offsets ----------------------------- -Per cpu variables have *offsets* to the beginning of the percpu +Per cpu variables have *offsets* to the beginning of the per cpu area. They do not have addresses although they look like that in the code. Offsets cannot be directly dereferenced. The offset must be -added to a base pointer of a percpu area of a processor in order to +added to a base pointer of a per cpu area of a processor in order to form a valid address. Therefore the use of x or &x outside of the context of per cpu operations is invalid and will generally be treated like a NULL pointer dereference. -In the context of per cpu operations + DEFINE_PER_CPU(int, x); - x is a per cpu variable. Most this_cpu operations take a cpu - variable. +In the context of per cpu operations the above implies that x is a per +cpu variable. Most this_cpu operations take a cpu variable. - &x is the *offset* a per cpu variable. this_cpu_ptr() takes - the offset of a per cpu variable which makes this look a bit - strange. + int __percpu *p = &x; +&x and hence p is the *offset* of a per cpu variable. this_cpu_ptr() +takes the offset of a per cpu variable which makes this look a bit +strange. Operations on a field of a per cpu structure @@ -152,7 +189,7 @@ If we have an offset to struct s: struct s __percpu *ps = &p; - z = this_cpu_dec(ps->m); + this_cpu_dec(ps->m); z = this_cpu_inc_return(ps->n); @@ -172,29 +209,52 @@ if we do not make use of this_cpu ops later to manipulate fields: Variants of this_cpu ops ------------------------- -this_cpu ops are interrupt safe. Some architecture do not support +this_cpu ops are interrupt safe. Some architectures do not support these per cpu local operations. In that case the operation must be replaced by code that disables interrupts, then does the operations -that are guaranteed to be atomic and then reenable interrupts. Doing +that are guaranteed to be atomic and then re-enable interrupts. Doing so is expensive. If there are other reasons why the scheduler cannot change the processor we are executing on then there is no reason to -disable interrupts. For that purpose the __this_cpu operations are -provided. For example. - - __this_cpu_inc(x); - -Will increment x and will not fallback to code that disables +disable interrupts. For that purpose the following __this_cpu operations +are provided. + +These operations have no guarantee against concurrent interrupts or +preemption. If a per cpu variable is not used in an interrupt context +and the scheduler cannot preempt, then they are safe. If any interrupts +still occur while an operation is in progress and if the interrupt too +modifies the variable, then RMW actions can not be guaranteed to be +safe. + + __this_cpu_add() + __this_cpu_read(pcp) + __this_cpu_write(pcp, val) + __this_cpu_add(pcp, val) + __this_cpu_and(pcp, val) + __this_cpu_or(pcp, val) + __this_cpu_add_return(pcp, val) + __this_cpu_xchg(pcp, nval) + __this_cpu_cmpxchg(pcp, oval, nval) + __this_cpu_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2) + __this_cpu_sub(pcp, val) + __this_cpu_inc(pcp) + __this_cpu_dec(pcp) + __this_cpu_sub_return(pcp, val) + __this_cpu_inc_return(pcp) + __this_cpu_dec_return(pcp) + + +Will increment x and will not fall-back to code that disables interrupts on platforms that cannot accomplish atomicity through address relocation and a Read-Modify-Write operation in the same instruction. - &this_cpu_ptr(pp)->n vs this_cpu_ptr(&pp->n) -------------------------------------------- The first operation takes the offset and forms an address and then -adds the offset of the n field. +adds the offset of the n field. This may result in two add +instructions emitted by the compiler. The second one first adds the two offsets and then does the relocation. IMHO the second form looks cleaner and has an easier time @@ -202,4 +262,73 @@ with (). The second form also is consistent with the way this_cpu_read() and friends are used. -Christoph Lameter, April 3rd, 2013 +Remote access to per cpu data +------------------------------ + +Per cpu data structures are designed to be used by one cpu exclusively. +If you use the variables as intended, this_cpu_ops() are guaranteed to +be "atomic" as no other CPU has access to these data structures. + +There are special cases where you might need to access per cpu data +structures remotely. It is usually safe to do a remote read access +and that is frequently done to summarize counters. Remote write access +something which could be problematic because this_cpu ops do not +have lock semantics. A remote write may interfere with a this_cpu +RMW operation. + +Remote write accesses to percpu data structures are highly discouraged +unless absolutely necessary. Please consider using an IPI to wake up +the remote CPU and perform the update to its per cpu area. + +To access per-cpu data structure remotely, typically the per_cpu_ptr() +function is used: + + + DEFINE_PER_CPU(struct data, datap); + + struct data *p = per_cpu_ptr(&datap, cpu); + +This makes it explicit that we are getting ready to access a percpu +area remotely. + +You can also do the following to convert the datap offset to an address + + struct data *p = this_cpu_ptr(&datap); + +but, passing of pointers calculated via this_cpu_ptr to other cpus is +unusual and should be avoided. + +Remote access are typically only for reading the status of another cpus +per cpu data. Write accesses can cause unique problems due to the +relaxed synchronization requirements for this_cpu operations. + +One example that illustrates some concerns with write operations is +the following scenario that occurs because two per cpu variables +share a cache-line but the relaxed synchronization is applied to +only one process updating the cache-line. + +Consider the following example + + + struct test { + atomic_t a; + int b; + }; + + DEFINE_PER_CPU(struct test, onecacheline); + +There is some concern about what would happen if the field 'a' is updated +remotely from one processor and the local processor would use this_cpu ops +to update field b. Care should be taken that such simultaneous accesses to +data within the same cache line are avoided. Also costly synchronization +may be necessary. IPIs are generally recommended in such scenarios instead +of a remote write to the per cpu area of another processor. + +Even in cases where the remote writes are rare, please bear in +mind that a remote write will evict the cache line from the processor +that most likely will access it. If the processor wakes up and finds a +missing local cache line of a per cpu area, its performance and hence +the wake up times will be affected. + +Christoph Lameter, August 4th, 2014 +Pranith Kumar, Aug 2nd, 2014 diff --git a/MAINTAINERS b/MAINTAINERS index 1ff06dee651..809ecd680d8 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1279,8 +1279,13 @@ M: Heiko Stuebner <heiko@sntech.de> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) L: linux-rockchip@lists.infradead.org S: Maintained +F: arch/arm/boot/dts/rk3* F: arch/arm/mach-rockchip/ +F: drivers/clk/rockchip/ +F: drivers/i2c/busses/i2c-rk3x.c F: drivers/*/*rockchip* +F: drivers/*/*/*rockchip* +F: sound/soc/rockchip/ ARM/SAMSUNG ARM ARCHITECTURES M: Ben Dooks <ben-linux@fluff.org> @@ -6419,7 +6424,8 @@ F: Documentation/scsi/NinjaSCSI.txt F: drivers/scsi/nsp32* NTB DRIVER -M: Jon Mason <jon.mason@intel.com> +M: Jon Mason <jdmason@kudzu.us> +M: Dave Jiang <dave.jiang@intel.com> S: Supported W: https://github.com/jonmason/ntb/wiki T: git git://github.com/jonmason/ntb.git @@ -7048,7 +7054,7 @@ S: Maintained F: drivers/pinctrl/sh-pfc/ PIN CONTROLLER - SAMSUNG -M: Tomasz Figa <t.figa@samsung.com> +M: Tomasz Figa <tomasz.figa@gmail.com> M: Thomas Abraham <thomas.abraham@linaro.org> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) L: linux-samsung-soc@vger.kernel.org (moderated for non-subscribers) @@ -7894,7 +7900,8 @@ S: Supported F: drivers/media/i2c/s5k5baf.c SAMSUNG SOC CLOCK DRIVERS -M: Tomasz Figa <t.figa@samsung.com> +M: Sylwester Nawrocki <s.nawrocki@samsung.com> +M: Tomasz Figa <tomasz.figa@gmail.com> S: Supported L: linux-samsung-soc@vger.kernel.org (moderated for non-subscribers) F: drivers/clk/samsung/ @@ -7907,6 +7914,19 @@ S: Supported L: netdev@vger.kernel.org F: drivers/net/ethernet/samsung/sxgbe/ +SAMSUNG USB2 PHY DRIVER +M: Kamil Debski <k.debski@samsung.com> +L: linux-kernel@vger.kernel.org +S: Supported +F: Documentation/devicetree/bindings/phy/samsung-phy.txt +F: Documentation/phy/samsung-usb2.txt +F: drivers/phy/phy-exynos4210-usb2.c +F: drivers/phy/phy-exynos4x12-usb2.c +F: drivers/phy/phy-exynos5250-usb2.c +F: drivers/phy/phy-s5pv210-usb2.c +F: drivers/phy/phy-samsung-usb2.c +F: drivers/phy/phy-samsung-usb2.h + SERIAL DRIVERS M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> L: linux-serial@vger.kernel.org @@ -9557,6 +9577,14 @@ S: Maintained F: Documentation/usb/ohci.txt F: drivers/usb/host/ohci* +USB OVER IP DRIVER +M: Valentina Manea <valentina.manea.m@gmail.com> +M: Shuah Khan <shuah.kh@samsung.com> +L: linux-usb@vger.kernel.org +S: Maintained +F: drivers/usb/usbip/ +F: tools/usb/usbip/ + USB PEGASUS DRIVER M: Petko Manolov <petkan@nucleusys.com> L: linux-usb@vger.kernel.org @@ -10057,9 +10085,9 @@ F: Documentation/x86/ F: arch/x86/ X86 PLATFORM DRIVERS -M: Matthew Garrett <matthew.garrett@nebula.com> +M: Darren Hart <dvhart@infradead.org> L: platform-driver-x86@vger.kernel.org -T: git git://cavan.codon.org.uk/platform-drivers-x86.git +T: git git://git.infradead.org/users/dvhart/linux-platform-drivers-x86.git S: Maintained F: drivers/platform/x86/ @@ -1,7 +1,7 @@ VERSION = 3 PATCHLEVEL = 17 SUBLEVEL = 0 -EXTRAVERSION = -rc2 +EXTRAVERSION = -rc5 NAME = Shuffling Zombie Juror # *DOCUMENTATION* diff --git a/arch/alpha/include/asm/io.h b/arch/alpha/include/asm/io.h index 5ebab5895ed..f05bdb4b1cb 100644 --- a/arch/alpha/include/asm/io.h +++ b/arch/alpha/include/asm/io.h @@ -500,10 +500,14 @@ extern inline void writeq(u64 b, volatile void __iomem *addr) #define outb_p outb #define outw_p outw #define outl_p outl -#define readb_relaxed(addr) __raw_readb(addr) -#define readw_relaxed(addr) __raw_readw(addr) -#define readl_relaxed(addr) __raw_readl(addr) -#define readq_relaxed(addr) __raw_readq(addr) +#define readb_relaxed(addr) __raw_readb(addr) +#define readw_relaxed(addr) __raw_readw(addr) +#define readl_relaxed(addr) __raw_readl(addr) +#define readq_relaxed(addr) __raw_readq(addr) +#define writeb_relaxed(b, addr) __raw_writeb(b, addr) +#define writew_relaxed(b, addr) __raw_writew(b, addr) +#define writel_relaxed(b, addr) __raw_writel(b, addr) +#define writeq_relaxed(b, addr) __raw_writeq(b, addr) #define mmiowb() diff --git a/arch/alpha/include/asm/unistd.h b/arch/alpha/include/asm/unistd.h index f2c94402e2c..c509d306db4 100644 --- a/arch/alpha/include/asm/unistd.h +++ b/arch/alpha/include/asm/unistd.h @@ -3,7 +3,7 @@ #include <uapi/asm/unistd.h> -#define NR_SYSCALLS 508 +#define NR_SYSCALLS 511 #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_STAT64 diff --git a/arch/alpha/include/uapi/asm/unistd.h b/arch/alpha/include/uapi/asm/unistd.h index 53ae7bb1bfd..d214a035810 100644 --- a/arch/alpha/include/uapi/asm/unistd.h +++ b/arch/alpha/include/uapi/asm/unistd.h @@ -469,5 +469,8 @@ #define __NR_process_vm_writev 505 #define __NR_kcmp 506 #define __NR_finit_module 507 +#define __NR_sched_setattr 508 +#define __NR_sched_getattr 509 +#define __NR_renameat2 510 #endif /* _UAPI_ALPHA_UNISTD_H */ diff --git a/arch/alpha/kernel/systbls.S b/arch/alpha/kernel/systbls.S index dca9b3fb007..24789713f1e 100644 --- a/arch/alpha/kernel/systbls.S +++ b/arch/alpha/kernel/systbls.S @@ -526,6 +526,9 @@ sys_call_table: .quad sys_process_vm_writev /* 505 */ .quad sys_kcmp .quad sys_finit_module + .quad sys_sched_setattr + .quad sys_sched_getattr + .quad sys_renameat2 /* 510 */ .size sys_call_table, . - sys_call_table .type sys_call_table, @object diff --git a/arch/arc/mm/cache_arc700.c b/arch/arc/mm/cache_arc700.c index 4670afc3b97..9e1142729fd 100644 --- a/arch/arc/mm/cache_arc700.c +++ b/arch/arc/mm/cache_arc700.c @@ -427,7 +427,7 @@ struct ic_inv_args { static void __ic_line_inv_vaddr_helper(void *info) { - struct ic_inv *ic_inv_args = (struct ic_inv_args *) info; + struct ic_inv_args *ic_inv = info; __ic_line_inv_vaddr_local(ic_inv->paddr, ic_inv->vaddr, ic_inv->sz); } @@ -581,6 +581,7 @@ void flush_icache_range(unsigned long kstart, unsigned long kend) tot_sz -= sz; } } +EXPORT_SYMBOL(flush_icache_range); /* * General purpose helper to make I and D cache lines consistent. diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index c49a775937d..32cbbd56590 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1983,8 +1983,6 @@ config XIP_PHYS_ADDR config KEXEC bool "Kexec system call (EXPERIMENTAL)" depends on (!SMP || PM_SLEEP_SMP) - select CRYPTO - select CRYPTO_SHA256 help kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi index 9b3d2ba82f1..8689949bdba 100644 --- a/arch/arm/boot/dts/am4372.dtsi +++ b/arch/arm/boot/dts/am4372.dtsi @@ -804,7 +804,7 @@ usb1: usb@48390000 { compatible = "synopsys,dwc3"; - reg = <0x48390000 0x17000>; + reg = <0x48390000 0x10000>; interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>; phys = <&usb2_phy1>; phy-names = "usb2-phy"; @@ -826,7 +826,7 @@ usb2: usb@483d0000 { compatible = "synopsys,dwc3"; - reg = <0x483d0000 0x17000>; + reg = <0x483d0000 0x10000>; interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>; phys = <&usb2_phy2>; phy-names = "usb2-phy"; diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts index 646a6eade78..e7ac47fa661 100644 --- a/arch/arm/boot/dts/am437x-gp-evm.dts +++ b/arch/arm/boot/dts/am437x-gp-evm.dts @@ -260,7 +260,7 @@ status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&i2c0_pins>; - clock-frequency = <400000>; + clock-frequency = <100000>; tps65218: tps65218@24 { reg = <0x24>; @@ -424,7 +424,7 @@ ranges = <0 0 0 0x01000000>; /* minimum GPMC partition = 16MB */ nand@0,0 { reg = <0 0 4>; /* device IO registers */ - ti,nand-ecc-opt = "bch8"; + ti,nand-ecc-opt = "bch16"; ti,elm-id = <&elm>; nand-bus-width = <8>; gpmc,device-width = <1>; @@ -443,8 +443,6 @@ gpmc,rd-cycle-ns = <40>; gpmc,wr-cycle-ns = <40>; gpmc,wait-pin = <0>; - gpmc,wait-on-read; - gpmc,wait-on-write; gpmc,bus-turnaround-ns = <0>; gpmc,cycle2cycle-delay-ns = <0>; gpmc,clk-activation-ns = <0>; diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts index ed7dd239591..ac3e4859935 100644 --- a/arch/arm/boot/dts/am43x-epos-evm.dts +++ b/arch/arm/boot/dts/am43x-epos-evm.dts @@ -435,13 +435,13 @@ }; &gpmc { - status = "okay"; + status = "okay"; /* Disable QSPI when enabling GPMC (NAND) */ pinctrl-names = "default"; pinctrl-0 = <&nand_flash_x8>; ranges = <0 0 0x08000000 0x10000000>; /* CS0: NAND */ nand@0,0 { reg = <0 0 0>; /* CS0, offset 0 */ - ti,nand-ecc-opt = "bch8"; + ti,nand-ecc-opt = "bch16"; ti,elm-id = <&elm>; nand-bus-width = <8>; gpmc,device-width = <1>; @@ -459,8 +459,7 @@ gpmc,access-ns = <30>; /* tCEA + 4*/ gpmc,rd-cycle-ns = <40>; gpmc,wr-cycle-ns = <40>; - gpmc,wait-on-read = "true"; - gpmc,wait-on-write = "true"; + gpmc,wait-pin = <0>; gpmc,bus-turnaround-ns = <0>; gpmc,cycle2cycle-delay-ns = <0>; gpmc,clk-activation-ns = <0>; @@ -557,7 +556,7 @@ }; &qspi { - status = "okay"; + status = "disabled"; /* Disable GPMC (NAND) when enabling QSPI */ pinctrl-names = "default"; pinctrl-0 = <&qspi1_default>; diff --git a/arch/arm/boot/dts/at91rm9200.dtsi b/arch/arm/boot/dts/at91rm9200.dtsi index 65ccf564b9a..6c97d4af61e 100644 --- a/arch/arm/boot/dts/at91rm9200.dtsi +++ b/arch/arm/boot/dts/at91rm9200.dtsi @@ -149,7 +149,7 @@ usb: usbck { compatible = "atmel,at91rm9200-clk-usb"; #clock-cells = <0>; - atmel,clk-divisors = <1 2>; + atmel,clk-divisors = <1 2 0 0>; clocks = <&pllb>; }; diff --git a/arch/arm/boot/dts/at91sam9g20.dtsi b/arch/arm/boot/dts/at91sam9g20.dtsi index 31f7652612f..4e0abbd9d65 100644 --- a/arch/arm/boot/dts/at91sam9g20.dtsi +++ b/arch/arm/boot/dts/at91sam9g20.dtsi @@ -40,6 +40,7 @@ }; pllb: pllbck { + compatible = "atmel,at91sam9g20-clk-pllb"; atmel,clk-input-range = <2000000 32000000>; atmel,pll-clk-output-ranges = <30000000 100000000 0 0>; }; diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts index 50f8022905a..e03fbf3c688 100644 --- a/arch/arm/boot/dts/dra7-evm.dts +++ b/arch/arm/boot/dts/dra7-evm.dts @@ -8,6 +8,7 @@ /dts-v1/; #include "dra74x.dtsi" +#include <dt-bindings/gpio/gpio.h> / { model = "TI DRA742"; @@ -24,9 +25,29 @@ regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; }; + + vtt_fixed: fixedregulator-vtt { + compatible = "regulator-fixed"; + regulator-name = "vtt_fixed"; + regulator-min-microvolt = <1350000>; + regulator-max-microvolt = <1350000>; + regulator-always-on; + regulator-boot-on; + enable-active-high; + gpio = <&gpio7 11 GPIO_ACTIVE_HIGH>; + }; }; &dra7_pmx_core { + pinctrl-names = "default"; + pinctrl-0 = <&vtt_pin>; + + vtt_pin: pinmux_vtt_pin { + pinctrl-single,pins = < + 0x3b4 (PIN_OUTPUT | MUX_MODE14) /* spi1_cs1.gpio7_11 */ + >; + }; + i2c1_pins: pinmux_i2c1_pins { pinctrl-single,pins = < 0x400 (PIN_INPUT | MUX_MODE0) /* i2c1_sda */ @@ -43,20 +64,19 @@ i2c3_pins: pinmux_i2c3_pins { pinctrl-single,pins = < - 0x410 (PIN_INPUT | MUX_MODE0) /* i2c3_sda */ - 0x414 (PIN_INPUT | MUX_MODE0) /* i2c3_scl */ + 0x288 (PIN_INPUT | MUX_MODE9) /* gpio6_14.i2c3_sda */ + 0x28c (PIN_INPUT | MUX_MODE9) /* gpio6_15.i2c3_scl */ >; }; mcspi1_pins: pinmux_mcspi1_pins { pinctrl-single,pins = < - 0x3a4 (PIN_INPUT | MUX_MODE0) /* spi2_clk */ - 0x3a8 (PIN_INPUT | MUX_MODE0) /* spi2_d1 */ - 0x3ac (PIN_INPUT | MUX_MODE0) /* spi2_d0 */ - 0x3b0 (PIN_INPUT_SLEW | MUX_MODE0) /* spi2_cs0 */ - 0x3b4 (PIN_INPUT_SLEW | MUX_MODE0) /* spi2_cs1 */ - 0x3b8 (PIN_INPUT_SLEW | MUX_MODE6) /* spi2_cs2 */ - 0x3bc (PIN_INPUT_SLEW | MUX_MODE6) /* spi2_cs3 */ + 0x3a4 (PIN_INPUT | MUX_MODE0) /* spi1_sclk */ + 0x3a8 (PIN_INPUT | MUX_MODE0) /* spi1_d1 */ + 0x3ac (PIN_INPUT | MUX_MODE0) /* spi1_d0 */ + 0x3b0 (PIN_INPUT_SLEW | MUX_MODE0) /* spi1_cs0 */ + 0x3b8 (PIN_INPUT_SLEW | MUX_MODE6) /* spi1_cs2.hdmi1_hpd */ + 0x3bc (PIN_INPUT_SLEW | MUX_MODE6) /* spi1_cs3.hdmi1_cec */ >; }; @@ -284,7 +304,7 @@ status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&i2c3_pins>; - clock-frequency = <3400000>; + clock-frequency = <400000>; }; &mcspi1 { @@ -483,7 +503,7 @@ reg = <0x001c0000 0x00020000>; }; partition@7 { - label = "NAND.u-boot-env"; + label = "NAND.u-boot-env.backup1"; reg = <0x001e0000 0x00020000>; }; partition@8 { @@ -504,3 +524,8 @@ &usb2_phy2 { phy-supply = <&ldousb_reg>; }; + +&gpio7 { + ti,no-reset-on-init; + ti,no-idle-on-init; +}; diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index 97f603c4483..d678152db4c 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -245,7 +245,7 @@ gpio-controller; #gpio-cells = <2>; interrupt-controller; - #interrupt-cells = <1>; + #interrupt-cells = <2>; }; gpio2: gpio@48055000 { @@ -256,7 +256,7 @@ gpio-controller; #gpio-cells = <2>; interrupt-controller; - #interrupt-cells = <1>; + #interrupt-cells = <2>; }; gpio3: gpio@48057000 { @@ -267,7 +267,7 @@ gpio-controller; #gpio-cells = <2>; interrupt-controller; - #interrupt-cells = <1>; + #interrupt-cells = <2>; }; gpio4: gpio@48059000 { @@ -278,7 +278,7 @@ gpio-controller; #gpio-cells = <2>; interrupt-controller; - #interrupt-cells = <1>; + #interrupt-cells = <2>; }; gpio5: gpio@4805b000 { @@ -289,7 +289,7 @@ gpio-controller; #gpio-cells = <2>; interrupt-controller; - #interrupt-cells = <1>; + #interrupt-cells = <2>; }; gpio6: gpio@4805d000 { @@ -300,7 +300,7 @@ gpio-controller; #gpio-cells = <2>; interrupt-controller; - #interrupt-cells = <1>; + #interrupt-cells = <2>; }; gpio7: gpio@48051000 { @@ -311,7 +311,7 @@ gpio-controller; #gpio-cells = <2>; interrupt-controller; - #interrupt-cells = <1>; + #interrupt-cells = <2>; }; gpio8: gpio@48053000 { @@ -322,7 +322,7 @@ gpio-controller; #gpio-cells = <2>; interrupt-controller; - #interrupt-cells = <1>; + #interrupt-cells = <2>; }; uart1: serial@4806a000 { diff --git a/arch/arm/boot/dts/imx53-qsrb.dts b/arch/arm/boot/dts/imx53-qsrb.dts index f1bbf9a3299..82d623d0591 100644 --- a/arch/arm/boot/dts/imx53-qsrb.dts +++ b/arch/arm/boot/dts/imx53-qsrb.dts @@ -28,6 +28,12 @@ MX53_PAD_CSI0_DAT9__I2C1_SCL 0x400001ec >; }; + + pinctrl_pmic: pmicgrp { + fsl,pins = < + MX53_PAD_CSI0_DAT5__GPIO5_23 0x1e4 /* IRQ */ + >; + }; }; }; @@ -38,6 +44,8 @@ pmic: mc34708@8 { compatible = "fsl,mc34708"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pmic>; reg = <0x08>; interrupt-parent = <&gpio5>; interrupts = <23 0x8>; diff --git a/arch/arm/boot/dts/imx6dl-hummingboard.dts b/arch/arm/boot/dts/imx6dl-hummingboard.dts index c8e51dd41b8..71598546087 100644 --- a/arch/arm/boot/dts/imx6dl-hummingboard.dts +++ b/arch/arm/boot/dts/imx6dl-hummingboard.dts @@ -58,7 +58,7 @@ sound-spdif { compatible = "fsl,imx-audio-spdif"; - model = "imx-spdif"; + model = "On-board SPDIF"; /* IMX6 doesn't implement this yet */ spdif-controller = <&spdif>; spdif-out; @@ -181,11 +181,13 @@ }; &usbh1 { + disable-over-current; vbus-supply = <®_usbh1_vbus>; status = "okay"; }; &usbotg { + disable-over-current; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_hummingboard_usbotg_id>; vbus-supply = <®_usbotg_vbus>; diff --git a/arch/arm/boot/dts/imx6qdl-cubox-i.dtsi b/arch/arm/boot/dts/imx6qdl-cubox-i.dtsi index e8e781656b3..6a524ca011e 100644 --- a/arch/arm/boot/dts/imx6qdl-cubox-i.dtsi +++ b/arch/arm/boot/dts/imx6qdl-cubox-i.dtsi @@ -61,7 +61,7 @@ sound-spdif { compatible = "fsl,imx-audio-spdif"; - model = "imx-spdif"; + model = "Integrated SPDIF"; /* IMX6 doesn't implement this yet */ spdif-controller = <&spdif>; spdif-out; @@ -130,16 +130,23 @@ fsl,pins = <MX6QDL_PAD_GPIO_17__SPDIF_OUT 0x13091>; }; + pinctrl_cubox_i_usbh1: cubox-i-usbh1 { + fsl,pins = <MX6QDL_PAD_GPIO_3__USB_H1_OC 0x1b0b0>; + }; + pinctrl_cubox_i_usbh1_vbus: cubox-i-usbh1-vbus { fsl,pins = <MX6QDL_PAD_GPIO_0__GPIO1_IO00 0x4001b0b0>; }; - pinctrl_cubox_i_usbotg_id: cubox-i-usbotg-id { + pinctrl_cubox_i_usbotg: cubox-i-usbotg { /* - * The Cubox-i pulls this low, but as it's pointless + * The Cubox-i pulls ID low, but as it's pointless * leaving it as a pull-up, even if it is just 10uA. */ - fsl,pins = <MX6QDL_PAD_GPIO_1__USB_OTG_ID 0x13059>; + fsl,pins = < + MX6QDL_PAD_GPIO_1__USB_OTG_ID 0x13059 + MX6QDL_PAD_KEY_COL4__USB_OTG_OC 0x1b0b0 + >; }; pinctrl_cubox_i_usbotg_vbus: cubox-i-usbotg-vbus { @@ -173,13 +180,15 @@ }; &usbh1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_cubox_i_usbh1>; vbus-supply = <®_usbh1_vbus>; status = "okay"; }; &usbotg { pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_cubox_i_usbotg_id>; + pinctrl-0 = <&pinctrl_cubox_i_usbotg>; vbus-supply = <®_usbotg_vbus>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi b/arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi index d16066608e2..db9f45b2c57 100644 --- a/arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi +++ b/arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi @@ -17,7 +17,7 @@ enet { pinctrl_microsom_enet_ar8035: microsom-enet-ar8035 { fsl,pins = < - MX6QDL_PAD_ENET_MDIO__ENET_MDIO 0x1b0b0 + MX6QDL_PAD_ENET_MDIO__ENET_MDIO 0x1b8b0 MX6QDL_PAD_ENET_MDC__ENET_MDC 0x1b0b0 /* AR8035 reset */ MX6QDL_PAD_KEY_ROW4__GPIO4_IO15 0x130b0 diff --git a/arch/arm/boot/dts/omap3-beagle.dts b/arch/arm/boot/dts/omap3-beagle.dts index 3c3e6da1dea..a9aae88b74f 100644 --- a/arch/arm/boot/dts/omap3-beagle.dts +++ b/arch/arm/boot/dts/omap3-beagle.dts @@ -292,6 +292,7 @@ &uart3 { pinctrl-names = "default"; pinctrl-0 = <&uart3_pins>; + interrupts-extended = <&intc 74 &omap3_pmx_core OMAP3_UART3_RX>; }; &gpio1 { diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts index b15f1a77d68..4361777a08d 100644 --- a/arch/arm/boot/dts/omap3-n900.dts +++ b/arch/arm/boot/dts/omap3-n900.dts @@ -93,7 +93,7 @@ }; tv: connector { - compatible = "composite-connector"; + compatible = "composite-video-connector"; label = "tv"; port { @@ -353,7 +353,7 @@ }; twl_power: power { - compatible = "ti,twl4030-power-n900"; + compatible = "ti,twl4030-power-n900", "ti,twl4030-power-idle-osc-off"; ti,use_poweroff; }; }; diff --git a/arch/arm/boot/dts/omap3430-sdp.dts b/arch/arm/boot/dts/omap3430-sdp.dts index 02f69f4a8fd..9bad94efe1c 100644 --- a/arch/arm/boot/dts/omap3430-sdp.dts +++ b/arch/arm/boot/dts/omap3430-sdp.dts @@ -107,7 +107,7 @@ #address-cells = <1>; #size-cells = <1>; reg = <1 0 0x08000000>; - ti,nand-ecc-opt = "ham1"; + ti,nand-ecc-opt = "sw"; nand-bus-width = <8>; gpmc,cs-on-ns = <0>; gpmc,cs-rd-off-ns = <36>; diff --git a/arch/arm/boot/dts/omap3xxx-clocks.dtsi b/arch/arm/boot/dts/omap3xxx-clocks.dtsi index e47ff69dcf7..5c375003bad 100644 --- a/arch/arm/boot/dts/omap3xxx-clocks.dtsi +++ b/arch/arm/boot/dts/omap3xxx-clocks.dtsi @@ -467,6 +467,7 @@ ti,bit-shift = <0x1e>; reg = <0x0d00>; ti,set-bit-to-disable; + ti,set-rate-parent; }; dpll4_m6_ck: dpll4_m6_ck { diff --git a/arch/arm/boot/dts/omap54xx-clocks.dtsi b/arch/arm/boot/dts/omap54xx-clocks.dtsi index e67a23b5d78..58c27466f01 100644 --- a/arch/arm/boot/dts/omap54xx-clocks.dtsi +++ b/arch/arm/boot/dts/omap54xx-clocks.dtsi @@ -367,10 +367,12 @@ l3_iclk_div: l3_iclk_div { #clock-cells = <0>; - compatible = "fixed-factor-clock"; + compatible = "ti,divider-clock"; + ti,max-div = <2>; + ti,bit-shift = <4>; + reg = <0x100>; clocks = <&dpll_core_h12x2_ck>; - clock-mult = <1>; - clock-div = <1>; + ti,index-power-of-two; }; gpu_l3_iclk: gpu_l3_iclk { @@ -383,10 +385,12 @@ l4_root_clk_div: l4_root_clk_div { #clock-cells = <0>; - compatible = "fixed-factor-clock"; + compatible = "ti,divider-clock"; + ti,max-div = <2>; + ti,bit-shift = <8>; + reg = <0x100>; clocks = <&l3_iclk_div>; - clock-mult = <1>; - clock-div = <1>; + ti,index-power-of-two; }; slimbus1_slimbus_clk: slimbus1_slimbus_clk { diff --git a/arch/arm/boot/dts/ste-snowball.dts b/arch/arm/boot/dts/ste-snowball.dts index 4a2000c620a..3e97a669f15 100644 --- a/arch/arm/boot/dts/ste-snowball.dts +++ b/arch/arm/boot/dts/ste-snowball.dts @@ -116,7 +116,6 @@ msp2: msp@80117000 { pinctrl-names = "default"; pinctrl-0 = <&msp2_default_mode>; - status = "okay"; }; msp3: msp@80125000 { diff --git a/arch/arm/boot/dts/twl6030.dtsi b/arch/arm/boot/dts/twl6030.dtsi index 2e3bd3172b2..55eb35f068f 100644 --- a/arch/arm/boot/dts/twl6030.dtsi +++ b/arch/arm/boot/dts/twl6030.dtsi @@ -83,10 +83,6 @@ regulator-always-on; }; - clk32kg: regulator-clk32kg { - compatible = "ti,twl6030-clk32kg"; - }; - twl_usb_comparator: usb-comparator { compatible = "ti,twl6030-usb"; interrupts = <4>, <10>; diff --git a/arch/arm/common/edma.c b/arch/arm/common/edma.c index 88099175fc5..d86771abbf5 100644 --- a/arch/arm/common/edma.c +++ b/arch/arm/common/edma.c @@ -1443,14 +1443,14 @@ void edma_assign_channel_eventq(unsigned channel, enum dma_event_q eventq_no) EXPORT_SYMBOL(edma_assign_channel_eventq); static int edma_setup_from_hw(struct device *dev, struct edma_soc_info *pdata, - struct edma *edma_cc) + struct edma *edma_cc, int cc_id) { int i; u32 value, cccfg; s8 (*queue_priority_map)[2]; /* Decode the eDMA3 configuration from CCCFG register */ - cccfg = edma_read(0, EDMA_CCCFG); + cccfg = edma_read(cc_id, EDMA_CCCFG); value = GET_NUM_REGN(cccfg); edma_cc->num_region = BIT(value); @@ -1464,7 +1464,8 @@ static int edma_setup_from_hw(struct device *dev, struct edma_soc_info *pdata, value = GET_NUM_EVQUE(cccfg); edma_cc->num_tc = value + 1; - dev_dbg(dev, "eDMA3 HW configuration (cccfg: 0x%08x):\n", cccfg); + dev_dbg(dev, "eDMA3 CC%d HW configuration (cccfg: 0x%08x):\n", cc_id, + cccfg); dev_dbg(dev, "num_region: %u\n", edma_cc->num_region); dev_dbg(dev, "num_channel: %u\n", edma_cc->num_channels); dev_dbg(dev, "num_slot: %u\n", edma_cc->num_slots); @@ -1684,7 +1685,7 @@ static int edma_probe(struct platform_device *pdev) return -ENOMEM; /* Get eDMA3 configuration from IP */ - ret = edma_setup_from_hw(dev, info[j], edma_cc[j]); + ret = edma_setup_from_hw(dev, info[j], edma_cc[j], j); if (ret) return ret; diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h index fd43f7f55b7..79ecb4f34ff 100644 --- a/arch/arm/include/asm/cacheflush.h +++ b/arch/arm/include/asm/cacheflush.h @@ -472,7 +472,6 @@ static inline void __sync_cache_range_r(volatile void *p, size_t size) "mcr p15, 0, r0, c1, c0, 0 @ set SCTLR \n\t" \ "isb \n\t" \ "bl v7_flush_dcache_"__stringify(level)" \n\t" \ - "clrex \n\t" \ "mrc p15, 0, r0, c1, c0, 1 @ get ACTLR \n\t" \ "bic r0, r0, #(1 << 6) @ disable local coherency \n\t" \ "mcr p15, 0, r0, c1, c0, 1 @ set ACTLR \n\t" \ diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h index 963a2515906..819777d0e91 100644 --- a/arch/arm/include/asm/cputype.h +++ b/arch/arm/include/asm/cputype.h @@ -74,6 +74,7 @@ #define ARM_CPU_PART_CORTEX_A12 0x4100c0d0 #define ARM_CPU_PART_CORTEX_A17 0x4100c0e0 #define ARM_CPU_PART_CORTEX_A15 0x4100c0f0 +#define ARM_CPU_PART_MASK 0xff00fff0 #define ARM_CPU_XSCALE_ARCH_MASK 0xe000 #define ARM_CPU_XSCALE_ARCH_V1 0x2000 @@ -179,7 +180,7 @@ static inline unsigned int __attribute_const__ read_cpuid_implementor(void) */ static inline unsigned int __attribute_const__ read_cpuid_part(void) { - return read_cpuid_id() & 0xff00fff0; + return read_cpuid_id() & ARM_CPU_PART_MASK; } static inline unsigned int __attribute_const__ __deprecated read_cpuid_part_number(void) diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h index f4b46d39b9c..afb9cafd378 100644 --- a/arch/arm/include/asm/elf.h +++ b/arch/arm/include/asm/elf.h @@ -50,6 +50,7 @@ typedef struct user_fp elf_fpregset_t; #define R_ARM_ABS32 2 #define R_ARM_CALL 28 #define R_ARM_JUMP24 29 +#define R_ARM_TARGET1 38 #define R_ARM_V4BX 40 #define R_ARM_PREL31 42 #define R_ARM_MOVW_ABS_NC 43 diff --git a/arch/arm/include/asm/smp_plat.h b/arch/arm/include/asm/smp_plat.h index a252c0bfacf..0ad7d490ee6 100644 --- a/arch/arm/include/asm/smp_plat.h +++ b/arch/arm/include/asm/smp_plat.h @@ -8,6 +8,7 @@ #include <linux/cpumask.h> #include <linux/err.h> +#include <asm/cpu.h> #include <asm/cputype.h> /* @@ -25,6 +26,20 @@ static inline bool is_smp(void) #endif } +/** + * smp_cpuid_part() - return part id for a given cpu + * @cpu: logical cpu id. + * + * Return: part id of logical cpu passed as argument. + */ +static inline unsigned int smp_cpuid_part(int cpu) +{ + struct cpuinfo_arm *cpu_info = &per_cpu(cpu_data, cpu); + + return is_smp() ? cpu_info->cpuid & ARM_CPU_PART_MASK : + read_cpuid_part(); +} + /* all SMP configurations have the extended CPUID registers */ #ifndef CONFIG_MMU #define tlb_ops_need_broadcast() 0 diff --git a/arch/arm/include/asm/xen/page-coherent.h b/arch/arm/include/asm/xen/page-coherent.h index 1109017499e..e8275ea88e8 100644 --- a/arch/arm/include/asm/xen/page-coherent.h +++ b/arch/arm/include/asm/xen/page-coherent.h @@ -26,25 +26,14 @@ static inline void xen_dma_map_page(struct device *hwdev, struct page *page, __generic_dma_ops(hwdev)->map_page(hwdev, page, offset, size, dir, attrs); } -static inline void xen_dma_unmap_page(struct device *hwdev, dma_addr_t handle, +void xen_dma_unmap_page(struct device *hwdev, dma_addr_t handle, size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs) -{ - if (__generic_dma_ops(hwdev)->unmap_page) - __generic_dma_ops(hwdev)->unmap_page(hwdev, handle, size, dir, attrs); -} + struct dma_attrs *attrs); -static inline void xen_dma_sync_single_for_cpu(struct device *hwdev, - dma_addr_t handle, size_t size, enum dma_data_direction dir) -{ - if (__generic_dma_ops(hwdev)->sync_single_for_cpu) - __generic_dma_ops(hwdev)->sync_single_for_cpu(hwdev, handle, size, dir); -} +void xen_dma_sync_single_for_cpu(struct device *hwdev, + dma_addr_t handle, size_t size, enum dma_data_direction dir); + +void xen_dma_sync_single_for_device(struct device *hwdev, + dma_addr_t handle, size_t size, enum dma_data_direction dir); -static inline void xen_dma_sync_single_for_device(struct device *hwdev, - dma_addr_t handle, size_t size, enum dma_data_direction dir) -{ - if (__generic_dma_ops(hwdev)->sync_single_for_device) - __generic_dma_ops(hwdev)->sync_single_for_device(hwdev, handle, size, dir); -} #endif /* _ASM_ARM_XEN_PAGE_COHERENT_H */ diff --git a/arch/arm/include/asm/xen/page.h b/arch/arm/include/asm/xen/page.h index ded062f9b35..135c24a5ba2 100644 --- a/arch/arm/include/asm/xen/page.h +++ b/arch/arm/include/asm/xen/page.h @@ -33,7 +33,6 @@ typedef struct xpaddr { #define INVALID_P2M_ENTRY (~0UL) unsigned long __pfn_to_mfn(unsigned long pfn); -unsigned long __mfn_to_pfn(unsigned long mfn); extern struct rb_root phys_to_mach; static inline unsigned long pfn_to_mfn(unsigned long pfn) @@ -51,14 +50,6 @@ static inline unsigned long pfn_to_mfn(unsigned long pfn) static inline unsigned long mfn_to_pfn(unsigned long mfn) { - unsigned long pfn; - - if (phys_to_mach.rb_node != NULL) { - pfn = __mfn_to_pfn(mfn); - if (pfn != INVALID_P2M_ENTRY) - return pfn; - } - return mfn; } diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S index 8db307d0954..2fdf8679b46 100644 --- a/arch/arm/kernel/entry-header.S +++ b/arch/arm/kernel/entry-header.S @@ -208,26 +208,21 @@ #endif .endif msr spsr_cxsf, \rpsr -#if defined(CONFIG_CPU_V6) - ldr r0, [sp] - strex r1, r2, [sp] @ clear the exclusive monitor - ldmib sp, {r1 - pc}^ @ load r1 - pc, cpsr -#elif defined(CONFIG_CPU_32v6K) - clrex @ clear the exclusive monitor - ldmia sp, {r0 - pc}^ @ load r0 - pc, cpsr -#else - ldmia sp, {r0 - pc}^ @ load r0 - pc, cpsr +#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_32v6K) + @ We must avoid clrex due to Cortex-A15 erratum #830321 + sub r0, sp, #4 @ uninhabited address + strex r1, r2, [r0] @ clear the exclusive monitor #endif + ldmia sp, {r0 - pc}^ @ load r0 - pc, cpsr .endm .macro restore_user_regs, fast = 0, offset = 0 ldr r1, [sp, #\offset + S_PSR] @ get calling cpsr ldr lr, [sp, #\offset + S_PC]! @ get pc msr spsr_cxsf, r1 @ save in spsr_svc -#if defined(CONFIG_CPU_V6) +#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_32v6K) + @ We must avoid clrex due to Cortex-A15 erratum #830321 strex r1, r2, [sp] @ clear the exclusive monitor -#elif defined(CONFIG_CPU_32v6K) - clrex @ clear the exclusive monitor #endif .if \fast ldmdb sp, {r1 - lr}^ @ get calling r1 - lr @@ -261,7 +256,10 @@ .endif ldr lr, [sp, #S_SP] @ top of the stack ldrd r0, r1, [sp, #S_LR] @ calling lr and pc - clrex @ clear the exclusive monitor + + @ We must avoid clrex due to Cortex-A15 erratum #830321 + strex r2, r1, [sp, #S_LR] @ clear the exclusive monitor + stmdb lr!, {r0, r1, \rpsr} @ calling lr and rfe context ldmia sp, {r0 - r12} mov sp, lr @@ -282,13 +280,16 @@ .endm #else /* ifdef CONFIG_CPU_V7M */ .macro restore_user_regs, fast = 0, offset = 0 - clrex @ clear the exclusive monitor mov r2, sp load_user_sp_lr r2, r3, \offset + S_SP @ calling sp, lr ldr r1, [sp, #\offset + S_PSR] @ get calling cpsr ldr lr, [sp, #\offset + S_PC] @ get pc add sp, sp, #\offset + S_SP msr spsr_cxsf, r1 @ save in spsr_svc + + @ We must avoid clrex due to Cortex-A15 erratum #830321 + strex r1, r2, [sp] @ clear the exclusive monitor + .if \fast ldmdb sp, {r1 - r12} @ get calling r1 - r12 .else diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index 45e47815727..6a4dffefd35 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -91,6 +91,7 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex, break; case R_ARM_ABS32: + case R_ARM_TARGET1: *(u32 *)loc += sym->st_value; break; diff --git a/arch/arm/kvm/handle_exit.c b/arch/arm/kvm/handle_exit.c index 4c979d466cc..a96a8043277 100644 --- a/arch/arm/kvm/handle_exit.c +++ b/arch/arm/kvm/handle_exit.c @@ -93,6 +93,8 @@ static int kvm_handle_wfx(struct kvm_vcpu *vcpu, struct kvm_run *run) else kvm_vcpu_block(vcpu); + kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu)); + return 1; } diff --git a/arch/arm/kvm/init.S b/arch/arm/kvm/init.S index 991415d978b..3988e72d16f 100644 --- a/arch/arm/kvm/init.S +++ b/arch/arm/kvm/init.S @@ -99,6 +99,10 @@ __do_hyp_init: mrc p15, 0, r0, c10, c2, 1 mcr p15, 4, r0, c10, c2, 1 + @ Invalidate the stale TLBs from Bootloader + mcr p15, 4, r0, c8, c7, 0 @ TLBIALLH + dsb ish + @ Set the HSCTLR to: @ - ARM/THUMB exceptions: Kernel config (Thumb-2 kernel) @ - Endianness: Kernel config diff --git a/arch/arm/mach-at91/board-dt-rm9200.c b/arch/arm/mach-at91/board-dt-rm9200.c index 3a185faee79..f4b6e91843e 100644 --- a/arch/arm/mach-at91/board-dt-rm9200.c +++ b/arch/arm/mach-at91/board-dt-rm9200.c @@ -14,6 +14,7 @@ #include <linux/gpio.h> #include <linux/of.h> #include <linux/of_irq.h> +#include <linux/clk-provider.h> #include <asm/setup.h> #include <asm/irq.h> @@ -35,13 +36,21 @@ static void __init at91rm9200_dt_init_irq(void) of_irq_init(irq_of_match); } +static void __init at91rm9200_dt_timer_init(void) +{ +#if defined(CONFIG_COMMON_CLK) + of_clk_init(NULL); +#endif + at91rm9200_timer_init(); +} + static const char *at91rm9200_dt_board_compat[] __initdata = { "atmel,at91rm9200", NULL }; DT_MACHINE_START(at91rm9200_dt, "Atmel AT91RM9200 (Device Tree)") - .init_time = at91rm9200_timer_init, + .init_time = at91rm9200_dt_timer_init, .map_io = at91_map_io, .handle_irq = at91_aic_handle_irq, .init_early = at91rm9200_dt_initialize, diff --git a/arch/arm/mach-bcm/Makefile b/arch/arm/mach-bcm/Makefile index 67c492aabf4..b19a3965254 100644 --- a/arch/arm/mach-bcm/Makefile +++ b/arch/arm/mach-bcm/Makefile @@ -36,5 +36,4 @@ obj-$(CONFIG_ARCH_BCM_5301X) += bcm_5301x.o ifeq ($(CONFIG_ARCH_BRCMSTB),y) obj-y += brcmstb.o -obj-$(CONFIG_SMP) += headsmp-brcmstb.o platsmp-brcmstb.o endif diff --git a/arch/arm/mach-bcm/brcmstb.h b/arch/arm/mach-bcm/brcmstb.h deleted file mode 100644 index ec0c3d112b3..00000000000 --- a/arch/arm/mach-bcm/brcmstb.h +++ /dev/null @@ -1,19 +0,0 @@ -/* - * Copyright (C) 2013-2014 Broadcom Corporation - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#ifndef __BRCMSTB_H__ -#define __BRCMSTB_H__ - -void brcmstb_secondary_startup(void); - -#endif /* __BRCMSTB_H__ */ diff --git a/arch/arm/mach-bcm/headsmp-brcmstb.S b/arch/arm/mach-bcm/headsmp-brcmstb.S deleted file mode 100644 index 199c1ea5824..00000000000 --- a/arch/arm/mach-bcm/headsmp-brcmstb.S +++ /dev/null @@ -1,33 +0,0 @@ -/* - * SMP boot code for secondary CPUs - * Based on arch/arm/mach-tegra/headsmp.S - * - * Copyright (C) 2010 NVIDIA, Inc. - * Copyright (C) 2013-2014 Broadcom Corporation - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <asm/assembler.h> -#include <linux/linkage.h> -#include <linux/init.h> - - .section ".text.head", "ax" - -ENTRY(brcmstb_secondary_startup) - /* - * Ensure CPU is in a sane state by disabling all IRQs and switching - * into SVC mode. - */ - setmode PSR_I_BIT | PSR_F_BIT | SVC_MODE, r0 - - bl v7_invalidate_l1 - b secondary_startup -ENDPROC(brcmstb_secondary_startup) diff --git a/arch/arm/mach-bcm/platsmp-brcmstb.c b/arch/arm/mach-bcm/platsmp-brcmstb.c deleted file mode 100644 index af780e9c23a..00000000000 --- a/arch/arm/mach-bcm/platsmp-brcmstb.c +++ /dev/null @@ -1,363 +0,0 @@ -/* - * Broadcom STB CPU SMP and hotplug support for ARM - * - * Copyright (C) 2013-2014 Broadcom Corporation - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/delay.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/io.h> -#include <linux/of_address.h> -#include <linux/of_platform.h> -#include <linux/printk.h> -#include <linux/regmap.h> -#include <linux/smp.h> -#include <linux/mfd/syscon.h> -#include <linux/spinlock.h> - -#include <asm/cacheflush.h> -#include <asm/cp15.h> -#include <asm/mach-types.h> -#include <asm/smp_plat.h> - -#include "brcmstb.h" - -enum { - ZONE_MAN_CLKEN_MASK = BIT(0), - ZONE_MAN_RESET_CNTL_MASK = BIT(1), - ZONE_MAN_MEM_PWR_MASK = BIT(4), - ZONE_RESERVED_1_MASK = BIT(5), - ZONE_MAN_ISO_CNTL_MASK = BIT(6), - ZONE_MANUAL_CONTROL_MASK = BIT(7), - ZONE_PWR_DN_REQ_MASK = BIT(9), - ZONE_PWR_UP_REQ_MASK = BIT(10), - ZONE_BLK_RST_ASSERT_MASK = BIT(12), - ZONE_PWR_OFF_STATE_MASK = BIT(25), - ZONE_PWR_ON_STATE_MASK = BIT(26), - ZONE_DPG_PWR_STATE_MASK = BIT(28), - ZONE_MEM_PWR_STATE_MASK = BIT(29), - ZONE_RESET_STATE_MASK = BIT(31), - CPU0_PWR_ZONE_CTRL_REG = 1, - CPU_RESET_CONFIG_REG = 2, -}; - -static void __iomem *cpubiuctrl_block; -static void __iomem *hif_cont_block; -static u32 cpu0_pwr_zone_ctrl_reg; -static u32 cpu_rst_cfg_reg; -static u32 hif_cont_reg; - -#ifdef CONFIG_HOTPLUG_CPU -static DEFINE_PER_CPU_ALIGNED(int, per_cpu_sw_state); - -static int per_cpu_sw_state_rd(u32 cpu) -{ - sync_cache_r(SHIFT_PERCPU_PTR(&per_cpu_sw_state, per_cpu_offset(cpu))); - return per_cpu(per_cpu_sw_state, cpu); -} - -static void per_cpu_sw_state_wr(u32 cpu, int val) -{ - per_cpu(per_cpu_sw_state, cpu) = val; - dmb(); - sync_cache_w(SHIFT_PERCPU_PTR(&per_cpu_sw_state, per_cpu_offset(cpu))); - dsb_sev(); -} -#else -static inline void per_cpu_sw_state_wr(u32 cpu, int val) { } -#endif - -static void __iomem *pwr_ctrl_get_base(u32 cpu) -{ - void __iomem *base = cpubiuctrl_block + cpu0_pwr_zone_ctrl_reg; - base += (cpu_logical_map(cpu) * 4); - return base; -} - -static u32 pwr_ctrl_rd(u32 cpu) -{ - void __iomem *base = pwr_ctrl_get_base(cpu); - return readl_relaxed(base); -} - -static void pwr_ctrl_wr(u32 cpu, u32 val) -{ - void __iomem *base = pwr_ctrl_get_base(cpu); - writel(val, base); -} - -static void cpu_rst_cfg_set(u32 cpu, int set) -{ - u32 val; - val = readl_relaxed(cpubiuctrl_block + cpu_rst_cfg_reg); - if (set) - val |= BIT(cpu_logical_map(cpu)); - else - val &= ~BIT(cpu_logical_map(cpu)); - writel_relaxed(val, cpubiuctrl_block + cpu_rst_cfg_reg); -} - -static void cpu_set_boot_addr(u32 cpu, unsigned long boot_addr) -{ - const int reg_ofs = cpu_logical_map(cpu) * 8; - writel_relaxed(0, hif_cont_block + hif_cont_reg + reg_ofs); - writel_relaxed(boot_addr, hif_cont_block + hif_cont_reg + 4 + reg_ofs); -} - -static void brcmstb_cpu_boot(u32 cpu) -{ - pr_info("SMP: Booting CPU%d...\n", cpu); - - /* - * set the reset vector to point to the secondary_startup - * routine - */ - cpu_set_boot_addr(cpu, virt_to_phys(brcmstb_secondary_startup)); - - /* unhalt the cpu */ - cpu_rst_cfg_set(cpu, 0); -} - -static void brcmstb_cpu_power_on(u32 cpu) -{ - /* - * The secondary cores power was cut, so we must go through - * power-on initialization. - */ - u32 tmp; - - pr_info("SMP: Powering up CPU%d...\n", cpu); - - /* Request zone power up */ - pwr_ctrl_wr(cpu, ZONE_PWR_UP_REQ_MASK); - - /* Wait for the power up FSM to complete */ - do { - tmp = pwr_ctrl_rd(cpu); - } while (!(tmp & ZONE_PWR_ON_STATE_MASK)); - - per_cpu_sw_state_wr(cpu, 1); -} - -static int brcmstb_cpu_get_power_state(u32 cpu) -{ - int tmp = pwr_ctrl_rd(cpu); - return (tmp & ZONE_RESET_STATE_MASK) ? 0 : 1; -} - -#ifdef CONFIG_HOTPLUG_CPU - -static void brcmstb_cpu_die(u32 cpu) -{ - v7_exit_coherency_flush(all); - - /* Prevent all interrupts from reaching this CPU. */ - arch_local_irq_disable(); - - /* - * Final full barrier to ensure everything before this instruction has - * quiesced. - */ - isb(); - dsb(); - - per_cpu_sw_state_wr(cpu, 0); - - /* Sit and wait to die */ - wfi(); - - /* We should never get here... */ - panic("Spurious interrupt on CPU %d received!\n", cpu); -} - -static int brcmstb_cpu_kill(u32 cpu) -{ - u32 tmp; - - pr_info("SMP: Powering down CPU%d...\n", cpu); - - while (per_cpu_sw_state_rd(cpu)) - ; - - /* Program zone reset */ - pwr_ctrl_wr(cpu, ZONE_RESET_STATE_MASK | ZONE_BLK_RST_ASSERT_MASK | - ZONE_PWR_DN_REQ_MASK); - - /* Verify zone reset */ - tmp = pwr_ctrl_rd(cpu); - if (!(tmp & ZONE_RESET_STATE_MASK)) - pr_err("%s: Zone reset bit for CPU %d not asserted!\n", - __func__, cpu); - - /* Wait for power down */ - do { - tmp = pwr_ctrl_rd(cpu); - } while (!(tmp & ZONE_PWR_OFF_STATE_MASK)); - - /* Settle-time from Broadcom-internal DVT reference code */ - udelay(7); - - /* Assert reset on the CPU */ - cpu_rst_cfg_set(cpu, 1); - - return 1; -} - -#endif /* CONFIG_HOTPLUG_CPU */ - -static int __init setup_hifcpubiuctrl_regs(struct device_node *np) -{ - int rc = 0; - char *name; - struct device_node *syscon_np = NULL; - - name = "syscon-cpu"; - - syscon_np = of_parse_phandle(np, name, 0); - if (!syscon_np) { - pr_err("can't find phandle %s\n", name); - rc = -EINVAL; - goto cleanup; - } - - cpubiuctrl_block = of_iomap(syscon_np, 0); - if (!cpubiuctrl_block) { - pr_err("iomap failed for cpubiuctrl_block\n"); - rc = -EINVAL; - goto cleanup; - } - - rc = of_property_read_u32_index(np, name, CPU0_PWR_ZONE_CTRL_REG, - &cpu0_pwr_zone_ctrl_reg); - if (rc) { - pr_err("failed to read 1st entry from %s property (%d)\n", name, - rc); - rc = -EINVAL; - goto cleanup; - } - - rc = of_property_read_u32_index(np, name, CPU_RESET_CONFIG_REG, - &cpu_rst_cfg_reg); - if (rc) { - pr_err("failed to read 2nd entry from %s property (%d)\n", name, - rc); - rc = -EINVAL; - goto cleanup; - } - -cleanup: - if (syscon_np) - of_node_put(syscon_np); - - return rc; -} - -static int __init setup_hifcont_regs(struct device_node *np) -{ - int rc = 0; - char *name; - struct device_node *syscon_np = NULL; - - name = "syscon-cont"; - - syscon_np = of_parse_phandle(np, name, 0); - if (!syscon_np) { - pr_err("can't find phandle %s\n", name); - rc = -EINVAL; - goto cleanup; - } - - hif_cont_block = of_iomap(syscon_np, 0); - if (!hif_cont_block) { - pr_err("iomap failed for hif_cont_block\n"); - rc = -EINVAL; - goto cleanup; - } - - /* offset is at top of hif_cont_block */ - hif_cont_reg = 0; - -cleanup: - if (syscon_np) - of_node_put(syscon_np); - - return rc; -} - -static void __init brcmstb_cpu_ctrl_setup(unsigned int max_cpus) -{ - int rc; - struct device_node *np; - char *name; - - name = "brcm,brcmstb-smpboot"; - np = of_find_compatible_node(NULL, NULL, name); - if (!np) { - pr_err("can't find compatible node %s\n", name); - return; - } - - rc = setup_hifcpubiuctrl_regs(np); - if (rc) - return; - - rc = setup_hifcont_regs(np); - if (rc) - return; -} - -static DEFINE_SPINLOCK(boot_lock); - -static void brcmstb_secondary_init(unsigned int cpu) -{ - /* - * Synchronise with the boot thread. - */ - spin_lock(&boot_lock); - spin_unlock(&boot_lock); -} - -static int brcmstb_boot_secondary(unsigned int cpu, struct task_struct *idle) -{ - /* - * set synchronisation state between this boot processor - * and the secondary one - */ - spin_lock(&boot_lock); - - /* Bring up power to the core if necessary */ - if (brcmstb_cpu_get_power_state(cpu) == 0) - brcmstb_cpu_power_on(cpu); - - brcmstb_cpu_boot(cpu); - - /* - * now the secondary core is starting up let it run its - * calibrations, then wait for it to finish - */ - spin_unlock(&boot_lock); - - return 0; -} - -static struct smp_operations brcmstb_smp_ops __initdata = { - .smp_prepare_cpus = brcmstb_cpu_ctrl_setup, - .smp_secondary_init = brcmstb_secondary_init, - .smp_boot_secondary = brcmstb_boot_secondary, -#ifdef CONFIG_HOTPLUG_CPU - .cpu_kill = brcmstb_cpu_kill, - .cpu_die = brcmstb_cpu_die, -#endif -}; - -CPU_METHOD_OF_DECLARE(brcmstb_smp, "brcm,brahma-b15", &brcmstb_smp_ops); diff --git a/arch/arm/mach-exynos/mcpm-exynos.c b/arch/arm/mach-exynos/mcpm-exynos.c index b2f8b60cf0e..dc9a764a7c3 100644 --- a/arch/arm/mach-exynos/mcpm-exynos.c +++ b/arch/arm/mach-exynos/mcpm-exynos.c @@ -43,7 +43,6 @@ "mcr p15, 0, r0, c1, c0, 0 @ set SCTLR\n\t" \ "isb\n\t"\ "bl v7_flush_dcache_"__stringify(level)"\n\t" \ - "clrex\n\t"\ "mrc p15, 0, r0, c1, c0, 1 @ get ACTLR\n\t" \ "bic r0, r0, #(1 << 6) @ disable local coherency\n\t" \ /* Dummy Load of a device register to avoid Erratum 799270 */ \ diff --git a/arch/arm/mach-omap2/board-flash.c b/arch/arm/mach-omap2/board-flash.c index e87f2a83d6b..2d245c2e641 100644 --- a/arch/arm/mach-omap2/board-flash.c +++ b/arch/arm/mach-omap2/board-flash.c @@ -142,7 +142,7 @@ __init board_nand_init(struct mtd_partition *nand_parts, u8 nr_parts, u8 cs, board_nand_data.nr_parts = nr_parts; board_nand_data.devsize = nand_type; - board_nand_data.ecc_opt = OMAP_ECC_HAM1_CODE_HW; + board_nand_data.ecc_opt = OMAP_ECC_HAM1_CODE_SW; gpmc_nand_init(&board_nand_data, gpmc_t); } #endif /* CONFIG_MTD_NAND_OMAP2 || CONFIG_MTD_NAND_OMAP2_MODULE */ diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c index 8897ad7035f..cb7764314f1 100644 --- a/arch/arm/mach-omap2/gpmc-nand.c +++ b/arch/arm/mach-omap2/gpmc-nand.c @@ -49,7 +49,8 @@ static bool gpmc_hwecc_bch_capable(enum omap_ecc ecc_opt) return 0; /* legacy platforms support only HAM1 (1-bit Hamming) ECC scheme */ - if (ecc_opt == OMAP_ECC_HAM1_CODE_HW) + if (ecc_opt == OMAP_ECC_HAM1_CODE_HW || + ecc_opt == OMAP_ECC_HAM1_CODE_SW) return 1; else return 0; diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index 8bc13380f0a..2f97228f188 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -1207,8 +1207,7 @@ int gpmc_cs_program_settings(int cs, struct gpmc_settings *p) } } - if ((p->wait_on_read || p->wait_on_write) && - (p->wait_pin > gpmc_nr_waitpins)) { + if (p->wait_pin > gpmc_nr_waitpins) { pr_err("%s: invalid wait-pin (%d)\n", __func__, p->wait_pin); return -EINVAL; } @@ -1288,8 +1287,8 @@ void gpmc_read_settings_dt(struct device_node *np, struct gpmc_settings *p) p->wait_on_write = of_property_read_bool(np, "gpmc,wait-on-write"); if (!p->wait_on_read && !p->wait_on_write) - pr_warn("%s: read/write wait monitoring not enabled!\n", - __func__); + pr_debug("%s: rd/wr wait monitoring not enabled!\n", + __func__); } } @@ -1403,8 +1402,11 @@ static int gpmc_probe_nand_child(struct platform_device *pdev, pr_err("%s: ti,nand-ecc-opt not found\n", __func__); return -ENODEV; } - if (!strcmp(s, "ham1") || !strcmp(s, "sw") || - !strcmp(s, "hw") || !strcmp(s, "hw-romcode")) + + if (!strcmp(s, "sw")) + gpmc_nand_data->ecc_opt = OMAP_ECC_HAM1_CODE_SW; + else if (!strcmp(s, "ham1") || + !strcmp(s, "hw") || !strcmp(s, "hw-romcode")) gpmc_nand_data->ecc_opt = OMAP_ECC_HAM1_CODE_HW; else if (!strcmp(s, "bch4")) diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index d42022f2a71..53841dea80e 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -663,7 +663,7 @@ void __init dra7xxx_check_revision(void) default: /* Unknown default to latest silicon rev as default*/ - pr_warn("%s: unknown idcode=0x%08x (hawkeye=0x%08x,rev=0x%d)\n", + pr_warn("%s: unknown idcode=0x%08x (hawkeye=0x%08x,rev=0x%x)\n", __func__, idcode, hawkeye, rev); omap_revision = DRA752_REV_ES1_1; } diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c index 01ef59def44..d22c30d3ccf 100644 --- a/arch/arm/mach-omap2/omap_device.c +++ b/arch/arm/mach-omap2/omap_device.c @@ -56,7 +56,7 @@ static void _add_clkdev(struct omap_device *od, const char *clk_alias, r = clk_get_sys(dev_name(&od->pdev->dev), clk_alias); if (!IS_ERR(r)) { - dev_warn(&od->pdev->dev, + dev_dbg(&od->pdev->dev, "alias %s already exists\n", clk_alias); clk_put(r); return; diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 6c074f37cdd..8fd87a3055b 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -2185,6 +2185,8 @@ static int _enable(struct omap_hwmod *oh) oh->mux->pads_dynamic))) { omap_hwmod_mux(oh->mux, _HWMOD_STATE_ENABLED); _reconfigure_io_chain(); + } else if (oh->flags & HWMOD_FORCE_MSTANDBY) { + _reconfigure_io_chain(); } _add_initiator_dep(oh, mpu_oh); @@ -2291,6 +2293,8 @@ static int _idle(struct omap_hwmod *oh) if (oh->mux && oh->mux->pads_dynamic) { omap_hwmod_mux(oh->mux, _HWMOD_STATE_IDLE); _reconfigure_io_chain(); + } else if (oh->flags & HWMOD_FORCE_MSTANDBY) { + _reconfigure_io_chain(); } oh->_state = _HWMOD_STATE_IDLE; @@ -3345,6 +3349,9 @@ int __init omap_hwmod_register_links(struct omap_hwmod_ocp_if **ois) if (!ois) return 0; + if (ois[0] == NULL) /* Empty list */ + return 0; + if (!linkspace) { if (_alloc_linkspace(ois)) { pr_err("omap_hwmod: could not allocate link space\n"); diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c index 2757abf87fb..5684f112654 100644 --- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c @@ -35,6 +35,7 @@ #include "i2c.h" #include "mmc.h" #include "wd_timer.h" +#include "soc.h" /* Base offset for all DRA7XX interrupts external to MPUSS */ #define DRA7XX_IRQ_GIC_START 32 @@ -3261,7 +3262,6 @@ static struct omap_hwmod_ocp_if *dra7xx_hwmod_ocp_ifs[] __initdata = { &dra7xx_l4_per3__usb_otg_ss1, &dra7xx_l4_per3__usb_otg_ss2, &dra7xx_l4_per3__usb_otg_ss3, - &dra7xx_l4_per3__usb_otg_ss4, &dra7xx_l3_main_1__vcp1, &dra7xx_l4_per2__vcp1, &dra7xx_l3_main_1__vcp2, @@ -3270,8 +3270,26 @@ static struct omap_hwmod_ocp_if *dra7xx_hwmod_ocp_ifs[] __initdata = { NULL, }; +static struct omap_hwmod_ocp_if *dra74x_hwmod_ocp_ifs[] __initdata = { + &dra7xx_l4_per3__usb_otg_ss4, + NULL, +}; + +static struct omap_hwmod_ocp_if *dra72x_hwmod_ocp_ifs[] __initdata = { + NULL, +}; + int __init dra7xx_hwmod_init(void) { + int ret; + omap_hwmod_init(); - return omap_hwmod_register_links(dra7xx_hwmod_ocp_ifs); + ret = omap_hwmod_register_links(dra7xx_hwmod_ocp_ifs); + + if (!ret && soc_is_dra74x()) + return omap_hwmod_register_links(dra74x_hwmod_ocp_ifs); + else if (!ret && soc_is_dra72x()) + return omap_hwmod_register_links(dra72x_hwmod_ocp_ifs); + + return ret; } diff --git a/arch/arm/mach-omap2/soc.h b/arch/arm/mach-omap2/soc.h index 01ca8086fb6..4376f59626d 100644 --- a/arch/arm/mach-omap2/soc.h +++ b/arch/arm/mach-omap2/soc.h @@ -245,6 +245,8 @@ IS_AM_SUBCLASS(437x, 0x437) #define soc_is_omap54xx() 0 #define soc_is_omap543x() 0 #define soc_is_dra7xx() 0 +#define soc_is_dra74x() 0 +#define soc_is_dra72x() 0 #if defined(MULTI_OMAP2) # if defined(CONFIG_ARCH_OMAP2) @@ -393,7 +395,11 @@ IS_OMAP_TYPE(3430, 0x3430) #if defined(CONFIG_SOC_DRA7XX) #undef soc_is_dra7xx +#undef soc_is_dra74x +#undef soc_is_dra72x #define soc_is_dra7xx() (of_machine_is_compatible("ti,dra7")) +#define soc_is_dra74x() (of_machine_is_compatible("ti,dra74")) +#define soc_is_dra72x() (of_machine_is_compatible("ti,dra72")) #endif /* Various silicon revisions for omap2 */ diff --git a/arch/arm/mach-shmobile/clock-r8a7790.c b/arch/arm/mach-shmobile/clock-r8a7790.c index 17435c1aa2f..126ddafad52 100644 --- a/arch/arm/mach-shmobile/clock-r8a7790.c +++ b/arch/arm/mach-shmobile/clock-r8a7790.c @@ -183,8 +183,8 @@ enum { static struct clk div4_clks[DIV4_NR] = { [DIV4_SDH] = SH_CLK_DIV4(&pll1_clk, SDCKCR, 8, 0x0dff, CLK_ENABLE_ON_INIT), - [DIV4_SD0] = SH_CLK_DIV4(&pll1_clk, SDCKCR, 4, 0x1de0, CLK_ENABLE_ON_INIT), - [DIV4_SD1] = SH_CLK_DIV4(&pll1_clk, SDCKCR, 0, 0x1de0, CLK_ENABLE_ON_INIT), + [DIV4_SD0] = SH_CLK_DIV4(&pll1_clk, SDCKCR, 4, 0x1df0, CLK_ENABLE_ON_INIT), + [DIV4_SD1] = SH_CLK_DIV4(&pll1_clk, SDCKCR, 0, 0x1df0, CLK_ENABLE_ON_INIT), }; /* DIV6 clocks */ diff --git a/arch/arm/mach-shmobile/clock-r8a7791.c b/arch/arm/mach-shmobile/clock-r8a7791.c index 10e193d707f..453b23129cf 100644 --- a/arch/arm/mach-shmobile/clock-r8a7791.c +++ b/arch/arm/mach-shmobile/clock-r8a7791.c @@ -152,7 +152,7 @@ enum { static struct clk div4_clks[DIV4_NR] = { [DIV4_SDH] = SH_CLK_DIV4(&pll1_clk, SDCKCR, 8, 0x0dff, CLK_ENABLE_ON_INIT), - [DIV4_SD0] = SH_CLK_DIV4(&pll1_clk, SDCKCR, 4, 0x1de0, CLK_ENABLE_ON_INIT), + [DIV4_SD0] = SH_CLK_DIV4(&pll1_clk, SDCKCR, 4, 0x1df0, CLK_ENABLE_ON_INIT), }; /* DIV6 clocks */ diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c index d8c4048b9e3..02a6f45a0b9 100644 --- a/arch/arm/mach-shmobile/clock-sh73a0.c +++ b/arch/arm/mach-shmobile/clock-sh73a0.c @@ -644,7 +644,7 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */ CLKDEV_DEV_ID("e6cb0000.serial", &mstp_clks[MSTP207]), /* SCIFA5 */ CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP206]), /* SCIFB */ - CLKDEV_DEV_ID("0xe6c3000.serial", &mstp_clks[MSTP206]), /* SCIFB */ + CLKDEV_DEV_ID("e6c3000.serial", &mstp_clks[MSTP206]), /* SCIFB */ CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */ CLKDEV_DEV_ID("e6c40000.serial", &mstp_clks[MSTP204]), /* SCIFA0 */ CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]), /* SCIFA1 */ diff --git a/arch/arm/mach-vexpress/spc.c b/arch/arm/mach-vexpress/spc.c index 2c2754e79cb..f61158c6ce7 100644 --- a/arch/arm/mach-vexpress/spc.c +++ b/arch/arm/mach-vexpress/spc.c @@ -426,9 +426,15 @@ static int ve_spc_populate_opps(uint32_t cluster) static int ve_init_opp_table(struct device *cpu_dev) { - int cluster = topology_physical_package_id(cpu_dev->id); - int idx, ret = 0, max_opp = info->num_opps[cluster]; - struct ve_spc_opp *opps = info->opps[cluster]; + int cluster; + int idx, ret = 0, max_opp; + struct ve_spc_opp *opps; + + cluster = topology_physical_package_id(cpu_dev->id); + cluster = cluster < 0 ? 0 : cluster; + + max_opp = info->num_opps[cluster]; + opps = info->opps[cluster]; for (idx = 0; idx < max_opp; idx++, opps++) { ret = dev_pm_opp_add(cpu_dev, opps->freq * 1000, opps->u_volt); @@ -537,6 +543,8 @@ static struct clk *ve_spc_clk_register(struct device *cpu_dev) spc->hw.init = &init; spc->cluster = topology_physical_package_id(cpu_dev->id); + spc->cluster = spc->cluster < 0 ? 0 : spc->cluster; + init.name = dev_name(cpu_dev); init.ops = &clk_spc_ops; init.flags = CLK_IS_ROOT | CLK_GET_RATE_NOCACHE; diff --git a/arch/arm/mm/abort-ev6.S b/arch/arm/mm/abort-ev6.S index 3815a8262af..8c48c5c22a3 100644 --- a/arch/arm/mm/abort-ev6.S +++ b/arch/arm/mm/abort-ev6.S @@ -17,12 +17,6 @@ */ .align 5 ENTRY(v6_early_abort) -#ifdef CONFIG_CPU_V6 - sub r1, sp, #4 @ Get unused stack location - strex r0, r1, [r1] @ Clear the exclusive monitor -#elif defined(CONFIG_CPU_32v6K) - clrex -#endif mrc p15, 0, r1, c5, c0, 0 @ get FSR mrc p15, 0, r0, c6, c0, 0 @ get FAR /* diff --git a/arch/arm/mm/abort-ev7.S b/arch/arm/mm/abort-ev7.S index 703375277ba..4812ad05421 100644 --- a/arch/arm/mm/abort-ev7.S +++ b/arch/arm/mm/abort-ev7.S @@ -13,12 +13,6 @@ */ .align 5 ENTRY(v7_early_abort) - /* - * The effect of data aborts on on the exclusive access monitor are - * UNPREDICTABLE. Do a CLREX to clear the state - */ - clrex - mrc p15, 0, r1, c5, c0, 0 @ get FSR mrc p15, 0, r0, c6, c0, 0 @ get FAR diff --git a/arch/arm/xen/Makefile b/arch/arm/xen/Makefile index 12969523414..1f85bfe6b47 100644 --- a/arch/arm/xen/Makefile +++ b/arch/arm/xen/Makefile @@ -1 +1 @@ -obj-y := enlighten.o hypercall.o grant-table.o p2m.o mm.o +obj-y := enlighten.o hypercall.o grant-table.o p2m.o mm.o mm32.o diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c index 98544c5f86e..0e15f011f9c 100644 --- a/arch/arm/xen/enlighten.c +++ b/arch/arm/xen/enlighten.c @@ -260,6 +260,12 @@ static int __init xen_guest_init(void) xen_domain_type = XEN_HVM_DOMAIN; xen_setup_features(); + + if (!xen_feature(XENFEAT_grant_map_identity)) { + pr_warn("Please upgrade your Xen.\n" + "If your platform has any non-coherent DMA devices, they won't work properly.\n"); + } + if (xen_feature(XENFEAT_dom0)) xen_start_info->flags |= SIF_INITDOMAIN|SIF_PRIVILEGED; else diff --git a/arch/arm/xen/mm32.c b/arch/arm/xen/mm32.c new file mode 100644 index 00000000000..3b99860fd7a --- /dev/null +++ b/arch/arm/xen/mm32.c @@ -0,0 +1,202 @@ +#include <linux/cpu.h> +#include <linux/dma-mapping.h> +#include <linux/gfp.h> +#include <linux/highmem.h> + +#include <xen/features.h> + +static DEFINE_PER_CPU(unsigned long, xen_mm32_scratch_virt); +static DEFINE_PER_CPU(pte_t *, xen_mm32_scratch_ptep); + +static int alloc_xen_mm32_scratch_page(int cpu) +{ + struct page *page; + unsigned long virt; + pmd_t *pmdp; + pte_t *ptep; + + if (per_cpu(xen_mm32_scratch_ptep, cpu) != NULL) + return 0; + + page = alloc_page(GFP_KERNEL); + if (page == NULL) { + pr_warn("Failed to allocate xen_mm32_scratch_page for cpu %d\n", cpu); + return -ENOMEM; + } + + virt = (unsigned long)__va(page_to_phys(page)); + pmdp = pmd_offset(pud_offset(pgd_offset_k(virt), virt), virt); + ptep = pte_offset_kernel(pmdp, virt); + + per_cpu(xen_mm32_scratch_virt, cpu) = virt; + per_cpu(xen_mm32_scratch_ptep, cpu) = ptep; + + return 0; +} + +static int xen_mm32_cpu_notify(struct notifier_block *self, + unsigned long action, void *hcpu) +{ + int cpu = (long)hcpu; + switch (action) { + case CPU_UP_PREPARE: + if (alloc_xen_mm32_scratch_page(cpu)) + return NOTIFY_BAD; + break; + default: + break; + } + return NOTIFY_OK; +} + +static struct notifier_block xen_mm32_cpu_notifier = { + .notifier_call = xen_mm32_cpu_notify, +}; + +static void* xen_mm32_remap_page(dma_addr_t handle) +{ + unsigned long virt = get_cpu_var(xen_mm32_scratch_virt); + pte_t *ptep = __get_cpu_var(xen_mm32_scratch_ptep); + + *ptep = pfn_pte(handle >> PAGE_SHIFT, PAGE_KERNEL); + local_flush_tlb_kernel_page(virt); + + return (void*)virt; +} + +static void xen_mm32_unmap(void *vaddr) +{ + put_cpu_var(xen_mm32_scratch_virt); +} + + +/* functions called by SWIOTLB */ + +static void dma_cache_maint(dma_addr_t handle, unsigned long offset, + size_t size, enum dma_data_direction dir, + void (*op)(const void *, size_t, int)) +{ + unsigned long pfn; + size_t left = size; + + pfn = (handle >> PAGE_SHIFT) + offset / PAGE_SIZE; + offset %= PAGE_SIZE; + + do { + size_t len = left; + void *vaddr; + + if (!pfn_valid(pfn)) + { + /* Cannot map the page, we don't know its physical address. + * Return and hope for the best */ + if (!xen_feature(XENFEAT_grant_map_identity)) + return; + vaddr = xen_mm32_remap_page(handle) + offset; + op(vaddr, len, dir); + xen_mm32_unmap(vaddr - offset); + } else { + struct page *page = pfn_to_page(pfn); + + if (PageHighMem(page)) { + if (len + offset > PAGE_SIZE) + len = PAGE_SIZE - offset; + + if (cache_is_vipt_nonaliasing()) { + vaddr = kmap_atomic(page); + op(vaddr + offset, len, dir); + kunmap_atomic(vaddr); + } else { + vaddr = kmap_high_get(page); + if (vaddr) { + op(vaddr + offset, len, dir); + kunmap_high(page); + } + } + } else { + vaddr = page_address(page) + offset; + op(vaddr, len, dir); + } + } + + offset = 0; + pfn++; + left -= len; + } while (left); +} + +static void __xen_dma_page_dev_to_cpu(struct device *hwdev, dma_addr_t handle, + size_t size, enum dma_data_direction dir) +{ + /* Cannot use __dma_page_dev_to_cpu because we don't have a + * struct page for handle */ + + if (dir != DMA_TO_DEVICE) + outer_inv_range(handle, handle + size); + + dma_cache_maint(handle & PAGE_MASK, handle & ~PAGE_MASK, size, dir, dmac_unmap_area); +} + +static void __xen_dma_page_cpu_to_dev(struct device *hwdev, dma_addr_t handle, + size_t size, enum dma_data_direction dir) +{ + + dma_cache_maint(handle & PAGE_MASK, handle & ~PAGE_MASK, size, dir, dmac_map_area); + + if (dir == DMA_FROM_DEVICE) { + outer_inv_range(handle, handle + size); + } else { + outer_clean_range(handle, handle + size); + } +} + +void xen_dma_unmap_page(struct device *hwdev, dma_addr_t handle, + size_t size, enum dma_data_direction dir, + struct dma_attrs *attrs) + +{ + if (!__generic_dma_ops(hwdev)->unmap_page) + return; + if (dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) + return; + + __xen_dma_page_dev_to_cpu(hwdev, handle, size, dir); +} + +void xen_dma_sync_single_for_cpu(struct device *hwdev, + dma_addr_t handle, size_t size, enum dma_data_direction dir) +{ + if (!__generic_dma_ops(hwdev)->sync_single_for_cpu) + return; + __xen_dma_page_dev_to_cpu(hwdev, handle, size, dir); +} + +void xen_dma_sync_single_for_device(struct device *hwdev, + dma_addr_t handle, size_t size, enum dma_data_direction dir) +{ + if (!__generic_dma_ops(hwdev)->sync_single_for_device) + return; + __xen_dma_page_cpu_to_dev(hwdev, handle, size, dir); +} + +int __init xen_mm32_init(void) +{ + int cpu; + + if (!xen_initial_domain()) + return 0; + + register_cpu_notifier(&xen_mm32_cpu_notifier); + get_online_cpus(); + for_each_online_cpu(cpu) { + if (alloc_xen_mm32_scratch_page(cpu)) { + put_online_cpus(); + unregister_cpu_notifier(&xen_mm32_cpu_notifier); + return -ENOMEM; + } + } + put_online_cpus(); + + return 0; +} +arch_initcall(xen_mm32_init); diff --git a/arch/arm/xen/p2m.c b/arch/arm/xen/p2m.c index 97baf442781..05485777625 100644 --- a/arch/arm/xen/p2m.c +++ b/arch/arm/xen/p2m.c @@ -21,14 +21,12 @@ struct xen_p2m_entry { unsigned long pfn; unsigned long mfn; unsigned long nr_pages; - struct rb_node rbnode_mach; struct rb_node rbnode_phys; }; static rwlock_t p2m_lock; struct rb_root phys_to_mach = RB_ROOT; EXPORT_SYMBOL_GPL(phys_to_mach); -static struct rb_root mach_to_phys = RB_ROOT; static int xen_add_phys_to_mach_entry(struct xen_p2m_entry *new) { @@ -41,8 +39,6 @@ static int xen_add_phys_to_mach_entry(struct xen_p2m_entry *new) parent = *link; entry = rb_entry(parent, struct xen_p2m_entry, rbnode_phys); - if (new->mfn == entry->mfn) - goto err_out; if (new->pfn == entry->pfn) goto err_out; @@ -88,64 +84,6 @@ unsigned long __pfn_to_mfn(unsigned long pfn) } EXPORT_SYMBOL_GPL(__pfn_to_mfn); -static int xen_add_mach_to_phys_entry(struct xen_p2m_entry *new) -{ - struct rb_node **link = &mach_to_phys.rb_node; - struct rb_node *parent = NULL; - struct xen_p2m_entry *entry; - int rc = 0; - - while (*link) { - parent = *link; - entry = rb_entry(parent, struct xen_p2m_entry, rbnode_mach); - - if (new->mfn == entry->mfn) - goto err_out; - if (new->pfn == entry->pfn) - goto err_out; - - if (new->mfn < entry->mfn) - link = &(*link)->rb_left; - else - link = &(*link)->rb_right; - } - rb_link_node(&new->rbnode_mach, parent, link); - rb_insert_color(&new->rbnode_mach, &mach_to_phys); - goto out; - -err_out: - rc = -EINVAL; - pr_warn("%s: cannot add pfn=%pa -> mfn=%pa: pfn=%pa -> mfn=%pa already exists\n", - __func__, &new->pfn, &new->mfn, &entry->pfn, &entry->mfn); -out: - return rc; -} - -unsigned long __mfn_to_pfn(unsigned long mfn) -{ - struct rb_node *n = mach_to_phys.rb_node; - struct xen_p2m_entry *entry; - unsigned long irqflags; - - read_lock_irqsave(&p2m_lock, irqflags); - while (n) { - entry = rb_entry(n, struct xen_p2m_entry, rbnode_mach); - if (entry->mfn <= mfn && - entry->mfn + entry->nr_pages > mfn) { - read_unlock_irqrestore(&p2m_lock, irqflags); - return entry->pfn + (mfn - entry->mfn); - } - if (mfn < entry->mfn) - n = n->rb_left; - else - n = n->rb_right; - } - read_unlock_irqrestore(&p2m_lock, irqflags); - - return INVALID_P2M_ENTRY; -} -EXPORT_SYMBOL_GPL(__mfn_to_pfn); - int set_foreign_p2m_mapping(struct gnttab_map_grant_ref *map_ops, struct gnttab_map_grant_ref *kmap_ops, struct page **pages, unsigned int count) @@ -192,7 +130,6 @@ bool __set_phys_to_machine_multi(unsigned long pfn, p2m_entry = rb_entry(n, struct xen_p2m_entry, rbnode_phys); if (p2m_entry->pfn <= pfn && p2m_entry->pfn + p2m_entry->nr_pages > pfn) { - rb_erase(&p2m_entry->rbnode_mach, &mach_to_phys); rb_erase(&p2m_entry->rbnode_phys, &phys_to_mach); write_unlock_irqrestore(&p2m_lock, irqflags); kfree(p2m_entry); @@ -217,8 +154,7 @@ bool __set_phys_to_machine_multi(unsigned long pfn, p2m_entry->mfn = mfn; write_lock_irqsave(&p2m_lock, irqflags); - if ((rc = xen_add_phys_to_mach_entry(p2m_entry) < 0) || - (rc = xen_add_mach_to_phys_entry(p2m_entry) < 0)) { + if ((rc = xen_add_phys_to_mach_entry(p2m_entry)) < 0) { write_unlock_irqrestore(&p2m_lock, irqflags); return false; } diff --git a/arch/arm64/crypto/sha2-ce-glue.c b/arch/arm64/crypto/sha2-ce-glue.c index c294e67d392..ae67e88c28b 100644 --- a/arch/arm64/crypto/sha2-ce-glue.c +++ b/arch/arm64/crypto/sha2-ce-glue.c @@ -150,7 +150,6 @@ static void sha2_finup(struct shash_desc *desc, const u8 *data, kernel_neon_begin_partial(28); sha2_ce_transform(blocks, data, sctx->state, NULL, len); kernel_neon_end(); - data += blocks * SHA256_BLOCK_SIZE; } static int sha224_finup(struct shash_desc *desc, const u8 *data, diff --git a/arch/arm64/include/asm/hw_breakpoint.h b/arch/arm64/include/asm/hw_breakpoint.h index d064047612b..52b484b6aa1 100644 --- a/arch/arm64/include/asm/hw_breakpoint.h +++ b/arch/arm64/include/asm/hw_breakpoint.h @@ -79,7 +79,6 @@ static inline void decode_ctrl_reg(u32 reg, */ #define ARM_MAX_BRP 16 #define ARM_MAX_WRP 16 -#define ARM_MAX_HBP_SLOTS (ARM_MAX_BRP + ARM_MAX_WRP) /* Virtual debug register bases. */ #define AARCH64_DBG_REG_BVR 0 diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h index 3df21feeabd..286b1bec547 100644 --- a/arch/arm64/include/asm/processor.h +++ b/arch/arm64/include/asm/processor.h @@ -139,7 +139,7 @@ extern struct task_struct *cpu_switch_to(struct task_struct *prev, ((struct pt_regs *)(THREAD_START_SP + task_stack_page(p)) - 1) #define KSTK_EIP(tsk) ((unsigned long)task_pt_regs(tsk)->pc) -#define KSTK_ESP(tsk) ((unsigned long)task_pt_regs(tsk)->sp) +#define KSTK_ESP(tsk) user_stack_pointer(task_pt_regs(tsk)) /* * Prefetching support diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h index 501000fadb6..41ed9e13795 100644 --- a/arch/arm64/include/asm/ptrace.h +++ b/arch/arm64/include/asm/ptrace.h @@ -137,7 +137,7 @@ struct pt_regs { (!((regs)->pstate & PSR_F_BIT)) #define user_stack_pointer(regs) \ - (!compat_user_mode(regs)) ? ((regs)->sp) : ((regs)->compat_sp) + (!compat_user_mode(regs) ? (regs)->sp : (regs)->compat_sp) static inline unsigned long regs_return_value(struct pt_regs *regs) { diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c index ad8aebb1cde..3dca15634e6 100644 --- a/arch/arm64/kernel/fpsimd.c +++ b/arch/arm64/kernel/fpsimd.c @@ -270,6 +270,7 @@ static int fpsimd_cpu_pm_notifier(struct notifier_block *self, case CPU_PM_ENTER: if (current->mm && !test_thread_flag(TIF_FOREIGN_FPSTATE)) fpsimd_save_state(¤t->thread.fpsimd_state); + this_cpu_write(fpsimd_last_state, NULL); break; case CPU_PM_EXIT: if (current->mm) diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S index bed028364a9..87306905622 100644 --- a/arch/arm64/kernel/head.S +++ b/arch/arm64/kernel/head.S @@ -373,10 +373,6 @@ ENTRY(__boot_cpu_mode) .long 0 .popsection - .align 3 -2: .quad . - .quad PAGE_OFFSET - #ifdef CONFIG_SMP .align 3 1: .quad . diff --git a/arch/arm64/kernel/irq.c b/arch/arm64/kernel/irq.c index 0f08dfd69eb..dfa6e3e74fd 100644 --- a/arch/arm64/kernel/irq.c +++ b/arch/arm64/kernel/irq.c @@ -97,19 +97,15 @@ static bool migrate_one_irq(struct irq_desc *desc) if (irqd_is_per_cpu(d) || !cpumask_test_cpu(smp_processor_id(), affinity)) return false; - if (cpumask_any_and(affinity, cpu_online_mask) >= nr_cpu_ids) + if (cpumask_any_and(affinity, cpu_online_mask) >= nr_cpu_ids) { + affinity = cpu_online_mask; ret = true; + } - /* - * when using forced irq_set_affinity we must ensure that the cpu - * being offlined is not present in the affinity mask, it may be - * selected as the target CPU otherwise - */ - affinity = cpu_online_mask; c = irq_data_get_irq_chip(d); if (!c->irq_set_affinity) pr_debug("IRQ%u: unable to set affinity\n", d->irq); - else if (c->irq_set_affinity(d, affinity, true) == IRQ_SET_MASK_OK && ret) + else if (c->irq_set_affinity(d, affinity, false) == IRQ_SET_MASK_OK && ret) cpumask_copy(d->affinity, affinity); return ret; diff --git a/arch/arm64/kernel/perf_regs.c b/arch/arm64/kernel/perf_regs.c index 422ebd63b61..6762ad70558 100644 --- a/arch/arm64/kernel/perf_regs.c +++ b/arch/arm64/kernel/perf_regs.c @@ -24,6 +24,12 @@ u64 perf_reg_value(struct pt_regs *regs, int idx) return regs->compat_lr; } + if ((u32)idx == PERF_REG_ARM64_SP) + return regs->sp; + + if ((u32)idx == PERF_REG_ARM64_PC) + return regs->pc; + return regs->regs[idx]; } diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c index 1309d64aa92..29d48690f2a 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -230,9 +230,27 @@ void exit_thread(void) { } +static void tls_thread_flush(void) +{ + asm ("msr tpidr_el0, xzr"); + + if (is_compat_task()) { + current->thread.tp_value = 0; + + /* + * We need to ensure ordering between the shadow state and the + * hardware state, so that we don't corrupt the hardware state + * with a stale shadow state during context switch. + */ + barrier(); + asm ("msr tpidrro_el0, xzr"); + } +} + void flush_thread(void) { fpsimd_flush_thread(); + tls_thread_flush(); flush_ptrace_hw_breakpoint(current); } diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c index 70526cfda05..fe63ac5e9bf 100644 --- a/arch/arm64/kernel/ptrace.c +++ b/arch/arm64/kernel/ptrace.c @@ -87,7 +87,8 @@ static void ptrace_hbptriggered(struct perf_event *bp, break; } } - for (i = ARM_MAX_BRP; i < ARM_MAX_HBP_SLOTS && !bp; ++i) { + + for (i = 0; i < ARM_MAX_WRP; ++i) { if (current->thread.debug.hbp_watch[i] == bp) { info.si_errno = -((i << 1) + 1); break; @@ -662,8 +663,10 @@ static int compat_gpr_get(struct task_struct *target, kbuf += sizeof(reg); } else { ret = copy_to_user(ubuf, ®, sizeof(reg)); - if (ret) + if (ret) { + ret = -EFAULT; break; + } ubuf += sizeof(reg); } @@ -701,8 +704,10 @@ static int compat_gpr_set(struct task_struct *target, kbuf += sizeof(reg); } else { ret = copy_from_user(®, ubuf, sizeof(reg)); - if (ret) - return ret; + if (ret) { + ret = -EFAULT; + break; + } ubuf += sizeof(reg); } diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index f6f0ccf35ae..edb146d0185 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -78,6 +78,7 @@ unsigned int compat_elf_hwcap2 __read_mostly; #endif static const char *cpu_name; +static const char *machine_name; phys_addr_t __fdt_pointer __initdata; /* @@ -309,6 +310,8 @@ static void __init setup_machine_fdt(phys_addr_t dt_phys) while (true) cpu_relax(); } + + machine_name = of_flat_dt_get_machine_name(); } /* @@ -447,21 +450,10 @@ static int c_show(struct seq_file *m, void *v) { int i; - /* - * Dump out the common processor features in a single line. Userspace - * should read the hwcaps with getauxval(AT_HWCAP) rather than - * attempting to parse this. - */ - seq_puts(m, "features\t:"); - for (i = 0; hwcap_str[i]; i++) - if (elf_hwcap & (1 << i)) - seq_printf(m, " %s", hwcap_str[i]); - seq_puts(m, "\n\n"); + seq_printf(m, "Processor\t: %s rev %d (%s)\n", + cpu_name, read_cpuid_id() & 15, ELF_PLATFORM); for_each_online_cpu(i) { - struct cpuinfo_arm64 *cpuinfo = &per_cpu(cpu_data, i); - u32 midr = cpuinfo->reg_midr; - /* * glibc reads /proc/cpuinfo to determine the number of * online processors, looking for lines beginning with @@ -470,13 +462,25 @@ static int c_show(struct seq_file *m, void *v) #ifdef CONFIG_SMP seq_printf(m, "processor\t: %d\n", i); #endif - seq_printf(m, "implementer\t: 0x%02x\n", - MIDR_IMPLEMENTOR(midr)); - seq_printf(m, "variant\t\t: 0x%x\n", MIDR_VARIANT(midr)); - seq_printf(m, "partnum\t\t: 0x%03x\n", MIDR_PARTNUM(midr)); - seq_printf(m, "revision\t: 0x%x\n\n", MIDR_REVISION(midr)); } + /* dump out the processor features */ + seq_puts(m, "Features\t: "); + + for (i = 0; hwcap_str[i]; i++) + if (elf_hwcap & (1 << i)) + seq_printf(m, "%s ", hwcap_str[i]); + + seq_printf(m, "\nCPU implementer\t: 0x%02x\n", read_cpuid_id() >> 24); + seq_printf(m, "CPU architecture: AArch64\n"); + seq_printf(m, "CPU variant\t: 0x%x\n", (read_cpuid_id() >> 20) & 15); + seq_printf(m, "CPU part\t: 0x%03x\n", (read_cpuid_id() >> 4) & 0xfff); + seq_printf(m, "CPU revision\t: %d\n", read_cpuid_id() & 15); + + seq_puts(m, "\n"); + + seq_printf(m, "Hardware\t: %s\n", machine_name); + return 0; } diff --git a/arch/arm64/kernel/sys_compat.c b/arch/arm64/kernel/sys_compat.c index de2b0226e06..dc47e53e9e2 100644 --- a/arch/arm64/kernel/sys_compat.c +++ b/arch/arm64/kernel/sys_compat.c @@ -79,6 +79,12 @@ long compat_arm_syscall(struct pt_regs *regs) case __ARM_NR_compat_set_tls: current->thread.tp_value = regs->regs[0]; + + /* + * Protect against register corruption from context switch. + * See comment in tls_thread_flush. + */ + barrier(); asm ("msr tpidrro_el0, %0" : : "r" (regs->regs[0])); return 0; diff --git a/arch/arm64/kvm/handle_exit.c b/arch/arm64/kvm/handle_exit.c index e28be510380..34b8bd0711e 100644 --- a/arch/arm64/kvm/handle_exit.c +++ b/arch/arm64/kvm/handle_exit.c @@ -66,6 +66,8 @@ static int kvm_handle_wfx(struct kvm_vcpu *vcpu, struct kvm_run *run) else kvm_vcpu_block(vcpu); + kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu)); + return 1; } diff --git a/arch/arm64/kvm/hyp-init.S b/arch/arm64/kvm/hyp-init.S index d968796f4b2..c3191168a99 100644 --- a/arch/arm64/kvm/hyp-init.S +++ b/arch/arm64/kvm/hyp-init.S @@ -80,6 +80,10 @@ __do_hyp_init: msr mair_el2, x4 isb + /* Invalidate the stale TLBs from Bootloader */ + tlbi alle2 + dsb sy + mrs x4, sctlr_el2 and x4, x4, #SCTLR_EL2_EE // preserve endianness of EL2 ldr x5, =SCTLR_EL2_FLAGS diff --git a/arch/hexagon/mm/cache.c b/arch/hexagon/mm/cache.c index fe14ccf2856..0c76c802e31 100644 --- a/arch/hexagon/mm/cache.c +++ b/arch/hexagon/mm/cache.c @@ -68,6 +68,7 @@ void flush_icache_range(unsigned long start, unsigned long end) ); local_irq_restore(flags); } +EXPORT_SYMBOL(flush_icache_range); void hexagon_clean_dcache_range(unsigned long start, unsigned long end) { diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 64aefb76bd6..c84c88bbbbd 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -549,8 +549,6 @@ source "drivers/sn/Kconfig" config KEXEC bool "kexec system call" depends on !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) - select CRYPTO - select CRYPTO_SHA256 help kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index 3ff8c9a2533..87b7c7581b1 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -91,8 +91,6 @@ config MMU_SUN3 config KEXEC bool "kexec system call" depends on M68KCLASSIC - select CRYPTO - select CRYPTO_SHA256 help kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h index 1fcdd344c7a..4ef7a54813e 100644 --- a/arch/m68k/include/asm/unistd.h +++ b/arch/m68k/include/asm/unistd.h @@ -4,7 +4,7 @@ #include <uapi/asm/unistd.h> -#define NR_syscalls 352 +#define NR_syscalls 354 #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_OLD_STAT diff --git a/arch/m68k/include/uapi/asm/unistd.h b/arch/m68k/include/uapi/asm/unistd.h index 9cd82fbc781..b419c6b7ac3 100644 --- a/arch/m68k/include/uapi/asm/unistd.h +++ b/arch/m68k/include/uapi/asm/unistd.h @@ -357,5 +357,7 @@ #define __NR_sched_setattr 349 #define __NR_sched_getattr 350 #define __NR_renameat2 351 +#define __NR_getrandom 352 +#define __NR_memfd_create 353 #endif /* _UAPI_ASM_M68K_UNISTD_H_ */ diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S index 501e1021278..05b46c2b08b 100644 --- a/arch/m68k/kernel/syscalltable.S +++ b/arch/m68k/kernel/syscalltable.S @@ -372,4 +372,6 @@ ENTRY(sys_call_table) .long sys_sched_setattr .long sys_sched_getattr /* 350 */ .long sys_renameat2 + .long sys_getrandom + .long sys_memfd_create diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index 40e1c1dd0e2..6feded3b0c4 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig @@ -127,7 +127,7 @@ config SECCOMP endmenu -menu "Advanced setup" +menu "Kernel features" config ADVANCED_OPTIONS bool "Prompt for advanced kernel configuration options" @@ -248,10 +248,10 @@ config MICROBLAZE_64K_PAGES endchoice -endmenu - source "mm/Kconfig" +endmenu + menu "Executable file formats" source "fs/Kconfig.binfmt" diff --git a/arch/microblaze/include/asm/entry.h b/arch/microblaze/include/asm/entry.h index b4a4cb150aa..596e485ae70 100644 --- a/arch/microblaze/include/asm/entry.h +++ b/arch/microblaze/include/asm/entry.h @@ -15,6 +15,7 @@ #include <asm/percpu.h> #include <asm/ptrace.h> +#include <linux/linkage.h> /* * These are per-cpu variables required in entry.S, among other diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h index 0aa005703a0..59a89a64a86 100644 --- a/arch/microblaze/include/asm/uaccess.h +++ b/arch/microblaze/include/asm/uaccess.h @@ -98,13 +98,13 @@ static inline int access_ok(int type, const void __user *addr, if ((get_fs().seg < ((unsigned long)addr)) || (get_fs().seg < ((unsigned long)addr + size - 1))) { - pr_debug("ACCESS fail: %s at 0x%08x (size 0x%x), seg 0x%08x\n", + pr_devel("ACCESS fail: %s at 0x%08x (size 0x%x), seg 0x%08x\n", type ? "WRITE" : "READ ", (__force u32)addr, (u32)size, (u32)get_fs().seg); return 0; } ok: - pr_debug("ACCESS OK: %s at 0x%08x (size 0x%x), seg 0x%08x\n", + pr_devel("ACCESS OK: %s at 0x%08x (size 0x%x), seg 0x%08x\n", type ? "WRITE" : "READ ", (__force u32)addr, (u32)size, (u32)get_fs().seg); return 1; diff --git a/arch/microblaze/include/asm/unistd.h b/arch/microblaze/include/asm/unistd.h index fd56a8f6648..ea4b233647c 100644 --- a/arch/microblaze/include/asm/unistd.h +++ b/arch/microblaze/include/asm/unistd.h @@ -38,6 +38,6 @@ #endif /* __ASSEMBLY__ */ -#define __NR_syscalls 381 +#define __NR_syscalls 387 #endif /* _ASM_MICROBLAZE_UNISTD_H */ diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index df51e78a72c..900c7e5333b 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -2396,8 +2396,6 @@ source "kernel/Kconfig.preempt" config KEXEC bool "Kexec system call" - select CRYPTO - select CRYPTO_SHA256 help kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index 6e75e203092..1554a6f2a5b 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -321,6 +321,22 @@ source "fs/Kconfig" source "arch/parisc/Kconfig.debug" +config SECCOMP + def_bool y + prompt "Enable seccomp to safely compute untrusted bytecode" + ---help--- + This kernel feature is useful for number crunching applications + that may need to compute untrusted bytecode during their + execution. By using pipes or other transports made available to + the process as file descriptors supporting the read/write + syscalls, it's possible to isolate those applications in + their own address space using seccomp. Once seccomp is + enabled via prctl(PR_SET_SECCOMP), it cannot be disabled + and the task is only allowed to execute a few safe syscalls + defined by each seccomp mode. + + If unsure, say Y. Only embedded should say N here. + source "security/Kconfig" source "crypto/Kconfig" diff --git a/arch/parisc/hpux/sys_hpux.c b/arch/parisc/hpux/sys_hpux.c index d9dc6cd3b7d..e5c4da03581 100644 --- a/arch/parisc/hpux/sys_hpux.c +++ b/arch/parisc/hpux/sys_hpux.c @@ -456,7 +456,7 @@ int hpux_sysfs(int opcode, unsigned long arg1, unsigned long arg2) } /* String could be altered by userspace after strlen_user() */ - fsname[len] = '\0'; + fsname[len - 1] = '\0'; printk(KERN_DEBUG "that is '%s' as (char *)\n", fsname); if ( !strcmp(fsname, "hfs") ) { diff --git a/arch/parisc/include/asm/seccomp.h b/arch/parisc/include/asm/seccomp.h new file mode 100644 index 00000000000..015f7887aa2 --- /dev/null +++ b/arch/parisc/include/asm/seccomp.h @@ -0,0 +1,16 @@ +#ifndef _ASM_PARISC_SECCOMP_H +#define _ASM_PARISC_SECCOMP_H + +#include <linux/unistd.h> + +#define __NR_seccomp_read __NR_read +#define __NR_seccomp_write __NR_write +#define __NR_seccomp_exit __NR_exit +#define __NR_seccomp_sigreturn __NR_rt_sigreturn + +#define __NR_seccomp_read_32 __NR_read +#define __NR_seccomp_write_32 __NR_write +#define __NR_seccomp_exit_32 __NR_exit +#define __NR_seccomp_sigreturn_32 __NR_rt_sigreturn + +#endif /* _ASM_PARISC_SECCOMP_H */ diff --git a/arch/parisc/include/asm/thread_info.h b/arch/parisc/include/asm/thread_info.h index 4b9b10ce1f9..a8461183554 100644 --- a/arch/parisc/include/asm/thread_info.h +++ b/arch/parisc/include/asm/thread_info.h @@ -60,6 +60,7 @@ struct thread_info { #define TIF_NOTIFY_RESUME 8 /* callback before returning to user */ #define TIF_SINGLESTEP 9 /* single stepping? */ #define TIF_BLOCKSTEP 10 /* branch stepping? */ +#define TIF_SECCOMP 11 /* secure computing */ #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) @@ -70,11 +71,13 @@ struct thread_info { #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) #define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP) #define _TIF_BLOCKSTEP (1 << TIF_BLOCKSTEP) +#define _TIF_SECCOMP (1 << TIF_SECCOMP) #define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | \ _TIF_NEED_RESCHED) #define _TIF_SYSCALL_TRACE_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \ - _TIF_BLOCKSTEP | _TIF_SYSCALL_AUDIT) + _TIF_BLOCKSTEP | _TIF_SYSCALL_AUDIT | \ + _TIF_SECCOMP) #ifdef CONFIG_64BIT # ifdef CONFIG_COMPAT diff --git a/arch/parisc/include/uapi/asm/unistd.h b/arch/parisc/include/uapi/asm/unistd.h index 47e0e21d227..8667f18be23 100644 --- a/arch/parisc/include/uapi/asm/unistd.h +++ b/arch/parisc/include/uapi/asm/unistd.h @@ -830,8 +830,11 @@ #define __NR_sched_getattr (__NR_Linux + 335) #define __NR_utimes (__NR_Linux + 336) #define __NR_renameat2 (__NR_Linux + 337) +#define __NR_seccomp (__NR_Linux + 338) +#define __NR_getrandom (__NR_Linux + 339) +#define __NR_memfd_create (__NR_Linux + 340) -#define __NR_Linux_syscalls (__NR_renameat2 + 1) +#define __NR_Linux_syscalls (__NR_memfd_create + 1) #define __IGNORE_select /* newselect */ diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c index e842ee233db..3bab72462ab 100644 --- a/arch/parisc/kernel/ptrace.c +++ b/arch/parisc/kernel/ptrace.c @@ -270,6 +270,12 @@ long do_syscall_trace_enter(struct pt_regs *regs) { long ret = 0; + /* Do the secure computing check first. */ + if (secure_computing(regs->gr[20])) { + /* seccomp failures shouldn't expose any additional code. */ + return -1; + } + if (test_thread_flag(TIF_SYSCALL_TRACE) && tracehook_report_syscall_entry(regs)) ret = -1L; diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S index 83878601103..7ef22e3387e 100644 --- a/arch/parisc/kernel/syscall.S +++ b/arch/parisc/kernel/syscall.S @@ -74,7 +74,7 @@ ENTRY(linux_gateway_page) /* ADDRESS 0xb0 to 0xb8, lws uses two insns for entry */ /* Light-weight-syscall entry must always be located at 0xb0 */ /* WARNING: Keep this number updated with table size changes */ -#define __NR_lws_entries (2) +#define __NR_lws_entries (3) lws_entry: gate lws_start, %r0 /* increase privilege */ @@ -502,7 +502,7 @@ lws_exit: /*************************************************** - Implementing CAS as an atomic operation: + Implementing 32bit CAS as an atomic operation: %r26 - Address to examine %r25 - Old value to check (old) @@ -659,6 +659,230 @@ cas_action: ASM_EXCEPTIONTABLE_ENTRY(2b-linux_gateway_page, 3b-linux_gateway_page) + /*************************************************** + New CAS implementation which uses pointers and variable size + information. The value pointed by old and new MUST NOT change + while performing CAS. The lock only protect the value at %r26. + + %r26 - Address to examine + %r25 - Pointer to the value to check (old) + %r24 - Pointer to the value to set (new) + %r23 - Size of the variable (0/1/2/3 for 8/16/32/64 bit) + %r28 - Return non-zero on failure + %r21 - Kernel error code + + %r21 has the following meanings: + + EAGAIN - CAS is busy, ldcw failed, try again. + EFAULT - Read or write failed. + + Scratch: r20, r22, r28, r29, r1, fr4 (32bit for 64bit CAS only) + + ****************************************************/ + + /* ELF32 Process entry path */ +lws_compare_and_swap_2: +#ifdef CONFIG_64BIT + /* Clip the input registers */ + depdi 0, 31, 32, %r26 + depdi 0, 31, 32, %r25 + depdi 0, 31, 32, %r24 + depdi 0, 31, 32, %r23 +#endif + + /* Check the validity of the size pointer */ + subi,>>= 4, %r23, %r0 + b,n lws_exit_nosys + + /* Jump to the functions which will load the old and new values into + registers depending on the their size */ + shlw %r23, 2, %r29 + blr %r29, %r0 + nop + + /* 8bit load */ +4: ldb 0(%sr3,%r25), %r25 + b cas2_lock_start +5: ldb 0(%sr3,%r24), %r24 + nop + nop + nop + nop + nop + + /* 16bit load */ +6: ldh 0(%sr3,%r25), %r25 + b cas2_lock_start +7: ldh 0(%sr3,%r24), %r24 + nop + nop + nop + nop + nop + + /* 32bit load */ +8: ldw 0(%sr3,%r25), %r25 + b cas2_lock_start +9: ldw 0(%sr3,%r24), %r24 + nop + nop + nop + nop + nop + + /* 64bit load */ +#ifdef CONFIG_64BIT +10: ldd 0(%sr3,%r25), %r25 +11: ldd 0(%sr3,%r24), %r24 +#else + /* Load new value into r22/r23 - high/low */ +10: ldw 0(%sr3,%r25), %r22 +11: ldw 4(%sr3,%r25), %r23 + /* Load new value into fr4 for atomic store later */ +12: flddx 0(%sr3,%r24), %fr4 +#endif + +cas2_lock_start: + /* Load start of lock table */ + ldil L%lws_lock_start, %r20 + ldo R%lws_lock_start(%r20), %r28 + + /* Extract four bits from r26 and hash lock (Bits 4-7) */ + extru %r26, 27, 4, %r20 + + /* Find lock to use, the hash is either one of 0 to + 15, multiplied by 16 (keep it 16-byte aligned) + and add to the lock table offset. */ + shlw %r20, 4, %r20 + add %r20, %r28, %r20 + + rsm PSW_SM_I, %r0 /* Disable interrupts */ + /* COW breaks can cause contention on UP systems */ + LDCW 0(%sr2,%r20), %r28 /* Try to acquire the lock */ + cmpb,<>,n %r0, %r28, cas2_action /* Did we get it? */ +cas2_wouldblock: + ldo 2(%r0), %r28 /* 2nd case */ + ssm PSW_SM_I, %r0 + b lws_exit /* Contended... */ + ldo -EAGAIN(%r0), %r21 /* Spin in userspace */ + + /* + prev = *addr; + if ( prev == old ) + *addr = new; + return prev; + */ + + /* NOTES: + This all works becuse intr_do_signal + and schedule both check the return iasq + and see that we are on the kernel page + so this process is never scheduled off + or is ever sent any signal of any sort, + thus it is wholly atomic from usrspaces + perspective + */ +cas2_action: + /* Jump to the correct function */ + blr %r29, %r0 + /* Set %r28 as non-zero for now */ + ldo 1(%r0),%r28 + + /* 8bit CAS */ +13: ldb,ma 0(%sr3,%r26), %r29 + sub,= %r29, %r25, %r0 + b,n cas2_end +14: stb,ma %r24, 0(%sr3,%r26) + b cas2_end + copy %r0, %r28 + nop + nop + + /* 16bit CAS */ +15: ldh,ma 0(%sr3,%r26), %r29 + sub,= %r29, %r25, %r0 + b,n cas2_end +16: sth,ma %r24, 0(%sr3,%r26) + b cas2_end + copy %r0, %r28 + nop + nop + + /* 32bit CAS */ +17: ldw,ma 0(%sr3,%r26), %r29 + sub,= %r29, %r25, %r0 + b,n cas2_end +18: stw,ma %r24, 0(%sr3,%r26) + b cas2_end + copy %r0, %r28 + nop + nop + + /* 64bit CAS */ +#ifdef CONFIG_64BIT +19: ldd,ma 0(%sr3,%r26), %r29 + sub,= %r29, %r25, %r0 + b,n cas2_end +20: std,ma %r24, 0(%sr3,%r26) + copy %r0, %r28 +#else + /* Compare first word */ +19: ldw,ma 0(%sr3,%r26), %r29 + sub,= %r29, %r22, %r0 + b,n cas2_end + /* Compare second word */ +20: ldw,ma 4(%sr3,%r26), %r29 + sub,= %r29, %r23, %r0 + b,n cas2_end + /* Perform the store */ +21: fstdx %fr4, 0(%sr3,%r26) + copy %r0, %r28 +#endif + +cas2_end: + /* Free lock */ + stw,ma %r20, 0(%sr2,%r20) + /* Enable interrupts */ + ssm PSW_SM_I, %r0 + /* Return to userspace, set no error */ + b lws_exit + copy %r0, %r21 + +22: + /* Error occurred on load or store */ + /* Free lock */ + stw %r20, 0(%sr2,%r20) + ssm PSW_SM_I, %r0 + ldo 1(%r0),%r28 + b lws_exit + ldo -EFAULT(%r0),%r21 /* set errno */ + nop + nop + nop + + /* Exception table entries, for the load and store, return EFAULT. + Each of the entries must be relocated. */ + ASM_EXCEPTIONTABLE_ENTRY(4b-linux_gateway_page, 22b-linux_gateway_page) + ASM_EXCEPTIONTABLE_ENTRY(5b-linux_gateway_page, 22b-linux_gateway_page) + ASM_EXCEPTIONTABLE_ENTRY(6b-linux_gateway_page, 22b-linux_gateway_page) + ASM_EXCEPTIONTABLE_ENTRY(7b-linux_gateway_page, 22b-linux_gateway_page) + ASM_EXCEPTIONTABLE_ENTRY(8b-linux_gateway_page, 22b-linux_gateway_page) + ASM_EXCEPTIONTABLE_ENTRY(9b-linux_gateway_page, 22b-linux_gateway_page) + ASM_EXCEPTIONTABLE_ENTRY(10b-linux_gateway_page, 22b-linux_gateway_page) + ASM_EXCEPTIONTABLE_ENTRY(11b-linux_gateway_page, 22b-linux_gateway_page) + ASM_EXCEPTIONTABLE_ENTRY(13b-linux_gateway_page, 22b-linux_gateway_page) + ASM_EXCEPTIONTABLE_ENTRY(14b-linux_gateway_page, 22b-linux_gateway_page) + ASM_EXCEPTIONTABLE_ENTRY(15b-linux_gateway_page, 22b-linux_gateway_page) + ASM_EXCEPTIONTABLE_ENTRY(16b-linux_gateway_page, 22b-linux_gateway_page) + ASM_EXCEPTIONTABLE_ENTRY(17b-linux_gateway_page, 22b-linux_gateway_page) + ASM_EXCEPTIONTABLE_ENTRY(18b-linux_gateway_page, 22b-linux_gateway_page) + ASM_EXCEPTIONTABLE_ENTRY(19b-linux_gateway_page, 22b-linux_gateway_page) + ASM_EXCEPTIONTABLE_ENTRY(20b-linux_gateway_page, 22b-linux_gateway_page) +#ifndef CONFIG_64BIT + ASM_EXCEPTIONTABLE_ENTRY(12b-linux_gateway_page, 22b-linux_gateway_page) + ASM_EXCEPTIONTABLE_ENTRY(21b-linux_gateway_page, 22b-linux_gateway_page) +#endif + /* Make sure nothing else is placed on this page */ .align PAGE_SIZE END(linux_gateway_page) @@ -675,8 +899,9 @@ ENTRY(end_linux_gateway_page) /* Light-weight-syscall table */ /* Start of lws table. */ ENTRY(lws_table) - LWS_ENTRY(compare_and_swap32) /* 0 - ELF32 Atomic compare and swap */ - LWS_ENTRY(compare_and_swap64) /* 1 - ELF64 Atomic compare and swap */ + LWS_ENTRY(compare_and_swap32) /* 0 - ELF32 Atomic 32bit CAS */ + LWS_ENTRY(compare_and_swap64) /* 1 - ELF64 Atomic 32bit CAS */ + LWS_ENTRY(compare_and_swap_2) /* 2 - ELF32 Atomic 64bit CAS */ END(lws_table) /* End of lws table */ diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S index 84c5d3a58fa..b563d9c8268 100644 --- a/arch/parisc/kernel/syscall_table.S +++ b/arch/parisc/kernel/syscall_table.S @@ -433,6 +433,9 @@ ENTRY_SAME(sched_getattr) /* 335 */ ENTRY_COMP(utimes) ENTRY_SAME(renameat2) + ENTRY_SAME(seccomp) + ENTRY_SAME(getrandom) + ENTRY_SAME(memfd_create) /* 340 */ /* Nothing yet */ diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index a577609f8ed..4bc7b62fb4b 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -399,8 +399,6 @@ config PPC64_SUPPORTS_MEMORY_FAILURE config KEXEC bool "kexec system call" depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP)) - select CRYPTO - select CRYPTO_SHA256 help kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot diff --git a/arch/powerpc/configs/cell_defconfig b/arch/powerpc/configs/cell_defconfig index 4bee1a6d41d..45fd06cdc3e 100644 --- a/arch/powerpc/configs/cell_defconfig +++ b/arch/powerpc/configs/cell_defconfig @@ -5,6 +5,7 @@ CONFIG_SMP=y CONFIG_NR_CPUS=4 CONFIG_EXPERIMENTAL=y CONFIG_SYSVIPC=y +CONFIG_FHANDLE=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=15 diff --git a/arch/powerpc/configs/celleb_defconfig b/arch/powerpc/configs/celleb_defconfig index 6d7b22f41b5..77d7bf3ca2a 100644 --- a/arch/powerpc/configs/celleb_defconfig +++ b/arch/powerpc/configs/celleb_defconfig @@ -5,6 +5,7 @@ CONFIG_SMP=y CONFIG_NR_CPUS=4 CONFIG_EXPERIMENTAL=y CONFIG_SYSVIPC=y +CONFIG_FHANDLE=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=15 diff --git a/arch/powerpc/configs/corenet64_smp_defconfig b/arch/powerpc/configs/corenet64_smp_defconfig index 4b07bade1ba..269d6e47c67 100644 --- a/arch/powerpc/configs/corenet64_smp_defconfig +++ b/arch/powerpc/configs/corenet64_smp_defconfig @@ -4,6 +4,7 @@ CONFIG_ALTIVEC=y CONFIG_SMP=y CONFIG_NR_CPUS=24 CONFIG_SYSVIPC=y +CONFIG_FHANDLE=y CONFIG_IRQ_DOMAIN_DEBUG=y CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y diff --git a/arch/powerpc/configs/g5_defconfig b/arch/powerpc/configs/g5_defconfig index 3c72fa615bd..7594c5ac648 100644 --- a/arch/powerpc/configs/g5_defconfig +++ b/arch/powerpc/configs/g5_defconfig @@ -5,6 +5,7 @@ CONFIG_NR_CPUS=4 CONFIG_EXPERIMENTAL=y CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y +CONFIG_FHANDLE=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_BLK_DEV_INITRD=y diff --git a/arch/powerpc/configs/maple_defconfig b/arch/powerpc/configs/maple_defconfig index 95e545d9f25..c8b6a9ddb21 100644 --- a/arch/powerpc/configs/maple_defconfig +++ b/arch/powerpc/configs/maple_defconfig @@ -4,6 +4,7 @@ CONFIG_NR_CPUS=4 CONFIG_EXPERIMENTAL=y CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y +CONFIG_FHANDLE=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y # CONFIG_COMPAT_BRK is not set diff --git a/arch/powerpc/configs/pasemi_defconfig b/arch/powerpc/configs/pasemi_defconfig index cec044a3ff6..e5e7838af00 100644 --- a/arch/powerpc/configs/pasemi_defconfig +++ b/arch/powerpc/configs/pasemi_defconfig @@ -3,6 +3,7 @@ CONFIG_ALTIVEC=y CONFIG_SMP=y CONFIG_NR_CPUS=2 CONFIG_SYSVIPC=y +CONFIG_FHANDLE=y CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y CONFIG_BLK_DEV_INITRD=y diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig index f26b267eb71..f6c02f8cdc6 100644 --- a/arch/powerpc/configs/ppc64_defconfig +++ b/arch/powerpc/configs/ppc64_defconfig @@ -4,6 +4,7 @@ CONFIG_VSX=y CONFIG_SMP=y CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y +CONFIG_FHANDLE=y CONFIG_IRQ_DOMAIN_DEBUG=y CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y diff --git a/arch/powerpc/configs/ppc64e_defconfig b/arch/powerpc/configs/ppc64e_defconfig index 438e813dc9c..587f5514f9b 100644 --- a/arch/powerpc/configs/ppc64e_defconfig +++ b/arch/powerpc/configs/ppc64e_defconfig @@ -3,6 +3,7 @@ CONFIG_PPC_BOOK3E_64=y CONFIG_SMP=y CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y +CONFIG_FHANDLE=y CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y CONFIG_TASKSTATS=y diff --git a/arch/powerpc/configs/ps3_defconfig b/arch/powerpc/configs/ps3_defconfig index fdee37fab81..2e637c881d2 100644 --- a/arch/powerpc/configs/ps3_defconfig +++ b/arch/powerpc/configs/ps3_defconfig @@ -5,6 +5,7 @@ CONFIG_SMP=y CONFIG_NR_CPUS=2 CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y +CONFIG_FHANDLE=y CONFIG_HIGH_RES_TIMERS=y CONFIG_BLK_DEV_INITRD=y CONFIG_RD_LZMA=y diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig index a905063281c..50375f1f59e 100644 --- a/arch/powerpc/configs/pseries_defconfig +++ b/arch/powerpc/configs/pseries_defconfig @@ -5,6 +5,7 @@ CONFIG_SMP=y CONFIG_NR_CPUS=2048 CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y +CONFIG_FHANDLE=y CONFIG_AUDIT=y CONFIG_AUDITSYSCALL=y CONFIG_IRQ_DOMAIN_DEBUG=y diff --git a/arch/powerpc/configs/pseries_le_defconfig b/arch/powerpc/configs/pseries_le_defconfig index 58e3dbf43ca..4428ee428f4 100644 --- a/arch/powerpc/configs/pseries_le_defconfig +++ b/arch/powerpc/configs/pseries_le_defconfig @@ -6,6 +6,7 @@ CONFIG_NR_CPUS=2048 CONFIG_CPU_LITTLE_ENDIAN=y CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y +CONFIG_FHANDLE=y CONFIG_AUDIT=y CONFIG_AUDITSYSCALL=y CONFIG_IRQ_DOMAIN_DEBUG=y diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index 279b80f3bb2..c0c61fa9cd9 100644 --- a/arch/powerpc/include/asm/ptrace.h +++ b/arch/powerpc/include/asm/ptrace.h @@ -47,6 +47,12 @@ STACK_FRAME_OVERHEAD + KERNEL_REDZONE_SIZE) #define STACK_FRAME_MARKER 12 +#if defined(_CALL_ELF) && _CALL_ELF == 2 +#define STACK_FRAME_MIN_SIZE 32 +#else +#define STACK_FRAME_MIN_SIZE STACK_FRAME_OVERHEAD +#endif + /* Size of dummy stack frame allocated when calling signal handler. */ #define __SIGNAL_FRAMESIZE 128 #define __SIGNAL_FRAMESIZE32 64 @@ -60,6 +66,7 @@ #define STACK_FRAME_REGS_MARKER ASM_CONST(0x72656773) #define STACK_INT_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_OVERHEAD) #define STACK_FRAME_MARKER 2 +#define STACK_FRAME_MIN_SIZE STACK_FRAME_OVERHEAD /* Size of stack frame allocated when calling signal handler. */ #define __SIGNAL_FRAMESIZE 64 diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h index 542bc0f0673..7d8a6006880 100644 --- a/arch/powerpc/include/asm/systbl.h +++ b/arch/powerpc/include/asm/systbl.h @@ -362,3 +362,6 @@ SYSCALL(ni_syscall) /* sys_kcmp */ SYSCALL_SPU(sched_setattr) SYSCALL_SPU(sched_getattr) SYSCALL_SPU(renameat2) +SYSCALL_SPU(seccomp) +SYSCALL_SPU(getrandom) +SYSCALL_SPU(memfd_create) diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h index 5ce5552ab9f..4e9af3fd43e 100644 --- a/arch/powerpc/include/asm/unistd.h +++ b/arch/powerpc/include/asm/unistd.h @@ -12,7 +12,7 @@ #include <uapi/asm/unistd.h> -#define __NR_syscalls 358 +#define __NR_syscalls 361 #define __NR__exit __NR_exit #define NR_syscalls __NR_syscalls diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h index 2d526f7b48d..0688fc06e18 100644 --- a/arch/powerpc/include/uapi/asm/unistd.h +++ b/arch/powerpc/include/uapi/asm/unistd.h @@ -380,5 +380,8 @@ #define __NR_sched_setattr 355 #define __NR_sched_getattr 356 #define __NR_renameat2 357 +#define __NR_seccomp 358 +#define __NR_getrandom 359 +#define __NR_memfd_create 360 #endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */ diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c index 72c20bb16d2..79294c4c501 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_hv.c +++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c @@ -62,10 +62,10 @@ long kvmppc_alloc_hpt(struct kvm *kvm, u32 *htab_orderp) } kvm->arch.hpt_cma_alloc = 0; - page = kvm_alloc_hpt(1 << (order - PAGE_SHIFT)); + page = kvm_alloc_hpt(1ul << (order - PAGE_SHIFT)); if (page) { hpt = (unsigned long)pfn_to_kaddr(page_to_pfn(page)); - memset((void *)hpt, 0, (1 << order)); + memset((void *)hpt, 0, (1ul << order)); kvm->arch.hpt_cma_alloc = 1; } diff --git a/arch/powerpc/perf/callchain.c b/arch/powerpc/perf/callchain.c index 74d1e780748..2396dda282c 100644 --- a/arch/powerpc/perf/callchain.c +++ b/arch/powerpc/perf/callchain.c @@ -35,7 +35,7 @@ static int valid_next_sp(unsigned long sp, unsigned long prev_sp) return 0; /* must be 16-byte aligned */ if (!validate_sp(sp, current, STACK_FRAME_OVERHEAD)) return 0; - if (sp >= prev_sp + STACK_FRAME_OVERHEAD) + if (sp >= prev_sp + STACK_FRAME_MIN_SIZE) return 1; /* * sp could decrease when we jump off an interrupt stack diff --git a/arch/powerpc/platforms/powernv/opal-hmi.c b/arch/powerpc/platforms/powernv/opal-hmi.c index 97ac8dc3366..5e1ed1575aa 100644 --- a/arch/powerpc/platforms/powernv/opal-hmi.c +++ b/arch/powerpc/platforms/powernv/opal-hmi.c @@ -28,6 +28,7 @@ #include <asm/opal.h> #include <asm/cputable.h> +#include <asm/machdep.h> static int opal_hmi_handler_nb_init; struct OpalHmiEvtNode { @@ -185,4 +186,4 @@ static int __init opal_hmi_handler_init(void) } return 0; } -subsys_initcall(opal_hmi_handler_init); +machine_subsys_initcall(powernv, opal_hmi_handler_init); diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c index c904583baf4..17ee193960a 100644 --- a/arch/powerpc/platforms/pseries/hotplug-memory.c +++ b/arch/powerpc/platforms/pseries/hotplug-memory.c @@ -113,7 +113,7 @@ out: static int pseries_remove_mem_node(struct device_node *np) { const char *type; - const unsigned int *regs; + const __be32 *regs; unsigned long base; unsigned int lmb_size; int ret = -EINVAL; @@ -132,8 +132,8 @@ static int pseries_remove_mem_node(struct device_node *np) if (!regs) return ret; - base = *(unsigned long *)regs; - lmb_size = regs[3]; + base = be64_to_cpu(*(unsigned long *)regs); + lmb_size = be32_to_cpu(regs[3]); pseries_remove_memblock(base, lmb_size); return 0; @@ -153,7 +153,7 @@ static inline int pseries_remove_mem_node(struct device_node *np) static int pseries_add_mem_node(struct device_node *np) { const char *type; - const unsigned int *regs; + const __be32 *regs; unsigned long base; unsigned int lmb_size; int ret = -EINVAL; @@ -172,8 +172,8 @@ static int pseries_add_mem_node(struct device_node *np) if (!regs) return ret; - base = *(unsigned long *)regs; - lmb_size = regs[3]; + base = be64_to_cpu(*(unsigned long *)regs); + lmb_size = be32_to_cpu(regs[3]); /* * Update memory region to represent the memory add @@ -187,14 +187,14 @@ static int pseries_update_drconf_memory(struct of_prop_reconfig *pr) struct of_drconf_cell *new_drmem, *old_drmem; unsigned long memblock_size; u32 entries; - u32 *p; + __be32 *p; int i, rc = -EINVAL; memblock_size = pseries_memory_block_size(); if (!memblock_size) return -EINVAL; - p = (u32 *) pr->old_prop->value; + p = (__be32 *) pr->old_prop->value; if (!p) return -EINVAL; @@ -203,28 +203,30 @@ static int pseries_update_drconf_memory(struct of_prop_reconfig *pr) * entries. Get the niumber of entries and skip to the array of * of_drconf_cell's. */ - entries = *p++; + entries = be32_to_cpu(*p++); old_drmem = (struct of_drconf_cell *)p; - p = (u32 *)pr->prop->value; + p = (__be32 *)pr->prop->value; p++; new_drmem = (struct of_drconf_cell *)p; for (i = 0; i < entries; i++) { - if ((old_drmem[i].flags & DRCONF_MEM_ASSIGNED) && - (!(new_drmem[i].flags & DRCONF_MEM_ASSIGNED))) { - rc = pseries_remove_memblock(old_drmem[i].base_addr, + if ((be32_to_cpu(old_drmem[i].flags) & DRCONF_MEM_ASSIGNED) && + (!(be32_to_cpu(new_drmem[i].flags) & DRCONF_MEM_ASSIGNED))) { + rc = pseries_remove_memblock( + be64_to_cpu(old_drmem[i].base_addr), memblock_size); break; - } else if ((!(old_drmem[i].flags & DRCONF_MEM_ASSIGNED)) && - (new_drmem[i].flags & DRCONF_MEM_ASSIGNED)) { - rc = memblock_add(old_drmem[i].base_addr, + } else if ((!(be32_to_cpu(old_drmem[i].flags) & + DRCONF_MEM_ASSIGNED)) && + (be32_to_cpu(new_drmem[i].flags) & + DRCONF_MEM_ASSIGNED)) { + rc = memblock_add(be64_to_cpu(old_drmem[i].base_addr), memblock_size); rc = (rc < 0) ? -EINVAL : 0; break; } } - return rc; } diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index ab39ceb89ec..05c78bb5f57 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -48,8 +48,6 @@ config ARCH_SUPPORTS_DEBUG_PAGEALLOC config KEXEC def_bool y - select CRYPTO - select CRYPTO_SHA256 config AUDIT_ARCH def_bool y diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h index 2fcccc0c997..c81661e756a 100644 --- a/arch/s390/include/asm/ipl.h +++ b/arch/s390/include/asm/ipl.h @@ -17,12 +17,12 @@ #define IPL_PARM_BLK_FCP_LEN (sizeof(struct ipl_list_hdr) + \ sizeof(struct ipl_block_fcp)) -#define IPL_PARM_BLK0_FCP_LEN (sizeof(struct ipl_block_fcp) + 8) +#define IPL_PARM_BLK0_FCP_LEN (sizeof(struct ipl_block_fcp) + 16) #define IPL_PARM_BLK_CCW_LEN (sizeof(struct ipl_list_hdr) + \ sizeof(struct ipl_block_ccw)) -#define IPL_PARM_BLK0_CCW_LEN (sizeof(struct ipl_block_ccw) + 8) +#define IPL_PARM_BLK0_CCW_LEN (sizeof(struct ipl_block_ccw) + 16) #define IPL_MAX_SUPPORTED_VERSION (0) @@ -38,10 +38,11 @@ struct ipl_list_hdr { u8 pbt; u8 flags; u16 reserved2; + u8 loadparm[8]; } __attribute__((packed)); struct ipl_block_fcp { - u8 reserved1[313-1]; + u8 reserved1[305-1]; u8 opt; u8 reserved2[3]; u16 reserved3; @@ -62,7 +63,6 @@ struct ipl_block_fcp { offsetof(struct ipl_block_fcp, scp_data))) struct ipl_block_ccw { - u8 load_parm[8]; u8 reserved1[84]; u8 reserved2[2]; u16 devno; diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index b76317c1f3e..5efb2fe186e 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -1127,7 +1127,7 @@ static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) { pgste_t pgste; - pte_t pte; + pte_t pte, oldpte; int young; if (mm_has_pgste(vma->vm_mm)) { @@ -1135,12 +1135,13 @@ static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, pgste = pgste_ipte_notify(vma->vm_mm, ptep, pgste); } - pte = *ptep; + oldpte = pte = *ptep; ptep_flush_direct(vma->vm_mm, addr, ptep); young = pte_young(pte); pte = pte_mkold(pte); if (mm_has_pgste(vma->vm_mm)) { + pgste = pgste_update_all(&oldpte, pgste, vma->vm_mm); pgste = pgste_set_pte(ptep, pgste, pte); pgste_set_unlock(ptep, pgste); } else @@ -1330,6 +1331,7 @@ static inline int ptep_set_access_flags(struct vm_area_struct *vma, ptep_flush_direct(vma->vm_mm, address, ptep); if (mm_has_pgste(vma->vm_mm)) { + pgste_set_key(ptep, pgste, entry, vma->vm_mm); pgste = pgste_set_pte(ptep, pgste, entry); pgste_set_unlock(ptep, pgste); } else diff --git a/arch/s390/include/uapi/asm/unistd.h b/arch/s390/include/uapi/asm/unistd.h index 3802d2d3a18..940ac49198d 100644 --- a/arch/s390/include/uapi/asm/unistd.h +++ b/arch/s390/include/uapi/asm/unistd.h @@ -283,7 +283,10 @@ #define __NR_sched_setattr 345 #define __NR_sched_getattr 346 #define __NR_renameat2 347 -#define NR_syscalls 348 +#define __NR_seccomp 348 +#define __NR_getrandom 349 +#define __NR_memfd_create 350 +#define NR_syscalls 351 /* * There are some system calls that are not present on 64 bit, some diff --git a/arch/s390/kernel/compat_wrapper.c b/arch/s390/kernel/compat_wrapper.c index 45cdb37aa6f..faf6caa510d 100644 --- a/arch/s390/kernel/compat_wrapper.c +++ b/arch/s390/kernel/compat_wrapper.c @@ -214,3 +214,6 @@ COMPAT_SYSCALL_WRAP3(finit_module, int, fd, const char __user *, uargs, int, fla COMPAT_SYSCALL_WRAP3(sched_setattr, pid_t, pid, struct sched_attr __user *, attr, unsigned int, flags); COMPAT_SYSCALL_WRAP4(sched_getattr, pid_t, pid, struct sched_attr __user *, attr, unsigned int, size, unsigned int, flags); COMPAT_SYSCALL_WRAP5(renameat2, int, olddfd, const char __user *, oldname, int, newdfd, const char __user *, newname, unsigned int, flags); +COMPAT_SYSCALL_WRAP3(seccomp, unsigned int, op, unsigned int, flags, const char __user *, uargs) +COMPAT_SYSCALL_WRAP3(getrandom, char __user *, buf, size_t, count, unsigned int, flags) +COMPAT_SYSCALL_WRAP2(memfd_create, const char __user *, uname, unsigned int, flags) diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index 633ca750453..39badb9ca0b 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -455,22 +455,6 @@ DEFINE_IPL_ATTR_RO(ipl_fcp, bootprog, "%lld\n", (unsigned long long) DEFINE_IPL_ATTR_RO(ipl_fcp, br_lba, "%lld\n", (unsigned long long) IPL_PARMBLOCK_START->ipl_info.fcp.br_lba); -static struct attribute *ipl_fcp_attrs[] = { - &sys_ipl_type_attr.attr, - &sys_ipl_device_attr.attr, - &sys_ipl_fcp_wwpn_attr.attr, - &sys_ipl_fcp_lun_attr.attr, - &sys_ipl_fcp_bootprog_attr.attr, - &sys_ipl_fcp_br_lba_attr.attr, - NULL, -}; - -static struct attribute_group ipl_fcp_attr_group = { - .attrs = ipl_fcp_attrs, -}; - -/* CCW ipl device attributes */ - static ssize_t ipl_ccw_loadparm_show(struct kobject *kobj, struct kobj_attribute *attr, char *page) { @@ -487,6 +471,23 @@ static ssize_t ipl_ccw_loadparm_show(struct kobject *kobj, static struct kobj_attribute sys_ipl_ccw_loadparm_attr = __ATTR(loadparm, 0444, ipl_ccw_loadparm_show, NULL); +static struct attribute *ipl_fcp_attrs[] = { + &sys_ipl_type_attr.attr, + &sys_ipl_device_attr.attr, + &sys_ipl_fcp_wwpn_attr.attr, + &sys_ipl_fcp_lun_attr.attr, + &sys_ipl_fcp_bootprog_attr.attr, + &sys_ipl_fcp_br_lba_attr.attr, + &sys_ipl_ccw_loadparm_attr.attr, + NULL, +}; + +static struct attribute_group ipl_fcp_attr_group = { + .attrs = ipl_fcp_attrs, +}; + +/* CCW ipl device attributes */ + static struct attribute *ipl_ccw_attrs_vm[] = { &sys_ipl_type_attr.attr, &sys_ipl_device_attr.attr, @@ -765,28 +766,10 @@ DEFINE_IPL_ATTR_RW(reipl_fcp, br_lba, "%lld\n", "%lld\n", DEFINE_IPL_ATTR_RW(reipl_fcp, device, "0.0.%04llx\n", "0.0.%llx\n", reipl_block_fcp->ipl_info.fcp.devno); -static struct attribute *reipl_fcp_attrs[] = { - &sys_reipl_fcp_device_attr.attr, - &sys_reipl_fcp_wwpn_attr.attr, - &sys_reipl_fcp_lun_attr.attr, - &sys_reipl_fcp_bootprog_attr.attr, - &sys_reipl_fcp_br_lba_attr.attr, - NULL, -}; - -static struct attribute_group reipl_fcp_attr_group = { - .attrs = reipl_fcp_attrs, -}; - -/* CCW reipl device attributes */ - -DEFINE_IPL_ATTR_RW(reipl_ccw, device, "0.0.%04llx\n", "0.0.%llx\n", - reipl_block_ccw->ipl_info.ccw.devno); - static void reipl_get_ascii_loadparm(char *loadparm, struct ipl_parameter_block *ibp) { - memcpy(loadparm, ibp->ipl_info.ccw.load_parm, LOADPARM_LEN); + memcpy(loadparm, ibp->hdr.loadparm, LOADPARM_LEN); EBCASC(loadparm, LOADPARM_LEN); loadparm[LOADPARM_LEN] = 0; strim(loadparm); @@ -821,13 +804,50 @@ static ssize_t reipl_generic_loadparm_store(struct ipl_parameter_block *ipb, return -EINVAL; } /* initialize loadparm with blanks */ - memset(ipb->ipl_info.ccw.load_parm, ' ', LOADPARM_LEN); + memset(ipb->hdr.loadparm, ' ', LOADPARM_LEN); /* copy and convert to ebcdic */ - memcpy(ipb->ipl_info.ccw.load_parm, buf, lp_len); - ASCEBC(ipb->ipl_info.ccw.load_parm, LOADPARM_LEN); + memcpy(ipb->hdr.loadparm, buf, lp_len); + ASCEBC(ipb->hdr.loadparm, LOADPARM_LEN); return len; } +/* FCP wrapper */ +static ssize_t reipl_fcp_loadparm_show(struct kobject *kobj, + struct kobj_attribute *attr, char *page) +{ + return reipl_generic_loadparm_show(reipl_block_fcp, page); +} + +static ssize_t reipl_fcp_loadparm_store(struct kobject *kobj, + struct kobj_attribute *attr, + const char *buf, size_t len) +{ + return reipl_generic_loadparm_store(reipl_block_fcp, buf, len); +} + +static struct kobj_attribute sys_reipl_fcp_loadparm_attr = + __ATTR(loadparm, S_IRUGO | S_IWUSR, reipl_fcp_loadparm_show, + reipl_fcp_loadparm_store); + +static struct attribute *reipl_fcp_attrs[] = { + &sys_reipl_fcp_device_attr.attr, + &sys_reipl_fcp_wwpn_attr.attr, + &sys_reipl_fcp_lun_attr.attr, + &sys_reipl_fcp_bootprog_attr.attr, + &sys_reipl_fcp_br_lba_attr.attr, + &sys_reipl_fcp_loadparm_attr.attr, + NULL, +}; + +static struct attribute_group reipl_fcp_attr_group = { + .attrs = reipl_fcp_attrs, +}; + +/* CCW reipl device attributes */ + +DEFINE_IPL_ATTR_RW(reipl_ccw, device, "0.0.%04llx\n", "0.0.%llx\n", + reipl_block_ccw->ipl_info.ccw.devno); + /* NSS wrapper */ static ssize_t reipl_nss_loadparm_show(struct kobject *kobj, struct kobj_attribute *attr, char *page) @@ -1125,11 +1145,10 @@ static void reipl_block_ccw_fill_parms(struct ipl_parameter_block *ipb) /* LOADPARM */ /* check if read scp info worked and set loadparm */ if (sclp_ipl_info.is_valid) - memcpy(ipb->ipl_info.ccw.load_parm, - &sclp_ipl_info.loadparm, LOADPARM_LEN); + memcpy(ipb->hdr.loadparm, &sclp_ipl_info.loadparm, LOADPARM_LEN); else /* read scp info failed: set empty loadparm (EBCDIC blanks) */ - memset(ipb->ipl_info.ccw.load_parm, 0x40, LOADPARM_LEN); + memset(ipb->hdr.loadparm, 0x40, LOADPARM_LEN); ipb->hdr.flags = DIAG308_FLAGS_LP_VALID; /* VM PARM */ @@ -1251,9 +1270,16 @@ static int __init reipl_fcp_init(void) return rc; } - if (ipl_info.type == IPL_TYPE_FCP) + if (ipl_info.type == IPL_TYPE_FCP) { memcpy(reipl_block_fcp, IPL_PARMBLOCK_START, PAGE_SIZE); - else { + /* + * Fix loadparm: There are systems where the (SCSI) LOADPARM + * is invalid in the SCSI IPL parameter block, so take it + * always from sclp_ipl_info. + */ + memcpy(reipl_block_fcp->hdr.loadparm, sclp_ipl_info.loadparm, + LOADPARM_LEN); + } else { reipl_block_fcp->hdr.len = IPL_PARM_BLK_FCP_LEN; reipl_block_fcp->hdr.version = IPL_PARM_BLOCK_VERSION; reipl_block_fcp->hdr.blk0_len = IPL_PARM_BLK0_FCP_LEN; @@ -1864,7 +1890,23 @@ static void __init shutdown_actions_init(void) static int __init s390_ipl_init(void) { + char str[8] = {0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40}; + sclp_get_ipl_info(&sclp_ipl_info); + /* + * Fix loadparm: There are systems where the (SCSI) LOADPARM + * returned by read SCP info is invalid (contains EBCDIC blanks) + * when the system has been booted via diag308. In that case we use + * the value from diag308, if available. + * + * There are also systems where diag308 store does not work in + * case the system is booted from HMC. Fortunately in this case + * READ SCP info provides the correct value. + */ + if (memcmp(sclp_ipl_info.loadparm, str, sizeof(str)) == 0 && + diag308_set_works) + memcpy(sclp_ipl_info.loadparm, ipl_block.hdr.loadparm, + LOADPARM_LEN); shutdown_actions_init(); shutdown_triggers_init(); return 0; @@ -2060,6 +2102,13 @@ void s390_reset_system(void (*func)(void *), void *data) S390_lowcore.program_new_psw.addr = PSW_ADDR_AMODE | (unsigned long) s390_base_pgm_handler; + /* + * Clear subchannel ID and number to signal new kernel that no CCW or + * SCSI IPL has been done (for kexec and kdump) + */ + S390_lowcore.subchannel_id = 0; + S390_lowcore.subchannel_nr = 0; + /* Store status at absolute zero */ store_status(); diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index ae1d5be7dd8..82bc113e8c1 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -24,6 +24,7 @@ #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> +#include <linux/random.h> #include <linux/user.h> #include <linux/tty.h> #include <linux/ioport.h> @@ -61,6 +62,7 @@ #include <asm/diag.h> #include <asm/os_info.h> #include <asm/sclp.h> +#include <asm/sysinfo.h> #include "entry.h" /* @@ -766,6 +768,7 @@ static void __init setup_hwcaps(void) #endif get_cpu_id(&cpu_id); + add_device_randomness(&cpu_id, sizeof(cpu_id)); switch (cpu_id.machine) { case 0x9672: #if !defined(CONFIG_64BIT) @@ -804,6 +807,19 @@ static void __init setup_hwcaps(void) } /* + * Add system information as device randomness + */ +static void __init setup_randomness(void) +{ + struct sysinfo_3_2_2 *vmms; + + vmms = (struct sysinfo_3_2_2 *) alloc_page(GFP_KERNEL); + if (vmms && stsi(vmms, 3, 2, 2) == 0 && vmms->count) + add_device_randomness(&vmms, vmms->count); + free_page((unsigned long) vmms); +} + +/* * Setup function called from init/main.c just after the banner * was printed. */ @@ -901,6 +917,9 @@ void __init setup_arch(char **cmdline_p) /* Setup zfcpdump support */ setup_zfcpdump(); + + /* Add system specific data to the random pool */ + setup_randomness(); } #ifdef CONFIG_32BIT diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S index fe5cdf29a00..6fe886ac2db 100644 --- a/arch/s390/kernel/syscalls.S +++ b/arch/s390/kernel/syscalls.S @@ -356,3 +356,6 @@ SYSCALL(sys_finit_module,sys_finit_module,compat_sys_finit_module) SYSCALL(sys_sched_setattr,sys_sched_setattr,compat_sys_sched_setattr) /* 345 */ SYSCALL(sys_sched_getattr,sys_sched_getattr,compat_sys_sched_getattr) SYSCALL(sys_renameat2,sys_renameat2,compat_sys_renameat2) +SYSCALL(sys_seccomp,sys_seccomp,compat_sys_seccomp) +SYSCALL(sys_getrandom,sys_getrandom,compat_sys_getrandom) +SYSCALL(sys_memfd_create,sys_memfd_create,compat_sys_memfd_create) /* 350 */ diff --git a/arch/s390/kernel/vdso32/clock_gettime.S b/arch/s390/kernel/vdso32/clock_gettime.S index 65fc3979c2f..7cf18f8d4cb 100644 --- a/arch/s390/kernel/vdso32/clock_gettime.S +++ b/arch/s390/kernel/vdso32/clock_gettime.S @@ -22,13 +22,11 @@ __kernel_clock_gettime: basr %r5,0 0: al %r5,21f-0b(%r5) /* get &_vdso_data */ chi %r2,__CLOCK_REALTIME - je 10f + je 11f chi %r2,__CLOCK_MONOTONIC jne 19f /* CLOCK_MONOTONIC */ - ltr %r3,%r3 - jz 9f /* tp == NULL */ 1: l %r4,__VDSO_UPD_COUNT+4(%r5) /* load update counter */ tml %r4,0x0001 /* pending update ? loop */ jnz 1b @@ -67,12 +65,10 @@ __kernel_clock_gettime: j 6b 8: st %r2,0(%r3) /* store tp->tv_sec */ st %r1,4(%r3) /* store tp->tv_nsec */ -9: lhi %r2,0 + lhi %r2,0 br %r14 /* CLOCK_REALTIME */ -10: ltr %r3,%r3 /* tp == NULL */ - jz 18f 11: l %r4,__VDSO_UPD_COUNT+4(%r5) /* load update counter */ tml %r4,0x0001 /* pending update ? loop */ jnz 11b @@ -111,7 +107,7 @@ __kernel_clock_gettime: j 15b 17: st %r2,0(%r3) /* store tp->tv_sec */ st %r1,4(%r3) /* store tp->tv_nsec */ -18: lhi %r2,0 + lhi %r2,0 br %r14 /* Fallback to system call */ diff --git a/arch/s390/kernel/vdso64/clock_gettime.S b/arch/s390/kernel/vdso64/clock_gettime.S index 91940ed33a4..3f34e09db5f 100644 --- a/arch/s390/kernel/vdso64/clock_gettime.S +++ b/arch/s390/kernel/vdso64/clock_gettime.S @@ -21,7 +21,7 @@ __kernel_clock_gettime: .cfi_startproc larl %r5,_vdso_data cghi %r2,__CLOCK_REALTIME - je 4f + je 5f cghi %r2,__CLOCK_THREAD_CPUTIME_ID je 9f cghi %r2,-2 /* Per-thread CPUCLOCK with PID=0, VIRT=1 */ @@ -30,8 +30,6 @@ __kernel_clock_gettime: jne 12f /* CLOCK_MONOTONIC */ - ltgr %r3,%r3 - jz 3f /* tp == NULL */ 0: lg %r4,__VDSO_UPD_COUNT(%r5) /* load update counter */ tmll %r4,0x0001 /* pending update ? loop */ jnz 0b @@ -53,12 +51,10 @@ __kernel_clock_gettime: j 1b 2: stg %r0,0(%r3) /* store tp->tv_sec */ stg %r1,8(%r3) /* store tp->tv_nsec */ -3: lghi %r2,0 + lghi %r2,0 br %r14 /* CLOCK_REALTIME */ -4: ltr %r3,%r3 /* tp == NULL */ - jz 8f 5: lg %r4,__VDSO_UPD_COUNT(%r5) /* load update counter */ tmll %r4,0x0001 /* pending update ? loop */ jnz 5b @@ -80,7 +76,7 @@ __kernel_clock_gettime: j 6b 7: stg %r0,0(%r3) /* store tp->tv_sec */ stg %r1,8(%r3) /* store tp->tv_nsec */ -8: lghi %r2,0 + lghi %r2,0 br %r14 /* CLOCK_THREAD_CPUTIME_ID for this thread */ diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index ce81eb2ab76..81b0e11521e 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -1317,19 +1317,6 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) return -EINVAL; } - switch (kvm_run->exit_reason) { - case KVM_EXIT_S390_SIEIC: - case KVM_EXIT_UNKNOWN: - case KVM_EXIT_INTR: - case KVM_EXIT_S390_RESET: - case KVM_EXIT_S390_UCONTROL: - case KVM_EXIT_S390_TSCH: - case KVM_EXIT_DEBUG: - break; - default: - BUG(); - } - vcpu->arch.sie_block->gpsw.mask = kvm_run->psw_mask; vcpu->arch.sie_block->gpsw.addr = kvm_run->psw_addr; if (kvm_run->kvm_dirty_regs & KVM_SYNC_PREFIX) { diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index 19daa53a3da..5404a6261db 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -986,11 +986,21 @@ int set_guest_storage_key(struct mm_struct *mm, unsigned long addr, pte_t *ptep; down_read(&mm->mmap_sem); +retry: ptep = get_locked_pte(current->mm, addr, &ptl); if (unlikely(!ptep)) { up_read(&mm->mmap_sem); return -EFAULT; } + if (!(pte_val(*ptep) & _PAGE_INVALID) && + (pte_val(*ptep) & _PAGE_PROTECT)) { + pte_unmap_unlock(*ptep, ptl); + if (fixup_user_fault(current, mm, addr, FAULT_FLAG_WRITE)) { + up_read(&mm->mmap_sem); + return -EFAULT; + } + goto retry; + } new = old = pgste_get_lock(ptep); pgste_val(new) &= ~(PGSTE_GR_BIT | PGSTE_GC_BIT | diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index b319846ad97..244fb4c81e2 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -598,8 +598,6 @@ source kernel/Kconfig.hz config KEXEC bool "kexec system call (EXPERIMENTAL)" depends on SUPERH32 && MMU - select CRYPTO - select CRYPTO_SHA256 help kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c index 097c2cdd117..f770e399262 100644 --- a/arch/sh/mm/cache.c +++ b/arch/sh/mm/cache.c @@ -229,6 +229,7 @@ void flush_icache_range(unsigned long start, unsigned long end) cacheop_on_each_cpu(local_flush_icache_range, (void *)&data, 1); } +EXPORT_SYMBOL(flush_icache_range); void flush_icache_page(struct vm_area_struct *vma, struct page *page) { diff --git a/arch/sh/mm/gup.c b/arch/sh/mm/gup.c index bf8daf9d9c9..37458f38b22 100644 --- a/arch/sh/mm/gup.c +++ b/arch/sh/mm/gup.c @@ -105,6 +105,8 @@ static noinline int gup_pte_range(pmd_t pmd, unsigned long addr, VM_BUG_ON(!pfn_valid(pte_pfn(pte))); page = pte_page(pte); get_page(page); + __flush_anon_page(page, addr); + flush_dcache_page(page); pages[*nr] = page; (*nr)++; diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig index a3ffe2dd483..7fcd492adbf 100644 --- a/arch/tile/Kconfig +++ b/arch/tile/Kconfig @@ -191,8 +191,6 @@ source "kernel/Kconfig.hz" config KEXEC bool "kexec system call" - select CRYPTO - select CRYPTO_SHA256 ---help--- kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot diff --git a/arch/tile/kernel/smp.c b/arch/tile/kernel/smp.c index 01e8ab29f43..19eaa62d456 100644 --- a/arch/tile/kernel/smp.c +++ b/arch/tile/kernel/smp.c @@ -183,6 +183,7 @@ void flush_icache_range(unsigned long start, unsigned long end) preempt_enable(); } } +EXPORT_SYMBOL(flush_icache_range); /* Called when smp_send_reschedule() triggers IRQ_RESCHEDULE. */ diff --git a/arch/unicore32/kernel/signal.c b/arch/unicore32/kernel/signal.c index 780d77388de..7c8fb7018dc 100644 --- a/arch/unicore32/kernel/signal.c +++ b/arch/unicore32/kernel/signal.c @@ -254,7 +254,8 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set, err |= setup_sigframe(frame, regs, set); if (err == 0) - err |= setup_return(regs, &ksig->ka, frame->retcode, frame, usig); + err |= setup_return(regs, &ksig->ka, frame->retcode, frame, + ksig->sig); return err; } @@ -276,7 +277,8 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set, err |= __save_altstack(&frame->sig.uc.uc_stack, regs->UCreg_sp); err |= setup_sigframe(&frame->sig, regs, set); if (err == 0) - err |= setup_return(regs, &ksig->ka, frame->sig.retcode, frame, usig); + err |= setup_return(regs, &ksig->ka, frame->sig.retcode, frame, + ksig->sig); if (err == 0) { /* @@ -303,7 +305,6 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs, int syscall) { struct thread_info *thread = current_thread_info(); - struct task_struct *tsk = current; sigset_t *oldset = sigmask_to_save(); int usig = ksig->sig; int ret; @@ -373,7 +374,7 @@ static void do_signal(struct pt_regs *regs, int syscall) if (!user_mode(regs)) return; - if (get_signsl(&ksig)) { + if (get_signal(&ksig)) { handle_signal(&ksig, regs, syscall); return; } diff --git a/arch/x86/Kbuild b/arch/x86/Kbuild index 61b6d51866f..3942f74c92d 100644 --- a/arch/x86/Kbuild +++ b/arch/x86/Kbuild @@ -17,6 +17,4 @@ obj-$(CONFIG_IA32_EMULATION) += ia32/ obj-y += platform/ obj-y += net/ -ifeq ($(CONFIG_X86_64),y) -obj-$(CONFIG_KEXEC) += purgatory/ -endif +obj-$(CONFIG_KEXEC_FILE) += purgatory/ diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 5d0bf1aa9dc..36327438caf 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -23,6 +23,7 @@ config X86 def_bool y select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI select ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS + select ARCH_HAS_FAST_MULTIPLIER select ARCH_MIGHT_HAVE_PC_PARPORT select ARCH_MIGHT_HAVE_PC_SERIO select HAVE_AOUT if X86_32 @@ -1585,9 +1586,6 @@ source kernel/Kconfig.hz config KEXEC bool "kexec system call" - select BUILD_BIN2C - select CRYPTO - select CRYPTO_SHA256 ---help--- kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot @@ -1602,9 +1600,22 @@ config KEXEC interface is strongly in flux, so no good recommendation can be made. +config KEXEC_FILE + bool "kexec file based system call" + select BUILD_BIN2C + depends on KEXEC + depends on X86_64 + depends on CRYPTO=y + depends on CRYPTO_SHA256=y + ---help--- + This is new version of kexec system call. This system call is + file based and takes file descriptors as system call argument + for kernel and initramfs as opposed to list of segments as + accepted by previous system call. + config KEXEC_VERIFY_SIG bool "Verify kernel signature during kexec_file_load() syscall" - depends on KEXEC + depends on KEXEC_FILE ---help--- This option makes kernel signature verification mandatory for kexec_file_load() syscall. If kernel is signature can not be diff --git a/arch/x86/Makefile b/arch/x86/Makefile index c1aa3688784..60087ca3767 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -184,11 +184,8 @@ archheaders: $(Q)$(MAKE) $(build)=arch/x86/syscalls all archprepare: -ifeq ($(CONFIG_KEXEC),y) -# Build only for 64bit. No loaders for 32bit yet. - ifeq ($(CONFIG_X86_64),y) +ifeq ($(CONFIG_KEXEC_FILE),y) $(Q)$(MAKE) $(build)=arch/x86/purgatory arch/x86/purgatory/kexec-purgatory.c - endif endif ### @@ -254,6 +251,7 @@ archclean: $(Q)rm -rf $(objtree)/arch/x86_64 $(Q)$(MAKE) $(clean)=$(boot) $(Q)$(MAKE) $(clean)=arch/x86/tools + $(Q)$(MAKE) $(clean)=arch/x86/purgatory PHONY += kvmconfig kvmconfig: diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h index afcd35d331d..cfe3b954d5e 100644 --- a/arch/x86/include/asm/bitops.h +++ b/arch/x86/include/asm/bitops.h @@ -497,8 +497,6 @@ static __always_inline int fls64(__u64 x) #include <asm-generic/bitops/sched.h> -#define ARCH_HAS_FAST_MULTIPLIER 1 - #include <asm/arch_hweight.h> #include <asm-generic/bitops/const_hweight.h> diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h index 0aeed5ca356..478c490f365 100644 --- a/arch/x86/include/asm/io_apic.h +++ b/arch/x86/include/asm/io_apic.h @@ -227,6 +227,8 @@ static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned extern void io_apic_eoi(unsigned int apic, unsigned int vector); +extern bool mp_should_keep_irq(struct device *dev); + #else /* !CONFIG_X86_IO_APIC */ #define io_apic_assign_pci_irqs 0 diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 0ec05601261..aa97a070f09 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -131,8 +131,13 @@ static inline int pte_exec(pte_t pte) static inline int pte_special(pte_t pte) { - return (pte_flags(pte) & (_PAGE_PRESENT|_PAGE_SPECIAL)) == - (_PAGE_PRESENT|_PAGE_SPECIAL); + /* + * See CONFIG_NUMA_BALANCING pte_numa in include/asm-generic/pgtable.h. + * On x86 we have _PAGE_BIT_NUMA == _PAGE_BIT_GLOBAL+1 == + * __PAGE_BIT_SOFTW1 == _PAGE_BIT_SPECIAL. + */ + return (pte_flags(pte) & _PAGE_SPECIAL) && + (pte_flags(pte) & (_PAGE_PRESENT|_PAGE_PROTNONE)); } static inline unsigned long pte_pfn(pte_t pte) diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h index 5be9063545d..3874693c0e5 100644 --- a/arch/x86/include/asm/pgtable_64.h +++ b/arch/x86/include/asm/pgtable_64.h @@ -19,6 +19,7 @@ extern pud_t level3_ident_pgt[512]; extern pmd_t level2_kernel_pgt[512]; extern pmd_t level2_fixmap_pgt[512]; extern pmd_t level2_ident_pgt[512]; +extern pte_t level1_fixmap_pgt[512]; extern pgd_t init_level4_pgt[]; #define swapper_pg_dir init_level4_pgt diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index b5ea75c4a4b..ada2e2d6be3 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -71,6 +71,7 @@ obj-$(CONFIG_FTRACE_SYSCALLS) += ftrace.o obj-$(CONFIG_X86_TSC) += trace_clock.o obj-$(CONFIG_KEXEC) += machine_kexec_$(BITS).o obj-$(CONFIG_KEXEC) += relocate_kernel_$(BITS).o crash.o +obj-$(CONFIG_KEXEC_FILE) += kexec-bzimage64.o obj-$(CONFIG_CRASH_DUMP) += crash_dump_$(BITS).o obj-y += kprobes/ obj-$(CONFIG_MODULES) += module.o @@ -118,5 +119,4 @@ ifeq ($(CONFIG_X86_64),y) obj-$(CONFIG_PCI_MMCONFIG) += mmconf-fam10h_64.o obj-y += vsmp_64.o - obj-$(CONFIG_KEXEC) += kexec-bzimage64.o endif diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 29290f554e7..337ce5a9b15 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -1070,6 +1070,11 @@ static int mp_map_pin_to_irq(u32 gsi, int idx, int ioapic, int pin, } if (flags & IOAPIC_MAP_ALLOC) { + /* special handling for legacy IRQs */ + if (irq < nr_legacy_irqs() && info->count == 1 && + mp_irqdomain_map(domain, irq, pin) != 0) + irq = -1; + if (irq > 0) info->count++; else if (info->count == 0) @@ -3896,7 +3901,15 @@ int mp_irqdomain_map(struct irq_domain *domain, unsigned int virq, info->polarity = 1; } info->node = NUMA_NO_NODE; - info->set = 1; + + /* + * setup_IO_APIC_irqs() programs all legacy IRQs with default + * trigger and polarity attributes. Don't set the flag for that + * case so the first legacy IRQ user could reprogram the pin + * with real trigger and polarity attributes. + */ + if (virq >= nr_legacy_irqs() || info->count) + info->set = 1; } set_io_apic_irq_attr(&attr, ioapic, hwirq, info->trigger, info->polarity); @@ -3946,6 +3959,18 @@ int mp_set_gsi_attr(u32 gsi, int trigger, int polarity, int node) return ret; } +bool mp_should_keep_irq(struct device *dev) +{ + if (dev->power.is_prepared) + return true; +#ifdef CONFIG_PM_RUNTIME + if (dev->power.runtime_status == RPM_SUSPENDING) + return true; +#endif + + return false; +} + /* Enable IOAPIC early just for system timer */ void __init pre_init_apic_IRQ0(void) { diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c index 0553a34fa0d..a618fcd2c07 100644 --- a/arch/x86/kernel/crash.c +++ b/arch/x86/kernel/crash.c @@ -182,8 +182,7 @@ void native_machine_crash_shutdown(struct pt_regs *regs) crash_save_cpu(regs, safe_smp_processor_id()); } -#ifdef CONFIG_X86_64 - +#ifdef CONFIG_KEXEC_FILE static int get_nr_ram_ranges_callback(unsigned long start_pfn, unsigned long nr_pfn, void *arg) { @@ -696,5 +695,4 @@ int crash_load_segments(struct kimage *image) return ret; } - -#endif /* CONFIG_X86_64 */ +#endif /* CONFIG_KEXEC_FILE */ diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c index 1e6cff5814f..44f1ed42fdf 100644 --- a/arch/x86/kernel/irqinit.c +++ b/arch/x86/kernel/irqinit.c @@ -203,7 +203,7 @@ void __init native_init_IRQ(void) set_intr_gate(i, interrupt[i - FIRST_EXTERNAL_VECTOR]); } - if (!acpi_ioapic && !of_ioapic) + if (!acpi_ioapic && !of_ioapic && nr_legacy_irqs()) setup_irq(2, &irq2); #ifdef CONFIG_X86_32 diff --git a/arch/x86/kernel/machine_kexec_64.c b/arch/x86/kernel/machine_kexec_64.c index 8b04018e5d1..485981059a4 100644 --- a/arch/x86/kernel/machine_kexec_64.c +++ b/arch/x86/kernel/machine_kexec_64.c @@ -25,9 +25,11 @@ #include <asm/debugreg.h> #include <asm/kexec-bzimage64.h> +#ifdef CONFIG_KEXEC_FILE static struct kexec_file_ops *kexec_file_loaders[] = { &kexec_bzImage64_ops, }; +#endif static void free_transition_pgtable(struct kimage *image) { @@ -178,6 +180,7 @@ static void load_segments(void) ); } +#ifdef CONFIG_KEXEC_FILE /* Update purgatory as needed after various image segments have been prepared */ static int arch_update_purgatory(struct kimage *image) { @@ -209,6 +212,12 @@ static int arch_update_purgatory(struct kimage *image) return ret; } +#else /* !CONFIG_KEXEC_FILE */ +static inline int arch_update_purgatory(struct kimage *image) +{ + return 0; +} +#endif /* CONFIG_KEXEC_FILE */ int machine_kexec_prepare(struct kimage *image) { @@ -329,6 +338,7 @@ void arch_crash_save_vmcoreinfo(void) /* arch-dependent functionality related to kexec file-based syscall */ +#ifdef CONFIG_KEXEC_FILE int arch_kexec_kernel_image_probe(struct kimage *image, void *buf, unsigned long buf_len) { @@ -522,3 +532,4 @@ overflow: (int)ELF64_R_TYPE(rel[i].r_info), value); return -ENOEXEC; } +#endif /* CONFIG_KEXEC_FILE */ diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c index bf7ef5ce29d..0fa29609b2c 100644 --- a/arch/x86/kernel/time.c +++ b/arch/x86/kernel/time.c @@ -68,6 +68,8 @@ static struct irqaction irq0 = { void __init setup_default_timer_irq(void) { + if (!nr_legacy_irqs()) + return; setup_irq(0, &irq0); } diff --git a/arch/x86/pci/intel_mid_pci.c b/arch/x86/pci/intel_mid_pci.c index 3865116c51f..b9958c36407 100644 --- a/arch/x86/pci/intel_mid_pci.c +++ b/arch/x86/pci/intel_mid_pci.c @@ -229,7 +229,7 @@ static int intel_mid_pci_irq_enable(struct pci_dev *dev) static void intel_mid_pci_irq_disable(struct pci_dev *dev) { - if (!dev->dev.power.is_prepared && dev->irq > 0) + if (!mp_should_keep_irq(&dev->dev) && dev->irq > 0) mp_unmap_irq(dev->irq); } diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c index bc1a2c34189..eb500c2592a 100644 --- a/arch/x86/pci/irq.c +++ b/arch/x86/pci/irq.c @@ -1256,7 +1256,7 @@ static int pirq_enable_irq(struct pci_dev *dev) static void pirq_disable_irq(struct pci_dev *dev) { - if (io_apic_assign_pci_irqs && !dev->dev.power.is_prepared && + if (io_apic_assign_pci_irqs && !mp_should_keep_irq(&dev->dev) && dev->irq) { mp_unmap_irq(dev->irq); dev->irq = 0; diff --git a/arch/x86/purgatory/Makefile b/arch/x86/purgatory/Makefile index 7fde9ee438a..899dd245425 100644 --- a/arch/x86/purgatory/Makefile +++ b/arch/x86/purgatory/Makefile @@ -11,6 +11,7 @@ targets += purgatory.ro # sure how to relocate those. Like kexec-tools, use custom flags. KBUILD_CFLAGS := -fno-strict-aliasing -Wall -Wstrict-prototypes -fno-zero-initialized-in-bss -fno-builtin -ffreestanding -c -MD -Os -mcmodel=large +KBUILD_CFLAGS += -m$(BITS) $(obj)/purgatory.ro: $(PURGATORY_OBJS) FORCE $(call if_changed,ld) @@ -24,7 +25,4 @@ $(obj)/kexec-purgatory.c: $(obj)/purgatory.ro FORCE $(call if_changed,bin2c) -# No loaders for 32bits yet. -ifeq ($(CONFIG_X86_64),y) - obj-$(CONFIG_KEXEC) += kexec-purgatory.o -endif +obj-$(CONFIG_KEXEC_FILE) += kexec-purgatory.o diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index e8a1201c329..16fb0099b7f 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -1866,12 +1866,11 @@ static void __init check_pt_base(unsigned long *pt_base, unsigned long *pt_end, * * We can construct this by grafting the Xen provided pagetable into * head_64.S's preconstructed pagetables. We copy the Xen L2's into - * level2_ident_pgt, level2_kernel_pgt and level2_fixmap_pgt. This - * means that only the kernel has a physical mapping to start with - - * but that's enough to get __va working. We need to fill in the rest - * of the physical mapping once some sort of allocator has been set - * up. - * NOTE: for PVH, the page tables are native. + * level2_ident_pgt, and level2_kernel_pgt. This means that only the + * kernel has a physical mapping to start with - but that's enough to + * get __va working. We need to fill in the rest of the physical + * mapping once some sort of allocator has been set up. NOTE: for + * PVH, the page tables are native. */ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn) { @@ -1902,8 +1901,11 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn) /* L3_i[0] -> level2_ident_pgt */ convert_pfn_mfn(level3_ident_pgt); /* L3_k[510] -> level2_kernel_pgt - * L3_i[511] -> level2_fixmap_pgt */ + * L3_k[511] -> level2_fixmap_pgt */ convert_pfn_mfn(level3_kernel_pgt); + + /* L3_k[511][506] -> level1_fixmap_pgt */ + convert_pfn_mfn(level2_fixmap_pgt); } /* We get [511][511] and have Xen's version of level2_kernel_pgt */ l3 = m2v(pgd[pgd_index(__START_KERNEL_map)].pgd); @@ -1913,21 +1915,15 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn) addr[1] = (unsigned long)l3; addr[2] = (unsigned long)l2; /* Graft it onto L4[272][0]. Note that we creating an aliasing problem: - * Both L4[272][0] and L4[511][511] have entries that point to the same + * Both L4[272][0] and L4[511][510] have entries that point to the same * L2 (PMD) tables. Meaning that if you modify it in __va space * it will be also modified in the __ka space! (But if you just * modify the PMD table to point to other PTE's or none, then you * are OK - which is what cleanup_highmap does) */ copy_page(level2_ident_pgt, l2); - /* Graft it onto L4[511][511] */ + /* Graft it onto L4[511][510] */ copy_page(level2_kernel_pgt, l2); - /* Get [511][510] and graft that in level2_fixmap_pgt */ - l3 = m2v(pgd[pgd_index(__START_KERNEL_map + PMD_SIZE)].pgd); - l2 = m2v(l3[pud_index(__START_KERNEL_map + PMD_SIZE)].pud); - copy_page(level2_fixmap_pgt, l2); - /* Note that we don't do anything with level1_fixmap_pgt which - * we don't need. */ if (!xen_feature(XENFEAT_auto_translated_physmap)) { /* Make pagetable pieces RO */ set_page_prot(init_level4_pgt, PAGE_KERNEL_RO); @@ -1937,6 +1933,7 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn) set_page_prot(level2_ident_pgt, PAGE_KERNEL_RO); set_page_prot(level2_kernel_pgt, PAGE_KERNEL_RO); set_page_prot(level2_fixmap_pgt, PAGE_KERNEL_RO); + set_page_prot(level1_fixmap_pgt, PAGE_KERNEL_RO); /* Pin down new L4 */ pin_pagetable_pfn(MMUEXT_PIN_L4_TABLE, diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 3a617af60d4..49c6c3d9444 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -4,24 +4,23 @@ config ZONE_DMA config XTENSA def_bool y select ARCH_WANT_FRAME_POINTERS - select HAVE_IDE - select GENERIC_ATOMIC64 - select GENERIC_CLOCKEVENTS - select VIRT_TO_BUS - select GENERIC_IRQ_SHOW - select GENERIC_SCHED_CLOCK - select MODULES_USE_ELF_RELA - select GENERIC_PCI_IOMAP select ARCH_WANT_IPC_PARSE_VERSION select ARCH_WANT_OPTIONAL_GPIOLIB select BUILDTIME_EXTABLE_SORT select CLONE_BACKWARDS - select IRQ_DOMAIN - select HAVE_OPROFILE + select COMMON_CLK + select GENERIC_ATOMIC64 + select GENERIC_CLOCKEVENTS + select GENERIC_IRQ_SHOW + select GENERIC_PCI_IOMAP + select GENERIC_SCHED_CLOCK select HAVE_FUNCTION_TRACER select HAVE_IRQ_TIME_ACCOUNTING + select HAVE_OPROFILE select HAVE_PERF_EVENTS - select COMMON_CLK + select IRQ_DOMAIN + select MODULES_USE_ELF_RELA + select VIRT_TO_BUS help Xtensa processors are 32-bit RISC machines designed by Tensilica primarily for embedded systems. These processors are both @@ -62,7 +61,9 @@ config TRACE_IRQFLAGS_SUPPORT def_bool y config MMU - def_bool n + bool + default n if !XTENSA_VARIANT_CUSTOM + default XTENSA_VARIANT_MMU if XTENSA_VARIANT_CUSTOM config VARIANT_IRQ_SWITCH def_bool n @@ -102,8 +103,40 @@ config XTENSA_VARIANT_S6000 select VARIANT_IRQ_SWITCH select ARCH_REQUIRE_GPIOLIB select XTENSA_CALIBRATE_CCOUNT + +config XTENSA_VARIANT_CUSTOM + bool "Custom Xtensa processor configuration" + select MAY_HAVE_SMP + select HAVE_XTENSA_GPIO32 + help + Select this variant to use a custom Xtensa processor configuration. + You will be prompted for a processor variant CORENAME. endchoice +config XTENSA_VARIANT_CUSTOM_NAME + string "Xtensa Processor Custom Core Variant Name" + depends on XTENSA_VARIANT_CUSTOM + help + Provide the name of a custom Xtensa processor variant. + This CORENAME selects arch/xtensa/variant/CORENAME. + Dont forget you have to select MMU if you have one. + +config XTENSA_VARIANT_NAME + string + default "dc232b" if XTENSA_VARIANT_DC232B + default "dc233c" if XTENSA_VARIANT_DC233C + default "fsf" if XTENSA_VARIANT_FSF + default "s6000" if XTENSA_VARIANT_S6000 + default XTENSA_VARIANT_CUSTOM_NAME if XTENSA_VARIANT_CUSTOM + +config XTENSA_VARIANT_MMU + bool "Core variant has a Full MMU (TLB, Pages, Protection, etc)" + depends on XTENSA_VARIANT_CUSTOM + default y + help + Build a Conventional Kernel with full MMU support, + ie: it supports a TLB with auto-loading, page protection. + config XTENSA_UNALIGNED_USER bool "Unaligned memory access in use space" help @@ -156,13 +189,9 @@ config HOTPLUG_CPU Say N if you want to disable CPU hotplug. -config MATH_EMULATION - bool "Math emulation" - help - Can we use information of configuration file? - config INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX bool "Initialize Xtensa MMU inside the Linux kernel code" + depends on MMU default y help Earlier version initialized the MMU in the exception vector @@ -192,6 +221,7 @@ config INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX config HIGHMEM bool "High Memory Support" + depends on MMU help Linux can use the full amount of RAM in the system by default. However, the default MMUv2 setup only maps the @@ -208,6 +238,32 @@ config HIGHMEM If unsure, say Y. +config FAST_SYSCALL_XTENSA + bool "Enable fast atomic syscalls" + default n + help + fast_syscall_xtensa is a syscall that can make atomic operations + on UP kernel when processor has no s32c1i support. + + This syscall is deprecated. It may have issues when called with + invalid arguments. It is provided only for backwards compatibility. + Only enable it if your userspace software requires it. + + If unsure, say N. + +config FAST_SYSCALL_SPILL_REGISTERS + bool "Enable spill registers syscall" + default n + help + fast_syscall_spill_registers is a syscall that spills all active + register windows of a calling userspace task onto its stack. + + This syscall is deprecated. It may have issues when called with + invalid arguments. It is provided only for backwards compatibility. + Only enable it if your userspace software requires it. + + If unsure, say N. + endmenu config XTENSA_CALIBRATE_CCOUNT @@ -250,12 +306,14 @@ config XTENSA_PLATFORM_ISS config XTENSA_PLATFORM_XT2000 bool "XT2000" + select HAVE_IDE help XT2000 is the name of Tensilica's feature-rich emulation platform. This hardware is capable of running a full Linux distribution. config XTENSA_PLATFORM_S6105 bool "S6105" + select HAVE_IDE select SERIAL_CONSOLE select NO_IOPORT_MAP diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile index 81250ece306..472533064b4 100644 --- a/arch/xtensa/Makefile +++ b/arch/xtensa/Makefile @@ -4,6 +4,7 @@ # for more details. # # Copyright (C) 2001 - 2005 Tensilica Inc. +# Copyright (C) 2014 Cadence Design Systems Inc. # # This file is included by the global makefile so that you can add your own # architecture-specific flags and dependencies. Remember to do have actions @@ -13,11 +14,7 @@ # Core configuration. # (Use VAR=<xtensa_config> to use another default compiler.) -variant-$(CONFIG_XTENSA_VARIANT_FSF) := fsf -variant-$(CONFIG_XTENSA_VARIANT_DC232B) := dc232b -variant-$(CONFIG_XTENSA_VARIANT_DC233C) := dc233c -variant-$(CONFIG_XTENSA_VARIANT_S6000) := s6000 -variant-$(CONFIG_XTENSA_VARIANT_LINUX_CUSTOM) := custom +variant-y := $(patsubst "%",%,$(CONFIG_XTENSA_VARIANT_NAME)) VARIANT = $(variant-y) export VARIANT diff --git a/arch/xtensa/boot/dts/kc705.dts b/arch/xtensa/boot/dts/kc705.dts index 742a347be67..c4d17a34ab8 100644 --- a/arch/xtensa/boot/dts/kc705.dts +++ b/arch/xtensa/boot/dts/kc705.dts @@ -4,8 +4,11 @@ / { compatible = "cdns,xtensa-kc705"; + chosen { + bootargs = "earlycon=uart8250,mmio32,0xfd050020,115200n8 console=ttyS0,115200n8 ip=dhcp root=/dev/nfs rw debug memmap=0x38000000"; + }; memory@0 { device_type = "memory"; - reg = <0x00000000 0x08000000>; + reg = <0x00000000 0x38000000>; }; }; diff --git a/arch/xtensa/configs/common_defconfig b/arch/xtensa/configs/common_defconfig index f6000fe0511..721df1214bc 100644 --- a/arch/xtensa/configs/common_defconfig +++ b/arch/xtensa/configs/common_defconfig @@ -66,7 +66,6 @@ CONFIG_XTENSA_ARCH_LINUX_BE=y CONFIG_MMU=y # CONFIG_XTENSA_UNALIGNED_USER is not set # CONFIG_PREEMPT is not set -# CONFIG_MATH_EMULATION is not set # CONFIG_HIGHMEM is not set # diff --git a/arch/xtensa/configs/iss_defconfig b/arch/xtensa/configs/iss_defconfig index 1493c68352d..b966baf82ca 100644 --- a/arch/xtensa/configs/iss_defconfig +++ b/arch/xtensa/configs/iss_defconfig @@ -146,7 +146,6 @@ CONFIG_XTENSA_VARIANT_FSF=y # CONFIG_XTENSA_VARIANT_S6000 is not set # CONFIG_XTENSA_UNALIGNED_USER is not set # CONFIG_PREEMPT is not set -# CONFIG_MATH_EMULATION is not set CONFIG_XTENSA_CALIBRATE_CCOUNT=y CONFIG_SERIAL_CONSOLE=y CONFIG_XTENSA_ISS_NETWORK=y @@ -308,7 +307,7 @@ CONFIG_MISC_DEVICES=y # EEPROM support # # CONFIG_EEPROM_93CX6 is not set -CONFIG_HAVE_IDE=y +# CONFIG_HAVE_IDE is not set # CONFIG_IDE is not set # diff --git a/arch/xtensa/configs/s6105_defconfig b/arch/xtensa/configs/s6105_defconfig index 12a492ab6d1..9471265b8ca 100644 --- a/arch/xtensa/configs/s6105_defconfig +++ b/arch/xtensa/configs/s6105_defconfig @@ -109,7 +109,6 @@ CONFIG_VARIANT_IRQ_SWITCH=y CONFIG_XTENSA_VARIANT_S6000=y # CONFIG_XTENSA_UNALIGNED_USER is not set CONFIG_PREEMPT=y -# CONFIG_MATH_EMULATION is not set # CONFIG_HIGHMEM is not set CONFIG_XTENSA_CALIBRATE_CCOUNT=y CONFIG_SERIAL_CONSOLE=y diff --git a/arch/xtensa/include/asm/cacheflush.h b/arch/xtensa/include/asm/cacheflush.h index 555a98a1845..e72aaca7a77 100644 --- a/arch/xtensa/include/asm/cacheflush.h +++ b/arch/xtensa/include/asm/cacheflush.h @@ -37,6 +37,7 @@ * specials for cache aliasing: * * __flush_invalidate_dcache_page_alias(vaddr,paddr) + * __invalidate_dcache_page_alias(vaddr,paddr) * __invalidate_icache_page_alias(vaddr,paddr) */ @@ -62,6 +63,7 @@ extern void __flush_invalidate_dcache_range(unsigned long, unsigned long); #if defined(CONFIG_MMU) && (DCACHE_WAY_SIZE > PAGE_SIZE) extern void __flush_invalidate_dcache_page_alias(unsigned long, unsigned long); +extern void __invalidate_dcache_page_alias(unsigned long, unsigned long); #else static inline void __flush_invalidate_dcache_page_alias(unsigned long virt, unsigned long phys) { } diff --git a/arch/xtensa/include/asm/fixmap.h b/arch/xtensa/include/asm/fixmap.h index 9f6c33d0428..62b507deea9 100644 --- a/arch/xtensa/include/asm/fixmap.h +++ b/arch/xtensa/include/asm/fixmap.h @@ -23,8 +23,8 @@ * Here we define all the compile-time 'special' virtual * addresses. The point is to have a constant address at * compile time, but to set the physical address only - * in the boot process. We allocate these special addresses - * from the end of the consistent memory region backwards. + * in the boot process. We allocate these special addresses + * from the start of the consistent memory region upwards. * Also this lets us do fail-safe vmalloc(), we * can guarantee that these special addresses and * vmalloc()-ed addresses never overlap. @@ -38,7 +38,8 @@ enum fixed_addresses { #ifdef CONFIG_HIGHMEM /* reserved pte's for temporary kernel mappings */ FIX_KMAP_BEGIN, - FIX_KMAP_END = FIX_KMAP_BEGIN + (KM_TYPE_NR * NR_CPUS) - 1, + FIX_KMAP_END = FIX_KMAP_BEGIN + + (KM_TYPE_NR * NR_CPUS * DCACHE_N_COLORS) - 1, #endif __end_of_fixed_addresses }; @@ -47,7 +48,28 @@ enum fixed_addresses { #define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) #define FIXADDR_START ((FIXADDR_TOP - FIXADDR_SIZE) & PMD_MASK) -#include <asm-generic/fixmap.h> +#define __fix_to_virt(x) (FIXADDR_START + ((x) << PAGE_SHIFT)) +#define __virt_to_fix(x) (((x) - FIXADDR_START) >> PAGE_SHIFT) + +#ifndef __ASSEMBLY__ +/* + * 'index to address' translation. If anyone tries to use the idx + * directly without translation, we catch the bug with a NULL-deference + * kernel oops. Illegal ranges of incoming indices are caught too. + */ +static __always_inline unsigned long fix_to_virt(const unsigned int idx) +{ + BUILD_BUG_ON(idx >= __end_of_fixed_addresses); + return __fix_to_virt(idx); +} + +static inline unsigned long virt_to_fix(const unsigned long vaddr) +{ + BUG_ON(vaddr >= FIXADDR_TOP || vaddr < FIXADDR_START); + return __virt_to_fix(vaddr); +} + +#endif #define kmap_get_fixmap_pte(vaddr) \ pte_offset_kernel( \ diff --git a/arch/xtensa/include/asm/highmem.h b/arch/xtensa/include/asm/highmem.h index 2653ef5d55f..2c7901edffa 100644 --- a/arch/xtensa/include/asm/highmem.h +++ b/arch/xtensa/include/asm/highmem.h @@ -12,19 +12,55 @@ #ifndef _XTENSA_HIGHMEM_H #define _XTENSA_HIGHMEM_H +#include <linux/wait.h> #include <asm/cacheflush.h> #include <asm/fixmap.h> #include <asm/kmap_types.h> #include <asm/pgtable.h> -#define PKMAP_BASE (FIXADDR_START - PMD_SIZE) -#define LAST_PKMAP PTRS_PER_PTE +#define PKMAP_BASE ((FIXADDR_START - \ + (LAST_PKMAP + 1) * PAGE_SIZE) & PMD_MASK) +#define LAST_PKMAP (PTRS_PER_PTE * DCACHE_N_COLORS) #define LAST_PKMAP_MASK (LAST_PKMAP - 1) #define PKMAP_NR(virt) (((virt) - PKMAP_BASE) >> PAGE_SHIFT) #define PKMAP_ADDR(nr) (PKMAP_BASE + ((nr) << PAGE_SHIFT)) #define kmap_prot PAGE_KERNEL +#if DCACHE_WAY_SIZE > PAGE_SIZE +#define get_pkmap_color get_pkmap_color +static inline int get_pkmap_color(struct page *page) +{ + return DCACHE_ALIAS(page_to_phys(page)); +} + +extern unsigned int last_pkmap_nr_arr[]; + +static inline unsigned int get_next_pkmap_nr(unsigned int color) +{ + last_pkmap_nr_arr[color] = + (last_pkmap_nr_arr[color] + DCACHE_N_COLORS) & LAST_PKMAP_MASK; + return last_pkmap_nr_arr[color] + color; +} + +static inline int no_more_pkmaps(unsigned int pkmap_nr, unsigned int color) +{ + return pkmap_nr < DCACHE_N_COLORS; +} + +static inline int get_pkmap_entries_count(unsigned int color) +{ + return LAST_PKMAP / DCACHE_N_COLORS; +} + +extern wait_queue_head_t pkmap_map_wait_arr[]; + +static inline wait_queue_head_t *get_pkmap_wait_queue_head(unsigned int color) +{ + return pkmap_map_wait_arr + color; +} +#endif + extern pte_t *pkmap_page_table; void *kmap_high(struct page *page); diff --git a/arch/xtensa/include/asm/page.h b/arch/xtensa/include/asm/page.h index 47f582333f6..abe24c6f8b2 100644 --- a/arch/xtensa/include/asm/page.h +++ b/arch/xtensa/include/asm/page.h @@ -78,7 +78,9 @@ # define DCACHE_ALIAS_EQ(a,b) ((((a) ^ (b)) & DCACHE_ALIAS_MASK) == 0) #else # define DCACHE_ALIAS_ORDER 0 +# define DCACHE_ALIAS(a) ((void)(a), 0) #endif +#define DCACHE_N_COLORS (1 << DCACHE_ALIAS_ORDER) #if ICACHE_WAY_SIZE > PAGE_SIZE # define ICACHE_ALIAS_ORDER (ICACHE_WAY_SHIFT - PAGE_SHIFT) @@ -134,6 +136,7 @@ static inline __attribute_const__ int get_order(unsigned long size) #endif struct page; +struct vm_area_struct; extern void clear_page(void *page); extern void copy_page(void *to, void *from); @@ -143,8 +146,15 @@ extern void copy_page(void *to, void *from); */ #if DCACHE_WAY_SIZE > PAGE_SIZE -extern void clear_user_page(void*, unsigned long, struct page*); -extern void copy_user_page(void*, void*, unsigned long, struct page*); +extern void clear_page_alias(void *vaddr, unsigned long paddr); +extern void copy_page_alias(void *to, void *from, + unsigned long to_paddr, unsigned long from_paddr); + +#define clear_user_highpage clear_user_highpage +void clear_user_highpage(struct page *page, unsigned long vaddr); +#define __HAVE_ARCH_COPY_USER_HIGHPAGE +void copy_user_highpage(struct page *to, struct page *from, + unsigned long vaddr, struct vm_area_struct *vma); #else # define clear_user_page(page, vaddr, pg) clear_page(page) # define copy_user_page(to, from, vaddr, pg) copy_page(to, from) diff --git a/arch/xtensa/include/asm/pgtable.h b/arch/xtensa/include/asm/pgtable.h index 4b0ca35a93b..b2173e5da60 100644 --- a/arch/xtensa/include/asm/pgtable.h +++ b/arch/xtensa/include/asm/pgtable.h @@ -67,7 +67,12 @@ #define VMALLOC_START 0xC0000000 #define VMALLOC_END 0xC7FEFFFF #define TLBTEMP_BASE_1 0xC7FF0000 -#define TLBTEMP_BASE_2 0xC7FF8000 +#define TLBTEMP_BASE_2 (TLBTEMP_BASE_1 + DCACHE_WAY_SIZE) +#if 2 * DCACHE_WAY_SIZE > ICACHE_WAY_SIZE +#define TLBTEMP_SIZE (2 * DCACHE_WAY_SIZE) +#else +#define TLBTEMP_SIZE ICACHE_WAY_SIZE +#endif /* * For the Xtensa architecture, the PTE layout is as follows: diff --git a/arch/xtensa/include/asm/uaccess.h b/arch/xtensa/include/asm/uaccess.h index fd686dc45d1..c7211e7e182 100644 --- a/arch/xtensa/include/asm/uaccess.h +++ b/arch/xtensa/include/asm/uaccess.h @@ -52,7 +52,12 @@ */ .macro get_fs ad, sp GET_CURRENT(\ad,\sp) +#if THREAD_CURRENT_DS > 1020 + addi \ad, \ad, TASK_THREAD + l32i \ad, \ad, THREAD_CURRENT_DS - TASK_THREAD +#else l32i \ad, \ad, THREAD_CURRENT_DS +#endif .endm /* diff --git a/arch/xtensa/include/uapi/asm/ioctls.h b/arch/xtensa/include/uapi/asm/ioctls.h index b4cb1100c0f..a47909f0c34 100644 --- a/arch/xtensa/include/uapi/asm/ioctls.h +++ b/arch/xtensa/include/uapi/asm/ioctls.h @@ -28,17 +28,17 @@ #define TCSETSW 0x5403 #define TCSETSF 0x5404 -#define TCGETA _IOR('t', 23, struct termio) -#define TCSETA _IOW('t', 24, struct termio) -#define TCSETAW _IOW('t', 25, struct termio) -#define TCSETAF _IOW('t', 28, struct termio) +#define TCGETA 0x80127417 /* _IOR('t', 23, struct termio) */ +#define TCSETA 0x40127418 /* _IOW('t', 24, struct termio) */ +#define TCSETAW 0x40127419 /* _IOW('t', 25, struct termio) */ +#define TCSETAF 0x4012741C /* _IOW('t', 28, struct termio) */ #define TCSBRK _IO('t', 29) #define TCXONC _IO('t', 30) #define TCFLSH _IO('t', 31) -#define TIOCSWINSZ _IOW('t', 103, struct winsize) -#define TIOCGWINSZ _IOR('t', 104, struct winsize) +#define TIOCSWINSZ 0x40087467 /* _IOW('t', 103, struct winsize) */ +#define TIOCGWINSZ 0x80087468 /* _IOR('t', 104, struct winsize) */ #define TIOCSTART _IO('t', 110) /* start output, like ^Q */ #define TIOCSTOP _IO('t', 111) /* stop output, like ^S */ #define TIOCOUTQ _IOR('t', 115, int) /* output queue size */ @@ -88,7 +88,6 @@ #define TIOCSETD _IOW('T', 35, int) #define TIOCGETD _IOR('T', 36, int) #define TCSBRKP _IOW('T', 37, int) /* Needed for POSIX tcsendbreak()*/ -#define TIOCTTYGSTRUCT _IOR('T', 38, struct tty_struct) /* For debugging only*/ #define TIOCSBRK _IO('T', 39) /* BSD compatibility */ #define TIOCCBRK _IO('T', 40) /* BSD compatibility */ #define TIOCGSID _IOR('T', 41, pid_t) /* Return the session ID of FD*/ @@ -114,8 +113,10 @@ #define TIOCSERGETLSR _IOR('T', 89, unsigned int) /* Get line status reg. */ /* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ # define TIOCSER_TEMT 0x01 /* Transmitter physically empty */ -#define TIOCSERGETMULTI _IOR('T', 90, struct serial_multiport_struct) /* Get multiport config */ -#define TIOCSERSETMULTI _IOW('T', 91, struct serial_multiport_struct) /* Set multiport config */ +#define TIOCSERGETMULTI 0x80a8545a /* Get multiport config */ + /* _IOR('T', 90, struct serial_multiport_struct) */ +#define TIOCSERSETMULTI 0x40a8545b /* Set multiport config */ + /* _IOW('T', 91, struct serial_multiport_struct) */ #define TIOCMIWAIT _IO('T', 92) /* wait for a change on serial input line(s) */ #define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ diff --git a/arch/xtensa/include/uapi/asm/unistd.h b/arch/xtensa/include/uapi/asm/unistd.h index b9395529f02..8883fc877c5 100644 --- a/arch/xtensa/include/uapi/asm/unistd.h +++ b/arch/xtensa/include/uapi/asm/unistd.h @@ -739,7 +739,10 @@ __SYSCALL(334, sys_sched_setattr, 2) #define __NR_sched_getattr 335 __SYSCALL(335, sys_sched_getattr, 3) -#define __NR_syscall_count 336 +#define __NR_renameat2 336 +__SYSCALL(336, sys_renameat2, 5) + +#define __NR_syscall_count 337 /* * sysxtensa syscall handler diff --git a/arch/xtensa/kernel/align.S b/arch/xtensa/kernel/align.S index d4cef6039a5..890004af03a 100644 --- a/arch/xtensa/kernel/align.S +++ b/arch/xtensa/kernel/align.S @@ -8,6 +8,7 @@ * this archive for more details. * * Copyright (C) 2001 - 2005 Tensilica, Inc. + * Copyright (C) 2014 Cadence Design Systems Inc. * * Rewritten by Chris Zankel <chris@zankel.net> * @@ -174,6 +175,10 @@ ENTRY(fast_unaligned) s32i a0, a2, PT_AREG2 s32i a3, a2, PT_AREG3 + rsr a3, excsave1 + movi a4, fast_unaligned_fixup + s32i a4, a3, EXC_TABLE_FIXUP + /* Keep value of SAR in a0 */ rsr a0, sar @@ -225,10 +230,6 @@ ENTRY(fast_unaligned) addx8 a5, a6, a5 jx a5 # jump into table - /* Invalid instruction, CRITICAL! */ -.Linvalid_instruction_load: - j .Linvalid_instruction - /* Load: Load memory address. */ .Lload: movi a3, ~3 @@ -272,18 +273,6 @@ ENTRY(fast_unaligned) /* Set target register. */ 1: - -#if XCHAL_HAVE_LOOPS - rsr a5, lend # check if we reached LEND - bne a7, a5, 1f - rsr a5, lcount # and LCOUNT != 0 - beqz a5, 1f - addi a5, a5, -1 # decrement LCOUNT and set - rsr a7, lbeg # set PC to LBEGIN - wsr a5, lcount -#endif - -1: wsr a7, epc1 # skip load instruction extui a4, a4, INSN_T, 4 # extract target register movi a5, .Lload_table addx8 a4, a4, a5 @@ -326,6 +315,35 @@ ENTRY(fast_unaligned) mov a3, a14 ; _j 1f; .align 8 mov a3, a15 ; _j 1f; .align 8 + /* We cannot handle this exception. */ + + .extern _kernel_exception +.Linvalid_instruction_load: +.Linvalid_instruction_store: + + movi a4, 0 + rsr a3, excsave1 + s32i a4, a3, EXC_TABLE_FIXUP + + /* Restore a4...a8 and SAR, set SP, and jump to default exception. */ + + l32i a8, a2, PT_AREG8 + l32i a7, a2, PT_AREG7 + l32i a6, a2, PT_AREG6 + l32i a5, a2, PT_AREG5 + l32i a4, a2, PT_AREG4 + wsr a0, sar + mov a1, a2 + + rsr a0, ps + bbsi.l a0, PS_UM_BIT, 2f # jump if user mode + + movi a0, _kernel_exception + jx a0 + +2: movi a0, _user_exception + jx a0 + 1: # a7: instruction pointer, a4: instruction, a3: value movi a6, 0 # mask: ffffffff:00000000 @@ -353,17 +371,6 @@ ENTRY(fast_unaligned) /* Get memory address */ 1: -#if XCHAL_HAVE_LOOPS - rsr a4, lend # check if we reached LEND - bne a7, a4, 1f - rsr a4, lcount # and LCOUNT != 0 - beqz a4, 1f - addi a4, a4, -1 # decrement LCOUNT and set - rsr a7, lbeg # set PC to LBEGIN - wsr a4, lcount -#endif - -1: wsr a7, epc1 # skip store instruction movi a4, ~3 and a4, a4, a8 # align memory address @@ -375,25 +382,25 @@ ENTRY(fast_unaligned) #endif __ssa8r a8 - __src_b a7, a5, a6 # lo-mask F..F0..0 (BE) 0..0F..F (LE) + __src_b a8, a5, a6 # lo-mask F..F0..0 (BE) 0..0F..F (LE) __src_b a6, a6, a5 # hi-mask 0..0F..F (BE) F..F0..0 (LE) #ifdef UNALIGNED_USER_EXCEPTION l32e a5, a4, -8 #else l32i a5, a4, 0 # load lower address word #endif - and a5, a5, a7 # mask - __sh a7, a3 # shift value - or a5, a5, a7 # or with original value + and a5, a5, a8 # mask + __sh a8, a3 # shift value + or a5, a5, a8 # or with original value #ifdef UNALIGNED_USER_EXCEPTION s32e a5, a4, -8 - l32e a7, a4, -4 + l32e a8, a4, -4 #else s32i a5, a4, 0 # store - l32i a7, a4, 4 # same for upper address word + l32i a8, a4, 4 # same for upper address word #endif __sl a5, a3 - and a6, a7, a6 + and a6, a8, a6 or a6, a6, a5 #ifdef UNALIGNED_USER_EXCEPTION s32e a6, a4, -4 @@ -401,9 +408,27 @@ ENTRY(fast_unaligned) s32i a6, a4, 4 #endif - /* Done. restore stack and return */ - .Lexit: +#if XCHAL_HAVE_LOOPS + rsr a4, lend # check if we reached LEND + bne a7, a4, 1f + rsr a4, lcount # and LCOUNT != 0 + beqz a4, 1f + addi a4, a4, -1 # decrement LCOUNT and set + rsr a7, lbeg # set PC to LBEGIN + wsr a4, lcount +#endif + +1: wsr a7, epc1 # skip emulated instruction + + /* Update icount if we're single-stepping in userspace. */ + rsr a4, icountlevel + beqz a4, 1f + bgeui a4, LOCKLEVEL + 1, 1f + rsr a4, icount + addi a4, a4, 1 + wsr a4, icount +1: movi a4, 0 rsr a3, excsave1 s32i a4, a3, EXC_TABLE_FIXUP @@ -424,31 +449,40 @@ ENTRY(fast_unaligned) l32i a2, a2, PT_AREG2 rfe - /* We cannot handle this exception. */ +ENDPROC(fast_unaligned) - .extern _kernel_exception -.Linvalid_instruction_store: -.Linvalid_instruction: +ENTRY(fast_unaligned_fixup) - /* Restore a4...a8 and SAR, set SP, and jump to default exception. */ + l32i a2, a3, EXC_TABLE_DOUBLE_SAVE + wsr a3, excsave1 l32i a8, a2, PT_AREG8 l32i a7, a2, PT_AREG7 l32i a6, a2, PT_AREG6 l32i a5, a2, PT_AREG5 l32i a4, a2, PT_AREG4 + l32i a0, a2, PT_AREG2 + xsr a0, depc # restore depc and a0 wsr a0, sar - mov a1, a2 + + rsr a0, exccause + s32i a0, a2, PT_DEPC # mark as a regular exception rsr a0, ps - bbsi.l a2, PS_UM_BIT, 1f # jump if user mode + bbsi.l a0, PS_UM_BIT, 1f # jump if user mode - movi a0, _kernel_exception + rsr a0, exccause + addx4 a0, a0, a3 # find entry in table + l32i a0, a0, EXC_TABLE_FAST_KERNEL # load handler + l32i a3, a2, PT_AREG3 jx a0 - -1: movi a0, _user_exception +1: + rsr a0, exccause + addx4 a0, a0, a3 # find entry in table + l32i a0, a0, EXC_TABLE_FAST_USER # load handler + l32i a3, a2, PT_AREG3 jx a0 -ENDPROC(fast_unaligned) +ENDPROC(fast_unaligned_fixup) #endif /* XCHAL_UNALIGNED_LOAD_EXCEPTION || XCHAL_UNALIGNED_STORE_EXCEPTION */ diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S index ef7f4990722..82bbfa5a05b 100644 --- a/arch/xtensa/kernel/entry.S +++ b/arch/xtensa/kernel/entry.S @@ -986,6 +986,8 @@ ENDPROC(fast_syscall_unrecoverable) * j done */ +#ifdef CONFIG_FAST_SYSCALL_XTENSA + #define TRY \ .section __ex_table, "a"; \ .word 66f, 67f; \ @@ -1001,9 +1003,8 @@ ENTRY(fast_syscall_xtensa) movi a7, 4 # sizeof(unsigned int) access_ok a3, a7, a0, a2, .Leac # a0: scratch reg, a2: sp - addi a6, a6, -1 # assuming SYS_XTENSA_ATOMIC_SET = 1 - _bgeui a6, SYS_XTENSA_COUNT - 1, .Lill - _bnei a6, SYS_XTENSA_ATOMIC_CMP_SWP - 1, .Lnswp + _bgeui a6, SYS_XTENSA_COUNT, .Lill + _bnei a6, SYS_XTENSA_ATOMIC_CMP_SWP, .Lnswp /* Fall through for ATOMIC_CMP_SWP. */ @@ -1015,27 +1016,26 @@ TRY s32i a5, a3, 0 # different, modify value l32i a7, a2, PT_AREG7 # restore a7 l32i a0, a2, PT_AREG0 # restore a0 movi a2, 1 # and return 1 - addi a6, a6, 1 # restore a6 (really necessary?) rfe 1: l32i a7, a2, PT_AREG7 # restore a7 l32i a0, a2, PT_AREG0 # restore a0 movi a2, 0 # return 0 (note that we cannot set - addi a6, a6, 1 # restore a6 (really necessary?) rfe .Lnswp: /* Atomic set, add, and exg_add. */ TRY l32i a7, a3, 0 # orig + addi a6, a6, -SYS_XTENSA_ATOMIC_SET add a0, a4, a7 # + arg moveqz a0, a4, a6 # set + addi a6, a6, SYS_XTENSA_ATOMIC_SET TRY s32i a0, a3, 0 # write new value mov a0, a2 mov a2, a7 l32i a7, a0, PT_AREG7 # restore a7 l32i a0, a0, PT_AREG0 # restore a0 - addi a6, a6, 1 # restore a6 (really necessary?) rfe CATCH @@ -1044,13 +1044,25 @@ CATCH movi a2, -EFAULT rfe -.Lill: l32i a7, a2, PT_AREG0 # restore a7 +.Lill: l32i a7, a2, PT_AREG7 # restore a7 l32i a0, a2, PT_AREG0 # restore a0 movi a2, -EINVAL rfe ENDPROC(fast_syscall_xtensa) +#else /* CONFIG_FAST_SYSCALL_XTENSA */ + +ENTRY(fast_syscall_xtensa) + + l32i a0, a2, PT_AREG0 # restore a0 + movi a2, -ENOSYS + rfe + +ENDPROC(fast_syscall_xtensa) + +#endif /* CONFIG_FAST_SYSCALL_XTENSA */ + /* fast_syscall_spill_registers. * @@ -1066,6 +1078,8 @@ ENDPROC(fast_syscall_xtensa) * Note: We assume the stack pointer is EXC_TABLE_KSTK in the fixup handler. */ +#ifdef CONFIG_FAST_SYSCALL_SPILL_REGISTERS + ENTRY(fast_syscall_spill_registers) /* Register a FIXUP handler (pass current wb as a parameter) */ @@ -1400,6 +1414,18 @@ ENTRY(fast_syscall_spill_registers_fixup_return) ENDPROC(fast_syscall_spill_registers_fixup_return) +#else /* CONFIG_FAST_SYSCALL_SPILL_REGISTERS */ + +ENTRY(fast_syscall_spill_registers) + + l32i a0, a2, PT_AREG0 # restore a0 + movi a2, -ENOSYS + rfe + +ENDPROC(fast_syscall_spill_registers) + +#endif /* CONFIG_FAST_SYSCALL_SPILL_REGISTERS */ + #ifdef CONFIG_MMU /* * We should never get here. Bail out! @@ -1565,7 +1591,7 @@ ENTRY(fast_second_level_miss) rsr a0, excvaddr bltu a0, a3, 2f - addi a1, a0, -(2 << (DCACHE_ALIAS_ORDER + PAGE_SHIFT)) + addi a1, a0, -TLBTEMP_SIZE bgeu a1, a3, 2f /* Check if we have to restore an ITLB mapping. */ @@ -1820,7 +1846,6 @@ ENTRY(_switch_to) entry a1, 16 - mov a10, a2 # preserve 'prev' (a2) mov a11, a3 # and 'next' (a3) l32i a4, a2, TASK_THREAD_INFO @@ -1828,8 +1853,14 @@ ENTRY(_switch_to) save_xtregs_user a4 a6 a8 a9 a12 a13 THREAD_XTREGS_USER - s32i a0, a10, THREAD_RA # save return address - s32i a1, a10, THREAD_SP # save stack pointer +#if THREAD_RA > 1020 || THREAD_SP > 1020 + addi a10, a2, TASK_THREAD + s32i a0, a10, THREAD_RA - TASK_THREAD # save return address + s32i a1, a10, THREAD_SP - TASK_THREAD # save stack pointer +#else + s32i a0, a2, THREAD_RA # save return address + s32i a1, a2, THREAD_SP # save stack pointer +#endif /* Disable ints while we manipulate the stack pointer. */ @@ -1870,7 +1901,6 @@ ENTRY(_switch_to) load_xtregs_user a5 a6 a8 a9 a12 a13 THREAD_XTREGS_USER wsr a14, ps - mov a2, a10 # return 'prev' rsync retw diff --git a/arch/xtensa/kernel/pci-dma.c b/arch/xtensa/kernel/pci-dma.c index 2d9cc6dbfd7..e8b76b8e4b2 100644 --- a/arch/xtensa/kernel/pci-dma.c +++ b/arch/xtensa/kernel/pci-dma.c @@ -49,9 +49,8 @@ dma_alloc_coherent(struct device *dev,size_t size,dma_addr_t *handle,gfp_t flag) /* We currently don't support coherent memory outside KSEG */ - if (ret < XCHAL_KSEG_CACHED_VADDR - || ret >= XCHAL_KSEG_CACHED_VADDR + XCHAL_KSEG_SIZE) - BUG(); + BUG_ON(ret < XCHAL_KSEG_CACHED_VADDR || + ret > XCHAL_KSEG_CACHED_VADDR + XCHAL_KSEG_SIZE - 1); if (ret != 0) { @@ -68,10 +67,11 @@ EXPORT_SYMBOL(dma_alloc_coherent); void dma_free_coherent(struct device *hwdev, size_t size, void *vaddr, dma_addr_t dma_handle) { - long addr=(long)vaddr+XCHAL_KSEG_CACHED_VADDR-XCHAL_KSEG_BYPASS_VADDR; + unsigned long addr = (unsigned long)vaddr + + XCHAL_KSEG_CACHED_VADDR - XCHAL_KSEG_BYPASS_VADDR; - if (addr < 0 || addr >= XCHAL_KSEG_SIZE) - BUG(); + BUG_ON(addr < XCHAL_KSEG_CACHED_VADDR || + addr > XCHAL_KSEG_CACHED_VADDR + XCHAL_KSEG_SIZE - 1); free_pages(addr, get_order(size)); } diff --git a/arch/xtensa/kernel/smp.c b/arch/xtensa/kernel/smp.c index 40b5a3771fb..4d02e38514f 100644 --- a/arch/xtensa/kernel/smp.c +++ b/arch/xtensa/kernel/smp.c @@ -571,6 +571,7 @@ void flush_icache_range(unsigned long start, unsigned long end) }; on_each_cpu(ipi_flush_icache_range, &fd, 1); } +EXPORT_SYMBOL(flush_icache_range); /* ------------------------------------------------------------------------- */ diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c index eebbfd8c26f..9d2f45f010e 100644 --- a/arch/xtensa/kernel/traps.c +++ b/arch/xtensa/kernel/traps.c @@ -101,9 +101,8 @@ static dispatch_init_table_t __initdata dispatch_init_table[] = { #if XCHAL_UNALIGNED_LOAD_EXCEPTION || XCHAL_UNALIGNED_STORE_EXCEPTION #ifdef CONFIG_XTENSA_UNALIGNED_USER { EXCCAUSE_UNALIGNED, USER, fast_unaligned }, -#else -{ EXCCAUSE_UNALIGNED, 0, do_unaligned_user }, #endif +{ EXCCAUSE_UNALIGNED, 0, do_unaligned_user }, { EXCCAUSE_UNALIGNED, KRNL, fast_unaligned }, #endif #ifdef CONFIG_MMU @@ -264,7 +263,6 @@ do_illegal_instruction(struct pt_regs *regs) */ #if XCHAL_UNALIGNED_LOAD_EXCEPTION || XCHAL_UNALIGNED_STORE_EXCEPTION -#ifndef CONFIG_XTENSA_UNALIGNED_USER void do_unaligned_user (struct pt_regs *regs) { @@ -286,7 +284,6 @@ do_unaligned_user (struct pt_regs *regs) } #endif -#endif void do_debug(struct pt_regs *regs) diff --git a/arch/xtensa/kernel/vectors.S b/arch/xtensa/kernel/vectors.S index 8453e6e3989..1b397a90229 100644 --- a/arch/xtensa/kernel/vectors.S +++ b/arch/xtensa/kernel/vectors.S @@ -454,8 +454,14 @@ _DoubleExceptionVector_WindowOverflow: s32i a0, a2, PT_DEPC _DoubleExceptionVector_handle_exception: + addi a0, a0, -EXCCAUSE_UNALIGNED + beqz a0, 2f addx4 a0, a0, a3 - l32i a0, a0, EXC_TABLE_FAST_USER + l32i a0, a0, EXC_TABLE_FAST_USER + 4 * EXCCAUSE_UNALIGNED + xsr a3, excsave1 + jx a0 +2: + movi a0, user_exception xsr a3, excsave1 jx a0 diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S index d16db6df86f..fc1bc2ba8d5 100644 --- a/arch/xtensa/kernel/vmlinux.lds.S +++ b/arch/xtensa/kernel/vmlinux.lds.S @@ -269,13 +269,13 @@ SECTIONS .UserExceptionVector.literal) SECTION_VECTOR (_DoubleExceptionVector_literal, .DoubleExceptionVector.literal, - DOUBLEEXC_VECTOR_VADDR - 40, + DOUBLEEXC_VECTOR_VADDR - 48, SIZEOF(.UserExceptionVector.text), .UserExceptionVector.text) SECTION_VECTOR (_DoubleExceptionVector_text, .DoubleExceptionVector.text, DOUBLEEXC_VECTOR_VADDR, - 40, + 48, .DoubleExceptionVector.literal) . = (LOADADDR( .DoubleExceptionVector.text ) + SIZEOF( .DoubleExceptionVector.text ) + 3) & ~ 3; diff --git a/arch/xtensa/mm/cache.c b/arch/xtensa/mm/cache.c index 63cbb867dad..d75aa1476da 100644 --- a/arch/xtensa/mm/cache.c +++ b/arch/xtensa/mm/cache.c @@ -59,9 +59,68 @@ * */ -#if (DCACHE_WAY_SIZE > PAGE_SIZE) && defined(CONFIG_HIGHMEM) -#error "HIGHMEM is not supported on cores with aliasing cache." -#endif +#if (DCACHE_WAY_SIZE > PAGE_SIZE) +static inline void kmap_invalidate_coherent(struct page *page, + unsigned long vaddr) +{ + if (!DCACHE_ALIAS_EQ(page_to_phys(page), vaddr)) { + unsigned long kvaddr; + + if (!PageHighMem(page)) { + kvaddr = (unsigned long)page_to_virt(page); + + __invalidate_dcache_page(kvaddr); + } else { + kvaddr = TLBTEMP_BASE_1 + + (page_to_phys(page) & DCACHE_ALIAS_MASK); + + __invalidate_dcache_page_alias(kvaddr, + page_to_phys(page)); + } + } +} + +static inline void *coherent_kvaddr(struct page *page, unsigned long base, + unsigned long vaddr, unsigned long *paddr) +{ + if (PageHighMem(page) || !DCACHE_ALIAS_EQ(page_to_phys(page), vaddr)) { + *paddr = page_to_phys(page); + return (void *)(base + (vaddr & DCACHE_ALIAS_MASK)); + } else { + *paddr = 0; + return page_to_virt(page); + } +} + +void clear_user_highpage(struct page *page, unsigned long vaddr) +{ + unsigned long paddr; + void *kvaddr = coherent_kvaddr(page, TLBTEMP_BASE_1, vaddr, &paddr); + + pagefault_disable(); + kmap_invalidate_coherent(page, vaddr); + set_bit(PG_arch_1, &page->flags); + clear_page_alias(kvaddr, paddr); + pagefault_enable(); +} + +void copy_user_highpage(struct page *dst, struct page *src, + unsigned long vaddr, struct vm_area_struct *vma) +{ + unsigned long dst_paddr, src_paddr; + void *dst_vaddr = coherent_kvaddr(dst, TLBTEMP_BASE_1, vaddr, + &dst_paddr); + void *src_vaddr = coherent_kvaddr(src, TLBTEMP_BASE_2, vaddr, + &src_paddr); + + pagefault_disable(); + kmap_invalidate_coherent(dst, vaddr); + set_bit(PG_arch_1, &dst->flags); + copy_page_alias(dst_vaddr, src_vaddr, dst_paddr, src_paddr); + pagefault_enable(); +} + +#endif /* DCACHE_WAY_SIZE > PAGE_SIZE */ #if (DCACHE_WAY_SIZE > PAGE_SIZE) && XCHAL_DCACHE_IS_WRITEBACK @@ -103,7 +162,8 @@ void flush_dcache_page(struct page *page) if (!alias && !mapping) return; - __flush_invalidate_dcache_page((long)page_address(page)); + virt = TLBTEMP_BASE_1 + (phys & DCACHE_ALIAS_MASK); + __flush_invalidate_dcache_page_alias(virt, phys); virt = TLBTEMP_BASE_1 + (temp & DCACHE_ALIAS_MASK); @@ -168,13 +228,12 @@ update_mmu_cache(struct vm_area_struct * vma, unsigned long addr, pte_t *ptep) #if (DCACHE_WAY_SIZE > PAGE_SIZE) && XCHAL_DCACHE_IS_WRITEBACK if (!PageReserved(page) && test_bit(PG_arch_1, &page->flags)) { - - unsigned long paddr = (unsigned long) page_address(page); unsigned long phys = page_to_phys(page); - unsigned long tmp = TLBTEMP_BASE_1 + (addr & DCACHE_ALIAS_MASK); - - __flush_invalidate_dcache_page(paddr); + unsigned long tmp; + tmp = TLBTEMP_BASE_1 + (phys & DCACHE_ALIAS_MASK); + __flush_invalidate_dcache_page_alias(tmp, phys); + tmp = TLBTEMP_BASE_1 + (addr & DCACHE_ALIAS_MASK); __flush_invalidate_dcache_page_alias(tmp, phys); __invalidate_icache_page_alias(tmp, phys); diff --git a/arch/xtensa/mm/highmem.c b/arch/xtensa/mm/highmem.c index 17a8c0d6fd1..8cfb71ec093 100644 --- a/arch/xtensa/mm/highmem.c +++ b/arch/xtensa/mm/highmem.c @@ -14,23 +14,45 @@ static pte_t *kmap_pte; +#if DCACHE_WAY_SIZE > PAGE_SIZE +unsigned int last_pkmap_nr_arr[DCACHE_N_COLORS]; +wait_queue_head_t pkmap_map_wait_arr[DCACHE_N_COLORS]; + +static void __init kmap_waitqueues_init(void) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(pkmap_map_wait_arr); ++i) + init_waitqueue_head(pkmap_map_wait_arr + i); +} +#else +static inline void kmap_waitqueues_init(void) +{ +} +#endif + +static inline enum fixed_addresses kmap_idx(int type, unsigned long color) +{ + return (type + KM_TYPE_NR * smp_processor_id()) * DCACHE_N_COLORS + + color; +} + void *kmap_atomic(struct page *page) { enum fixed_addresses idx; unsigned long vaddr; - int type; pagefault_disable(); if (!PageHighMem(page)) return page_address(page); - type = kmap_atomic_idx_push(); - idx = type + KM_TYPE_NR * smp_processor_id(); + idx = kmap_idx(kmap_atomic_idx_push(), + DCACHE_ALIAS(page_to_phys(page))); vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); #ifdef CONFIG_DEBUG_HIGHMEM - BUG_ON(!pte_none(*(kmap_pte - idx))); + BUG_ON(!pte_none(*(kmap_pte + idx))); #endif - set_pte(kmap_pte - idx, mk_pte(page, PAGE_KERNEL_EXEC)); + set_pte(kmap_pte + idx, mk_pte(page, PAGE_KERNEL_EXEC)); return (void *)vaddr; } @@ -38,12 +60,10 @@ EXPORT_SYMBOL(kmap_atomic); void __kunmap_atomic(void *kvaddr) { - int idx, type; - if (kvaddr >= (void *)FIXADDR_START && kvaddr < (void *)FIXADDR_TOP) { - type = kmap_atomic_idx(); - idx = type + KM_TYPE_NR * smp_processor_id(); + int idx = kmap_idx(kmap_atomic_idx(), + DCACHE_ALIAS((unsigned long)kvaddr)); /* * Force other mappings to Oops if they'll try to access this @@ -51,7 +71,7 @@ void __kunmap_atomic(void *kvaddr) * is a bad idea also, in case the page changes cacheability * attributes or becomes a protected page in a hypervisor. */ - pte_clear(&init_mm, kvaddr, kmap_pte - idx); + pte_clear(&init_mm, kvaddr, kmap_pte + idx); local_flush_tlb_kernel_range((unsigned long)kvaddr, (unsigned long)kvaddr + PAGE_SIZE); @@ -69,4 +89,5 @@ void __init kmap_init(void) /* cache the first kmap pte */ kmap_vstart = __fix_to_virt(FIX_KMAP_BEGIN); kmap_pte = kmap_get_fixmap_pte(kmap_vstart); + kmap_waitqueues_init(); } diff --git a/arch/xtensa/mm/misc.S b/arch/xtensa/mm/misc.S index 1f68558dbcc..11a01c3e9ce 100644 --- a/arch/xtensa/mm/misc.S +++ b/arch/xtensa/mm/misc.S @@ -110,41 +110,24 @@ ENTRY(__tlbtemp_mapping_start) #if (DCACHE_WAY_SIZE > PAGE_SIZE) /* - * clear_user_page (void *addr, unsigned long vaddr, struct page *page) - * a2 a3 a4 + * clear_page_alias(void *addr, unsigned long paddr) + * a2 a3 */ -ENTRY(clear_user_page) +ENTRY(clear_page_alias) entry a1, 32 - /* Mark page dirty and determine alias. */ + /* Skip setting up a temporary DTLB if not aliased low page. */ - movi a7, (1 << PG_ARCH_1) - l32i a5, a4, PAGE_FLAGS - xor a6, a2, a3 - extui a3, a3, PAGE_SHIFT, DCACHE_ALIAS_ORDER - extui a6, a6, PAGE_SHIFT, DCACHE_ALIAS_ORDER - or a5, a5, a7 - slli a3, a3, PAGE_SHIFT - s32i a5, a4, PAGE_FLAGS + movi a5, PAGE_OFFSET + movi a6, 0 + beqz a3, 1f - /* Skip setting up a temporary DTLB if not aliased. */ - - beqz a6, 1f - - /* Invalidate kernel page. */ - - mov a10, a2 - call8 __invalidate_dcache_page - - /* Setup a temporary DTLB with the color of the VPN */ - - movi a4, ((PAGE_KERNEL | _PAGE_HW_WRITE) - PAGE_OFFSET) & 0xffffffff - movi a5, TLBTEMP_BASE_1 # virt - add a6, a2, a4 # ppn - add a2, a5, a3 # add 'color' + /* Setup a temporary DTLB for the addr. */ + addi a6, a3, (PAGE_KERNEL | _PAGE_HW_WRITE) + mov a4, a2 wdtlb a6, a2 dsync @@ -165,62 +148,43 @@ ENTRY(clear_user_page) /* We need to invalidate the temporary idtlb entry, if any. */ -1: addi a2, a2, -PAGE_SIZE - idtlb a2 +1: idtlb a4 dsync retw -ENDPROC(clear_user_page) +ENDPROC(clear_page_alias) /* - * copy_page_user (void *to, void *from, unsigned long vaddr, struct page *page) - * a2 a3 a4 a5 + * copy_page_alias(void *to, void *from, + * a2 a3 + * unsigned long to_paddr, unsigned long from_paddr) + * a4 a5 */ -ENTRY(copy_user_page) +ENTRY(copy_page_alias) entry a1, 32 - /* Mark page dirty and determine alias for destination. */ - - movi a8, (1 << PG_ARCH_1) - l32i a9, a5, PAGE_FLAGS - xor a6, a2, a4 - xor a7, a3, a4 - extui a4, a4, PAGE_SHIFT, DCACHE_ALIAS_ORDER - extui a6, a6, PAGE_SHIFT, DCACHE_ALIAS_ORDER - extui a7, a7, PAGE_SHIFT, DCACHE_ALIAS_ORDER - or a9, a9, a8 - slli a4, a4, PAGE_SHIFT - s32i a9, a5, PAGE_FLAGS - movi a5, ((PAGE_KERNEL | _PAGE_HW_WRITE) - PAGE_OFFSET) & 0xffffffff - - beqz a6, 1f - - /* Invalidate dcache */ - - mov a10, a2 - call8 __invalidate_dcache_page + /* Skip setting up a temporary DTLB for destination if not aliased. */ - /* Setup a temporary DTLB with a matching color. */ + movi a6, 0 + movi a7, 0 + beqz a4, 1f - movi a8, TLBTEMP_BASE_1 # base - add a6, a2, a5 # ppn - add a2, a8, a4 # add 'color' + /* Setup a temporary DTLB for destination. */ + addi a6, a4, (PAGE_KERNEL | _PAGE_HW_WRITE) wdtlb a6, a2 dsync - /* Skip setting up a temporary DTLB for destination if not aliased. */ + /* Skip setting up a temporary DTLB for source if not aliased. */ -1: beqz a7, 1f +1: beqz a5, 1f - /* Setup a temporary DTLB with a matching color. */ + /* Setup a temporary DTLB for source. */ - movi a8, TLBTEMP_BASE_2 # base - add a7, a3, a5 # ppn - add a3, a8, a4 + addi a7, a5, PAGE_KERNEL addi a8, a3, 1 # way1 wdtlb a7, a8 @@ -271,7 +235,7 @@ ENTRY(copy_user_page) retw -ENDPROC(copy_user_page) +ENDPROC(copy_page_alias) #endif @@ -300,6 +264,30 @@ ENTRY(__flush_invalidate_dcache_page_alias) retw ENDPROC(__flush_invalidate_dcache_page_alias) + +/* + * void __invalidate_dcache_page_alias (addr, phys) + * a2 a3 + */ + +ENTRY(__invalidate_dcache_page_alias) + + entry sp, 16 + + movi a7, 0 # required for exception handler + addi a6, a3, (PAGE_KERNEL | _PAGE_HW_WRITE) + mov a4, a2 + wdtlb a6, a2 + dsync + + ___invalidate_dcache_page a2 a3 + + idtlb a4 + dsync + + retw + +ENDPROC(__invalidate_dcache_page_alias) #endif ENTRY(__tlbtemp_mapping_itlb) diff --git a/arch/xtensa/mm/mmu.c b/arch/xtensa/mm/mmu.c index 3429b483d9f..abe4513eb0d 100644 --- a/arch/xtensa/mm/mmu.c +++ b/arch/xtensa/mm/mmu.c @@ -18,32 +18,38 @@ #include <asm/io.h> #if defined(CONFIG_HIGHMEM) -static void * __init init_pmd(unsigned long vaddr) +static void * __init init_pmd(unsigned long vaddr, unsigned long n_pages) { pgd_t *pgd = pgd_offset_k(vaddr); pmd_t *pmd = pmd_offset(pgd, vaddr); + pte_t *pte; + unsigned long i; - if (pmd_none(*pmd)) { - unsigned i; - pte_t *pte = alloc_bootmem_low_pages(PAGE_SIZE); + n_pages = ALIGN(n_pages, PTRS_PER_PTE); - for (i = 0; i < 1024; i++) - pte_clear(NULL, 0, pte + i); + pr_debug("%s: vaddr: 0x%08lx, n_pages: %ld\n", + __func__, vaddr, n_pages); - set_pmd(pmd, __pmd(((unsigned long)pte) & PAGE_MASK)); - BUG_ON(pte != pte_offset_kernel(pmd, 0)); - pr_debug("%s: vaddr: 0x%08lx, pmd: 0x%p, pte: 0x%p\n", - __func__, vaddr, pmd, pte); - return pte; - } else { - return pte_offset_kernel(pmd, 0); + pte = alloc_bootmem_low_pages(n_pages * sizeof(pte_t)); + + for (i = 0; i < n_pages; ++i) + pte_clear(NULL, 0, pte + i); + + for (i = 0; i < n_pages; i += PTRS_PER_PTE, ++pmd) { + pte_t *cur_pte = pte + i; + + BUG_ON(!pmd_none(*pmd)); + set_pmd(pmd, __pmd(((unsigned long)cur_pte) & PAGE_MASK)); + BUG_ON(cur_pte != pte_offset_kernel(pmd, 0)); + pr_debug("%s: pmd: 0x%p, pte: 0x%p\n", + __func__, pmd, cur_pte); } + return pte; } static void __init fixedrange_init(void) { - BUILD_BUG_ON(FIXADDR_SIZE > PMD_SIZE); - init_pmd(__fix_to_virt(__end_of_fixed_addresses - 1) & PMD_MASK); + init_pmd(__fix_to_virt(0), __end_of_fixed_addresses); } #endif @@ -52,7 +58,7 @@ void __init paging_init(void) memset(swapper_pg_dir, 0, PAGE_SIZE); #ifdef CONFIG_HIGHMEM fixedrange_init(); - pkmap_page_table = init_pmd(PKMAP_BASE); + pkmap_page_table = init_pmd(PKMAP_BASE, LAST_PKMAP); kmap_init(); #endif } diff --git a/block/bio-integrity.c b/block/bio-integrity.c index bc423f7b02d..f14b4abbebd 100644 --- a/block/bio-integrity.c +++ b/block/bio-integrity.c @@ -520,7 +520,7 @@ void bio_integrity_endio(struct bio *bio, int error) */ if (error) { bio->bi_end_io = bip->bip_end_io; - bio_endio(bio, error); + bio_endio_nodec(bio, error); return; } diff --git a/block/blk-core.c b/block/blk-core.c index c359d72e9d7..bf930f481d4 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1252,7 +1252,6 @@ void blk_rq_set_block_pc(struct request *rq) rq->__sector = (sector_t) -1; rq->bio = rq->biotail = NULL; memset(rq->__cmd, 0, sizeof(rq->__cmd)); - rq->cmd = rq->__cmd; } EXPORT_SYMBOL(blk_rq_set_block_pc); diff --git a/block/blk-merge.c b/block/blk-merge.c index 54535831f1e..77881798f79 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -10,10 +10,11 @@ #include "blk.h" static unsigned int __blk_recalc_rq_segments(struct request_queue *q, - struct bio *bio) + struct bio *bio, + bool no_sg_merge) { struct bio_vec bv, bvprv = { NULL }; - int cluster, high, highprv = 1, no_sg_merge; + int cluster, high, highprv = 1; unsigned int seg_size, nr_phys_segs; struct bio *fbio, *bbio; struct bvec_iter iter; @@ -35,7 +36,6 @@ static unsigned int __blk_recalc_rq_segments(struct request_queue *q, cluster = blk_queue_cluster(q); seg_size = 0; nr_phys_segs = 0; - no_sg_merge = test_bit(QUEUE_FLAG_NO_SG_MERGE, &q->queue_flags); high = 0; for_each_bio(bio) { bio_for_each_segment(bv, bio, iter) { @@ -88,18 +88,23 @@ new_segment: void blk_recalc_rq_segments(struct request *rq) { - rq->nr_phys_segments = __blk_recalc_rq_segments(rq->q, rq->bio); + bool no_sg_merge = !!test_bit(QUEUE_FLAG_NO_SG_MERGE, + &rq->q->queue_flags); + + rq->nr_phys_segments = __blk_recalc_rq_segments(rq->q, rq->bio, + no_sg_merge); } void blk_recount_segments(struct request_queue *q, struct bio *bio) { - if (test_bit(QUEUE_FLAG_NO_SG_MERGE, &q->queue_flags)) + if (test_bit(QUEUE_FLAG_NO_SG_MERGE, &q->queue_flags) && + bio->bi_vcnt < queue_max_segments(q)) bio->bi_phys_segments = bio->bi_vcnt; else { struct bio *nxt = bio->bi_next; bio->bi_next = NULL; - bio->bi_phys_segments = __blk_recalc_rq_segments(q, bio); + bio->bi_phys_segments = __blk_recalc_rq_segments(q, bio, false); bio->bi_next = nxt; } diff --git a/block/blk-mq.c b/block/blk-mq.c index 5189cb1e478..383ea0cb1f0 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -112,18 +112,22 @@ static void blk_mq_usage_counter_release(struct percpu_ref *ref) */ void blk_mq_freeze_queue(struct request_queue *q) { + bool freeze; + spin_lock_irq(q->queue_lock); - q->mq_freeze_depth++; + freeze = !q->mq_freeze_depth++; spin_unlock_irq(q->queue_lock); - percpu_ref_kill(&q->mq_usage_counter); - blk_mq_run_queues(q, false); + if (freeze) { + percpu_ref_kill(&q->mq_usage_counter); + blk_mq_run_queues(q, false); + } wait_event(q->mq_freeze_wq, percpu_ref_is_zero(&q->mq_usage_counter)); } static void blk_mq_unfreeze_queue(struct request_queue *q) { - bool wake = false; + bool wake; spin_lock_irq(q->queue_lock); wake = !--q->mq_freeze_depth; @@ -172,6 +176,8 @@ static void blk_mq_rq_ctx_init(struct request_queue *q, struct blk_mq_ctx *ctx, /* tag was already set */ rq->errors = 0; + rq->cmd = rq->__cmd; + rq->extra_len = 0; rq->sense_len = 0; rq->resid_len = 0; @@ -1068,13 +1074,17 @@ static void blk_mq_bio_to_request(struct request *rq, struct bio *bio) blk_account_io_start(rq, 1); } +static inline bool hctx_allow_merges(struct blk_mq_hw_ctx *hctx) +{ + return (hctx->flags & BLK_MQ_F_SHOULD_MERGE) && + !blk_queue_nomerges(hctx->queue); +} + static inline bool blk_mq_merge_queue_io(struct blk_mq_hw_ctx *hctx, struct blk_mq_ctx *ctx, struct request *rq, struct bio *bio) { - struct request_queue *q = hctx->queue; - - if (!(hctx->flags & BLK_MQ_F_SHOULD_MERGE)) { + if (!hctx_allow_merges(hctx)) { blk_mq_bio_to_request(rq, bio); spin_lock(&ctx->lock); insert_rq: @@ -1082,6 +1092,8 @@ insert_rq: spin_unlock(&ctx->lock); return false; } else { + struct request_queue *q = hctx->queue; + spin_lock(&ctx->lock); if (!blk_mq_attempt_merge(q, ctx, bio)) { blk_mq_bio_to_request(rq, bio); @@ -1309,6 +1321,7 @@ static void blk_mq_free_rq_map(struct blk_mq_tag_set *set, continue; set->ops->exit_request(set->driver_data, tags->rqs[i], hctx_idx, i); + tags->rqs[i] = NULL; } } @@ -1342,8 +1355,9 @@ static struct blk_mq_tags *blk_mq_init_rq_map(struct blk_mq_tag_set *set, INIT_LIST_HEAD(&tags->page_list); - tags->rqs = kmalloc_node(set->queue_depth * sizeof(struct request *), - GFP_KERNEL, set->numa_node); + tags->rqs = kzalloc_node(set->queue_depth * sizeof(struct request *), + GFP_KERNEL | __GFP_NOWARN | __GFP_NORETRY, + set->numa_node); if (!tags->rqs) { blk_mq_free_tags(tags); return NULL; @@ -1367,8 +1381,9 @@ static struct blk_mq_tags *blk_mq_init_rq_map(struct blk_mq_tag_set *set, this_order--; do { - page = alloc_pages_node(set->numa_node, GFP_KERNEL, - this_order); + page = alloc_pages_node(set->numa_node, + GFP_KERNEL | __GFP_NOWARN | __GFP_NORETRY, + this_order); if (page) break; if (!this_order--) @@ -1392,8 +1407,10 @@ static struct blk_mq_tags *blk_mq_init_rq_map(struct blk_mq_tag_set *set, if (set->ops->init_request) { if (set->ops->init_request(set->driver_data, tags->rqs[i], hctx_idx, i, - set->numa_node)) + set->numa_node)) { + tags->rqs[i] = NULL; goto fail; + } } p += rq_size; @@ -1404,7 +1421,6 @@ static struct blk_mq_tags *blk_mq_init_rq_map(struct blk_mq_tag_set *set, return tags; fail: - pr_warn("%s: failed to allocate requests\n", __func__); blk_mq_free_rq_map(set, tags, hctx_idx); return NULL; } @@ -1574,7 +1590,7 @@ static int blk_mq_init_hw_queues(struct request_queue *q, hctx->tags = set->tags[i]; /* - * Allocate space for all possible cpus to avoid allocation in + * Allocate space for all possible cpus to avoid allocation at * runtime */ hctx->ctxs = kmalloc_node(nr_cpu_ids * sizeof(void *), @@ -1662,8 +1678,8 @@ static void blk_mq_map_swqueue(struct request_queue *q) queue_for_each_hw_ctx(q, hctx, i) { /* - * If not software queues are mapped to this hardware queue, - * disable it and free the request entries + * If no software queues are mapped to this hardware queue, + * disable it and free the request entries. */ if (!hctx->nr_ctx) { struct blk_mq_tag_set *set = q->tag_set; @@ -1713,14 +1729,10 @@ static void blk_mq_del_queue_tag_set(struct request_queue *q) { struct blk_mq_tag_set *set = q->tag_set; - blk_mq_freeze_queue(q); - mutex_lock(&set->tag_list_lock); list_del_init(&q->tag_set_list); blk_mq_update_tag_set_depth(set); mutex_unlock(&set->tag_list_lock); - - blk_mq_unfreeze_queue(q); } static void blk_mq_add_queue_tag_set(struct blk_mq_tag_set *set, @@ -1928,6 +1940,61 @@ static int blk_mq_queue_reinit_notify(struct notifier_block *nb, return NOTIFY_OK; } +static int __blk_mq_alloc_rq_maps(struct blk_mq_tag_set *set) +{ + int i; + + for (i = 0; i < set->nr_hw_queues; i++) { + set->tags[i] = blk_mq_init_rq_map(set, i); + if (!set->tags[i]) + goto out_unwind; + } + + return 0; + +out_unwind: + while (--i >= 0) + blk_mq_free_rq_map(set, set->tags[i], i); + + set->tags = NULL; + return -ENOMEM; +} + +/* + * Allocate the request maps associated with this tag_set. Note that this + * may reduce the depth asked for, if memory is tight. set->queue_depth + * will be updated to reflect the allocated depth. + */ +static int blk_mq_alloc_rq_maps(struct blk_mq_tag_set *set) +{ + unsigned int depth; + int err; + + depth = set->queue_depth; + do { + err = __blk_mq_alloc_rq_maps(set); + if (!err) + break; + + set->queue_depth >>= 1; + if (set->queue_depth < set->reserved_tags + BLK_MQ_TAG_MIN) { + err = -ENOMEM; + break; + } + } while (set->queue_depth); + + if (!set->queue_depth || err) { + pr_err("blk-mq: failed to allocate request map\n"); + return -ENOMEM; + } + + if (depth != set->queue_depth) + pr_info("blk-mq: reduced tag depth (%u -> %u)\n", + depth, set->queue_depth); + + return 0; +} + /* * Alloc a tag set to be associated with one or more request queues. * May fail with EINVAL for various error conditions. May adjust the @@ -1936,8 +2003,6 @@ static int blk_mq_queue_reinit_notify(struct notifier_block *nb, */ int blk_mq_alloc_tag_set(struct blk_mq_tag_set *set) { - int i; - if (!set->nr_hw_queues) return -EINVAL; if (!set->queue_depth) @@ -1958,23 +2023,18 @@ int blk_mq_alloc_tag_set(struct blk_mq_tag_set *set) sizeof(struct blk_mq_tags *), GFP_KERNEL, set->numa_node); if (!set->tags) - goto out; + return -ENOMEM; - for (i = 0; i < set->nr_hw_queues; i++) { - set->tags[i] = blk_mq_init_rq_map(set, i); - if (!set->tags[i]) - goto out_unwind; - } + if (blk_mq_alloc_rq_maps(set)) + goto enomem; mutex_init(&set->tag_list_lock); INIT_LIST_HEAD(&set->tag_list); return 0; - -out_unwind: - while (--i >= 0) - blk_mq_free_rq_map(set, set->tags[i], i); -out: +enomem: + kfree(set->tags); + set->tags = NULL; return -ENOMEM; } EXPORT_SYMBOL(blk_mq_alloc_tag_set); @@ -1989,6 +2049,7 @@ void blk_mq_free_tag_set(struct blk_mq_tag_set *set) } kfree(set->tags); + set->tags = NULL; } EXPORT_SYMBOL(blk_mq_free_tag_set); diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index 4db5abf96b9..17f5c84ce7b 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -554,8 +554,10 @@ int blk_register_queue(struct gendisk *disk) * Initialization must be complete by now. Finish the initial * bypass from queue allocation. */ - queue_flag_set_unlocked(QUEUE_FLAG_INIT_DONE, q); - blk_queue_bypass_end(q); + if (!blk_queue_init_done(q)) { + queue_flag_set_unlocked(QUEUE_FLAG_INIT_DONE, q); + blk_queue_bypass_end(q); + } ret = blk_trace_init_sysfs(dev); if (ret) diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index cadc3784174..3f31cf9508e 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -1272,15 +1272,22 @@ __cfq_group_service_tree_add(struct cfq_rb_root *st, struct cfq_group *cfqg) rb_insert_color(&cfqg->rb_node, &st->rb); } +/* + * This has to be called only on activation of cfqg + */ static void cfq_update_group_weight(struct cfq_group *cfqg) { - BUG_ON(!RB_EMPTY_NODE(&cfqg->rb_node)); - if (cfqg->new_weight) { cfqg->weight = cfqg->new_weight; cfqg->new_weight = 0; } +} + +static void +cfq_update_group_leaf_weight(struct cfq_group *cfqg) +{ + BUG_ON(!RB_EMPTY_NODE(&cfqg->rb_node)); if (cfqg->new_leaf_weight) { cfqg->leaf_weight = cfqg->new_leaf_weight; @@ -1299,7 +1306,12 @@ cfq_group_service_tree_add(struct cfq_rb_root *st, struct cfq_group *cfqg) /* add to the service tree */ BUG_ON(!RB_EMPTY_NODE(&cfqg->rb_node)); - cfq_update_group_weight(cfqg); + /* + * Update leaf_weight. We cannot update weight at this point + * because cfqg might already have been activated and is + * contributing its current weight to the parent's child_weight. + */ + cfq_update_group_leaf_weight(cfqg); __cfq_group_service_tree_add(st, cfqg); /* @@ -1323,6 +1335,7 @@ cfq_group_service_tree_add(struct cfq_rb_root *st, struct cfq_group *cfqg) */ while ((parent = cfqg_parent(pos))) { if (propagate) { + cfq_update_group_weight(pos); propagate = !parent->nr_active++; parent->children_weight += pos->weight; } diff --git a/block/genhd.c b/block/genhd.c index 791f4194313..09da5e4a8e0 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -28,10 +28,10 @@ struct kobject *block_depr; /* for extended dynamic devt allocation, currently only one major is used */ #define NR_EXT_DEVT (1 << MINORBITS) -/* For extended devt allocation. ext_devt_mutex prevents look up +/* For extended devt allocation. ext_devt_lock prevents look up * results from going away underneath its user. */ -static DEFINE_MUTEX(ext_devt_mutex); +static DEFINE_SPINLOCK(ext_devt_lock); static DEFINE_IDR(ext_devt_idr); static struct device_type disk_type; @@ -420,9 +420,13 @@ int blk_alloc_devt(struct hd_struct *part, dev_t *devt) } /* allocate ext devt */ - mutex_lock(&ext_devt_mutex); - idx = idr_alloc(&ext_devt_idr, part, 0, NR_EXT_DEVT, GFP_KERNEL); - mutex_unlock(&ext_devt_mutex); + idr_preload(GFP_KERNEL); + + spin_lock(&ext_devt_lock); + idx = idr_alloc(&ext_devt_idr, part, 0, NR_EXT_DEVT, GFP_NOWAIT); + spin_unlock(&ext_devt_lock); + + idr_preload_end(); if (idx < 0) return idx == -ENOSPC ? -EBUSY : idx; @@ -447,9 +451,9 @@ void blk_free_devt(dev_t devt) return; if (MAJOR(devt) == BLOCK_EXT_MAJOR) { - mutex_lock(&ext_devt_mutex); + spin_lock(&ext_devt_lock); idr_remove(&ext_devt_idr, blk_mangle_minor(MINOR(devt))); - mutex_unlock(&ext_devt_mutex); + spin_unlock(&ext_devt_lock); } } @@ -665,7 +669,6 @@ void del_gendisk(struct gendisk *disk) sysfs_remove_link(block_depr, dev_name(disk_to_dev(disk))); pm_runtime_set_memalloc_noio(disk_to_dev(disk), false); device_del(disk_to_dev(disk)); - blk_free_devt(disk_to_dev(disk)->devt); } EXPORT_SYMBOL(del_gendisk); @@ -690,13 +693,13 @@ struct gendisk *get_gendisk(dev_t devt, int *partno) } else { struct hd_struct *part; - mutex_lock(&ext_devt_mutex); + spin_lock(&ext_devt_lock); part = idr_find(&ext_devt_idr, blk_mangle_minor(MINOR(devt))); if (part && get_disk(part_to_disk(part))) { *partno = part->partno; disk = part_to_disk(part); } - mutex_unlock(&ext_devt_mutex); + spin_unlock(&ext_devt_lock); } return disk; @@ -1098,6 +1101,7 @@ static void disk_release(struct device *dev) { struct gendisk *disk = dev_to_disk(dev); + blk_free_devt(dev->devt); disk_release_events(disk); kfree(disk->random); disk_replace_part_tbl(disk, NULL); diff --git a/block/partition-generic.c b/block/partition-generic.c index 789cdea0589..0d9e5f97f0a 100644 --- a/block/partition-generic.c +++ b/block/partition-generic.c @@ -211,6 +211,7 @@ static const struct attribute_group *part_attr_groups[] = { static void part_release(struct device *dev) { struct hd_struct *p = dev_to_part(dev); + blk_free_devt(dev->devt); free_part_stats(p); free_part_info(p); kfree(p); @@ -253,7 +254,6 @@ void delete_partition(struct gendisk *disk, int partno) rcu_assign_pointer(ptbl->last_lookup, NULL); kobject_put(part->holder_dir); device_del(part_to_dev(part)); - blk_free_devt(part_devt(part)); hd_struct_put(part); } diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c index 51bf5155ee7..9b8eaeca6a7 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -279,7 +279,6 @@ static int blk_complete_sghdr_rq(struct request *rq, struct sg_io_hdr *hdr, r = blk_rq_unmap_user(bio); if (!ret) ret = r; - blk_put_request(rq); return ret; } @@ -297,8 +296,6 @@ static int sg_io(struct request_queue *q, struct gendisk *bd_disk, if (hdr->interface_id != 'S') return -EINVAL; - if (hdr->cmd_len > BLK_MAX_CDB) - return -EINVAL; if (hdr->dxfer_len > (queue_max_hw_sectors(q) << 9)) return -EIO; @@ -317,16 +314,23 @@ static int sg_io(struct request_queue *q, struct gendisk *bd_disk, if (hdr->flags & SG_FLAG_Q_AT_HEAD) at_head = 1; + ret = -ENOMEM; rq = blk_get_request(q, writing ? WRITE : READ, GFP_KERNEL); if (!rq) - return -ENOMEM; + goto out; blk_rq_set_block_pc(rq); - if (blk_fill_sghdr_rq(q, rq, hdr, mode)) { - blk_put_request(rq); - return -EFAULT; + if (hdr->cmd_len > BLK_MAX_CDB) { + rq->cmd = kzalloc(hdr->cmd_len, GFP_KERNEL); + if (!rq->cmd) + goto out_put_request; } + ret = -EFAULT; + if (blk_fill_sghdr_rq(q, rq, hdr, mode)) + goto out_free_cdb; + + ret = 0; if (hdr->iovec_count) { size_t iov_data_len; struct iovec *iov = NULL; @@ -335,7 +339,7 @@ static int sg_io(struct request_queue *q, struct gendisk *bd_disk, 0, NULL, &iov); if (ret < 0) { kfree(iov); - goto out; + goto out_free_cdb; } iov_data_len = ret; @@ -358,7 +362,7 @@ static int sg_io(struct request_queue *q, struct gendisk *bd_disk, GFP_KERNEL); if (ret) - goto out; + goto out_free_cdb; bio = rq->bio; memset(sense, 0, sizeof(sense)); @@ -376,9 +380,14 @@ static int sg_io(struct request_queue *q, struct gendisk *bd_disk, hdr->duration = jiffies_to_msecs(jiffies - start_time); - return blk_complete_sghdr_rq(rq, hdr, bio); -out: + ret = blk_complete_sghdr_rq(rq, hdr, bio); + +out_free_cdb: + if (rq->cmd != rq->__cmd) + kfree(rq->cmd); +out_put_request: blk_put_request(rq); +out: return ret; } @@ -448,6 +457,11 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode, } rq = blk_get_request(q, in_len ? WRITE : READ, __GFP_WAIT); + if (!rq) { + err = -ENOMEM; + goto error; + } + blk_rq_set_block_pc(rq); cmdlen = COMMAND_SIZE(opcode); @@ -501,7 +515,6 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode, memset(sense, 0, sizeof(sense)); rq->sense = sense; rq->sense_len = 0; - blk_rq_set_block_pc(rq); blk_execute_rq(q, disk, rq, 0); @@ -521,7 +534,8 @@ out: error: kfree(buffer); - blk_put_request(rq); + if (rq) + blk_put_request(rq); return err; } EXPORT_SYMBOL_GPL(sg_scsi_ioctl); diff --git a/crypto/asymmetric_keys/public_key.c b/crypto/asymmetric_keys/public_key.c index 97eb001960b..2f6e4fb1a1e 100644 --- a/crypto/asymmetric_keys/public_key.c +++ b/crypto/asymmetric_keys/public_key.c @@ -121,6 +121,7 @@ static int public_key_verify_signature_2(const struct key *key, struct asymmetric_key_subtype public_key_subtype = { .owner = THIS_MODULE, .name = "public_key", + .name_len = sizeof("public_key") - 1, .describe = public_key_describe, .destroy = public_key_destroy, .verify_signature = public_key_verify_signature_2, diff --git a/crypto/asymmetric_keys/verify_pefile.c b/crypto/asymmetric_keys/verify_pefile.c index 79175e6ea0b..2421f46184c 100644 --- a/crypto/asymmetric_keys/verify_pefile.c +++ b/crypto/asymmetric_keys/verify_pefile.c @@ -128,6 +128,7 @@ static int pefile_strip_sig_wrapper(const void *pebuf, { struct win_certificate wrapper; const u8 *pkcs7; + unsigned len; if (ctx->sig_len < sizeof(wrapper)) { pr_debug("Signature wrapper too short\n"); @@ -154,33 +155,49 @@ static int pefile_strip_sig_wrapper(const void *pebuf, return -ENOTSUPP; } - /* Looks like actual pkcs signature length is in wrapper->length. - * size obtained from data dir entries lists the total size of - * certificate table which is also aligned to octawrod boundary. - * - * So set signature length field appropriately. + /* It looks like the pkcs signature length in wrapper->length and the + * size obtained from the data dir entries, which lists the total size + * of certificate table, are both aligned to an octaword boundary, so + * we may have to deal with some padding. */ ctx->sig_len = wrapper.length; ctx->sig_offset += sizeof(wrapper); ctx->sig_len -= sizeof(wrapper); - if (ctx->sig_len == 0) { + if (ctx->sig_len < 4) { pr_debug("Signature data missing\n"); return -EKEYREJECTED; } - /* What's left should a PKCS#7 cert */ + /* What's left should be a PKCS#7 cert */ pkcs7 = pebuf + ctx->sig_offset; - if (pkcs7[0] == (ASN1_CONS_BIT | ASN1_SEQ)) { - if (pkcs7[1] == 0x82 && - pkcs7[2] == (((ctx->sig_len - 4) >> 8) & 0xff) && - pkcs7[3] == ((ctx->sig_len - 4) & 0xff)) - return 0; - if (pkcs7[1] == 0x80) - return 0; - if (pkcs7[1] > 0x82) - return -EMSGSIZE; + if (pkcs7[0] != (ASN1_CONS_BIT | ASN1_SEQ)) + goto not_pkcs7; + + switch (pkcs7[1]) { + case 0 ... 0x7f: + len = pkcs7[1] + 2; + goto check_len; + case ASN1_INDEFINITE_LENGTH: + return 0; + case 0x81: + len = pkcs7[2] + 3; + goto check_len; + case 0x82: + len = ((pkcs7[2] << 8) | pkcs7[3]) + 4; + goto check_len; + case 0x83 ... 0xff: + return -EMSGSIZE; + default: + goto not_pkcs7; } +check_len: + if (len <= ctx->sig_len) { + /* There may be padding */ + ctx->sig_len = len; + return 0; + } +not_pkcs7: pr_debug("Signature data not PKCS#7\n"); return -ELIBBAD; } diff --git a/drivers/acpi/acpi_cmos_rtc.c b/drivers/acpi/acpi_cmos_rtc.c index 2da8660262e..81dc75033f1 100644 --- a/drivers/acpi/acpi_cmos_rtc.c +++ b/drivers/acpi/acpi_cmos_rtc.c @@ -33,7 +33,7 @@ acpi_cmos_rtc_space_handler(u32 function, acpi_physical_address address, void *handler_context, void *region_context) { int i; - u8 *value = (u8 *)&value64; + u8 *value = (u8 *)value64; if (address > 0xff || !value64) return AE_BAD_PARAMETER; diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index ce06149088c..fddc1e86f9d 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -196,6 +196,17 @@ static struct lpss_device_desc byt_i2c_dev_desc = { .setup = lpss_i2c_setup, }; +static struct lpss_shared_clock bsw_pwm_clock = { + .name = "pwm_clk", + .rate = 19200000, +}; + +static struct lpss_device_desc bsw_pwm_dev_desc = { + .clk_required = true, + .save_ctx = true, + .shared_clock = &bsw_pwm_clock, +}; + #else #define LPSS_ADDR(desc) (0UL) @@ -225,6 +236,12 @@ static const struct acpi_device_id acpi_lpss_device_ids[] = { { "INT33B2", }, { "INT33FC", }, + /* Braswell LPSS devices */ + { "80862288", LPSS_ADDR(bsw_pwm_dev_desc) }, + { "8086228A", LPSS_ADDR(byt_uart_dev_desc) }, + { "8086228E", LPSS_ADDR(byt_spi_dev_desc) }, + { "808622C1", LPSS_ADDR(byt_i2c_dev_desc) }, + { "INT3430", LPSS_ADDR(lpt_dev_desc) }, { "INT3431", LPSS_ADDR(lpt_dev_desc) }, { "INT3432", LPSS_ADDR(lpt_i2c_dev_desc) }, @@ -593,7 +610,7 @@ static int acpi_lpss_suspend_late(struct device *dev) return acpi_dev_suspend_late(dev); } -static int acpi_lpss_restore_early(struct device *dev) +static int acpi_lpss_resume_early(struct device *dev) { int ret = acpi_dev_resume_early(dev); @@ -633,15 +650,15 @@ static int acpi_lpss_runtime_resume(struct device *dev) static struct dev_pm_domain acpi_lpss_pm_domain = { .ops = { #ifdef CONFIG_PM_SLEEP - .suspend_late = acpi_lpss_suspend_late, - .restore_early = acpi_lpss_restore_early, .prepare = acpi_subsys_prepare, .complete = acpi_subsys_complete, .suspend = acpi_subsys_suspend, - .resume_early = acpi_subsys_resume_early, + .suspend_late = acpi_lpss_suspend_late, + .resume_early = acpi_lpss_resume_early, .freeze = acpi_subsys_freeze, .poweroff = acpi_subsys_suspend, - .poweroff_late = acpi_subsys_suspend_late, + .poweroff_late = acpi_lpss_suspend_late, + .restore_early = acpi_lpss_resume_early, #endif #ifdef CONFIG_PM_RUNTIME .runtime_suspend = acpi_lpss_runtime_suspend, diff --git a/drivers/acpi/acpica/nsprepkg.c b/drivers/acpi/acpica/nsprepkg.c index 68f725839eb..1b13b921dda 100644 --- a/drivers/acpi/acpica/nsprepkg.c +++ b/drivers/acpi/acpica/nsprepkg.c @@ -316,6 +316,45 @@ acpi_ns_check_package(struct acpi_evaluate_info *info, acpi_ns_check_package_list(info, package, elements, count); break; + case ACPI_PTYPE2_UUID_PAIR: + + /* The package must contain pairs of (UUID + type) */ + + if (count & 1) { + expected_count = count + 1; + goto package_too_small; + } + + while (count > 0) { + status = acpi_ns_check_object_type(info, elements, + package->ret_info. + object_type1, 0); + if (ACPI_FAILURE(status)) { + return (status); + } + + /* Validate length of the UUID buffer */ + + if ((*elements)->buffer.length != 16) { + ACPI_WARN_PREDEFINED((AE_INFO, + info->full_pathname, + info->node_flags, + "Invalid length for UUID Buffer")); + return (AE_AML_OPERAND_VALUE); + } + + status = acpi_ns_check_object_type(info, elements + 1, + package->ret_info. + object_type2, 0); + if (ACPI_FAILURE(status)) { + return (status); + } + + elements += 2; + count -= 2; + } + break; + default: /* Should not get here if predefined info table is correct */ diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 1c162e7be04..5fdfe65fe16 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -534,20 +534,6 @@ static int acpi_battery_get_state(struct acpi_battery *battery) " invalid.\n"); } - /* - * When fully charged, some batteries wrongly report - * capacity_now = design_capacity instead of = full_charge_capacity - */ - if (battery->capacity_now > battery->full_charge_capacity - && battery->full_charge_capacity != ACPI_BATTERY_VALUE_UNKNOWN) { - if (battery->capacity_now != battery->design_capacity) - printk_once(KERN_WARNING FW_BUG - "battery: reported current charge level (%d) " - "is higher than reported maximum charge level (%d).\n", - battery->capacity_now, battery->full_charge_capacity); - battery->capacity_now = battery->full_charge_capacity; - } - if (test_bit(ACPI_BATTERY_QUIRK_PERCENTAGE_CAPACITY, &battery->flags) && battery->capacity_now >= 0 && battery->capacity_now <= 100) battery->capacity_now = (battery->capacity_now * diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index a66ab658abb..cb6066c809e 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -197,6 +197,8 @@ static bool advance_transaction(struct acpi_ec *ec) t->rdata[t->ri++] = acpi_ec_read_data(ec); if (t->rlen == t->ri) { t->flags |= ACPI_EC_COMMAND_COMPLETE; + if (t->command == ACPI_EC_COMMAND_QUERY) + pr_debug("hardware QR_EC completion\n"); wakeup = true; } } else @@ -208,7 +210,20 @@ static bool advance_transaction(struct acpi_ec *ec) } return wakeup; } else { - if ((status & ACPI_EC_FLAG_IBF) == 0) { + /* + * There is firmware refusing to respond QR_EC when SCI_EVT + * is not set, for which case, we complete the QR_EC + * without issuing it to the firmware. + * https://bugzilla.kernel.org/show_bug.cgi?id=86211 + */ + if (!(status & ACPI_EC_FLAG_SCI) && + (t->command == ACPI_EC_COMMAND_QUERY)) { + t->flags |= ACPI_EC_COMMAND_POLL; + t->rdata[t->ri++] = 0x00; + t->flags |= ACPI_EC_COMMAND_COMPLETE; + pr_debug("software QR_EC completion\n"); + wakeup = true; + } else if ((status & ACPI_EC_FLAG_IBF) == 0) { acpi_ec_write_cmd(ec, t->command); t->flags |= ACPI_EC_COMMAND_POLL; } else @@ -288,11 +303,11 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, /* following two actions should be kept atomic */ ec->curr = t; start_transaction(ec); - if (ec->curr->command == ACPI_EC_COMMAND_QUERY) - clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags); spin_unlock_irqrestore(&ec->lock, tmp); ret = ec_poll(ec); spin_lock_irqsave(&ec->lock, tmp); + if (ec->curr->command == ACPI_EC_COMMAND_QUERY) + clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags); ec->curr = NULL; spin_unlock_irqrestore(&ec->lock, tmp); return ret; @@ -1015,6 +1030,10 @@ static struct dmi_system_id ec_dmi_table[] __initdata = { DMI_MATCH(DMI_SYS_VENDOR, "Quanta"), DMI_MATCH(DMI_PRODUCT_NAME, "TW9/SW9"),}, NULL}, { + ec_flag_msi, "Clevo W350etq", { + DMI_MATCH(DMI_SYS_VENDOR, "CLEVO CO."), + DMI_MATCH(DMI_PRODUCT_NAME, "W35_37ET"),}, NULL}, + { ec_validate_ecdt, "ASUS hardware", { DMI_MATCH(DMI_BIOS_VENDOR, "ASUS") }, NULL}, { diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c index c96887d5289..6e6b80eb0bb 100644 --- a/drivers/acpi/pci_irq.c +++ b/drivers/acpi/pci_irq.c @@ -484,6 +484,10 @@ void acpi_pci_irq_disable(struct pci_dev *dev) /* Keep IOAPIC pin configuration when suspending */ if (dev->dev.power.is_prepared) return; +#ifdef CONFIG_PM_RUNTIME + if (dev->dev.power.runtime_status == RPM_SUSPENDING) + return; +#endif entry = acpi_pci_irq_lookup(dev, pin); if (!entry) diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 3dca36d4ad2..17f9ec50197 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -1071,9 +1071,9 @@ int acpi_processor_cst_has_changed(struct acpi_processor *pr) if (pr->id == 0 && cpuidle_get_driver() == &acpi_idle_driver) { - cpuidle_pause_and_lock(); /* Protect against cpu-hotplug */ get_online_cpus(); + cpuidle_pause_and_lock(); /* Disable all cpuidle devices */ for_each_online_cpu(cpu) { @@ -1100,8 +1100,8 @@ int acpi_processor_cst_has_changed(struct acpi_processor *pr) cpuidle_enable_device(dev); } } - put_online_cpus(); cpuidle_resume_and_unlock(); + put_online_cpus(); } return 0; diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 0a817ad24f1..3bf7764659a 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -667,8 +667,14 @@ static ssize_t acpi_device_sun_show(struct device *dev, struct device_attribute *attr, char *buf) { struct acpi_device *acpi_dev = to_acpi_device(dev); + acpi_status status; + unsigned long long sun; + + status = acpi_evaluate_integer(acpi_dev->handle, "_SUN", NULL, &sun); + if (ACPI_FAILURE(status)) + return -ENODEV; - return sprintf(buf, "%lu\n", acpi_dev->pnp.sun); + return sprintf(buf, "%llu\n", sun); } static DEVICE_ATTR(sun, 0444, acpi_device_sun_show, NULL); @@ -690,7 +696,6 @@ static int acpi_device_setup_files(struct acpi_device *dev) { struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL}; acpi_status status; - unsigned long long sun; int result = 0; /* @@ -731,14 +736,10 @@ static int acpi_device_setup_files(struct acpi_device *dev) if (dev->pnp.unique_id) result = device_create_file(&dev->dev, &dev_attr_uid); - status = acpi_evaluate_integer(dev->handle, "_SUN", NULL, &sun); - if (ACPI_SUCCESS(status)) { - dev->pnp.sun = (unsigned long)sun; + if (acpi_has_method(dev->handle, "_SUN")) { result = device_create_file(&dev->dev, &dev_attr_sun); if (result) goto end; - } else { - dev->pnp.sun = (unsigned long)-1; } if (acpi_has_method(dev->handle, "_STA")) { @@ -922,12 +923,17 @@ static void acpi_device_notify(acpi_handle handle, u32 event, void *data) device->driver->ops.notify(device, event); } -static acpi_status acpi_device_notify_fixed(void *data) +static void acpi_device_notify_fixed(void *data) { struct acpi_device *device = data; /* Fixed hardware devices have no handles */ acpi_device_notify(NULL, ACPI_FIXED_HARDWARE_EVENT, device); +} + +static acpi_status acpi_device_fixed_event(void *data) +{ + acpi_os_execute(OSL_NOTIFY_HANDLER, acpi_device_notify_fixed, data); return AE_OK; } @@ -938,12 +944,12 @@ static int acpi_device_install_notify_handler(struct acpi_device *device) if (device->device_type == ACPI_BUS_TYPE_POWER_BUTTON) status = acpi_install_fixed_event_handler(ACPI_EVENT_POWER_BUTTON, - acpi_device_notify_fixed, + acpi_device_fixed_event, device); else if (device->device_type == ACPI_BUS_TYPE_SLEEP_BUTTON) status = acpi_install_fixed_event_handler(ACPI_EVENT_SLEEP_BUTTON, - acpi_device_notify_fixed, + acpi_device_fixed_event, device); else status = acpi_install_notify_handler(device->handle, @@ -960,10 +966,10 @@ static void acpi_device_remove_notify_handler(struct acpi_device *device) { if (device->device_type == ACPI_BUS_TYPE_POWER_BUTTON) acpi_remove_fixed_event_handler(ACPI_EVENT_POWER_BUTTON, - acpi_device_notify_fixed); + acpi_device_fixed_event); else if (device->device_type == ACPI_BUS_TYPE_SLEEP_BUTTON) acpi_remove_fixed_event_handler(ACPI_EVENT_SLEEP_BUTTON, - acpi_device_notify_fixed); + acpi_device_fixed_event); else acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY, acpi_device_notify); @@ -975,7 +981,7 @@ static int acpi_device_probe(struct device *dev) struct acpi_driver *acpi_drv = to_acpi_driver(dev->driver); int ret; - if (acpi_dev->handler) + if (acpi_dev->handler && !acpi_is_pnp_device(acpi_dev)) return -EINVAL; if (!acpi_drv->ops.add) diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 826884392e6..fcbda105616 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -82,9 +82,9 @@ module_param(allow_duplicates, bool, 0644); * For Windows 8 systems: used to decide if video module * should skip registering backlight interface of its own. */ -static int use_native_backlight_param = 1; +static int use_native_backlight_param = -1; module_param_named(use_native_backlight, use_native_backlight_param, int, 0444); -static bool use_native_backlight_dmi = false; +static bool use_native_backlight_dmi = true; static int register_count; static struct mutex video_list_lock; @@ -417,6 +417,12 @@ static int __init video_set_use_native_backlight(const struct dmi_system_id *d) return 0; } +static int __init video_disable_native_backlight(const struct dmi_system_id *d) +{ + use_native_backlight_dmi = false; + return 0; +} + static struct dmi_system_id video_dmi_table[] __initdata = { /* * Broken _BQC workaround http://bugzilla.kernel.org/show_bug.cgi?id=13121 @@ -720,6 +726,41 @@ static struct dmi_system_id video_dmi_table[] __initdata = { DMI_MATCH(DMI_PRODUCT_NAME, "HP EliteBook 8780w"), }, }, + + /* + * These models have a working acpi_video backlight control, and using + * native backlight causes a regression where backlight does not work + * when userspace is not handling brightness key events. Disable + * native_backlight on these to fix this: + * https://bugzilla.kernel.org/show_bug.cgi?id=81691 + */ + { + .callback = video_disable_native_backlight, + .ident = "ThinkPad T420", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T420"), + }, + }, + { + .callback = video_disable_native_backlight, + .ident = "ThinkPad T520", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T520"), + }, + }, + + /* The native backlight controls do not work on some older machines */ + { + /* https://bugs.freedesktop.org/show_bug.cgi?id=81515 */ + .callback = video_disable_native_backlight, + .ident = "HP ENVY 15 Notebook", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP ENVY 15 Notebook PC"), + }, + }, {} }; diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index a29f8012fb0..a0cc0edafc7 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -305,6 +305,14 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(INTEL, 0x9c85), board_ahci }, /* Wildcat Point-LP RAID */ { PCI_VDEVICE(INTEL, 0x9c87), board_ahci }, /* Wildcat Point-LP RAID */ { PCI_VDEVICE(INTEL, 0x9c8f), board_ahci }, /* Wildcat Point-LP RAID */ + { PCI_VDEVICE(INTEL, 0x8c82), board_ahci }, /* 9 Series AHCI */ + { PCI_VDEVICE(INTEL, 0x8c83), board_ahci }, /* 9 Series AHCI */ + { PCI_VDEVICE(INTEL, 0x8c84), board_ahci }, /* 9 Series RAID */ + { PCI_VDEVICE(INTEL, 0x8c85), board_ahci }, /* 9 Series RAID */ + { PCI_VDEVICE(INTEL, 0x8c86), board_ahci }, /* 9 Series RAID */ + { PCI_VDEVICE(INTEL, 0x8c87), board_ahci }, /* 9 Series RAID */ + { PCI_VDEVICE(INTEL, 0x8c8e), board_ahci }, /* 9 Series RAID */ + { PCI_VDEVICE(INTEL, 0x8c8f), board_ahci }, /* 9 Series RAID */ /* JMicron 360/1/3/5/6, match class to avoid IDE function */ { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, @@ -442,6 +450,8 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x917a), .driver_data = board_ahci_yes_fbs }, /* 88se9172 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9172), + .driver_data = board_ahci_yes_fbs }, /* 88se9182 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9182), .driver_data = board_ahci_yes_fbs }, /* 88se9172 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9192), .driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */ @@ -1329,6 +1339,18 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000) ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS; + /* + * The JMicron chip 361/363 contains one SATA controller and one + * PATA controller,for powering on these both controllers, we must + * follow the sequence one by one, otherwise one of them can not be + * powered on successfully, so here we disable the async suspend + * method for these chips. + */ + if (pdev->vendor == PCI_VENDOR_ID_JMICRON && + (pdev->device == PCI_DEVICE_ID_JMICRON_JMB363 || + pdev->device == PCI_DEVICE_ID_JMICRON_JMB361)) + device_disable_async_suspend(&pdev->dev); + /* acquire resources */ rc = pcim_enable_device(pdev); if (rc) diff --git a/drivers/ata/ahci_tegra.c b/drivers/ata/ahci_tegra.c index f1fef74e503..032904402c9 100644 --- a/drivers/ata/ahci_tegra.c +++ b/drivers/ata/ahci_tegra.c @@ -18,14 +18,17 @@ */ #include <linux/ahci_platform.h> -#include <linux/reset.h> #include <linux/errno.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/regulator/consumer.h> +#include <linux/reset.h> + +#include <soc/tegra/fuse.h> #include <soc/tegra/pmc.h> + #include "ahci.h" #define SATA_CONFIGURATION_0 0x180 @@ -180,9 +183,12 @@ static int tegra_ahci_controller_init(struct ahci_host_priv *hpriv) /* Pad calibration */ - /* FIXME Always use calibration 0. Change this to read the calibration - * fuse once the fuse driver has landed. */ - val = 0; + ret = tegra_fuse_readl(FUSE_SATA_CALIB, &val); + if (ret) { + dev_err(&tegra->pdev->dev, + "failed to read calibration fuse: %d\n", ret); + return ret; + } calib = tegra124_pad_calibration[val & FUSE_SATA_CALIB_MASK]; diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c index c6962300b93..f03aab187f4 100644 --- a/drivers/ata/ahci_xgene.c +++ b/drivers/ata/ahci_xgene.c @@ -78,6 +78,9 @@ #define CFG_MEM_RAM_SHUTDOWN 0x00000070 #define BLOCK_MEM_RDY 0x00000074 +/* Max retry for link down */ +#define MAX_LINK_DOWN_RETRY 3 + struct xgene_ahci_context { struct ahci_host_priv *hpriv; struct device *dev; @@ -145,6 +148,14 @@ static unsigned int xgene_ahci_qc_issue(struct ata_queued_cmd *qc) return rc; } +static bool xgene_ahci_is_memram_inited(struct xgene_ahci_context *ctx) +{ + void __iomem *diagcsr = ctx->csr_diag; + + return (readl(diagcsr + CFG_MEM_RAM_SHUTDOWN) == 0 && + readl(diagcsr + BLOCK_MEM_RDY) == 0xFFFFFFFF); +} + /** * xgene_ahci_read_id - Read ID data from the specified device * @dev: device @@ -229,8 +240,11 @@ static void xgene_ahci_set_phy_cfg(struct xgene_ahci_context *ctx, int channel) * and Gen1 (1.5Gbps). Otherwise during long IO stress test, the PHY will * report disparity error and etc. In addition, during COMRESET, there can * be error reported in the register PORT_SCR_ERR. For SERR_DISPARITY and - * SERR_10B_8B_ERR, the PHY receiver line must be reseted. The following - * algorithm is followed to proper configure the hardware PHY during COMRESET: + * SERR_10B_8B_ERR, the PHY receiver line must be reseted. Also during long + * reboot cycle regression, sometimes the PHY reports link down even if the + * device is present because of speed negotiation failure. so need to retry + * the COMRESET to get the link up. The following algorithm is followed to + * proper configure the hardware PHY during COMRESET: * * Alg Part 1: * 1. Start the PHY at Gen3 speed (default setting) @@ -246,9 +260,15 @@ static void xgene_ahci_set_phy_cfg(struct xgene_ahci_context *ctx, int channel) * Alg Part 2: * 1. On link up, if there are any SERR_DISPARITY and SERR_10B_8B_ERR error * reported in the register PORT_SCR_ERR, then reset the PHY receiver line - * 2. Go to Alg Part 3 + * 2. Go to Alg Part 4 * * Alg Part 3: + * 1. Check the PORT_SCR_STAT to see whether device presence detected but PHY + * communication establishment failed and maximum link down attempts are + * less than Max attempts 3 then goto Alg Part 1. + * 2. Go to Alg Part 4. + * + * Alg Part 4: * 1. Clear any pending from register PORT_SCR_ERR. * * NOTE: For the initial version, we will NOT support Gen1/Gen2. In addition @@ -267,19 +287,27 @@ static int xgene_ahci_do_hardreset(struct ata_link *link, u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG; void __iomem *port_mmio = ahci_port_base(ap); struct ata_taskfile tf; + int link_down_retry = 0; int rc; - u32 val; - - /* clear D2H reception area to properly wait for D2H FIS */ - ata_tf_init(link->device, &tf); - tf.command = ATA_BUSY; - ata_tf_to_fis(&tf, 0, 0, d2h_fis); - rc = sata_link_hardreset(link, timing, deadline, online, + u32 val, sstatus; + + do { + /* clear D2H reception area to properly wait for D2H FIS */ + ata_tf_init(link->device, &tf); + tf.command = ATA_BUSY; + ata_tf_to_fis(&tf, 0, 0, d2h_fis); + rc = sata_link_hardreset(link, timing, deadline, online, ahci_check_ready); + if (*online) { + val = readl(port_mmio + PORT_SCR_ERR); + if (val & (SERR_DISPARITY | SERR_10B_8B_ERR)) + dev_warn(ctx->dev, "link has error\n"); + break; + } - val = readl(port_mmio + PORT_SCR_ERR); - if (val & (SERR_DISPARITY | SERR_10B_8B_ERR)) - dev_warn(ctx->dev, "link has error\n"); + sata_scr_read(link, SCR_STATUS, &sstatus); + } while (link_down_retry++ < MAX_LINK_DOWN_RETRY && + (sstatus & 0xff) == 0x1); /* clear all errors if any pending */ val = readl(port_mmio + PORT_SCR_ERR); @@ -467,6 +495,11 @@ static int xgene_ahci_probe(struct platform_device *pdev) return -ENODEV; } + if (xgene_ahci_is_memram_inited(ctx)) { + dev_info(dev, "skip clock and PHY initialization\n"); + goto skip_clk_phy; + } + /* Due to errata, HW requires full toggle transition */ rc = ahci_platform_enable_clks(hpriv); if (rc) @@ -479,7 +512,7 @@ static int xgene_ahci_probe(struct platform_device *pdev) /* Configure the host controller */ xgene_ahci_hw_init(hpriv); - +skip_clk_phy: hpriv->flags = AHCI_HFLAG_NO_PMP | AHCI_HFLAG_NO_NCQ; rc = ahci_platform_init_host(pdev, hpriv, &xgene_ahci_port_info); diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 893e30e9a9e..ffbe625e6fd 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -340,6 +340,14 @@ static const struct pci_device_id piix_pci_tbl[] = { { 0x8086, 0x0F21, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_byt }, /* SATA Controller IDE (Coleto Creek) */ { 0x8086, 0x23a6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata }, + /* SATA Controller IDE (9 Series) */ + { 0x8086, 0x8c88, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_snb }, + /* SATA Controller IDE (9 Series) */ + { 0x8086, 0x8c89, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_snb }, + /* SATA Controller IDE (9 Series) */ + { 0x8086, 0x8c80, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb }, + /* SATA Controller IDE (9 Series) */ + { 0x8086, 0x8c81, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb }, { } /* terminate list */ }; diff --git a/drivers/ata/pata_jmicron.c b/drivers/ata/pata_jmicron.c index 4d1a5d2c428..47e418b8c8b 100644 --- a/drivers/ata/pata_jmicron.c +++ b/drivers/ata/pata_jmicron.c @@ -143,6 +143,18 @@ static int jmicron_init_one (struct pci_dev *pdev, const struct pci_device_id *i }; const struct ata_port_info *ppi[] = { &info, NULL }; + /* + * The JMicron chip 361/363 contains one SATA controller and one + * PATA controller,for powering on these both controllers, we must + * follow the sequence one by one, otherwise one of them can not be + * powered on successfully, so here we disable the async suspend + * method for these chips. + */ + if (pdev->vendor == PCI_VENDOR_ID_JMICRON && + (pdev->device == PCI_DEVICE_ID_JMICRON_JMB363 || + pdev->device == PCI_DEVICE_ID_JMICRON_JMB361)) + device_disable_async_suspend(&pdev->dev); + return ata_pci_bmdma_init_one(pdev, ppi, &jmicron_sht, NULL, 0); } diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h index 7d1326985be..bfc90b8547f 100644 --- a/drivers/base/regmap/internal.h +++ b/drivers/base/regmap/internal.h @@ -146,6 +146,9 @@ struct regcache_ops { enum regcache_type type; int (*init)(struct regmap *map); int (*exit)(struct regmap *map); +#ifdef CONFIG_DEBUG_FS + void (*debugfs_init)(struct regmap *map); +#endif int (*read)(struct regmap *map, unsigned int reg, unsigned int *value); int (*write)(struct regmap *map, unsigned int reg, unsigned int value); int (*sync)(struct regmap *map, unsigned int min, unsigned int max); diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c index 6a7e4fa1285..f3e8fe0cc65 100644 --- a/drivers/base/regmap/regcache-rbtree.c +++ b/drivers/base/regmap/regcache-rbtree.c @@ -194,10 +194,6 @@ static void rbtree_debugfs_init(struct regmap *map) { debugfs_create_file("rbtree", 0400, map->debugfs, map, &rbtree_fops); } -#else -static void rbtree_debugfs_init(struct regmap *map) -{ -} #endif static int regcache_rbtree_init(struct regmap *map) @@ -222,8 +218,6 @@ static int regcache_rbtree_init(struct regmap *map) goto err; } - rbtree_debugfs_init(map); - return 0; err: @@ -532,6 +526,9 @@ struct regcache_ops regcache_rbtree_ops = { .name = "rbtree", .init = regcache_rbtree_init, .exit = regcache_rbtree_exit, +#ifdef CONFIG_DEBUG_FS + .debugfs_init = rbtree_debugfs_init, +#endif .read = regcache_rbtree_read, .write = regcache_rbtree_write, .sync = regcache_rbtree_sync, diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index 29b4128da0b..5617da6dc89 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -698,7 +698,7 @@ int regcache_sync_block(struct regmap *map, void *block, unsigned int block_base, unsigned int start, unsigned int end) { - if (regmap_can_raw_write(map)) + if (regmap_can_raw_write(map) && !map->use_single_rw) return regcache_sync_block_raw(map, block, cache_present, block_base, start, end); else diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c index 45d812c0ea7..65ea7b256b3 100644 --- a/drivers/base/regmap/regmap-debugfs.c +++ b/drivers/base/regmap/regmap-debugfs.c @@ -538,6 +538,9 @@ void regmap_debugfs_init(struct regmap *map, const char *name) next = rb_next(&range_node->node); } + + if (map->cache_ops && map->cache_ops->debugfs_init) + map->cache_ops->debugfs_init(map); } void regmap_debugfs_exit(struct regmap *map) diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 78f43fb2fe8..1cf427bc0d4 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -109,7 +109,7 @@ bool regmap_readable(struct regmap *map, unsigned int reg) bool regmap_volatile(struct regmap *map, unsigned int reg) { - if (!regmap_readable(map, reg)) + if (!map->format.format_write && !regmap_readable(map, reg)) return false; if (map->volatile_reg) diff --git a/drivers/bcma/host_pci.c b/drivers/bcma/host_pci.c index 294a7dd2519..f032ed6dd45 100644 --- a/drivers/bcma/host_pci.c +++ b/drivers/bcma/host_pci.c @@ -282,6 +282,7 @@ static const struct pci_device_id bcma_pci_bridge_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a9) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43aa) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) }, + { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43227) }, /* 0xA8DB */ { 0, }, }; MODULE_DEVICE_TABLE(pci, bcma_pci_bridge_tbl); diff --git a/drivers/block/brd.c b/drivers/block/brd.c index c7d138eca73..3598110d2ce 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -442,12 +442,15 @@ static int rd_nr; int rd_size = CONFIG_BLK_DEV_RAM_SIZE; static int max_part; static int part_shift; +static int part_show = 0; module_param(rd_nr, int, S_IRUGO); MODULE_PARM_DESC(rd_nr, "Maximum number of brd devices"); module_param(rd_size, int, S_IRUGO); MODULE_PARM_DESC(rd_size, "Size of each RAM disk in kbytes."); module_param(max_part, int, S_IRUGO); MODULE_PARM_DESC(max_part, "Maximum number of partitions per RAM disk"); +module_param(part_show, int, S_IRUGO); +MODULE_PARM_DESC(part_show, "Control RAM disk visibility in /proc/partitions"); MODULE_LICENSE("GPL"); MODULE_ALIAS_BLOCKDEV_MAJOR(RAMDISK_MAJOR); MODULE_ALIAS("rd"); @@ -501,7 +504,8 @@ static struct brd_device *brd_alloc(int i) disk->fops = &brd_fops; disk->private_data = brd; disk->queue = brd->brd_queue; - disk->flags |= GENHD_FL_SUPPRESS_PARTITION_INFO; + if (!part_show) + disk->flags |= GENHD_FL_SUPPRESS_PARTITION_INFO; sprintf(disk->disk_name, "ram%d", i); set_capacity(disk, rd_size * 2); diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index db1e9560d8a..5c8e7fe0774 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -3918,7 +3918,6 @@ skip_create_disk: if (rv) { dev_err(&dd->pdev->dev, "Unable to allocate request queue\n"); - rv = -ENOMEM; goto block_queue_alloc_init_error; } diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c index a3b042c4d44..00d469c7f9f 100644 --- a/drivers/block/null_blk.c +++ b/drivers/block/null_blk.c @@ -462,17 +462,21 @@ static int null_add_dev(void) struct gendisk *disk; struct nullb *nullb; sector_t size; + int rv; nullb = kzalloc_node(sizeof(*nullb), GFP_KERNEL, home_node); - if (!nullb) + if (!nullb) { + rv = -ENOMEM; goto out; + } spin_lock_init(&nullb->lock); if (queue_mode == NULL_Q_MQ && use_per_node_hctx) submit_queues = nr_online_nodes; - if (setup_queues(nullb)) + rv = setup_queues(nullb); + if (rv) goto out_free_nullb; if (queue_mode == NULL_Q_MQ) { @@ -484,22 +488,29 @@ static int null_add_dev(void) nullb->tag_set.flags = BLK_MQ_F_SHOULD_MERGE; nullb->tag_set.driver_data = nullb; - if (blk_mq_alloc_tag_set(&nullb->tag_set)) + rv = blk_mq_alloc_tag_set(&nullb->tag_set); + if (rv) goto out_cleanup_queues; nullb->q = blk_mq_init_queue(&nullb->tag_set); - if (!nullb->q) + if (!nullb->q) { + rv = -ENOMEM; goto out_cleanup_tags; + } } else if (queue_mode == NULL_Q_BIO) { nullb->q = blk_alloc_queue_node(GFP_KERNEL, home_node); - if (!nullb->q) + if (!nullb->q) { + rv = -ENOMEM; goto out_cleanup_queues; + } blk_queue_make_request(nullb->q, null_queue_bio); init_driver_queues(nullb); } else { nullb->q = blk_init_queue_node(null_request_fn, &nullb->lock, home_node); - if (!nullb->q) + if (!nullb->q) { + rv = -ENOMEM; goto out_cleanup_queues; + } blk_queue_prep_rq(nullb->q, null_rq_prep_fn); blk_queue_softirq_done(nullb->q, null_softirq_done_fn); init_driver_queues(nullb); @@ -509,8 +520,10 @@ static int null_add_dev(void) queue_flag_set_unlocked(QUEUE_FLAG_NONROT, nullb->q); disk = nullb->disk = alloc_disk_node(1, home_node); - if (!disk) + if (!disk) { + rv = -ENOMEM; goto out_cleanup_blk_queue; + } mutex_lock(&lock); list_add_tail(&nullb->list, &nullb_list); @@ -544,7 +557,7 @@ out_cleanup_queues: out_free_nullb: kfree(nullb); out: - return -ENOMEM; + return rv; } static int __init null_init(void) diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 623c84145b7..4b97baf8afa 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -5087,9 +5087,11 @@ static int rbd_dev_device_setup(struct rbd_device *rbd_dev) set_capacity(rbd_dev->disk, rbd_dev->mapping.size / SECTOR_SIZE); set_disk_ro(rbd_dev->disk, rbd_dev->mapping.read_only); - rbd_dev->rq_wq = alloc_workqueue(rbd_dev->disk->disk_name, 0, 0); - if (!rbd_dev->rq_wq) + rbd_dev->rq_wq = alloc_workqueue("%s", 0, 0, rbd_dev->disk->disk_name); + if (!rbd_dev->rq_wq) { + ret = -ENOMEM; goto err_out_mapping; + } ret = rbd_bus_add_dev(rbd_dev); if (ret) diff --git a/drivers/block/xsysace.c b/drivers/block/xsysace.c index ab3ea62e5df..c4328d9d998 100644 --- a/drivers/block/xsysace.c +++ b/drivers/block/xsysace.c @@ -1203,7 +1203,6 @@ static struct platform_driver ace_platform_driver = { .probe = ace_probe, .remove = ace_remove, .driver = { - .owner = THIS_MODULE, .name = "xsysace", .of_match_table = ace_of_match, }, diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index dfa4024c448..d00831c3d73 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -378,7 +378,6 @@ static int zram_decompress_page(struct zram *zram, char *mem, u32 index) /* Should NEVER happen. Return bio error if it does. */ if (unlikely(ret)) { pr_err("Decompression failed! err=%d, page=%u\n", ret, index); - atomic64_inc(&zram->stats.failed_reads); return ret; } @@ -547,8 +546,6 @@ out: zcomp_strm_release(zram->comp, zstrm); if (is_partial_io(bvec)) kfree(uncmem); - if (ret) - atomic64_inc(&zram->stats.failed_writes); return ret; } @@ -566,6 +563,13 @@ static int zram_bvec_rw(struct zram *zram, struct bio_vec *bvec, u32 index, ret = zram_bvec_write(zram, bvec, index, offset); } + if (unlikely(ret)) { + if (rw == READ) + atomic64_inc(&zram->stats.failed_reads); + else + atomic64_inc(&zram->stats.failed_writes); + } + return ret; } diff --git a/drivers/block/zram/zram_drv.h b/drivers/block/zram/zram_drv.h index 5b0afde729c..e0f725c87cc 100644 --- a/drivers/block/zram/zram_drv.h +++ b/drivers/block/zram/zram_drv.h @@ -84,7 +84,7 @@ struct zram_stats { atomic64_t compr_data_size; /* compressed size of pages stored */ atomic64_t num_reads; /* failed + successful */ atomic64_t num_writes; /* --do-- */ - atomic64_t failed_reads; /* should NEVER! happen */ + atomic64_t failed_reads; /* can happen when memory is too low */ atomic64_t failed_writes; /* can happen when memory is too low */ atomic64_t invalid_io; /* non-page-aligned I/O requests */ atomic64_t notify_free; /* no. of swap slot free notifications */ diff --git a/drivers/bus/arm-ccn.c b/drivers/bus/arm-ccn.c index 6f550d9e7a2..a60f2640070 100644 --- a/drivers/bus/arm-ccn.c +++ b/drivers/bus/arm-ccn.c @@ -586,6 +586,30 @@ static int arm_ccn_pmu_type_eq(u32 a, u32 b) return 0; } +static void arm_ccn_pmu_event_destroy(struct perf_event *event) +{ + struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu); + struct hw_perf_event *hw = &event->hw; + + if (hw->idx == CCN_IDX_PMU_CYCLE_COUNTER) { + clear_bit(CCN_IDX_PMU_CYCLE_COUNTER, ccn->dt.pmu_counters_mask); + } else { + struct arm_ccn_component *source = + ccn->dt.pmu_counters[hw->idx].source; + + if (CCN_CONFIG_TYPE(event->attr.config) == CCN_TYPE_XP && + CCN_CONFIG_EVENT(event->attr.config) == + CCN_EVENT_WATCHPOINT) + clear_bit(hw->config_base, source->xp.dt_cmp_mask); + else + clear_bit(hw->config_base, source->pmu_events_mask); + clear_bit(hw->idx, ccn->dt.pmu_counters_mask); + } + + ccn->dt.pmu_counters[hw->idx].source = NULL; + ccn->dt.pmu_counters[hw->idx].event = NULL; +} + static int arm_ccn_pmu_event_init(struct perf_event *event) { struct arm_ccn *ccn; @@ -599,6 +623,7 @@ static int arm_ccn_pmu_event_init(struct perf_event *event) return -ENOENT; ccn = pmu_to_arm_ccn(event->pmu); + event->destroy = arm_ccn_pmu_event_destroy; if (hw->sample_period) { dev_warn(ccn->dev, "Sampling not supported!\n"); @@ -731,30 +756,6 @@ static int arm_ccn_pmu_event_init(struct perf_event *event) return 0; } -static void arm_ccn_pmu_event_free(struct perf_event *event) -{ - struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu); - struct hw_perf_event *hw = &event->hw; - - if (hw->idx == CCN_IDX_PMU_CYCLE_COUNTER) { - clear_bit(CCN_IDX_PMU_CYCLE_COUNTER, ccn->dt.pmu_counters_mask); - } else { - struct arm_ccn_component *source = - ccn->dt.pmu_counters[hw->idx].source; - - if (CCN_CONFIG_TYPE(event->attr.config) == CCN_TYPE_XP && - CCN_CONFIG_EVENT(event->attr.config) == - CCN_EVENT_WATCHPOINT) - clear_bit(hw->config_base, source->xp.dt_cmp_mask); - else - clear_bit(hw->config_base, source->pmu_events_mask); - clear_bit(hw->idx, ccn->dt.pmu_counters_mask); - } - - ccn->dt.pmu_counters[hw->idx].source = NULL; - ccn->dt.pmu_counters[hw->idx].event = NULL; -} - static u64 arm_ccn_pmu_read_counter(struct arm_ccn *ccn, int idx) { u64 res; @@ -1027,8 +1028,6 @@ static int arm_ccn_pmu_event_add(struct perf_event *event, int flags) static void arm_ccn_pmu_event_del(struct perf_event *event, int flags) { arm_ccn_pmu_event_stop(event, PERF_EF_UPDATE); - - arm_ccn_pmu_event_free(event); } static void arm_ccn_pmu_event_read(struct perf_event *event) diff --git a/drivers/cpufreq/cpufreq_opp.c b/drivers/cpufreq/cpufreq_opp.c index f7a32d2326c..773bcde893c 100644 --- a/drivers/cpufreq/cpufreq_opp.c +++ b/drivers/cpufreq/cpufreq_opp.c @@ -60,7 +60,7 @@ int dev_pm_opp_init_cpufreq_table(struct device *dev, goto out; } - freq_table = kcalloc(sizeof(*freq_table), (max_opps + 1), GFP_ATOMIC); + freq_table = kcalloc((max_opps + 1), sizeof(*freq_table), GFP_ATOMIC); if (!freq_table) { ret = -ENOMEM; goto out; diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index c5eac949760..0668b389c51 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -660,6 +660,7 @@ static const struct x86_cpu_id intel_pstate_cpu_ids[] = { ICPU(0x3f, core_params), ICPU(0x45, core_params), ICPU(0x46, core_params), + ICPU(0x4c, byt_params), ICPU(0x4f, core_params), ICPU(0x56, core_params), {} @@ -688,7 +689,7 @@ static int intel_pstate_init_cpu(unsigned int cpunum) add_timer_on(&cpu->timer, cpunum); - pr_info("Intel pstate controlling: cpu %d\n", cpunum); + pr_debug("Intel pstate controlling: cpu %d\n", cpunum); return 0; } @@ -707,10 +708,6 @@ static unsigned int intel_pstate_get(unsigned int cpu_num) static int intel_pstate_set_policy(struct cpufreq_policy *policy) { - struct cpudata *cpu; - - cpu = all_cpu_data[policy->cpu]; - if (!policy->cpuinfo.max_freq) return -ENODEV; diff --git a/drivers/cpufreq/s5pv210-cpufreq.c b/drivers/cpufreq/s5pv210-cpufreq.c index 9a68225a757..3f9791f07b8 100644 --- a/drivers/cpufreq/s5pv210-cpufreq.c +++ b/drivers/cpufreq/s5pv210-cpufreq.c @@ -501,7 +501,7 @@ static int check_mem_type(void __iomem *dmc_reg) return val >> 8; } -static int __init s5pv210_cpu_init(struct cpufreq_policy *policy) +static int s5pv210_cpu_init(struct cpufreq_policy *policy) { unsigned long mem_type; int ret; diff --git a/drivers/cpuidle/cpuidle-big_little.c b/drivers/cpuidle/cpuidle-big_little.c index 344d79fa340..ef94c3b81f1 100644 --- a/drivers/cpuidle/cpuidle-big_little.c +++ b/drivers/cpuidle/cpuidle-big_little.c @@ -138,25 +138,18 @@ static int bl_enter_powerdown(struct cpuidle_device *dev, return idx; } -static int __init bl_idle_driver_init(struct cpuidle_driver *drv, int cpu_id) +static int __init bl_idle_driver_init(struct cpuidle_driver *drv, int part_id) { - struct cpuinfo_arm *cpu_info; struct cpumask *cpumask; - unsigned long cpuid; int cpu; cpumask = kzalloc(cpumask_size(), GFP_KERNEL); if (!cpumask) return -ENOMEM; - for_each_possible_cpu(cpu) { - cpu_info = &per_cpu(cpu_data, cpu); - cpuid = is_smp() ? cpu_info->cpuid : read_cpuid_id(); - - /* read cpu id part number */ - if ((cpuid & 0xFFF0) == cpu_id) + for_each_possible_cpu(cpu) + if (smp_cpuid_part(cpu) == part_id) cpumask_set_cpu(cpu, cpumask); - } drv->cpumask = cpumask; diff --git a/drivers/dma-buf/fence.c b/drivers/dma-buf/fence.c index 4222cb2aa96..7bb9d65d9a2 100644 --- a/drivers/dma-buf/fence.c +++ b/drivers/dma-buf/fence.c @@ -29,7 +29,7 @@ EXPORT_TRACEPOINT_SYMBOL(fence_annotate_wait_on); EXPORT_TRACEPOINT_SYMBOL(fence_emit); -/** +/* * fence context counter: each execution context should have its own * fence context, this allows checking if fences belong to the same * context or not. One device can have multiple separate contexts, diff --git a/drivers/dma/dma-jz4740.c b/drivers/dma/dma-jz4740.c index 6a9d89c93b1..ae2ab14e64b 100644 --- a/drivers/dma/dma-jz4740.c +++ b/drivers/dma/dma-jz4740.c @@ -362,8 +362,9 @@ static void jz4740_dma_chan_irq(struct jz4740_dmaengine_chan *chan) vchan_cyclic_callback(&chan->desc->vdesc); } else { if (chan->next_sg == chan->desc->num_sgs) { - chan->desc = NULL; + list_del(&chan->desc->vdesc.node); vchan_cookie_complete(&chan->desc->vdesc); + chan->desc = NULL; } } } diff --git a/drivers/gpio/gpio-bt8xx.c b/drivers/gpio/gpio-bt8xx.c index 6557147d933..7e4c43c1896 100644 --- a/drivers/gpio/gpio-bt8xx.c +++ b/drivers/gpio/gpio-bt8xx.c @@ -241,9 +241,6 @@ static void bt8xxgpio_remove(struct pci_dev *pdev) bgwrite(~0x0, BT848_INT_STAT); bgwrite(0x0, BT848_GPIO_OUT_EN); - iounmap(bg->mmio); - release_mem_region(pci_resource_start(pdev, 0), - pci_resource_len(pdev, 0)); pci_disable_device(pdev); } diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c index a2cc6be9798..b792194e0d9 100644 --- a/drivers/gpu/drm/ast/ast_main.c +++ b/drivers/gpu/drm/ast/ast_main.c @@ -67,6 +67,7 @@ static int ast_detect_chip(struct drm_device *dev) { struct ast_private *ast = dev->dev_private; uint32_t data, jreg; + ast_open_key(ast); if (dev->pdev->device == PCI_CHIP_AST1180) { ast->chip = AST1100; @@ -104,7 +105,7 @@ static int ast_detect_chip(struct drm_device *dev) } ast->vga2_clone = false; } else { - ast->chip = 2000; + ast->chip = AST2000; DRM_INFO("AST 2000 detected\n"); } } diff --git a/drivers/gpu/drm/ast/ast_tables.h b/drivers/gpu/drm/ast/ast_tables.h index 4c761dcea97..05c01ea8529 100644 --- a/drivers/gpu/drm/ast/ast_tables.h +++ b/drivers/gpu/drm/ast/ast_tables.h @@ -99,6 +99,7 @@ static struct ast_vbios_dclk_info dclk_table[] = { {0x25, 0x65, 0x80}, /* 16: VCLK88.75 */ {0x77, 0x58, 0x80}, /* 17: VCLK119 */ {0x32, 0x67, 0x80}, /* 18: VCLK85_5 */ + {0x6a, 0x6d, 0x80}, /* 19: VCLK97_75 */ }; static struct ast_vbios_stdtable vbios_stdtable[] = { diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 0acb2de8e66..ecd4e0b4c52 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -4731,8 +4731,9 @@ int drm_mode_create_dumb_ioctl(struct drm_device *dev, return -EINVAL; /* overflow checks for 32bit size calculations */ + /* NOTE: DIV_ROUND_UP() can overflow */ cpp = DIV_ROUND_UP(args->bpp, 8); - if (cpp > 0xffffffffU / args->width) + if (!cpp || cpp > 0xffffffffU / args->width) return -EINVAL; stride = cpp * args->width; if (args->height > 0xffffffffU / stride) diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 8535f96f2c5..272d3d16147 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1337,12 +1337,17 @@ static int i915_load_modeset_init(struct drm_device *dev) intel_power_domains_init_hw(dev_priv); + /* + * We enable some interrupt sources in our postinstall hooks, so mark + * interrupts as enabled _before_ actually enabling them to avoid + * special cases in our ordering checks. + */ + dev_priv->pm._irqs_disabled = false; + ret = drm_irq_install(dev, dev->pdev->irq); if (ret) goto cleanup_gem_stolen; - dev_priv->pm._irqs_disabled = false; - /* Important: The output setup functions called by modeset_init need * working irqs for e.g. gmbus and dp aux transfers. */ intel_modeset_init(dev); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index ec33fe58ed2..357913c4f2c 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -191,6 +191,7 @@ enum hpd_pin { if ((1 << (domain)) & (mask)) struct drm_i915_private; +struct i915_mm_struct; struct i915_mmu_object; enum intel_dpll_id { @@ -1536,9 +1537,8 @@ struct drm_i915_private { struct i915_gtt gtt; /* VM representing the global address space */ struct i915_gem_mm mm; -#if defined(CONFIG_MMU_NOTIFIER) - DECLARE_HASHTABLE(mmu_notifiers, 7); -#endif + DECLARE_HASHTABLE(mm_structs, 7); + struct mutex mm_lock; /* Kernel Modesetting */ @@ -1846,8 +1846,8 @@ struct drm_i915_gem_object { unsigned workers :4; #define I915_GEM_USERPTR_MAX_WORKERS 15 - struct mm_struct *mm; - struct i915_mmu_object *mn; + struct i915_mm_struct *mm; + struct i915_mmu_object *mmu_object; struct work_struct *work; } userptr; }; diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index f1bb69377a3..1133bb3b276 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1590,10 +1590,13 @@ unlock: out: switch (ret) { case -EIO: - /* If this -EIO is due to a gpu hang, give the reset code a - * chance to clean up the mess. Otherwise return the proper - * SIGBUS. */ - if (i915_terminally_wedged(&dev_priv->gpu_error)) { + /* + * We eat errors when the gpu is terminally wedged to avoid + * userspace unduly crashing (gl has no provisions for mmaps to + * fail). But any other -EIO isn't ours (e.g. swap in failure) + * and so needs to be reported. + */ + if (!i915_terminally_wedged(&dev_priv->gpu_error)) { ret = VM_FAULT_SIGBUS; break; } diff --git a/drivers/gpu/drm/i915/i915_gem_userptr.c b/drivers/gpu/drm/i915/i915_gem_userptr.c index fe69fc837d9..d3841399737 100644 --- a/drivers/gpu/drm/i915/i915_gem_userptr.c +++ b/drivers/gpu/drm/i915/i915_gem_userptr.c @@ -32,6 +32,15 @@ #include <linux/mempolicy.h> #include <linux/swap.h> +struct i915_mm_struct { + struct mm_struct *mm; + struct drm_device *dev; + struct i915_mmu_notifier *mn; + struct hlist_node node; + struct kref kref; + struct work_struct work; +}; + #if defined(CONFIG_MMU_NOTIFIER) #include <linux/interval_tree.h> @@ -41,16 +50,12 @@ struct i915_mmu_notifier { struct mmu_notifier mn; struct rb_root objects; struct list_head linear; - struct drm_device *dev; - struct mm_struct *mm; - struct work_struct work; - unsigned long count; unsigned long serial; bool has_linear; }; struct i915_mmu_object { - struct i915_mmu_notifier *mmu; + struct i915_mmu_notifier *mn; struct interval_tree_node it; struct list_head link; struct drm_i915_gem_object *obj; @@ -96,18 +101,18 @@ static void *invalidate_range__linear(struct i915_mmu_notifier *mn, unsigned long start, unsigned long end) { - struct i915_mmu_object *mmu; + struct i915_mmu_object *mo; unsigned long serial; restart: serial = mn->serial; - list_for_each_entry(mmu, &mn->linear, link) { + list_for_each_entry(mo, &mn->linear, link) { struct drm_i915_gem_object *obj; - if (mmu->it.last < start || mmu->it.start > end) + if (mo->it.last < start || mo->it.start > end) continue; - obj = mmu->obj; + obj = mo->obj; drm_gem_object_reference(&obj->base); spin_unlock(&mn->lock); @@ -160,130 +165,47 @@ static const struct mmu_notifier_ops i915_gem_userptr_notifier = { }; static struct i915_mmu_notifier * -__i915_mmu_notifier_lookup(struct drm_device *dev, struct mm_struct *mm) -{ - struct drm_i915_private *dev_priv = to_i915(dev); - struct i915_mmu_notifier *mmu; - - /* Protected by dev->struct_mutex */ - hash_for_each_possible(dev_priv->mmu_notifiers, mmu, node, (unsigned long)mm) - if (mmu->mm == mm) - return mmu; - - return NULL; -} - -static struct i915_mmu_notifier * -i915_mmu_notifier_get(struct drm_device *dev, struct mm_struct *mm) +i915_mmu_notifier_create(struct mm_struct *mm) { - struct drm_i915_private *dev_priv = to_i915(dev); - struct i915_mmu_notifier *mmu; + struct i915_mmu_notifier *mn; int ret; - lockdep_assert_held(&dev->struct_mutex); - - mmu = __i915_mmu_notifier_lookup(dev, mm); - if (mmu) - return mmu; - - mmu = kmalloc(sizeof(*mmu), GFP_KERNEL); - if (mmu == NULL) + mn = kmalloc(sizeof(*mn), GFP_KERNEL); + if (mn == NULL) return ERR_PTR(-ENOMEM); - spin_lock_init(&mmu->lock); - mmu->dev = dev; - mmu->mn.ops = &i915_gem_userptr_notifier; - mmu->mm = mm; - mmu->objects = RB_ROOT; - mmu->count = 0; - mmu->serial = 1; - INIT_LIST_HEAD(&mmu->linear); - mmu->has_linear = false; - - /* Protected by mmap_sem (write-lock) */ - ret = __mmu_notifier_register(&mmu->mn, mm); + spin_lock_init(&mn->lock); + mn->mn.ops = &i915_gem_userptr_notifier; + mn->objects = RB_ROOT; + mn->serial = 1; + INIT_LIST_HEAD(&mn->linear); + mn->has_linear = false; + + /* Protected by mmap_sem (write-lock) */ + ret = __mmu_notifier_register(&mn->mn, mm); if (ret) { - kfree(mmu); + kfree(mn); return ERR_PTR(ret); } - /* Protected by dev->struct_mutex */ - hash_add(dev_priv->mmu_notifiers, &mmu->node, (unsigned long)mm); - return mmu; + return mn; } -static void -__i915_mmu_notifier_destroy_worker(struct work_struct *work) +static void __i915_mmu_notifier_update_serial(struct i915_mmu_notifier *mn) { - struct i915_mmu_notifier *mmu = container_of(work, typeof(*mmu), work); - mmu_notifier_unregister(&mmu->mn, mmu->mm); - kfree(mmu); -} - -static void -__i915_mmu_notifier_destroy(struct i915_mmu_notifier *mmu) -{ - lockdep_assert_held(&mmu->dev->struct_mutex); - - /* Protected by dev->struct_mutex */ - hash_del(&mmu->node); - - /* Our lock ordering is: mmap_sem, mmu_notifier_scru, struct_mutex. - * We enter the function holding struct_mutex, therefore we need - * to drop our mutex prior to calling mmu_notifier_unregister in - * order to prevent lock inversion (and system-wide deadlock) - * between the mmap_sem and struct-mutex. Hence we defer the - * unregistration to a workqueue where we hold no locks. - */ - INIT_WORK(&mmu->work, __i915_mmu_notifier_destroy_worker); - schedule_work(&mmu->work); -} - -static void __i915_mmu_notifier_update_serial(struct i915_mmu_notifier *mmu) -{ - if (++mmu->serial == 0) - mmu->serial = 1; -} - -static bool i915_mmu_notifier_has_linear(struct i915_mmu_notifier *mmu) -{ - struct i915_mmu_object *mn; - - list_for_each_entry(mn, &mmu->linear, link) - if (mn->is_linear) - return true; - - return false; -} - -static void -i915_mmu_notifier_del(struct i915_mmu_notifier *mmu, - struct i915_mmu_object *mn) -{ - lockdep_assert_held(&mmu->dev->struct_mutex); - - spin_lock(&mmu->lock); - list_del(&mn->link); - if (mn->is_linear) - mmu->has_linear = i915_mmu_notifier_has_linear(mmu); - else - interval_tree_remove(&mn->it, &mmu->objects); - __i915_mmu_notifier_update_serial(mmu); - spin_unlock(&mmu->lock); - - /* Protected against _add() by dev->struct_mutex */ - if (--mmu->count == 0) - __i915_mmu_notifier_destroy(mmu); + if (++mn->serial == 0) + mn->serial = 1; } static int -i915_mmu_notifier_add(struct i915_mmu_notifier *mmu, - struct i915_mmu_object *mn) +i915_mmu_notifier_add(struct drm_device *dev, + struct i915_mmu_notifier *mn, + struct i915_mmu_object *mo) { struct interval_tree_node *it; int ret; - ret = i915_mutex_lock_interruptible(mmu->dev); + ret = i915_mutex_lock_interruptible(dev); if (ret) return ret; @@ -291,11 +213,11 @@ i915_mmu_notifier_add(struct i915_mmu_notifier *mmu, * remove the objects from the interval tree) before we do * the check for overlapping objects. */ - i915_gem_retire_requests(mmu->dev); + i915_gem_retire_requests(dev); - spin_lock(&mmu->lock); - it = interval_tree_iter_first(&mmu->objects, - mn->it.start, mn->it.last); + spin_lock(&mn->lock); + it = interval_tree_iter_first(&mn->objects, + mo->it.start, mo->it.last); if (it) { struct drm_i915_gem_object *obj; @@ -312,86 +234,122 @@ i915_mmu_notifier_add(struct i915_mmu_notifier *mmu, obj = container_of(it, struct i915_mmu_object, it)->obj; if (!obj->userptr.workers) - mmu->has_linear = mn->is_linear = true; + mn->has_linear = mo->is_linear = true; else ret = -EAGAIN; } else - interval_tree_insert(&mn->it, &mmu->objects); + interval_tree_insert(&mo->it, &mn->objects); if (ret == 0) { - list_add(&mn->link, &mmu->linear); - __i915_mmu_notifier_update_serial(mmu); + list_add(&mo->link, &mn->linear); + __i915_mmu_notifier_update_serial(mn); } - spin_unlock(&mmu->lock); - mutex_unlock(&mmu->dev->struct_mutex); + spin_unlock(&mn->lock); + mutex_unlock(&dev->struct_mutex); return ret; } +static bool i915_mmu_notifier_has_linear(struct i915_mmu_notifier *mn) +{ + struct i915_mmu_object *mo; + + list_for_each_entry(mo, &mn->linear, link) + if (mo->is_linear) + return true; + + return false; +} + +static void +i915_mmu_notifier_del(struct i915_mmu_notifier *mn, + struct i915_mmu_object *mo) +{ + spin_lock(&mn->lock); + list_del(&mo->link); + if (mo->is_linear) + mn->has_linear = i915_mmu_notifier_has_linear(mn); + else + interval_tree_remove(&mo->it, &mn->objects); + __i915_mmu_notifier_update_serial(mn); + spin_unlock(&mn->lock); +} + static void i915_gem_userptr_release__mmu_notifier(struct drm_i915_gem_object *obj) { - struct i915_mmu_object *mn; + struct i915_mmu_object *mo; - mn = obj->userptr.mn; - if (mn == NULL) + mo = obj->userptr.mmu_object; + if (mo == NULL) return; - i915_mmu_notifier_del(mn->mmu, mn); - obj->userptr.mn = NULL; + i915_mmu_notifier_del(mo->mn, mo); + kfree(mo); + + obj->userptr.mmu_object = NULL; +} + +static struct i915_mmu_notifier * +i915_mmu_notifier_find(struct i915_mm_struct *mm) +{ + if (mm->mn == NULL) { + down_write(&mm->mm->mmap_sem); + mutex_lock(&to_i915(mm->dev)->mm_lock); + if (mm->mn == NULL) + mm->mn = i915_mmu_notifier_create(mm->mm); + mutex_unlock(&to_i915(mm->dev)->mm_lock); + up_write(&mm->mm->mmap_sem); + } + return mm->mn; } static int i915_gem_userptr_init__mmu_notifier(struct drm_i915_gem_object *obj, unsigned flags) { - struct i915_mmu_notifier *mmu; - struct i915_mmu_object *mn; + struct i915_mmu_notifier *mn; + struct i915_mmu_object *mo; int ret; if (flags & I915_USERPTR_UNSYNCHRONIZED) return capable(CAP_SYS_ADMIN) ? 0 : -EPERM; - down_write(&obj->userptr.mm->mmap_sem); - ret = i915_mutex_lock_interruptible(obj->base.dev); - if (ret == 0) { - mmu = i915_mmu_notifier_get(obj->base.dev, obj->userptr.mm); - if (!IS_ERR(mmu)) - mmu->count++; /* preemptive add to act as a refcount */ - else - ret = PTR_ERR(mmu); - mutex_unlock(&obj->base.dev->struct_mutex); - } - up_write(&obj->userptr.mm->mmap_sem); - if (ret) - return ret; + if (WARN_ON(obj->userptr.mm == NULL)) + return -EINVAL; - mn = kzalloc(sizeof(*mn), GFP_KERNEL); - if (mn == NULL) { - ret = -ENOMEM; - goto destroy_mmu; - } + mn = i915_mmu_notifier_find(obj->userptr.mm); + if (IS_ERR(mn)) + return PTR_ERR(mn); - mn->mmu = mmu; - mn->it.start = obj->userptr.ptr; - mn->it.last = mn->it.start + obj->base.size - 1; - mn->obj = obj; + mo = kzalloc(sizeof(*mo), GFP_KERNEL); + if (mo == NULL) + return -ENOMEM; - ret = i915_mmu_notifier_add(mmu, mn); - if (ret) - goto free_mn; + mo->mn = mn; + mo->it.start = obj->userptr.ptr; + mo->it.last = mo->it.start + obj->base.size - 1; + mo->obj = obj; - obj->userptr.mn = mn; + ret = i915_mmu_notifier_add(obj->base.dev, mn, mo); + if (ret) { + kfree(mo); + return ret; + } + + obj->userptr.mmu_object = mo; return 0; +} + +static void +i915_mmu_notifier_free(struct i915_mmu_notifier *mn, + struct mm_struct *mm) +{ + if (mn == NULL) + return; -free_mn: + mmu_notifier_unregister(&mn->mn, mm); kfree(mn); -destroy_mmu: - mutex_lock(&obj->base.dev->struct_mutex); - if (--mmu->count == 0) - __i915_mmu_notifier_destroy(mmu); - mutex_unlock(&obj->base.dev->struct_mutex); - return ret; } #else @@ -413,15 +371,114 @@ i915_gem_userptr_init__mmu_notifier(struct drm_i915_gem_object *obj, return 0; } + +static void +i915_mmu_notifier_free(struct i915_mmu_notifier *mn, + struct mm_struct *mm) +{ +} + #endif +static struct i915_mm_struct * +__i915_mm_struct_find(struct drm_i915_private *dev_priv, struct mm_struct *real) +{ + struct i915_mm_struct *mm; + + /* Protected by dev_priv->mm_lock */ + hash_for_each_possible(dev_priv->mm_structs, mm, node, (unsigned long)real) + if (mm->mm == real) + return mm; + + return NULL; +} + +static int +i915_gem_userptr_init__mm_struct(struct drm_i915_gem_object *obj) +{ + struct drm_i915_private *dev_priv = to_i915(obj->base.dev); + struct i915_mm_struct *mm; + int ret = 0; + + /* During release of the GEM object we hold the struct_mutex. This + * precludes us from calling mmput() at that time as that may be + * the last reference and so call exit_mmap(). exit_mmap() will + * attempt to reap the vma, and if we were holding a GTT mmap + * would then call drm_gem_vm_close() and attempt to reacquire + * the struct mutex. So in order to avoid that recursion, we have + * to defer releasing the mm reference until after we drop the + * struct_mutex, i.e. we need to schedule a worker to do the clean + * up. + */ + mutex_lock(&dev_priv->mm_lock); + mm = __i915_mm_struct_find(dev_priv, current->mm); + if (mm == NULL) { + mm = kmalloc(sizeof(*mm), GFP_KERNEL); + if (mm == NULL) { + ret = -ENOMEM; + goto out; + } + + kref_init(&mm->kref); + mm->dev = obj->base.dev; + + mm->mm = current->mm; + atomic_inc(¤t->mm->mm_count); + + mm->mn = NULL; + + /* Protected by dev_priv->mm_lock */ + hash_add(dev_priv->mm_structs, + &mm->node, (unsigned long)mm->mm); + } else + kref_get(&mm->kref); + + obj->userptr.mm = mm; +out: + mutex_unlock(&dev_priv->mm_lock); + return ret; +} + +static void +__i915_mm_struct_free__worker(struct work_struct *work) +{ + struct i915_mm_struct *mm = container_of(work, typeof(*mm), work); + i915_mmu_notifier_free(mm->mn, mm->mm); + mmdrop(mm->mm); + kfree(mm); +} + +static void +__i915_mm_struct_free(struct kref *kref) +{ + struct i915_mm_struct *mm = container_of(kref, typeof(*mm), kref); + + /* Protected by dev_priv->mm_lock */ + hash_del(&mm->node); + mutex_unlock(&to_i915(mm->dev)->mm_lock); + + INIT_WORK(&mm->work, __i915_mm_struct_free__worker); + schedule_work(&mm->work); +} + +static void +i915_gem_userptr_release__mm_struct(struct drm_i915_gem_object *obj) +{ + if (obj->userptr.mm == NULL) + return; + + kref_put_mutex(&obj->userptr.mm->kref, + __i915_mm_struct_free, + &to_i915(obj->base.dev)->mm_lock); + obj->userptr.mm = NULL; +} + struct get_pages_work { struct work_struct work; struct drm_i915_gem_object *obj; struct task_struct *task; }; - #if IS_ENABLED(CONFIG_SWIOTLB) #define swiotlb_active() swiotlb_nr_tbl() #else @@ -479,7 +536,7 @@ __i915_gem_userptr_get_pages_worker(struct work_struct *_work) if (pvec == NULL) pvec = drm_malloc_ab(num_pages, sizeof(struct page *)); if (pvec != NULL) { - struct mm_struct *mm = obj->userptr.mm; + struct mm_struct *mm = obj->userptr.mm->mm; down_read(&mm->mmap_sem); while (pinned < num_pages) { @@ -545,7 +602,7 @@ i915_gem_userptr_get_pages(struct drm_i915_gem_object *obj) pvec = NULL; pinned = 0; - if (obj->userptr.mm == current->mm) { + if (obj->userptr.mm->mm == current->mm) { pvec = kmalloc(num_pages*sizeof(struct page *), GFP_TEMPORARY | __GFP_NOWARN | __GFP_NORETRY); if (pvec == NULL) { @@ -651,17 +708,13 @@ static void i915_gem_userptr_release(struct drm_i915_gem_object *obj) { i915_gem_userptr_release__mmu_notifier(obj); - - if (obj->userptr.mm) { - mmput(obj->userptr.mm); - obj->userptr.mm = NULL; - } + i915_gem_userptr_release__mm_struct(obj); } static int i915_gem_userptr_dmabuf_export(struct drm_i915_gem_object *obj) { - if (obj->userptr.mn) + if (obj->userptr.mmu_object) return 0; return i915_gem_userptr_init__mmu_notifier(obj, 0); @@ -736,7 +789,6 @@ i915_gem_userptr_ioctl(struct drm_device *dev, void *data, struct drm_file *file return -ENODEV; } - /* Allocate the new object */ obj = i915_gem_object_alloc(dev); if (obj == NULL) return -ENOMEM; @@ -754,8 +806,8 @@ i915_gem_userptr_ioctl(struct drm_device *dev, void *data, struct drm_file *file * at binding. This means that we need to hook into the mmu_notifier * in order to detect if the mmu is destroyed. */ - ret = -ENOMEM; - if ((obj->userptr.mm = get_task_mm(current))) + ret = i915_gem_userptr_init__mm_struct(obj); + if (ret == 0) ret = i915_gem_userptr_init__mmu_notifier(obj, args->flags); if (ret == 0) ret = drm_gem_handle_create(file, &obj->base, &handle); @@ -772,9 +824,8 @@ i915_gem_userptr_ioctl(struct drm_device *dev, void *data, struct drm_file *file int i915_gem_init_userptr(struct drm_device *dev) { -#if defined(CONFIG_MMU_NOTIFIER) struct drm_i915_private *dev_priv = to_i915(dev); - hash_init(dev_priv->mmu_notifiers); -#endif + mutex_init(&dev_priv->mm_lock); + hash_init(dev_priv->mm_structs); return 0; } diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 203062e9345..1e4fb846d9a 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -336,16 +336,20 @@ #define GFX_OP_DESTBUFFER_INFO ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1) #define GFX_OP_DRAWRECT_INFO ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3)) #define GFX_OP_DRAWRECT_INFO_I965 ((0x7900<<16)|0x2) -#define SRC_COPY_BLT_CMD ((2<<29)|(0x43<<22)|4) + +#define COLOR_BLT_CMD (2<<29 | 0x40<<22 | (5-2)) +#define SRC_COPY_BLT_CMD ((2<<29)|(0x43<<22)|4) #define XY_SRC_COPY_BLT_CMD ((2<<29)|(0x53<<22)|6) #define XY_MONO_SRC_COPY_IMM_BLT ((2<<29)|(0x71<<22)|5) -#define XY_SRC_COPY_BLT_WRITE_ALPHA (1<<21) -#define XY_SRC_COPY_BLT_WRITE_RGB (1<<20) +#define BLT_WRITE_A (2<<20) +#define BLT_WRITE_RGB (1<<20) +#define BLT_WRITE_RGBA (BLT_WRITE_RGB | BLT_WRITE_A) #define BLT_DEPTH_8 (0<<24) #define BLT_DEPTH_16_565 (1<<24) #define BLT_DEPTH_16_1555 (2<<24) #define BLT_DEPTH_32 (3<<24) -#define BLT_ROP_GXCOPY (0xcc<<16) +#define BLT_ROP_SRC_COPY (0xcc<<16) +#define BLT_ROP_COLOR_COPY (0xf0<<16) #define XY_SRC_COPY_BLT_SRC_TILED (1<<15) /* 965+ only */ #define XY_SRC_COPY_BLT_DST_TILED (1<<11) /* 965+ only */ #define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2) diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 031c5657255..32d22339c13 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -1120,7 +1120,7 @@ init_vbt_defaults(struct drm_i915_private *dev_priv) } } -static int __init intel_no_opregion_vbt_callback(const struct dmi_system_id *id) +static int intel_no_opregion_vbt_callback(const struct dmi_system_id *id) { DRM_DEBUG_KMS("Falling back to manually reading VBT from " "VBIOS ROM for %s\n", diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index e8abfce4097..9212e6504e0 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -804,7 +804,7 @@ static const struct drm_encoder_funcs intel_crt_enc_funcs = { .destroy = intel_encoder_destroy, }; -static int __init intel_no_crt_dmi_callback(const struct dmi_system_id *id) +static int intel_no_crt_dmi_callback(const struct dmi_system_id *id) { DRM_INFO("Skipping CRT initialization for %s\n", id->ident); return 1; diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 0b327ebb2d9..32ede71fbe7 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2201,6 +2201,15 @@ intel_pin_and_fence_fb_obj(struct drm_device *dev, if (need_vtd_wa(dev) && alignment < 256 * 1024) alignment = 256 * 1024; + /* + * Global gtt pte registers are special registers which actually forward + * writes to a chunk of system memory. Which means that there is no risk + * that the register values disappear as soon as we call + * intel_runtime_pm_put(), so it is correct to wrap only the + * pin/unpin/fence and not more. + */ + intel_runtime_pm_get(dev_priv); + dev_priv->mm.interruptible = false; ret = i915_gem_object_pin_to_display_plane(obj, alignment, pipelined); if (ret) @@ -2218,12 +2227,14 @@ intel_pin_and_fence_fb_obj(struct drm_device *dev, i915_gem_object_pin_fence(obj); dev_priv->mm.interruptible = true; + intel_runtime_pm_put(dev_priv); return 0; err_unpin: i915_gem_object_unpin_from_display_plane(obj); err_interruptible: dev_priv->mm.interruptible = true; + intel_runtime_pm_put(dev_priv); return ret; } @@ -4168,10 +4179,6 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc) intel_set_pch_fifo_underrun_reporting(dev, pipe, false); intel_disable_pipe(dev_priv, pipe); - - if (intel_crtc->config.dp_encoder_is_mst) - intel_ddi_set_vc_payload_alloc(crtc, false); - ironlake_pfit_disable(intel_crtc); for_each_encoder_on_crtc(dev, crtc, encoder) @@ -4236,6 +4243,9 @@ static void haswell_crtc_disable(struct drm_crtc *crtc) intel_set_pch_fifo_underrun_reporting(dev, TRANSCODER_A, false); intel_disable_pipe(dev_priv, pipe); + if (intel_crtc->config.dp_encoder_is_mst) + intel_ddi_set_vc_payload_alloc(crtc, false); + intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder); ironlake_pfit_disable(intel_crtc); @@ -8253,6 +8263,7 @@ static int intel_crtc_cursor_set_obj(struct drm_crtc *crtc, uint32_t width, uint32_t height) { struct drm_device *dev = crtc->dev; + struct drm_i915_private *dev_priv = dev->dev_private; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); enum pipe pipe = intel_crtc->pipe; unsigned old_width, stride; @@ -8292,6 +8303,15 @@ static int intel_crtc_cursor_set_obj(struct drm_crtc *crtc, goto fail_locked; } + /* + * Global gtt pte registers are special registers which actually + * forward writes to a chunk of system memory. Which means that + * there is no risk that the register values disappear as soon + * as we call intel_runtime_pm_put(), so it is correct to wrap + * only the pin/unpin/fence and not more. + */ + intel_runtime_pm_get(dev_priv); + /* Note that the w/a also requires 2 PTE of padding following * the bo. We currently fill all unused PTE with the shadow * page and so we should always have valid PTE following the @@ -8304,16 +8324,20 @@ static int intel_crtc_cursor_set_obj(struct drm_crtc *crtc, ret = i915_gem_object_pin_to_display_plane(obj, alignment, NULL); if (ret) { DRM_DEBUG_KMS("failed to move cursor bo into the GTT\n"); + intel_runtime_pm_put(dev_priv); goto fail_locked; } ret = i915_gem_object_put_fence(obj); if (ret) { DRM_DEBUG_KMS("failed to release fence for cursor"); + intel_runtime_pm_put(dev_priv); goto fail_unpin; } addr = i915_gem_obj_ggtt_offset(obj); + + intel_runtime_pm_put(dev_priv); } else { int align = IS_I830(dev) ? 16 * 1024 : 256; ret = i915_gem_object_attach_phys(obj, align); @@ -12553,6 +12577,9 @@ static struct intel_quirk intel_quirks[] = { /* Acer C720 and C720P Chromebooks (Celeron 2955U) have backlights */ { 0x0a06, 0x1025, 0x0a11, quirk_backlight_present }, + /* Acer C720 Chromebook (Core i3 4005U) */ + { 0x0a16, 0x1025, 0x0a11, quirk_backlight_present }, + /* Toshiba CB35 Chromebook (Celeron 2955U) */ { 0x0a06, 0x1179, 0x0a88, quirk_backlight_present }, diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 6a2256cf1f2..a12a4d3363f 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -3661,24 +3661,12 @@ ironlake_dp_detect(struct intel_dp *intel_dp) return intel_dp_detect_dpcd(intel_dp); } -static enum drm_connector_status -g4x_dp_detect(struct intel_dp *intel_dp) +static int g4x_digital_port_connected(struct drm_device *dev, + struct intel_digital_port *intel_dig_port) { - struct drm_device *dev = intel_dp_to_dev(intel_dp); struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp); uint32_t bit; - /* Can't disconnect eDP, but you can close the lid... */ - if (is_edp(intel_dp)) { - enum drm_connector_status status; - - status = intel_panel_detect(dev); - if (status == connector_status_unknown) - status = connector_status_connected; - return status; - } - if (IS_VALLEYVIEW(dev)) { switch (intel_dig_port->port) { case PORT_B: @@ -3691,7 +3679,7 @@ g4x_dp_detect(struct intel_dp *intel_dp) bit = PORTD_HOTPLUG_LIVE_STATUS_VLV; break; default: - return connector_status_unknown; + return -EINVAL; } } else { switch (intel_dig_port->port) { @@ -3705,11 +3693,36 @@ g4x_dp_detect(struct intel_dp *intel_dp) bit = PORTD_HOTPLUG_LIVE_STATUS_G4X; break; default: - return connector_status_unknown; + return -EINVAL; } } if ((I915_READ(PORT_HOTPLUG_STAT) & bit) == 0) + return 0; + return 1; +} + +static enum drm_connector_status +g4x_dp_detect(struct intel_dp *intel_dp) +{ + struct drm_device *dev = intel_dp_to_dev(intel_dp); + struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp); + int ret; + + /* Can't disconnect eDP, but you can close the lid... */ + if (is_edp(intel_dp)) { + enum drm_connector_status status; + + status = intel_panel_detect(dev); + if (status == connector_status_unknown) + status = connector_status_connected; + return status; + } + + ret = g4x_digital_port_connected(dev, intel_dig_port); + if (ret == -EINVAL) + return connector_status_unknown; + else if (ret == 0) return connector_status_disconnected; return intel_dp_detect_dpcd(intel_dp); @@ -4067,8 +4080,14 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd) intel_display_power_get(dev_priv, power_domain); if (long_hpd) { - if (!ibx_digital_port_connected(dev_priv, intel_dig_port)) - goto mst_fail; + + if (HAS_PCH_SPLIT(dev)) { + if (!ibx_digital_port_connected(dev_priv, intel_dig_port)) + goto mst_fail; + } else { + if (g4x_digital_port_connected(dev, intel_dig_port) != 1) + goto mst_fail; + } if (!intel_dp_get_dpcd(intel_dp)) { goto mst_fail; diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index 1987491723a..a6bd1422e38 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -538,7 +538,7 @@ static const struct drm_encoder_funcs intel_lvds_enc_funcs = { .destroy = intel_encoder_destroy, }; -static int __init intel_no_lvds_dmi_callback(const struct dmi_system_id *id) +static int intel_no_lvds_dmi_callback(const struct dmi_system_id *id) { DRM_INFO("Skipping LVDS initialization for %s\n", id->ident); return 1; diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index 59b028f0b1e..8e374449c6b 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -801,7 +801,7 @@ static void pch_enable_backlight(struct intel_connector *connector) cpu_ctl2 = I915_READ(BLC_PWM_CPU_CTL2); if (cpu_ctl2 & BLM_PWM_ENABLE) { - WARN(1, "cpu backlight already enabled\n"); + DRM_DEBUG_KMS("cpu backlight already enabled\n"); cpu_ctl2 &= ~BLM_PWM_ENABLE; I915_WRITE(BLC_PWM_CPU_CTL2, cpu_ctl2); } @@ -845,7 +845,7 @@ static void i9xx_enable_backlight(struct intel_connector *connector) ctl = I915_READ(BLC_PWM_CTL); if (ctl & BACKLIGHT_DUTY_CYCLE_MASK_PNV) { - WARN(1, "backlight already enabled\n"); + DRM_DEBUG_KMS("backlight already enabled\n"); I915_WRITE(BLC_PWM_CTL, 0); } @@ -876,7 +876,7 @@ static void i965_enable_backlight(struct intel_connector *connector) ctl2 = I915_READ(BLC_PWM_CTL2); if (ctl2 & BLM_PWM_ENABLE) { - WARN(1, "backlight already enabled\n"); + DRM_DEBUG_KMS("backlight already enabled\n"); ctl2 &= ~BLM_PWM_ENABLE; I915_WRITE(BLC_PWM_CTL2, ctl2); } @@ -910,7 +910,7 @@ static void vlv_enable_backlight(struct intel_connector *connector) ctl2 = I915_READ(VLV_BLC_PWM_CTL2(pipe)); if (ctl2 & BLM_PWM_ENABLE) { - WARN(1, "backlight already enabled\n"); + DRM_DEBUG_KMS("backlight already enabled\n"); ctl2 &= ~BLM_PWM_ENABLE; I915_WRITE(VLV_BLC_PWM_CTL2(pipe), ctl2); } diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 4fb1ec95ec0..3c7283d8f16 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -1387,54 +1387,66 @@ i965_dispatch_execbuffer(struct intel_engine_cs *ring, /* Just userspace ABI convention to limit the wa batch bo to a resonable size */ #define I830_BATCH_LIMIT (256*1024) +#define I830_TLB_ENTRIES (2) +#define I830_WA_SIZE max(I830_TLB_ENTRIES*4096, I830_BATCH_LIMIT) static int i830_dispatch_execbuffer(struct intel_engine_cs *ring, u64 offset, u32 len, unsigned flags) { + u32 cs_offset = ring->scratch.gtt_offset; int ret; - if (flags & I915_DISPATCH_PINNED) { - ret = intel_ring_begin(ring, 4); - if (ret) - return ret; + ret = intel_ring_begin(ring, 6); + if (ret) + return ret; - intel_ring_emit(ring, MI_BATCH_BUFFER); - intel_ring_emit(ring, offset | (flags & I915_DISPATCH_SECURE ? 0 : MI_BATCH_NON_SECURE)); - intel_ring_emit(ring, offset + len - 8); - intel_ring_emit(ring, MI_NOOP); - intel_ring_advance(ring); - } else { - u32 cs_offset = ring->scratch.gtt_offset; + /* Evict the invalid PTE TLBs */ + intel_ring_emit(ring, COLOR_BLT_CMD | BLT_WRITE_RGBA); + intel_ring_emit(ring, BLT_DEPTH_32 | BLT_ROP_COLOR_COPY | 4096); + intel_ring_emit(ring, I830_TLB_ENTRIES << 16 | 4); /* load each page */ + intel_ring_emit(ring, cs_offset); + intel_ring_emit(ring, 0xdeadbeef); + intel_ring_emit(ring, MI_NOOP); + intel_ring_advance(ring); + if ((flags & I915_DISPATCH_PINNED) == 0) { if (len > I830_BATCH_LIMIT) return -ENOSPC; - ret = intel_ring_begin(ring, 9+3); + ret = intel_ring_begin(ring, 6 + 2); if (ret) return ret; - /* Blit the batch (which has now all relocs applied) to the stable batch - * scratch bo area (so that the CS never stumbles over its tlb - * invalidation bug) ... */ - intel_ring_emit(ring, XY_SRC_COPY_BLT_CMD | - XY_SRC_COPY_BLT_WRITE_ALPHA | - XY_SRC_COPY_BLT_WRITE_RGB); - intel_ring_emit(ring, BLT_DEPTH_32 | BLT_ROP_GXCOPY | 4096); - intel_ring_emit(ring, 0); - intel_ring_emit(ring, (DIV_ROUND_UP(len, 4096) << 16) | 1024); + + /* Blit the batch (which has now all relocs applied) to the + * stable batch scratch bo area (so that the CS never + * stumbles over its tlb invalidation bug) ... + */ + intel_ring_emit(ring, SRC_COPY_BLT_CMD | BLT_WRITE_RGBA); + intel_ring_emit(ring, BLT_DEPTH_32 | BLT_ROP_SRC_COPY | 4096); + intel_ring_emit(ring, DIV_ROUND_UP(len, 4096) << 16 | 1024); intel_ring_emit(ring, cs_offset); - intel_ring_emit(ring, 0); intel_ring_emit(ring, 4096); intel_ring_emit(ring, offset); + intel_ring_emit(ring, MI_FLUSH); + intel_ring_emit(ring, MI_NOOP); + intel_ring_advance(ring); /* ... and execute it. */ - intel_ring_emit(ring, MI_BATCH_BUFFER); - intel_ring_emit(ring, cs_offset | (flags & I915_DISPATCH_SECURE ? 0 : MI_BATCH_NON_SECURE)); - intel_ring_emit(ring, cs_offset + len - 8); - intel_ring_advance(ring); + offset = cs_offset; } + ret = intel_ring_begin(ring, 4); + if (ret) + return ret; + + intel_ring_emit(ring, MI_BATCH_BUFFER); + intel_ring_emit(ring, offset | (flags & I915_DISPATCH_SECURE ? 0 : MI_BATCH_NON_SECURE)); + intel_ring_emit(ring, offset + len - 8); + intel_ring_emit(ring, MI_NOOP); + intel_ring_advance(ring); + return 0; } @@ -2225,7 +2237,7 @@ int intel_init_render_ring_buffer(struct drm_device *dev) /* Workaround batchbuffer to combat CS tlb bug. */ if (HAS_BROKEN_CS_TLB(dev)) { - obj = i915_gem_alloc_object(dev, I830_BATCH_LIMIT); + obj = i915_gem_alloc_object(dev, I830_WA_SIZE); if (obj == NULL) { DRM_ERROR("Failed to allocate batch bo\n"); return -ENOMEM; diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c index 32186a65681..c14341ca3ef 100644 --- a/drivers/gpu/drm/i915/intel_tv.c +++ b/drivers/gpu/drm/i915/intel_tv.c @@ -854,6 +854,10 @@ intel_enable_tv(struct intel_encoder *encoder) struct drm_device *dev = encoder->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; + /* Prevents vblank waits from timing out in intel_tv_detect_type() */ + intel_wait_for_vblank(encoder->base.dev, + to_intel_crtc(encoder->base.crtc)->pipe); + I915_WRITE(TV_CTL, I915_READ(TV_CTL) | TV_ENC_ENABLE); } @@ -1311,6 +1315,7 @@ intel_tv_detect(struct drm_connector *connector, bool force) { struct drm_display_mode mode; struct intel_tv *intel_tv = intel_attached_tv(connector); + enum drm_connector_status status; int type; DRM_DEBUG_KMS("[CONNECTOR:%d:%s] force=%d\n", @@ -1328,16 +1333,19 @@ intel_tv_detect(struct drm_connector *connector, bool force) if (intel_get_load_detect_pipe(connector, &mode, &tmp, &ctx)) { type = intel_tv_detect_type(intel_tv, connector); intel_release_load_detect_pipe(connector, &tmp); + status = type < 0 ? + connector_status_disconnected : + connector_status_connected; } else - return connector_status_unknown; + status = connector_status_unknown; drm_modeset_drop_locks(&ctx); drm_modeset_acquire_fini(&ctx); } else return connector->status; - if (type < 0) - return connector_status_disconnected; + if (status != connector_status_connected) + return status; intel_tv->type = type; intel_tv_find_better_format(connector); diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c index 2e0eac7cdf8..9d00dcba695 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi.c @@ -258,28 +258,30 @@ static void set_hdmi_pdev(struct drm_device *dev, priv->hdmi_pdev = pdev; } +#ifdef CONFIG_OF +static int get_gpio(struct device *dev, struct device_node *of_node, const char *name) +{ + int gpio = of_get_named_gpio(of_node, name, 0); + if (gpio < 0) { + char name2[32]; + snprintf(name2, sizeof(name2), "%s-gpio", name); + gpio = of_get_named_gpio(of_node, name2, 0); + if (gpio < 0) { + dev_err(dev, "failed to get gpio: %s (%d)\n", + name, gpio); + gpio = -1; + } + } + return gpio; +} +#endif + static int hdmi_bind(struct device *dev, struct device *master, void *data) { static struct hdmi_platform_config config = {}; #ifdef CONFIG_OF struct device_node *of_node = dev->of_node; - int get_gpio(const char *name) - { - int gpio = of_get_named_gpio(of_node, name, 0); - if (gpio < 0) { - char name2[32]; - snprintf(name2, sizeof(name2), "%s-gpio", name); - gpio = of_get_named_gpio(of_node, name2, 0); - if (gpio < 0) { - dev_err(dev, "failed to get gpio: %s (%d)\n", - name, gpio); - gpio = -1; - } - } - return gpio; - } - if (of_device_is_compatible(of_node, "qcom,hdmi-tx-8074")) { static const char *hpd_reg_names[] = {"hpd-gdsc", "hpd-5v"}; static const char *pwr_reg_names[] = {"core-vdda", "core-vcc"}; @@ -312,12 +314,12 @@ static int hdmi_bind(struct device *dev, struct device *master, void *data) } config.mmio_name = "core_physical"; - config.ddc_clk_gpio = get_gpio("qcom,hdmi-tx-ddc-clk"); - config.ddc_data_gpio = get_gpio("qcom,hdmi-tx-ddc-data"); - config.hpd_gpio = get_gpio("qcom,hdmi-tx-hpd"); - config.mux_en_gpio = get_gpio("qcom,hdmi-tx-mux-en"); - config.mux_sel_gpio = get_gpio("qcom,hdmi-tx-mux-sel"); - config.mux_lpm_gpio = get_gpio("qcom,hdmi-tx-mux-lpm"); + config.ddc_clk_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-ddc-clk"); + config.ddc_data_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-ddc-data"); + config.hpd_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-hpd"); + config.mux_en_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-mux-en"); + config.mux_sel_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-mux-sel"); + config.mux_lpm_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-mux-lpm"); #else static const char *hpd_clk_names[] = { diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_phy_8960.c b/drivers/gpu/drm/msm/hdmi/hdmi_phy_8960.c index 902d7685d44..f408b69486a 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi_phy_8960.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi_phy_8960.c @@ -15,19 +15,25 @@ * this program. If not, see <http://www.gnu.org/licenses/>. */ +#ifdef CONFIG_COMMON_CLK #include <linux/clk.h> #include <linux/clk-provider.h> +#endif #include "hdmi.h" struct hdmi_phy_8960 { struct hdmi_phy base; struct hdmi *hdmi; +#ifdef CONFIG_COMMON_CLK struct clk_hw pll_hw; struct clk *pll; unsigned long pixclk; +#endif }; #define to_hdmi_phy_8960(x) container_of(x, struct hdmi_phy_8960, base) + +#ifdef CONFIG_COMMON_CLK #define clk_to_phy(x) container_of(x, struct hdmi_phy_8960, pll_hw) /* @@ -374,7 +380,7 @@ static struct clk_init_data pll_init = { .parent_names = hdmi_pll_parents, .num_parents = ARRAY_SIZE(hdmi_pll_parents), }; - +#endif /* * HDMI Phy: @@ -480,12 +486,15 @@ struct hdmi_phy *hdmi_phy_8960_init(struct hdmi *hdmi) { struct hdmi_phy_8960 *phy_8960; struct hdmi_phy *phy = NULL; - int ret, i; + int ret; +#ifdef CONFIG_COMMON_CLK + int i; /* sanity check: */ for (i = 0; i < (ARRAY_SIZE(freqtbl) - 1); i++) if (WARN_ON(freqtbl[i].rate < freqtbl[i+1].rate)) return ERR_PTR(-EINVAL); +#endif phy_8960 = kzalloc(sizeof(*phy_8960), GFP_KERNEL); if (!phy_8960) { @@ -499,6 +508,7 @@ struct hdmi_phy *hdmi_phy_8960_init(struct hdmi *hdmi) phy_8960->hdmi = hdmi; +#ifdef CONFIG_COMMON_CLK phy_8960->pll_hw.init = &pll_init; phy_8960->pll = devm_clk_register(hdmi->dev->dev, &phy_8960->pll_hw); if (IS_ERR(phy_8960->pll)) { @@ -506,6 +516,7 @@ struct hdmi_phy *hdmi_phy_8960_init(struct hdmi *hdmi) phy_8960->pll = NULL; goto fail; } +#endif return phy; diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c index f9bc0ef8b83..7d00f7fb577 100644 --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c +++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c @@ -402,6 +402,7 @@ static void mdp4_crtc_prepare(struct drm_crtc *crtc) struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); DBG("%s", mdp4_crtc->name); /* make sure we hold a ref to mdp clks while setting up mode: */ + drm_crtc_vblank_get(crtc); mdp4_enable(get_kms(crtc)); mdp4_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); } @@ -412,6 +413,7 @@ static void mdp4_crtc_commit(struct drm_crtc *crtc) crtc_flush(crtc); /* drop the ref to mdp clk's that we got in prepare: */ mdp4_disable(get_kms(crtc)); + drm_crtc_vblank_put(crtc); } static int mdp4_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 307d52d4ece..b67ef598512 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -52,7 +52,7 @@ module_param(reglog, bool, 0600); #define reglog 0 #endif -static char *vram; +static char *vram = "16m"; MODULE_PARM_DESC(vram, "Configure VRAM size (for devices without IOMMU/GPUMMU"); module_param(vram, charp, 0); @@ -948,12 +948,11 @@ static int msm_pdev_probe(struct platform_device *pdev) for (i = 0; i < ARRAY_SIZE(devnames); i++) { struct device *dev; - int ret; dev = bus_find_device_by_name(&platform_bus_type, NULL, devnames[i]); if (!dev) { - dev_info(master, "still waiting for %s\n", devnames[i]); + dev_info(&pdev->dev, "still waiting for %s\n", devnames[i]); return -EPROBE_DEFER; } diff --git a/drivers/gpu/drm/msm/msm_fbdev.c b/drivers/gpu/drm/msm/msm_fbdev.c index 9c5221ce391..ab5bfd2d0eb 100644 --- a/drivers/gpu/drm/msm/msm_fbdev.c +++ b/drivers/gpu/drm/msm/msm_fbdev.c @@ -143,7 +143,7 @@ static int msm_fbdev_create(struct drm_fb_helper *helper, ret = msm_gem_get_iova_locked(fbdev->bo, 0, &paddr); if (ret) { dev_err(dev->dev, "failed to get buffer obj iova: %d\n", ret); - goto fail; + goto fail_unlock; } fbi = framebuffer_alloc(0, dev->dev); diff --git a/drivers/gpu/drm/msm/msm_iommu.c b/drivers/gpu/drm/msm/msm_iommu.c index 099af483fdf..7acdaa5688b 100644 --- a/drivers/gpu/drm/msm/msm_iommu.c +++ b/drivers/gpu/drm/msm/msm_iommu.c @@ -27,8 +27,8 @@ struct msm_iommu { static int msm_fault_handler(struct iommu_domain *iommu, struct device *dev, unsigned long iova, int flags, void *arg) { - DBG("*** fault: iova=%08lx, flags=%d", iova, flags); - return -ENOSYS; + pr_warn_ratelimited("*** fault: iova=%08lx, flags=%d\n", iova, flags); + return 0; } static int msm_iommu_attach(struct msm_mmu *mmu, const char **names, int cnt) diff --git a/drivers/gpu/drm/nouveau/core/core/parent.c b/drivers/gpu/drm/nouveau/core/core/parent.c index 8701968a974..30a2911878f 100644 --- a/drivers/gpu/drm/nouveau/core/core/parent.c +++ b/drivers/gpu/drm/nouveau/core/core/parent.c @@ -86,7 +86,7 @@ nouveau_parent_lclass(struct nouveau_object *parent, u32 *lclass, int size) sclass = nv_parent(parent)->sclass; while (sclass) { if (++nr < size) - lclass[nr] = sclass->oclass->handle; + lclass[nr] = sclass->oclass->handle & 0xffff; sclass = sclass->sclass; } @@ -96,7 +96,7 @@ nouveau_parent_lclass(struct nouveau_object *parent, u32 *lclass, int size) if (engine && (oclass = engine->sclass)) { while (oclass->ofuncs) { if (++nr < size) - lclass[nr] = oclass->handle; + lclass[nr] = oclass->handle & 0xffff; oclass++; } } diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c index b1e11f8434e..ac14b67621d 100644 --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -405,16 +405,13 @@ bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector) u8 msg[DP_DPCD_SIZE]; int ret; - char dpcd_hex_dump[DP_DPCD_SIZE * 3]; - ret = drm_dp_dpcd_read(&radeon_connector->ddc_bus->aux, DP_DPCD_REV, msg, DP_DPCD_SIZE); if (ret > 0) { memcpy(dig_connector->dpcd, msg, DP_DPCD_SIZE); - hex_dump_to_buffer(dig_connector->dpcd, sizeof(dig_connector->dpcd), - 32, 1, dpcd_hex_dump, sizeof(dpcd_hex_dump), false); - DRM_DEBUG_KMS("DPCD: %s\n", dpcd_hex_dump); + DRM_DEBUG_KMS("DPCD: %*ph\n", (int)sizeof(dig_connector->dpcd), + dig_connector->dpcd); radeon_dp_probe_oui(radeon_connector); diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 0b5a230d8b9..0d761f73a7f 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -5750,20 +5750,17 @@ static int cik_pcie_gart_enable(struct radeon_device *rdev) WREG32(0x15D8, 0); WREG32(0x15DC, 0); - /* empty context1-15 */ - /* FIXME start with 4G, once using 2 level pt switch to full - * vm size space - */ + /* restore context1-15 */ /* set vm size, must be a multiple of 4 */ WREG32(VM_CONTEXT1_PAGE_TABLE_START_ADDR, 0); WREG32(VM_CONTEXT1_PAGE_TABLE_END_ADDR, rdev->vm_manager.max_pfn); for (i = 1; i < 16; i++) { if (i < 8) WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2), - rdev->gart.table_addr >> 12); + rdev->vm_manager.saved_table_addr[i]); else WREG32(VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((i - 8) << 2), - rdev->gart.table_addr >> 12); + rdev->vm_manager.saved_table_addr[i]); } /* enable context1-15 */ @@ -5828,6 +5825,17 @@ static int cik_pcie_gart_enable(struct radeon_device *rdev) */ static void cik_pcie_gart_disable(struct radeon_device *rdev) { + unsigned i; + + for (i = 1; i < 16; ++i) { + uint32_t reg; + if (i < 8) + reg = VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2); + else + reg = VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((i - 8) << 2); + rdev->vm_manager.saved_table_addr[i] = RREG32(reg); + } + /* Disable all tables */ WREG32(VM_CONTEXT0_CNTL, 0); WREG32(VM_CONTEXT1_CNTL, 0); @@ -9558,6 +9566,9 @@ static void cik_pcie_gen3_enable(struct radeon_device *rdev) int ret, i; u16 tmp16; + if (pci_is_root_bus(rdev->pdev->bus)) + return; + if (radeon_pcie_gen2 == 0) return; @@ -9784,7 +9795,8 @@ static void cik_program_aspm(struct radeon_device *rdev) if (orig != data) WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, data); - if (!disable_clkreq) { + if (!disable_clkreq && + !pci_is_root_bus(rdev->pdev->bus)) { struct pci_dev *root = rdev->pdev->bus->self; u32 lnkcap; diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index ba89375f197..3faee58946d 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1271,7 +1271,7 @@ static int cayman_pcie_gart_enable(struct radeon_device *rdev) WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0); WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), rdev->vm_manager.max_pfn); WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2), - rdev->gart.table_addr >> 12); + rdev->vm_manager.saved_table_addr[i]); } /* enable context1-7 */ @@ -1303,6 +1303,13 @@ static int cayman_pcie_gart_enable(struct radeon_device *rdev) static void cayman_pcie_gart_disable(struct radeon_device *rdev) { + unsigned i; + + for (i = 1; i < 8; ++i) { + rdev->vm_manager.saved_table_addr[i] = RREG32( + VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2)); + } + /* Disable all tables */ WREG32(VM_CONTEXT0_CNTL, 0); WREG32(VM_CONTEXT1_CNTL, 0); diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 5e9146b968b..25f367ac463 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -1904,7 +1904,6 @@ static void r600_gpu_init(struct radeon_device *rdev) { u32 tiling_config; u32 ramcfg; - u32 cc_rb_backend_disable; u32 cc_gc_shader_pipe_config; u32 tmp; int i, j; @@ -2031,29 +2030,20 @@ static void r600_gpu_init(struct radeon_device *rdev) } tiling_config |= BANK_SWAPS(1); - cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000; - tmp = R6XX_MAX_BACKENDS - - r600_count_pipe_bits((cc_rb_backend_disable >> 16) & R6XX_MAX_BACKENDS_MASK); - if (tmp < rdev->config.r600.max_backends) { - rdev->config.r600.max_backends = tmp; - } - cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0x00ffff00; - tmp = R6XX_MAX_PIPES - - r600_count_pipe_bits((cc_gc_shader_pipe_config >> 8) & R6XX_MAX_PIPES_MASK); - if (tmp < rdev->config.r600.max_pipes) { - rdev->config.r600.max_pipes = tmp; - } - tmp = R6XX_MAX_SIMDS - - r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R6XX_MAX_SIMDS_MASK); - if (tmp < rdev->config.r600.max_simds) { - rdev->config.r600.max_simds = tmp; - } tmp = rdev->config.r600.max_simds - r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R6XX_MAX_SIMDS_MASK); rdev->config.r600.active_simds = tmp; disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R6XX_MAX_BACKENDS_MASK; + tmp = 0; + for (i = 0; i < rdev->config.r600.max_backends; i++) + tmp |= (1 << i); + /* if all the backends are disabled, fix it up here */ + if ((disabled_rb_mask & tmp) == tmp) { + for (i = 0; i < rdev->config.r600.max_backends; i++) + disabled_rb_mask &= ~(1 << i); + } tmp = (tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT; tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.r600.max_backends, R6XX_MAX_BACKENDS, disabled_rb_mask); @@ -2871,8 +2861,8 @@ bool r600_semaphore_ring_emit(struct radeon_device *rdev, radeon_ring_write(ring, lower_32_bits(addr)); radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | sel); - /* PFP_SYNC_ME packet only exists on 7xx+ */ - if (emit_wait && (rdev->family >= CHIP_RV770)) { + /* PFP_SYNC_ME packet only exists on 7xx+, only enable it on eg+ */ + if (emit_wait && (rdev->family >= CHIP_CEDAR)) { /* Prevent the PFP from running ahead of the semaphore wait */ radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0)); radeon_ring_write(ring, 0x0); diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 2e41dc12cd0..82b0e11ade8 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -925,6 +925,8 @@ struct radeon_vm_manager { u64 vram_base_offset; /* is vm enabled? */ bool enabled; + /* for hw to save the PD addr on suspend/resume */ + uint32_t saved_table_addr[RADEON_NUM_VM]; }; /* diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 92b2d8dd473..e74c7e387dd 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -447,6 +447,13 @@ static bool radeon_atom_apply_quirks(struct drm_device *dev, } } + /* Fujitsu D3003-S2 board lists DVI-I as DVI-I and VGA */ + if ((dev->pdev->device == 0x9805) && + (dev->pdev->subsystem_vendor == 0x1734) && + (dev->pdev->subsystem_device == 0x11bd)) { + if (*connector_type == DRM_MODE_CONNECTOR_VGA) + return false; + } return true; } @@ -2281,19 +2288,31 @@ static void radeon_atombios_add_pplib_thermal_controller(struct radeon_device *r (controller->ucFanParameters & ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with"); rdev->pm.int_thermal_type = THERMAL_TYPE_KV; - } else if ((controller->ucType == - ATOM_PP_THERMALCONTROLLER_EXTERNAL_GPIO) || - (controller->ucType == - ATOM_PP_THERMALCONTROLLER_ADT7473_WITH_INTERNAL) || - (controller->ucType == - ATOM_PP_THERMALCONTROLLER_EMC2103_WITH_INTERNAL)) { - DRM_INFO("Special thermal controller config\n"); + } else if (controller->ucType == + ATOM_PP_THERMALCONTROLLER_EXTERNAL_GPIO) { + DRM_INFO("External GPIO thermal controller %s fan control\n", + (controller->ucFanParameters & + ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with"); + rdev->pm.int_thermal_type = THERMAL_TYPE_EXTERNAL_GPIO; + } else if (controller->ucType == + ATOM_PP_THERMALCONTROLLER_ADT7473_WITH_INTERNAL) { + DRM_INFO("ADT7473 with internal thermal controller %s fan control\n", + (controller->ucFanParameters & + ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with"); + rdev->pm.int_thermal_type = THERMAL_TYPE_ADT7473_WITH_INTERNAL; + } else if (controller->ucType == + ATOM_PP_THERMALCONTROLLER_EMC2103_WITH_INTERNAL) { + DRM_INFO("EMC2103 with internal thermal controller %s fan control\n", + (controller->ucFanParameters & + ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with"); + rdev->pm.int_thermal_type = THERMAL_TYPE_EMC2103_WITH_INTERNAL; } else if (controller->ucType < ARRAY_SIZE(pp_lib_thermal_controller_names)) { DRM_INFO("Possible %s thermal controller at 0x%02x %s fan control\n", pp_lib_thermal_controller_names[controller->ucType], controller->ucI2cAddress >> 1, (controller->ucFanParameters & ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with"); + rdev->pm.int_thermal_type = THERMAL_TYPE_EXTERNAL; i2c_bus = radeon_lookup_i2c_gpio(rdev, controller->ucI2cLine); rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus); if (rdev->pm.i2c_bus) { diff --git a/drivers/gpu/drm/radeon/radeon_semaphore.c b/drivers/gpu/drm/radeon/radeon_semaphore.c index 5bfbd8372a3..4d4b0773638 100644 --- a/drivers/gpu/drm/radeon/radeon_semaphore.c +++ b/drivers/gpu/drm/radeon/radeon_semaphore.c @@ -34,7 +34,7 @@ int radeon_semaphore_create(struct radeon_device *rdev, struct radeon_semaphore **semaphore) { - uint32_t *cpu_addr; + uint64_t *cpu_addr; int i, r; *semaphore = kmalloc(sizeof(struct radeon_semaphore), GFP_KERNEL); diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index 2983f17ea1b..d9f5ce715c9 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -1177,7 +1177,6 @@ static void rv770_gpu_init(struct radeon_device *rdev) u32 hdp_host_path_cntl; u32 sq_dyn_gpr_size_simd_ab_0; u32 gb_tiling_config = 0; - u32 cc_rb_backend_disable = 0; u32 cc_gc_shader_pipe_config = 0; u32 mc_arb_ramcfg; u32 db_debug4, tmp; @@ -1311,21 +1310,7 @@ static void rv770_gpu_init(struct radeon_device *rdev) WREG32(SPI_CONFIG_CNTL, 0); } - cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000; - tmp = R7XX_MAX_BACKENDS - r600_count_pipe_bits(cc_rb_backend_disable >> 16); - if (tmp < rdev->config.rv770.max_backends) { - rdev->config.rv770.max_backends = tmp; - } - cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00; - tmp = R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config >> 8) & R7XX_MAX_PIPES_MASK); - if (tmp < rdev->config.rv770.max_pipes) { - rdev->config.rv770.max_pipes = tmp; - } - tmp = R7XX_MAX_SIMDS - r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R7XX_MAX_SIMDS_MASK); - if (tmp < rdev->config.rv770.max_simds) { - rdev->config.rv770.max_simds = tmp; - } tmp = rdev->config.rv770.max_simds - r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R7XX_MAX_SIMDS_MASK); rdev->config.rv770.active_simds = tmp; @@ -1348,6 +1333,14 @@ static void rv770_gpu_init(struct radeon_device *rdev) rdev->config.rv770.tiling_npipes = rdev->config.rv770.max_tile_pipes; disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R7XX_MAX_BACKENDS_MASK; + tmp = 0; + for (i = 0; i < rdev->config.rv770.max_backends; i++) + tmp |= (1 << i); + /* if all the backends are disabled, fix it up here */ + if ((disabled_rb_mask & tmp) == tmp) { + for (i = 0; i < rdev->config.rv770.max_backends; i++) + disabled_rb_mask &= ~(1 << i); + } tmp = (gb_tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT; tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.rv770.max_backends, R7XX_MAX_BACKENDS, disabled_rb_mask); diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index a1274a31405..6bce4084775 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -4290,10 +4290,10 @@ static int si_pcie_gart_enable(struct radeon_device *rdev) for (i = 1; i < 16; i++) { if (i < 8) WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2), - rdev->gart.table_addr >> 12); + rdev->vm_manager.saved_table_addr[i]); else WREG32(VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((i - 8) << 2), - rdev->gart.table_addr >> 12); + rdev->vm_manager.saved_table_addr[i]); } /* enable context1-15 */ @@ -4325,6 +4325,17 @@ static int si_pcie_gart_enable(struct radeon_device *rdev) static void si_pcie_gart_disable(struct radeon_device *rdev) { + unsigned i; + + for (i = 1; i < 16; ++i) { + uint32_t reg; + if (i < 8) + reg = VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2); + else + reg = VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((i - 8) << 2); + rdev->vm_manager.saved_table_addr[i] = RREG32(reg); + } + /* Disable all tables */ WREG32(VM_CONTEXT0_CNTL, 0); WREG32(VM_CONTEXT1_CNTL, 0); @@ -7177,6 +7188,9 @@ static void si_pcie_gen3_enable(struct radeon_device *rdev) int ret, i; u16 tmp16; + if (pci_is_root_bus(rdev->pdev->bus)) + return; + if (radeon_pcie_gen2 == 0) return; @@ -7454,7 +7468,8 @@ static void si_program_aspm(struct radeon_device *rdev) if (orig != data) WREG32_PIF_PHY1(PB1_PIF_CNTL, data); - if (!disable_clkreq) { + if (!disable_clkreq && + !pci_is_root_bus(rdev->pdev->bus)) { struct pci_dev *root = rdev->pdev->bus->self; u32 lnkcap; diff --git a/drivers/gpu/drm/sti/Kconfig b/drivers/gpu/drm/sti/Kconfig index 2d9d4252d59..ae8850f3e63 100644 --- a/drivers/gpu/drm/sti/Kconfig +++ b/drivers/gpu/drm/sti/Kconfig @@ -1,6 +1,7 @@ config DRM_STI tristate "DRM Support for STMicroelectronics SoC stiH41x Series" depends on DRM && (SOC_STIH415 || SOC_STIH416 || ARCH_MULTIPLATFORM) + select RESET_CONTROLLER select DRM_KMS_HELPER select DRM_GEM_CMA_HELPER select DRM_KMS_CMA_HELPER diff --git a/drivers/gpu/drm/sti/sti_drm_drv.c b/drivers/gpu/drm/sti/sti_drm_drv.c index a7cc24917a9..223d93c3a05 100644 --- a/drivers/gpu/drm/sti/sti_drm_drv.c +++ b/drivers/gpu/drm/sti/sti_drm_drv.c @@ -201,8 +201,8 @@ static int sti_drm_platform_probe(struct platform_device *pdev) master = platform_device_register_resndata(dev, DRIVER_NAME "__master", -1, NULL, 0, NULL, 0); - if (!master) - return -EINVAL; + if (IS_ERR(master)) + return PTR_ERR(master); platform_set_drvdata(pdev, master); return 0; diff --git a/drivers/gpu/drm/sti/sti_hda.c b/drivers/gpu/drm/sti/sti_hda.c index 72d957f81c0..2ae9a9b7366 100644 --- a/drivers/gpu/drm/sti/sti_hda.c +++ b/drivers/gpu/drm/sti/sti_hda.c @@ -730,16 +730,16 @@ static int sti_hda_probe(struct platform_device *pdev) return -ENOMEM; } hda->regs = devm_ioremap_nocache(dev, res->start, resource_size(res)); - if (IS_ERR(hda->regs)) - return PTR_ERR(hda->regs); + if (!hda->regs) + return -ENOMEM; res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "video-dacs-ctrl"); if (res) { hda->video_dacs_ctrl = devm_ioremap_nocache(dev, res->start, resource_size(res)); - if (IS_ERR(hda->video_dacs_ctrl)) - return PTR_ERR(hda->video_dacs_ctrl); + if (!hda->video_dacs_ctrl) + return -ENOMEM; } else { /* If no existing video-dacs-ctrl resource continue the probe */ DRM_DEBUG_DRIVER("No video-dacs-ctrl resource\n"); @@ -770,7 +770,7 @@ static int sti_hda_remove(struct platform_device *pdev) return 0; } -static struct of_device_id hda_of_match[] = { +static const struct of_device_id hda_of_match[] = { { .compatible = "st,stih416-hda", }, { .compatible = "st,stih407-hda", }, { /* end node */ } diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c index 284e541d970..ef93156a69c 100644 --- a/drivers/gpu/drm/sti/sti_hdmi.c +++ b/drivers/gpu/drm/sti/sti_hdmi.c @@ -677,7 +677,7 @@ static const struct component_ops sti_hdmi_ops = { .unbind = sti_hdmi_unbind, }; -static struct of_device_id hdmi_of_match[] = { +static const struct of_device_id hdmi_of_match[] = { { .compatible = "st,stih416-hdmi", .data = &tx3g0c55phy_ops, @@ -713,8 +713,8 @@ static int sti_hdmi_probe(struct platform_device *pdev) return -ENOMEM; } hdmi->regs = devm_ioremap_nocache(dev, res->start, resource_size(res)); - if (IS_ERR(hdmi->regs)) - return PTR_ERR(hdmi->regs); + if (!hdmi->regs) + return -ENOMEM; if (of_device_is_compatible(np, "st,stih416-hdmi")) { res = platform_get_resource_byname(pdev, IORESOURCE_MEM, @@ -725,8 +725,8 @@ static int sti_hdmi_probe(struct platform_device *pdev) } hdmi->syscfg = devm_ioremap_nocache(dev, res->start, resource_size(res)); - if (IS_ERR(hdmi->syscfg)) - return PTR_ERR(hdmi->syscfg); + if (!hdmi->syscfg) + return -ENOMEM; } diff --git a/drivers/gpu/drm/sti/sti_tvout.c b/drivers/gpu/drm/sti/sti_tvout.c index b69e26fee76..b8afe490356 100644 --- a/drivers/gpu/drm/sti/sti_tvout.c +++ b/drivers/gpu/drm/sti/sti_tvout.c @@ -591,8 +591,8 @@ static int sti_tvout_probe(struct platform_device *pdev) return -ENOMEM; } tvout->regs = devm_ioremap_nocache(dev, res->start, resource_size(res)); - if (IS_ERR(tvout->regs)) - return PTR_ERR(tvout->regs); + if (!tvout->regs) + return -ENOMEM; /* get reset resources */ tvout->reset = devm_reset_control_get(dev, "tvout"); @@ -624,7 +624,7 @@ static int sti_tvout_remove(struct platform_device *pdev) return 0; } -static struct of_device_id tvout_of_match[] = { +static const struct of_device_id tvout_of_match[] = { { .compatible = "st,stih416-tvout", }, { .compatible = "st,stih407-tvout", }, { /* end node */ } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index b4de3b2a7cc..596cd6dafd3 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -448,11 +448,11 @@ static int vmw_cmd_res_reloc_add(struct vmw_private *dev_priv, res, id_loc - sw_context->buf_start); if (unlikely(ret != 0)) - goto out_err; + return ret; ret = vmw_resource_val_add(sw_context, res, &node); if (unlikely(ret != 0)) - goto out_err; + return ret; if (res_type == vmw_res_context && dev_priv->has_mob && node->first_usage) { @@ -466,13 +466,13 @@ static int vmw_cmd_res_reloc_add(struct vmw_private *dev_priv, ret = vmw_resource_context_res_add(dev_priv, sw_context, res); if (unlikely(ret != 0)) - goto out_err; + return ret; node->staged_bindings = kzalloc(sizeof(*node->staged_bindings), GFP_KERNEL); if (node->staged_bindings == NULL) { DRM_ERROR("Failed to allocate context binding " "information.\n"); - goto out_err; + return -ENOMEM; } INIT_LIST_HEAD(&node->staged_bindings->list); } @@ -480,8 +480,7 @@ static int vmw_cmd_res_reloc_add(struct vmw_private *dev_priv, if (p_val) *p_val = node; -out_err: - return ret; + return 0; } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c index d9b4e695975..09e10aefcd8 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c @@ -185,8 +185,9 @@ void vmw_fifo_release(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo) mutex_lock(&dev_priv->hw_mutex); + vmw_write(dev_priv, SVGA_REG_SYNC, SVGA_SYNC_GENERIC); while (vmw_read(dev_priv, SVGA_REG_BUSY) != 0) - vmw_write(dev_priv, SVGA_REG_SYNC, SVGA_SYNC_GENERIC); + ; dev_priv->last_read_seqno = ioread32(fifo_mem + SVGA_FIFO_FENCE); diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c index b7ba82960c7..9bf8637747a 100644 --- a/drivers/hid/hid-logitech-dj.c +++ b/drivers/hid/hid-logitech-dj.c @@ -656,7 +656,6 @@ static int logi_dj_raw_event(struct hid_device *hdev, struct dj_receiver_dev *djrcv_dev = hid_get_drvdata(hdev); struct dj_report *dj_report = (struct dj_report *) data; unsigned long flags; - bool report_processed = false; dbg_hid("%s, size:%d\n", __func__, size); @@ -683,34 +682,42 @@ static int logi_dj_raw_event(struct hid_device *hdev, * device (via hid_input_report() ) and return 1 so hid-core does not do * anything else with it. */ + + /* case 1) */ + if (data[0] != REPORT_ID_DJ_SHORT) + return false; + if ((dj_report->device_index < DJ_DEVICE_INDEX_MIN) || (dj_report->device_index > DJ_DEVICE_INDEX_MAX)) { - dev_err(&hdev->dev, "%s: invalid device index:%d\n", + /* + * Device index is wrong, bail out. + * This driver can ignore safely the receiver notifications, + * so ignore those reports too. + */ + if (dj_report->device_index != DJ_RECEIVER_INDEX) + dev_err(&hdev->dev, "%s: invalid device index:%d\n", __func__, dj_report->device_index); return false; } spin_lock_irqsave(&djrcv_dev->lock, flags); - if (dj_report->report_id == REPORT_ID_DJ_SHORT) { - switch (dj_report->report_type) { - case REPORT_TYPE_NOTIF_DEVICE_PAIRED: - case REPORT_TYPE_NOTIF_DEVICE_UNPAIRED: - logi_dj_recv_queue_notification(djrcv_dev, dj_report); - break; - case REPORT_TYPE_NOTIF_CONNECTION_STATUS: - if (dj_report->report_params[CONNECTION_STATUS_PARAM_STATUS] == - STATUS_LINKLOSS) { - logi_dj_recv_forward_null_report(djrcv_dev, dj_report); - } - break; - default: - logi_dj_recv_forward_report(djrcv_dev, dj_report); + switch (dj_report->report_type) { + case REPORT_TYPE_NOTIF_DEVICE_PAIRED: + case REPORT_TYPE_NOTIF_DEVICE_UNPAIRED: + logi_dj_recv_queue_notification(djrcv_dev, dj_report); + break; + case REPORT_TYPE_NOTIF_CONNECTION_STATUS: + if (dj_report->report_params[CONNECTION_STATUS_PARAM_STATUS] == + STATUS_LINKLOSS) { + logi_dj_recv_forward_null_report(djrcv_dev, dj_report); } - report_processed = true; + break; + default: + logi_dj_recv_forward_report(djrcv_dev, dj_report); } spin_unlock_irqrestore(&djrcv_dev->lock, flags); - return report_processed; + return true; } static int logi_dj_probe(struct hid_device *hdev, diff --git a/drivers/hid/hid-logitech-dj.h b/drivers/hid/hid-logitech-dj.h index 4a4000340ce..daeb0aa4bee 100644 --- a/drivers/hid/hid-logitech-dj.h +++ b/drivers/hid/hid-logitech-dj.h @@ -27,6 +27,7 @@ #define DJ_MAX_PAIRED_DEVICES 6 #define DJ_MAX_NUMBER_NOTIFICATIONS 8 +#define DJ_RECEIVER_INDEX 0 #define DJ_DEVICE_INDEX_MIN 1 #define DJ_DEVICE_INDEX_MAX 6 diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c index ecc2cbf300c..29a74c1efcb 100644 --- a/drivers/hid/hid-magicmouse.c +++ b/drivers/hid/hid-magicmouse.c @@ -290,6 +290,11 @@ static int magicmouse_raw_event(struct hid_device *hdev, if (size < 4 || ((size - 4) % 9) != 0) return 0; npoints = (size - 4) / 9; + if (npoints > 15) { + hid_warn(hdev, "invalid size value (%d) for TRACKPAD_REPORT_ID\n", + size); + return 0; + } msc->ntouches = 0; for (ii = 0; ii < npoints; ii++) magicmouse_emit_touch(msc, ii, data + ii * 9 + 4); @@ -307,6 +312,11 @@ static int magicmouse_raw_event(struct hid_device *hdev, if (size < 6 || ((size - 6) % 8) != 0) return 0; npoints = (size - 6) / 8; + if (npoints > 15) { + hid_warn(hdev, "invalid size value (%d) for MOUSE_REPORT_ID\n", + size); + return 0; + } msc->ntouches = 0; for (ii = 0; ii < npoints; ii++) magicmouse_emit_touch(msc, ii, data + ii * 8 + 6); diff --git a/drivers/hid/hid-picolcd_core.c b/drivers/hid/hid-picolcd_core.c index acbb021065e..020df3c2e8b 100644 --- a/drivers/hid/hid-picolcd_core.c +++ b/drivers/hid/hid-picolcd_core.c @@ -350,6 +350,12 @@ static int picolcd_raw_event(struct hid_device *hdev, if (!data) return 1; + if (size > 64) { + hid_warn(hdev, "invalid size value (%d) for picolcd raw event\n", + size); + return 0; + } + if (report->id == REPORT_KEY_STATE) { if (data->input_keys) ret = picolcd_raw_keypad(data, report, raw_data+1, size-1); diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c index fc6f5d54e7f..8890870309e 100644 --- a/drivers/hwmon/ds1621.c +++ b/drivers/hwmon/ds1621.c @@ -309,6 +309,7 @@ static ssize_t set_convrate(struct device *dev, struct device_attribute *da, data->conf |= (resol << DS1621_REG_CONFIG_RESOL_SHIFT); i2c_smbus_write_byte_data(client, DS1621_REG_CONF, data->conf); data->update_interval = ds1721_convrates[resol]; + data->zbits = 7 - resol; mutex_unlock(&data->update_lock); return count; diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c index 79a68999a69..917d54588d9 100644 --- a/drivers/i2c/busses/i2c-at91.c +++ b/drivers/i2c/busses/i2c-at91.c @@ -101,6 +101,7 @@ struct at91_twi_dev { unsigned twi_cwgr_reg; struct at91_twi_pdata *pdata; bool use_dma; + bool recv_len_abort; struct at91_twi_dma dma; }; @@ -267,12 +268,24 @@ static void at91_twi_read_next_byte(struct at91_twi_dev *dev) *dev->buf = at91_twi_read(dev, AT91_TWI_RHR) & 0xff; --dev->buf_len; + /* return if aborting, we only needed to read RHR to clear RXRDY*/ + if (dev->recv_len_abort) + return; + /* handle I2C_SMBUS_BLOCK_DATA */ if (unlikely(dev->msg->flags & I2C_M_RECV_LEN)) { - dev->msg->flags &= ~I2C_M_RECV_LEN; - dev->buf_len += *dev->buf; - dev->msg->len = dev->buf_len + 1; - dev_dbg(dev->dev, "received block length %d\n", dev->buf_len); + /* ensure length byte is a valid value */ + if (*dev->buf <= I2C_SMBUS_BLOCK_MAX && *dev->buf > 0) { + dev->msg->flags &= ~I2C_M_RECV_LEN; + dev->buf_len += *dev->buf; + dev->msg->len = dev->buf_len + 1; + dev_dbg(dev->dev, "received block length %d\n", + dev->buf_len); + } else { + /* abort and send the stop by reading one more byte */ + dev->recv_len_abort = true; + dev->buf_len = 1; + } } /* send stop if second but last byte has been read */ @@ -421,8 +434,8 @@ static int at91_do_twi_transfer(struct at91_twi_dev *dev) } } - ret = wait_for_completion_interruptible_timeout(&dev->cmd_complete, - dev->adapter.timeout); + ret = wait_for_completion_io_timeout(&dev->cmd_complete, + dev->adapter.timeout); if (ret == 0) { dev_err(dev->dev, "controller timed out\n"); at91_init_twi_bus(dev); @@ -444,6 +457,12 @@ static int at91_do_twi_transfer(struct at91_twi_dev *dev) ret = -EIO; goto error; } + if (dev->recv_len_abort) { + dev_err(dev->dev, "invalid smbus block length recvd\n"); + ret = -EPROTO; + goto error; + } + dev_dbg(dev->dev, "transfer complete\n"); return 0; @@ -500,6 +519,7 @@ static int at91_twi_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, int num) dev->buf_len = m_start->len; dev->buf = m_start->buf; dev->msg = m_start; + dev->recv_len_abort = false; ret = at91_do_twi_transfer(dev); diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c index 6dc5ded86f6..2f64273d3f2 100644 --- a/drivers/i2c/busses/i2c-mv64xxx.c +++ b/drivers/i2c/busses/i2c-mv64xxx.c @@ -746,8 +746,7 @@ mv64xxx_of_config(struct mv64xxx_i2c_data *drv_data, } tclk = clk_get_rate(drv_data->clk); - rc = of_property_read_u32(np, "clock-frequency", &bus_freq); - if (rc) + if (of_property_read_u32(np, "clock-frequency", &bus_freq)) bus_freq = 100000; /* 100kHz by default */ if (!mv64xxx_find_baud_factors(bus_freq, tclk, diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c index f3c7139dfa2..1cc146cfc1f 100644 --- a/drivers/i2c/busses/i2c-rcar.c +++ b/drivers/i2c/busses/i2c-rcar.c @@ -34,6 +34,7 @@ #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/slab.h> +#include <linux/spinlock.h> /* register offsets */ #define ICSCR 0x00 /* slave ctrl */ @@ -95,6 +96,7 @@ struct rcar_i2c_priv { struct i2c_msg *msg; struct clk *clk; + spinlock_t lock; wait_queue_head_t wait; int pos; @@ -365,20 +367,20 @@ static irqreturn_t rcar_i2c_irq(int irq, void *ptr) struct rcar_i2c_priv *priv = ptr; u32 msr; + /*-------------- spin lock -----------------*/ + spin_lock(&priv->lock); + msr = rcar_i2c_read(priv, ICMSR); + /* Only handle interrupts that are currently enabled */ + msr &= rcar_i2c_read(priv, ICMIER); + /* Arbitration lost */ if (msr & MAL) { rcar_i2c_flags_set(priv, (ID_DONE | ID_ARBLOST)); goto out; } - /* Stop */ - if (msr & MST) { - rcar_i2c_flags_set(priv, ID_DONE); - goto out; - } - /* Nack */ if (msr & MNR) { /* go to stop phase */ @@ -388,6 +390,12 @@ static irqreturn_t rcar_i2c_irq(int irq, void *ptr) goto out; } + /* Stop */ + if (msr & MST) { + rcar_i2c_flags_set(priv, ID_DONE); + goto out; + } + if (rcar_i2c_is_recv(priv)) rcar_i2c_flags_set(priv, rcar_i2c_irq_recv(priv, msr)); else @@ -400,6 +408,9 @@ out: wake_up(&priv->wait); } + spin_unlock(&priv->lock); + /*-------------- spin unlock -----------------*/ + return IRQ_HANDLED; } @@ -409,14 +420,21 @@ static int rcar_i2c_master_xfer(struct i2c_adapter *adap, { struct rcar_i2c_priv *priv = i2c_get_adapdata(adap); struct device *dev = rcar_i2c_priv_to_dev(priv); + unsigned long flags; int i, ret, timeout; pm_runtime_get_sync(dev); + /*-------------- spin lock -----------------*/ + spin_lock_irqsave(&priv->lock, flags); + rcar_i2c_init(priv); /* start clock */ rcar_i2c_write(priv, ICCCR, priv->icccr); + spin_unlock_irqrestore(&priv->lock, flags); + /*-------------- spin unlock -----------------*/ + ret = rcar_i2c_bus_barrier(priv); if (ret < 0) goto out; @@ -428,6 +446,9 @@ static int rcar_i2c_master_xfer(struct i2c_adapter *adap, break; } + /*-------------- spin lock -----------------*/ + spin_lock_irqsave(&priv->lock, flags); + /* init each data */ priv->msg = &msgs[i]; priv->pos = 0; @@ -437,6 +458,9 @@ static int rcar_i2c_master_xfer(struct i2c_adapter *adap, ret = rcar_i2c_prepare_msg(priv); + spin_unlock_irqrestore(&priv->lock, flags); + /*-------------- spin unlock -----------------*/ + if (ret < 0) break; @@ -540,6 +564,7 @@ static int rcar_i2c_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); init_waitqueue_head(&priv->wait); + spin_lock_init(&priv->lock); adap = &priv->adap; adap->nr = pdev->id; diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c index 69e11853e8b..e637c32ae51 100644 --- a/drivers/i2c/busses/i2c-rk3x.c +++ b/drivers/i2c/busses/i2c-rk3x.c @@ -323,6 +323,10 @@ static void rk3x_i2c_handle_read(struct rk3x_i2c *i2c, unsigned int ipd) /* ack interrupt */ i2c_writel(i2c, REG_INT_MBRF, REG_IPD); + /* Can only handle a maximum of 32 bytes at a time */ + if (len > 32) + len = 32; + /* read the data from receive buffer */ for (i = 0; i < len; ++i) { if (i % 4 == 0) diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index e1e558a3d69..af8256353c7 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -1089,6 +1089,30 @@ static int __mlx4_ib_destroy_flow(struct mlx4_dev *dev, u64 reg_id) return err; } +static int mlx4_ib_tunnel_steer_add(struct ib_qp *qp, struct ib_flow_attr *flow_attr, + u64 *reg_id) +{ + void *ib_flow; + union ib_flow_spec *ib_spec; + struct mlx4_dev *dev = to_mdev(qp->device)->dev; + int err = 0; + + if (dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) + return 0; /* do nothing */ + + ib_flow = flow_attr + 1; + ib_spec = (union ib_flow_spec *)ib_flow; + + if (ib_spec->type != IB_FLOW_SPEC_ETH || flow_attr->num_of_specs != 1) + return 0; /* do nothing */ + + err = mlx4_tunnel_steer_add(to_mdev(qp->device)->dev, ib_spec->eth.val.dst_mac, + flow_attr->port, qp->qp_num, + MLX4_DOMAIN_UVERBS | (flow_attr->priority & 0xff), + reg_id); + return err; +} + static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp, struct ib_flow_attr *flow_attr, int domain) @@ -1136,6 +1160,12 @@ static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp, i++; } + if (i < ARRAY_SIZE(type) && flow_attr->type == IB_FLOW_ATTR_NORMAL) { + err = mlx4_ib_tunnel_steer_add(qp, flow_attr, &mflow->reg_id[i]); + if (err) + goto err_free; + } + return &mflow->ibflow; err_free: diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index 67780452f0c..efb9eff8906 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -1677,9 +1677,15 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp, } } - if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) + if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) { context->pri_path.ackto = (context->pri_path.ackto & 0xf8) | MLX4_IB_LINK_TYPE_ETH; + if (dev->dev->caps.tunnel_offload_mode == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) { + /* set QP to receive both tunneled & non-tunneled packets */ + if (!(context->flags & (1 << MLX4_RSS_QPC_FLAG_OFFSET))) + context->srqn = cpu_to_be32(7 << 28); + } + } if (ibqp->qp_type == IB_QPT_UD && (new_state == IB_QPS_RTR)) { int is_eth = rdma_port_get_link_layer( diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c index c30204f2fa3..fbe29fcb15c 100644 --- a/drivers/input/input-mt.c +++ b/drivers/input/input-mt.c @@ -236,6 +236,18 @@ void input_mt_report_pointer_emulation(struct input_dev *dev, bool use_count) } EXPORT_SYMBOL(input_mt_report_pointer_emulation); +static void __input_mt_drop_unused(struct input_dev *dev, struct input_mt *mt) +{ + int i; + + for (i = 0; i < mt->num_slots; i++) { + if (!input_mt_is_used(mt, &mt->slots[i])) { + input_mt_slot(dev, i); + input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, -1); + } + } +} + /** * input_mt_drop_unused() - Inactivate slots not seen in this frame * @dev: input device with allocated MT slots @@ -245,19 +257,11 @@ EXPORT_SYMBOL(input_mt_report_pointer_emulation); void input_mt_drop_unused(struct input_dev *dev) { struct input_mt *mt = dev->mt; - int i; - if (!mt) - return; - - for (i = 0; i < mt->num_slots; i++) { - if (!input_mt_is_used(mt, &mt->slots[i])) { - input_mt_slot(dev, i); - input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, -1); - } + if (mt) { + __input_mt_drop_unused(dev, mt); + mt->frame++; } - - mt->frame++; } EXPORT_SYMBOL(input_mt_drop_unused); @@ -278,12 +282,14 @@ void input_mt_sync_frame(struct input_dev *dev) return; if (mt->flags & INPUT_MT_DROP_UNUSED) - input_mt_drop_unused(dev); + __input_mt_drop_unused(dev, mt); if ((mt->flags & INPUT_MT_POINTER) && !(mt->flags & INPUT_MT_SEMI_MT)) use_count = true; input_mt_report_pointer_emulation(dev, use_count); + + mt->frame++; } EXPORT_SYMBOL(input_mt_sync_frame); diff --git a/drivers/input/keyboard/cap1106.c b/drivers/input/keyboard/cap1106.c index 180b184ab90..d70b65a14ce 100644 --- a/drivers/input/keyboard/cap1106.c +++ b/drivers/input/keyboard/cap1106.c @@ -33,8 +33,8 @@ #define CAP1106_REG_SENSOR_CONFIG 0x22 #define CAP1106_REG_SENSOR_CONFIG2 0x23 #define CAP1106_REG_SAMPLING_CONFIG 0x24 -#define CAP1106_REG_CALIBRATION 0x25 -#define CAP1106_REG_INT_ENABLE 0x26 +#define CAP1106_REG_CALIBRATION 0x26 +#define CAP1106_REG_INT_ENABLE 0x27 #define CAP1106_REG_REPEAT_RATE 0x28 #define CAP1106_REG_MT_CONFIG 0x2a #define CAP1106_REG_MT_PATTERN_CONFIG 0x2b diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c index 8d2e19e81e1..e651fa692af 100644 --- a/drivers/input/keyboard/matrix_keypad.c +++ b/drivers/input/keyboard/matrix_keypad.c @@ -332,23 +332,24 @@ static int matrix_keypad_init_gpio(struct platform_device *pdev, } if (pdata->clustered_irq > 0) { - err = request_irq(pdata->clustered_irq, + err = request_any_context_irq(pdata->clustered_irq, matrix_keypad_interrupt, pdata->clustered_irq_flags, "matrix-keypad", keypad); - if (err) { + if (err < 0) { dev_err(&pdev->dev, "Unable to acquire clustered interrupt\n"); goto err_free_rows; } } else { for (i = 0; i < pdata->num_row_gpios; i++) { - err = request_irq(gpio_to_irq(pdata->row_gpios[i]), + err = request_any_context_irq( + gpio_to_irq(pdata->row_gpios[i]), matrix_keypad_interrupt, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "matrix-keypad", keypad); - if (err) { + if (err < 0) { dev_err(&pdev->dev, "Unable to acquire interrupt for GPIO line %i\n", pdata->row_gpios[i]); diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index a59a1a64b67..35a49bf5722 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -2234,8 +2234,8 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv) return 0; } - psmouse_info(psmouse, - "Unknown ALPS touchpad: E7=%3ph, EC=%3ph\n", e7, ec); + psmouse_dbg(psmouse, + "Likely not an ALPS touchpad: E7=%3ph, EC=%3ph\n", e7, ec); return -EINVAL; } @@ -2373,6 +2373,10 @@ int alps_init(struct psmouse *psmouse) dev2->keybit[BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); + __set_bit(INPUT_PROP_POINTER, dev2->propbit); + if (priv->flags & ALPS_DUALPOINT) + __set_bit(INPUT_PROP_POINTING_STICK, dev2->propbit); + if (input_register_device(priv->dev2)) goto init_fail; diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index ee2a04d90d2..06fc6e76ffb 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -18,6 +18,7 @@ #include <linux/input/mt.h> #include <linux/serio.h> #include <linux/libps2.h> +#include <asm/unaligned.h> #include "psmouse.h" #include "elantech.h" @@ -403,6 +404,68 @@ static void elantech_report_absolute_v2(struct psmouse *psmouse) input_sync(dev); } +static void elantech_report_trackpoint(struct psmouse *psmouse, + int packet_type) +{ + /* + * byte 0: 0 0 sx sy 0 M R L + * byte 1:~sx 0 0 0 0 0 0 0 + * byte 2:~sy 0 0 0 0 0 0 0 + * byte 3: 0 0 ~sy ~sx 0 1 1 0 + * byte 4: x7 x6 x5 x4 x3 x2 x1 x0 + * byte 5: y7 y6 y5 y4 y3 y2 y1 y0 + * + * x and y are written in two's complement spread + * over 9 bits with sx/sy the relative top bit and + * x7..x0 and y7..y0 the lower bits. + * The sign of y is opposite to what the input driver + * expects for a relative movement + */ + + struct elantech_data *etd = psmouse->private; + struct input_dev *tp_dev = etd->tp_dev; + unsigned char *packet = psmouse->packet; + int x, y; + u32 t; + + if (dev_WARN_ONCE(&psmouse->ps2dev.serio->dev, + !tp_dev, + psmouse_fmt("Unexpected trackpoint message\n"))) { + if (etd->debug == 1) + elantech_packet_dump(psmouse); + return; + } + + t = get_unaligned_le32(&packet[0]); + + switch (t & ~7U) { + case 0x06000030U: + case 0x16008020U: + case 0x26800010U: + case 0x36808000U: + x = packet[4] - (int)((packet[1]^0x80) << 1); + y = (int)((packet[2]^0x80) << 1) - packet[5]; + + input_report_key(tp_dev, BTN_LEFT, packet[0] & 0x01); + input_report_key(tp_dev, BTN_RIGHT, packet[0] & 0x02); + input_report_key(tp_dev, BTN_MIDDLE, packet[0] & 0x04); + + input_report_rel(tp_dev, REL_X, x); + input_report_rel(tp_dev, REL_Y, y); + + input_sync(tp_dev); + + break; + + default: + /* Dump unexpected packet sequences if debug=1 (default) */ + if (etd->debug == 1) + elantech_packet_dump(psmouse); + + break; + } +} + /* * Interpret complete data packets and report absolute mode input events for * hardware version 3. (12 byte packets for two fingers) @@ -715,6 +778,8 @@ static int elantech_packet_check_v3(struct psmouse *psmouse) if ((packet[0] & 0x0c) == 0x0c && (packet[3] & 0xce) == 0x0c) return PACKET_V3_TAIL; + if ((packet[3] & 0x0f) == 0x06) + return PACKET_TRACKPOINT; } return PACKET_UNKNOWN; @@ -791,14 +856,23 @@ static psmouse_ret_t elantech_process_byte(struct psmouse *psmouse) case 3: packet_type = elantech_packet_check_v3(psmouse); - /* ignore debounce */ - if (packet_type == PACKET_DEBOUNCE) - return PSMOUSE_FULL_PACKET; - - if (packet_type == PACKET_UNKNOWN) + switch (packet_type) { + case PACKET_UNKNOWN: return PSMOUSE_BAD_DATA; - elantech_report_absolute_v3(psmouse, packet_type); + case PACKET_DEBOUNCE: + /* ignore debounce */ + break; + + case PACKET_TRACKPOINT: + elantech_report_trackpoint(psmouse, packet_type); + break; + + default: + elantech_report_absolute_v3(psmouse, packet_type); + break; + } + break; case 4: @@ -1018,8 +1092,10 @@ static int elantech_get_resolution_v4(struct psmouse *psmouse, * Asus UX31 0x361f00 20, 15, 0e clickpad * Asus UX32VD 0x361f02 00, 15, 0e clickpad * Avatar AVIU-145A2 0x361f00 ? clickpad + * Fujitsu H730 0x570f00 c0, 14, 0c 3 hw buttons (**) * Gigabyte U2442 0x450f01 58, 17, 0c 2 hw buttons * Lenovo L430 0x350f02 b9, 15, 0c 2 hw buttons (*) + * Lenovo L530 0x350f02 b9, 15, 0c 2 hw buttons (*) * Samsung NF210 0x150b00 78, 14, 0a 2 hw buttons * Samsung NP770Z5E 0x575f01 10, 15, 0f clickpad * Samsung NP700Z5B 0x361f06 21, 15, 0f clickpad @@ -1029,6 +1105,8 @@ static int elantech_get_resolution_v4(struct psmouse *psmouse, * Samsung RF710 0x450f00 ? 2 hw buttons * System76 Pangolin 0x250f01 ? 2 hw buttons * (*) + 3 trackpoint buttons + * (**) + 0 trackpoint buttons + * Note: Lenovo L430 and Lenovo L430 have the same fw_version/caps */ static void elantech_set_buttonpad_prop(struct psmouse *psmouse) { @@ -1253,6 +1331,13 @@ static bool elantech_is_signature_valid(const unsigned char *param) if (param[1] == 0) return true; + /* + * Some models have a revision higher then 20. Meaning param[2] may + * be 10 or 20, skip the rates check for these. + */ + if (param[0] == 0x46 && (param[1] & 0xef) == 0x0f && param[2] < 40) + return true; + for (i = 0; i < ARRAY_SIZE(rates); i++) if (param[2] == rates[i]) return false; @@ -1324,6 +1409,10 @@ int elantech_detect(struct psmouse *psmouse, bool set_properties) */ static void elantech_disconnect(struct psmouse *psmouse) { + struct elantech_data *etd = psmouse->private; + + if (etd->tp_dev) + input_unregister_device(etd->tp_dev); sysfs_remove_group(&psmouse->ps2dev.serio->dev.kobj, &elantech_attr_group); kfree(psmouse->private); @@ -1438,8 +1527,10 @@ static int elantech_set_properties(struct elantech_data *etd) int elantech_init(struct psmouse *psmouse) { struct elantech_data *etd; - int i, error; + int i; + int error = -EINVAL; unsigned char param[3]; + struct input_dev *tp_dev; psmouse->private = etd = kzalloc(sizeof(struct elantech_data), GFP_KERNEL); if (!etd) @@ -1498,14 +1589,53 @@ int elantech_init(struct psmouse *psmouse) goto init_fail; } + /* The MSB indicates the presence of the trackpoint */ + if ((etd->capabilities[0] & 0x80) == 0x80) { + tp_dev = input_allocate_device(); + + if (!tp_dev) { + error = -ENOMEM; + goto init_fail_tp_alloc; + } + + etd->tp_dev = tp_dev; + snprintf(etd->tp_phys, sizeof(etd->tp_phys), "%s/input1", + psmouse->ps2dev.serio->phys); + tp_dev->phys = etd->tp_phys; + tp_dev->name = "Elantech PS/2 TrackPoint"; + tp_dev->id.bustype = BUS_I8042; + tp_dev->id.vendor = 0x0002; + tp_dev->id.product = PSMOUSE_ELANTECH; + tp_dev->id.version = 0x0000; + tp_dev->dev.parent = &psmouse->ps2dev.serio->dev; + tp_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); + tp_dev->relbit[BIT_WORD(REL_X)] = + BIT_MASK(REL_X) | BIT_MASK(REL_Y); + tp_dev->keybit[BIT_WORD(BTN_LEFT)] = + BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_MIDDLE) | + BIT_MASK(BTN_RIGHT); + + __set_bit(INPUT_PROP_POINTER, tp_dev->propbit); + __set_bit(INPUT_PROP_POINTING_STICK, tp_dev->propbit); + + error = input_register_device(etd->tp_dev); + if (error < 0) + goto init_fail_tp_reg; + } + psmouse->protocol_handler = elantech_process_byte; psmouse->disconnect = elantech_disconnect; psmouse->reconnect = elantech_reconnect; psmouse->pktsize = etd->hw_version > 1 ? 6 : 4; return 0; - + init_fail_tp_reg: + input_free_device(tp_dev); + init_fail_tp_alloc: + sysfs_remove_group(&psmouse->ps2dev.serio->dev.kobj, + &elantech_attr_group); init_fail: + psmouse_reset(psmouse); kfree(etd); - return -1; + return error; } diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h index 9e0e2a1f340..6f3afec02f0 100644 --- a/drivers/input/mouse/elantech.h +++ b/drivers/input/mouse/elantech.h @@ -94,6 +94,7 @@ #define PACKET_V4_HEAD 0x05 #define PACKET_V4_MOTION 0x06 #define PACKET_V4_STATUS 0x07 +#define PACKET_TRACKPOINT 0x08 /* * track up to 5 fingers for v4 hardware @@ -114,6 +115,8 @@ struct finger_pos { }; struct elantech_data { + struct input_dev *tp_dev; /* Relative device for trackpoint */ + char tp_phys[32]; unsigned char reg_07; unsigned char reg_10; unsigned char reg_11; diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c index cff065f6261..b4e1f014ddc 100644 --- a/drivers/input/mouse/psmouse-base.c +++ b/drivers/input/mouse/psmouse-base.c @@ -670,6 +670,8 @@ static void psmouse_apply_defaults(struct psmouse *psmouse) __set_bit(REL_X, input_dev->relbit); __set_bit(REL_Y, input_dev->relbit); + __set_bit(INPUT_PROP_POINTER, input_dev->propbit); + psmouse->set_rate = psmouse_set_rate; psmouse->set_resolution = psmouse_set_resolution; psmouse->poll = psmouse_poll; diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index e8573c68f77..fd23181c1fb 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -629,10 +629,61 @@ static int synaptics_parse_hw_state(const unsigned char buf[], ((buf[0] & 0x04) >> 1) | ((buf[3] & 0x04) >> 2)); + if ((SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) || + SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) && + hw->w == 2) { + synaptics_parse_agm(buf, priv, hw); + return 1; + } + + hw->x = (((buf[3] & 0x10) << 8) | + ((buf[1] & 0x0f) << 8) | + buf[4]); + hw->y = (((buf[3] & 0x20) << 7) | + ((buf[1] & 0xf0) << 4) | + buf[5]); + hw->z = buf[2]; + hw->left = (buf[0] & 0x01) ? 1 : 0; hw->right = (buf[0] & 0x02) ? 1 : 0; - if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) { + if (SYN_CAP_FORCEPAD(priv->ext_cap_0c)) { + /* + * ForcePads, like Clickpads, use middle button + * bits to report primary button clicks. + * Unfortunately they report primary button not + * only when user presses on the pad above certain + * threshold, but also when there are more than one + * finger on the touchpad, which interferes with + * out multi-finger gestures. + */ + if (hw->z == 0) { + /* No contacts */ + priv->press = priv->report_press = false; + } else if (hw->w >= 4 && ((buf[0] ^ buf[3]) & 0x01)) { + /* + * Single-finger touch with pressure above + * the threshold. If pressure stays long + * enough, we'll start reporting primary + * button. We rely on the device continuing + * sending data even if finger does not + * move. + */ + if (!priv->press) { + priv->press_start = jiffies; + priv->press = true; + } else if (time_after(jiffies, + priv->press_start + + msecs_to_jiffies(50))) { + priv->report_press = true; + } + } else { + priv->press = false; + } + + hw->left = priv->report_press; + + } else if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) { /* * Clickpad's button is transmitted as middle button, * however, since it is primary button, we will report @@ -651,21 +702,6 @@ static int synaptics_parse_hw_state(const unsigned char buf[], hw->down = ((buf[0] ^ buf[3]) & 0x02) ? 1 : 0; } - if ((SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) || - SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) && - hw->w == 2) { - synaptics_parse_agm(buf, priv, hw); - return 1; - } - - hw->x = (((buf[3] & 0x10) << 8) | - ((buf[1] & 0x0f) << 8) | - buf[4]); - hw->y = (((buf[3] & 0x20) << 7) | - ((buf[1] & 0xf0) << 4) | - buf[5]); - hw->z = buf[2]; - if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) && ((buf[0] ^ buf[3]) & 0x02)) { switch (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) & ~0x01) { diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h index e594af0b264..fb2e076738a 100644 --- a/drivers/input/mouse/synaptics.h +++ b/drivers/input/mouse/synaptics.h @@ -78,6 +78,11 @@ * 2 0x08 image sensor image sensor tracks 5 fingers, but only * reports 2. * 2 0x20 report min query 0x0f gives min coord reported + * 2 0x80 forcepad forcepad is a variant of clickpad that + * does not have physical buttons but rather + * uses pressure above certain threshold to + * report primary clicks. Forcepads also have + * clickpad bit set. */ #define SYN_CAP_CLICKPAD(ex0c) ((ex0c) & 0x100000) /* 1-button ClickPad */ #define SYN_CAP_CLICKPAD2BTN(ex0c) ((ex0c) & 0x000100) /* 2-button ClickPad */ @@ -86,6 +91,7 @@ #define SYN_CAP_ADV_GESTURE(ex0c) ((ex0c) & 0x080000) #define SYN_CAP_REDUCED_FILTERING(ex0c) ((ex0c) & 0x000400) #define SYN_CAP_IMAGE_SENSOR(ex0c) ((ex0c) & 0x000800) +#define SYN_CAP_FORCEPAD(ex0c) ((ex0c) & 0x008000) /* synaptics modes query bits */ #define SYN_MODE_ABSOLUTE(m) ((m) & (1 << 7)) @@ -177,6 +183,11 @@ struct synaptics_data { */ struct synaptics_hw_state agm; bool agm_pending; /* new AGM packet received */ + + /* ForcePad handling */ + unsigned long press_start; + bool press; + bool report_press; }; void synaptics_module_init(void); diff --git a/drivers/input/mouse/synaptics_usb.c b/drivers/input/mouse/synaptics_usb.c index e122bda16aa..6bcc0189c1c 100644 --- a/drivers/input/mouse/synaptics_usb.c +++ b/drivers/input/mouse/synaptics_usb.c @@ -387,6 +387,7 @@ static int synusb_probe(struct usb_interface *intf, __set_bit(EV_REL, input_dev->evbit); __set_bit(REL_X, input_dev->relbit); __set_bit(REL_Y, input_dev->relbit); + __set_bit(INPUT_PROP_POINTING_STICK, input_dev->propbit); input_set_abs_params(input_dev, ABS_PRESSURE, 0, 127, 0, 0); } else { input_set_abs_params(input_dev, ABS_X, @@ -401,6 +402,11 @@ static int synusb_probe(struct usb_interface *intf, __set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit); } + if (synusb->flags & SYNUSB_TOUCHSCREEN) + __set_bit(INPUT_PROP_DIRECT, input_dev->propbit); + else + __set_bit(INPUT_PROP_POINTER, input_dev->propbit); + __set_bit(BTN_LEFT, input_dev->keybit); __set_bit(BTN_RIGHT, input_dev->keybit); __set_bit(BTN_MIDDLE, input_dev->keybit); diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c index ca843b6cf6b..30c8b699880 100644 --- a/drivers/input/mouse/trackpoint.c +++ b/drivers/input/mouse/trackpoint.c @@ -393,6 +393,9 @@ int trackpoint_detect(struct psmouse *psmouse, bool set_properties) if ((button_info & 0x0f) >= 3) __set_bit(BTN_MIDDLE, psmouse->dev->keybit); + __set_bit(INPUT_PROP_POINTER, psmouse->dev->propbit); + __set_bit(INPUT_PROP_POINTING_STICK, psmouse->dev->propbit); + trackpoint_defaults(psmouse->private); error = trackpoint_power_on_reset(&psmouse->ps2dev); diff --git a/drivers/input/serio/i8042-sparcio.h b/drivers/input/serio/i8042-sparcio.h index d6aa4c67dbb..93cb7912703 100644 --- a/drivers/input/serio/i8042-sparcio.h +++ b/drivers/input/serio/i8042-sparcio.h @@ -17,7 +17,6 @@ static int i8042_aux_irq = -1; #define I8042_MUX_PHYS_DESC "sparcps2/serio%d" static void __iomem *kbd_iobase; -static struct resource *kbd_res; #define I8042_COMMAND_REG (kbd_iobase + 0x64UL) #define I8042_DATA_REG (kbd_iobase + 0x60UL) @@ -44,6 +43,8 @@ static inline void i8042_write_command(int val) #ifdef CONFIG_PCI +static struct resource *kbd_res; + #define OBP_PS2KBD_NAME1 "kb_ps2" #define OBP_PS2KBD_NAME2 "keyboard" #define OBP_PS2MS_NAME1 "kdmouse" diff --git a/drivers/input/serio/serport.c b/drivers/input/serio/serport.c index 0cb7ef59071..69175b82534 100644 --- a/drivers/input/serio/serport.c +++ b/drivers/input/serio/serport.c @@ -21,6 +21,7 @@ #include <linux/init.h> #include <linux/serio.h> #include <linux/tty.h> +#include <linux/compat.h> MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); MODULE_DESCRIPTION("Input device TTY line discipline"); @@ -198,28 +199,55 @@ static ssize_t serport_ldisc_read(struct tty_struct * tty, struct file * file, u return 0; } +static void serport_set_type(struct tty_struct *tty, unsigned long type) +{ + struct serport *serport = tty->disc_data; + + serport->id.proto = type & 0x000000ff; + serport->id.id = (type & 0x0000ff00) >> 8; + serport->id.extra = (type & 0x00ff0000) >> 16; +} + /* * serport_ldisc_ioctl() allows to set the port protocol, and device ID */ -static int serport_ldisc_ioctl(struct tty_struct * tty, struct file * file, unsigned int cmd, unsigned long arg) +static int serport_ldisc_ioctl(struct tty_struct *tty, struct file *file, + unsigned int cmd, unsigned long arg) { - struct serport *serport = (struct serport*) tty->disc_data; - unsigned long type; - if (cmd == SPIOCSTYPE) { + unsigned long type; + if (get_user(type, (unsigned long __user *) arg)) return -EFAULT; - serport->id.proto = type & 0x000000ff; - serport->id.id = (type & 0x0000ff00) >> 8; - serport->id.extra = (type & 0x00ff0000) >> 16; + serport_set_type(tty, type); + return 0; + } + + return -EINVAL; +} + +#ifdef CONFIG_COMPAT +#define COMPAT_SPIOCSTYPE _IOW('q', 0x01, compat_ulong_t) +static long serport_ldisc_compat_ioctl(struct tty_struct *tty, + struct file *file, + unsigned int cmd, unsigned long arg) +{ + if (cmd == COMPAT_SPIOCSTYPE) { + void __user *uarg = compat_ptr(arg); + compat_ulong_t compat_type; + + if (get_user(compat_type, (compat_ulong_t __user *)uarg)) + return -EFAULT; + serport_set_type(tty, compat_type); return 0; } return -EINVAL; } +#endif static void serport_ldisc_write_wakeup(struct tty_struct * tty) { @@ -243,6 +271,9 @@ static struct tty_ldisc_ops serport_ldisc = { .close = serport_ldisc_close, .read = serport_ldisc_read, .ioctl = serport_ldisc_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = serport_ldisc_compat_ioctl, +#endif .receive_buf = serport_ldisc_receive, .write_wakeup = serport_ldisc_write_wakeup }; diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index db178ed2b47..aaacf8bfa61 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -837,7 +837,12 @@ static irqreturn_t mxt_process_messages_t44(struct mxt_data *data) count = data->msg_buf[0]; if (count == 0) { - dev_warn(dev, "Interrupt triggered but zero messages\n"); + /* + * This condition is caused by the CHG line being configured + * in Mode 0. It results in unnecessary I2C operations but it + * is benign. + */ + dev_dbg(dev, "Interrupt triggered but zero messages\n"); return IRQ_NONE; } else if (count > data->max_reportid) { dev_err(dev, "T44 count %d exceeded max report id\n", count); @@ -1374,11 +1379,16 @@ static int mxt_get_info(struct mxt_data *data) return 0; } -static void mxt_free_object_table(struct mxt_data *data) +static void mxt_free_input_device(struct mxt_data *data) { - input_unregister_device(data->input_dev); - data->input_dev = NULL; + if (data->input_dev) { + input_unregister_device(data->input_dev); + data->input_dev = NULL; + } +} +static void mxt_free_object_table(struct mxt_data *data) +{ kfree(data->object_table); data->object_table = NULL; kfree(data->msg_buf); @@ -1957,11 +1967,13 @@ static int mxt_load_fw(struct device *dev, const char *fn) ret = mxt_lookup_bootloader_address(data, 0); if (ret) goto release_firmware; + + mxt_free_input_device(data); + mxt_free_object_table(data); } else { enable_irq(data->irq); } - mxt_free_object_table(data); reinit_completion(&data->bl_completion); ret = mxt_check_bootloader(data, MXT_WAITING_BOOTLOAD_CMD, false); @@ -2210,6 +2222,7 @@ static int mxt_probe(struct i2c_client *client, const struct i2c_device_id *id) return 0; err_free_object: + mxt_free_input_device(data); mxt_free_object_table(data); err_free_irq: free_irq(client->irq, data); @@ -2224,7 +2237,7 @@ static int mxt_remove(struct i2c_client *client) sysfs_remove_group(&client->dev.kobj, &mxt_attr_group); free_irq(data->irq, data); - input_unregister_device(data->input_dev); + mxt_free_input_device(data); mxt_free_object_table(data); kfree(data); diff --git a/drivers/input/touchscreen/wm9712.c b/drivers/input/touchscreen/wm9712.c index 16b52115c27..705ffa1e064 100644 --- a/drivers/input/touchscreen/wm9712.c +++ b/drivers/input/touchscreen/wm9712.c @@ -41,7 +41,7 @@ */ static int rpu = 8; module_param(rpu, int, 0); -MODULE_PARM_DESC(rpu, "Set internal pull up resitor for pen detect."); +MODULE_PARM_DESC(rpu, "Set internal pull up resistor for pen detect."); /* * Set current used for pressure measurement. diff --git a/drivers/input/touchscreen/wm9713.c b/drivers/input/touchscreen/wm9713.c index 7405353199d..572a5a64fac 100644 --- a/drivers/input/touchscreen/wm9713.c +++ b/drivers/input/touchscreen/wm9713.c @@ -41,7 +41,7 @@ */ static int rpu = 8; module_param(rpu, int, 0); -MODULE_PARM_DESC(rpu, "Set internal pull up resitor for pen detect."); +MODULE_PARM_DESC(rpu, "Set internal pull up resistor for pen detect."); /* * Set current used for pressure measurement. diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index ca18d6d42a9..a83cc2a2a2c 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -146,6 +146,8 @@ #define ID0_CTTW (1 << 14) #define ID0_NUMIRPT_SHIFT 16 #define ID0_NUMIRPT_MASK 0xff +#define ID0_NUMSIDB_SHIFT 9 +#define ID0_NUMSIDB_MASK 0xf #define ID0_NUMSMRG_SHIFT 0 #define ID0_NUMSMRG_MASK 0xff @@ -524,9 +526,18 @@ static int register_smmu_master(struct arm_smmu_device *smmu, master->of_node = masterspec->np; master->cfg.num_streamids = masterspec->args_count; - for (i = 0; i < master->cfg.num_streamids; ++i) - master->cfg.streamids[i] = masterspec->args[i]; + for (i = 0; i < master->cfg.num_streamids; ++i) { + u16 streamid = masterspec->args[i]; + if (!(smmu->features & ARM_SMMU_FEAT_STREAM_MATCH) && + (streamid >= smmu->num_mapping_groups)) { + dev_err(dev, + "stream ID for master device %s greater than maximum allowed (%d)\n", + masterspec->np->name, smmu->num_mapping_groups); + return -ERANGE; + } + master->cfg.streamids[i] = streamid; + } return insert_smmu_master(smmu, master); } @@ -623,7 +634,7 @@ static irqreturn_t arm_smmu_context_fault(int irq, void *dev) if (fsr & FSR_IGN) dev_err_ratelimited(smmu->dev, - "Unexpected context fault (fsr 0x%u)\n", + "Unexpected context fault (fsr 0x%x)\n", fsr); fsynr = readl_relaxed(cb_base + ARM_SMMU_CB_FSYNR0); @@ -752,6 +763,7 @@ static void arm_smmu_init_context_bank(struct arm_smmu_domain *smmu_domain) reg = (TTBCR2_ADDR_36 << TTBCR2_SEP_SHIFT); break; case 39: + case 40: reg = (TTBCR2_ADDR_40 << TTBCR2_SEP_SHIFT); break; case 42: @@ -773,6 +785,7 @@ static void arm_smmu_init_context_bank(struct arm_smmu_domain *smmu_domain) reg |= (TTBCR2_ADDR_36 << TTBCR2_PASIZE_SHIFT); break; case 39: + case 40: reg |= (TTBCR2_ADDR_40 << TTBCR2_PASIZE_SHIFT); break; case 42: @@ -843,8 +856,11 @@ static void arm_smmu_init_context_bank(struct arm_smmu_domain *smmu_domain) reg |= TTBCR_EAE | (TTBCR_SH_IS << TTBCR_SH0_SHIFT) | (TTBCR_RGN_WBWA << TTBCR_ORGN0_SHIFT) | - (TTBCR_RGN_WBWA << TTBCR_IRGN0_SHIFT) | - (TTBCR_SL0_LVL_1 << TTBCR_SL0_SHIFT); + (TTBCR_RGN_WBWA << TTBCR_IRGN0_SHIFT); + + if (!stage1) + reg |= (TTBCR_SL0_LVL_1 << TTBCR_SL0_SHIFT); + writel_relaxed(reg, cb_base + ARM_SMMU_CB_TTBCR); /* MAIR0 (stage-1 only) */ @@ -868,10 +884,15 @@ static void arm_smmu_init_context_bank(struct arm_smmu_domain *smmu_domain) static int arm_smmu_init_domain_context(struct iommu_domain *domain, struct arm_smmu_device *smmu) { - int irq, ret, start; + int irq, start, ret = 0; + unsigned long flags; struct arm_smmu_domain *smmu_domain = domain->priv; struct arm_smmu_cfg *cfg = &smmu_domain->cfg; + spin_lock_irqsave(&smmu_domain->lock, flags); + if (smmu_domain->smmu) + goto out_unlock; + if (smmu->features & ARM_SMMU_FEAT_TRANS_NESTED) { /* * We will likely want to change this if/when KVM gets @@ -890,7 +911,7 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, ret = __arm_smmu_alloc_bitmap(smmu->context_map, start, smmu->num_context_banks); if (IS_ERR_VALUE(ret)) - return ret; + goto out_unlock; cfg->cbndx = ret; if (smmu->version == 1) { @@ -900,6 +921,10 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, cfg->irptndx = cfg->cbndx; } + ACCESS_ONCE(smmu_domain->smmu) = smmu; + arm_smmu_init_context_bank(smmu_domain); + spin_unlock_irqrestore(&smmu_domain->lock, flags); + irq = smmu->irqs[smmu->num_global_irqs + cfg->irptndx]; ret = request_irq(irq, arm_smmu_context_fault, IRQF_SHARED, "arm-smmu-context-fault", domain); @@ -907,15 +932,12 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, dev_err(smmu->dev, "failed to request context IRQ %d (%u)\n", cfg->irptndx, irq); cfg->irptndx = INVALID_IRPTNDX; - goto out_free_context; } - smmu_domain->smmu = smmu; - arm_smmu_init_context_bank(smmu_domain); return 0; -out_free_context: - __arm_smmu_free_bitmap(smmu->context_map, cfg->cbndx); +out_unlock: + spin_unlock_irqrestore(&smmu_domain->lock, flags); return ret; } @@ -975,7 +997,6 @@ static void arm_smmu_free_ptes(pmd_t *pmd) { pgtable_t table = pmd_pgtable(*pmd); - pgtable_page_dtor(table); __free_page(table); } @@ -1108,6 +1129,9 @@ static void arm_smmu_master_free_smrs(struct arm_smmu_device *smmu, void __iomem *gr0_base = ARM_SMMU_GR0(smmu); struct arm_smmu_smr *smrs = cfg->smrs; + if (!smrs) + return; + /* Invalidate the SMRs before freeing back to the allocator */ for (i = 0; i < cfg->num_streamids; ++i) { u8 idx = smrs[i].idx; @@ -1120,20 +1144,6 @@ static void arm_smmu_master_free_smrs(struct arm_smmu_device *smmu, kfree(smrs); } -static void arm_smmu_bypass_stream_mapping(struct arm_smmu_device *smmu, - struct arm_smmu_master_cfg *cfg) -{ - int i; - void __iomem *gr0_base = ARM_SMMU_GR0(smmu); - - for (i = 0; i < cfg->num_streamids; ++i) { - u16 sid = cfg->streamids[i]; - - writel_relaxed(S2CR_TYPE_BYPASS, - gr0_base + ARM_SMMU_GR0_S2CR(sid)); - } -} - static int arm_smmu_domain_add_master(struct arm_smmu_domain *smmu_domain, struct arm_smmu_master_cfg *cfg) { @@ -1160,23 +1170,30 @@ static int arm_smmu_domain_add_master(struct arm_smmu_domain *smmu_domain, static void arm_smmu_domain_remove_master(struct arm_smmu_domain *smmu_domain, struct arm_smmu_master_cfg *cfg) { + int i; struct arm_smmu_device *smmu = smmu_domain->smmu; + void __iomem *gr0_base = ARM_SMMU_GR0(smmu); /* * We *must* clear the S2CR first, because freeing the SMR means * that it can be re-allocated immediately. */ - arm_smmu_bypass_stream_mapping(smmu, cfg); + for (i = 0; i < cfg->num_streamids; ++i) { + u32 idx = cfg->smrs ? cfg->smrs[i].idx : cfg->streamids[i]; + + writel_relaxed(S2CR_TYPE_BYPASS, + gr0_base + ARM_SMMU_GR0_S2CR(idx)); + } + arm_smmu_master_free_smrs(smmu, cfg); } static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev) { - int ret = -EINVAL; + int ret; struct arm_smmu_domain *smmu_domain = domain->priv; - struct arm_smmu_device *smmu; + struct arm_smmu_device *smmu, *dom_smmu; struct arm_smmu_master_cfg *cfg; - unsigned long flags; smmu = dev_get_master_dev(dev)->archdata.iommu; if (!smmu) { @@ -1188,20 +1205,22 @@ static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev) * Sanity check the domain. We don't support domains across * different SMMUs. */ - spin_lock_irqsave(&smmu_domain->lock, flags); - if (!smmu_domain->smmu) { + dom_smmu = ACCESS_ONCE(smmu_domain->smmu); + if (!dom_smmu) { /* Now that we have a master, we can finalise the domain */ ret = arm_smmu_init_domain_context(domain, smmu); if (IS_ERR_VALUE(ret)) - goto err_unlock; - } else if (smmu_domain->smmu != smmu) { + return ret; + + dom_smmu = smmu_domain->smmu; + } + + if (dom_smmu != smmu) { dev_err(dev, "cannot attach to SMMU %s whilst already attached to domain on SMMU %s\n", - dev_name(smmu_domain->smmu->dev), - dev_name(smmu->dev)); - goto err_unlock; + dev_name(smmu_domain->smmu->dev), dev_name(smmu->dev)); + return -EINVAL; } - spin_unlock_irqrestore(&smmu_domain->lock, flags); /* Looks ok, so add the device to the domain */ cfg = find_smmu_master_cfg(smmu_domain->smmu, dev); @@ -1209,10 +1228,6 @@ static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev) return -ENODEV; return arm_smmu_domain_add_master(smmu_domain, cfg); - -err_unlock: - spin_unlock_irqrestore(&smmu_domain->lock, flags); - return ret; } static void arm_smmu_detach_dev(struct iommu_domain *domain, struct device *dev) @@ -1247,10 +1262,6 @@ static int arm_smmu_alloc_init_pte(struct arm_smmu_device *smmu, pmd_t *pmd, return -ENOMEM; arm_smmu_flush_pgtable(smmu, page_address(table), PAGE_SIZE); - if (!pgtable_page_ctor(table)) { - __free_page(table); - return -ENOMEM; - } pmd_populate(NULL, pmd, table); arm_smmu_flush_pgtable(smmu, pmd, sizeof(*pmd)); } @@ -1626,7 +1637,7 @@ static void arm_smmu_device_reset(struct arm_smmu_device *smmu) /* Mark all SMRn as invalid and all S2CRn as bypass */ for (i = 0; i < smmu->num_mapping_groups; ++i) { - writel_relaxed(~SMR_VALID, gr0_base + ARM_SMMU_GR0_SMR(i)); + writel_relaxed(0, gr0_base + ARM_SMMU_GR0_SMR(i)); writel_relaxed(S2CR_TYPE_BYPASS, gr0_base + ARM_SMMU_GR0_S2CR(i)); } @@ -1761,6 +1772,9 @@ static int arm_smmu_device_cfg_probe(struct arm_smmu_device *smmu) dev_notice(smmu->dev, "\tstream matching with %u register groups, mask 0x%x", smmu->num_mapping_groups, mask); + } else { + smmu->num_mapping_groups = (id >> ID0_NUMSIDB_SHIFT) & + ID0_NUMSIDB_MASK; } /* ID1 */ @@ -1794,11 +1808,16 @@ static int arm_smmu_device_cfg_probe(struct arm_smmu_device *smmu) * Stage-1 output limited by stage-2 input size due to pgd * allocation (PTRS_PER_PGD). */ + if (smmu->features & ARM_SMMU_FEAT_TRANS_NESTED) { #ifdef CONFIG_64BIT - smmu->s1_output_size = min_t(unsigned long, VA_BITS, size); + smmu->s1_output_size = min_t(unsigned long, VA_BITS, size); #else - smmu->s1_output_size = min(32UL, size); + smmu->s1_output_size = min(32UL, size); #endif + } else { + smmu->s1_output_size = min_t(unsigned long, PHYS_MASK_SHIFT, + size); + } /* The stage-2 output mask is also applied for bypass */ size = arm_smmu_id_size_to_bits((id >> ID2_OAS_SHIFT) & ID2_OAS_MASK); @@ -1889,6 +1908,10 @@ static int arm_smmu_device_dt_probe(struct platform_device *pdev) smmu->irqs[i] = irq; } + err = arm_smmu_device_cfg_probe(smmu); + if (err) + return err; + i = 0; smmu->masters = RB_ROOT; while (!of_parse_phandle_with_args(dev->of_node, "mmu-masters", @@ -1905,10 +1928,6 @@ static int arm_smmu_device_dt_probe(struct platform_device *pdev) } dev_notice(dev, "registered %d master devices\n", i); - err = arm_smmu_device_cfg_probe(smmu); - if (err) - goto out_put_masters; - parse_driver_options(smmu); if (smmu->version > 1 && diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index 60ab474bfff..06d268abe95 100644 --- a/drivers/iommu/dmar.c +++ b/drivers/iommu/dmar.c @@ -678,8 +678,7 @@ static int __init dmar_acpi_dev_scope_init(void) andd->device_name); continue; } - acpi_bus_get_device(h, &adev); - if (!adev) { + if (acpi_bus_get_device(h, &adev)) { pr_err("Failed to get device for ACPI object %s\n", andd->device_name); continue; diff --git a/drivers/iommu/fsl_pamu_domain.c b/drivers/iommu/fsl_pamu_domain.c index 61d1dafa242..56feed7cec1 100644 --- a/drivers/iommu/fsl_pamu_domain.c +++ b/drivers/iommu/fsl_pamu_domain.c @@ -984,7 +984,7 @@ static int fsl_pamu_add_device(struct device *dev) struct iommu_group *group = ERR_PTR(-ENODEV); struct pci_dev *pdev; const u32 *prop; - int ret, len; + int ret = 0, len; /* * For platform devices we allocate a separate group for @@ -1007,7 +1007,13 @@ static int fsl_pamu_add_device(struct device *dev) if (IS_ERR(group)) return PTR_ERR(group); - ret = iommu_group_add_device(group, dev); + /* + * Check if device has already been added to an iommu group. + * Group could have already been created for a PCI device in + * the iommu_group_get_for_dev path. + */ + if (!dev->iommu_group) + ret = iommu_group_add_device(group, dev); iommu_group_put(group); return ret; diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index ac4adb33703..0639b9274b1 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -678,15 +678,17 @@ static struct iommu_group *iommu_group_get_for_pci_dev(struct pci_dev *pdev) */ struct iommu_group *iommu_group_get_for_dev(struct device *dev) { - struct iommu_group *group = ERR_PTR(-EIO); + struct iommu_group *group; int ret; group = iommu_group_get(dev); if (group) return group; - if (dev_is_pci(dev)) - group = iommu_group_get_for_pci_dev(to_pci_dev(dev)); + if (!dev_is_pci(dev)) + return ERR_PTR(-EINVAL); + + group = iommu_group_get_for_pci_dev(to_pci_dev(dev)); if (IS_ERR(group)) return group; diff --git a/drivers/irqchip/exynos-combiner.c b/drivers/irqchip/exynos-combiner.c index f8636a650cf..5945223b73f 100644 --- a/drivers/irqchip/exynos-combiner.c +++ b/drivers/irqchip/exynos-combiner.c @@ -15,6 +15,7 @@ #include <linux/slab.h> #include <linux/irqdomain.h> #include <linux/irqchip/chained_irq.h> +#include <linux/interrupt.h> #include <linux/of_address.h> #include <linux/of_irq.h> diff --git a/drivers/irqchip/irq-crossbar.c b/drivers/irqchip/irq-crossbar.c index 85c2985d8bc..bbbaf5de65d 100644 --- a/drivers/irqchip/irq-crossbar.c +++ b/drivers/irqchip/irq-crossbar.c @@ -220,7 +220,7 @@ static int __init crossbar_of_init(struct device_node *node) of_property_read_u32_index(node, "ti,irqs-reserved", i, &entry); - if (entry > max) { + if (entry >= max) { pr_err("Invalid reserved entry\n"); ret = -EINVAL; goto err_irq_map; @@ -238,7 +238,7 @@ static int __init crossbar_of_init(struct device_node *node) of_property_read_u32_index(node, "ti,irqs-skip", i, &entry); - if (entry > max) { + if (entry >= max) { pr_err("Invalid skip entry\n"); ret = -EINVAL; goto err_irq_map; diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c index 57eaa5a0b1e..a0698b4f030 100644 --- a/drivers/irqchip/irq-gic-v3.c +++ b/drivers/irqchip/irq-gic-v3.c @@ -36,7 +36,7 @@ struct gic_chip_data { void __iomem *dist_base; void __iomem **redist_base; - void __percpu __iomem **rdist; + void __iomem * __percpu *rdist; struct irq_domain *domain; u64 redist_stride; u32 redist_regions; @@ -104,7 +104,7 @@ static void gic_redist_wait_for_rwp(void) } /* Low level accessors */ -static u64 gic_read_iar(void) +static u64 __maybe_unused gic_read_iar(void) { u64 irqstat; @@ -112,24 +112,24 @@ static u64 gic_read_iar(void) return irqstat; } -static void gic_write_pmr(u64 val) +static void __maybe_unused gic_write_pmr(u64 val) { asm volatile("msr_s " __stringify(ICC_PMR_EL1) ", %0" : : "r" (val)); } -static void gic_write_ctlr(u64 val) +static void __maybe_unused gic_write_ctlr(u64 val) { asm volatile("msr_s " __stringify(ICC_CTLR_EL1) ", %0" : : "r" (val)); isb(); } -static void gic_write_grpen1(u64 val) +static void __maybe_unused gic_write_grpen1(u64 val) { asm volatile("msr_s " __stringify(ICC_GRPEN1_EL1) ", %0" : : "r" (val)); isb(); } -static void gic_write_sgi1r(u64 val) +static void __maybe_unused gic_write_sgi1r(u64 val) { asm volatile("msr_s " __stringify(ICC_SGI1R_EL1) ", %0" : : "r" (val)); } @@ -200,19 +200,6 @@ static void gic_poke_irq(struct irq_data *d, u32 offset) rwp_wait(); } -static int gic_peek_irq(struct irq_data *d, u32 offset) -{ - u32 mask = 1 << (gic_irq(d) % 32); - void __iomem *base; - - if (gic_irq_in_rdist(d)) - base = gic_data_rdist_sgi_base(); - else - base = gic_data.dist_base; - - return !!(readl_relaxed(base + offset + (gic_irq(d) / 32) * 4) & mask); -} - static void gic_mask_irq(struct irq_data *d) { gic_poke_irq(d, GICD_ICENABLER); @@ -401,6 +388,19 @@ static void gic_cpu_init(void) } #ifdef CONFIG_SMP +static int gic_peek_irq(struct irq_data *d, u32 offset) +{ + u32 mask = 1 << (gic_irq(d) % 32); + void __iomem *base; + + if (gic_irq_in_rdist(d)) + base = gic_data_rdist_sgi_base(); + else + base = gic_data.dist_base; + + return !!(readl_relaxed(base + offset + (gic_irq(d) / 32) * 4) & mask); +} + static int gic_secondary_init(struct notifier_block *nfb, unsigned long action, void *hcpu) { diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index 4b959e606fe..dda6dbc2356 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -867,7 +867,7 @@ static int gic_routable_irq_domain_xlate(struct irq_domain *d, return 0; } -const struct irq_domain_ops gic_default_routable_irq_domain_ops = { +static const struct irq_domain_ops gic_default_routable_irq_domain_ops = { .map = gic_routable_irq_domain_map, .unmap = gic_routable_irq_domain_unmap, .xlate = gic_routable_irq_domain_xlate, diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c index 129729d3547..aa29198fca3 100644 --- a/drivers/leds/led-class.c +++ b/drivers/leds/led-class.c @@ -15,10 +15,10 @@ #include <linux/list.h> #include <linux/spinlock.h> #include <linux/device.h> +#include <linux/timer.h> #include <linux/err.h> #include <linux/ctype.h> #include <linux/leds.h> -#include <linux/workqueue.h> #include "leds.h" static struct class *leds_class; @@ -97,10 +97,9 @@ static const struct attribute_group *led_groups[] = { NULL, }; -static void led_work_function(struct work_struct *ws) +static void led_timer_function(unsigned long data) { - struct led_classdev *led_cdev = - container_of(ws, struct led_classdev, blink_work.work); + struct led_classdev *led_cdev = (void *)data; unsigned long brightness; unsigned long delay; @@ -144,8 +143,7 @@ static void led_work_function(struct work_struct *ws) } } - queue_delayed_work(system_wq, &led_cdev->blink_work, - msecs_to_jiffies(delay)); + mod_timer(&led_cdev->blink_timer, jiffies + msecs_to_jiffies(delay)); } static void set_brightness_delayed(struct work_struct *ws) @@ -233,7 +231,9 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev) INIT_WORK(&led_cdev->set_brightness_work, set_brightness_delayed); - INIT_DELAYED_WORK(&led_cdev->blink_work, led_work_function); + init_timer(&led_cdev->blink_timer); + led_cdev->blink_timer.function = led_timer_function; + led_cdev->blink_timer.data = (unsigned long)led_cdev; #ifdef CONFIG_LEDS_TRIGGERS led_trigger_set_default(led_cdev); diff --git a/drivers/leds/led-core.c b/drivers/leds/led-core.c index 4bb116867b8..71b40d3bf77 100644 --- a/drivers/leds/led-core.c +++ b/drivers/leds/led-core.c @@ -16,7 +16,6 @@ #include <linux/module.h> #include <linux/rwsem.h> #include <linux/leds.h> -#include <linux/workqueue.h> #include "leds.h" DECLARE_RWSEM(leds_list_lock); @@ -52,7 +51,7 @@ static void led_set_software_blink(struct led_classdev *led_cdev, return; } - queue_delayed_work(system_wq, &led_cdev->blink_work, 1); + mod_timer(&led_cdev->blink_timer, jiffies + 1); } @@ -76,7 +75,7 @@ void led_blink_set(struct led_classdev *led_cdev, unsigned long *delay_on, unsigned long *delay_off) { - cancel_delayed_work_sync(&led_cdev->blink_work); + del_timer_sync(&led_cdev->blink_timer); led_cdev->flags &= ~LED_BLINK_ONESHOT; led_cdev->flags &= ~LED_BLINK_ONESHOT_STOP; @@ -91,7 +90,7 @@ void led_blink_set_oneshot(struct led_classdev *led_cdev, int invert) { if ((led_cdev->flags & LED_BLINK_ONESHOT) && - delayed_work_pending(&led_cdev->blink_work)) + timer_pending(&led_cdev->blink_timer)) return; led_cdev->flags |= LED_BLINK_ONESHOT; @@ -108,7 +107,7 @@ EXPORT_SYMBOL(led_blink_set_oneshot); void led_stop_software_blink(struct led_classdev *led_cdev) { - cancel_delayed_work_sync(&led_cdev->blink_work); + del_timer_sync(&led_cdev->blink_timer); led_cdev->blink_delay_on = 0; led_cdev->blink_delay_off = 0; } @@ -117,7 +116,7 @@ EXPORT_SYMBOL_GPL(led_stop_software_blink); void led_set_brightness(struct led_classdev *led_cdev, enum led_brightness brightness) { - /* delay brightness setting if need to stop soft-blink work */ + /* delay brightness setting if need to stop soft-blink timer */ if (led_cdev->blink_delay_on || led_cdev->blink_delay_off) { led_cdev->delayed_set_value = brightness; schedule_work(&led_cdev->set_brightness_work); diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index 1af40ee209e..7130505c242 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -895,8 +895,8 @@ static void migration_success_pre_commit(struct dm_cache_migration *mg) struct cache *cache = mg->cache; if (mg->writeback) { - cell_defer(cache, mg->old_ocell, false); clear_dirty(cache, mg->old_oblock, mg->cblock); + cell_defer(cache, mg->old_ocell, false); cleanup_migration(mg); return; @@ -951,13 +951,13 @@ static void migration_success_post_commit(struct dm_cache_migration *mg) } } else { + clear_dirty(cache, mg->new_oblock, mg->cblock); if (mg->requeue_holder) cell_defer(cache, mg->new_ocell, true); else { bio_endio(mg->new_ocell->holder, 0); cell_defer(cache, mg->new_ocell, false); } - clear_dirty(cache, mg->new_oblock, mg->cblock); cleanup_migration(mg); } } diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 2785007e0e4..cd15e080122 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -1688,6 +1688,7 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv) unsigned int key_size, opt_params; unsigned long long tmpll; int ret; + size_t iv_size_padding; struct dm_arg_set as; const char *opt_string; char dummy; @@ -1724,20 +1725,32 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv) cc->dmreq_start = sizeof(struct ablkcipher_request); cc->dmreq_start += crypto_ablkcipher_reqsize(any_tfm(cc)); - cc->dmreq_start = ALIGN(cc->dmreq_start, crypto_tfm_ctx_alignment()); - cc->dmreq_start += crypto_ablkcipher_alignmask(any_tfm(cc)) & - ~(crypto_tfm_ctx_alignment() - 1); + cc->dmreq_start = ALIGN(cc->dmreq_start, __alignof__(struct dm_crypt_request)); + + if (crypto_ablkcipher_alignmask(any_tfm(cc)) < CRYPTO_MINALIGN) { + /* Allocate the padding exactly */ + iv_size_padding = -(cc->dmreq_start + sizeof(struct dm_crypt_request)) + & crypto_ablkcipher_alignmask(any_tfm(cc)); + } else { + /* + * If the cipher requires greater alignment than kmalloc + * alignment, we don't know the exact position of the + * initialization vector. We must assume worst case. + */ + iv_size_padding = crypto_ablkcipher_alignmask(any_tfm(cc)); + } cc->req_pool = mempool_create_kmalloc_pool(MIN_IOS, cc->dmreq_start + - sizeof(struct dm_crypt_request) + cc->iv_size); + sizeof(struct dm_crypt_request) + iv_size_padding + cc->iv_size); if (!cc->req_pool) { ti->error = "Cannot allocate crypt request mempool"; goto bad; } cc->per_bio_data_size = ti->per_bio_data_size = - sizeof(struct dm_crypt_io) + cc->dmreq_start + - sizeof(struct dm_crypt_request) + cc->iv_size; + ALIGN(sizeof(struct dm_crypt_io) + cc->dmreq_start + + sizeof(struct dm_crypt_request) + iv_size_padding + cc->iv_size, + ARCH_KMALLOC_MINALIGN); cc->page_pool = mempool_create_page_pool(MIN_POOL_PAGES, 0); if (!cc->page_pool) { diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c index ce48aa72bb4..bde2fc07241 100644 --- a/drivers/mfd/ab8500-core.c +++ b/drivers/mfd/ab8500-core.c @@ -1754,7 +1754,7 @@ static int ab8500_probe(struct platform_device *pdev) if (ret) return ret; -#if CONFIG_DEBUG_FS +#ifdef CONFIG_DEBUG_FS /* Pass to debugfs */ ab8500_debug_resources[0].start = ab8500->irq; ab8500_debug_resources[0].end = ab8500->irq; diff --git a/drivers/mfd/htc-i2cpld.c b/drivers/mfd/htc-i2cpld.c index b44f0203983..6bdb78c2ac7 100644 --- a/drivers/mfd/htc-i2cpld.c +++ b/drivers/mfd/htc-i2cpld.c @@ -404,7 +404,7 @@ static int htcpld_register_chip_i2c( } i2c_set_clientdata(client, chip); - snprintf(client->name, I2C_NAME_SIZE, "Chip_0x%d", client->addr); + snprintf(client->name, I2C_NAME_SIZE, "Chip_0x%x", client->addr); chip->client = client; /* Reset the chip */ diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c index 33a9234b701..83dab2f0a50 100644 --- a/drivers/mfd/omap-usb-host.c +++ b/drivers/mfd/omap-usb-host.c @@ -647,7 +647,7 @@ static int usbhs_omap_probe(struct platform_device *pdev) default: omap->nports = OMAP3_HS_USB_PORTS; dev_dbg(dev, - "USB HOST Rev:0x%d not recognized, assuming %d ports\n", + "USB HOST Rev:0x%x not recognized, assuming %d ports\n", omap->usbhs_rev, omap->nports); break; } diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c index 3bc969a5916..4d3ff377149 100644 --- a/drivers/mfd/twl4030-power.c +++ b/drivers/mfd/twl4030-power.c @@ -724,24 +724,24 @@ static struct twl4030_script *omap3_idle_scripts[] = { * above. */ static struct twl4030_resconfig omap3_idle_rconfig[] = { - TWL_REMAP_SLEEP(RES_VAUX1, DEV_GRP_NULL, 0, 0), - TWL_REMAP_SLEEP(RES_VAUX2, DEV_GRP_NULL, 0, 0), - TWL_REMAP_SLEEP(RES_VAUX3, DEV_GRP_NULL, 0, 0), - TWL_REMAP_SLEEP(RES_VAUX4, DEV_GRP_NULL, 0, 0), - TWL_REMAP_SLEEP(RES_VMMC1, DEV_GRP_NULL, 0, 0), - TWL_REMAP_SLEEP(RES_VMMC2, DEV_GRP_NULL, 0, 0), + TWL_REMAP_SLEEP(RES_VAUX1, TWL4030_RESCONFIG_UNDEF, 0, 0), + TWL_REMAP_SLEEP(RES_VAUX2, TWL4030_RESCONFIG_UNDEF, 0, 0), + TWL_REMAP_SLEEP(RES_VAUX3, TWL4030_RESCONFIG_UNDEF, 0, 0), + TWL_REMAP_SLEEP(RES_VAUX4, TWL4030_RESCONFIG_UNDEF, 0, 0), + TWL_REMAP_SLEEP(RES_VMMC1, TWL4030_RESCONFIG_UNDEF, 0, 0), + TWL_REMAP_SLEEP(RES_VMMC2, TWL4030_RESCONFIG_UNDEF, 0, 0), TWL_REMAP_OFF(RES_VPLL1, DEV_GRP_P1, 3, 1), TWL_REMAP_SLEEP(RES_VPLL2, DEV_GRP_P1, 0, 0), - TWL_REMAP_SLEEP(RES_VSIM, DEV_GRP_NULL, 0, 0), - TWL_REMAP_SLEEP(RES_VDAC, DEV_GRP_NULL, 0, 0), + TWL_REMAP_SLEEP(RES_VSIM, TWL4030_RESCONFIG_UNDEF, 0, 0), + TWL_REMAP_SLEEP(RES_VDAC, TWL4030_RESCONFIG_UNDEF, 0, 0), TWL_REMAP_SLEEP(RES_VINTANA1, TWL_DEV_GRP_P123, 1, 2), TWL_REMAP_SLEEP(RES_VINTANA2, TWL_DEV_GRP_P123, 0, 2), TWL_REMAP_SLEEP(RES_VINTDIG, TWL_DEV_GRP_P123, 1, 2), TWL_REMAP_SLEEP(RES_VIO, TWL_DEV_GRP_P123, 2, 2), TWL_REMAP_OFF(RES_VDD1, DEV_GRP_P1, 4, 1), TWL_REMAP_OFF(RES_VDD2, DEV_GRP_P1, 3, 1), - TWL_REMAP_SLEEP(RES_VUSB_1V5, DEV_GRP_NULL, 0, 0), - TWL_REMAP_SLEEP(RES_VUSB_1V8, DEV_GRP_NULL, 0, 0), + TWL_REMAP_SLEEP(RES_VUSB_1V5, TWL4030_RESCONFIG_UNDEF, 0, 0), + TWL_REMAP_SLEEP(RES_VUSB_1V8, TWL4030_RESCONFIG_UNDEF, 0, 0), TWL_REMAP_SLEEP(RES_VUSB_3V1, TWL_DEV_GRP_P123, 0, 0), /* Resource #20 USB charge pump skipped */ TWL_REMAP_SLEEP(RES_REGEN, TWL_DEV_GRP_P123, 2, 1), diff --git a/drivers/misc/lattice-ecp3-config.c b/drivers/misc/lattice-ecp3-config.c index 7ffdb589841..7e1efd5f58f 100644 --- a/drivers/misc/lattice-ecp3-config.c +++ b/drivers/misc/lattice-ecp3-config.c @@ -79,6 +79,11 @@ static void firmware_load(const struct firmware *fw, void *context) u32 jedec_id; u32 status; + if (fw == NULL) { + dev_err(&spi->dev, "Cannot load firmware, aborting\n"); + return; + } + if (fw->size == 0) { dev_err(&spi->dev, "Error: Firmware size is 0!\n"); return; diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c index 324e1de9368..2da05c0e113 100644 --- a/drivers/misc/mei/client.c +++ b/drivers/misc/mei/client.c @@ -601,6 +601,7 @@ int mei_cl_connect(struct mei_cl *cl, struct file *file) cl->timer_count = MEI_CONNECT_TIMEOUT; list_add_tail(&cb->list, &dev->ctrl_rd_list.list); } else { + cl->state = MEI_FILE_INITIALIZING; list_add_tail(&cb->list, &dev->ctrl_wr_list.list); } diff --git a/drivers/misc/mei/nfc.c b/drivers/misc/mei/nfc.c index 3095fc514a6..5ccc23bc769 100644 --- a/drivers/misc/mei/nfc.c +++ b/drivers/misc/mei/nfc.c @@ -342,9 +342,10 @@ static int mei_nfc_send(struct mei_cl_device *cldev, u8 *buf, size_t length) ndev = (struct mei_nfc_dev *) cldev->priv_data; dev = ndev->cl->dev; + err = -ENOMEM; mei_buf = kzalloc(length + MEI_NFC_HEADER_SIZE, GFP_KERNEL); if (!mei_buf) - return -ENOMEM; + goto out; hdr = (struct mei_nfc_hci_hdr *) mei_buf; hdr->cmd = MEI_NFC_CMD_HCI_SEND; @@ -354,12 +355,9 @@ static int mei_nfc_send(struct mei_cl_device *cldev, u8 *buf, size_t length) hdr->data_size = length; memcpy(mei_buf + MEI_NFC_HEADER_SIZE, buf, length); - err = __mei_cl_send(ndev->cl, mei_buf, length + MEI_NFC_HEADER_SIZE); if (err < 0) - return err; - - kfree(mei_buf); + goto out; if (!wait_event_interruptible_timeout(ndev->send_wq, ndev->recv_req_id == ndev->req_id, HZ)) { @@ -368,7 +366,8 @@ static int mei_nfc_send(struct mei_cl_device *cldev, u8 *buf, size_t length) } else { ndev->req_id++; } - +out: + kfree(mei_buf); return err; } diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index 5a4bfe33112..46c4643b7a0 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -1434,6 +1434,10 @@ static int cfi_amdstd_otp_walk(struct mtd_info *mtd, loff_t from, size_t len, mutex_lock(&chip->mutex); ret = get_chip(map, chip, base, FL_LOCKING); + if (ret) { + mutex_unlock(&chip->mutex); + return ret; + } /* Enter lock register command */ cfi_send_gen_cmd(0xAA, cfi->addr_unlock1, diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index f0ed92e210a..5967b385141 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -931,7 +931,7 @@ static int omap_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u32 val; val = readl(info->reg.gpmc_ecc_config); - if (((val >> ECC_CONFIG_CS_SHIFT) & ~CS_MASK) != info->gpmc_cs) + if (((val >> ECC_CONFIG_CS_SHIFT) & CS_MASK) != info->gpmc_cs) return -EINVAL; /* read ecc result */ @@ -1794,9 +1794,12 @@ static int omap_nand_probe(struct platform_device *pdev) } /* populate MTD interface based on ECC scheme */ - nand_chip->ecc.layout = &omap_oobinfo; ecclayout = &omap_oobinfo; switch (info->ecc_opt) { + case OMAP_ECC_HAM1_CODE_SW: + nand_chip->ecc.mode = NAND_ECC_SOFT; + break; + case OMAP_ECC_HAM1_CODE_HW: pr_info("nand: using OMAP_ECC_HAM1_CODE_HW\n"); nand_chip->ecc.mode = NAND_ECC_HW; @@ -1848,7 +1851,7 @@ static int omap_nand_probe(struct platform_device *pdev) nand_chip->ecc.priv = nand_bch_init(mtd, nand_chip->ecc.size, nand_chip->ecc.bytes, - &nand_chip->ecc.layout); + &ecclayout); if (!nand_chip->ecc.priv) { pr_err("nand: error: unable to use s/w BCH library\n"); err = -EINVAL; @@ -1923,7 +1926,7 @@ static int omap_nand_probe(struct platform_device *pdev) nand_chip->ecc.priv = nand_bch_init(mtd, nand_chip->ecc.size, nand_chip->ecc.bytes, - &nand_chip->ecc.layout); + &ecclayout); if (!nand_chip->ecc.priv) { pr_err("nand: error: unable to use s/w BCH library\n"); err = -EINVAL; @@ -2012,6 +2015,9 @@ static int omap_nand_probe(struct platform_device *pdev) goto return_error; } + if (info->ecc_opt == OMAP_ECC_HAM1_CODE_SW) + goto scan_tail; + /* all OOB bytes from oobfree->offset till end off OOB are free */ ecclayout->oobfree->length = mtd->oobsize - ecclayout->oobfree->offset; /* check if NAND device's OOB is enough to store ECC signatures */ @@ -2021,7 +2027,9 @@ static int omap_nand_probe(struct platform_device *pdev) err = -EINVAL; goto return_error; } + nand_chip->ecc.layout = ecclayout; +scan_tail: /* second phase scan */ if (nand_scan_tail(mtd)) { err = -ENXIO; diff --git a/drivers/net/ethernet/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c index 059c7414e30..3fe45c70593 100644 --- a/drivers/net/ethernet/3com/3c59x.c +++ b/drivers/net/ethernet/3com/3c59x.c @@ -2177,10 +2177,10 @@ boomerang_start_xmit(struct sk_buff *skb, struct net_device *dev) skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; vp->tx_ring[entry].frag[i+1].addr = - cpu_to_le32(pci_map_single( - VORTEX_PCI(vp), - (void *)skb_frag_address(frag), - skb_frag_size(frag), PCI_DMA_TODEVICE)); + cpu_to_le32(skb_frag_dma_map( + &VORTEX_PCI(vp)->dev, + frag, + frag->page_offset, frag->size, DMA_TO_DEVICE)); if (i == skb_shinfo(skb)->nr_frags-1) vp->tx_ring[entry].frag[i+1].length = cpu_to_le32(skb_frag_size(frag)|LAST_FRAG); diff --git a/drivers/net/ethernet/aeroflex/greth.c b/drivers/net/ethernet/aeroflex/greth.c index 23578dfee24..3005155e412 100644 --- a/drivers/net/ethernet/aeroflex/greth.c +++ b/drivers/net/ethernet/aeroflex/greth.c @@ -123,6 +123,12 @@ static inline void greth_enable_tx(struct greth_private *greth) GRETH_REGORIN(greth->regs->control, GRETH_TXEN); } +static inline void greth_enable_tx_and_irq(struct greth_private *greth) +{ + wmb(); /* BDs must been written to memory before enabling TX */ + GRETH_REGORIN(greth->regs->control, GRETH_TXEN | GRETH_TXI); +} + static inline void greth_disable_tx(struct greth_private *greth) { GRETH_REGANDIN(greth->regs->control, ~GRETH_TXEN); @@ -447,29 +453,30 @@ out: return err; } +static inline u16 greth_num_free_bds(u16 tx_last, u16 tx_next) +{ + if (tx_next < tx_last) + return (tx_last - tx_next) - 1; + else + return GRETH_TXBD_NUM - (tx_next - tx_last) - 1; +} static netdev_tx_t greth_start_xmit_gbit(struct sk_buff *skb, struct net_device *dev) { struct greth_private *greth = netdev_priv(dev); struct greth_bd *bdp; - u32 status = 0, dma_addr, ctrl; + u32 status, dma_addr; int curr_tx, nr_frags, i, err = NETDEV_TX_OK; unsigned long flags; + u16 tx_last; nr_frags = skb_shinfo(skb)->nr_frags; + tx_last = greth->tx_last; + rmb(); /* tx_last is updated by the poll task */ - /* Clean TX Ring */ - greth_clean_tx_gbit(dev); - - if (greth->tx_free < nr_frags + 1) { - spin_lock_irqsave(&greth->devlock, flags);/*save from poll/irq*/ - ctrl = GRETH_REGLOAD(greth->regs->control); - /* Enable TX IRQ only if not already in poll() routine */ - if (ctrl & GRETH_RXI) - GRETH_REGSAVE(greth->regs->control, ctrl | GRETH_TXI); + if (greth_num_free_bds(tx_last, greth->tx_next) < nr_frags + 1) { netif_stop_queue(dev); - spin_unlock_irqrestore(&greth->devlock, flags); err = NETDEV_TX_BUSY; goto out; } @@ -488,6 +495,8 @@ greth_start_xmit_gbit(struct sk_buff *skb, struct net_device *dev) /* Linear buf */ if (nr_frags != 0) status = GRETH_TXBD_MORE; + else + status = GRETH_BD_IE; if (skb->ip_summed == CHECKSUM_PARTIAL) status |= GRETH_TXBD_CSALL; @@ -545,14 +554,12 @@ greth_start_xmit_gbit(struct sk_buff *skb, struct net_device *dev) /* Enable the descriptor chain by enabling the first descriptor */ bdp = greth->tx_bd_base + greth->tx_next; - greth_write_bd(&bdp->stat, greth_read_bd(&bdp->stat) | GRETH_BD_EN); - greth->tx_next = curr_tx; - greth->tx_free -= nr_frags + 1; - - wmb(); + greth_write_bd(&bdp->stat, + greth_read_bd(&bdp->stat) | GRETH_BD_EN); spin_lock_irqsave(&greth->devlock, flags); /*save from poll/irq*/ - greth_enable_tx(greth); + greth->tx_next = curr_tx; + greth_enable_tx_and_irq(greth); spin_unlock_irqrestore(&greth->devlock, flags); return NETDEV_TX_OK; @@ -648,7 +655,6 @@ static void greth_clean_tx(struct net_device *dev) if (greth->tx_free > 0) { netif_wake_queue(dev); } - } static inline void greth_update_tx_stats(struct net_device *dev, u32 stat) @@ -670,20 +676,22 @@ static void greth_clean_tx_gbit(struct net_device *dev) { struct greth_private *greth; struct greth_bd *bdp, *bdp_last_frag; - struct sk_buff *skb; + struct sk_buff *skb = NULL; u32 stat; int nr_frags, i; + u16 tx_last; greth = netdev_priv(dev); + tx_last = greth->tx_last; - while (greth->tx_free < GRETH_TXBD_NUM) { + while (tx_last != greth->tx_next) { - skb = greth->tx_skbuff[greth->tx_last]; + skb = greth->tx_skbuff[tx_last]; nr_frags = skb_shinfo(skb)->nr_frags; /* We only clean fully completed SKBs */ - bdp_last_frag = greth->tx_bd_base + SKIP_TX(greth->tx_last, nr_frags); + bdp_last_frag = greth->tx_bd_base + SKIP_TX(tx_last, nr_frags); GRETH_REGSAVE(greth->regs->status, GRETH_INT_TE | GRETH_INT_TX); mb(); @@ -692,14 +700,14 @@ static void greth_clean_tx_gbit(struct net_device *dev) if (stat & GRETH_BD_EN) break; - greth->tx_skbuff[greth->tx_last] = NULL; + greth->tx_skbuff[tx_last] = NULL; greth_update_tx_stats(dev, stat); dev->stats.tx_bytes += skb->len; - bdp = greth->tx_bd_base + greth->tx_last; + bdp = greth->tx_bd_base + tx_last; - greth->tx_last = NEXT_TX(greth->tx_last); + tx_last = NEXT_TX(tx_last); dma_unmap_single(greth->dev, greth_read_bd(&bdp->addr), @@ -708,21 +716,26 @@ static void greth_clean_tx_gbit(struct net_device *dev) for (i = 0; i < nr_frags; i++) { skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; - bdp = greth->tx_bd_base + greth->tx_last; + bdp = greth->tx_bd_base + tx_last; dma_unmap_page(greth->dev, greth_read_bd(&bdp->addr), skb_frag_size(frag), DMA_TO_DEVICE); - greth->tx_last = NEXT_TX(greth->tx_last); + tx_last = NEXT_TX(tx_last); } - greth->tx_free += nr_frags+1; dev_kfree_skb(skb); } + if (skb) { /* skb is set only if the above while loop was entered */ + wmb(); + greth->tx_last = tx_last; - if (netif_queue_stopped(dev) && (greth->tx_free > (MAX_SKB_FRAGS+1))) - netif_wake_queue(dev); + if (netif_queue_stopped(dev) && + (greth_num_free_bds(tx_last, greth->tx_next) > + (MAX_SKB_FRAGS+1))) + netif_wake_queue(dev); + } } static int greth_rx(struct net_device *dev, int limit) @@ -965,16 +978,12 @@ static int greth_poll(struct napi_struct *napi, int budget) greth = container_of(napi, struct greth_private, napi); restart_txrx_poll: - if (netif_queue_stopped(greth->netdev)) { - if (greth->gbit_mac) - greth_clean_tx_gbit(greth->netdev); - else - greth_clean_tx(greth->netdev); - } - if (greth->gbit_mac) { + greth_clean_tx_gbit(greth->netdev); work_done += greth_rx_gbit(greth->netdev, budget - work_done); } else { + if (netif_queue_stopped(greth->netdev)) + greth_clean_tx(greth->netdev); work_done += greth_rx(greth->netdev, budget - work_done); } @@ -983,7 +992,8 @@ restart_txrx_poll: spin_lock_irqsave(&greth->devlock, flags); ctrl = GRETH_REGLOAD(greth->regs->control); - if (netif_queue_stopped(greth->netdev)) { + if ((greth->gbit_mac && (greth->tx_last != greth->tx_next)) || + (!greth->gbit_mac && netif_queue_stopped(greth->netdev))) { GRETH_REGSAVE(greth->regs->control, ctrl | GRETH_TXI | GRETH_RXI); mask = GRETH_INT_RX | GRETH_INT_RE | diff --git a/drivers/net/ethernet/aeroflex/greth.h b/drivers/net/ethernet/aeroflex/greth.h index 232a622a85b..ae16ac94daf 100644 --- a/drivers/net/ethernet/aeroflex/greth.h +++ b/drivers/net/ethernet/aeroflex/greth.h @@ -107,7 +107,7 @@ struct greth_private { u16 tx_next; u16 tx_last; - u16 tx_free; + u16 tx_free; /* only used on 10/100Mbit */ u16 rx_cur; struct greth_regs *regs; /* Address of controller registers. */ diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c b/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c index 346592dca33..a3c11355a34 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c @@ -272,8 +272,8 @@ static ssize_t xpcs_reg_value_read(struct file *filp, char __user *buffer, struct xgbe_prv_data *pdata = filp->private_data; unsigned int value; - value = pdata->hw_if.read_mmd_regs(pdata, pdata->debugfs_xpcs_mmd, - pdata->debugfs_xpcs_reg); + value = XMDIO_READ(pdata, pdata->debugfs_xpcs_mmd, + pdata->debugfs_xpcs_reg); return xgbe_common_read(buffer, count, ppos, value); } @@ -290,8 +290,8 @@ static ssize_t xpcs_reg_value_write(struct file *filp, if (len < 0) return len; - pdata->hw_if.write_mmd_regs(pdata, pdata->debugfs_xpcs_mmd, - pdata->debugfs_xpcs_reg, value); + XMDIO_WRITE(pdata, pdata->debugfs_xpcs_mmd, pdata->debugfs_xpcs_reg, + value); return len; } diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c index edaca449626..ea273836d99 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c @@ -348,7 +348,7 @@ static int xgbe_disable_tx_flow_control(struct xgbe_prv_data *pdata) /* Clear MAC flow control */ max_q_count = XGMAC_MAX_FLOW_CONTROL_QUEUES; - q_count = min_t(unsigned int, pdata->rx_q_count, max_q_count); + q_count = min_t(unsigned int, pdata->tx_q_count, max_q_count); reg = MAC_Q0TFCR; for (i = 0; i < q_count; i++) { reg_val = XGMAC_IOREAD(pdata, reg); @@ -373,7 +373,7 @@ static int xgbe_enable_tx_flow_control(struct xgbe_prv_data *pdata) /* Set MAC flow control */ max_q_count = XGMAC_MAX_FLOW_CONTROL_QUEUES; - q_count = min_t(unsigned int, pdata->rx_q_count, max_q_count); + q_count = min_t(unsigned int, pdata->tx_q_count, max_q_count); reg = MAC_Q0TFCR; for (i = 0; i < q_count; i++) { reg_val = XGMAC_IOREAD(pdata, reg); @@ -509,8 +509,8 @@ static void xgbe_enable_mac_interrupts(struct xgbe_prv_data *pdata) XGMAC_IOWRITE(pdata, MAC_IER, mac_ier); /* Enable all counter interrupts */ - XGMAC_IOWRITE_BITS(pdata, MMC_RIER, ALL_INTERRUPTS, 0xff); - XGMAC_IOWRITE_BITS(pdata, MMC_TIER, ALL_INTERRUPTS, 0xff); + XGMAC_IOWRITE_BITS(pdata, MMC_RIER, ALL_INTERRUPTS, 0xffffffff); + XGMAC_IOWRITE_BITS(pdata, MMC_TIER, ALL_INTERRUPTS, 0xffffffff); } static int xgbe_set_gmii_speed(struct xgbe_prv_data *pdata) @@ -1633,6 +1633,9 @@ static int xgbe_flush_tx_queues(struct xgbe_prv_data *pdata) { unsigned int i, count; + if (XGMAC_GET_BITS(pdata->hw_feat.version, MAC_VR, SNPSVER) < 0x21) + return 0; + for (i = 0; i < pdata->tx_q_count; i++) XGMAC_MTL_IOWRITE_BITS(pdata, i, MTL_Q_TQOMR, FTQ, 1); @@ -1703,8 +1706,8 @@ static void xgbe_config_mtl_mode(struct xgbe_prv_data *pdata) XGMAC_IOWRITE_BITS(pdata, MTL_OMR, RAA, MTL_RAA_SP); } -static unsigned int xgbe_calculate_per_queue_fifo(unsigned long fifo_size, - unsigned char queue_count) +static unsigned int xgbe_calculate_per_queue_fifo(unsigned int fifo_size, + unsigned int queue_count) { unsigned int q_fifo_size = 0; enum xgbe_mtl_fifo_size p_fifo = XGMAC_MTL_FIFO_SIZE_256; @@ -1748,6 +1751,10 @@ static unsigned int xgbe_calculate_per_queue_fifo(unsigned long fifo_size, q_fifo_size = XGBE_FIFO_SIZE_KB(256); break; } + + /* The configured value is not the actual amount of fifo RAM */ + q_fifo_size = min_t(unsigned int, XGBE_FIFO_MAX, q_fifo_size); + q_fifo_size = q_fifo_size / queue_count; /* Set the queue fifo size programmable value */ @@ -1947,6 +1954,32 @@ static void xgbe_config_vlan_support(struct xgbe_prv_data *pdata) xgbe_disable_rx_vlan_stripping(pdata); } +static u64 xgbe_mmc_read(struct xgbe_prv_data *pdata, unsigned int reg_lo) +{ + bool read_hi; + u64 val; + + switch (reg_lo) { + /* These registers are always 64 bit */ + case MMC_TXOCTETCOUNT_GB_LO: + case MMC_TXOCTETCOUNT_G_LO: + case MMC_RXOCTETCOUNT_GB_LO: + case MMC_RXOCTETCOUNT_G_LO: + read_hi = true; + break; + + default: + read_hi = false; + }; + + val = XGMAC_IOREAD(pdata, reg_lo); + + if (read_hi) + val |= ((u64)XGMAC_IOREAD(pdata, reg_lo + 4) << 32); + + return val; +} + static void xgbe_tx_mmc_int(struct xgbe_prv_data *pdata) { struct xgbe_mmc_stats *stats = &pdata->mmc_stats; @@ -1954,75 +1987,75 @@ static void xgbe_tx_mmc_int(struct xgbe_prv_data *pdata) if (XGMAC_GET_BITS(mmc_isr, MMC_TISR, TXOCTETCOUNT_GB)) stats->txoctetcount_gb += - XGMAC_IOREAD(pdata, MMC_TXOCTETCOUNT_GB_LO); + xgbe_mmc_read(pdata, MMC_TXOCTETCOUNT_GB_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_TISR, TXFRAMECOUNT_GB)) stats->txframecount_gb += - XGMAC_IOREAD(pdata, MMC_TXFRAMECOUNT_GB_LO); + xgbe_mmc_read(pdata, MMC_TXFRAMECOUNT_GB_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_TISR, TXBROADCASTFRAMES_G)) stats->txbroadcastframes_g += - XGMAC_IOREAD(pdata, MMC_TXBROADCASTFRAMES_G_LO); + xgbe_mmc_read(pdata, MMC_TXBROADCASTFRAMES_G_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_TISR, TXMULTICASTFRAMES_G)) stats->txmulticastframes_g += - XGMAC_IOREAD(pdata, MMC_TXMULTICASTFRAMES_G_LO); + xgbe_mmc_read(pdata, MMC_TXMULTICASTFRAMES_G_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_TISR, TX64OCTETS_GB)) stats->tx64octets_gb += - XGMAC_IOREAD(pdata, MMC_TX64OCTETS_GB_LO); + xgbe_mmc_read(pdata, MMC_TX64OCTETS_GB_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_TISR, TX65TO127OCTETS_GB)) stats->tx65to127octets_gb += - XGMAC_IOREAD(pdata, MMC_TX65TO127OCTETS_GB_LO); + xgbe_mmc_read(pdata, MMC_TX65TO127OCTETS_GB_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_TISR, TX128TO255OCTETS_GB)) stats->tx128to255octets_gb += - XGMAC_IOREAD(pdata, MMC_TX128TO255OCTETS_GB_LO); + xgbe_mmc_read(pdata, MMC_TX128TO255OCTETS_GB_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_TISR, TX256TO511OCTETS_GB)) stats->tx256to511octets_gb += - XGMAC_IOREAD(pdata, MMC_TX256TO511OCTETS_GB_LO); + xgbe_mmc_read(pdata, MMC_TX256TO511OCTETS_GB_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_TISR, TX512TO1023OCTETS_GB)) stats->tx512to1023octets_gb += - XGMAC_IOREAD(pdata, MMC_TX512TO1023OCTETS_GB_LO); + xgbe_mmc_read(pdata, MMC_TX512TO1023OCTETS_GB_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_TISR, TX1024TOMAXOCTETS_GB)) stats->tx1024tomaxoctets_gb += - XGMAC_IOREAD(pdata, MMC_TX1024TOMAXOCTETS_GB_LO); + xgbe_mmc_read(pdata, MMC_TX1024TOMAXOCTETS_GB_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_TISR, TXUNICASTFRAMES_GB)) stats->txunicastframes_gb += - XGMAC_IOREAD(pdata, MMC_TXUNICASTFRAMES_GB_LO); + xgbe_mmc_read(pdata, MMC_TXUNICASTFRAMES_GB_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_TISR, TXMULTICASTFRAMES_GB)) stats->txmulticastframes_gb += - XGMAC_IOREAD(pdata, MMC_TXMULTICASTFRAMES_GB_LO); + xgbe_mmc_read(pdata, MMC_TXMULTICASTFRAMES_GB_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_TISR, TXBROADCASTFRAMES_GB)) stats->txbroadcastframes_g += - XGMAC_IOREAD(pdata, MMC_TXBROADCASTFRAMES_GB_LO); + xgbe_mmc_read(pdata, MMC_TXBROADCASTFRAMES_GB_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_TISR, TXUNDERFLOWERROR)) stats->txunderflowerror += - XGMAC_IOREAD(pdata, MMC_TXUNDERFLOWERROR_LO); + xgbe_mmc_read(pdata, MMC_TXUNDERFLOWERROR_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_TISR, TXOCTETCOUNT_G)) stats->txoctetcount_g += - XGMAC_IOREAD(pdata, MMC_TXOCTETCOUNT_G_LO); + xgbe_mmc_read(pdata, MMC_TXOCTETCOUNT_G_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_TISR, TXFRAMECOUNT_G)) stats->txframecount_g += - XGMAC_IOREAD(pdata, MMC_TXFRAMECOUNT_G_LO); + xgbe_mmc_read(pdata, MMC_TXFRAMECOUNT_G_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_TISR, TXPAUSEFRAMES)) stats->txpauseframes += - XGMAC_IOREAD(pdata, MMC_TXPAUSEFRAMES_LO); + xgbe_mmc_read(pdata, MMC_TXPAUSEFRAMES_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_TISR, TXVLANFRAMES_G)) stats->txvlanframes_g += - XGMAC_IOREAD(pdata, MMC_TXVLANFRAMES_G_LO); + xgbe_mmc_read(pdata, MMC_TXVLANFRAMES_G_LO); } static void xgbe_rx_mmc_int(struct xgbe_prv_data *pdata) @@ -2032,95 +2065,95 @@ static void xgbe_rx_mmc_int(struct xgbe_prv_data *pdata) if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RXFRAMECOUNT_GB)) stats->rxframecount_gb += - XGMAC_IOREAD(pdata, MMC_RXFRAMECOUNT_GB_LO); + xgbe_mmc_read(pdata, MMC_RXFRAMECOUNT_GB_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RXOCTETCOUNT_GB)) stats->rxoctetcount_gb += - XGMAC_IOREAD(pdata, MMC_RXOCTETCOUNT_GB_LO); + xgbe_mmc_read(pdata, MMC_RXOCTETCOUNT_GB_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RXOCTETCOUNT_G)) stats->rxoctetcount_g += - XGMAC_IOREAD(pdata, MMC_RXOCTETCOUNT_G_LO); + xgbe_mmc_read(pdata, MMC_RXOCTETCOUNT_G_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RXBROADCASTFRAMES_G)) stats->rxbroadcastframes_g += - XGMAC_IOREAD(pdata, MMC_RXBROADCASTFRAMES_G_LO); + xgbe_mmc_read(pdata, MMC_RXBROADCASTFRAMES_G_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RXMULTICASTFRAMES_G)) stats->rxmulticastframes_g += - XGMAC_IOREAD(pdata, MMC_RXMULTICASTFRAMES_G_LO); + xgbe_mmc_read(pdata, MMC_RXMULTICASTFRAMES_G_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RXCRCERROR)) stats->rxcrcerror += - XGMAC_IOREAD(pdata, MMC_RXCRCERROR_LO); + xgbe_mmc_read(pdata, MMC_RXCRCERROR_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RXRUNTERROR)) stats->rxrunterror += - XGMAC_IOREAD(pdata, MMC_RXRUNTERROR); + xgbe_mmc_read(pdata, MMC_RXRUNTERROR); if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RXJABBERERROR)) stats->rxjabbererror += - XGMAC_IOREAD(pdata, MMC_RXJABBERERROR); + xgbe_mmc_read(pdata, MMC_RXJABBERERROR); if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RXUNDERSIZE_G)) stats->rxundersize_g += - XGMAC_IOREAD(pdata, MMC_RXUNDERSIZE_G); + xgbe_mmc_read(pdata, MMC_RXUNDERSIZE_G); if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RXOVERSIZE_G)) stats->rxoversize_g += - XGMAC_IOREAD(pdata, MMC_RXOVERSIZE_G); + xgbe_mmc_read(pdata, MMC_RXOVERSIZE_G); if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RX64OCTETS_GB)) stats->rx64octets_gb += - XGMAC_IOREAD(pdata, MMC_RX64OCTETS_GB_LO); + xgbe_mmc_read(pdata, MMC_RX64OCTETS_GB_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RX65TO127OCTETS_GB)) stats->rx65to127octets_gb += - XGMAC_IOREAD(pdata, MMC_RX65TO127OCTETS_GB_LO); + xgbe_mmc_read(pdata, MMC_RX65TO127OCTETS_GB_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RX128TO255OCTETS_GB)) stats->rx128to255octets_gb += - XGMAC_IOREAD(pdata, MMC_RX128TO255OCTETS_GB_LO); + xgbe_mmc_read(pdata, MMC_RX128TO255OCTETS_GB_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RX256TO511OCTETS_GB)) stats->rx256to511octets_gb += - XGMAC_IOREAD(pdata, MMC_RX256TO511OCTETS_GB_LO); + xgbe_mmc_read(pdata, MMC_RX256TO511OCTETS_GB_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RX512TO1023OCTETS_GB)) stats->rx512to1023octets_gb += - XGMAC_IOREAD(pdata, MMC_RX512TO1023OCTETS_GB_LO); + xgbe_mmc_read(pdata, MMC_RX512TO1023OCTETS_GB_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RX1024TOMAXOCTETS_GB)) stats->rx1024tomaxoctets_gb += - XGMAC_IOREAD(pdata, MMC_RX1024TOMAXOCTETS_GB_LO); + xgbe_mmc_read(pdata, MMC_RX1024TOMAXOCTETS_GB_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RXUNICASTFRAMES_G)) stats->rxunicastframes_g += - XGMAC_IOREAD(pdata, MMC_RXUNICASTFRAMES_G_LO); + xgbe_mmc_read(pdata, MMC_RXUNICASTFRAMES_G_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RXLENGTHERROR)) stats->rxlengtherror += - XGMAC_IOREAD(pdata, MMC_RXLENGTHERROR_LO); + xgbe_mmc_read(pdata, MMC_RXLENGTHERROR_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RXOUTOFRANGETYPE)) stats->rxoutofrangetype += - XGMAC_IOREAD(pdata, MMC_RXOUTOFRANGETYPE_LO); + xgbe_mmc_read(pdata, MMC_RXOUTOFRANGETYPE_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RXPAUSEFRAMES)) stats->rxpauseframes += - XGMAC_IOREAD(pdata, MMC_RXPAUSEFRAMES_LO); + xgbe_mmc_read(pdata, MMC_RXPAUSEFRAMES_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RXFIFOOVERFLOW)) stats->rxfifooverflow += - XGMAC_IOREAD(pdata, MMC_RXFIFOOVERFLOW_LO); + xgbe_mmc_read(pdata, MMC_RXFIFOOVERFLOW_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RXVLANFRAMES_GB)) stats->rxvlanframes_gb += - XGMAC_IOREAD(pdata, MMC_RXVLANFRAMES_GB_LO); + xgbe_mmc_read(pdata, MMC_RXVLANFRAMES_GB_LO); if (XGMAC_GET_BITS(mmc_isr, MMC_RISR, RXWATCHDOGERROR)) stats->rxwatchdogerror += - XGMAC_IOREAD(pdata, MMC_RXWATCHDOGERROR); + xgbe_mmc_read(pdata, MMC_RXWATCHDOGERROR); } static void xgbe_read_mmc_stats(struct xgbe_prv_data *pdata) @@ -2131,127 +2164,127 @@ static void xgbe_read_mmc_stats(struct xgbe_prv_data *pdata) XGMAC_IOWRITE_BITS(pdata, MMC_CR, MCF, 1); stats->txoctetcount_gb += - XGMAC_IOREAD(pdata, MMC_TXOCTETCOUNT_GB_LO); + xgbe_mmc_read(pdata, MMC_TXOCTETCOUNT_GB_LO); stats->txframecount_gb += - XGMAC_IOREAD(pdata, MMC_TXFRAMECOUNT_GB_LO); + xgbe_mmc_read(pdata, MMC_TXFRAMECOUNT_GB_LO); stats->txbroadcastframes_g += - XGMAC_IOREAD(pdata, MMC_TXBROADCASTFRAMES_G_LO); + xgbe_mmc_read(pdata, MMC_TXBROADCASTFRAMES_G_LO); stats->txmulticastframes_g += - XGMAC_IOREAD(pdata, MMC_TXMULTICASTFRAMES_G_LO); + xgbe_mmc_read(pdata, MMC_TXMULTICASTFRAMES_G_LO); stats->tx64octets_gb += - XGMAC_IOREAD(pdata, MMC_TX64OCTETS_GB_LO); + xgbe_mmc_read(pdata, MMC_TX64OCTETS_GB_LO); stats->tx65to127octets_gb += - XGMAC_IOREAD(pdata, MMC_TX65TO127OCTETS_GB_LO); + xgbe_mmc_read(pdata, MMC_TX65TO127OCTETS_GB_LO); stats->tx128to255octets_gb += - XGMAC_IOREAD(pdata, MMC_TX128TO255OCTETS_GB_LO); + xgbe_mmc_read(pdata, MMC_TX128TO255OCTETS_GB_LO); stats->tx256to511octets_gb += - XGMAC_IOREAD(pdata, MMC_TX256TO511OCTETS_GB_LO); + xgbe_mmc_read(pdata, MMC_TX256TO511OCTETS_GB_LO); stats->tx512to1023octets_gb += - XGMAC_IOREAD(pdata, MMC_TX512TO1023OCTETS_GB_LO); + xgbe_mmc_read(pdata, MMC_TX512TO1023OCTETS_GB_LO); stats->tx1024tomaxoctets_gb += - XGMAC_IOREAD(pdata, MMC_TX1024TOMAXOCTETS_GB_LO); + xgbe_mmc_read(pdata, MMC_TX1024TOMAXOCTETS_GB_LO); stats->txunicastframes_gb += - XGMAC_IOREAD(pdata, MMC_TXUNICASTFRAMES_GB_LO); + xgbe_mmc_read(pdata, MMC_TXUNICASTFRAMES_GB_LO); stats->txmulticastframes_gb += - XGMAC_IOREAD(pdata, MMC_TXMULTICASTFRAMES_GB_LO); + xgbe_mmc_read(pdata, MMC_TXMULTICASTFRAMES_GB_LO); stats->txbroadcastframes_g += - XGMAC_IOREAD(pdata, MMC_TXBROADCASTFRAMES_GB_LO); + xgbe_mmc_read(pdata, MMC_TXBROADCASTFRAMES_GB_LO); stats->txunderflowerror += - XGMAC_IOREAD(pdata, MMC_TXUNDERFLOWERROR_LO); + xgbe_mmc_read(pdata, MMC_TXUNDERFLOWERROR_LO); stats->txoctetcount_g += - XGMAC_IOREAD(pdata, MMC_TXOCTETCOUNT_G_LO); + xgbe_mmc_read(pdata, MMC_TXOCTETCOUNT_G_LO); stats->txframecount_g += - XGMAC_IOREAD(pdata, MMC_TXFRAMECOUNT_G_LO); + xgbe_mmc_read(pdata, MMC_TXFRAMECOUNT_G_LO); stats->txpauseframes += - XGMAC_IOREAD(pdata, MMC_TXPAUSEFRAMES_LO); + xgbe_mmc_read(pdata, MMC_TXPAUSEFRAMES_LO); stats->txvlanframes_g += - XGMAC_IOREAD(pdata, MMC_TXVLANFRAMES_G_LO); + xgbe_mmc_read(pdata, MMC_TXVLANFRAMES_G_LO); stats->rxframecount_gb += - XGMAC_IOREAD(pdata, MMC_RXFRAMECOUNT_GB_LO); + xgbe_mmc_read(pdata, MMC_RXFRAMECOUNT_GB_LO); stats->rxoctetcount_gb += - XGMAC_IOREAD(pdata, MMC_RXOCTETCOUNT_GB_LO); + xgbe_mmc_read(pdata, MMC_RXOCTETCOUNT_GB_LO); stats->rxoctetcount_g += - XGMAC_IOREAD(pdata, MMC_RXOCTETCOUNT_G_LO); + xgbe_mmc_read(pdata, MMC_RXOCTETCOUNT_G_LO); stats->rxbroadcastframes_g += - XGMAC_IOREAD(pdata, MMC_RXBROADCASTFRAMES_G_LO); + xgbe_mmc_read(pdata, MMC_RXBROADCASTFRAMES_G_LO); stats->rxmulticastframes_g += - XGMAC_IOREAD(pdata, MMC_RXMULTICASTFRAMES_G_LO); + xgbe_mmc_read(pdata, MMC_RXMULTICASTFRAMES_G_LO); stats->rxcrcerror += - XGMAC_IOREAD(pdata, MMC_RXCRCERROR_LO); + xgbe_mmc_read(pdata, MMC_RXCRCERROR_LO); stats->rxrunterror += - XGMAC_IOREAD(pdata, MMC_RXRUNTERROR); + xgbe_mmc_read(pdata, MMC_RXRUNTERROR); stats->rxjabbererror += - XGMAC_IOREAD(pdata, MMC_RXJABBERERROR); + xgbe_mmc_read(pdata, MMC_RXJABBERERROR); stats->rxundersize_g += - XGMAC_IOREAD(pdata, MMC_RXUNDERSIZE_G); + xgbe_mmc_read(pdata, MMC_RXUNDERSIZE_G); stats->rxoversize_g += - XGMAC_IOREAD(pdata, MMC_RXOVERSIZE_G); + xgbe_mmc_read(pdata, MMC_RXOVERSIZE_G); stats->rx64octets_gb += - XGMAC_IOREAD(pdata, MMC_RX64OCTETS_GB_LO); + xgbe_mmc_read(pdata, MMC_RX64OCTETS_GB_LO); stats->rx65to127octets_gb += - XGMAC_IOREAD(pdata, MMC_RX65TO127OCTETS_GB_LO); + xgbe_mmc_read(pdata, MMC_RX65TO127OCTETS_GB_LO); stats->rx128to255octets_gb += - XGMAC_IOREAD(pdata, MMC_RX128TO255OCTETS_GB_LO); + xgbe_mmc_read(pdata, MMC_RX128TO255OCTETS_GB_LO); stats->rx256to511octets_gb += - XGMAC_IOREAD(pdata, MMC_RX256TO511OCTETS_GB_LO); + xgbe_mmc_read(pdata, MMC_RX256TO511OCTETS_GB_LO); stats->rx512to1023octets_gb += - XGMAC_IOREAD(pdata, MMC_RX512TO1023OCTETS_GB_LO); + xgbe_mmc_read(pdata, MMC_RX512TO1023OCTETS_GB_LO); stats->rx1024tomaxoctets_gb += - XGMAC_IOREAD(pdata, MMC_RX1024TOMAXOCTETS_GB_LO); + xgbe_mmc_read(pdata, MMC_RX1024TOMAXOCTETS_GB_LO); stats->rxunicastframes_g += - XGMAC_IOREAD(pdata, MMC_RXUNICASTFRAMES_G_LO); + xgbe_mmc_read(pdata, MMC_RXUNICASTFRAMES_G_LO); stats->rxlengtherror += - XGMAC_IOREAD(pdata, MMC_RXLENGTHERROR_LO); + xgbe_mmc_read(pdata, MMC_RXLENGTHERROR_LO); stats->rxoutofrangetype += - XGMAC_IOREAD(pdata, MMC_RXOUTOFRANGETYPE_LO); + xgbe_mmc_read(pdata, MMC_RXOUTOFRANGETYPE_LO); stats->rxpauseframes += - XGMAC_IOREAD(pdata, MMC_RXPAUSEFRAMES_LO); + xgbe_mmc_read(pdata, MMC_RXPAUSEFRAMES_LO); stats->rxfifooverflow += - XGMAC_IOREAD(pdata, MMC_RXFIFOOVERFLOW_LO); + xgbe_mmc_read(pdata, MMC_RXFIFOOVERFLOW_LO); stats->rxvlanframes_gb += - XGMAC_IOREAD(pdata, MMC_RXVLANFRAMES_GB_LO); + xgbe_mmc_read(pdata, MMC_RXVLANFRAMES_GB_LO); stats->rxwatchdogerror += - XGMAC_IOREAD(pdata, MMC_RXWATCHDOGERROR); + xgbe_mmc_read(pdata, MMC_RXWATCHDOGERROR); /* Un-freeze counters */ XGMAC_IOWRITE_BITS(pdata, MMC_CR, MCF, 0); diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c index dc84f7193c2..b26d7585655 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c @@ -361,6 +361,8 @@ void xgbe_get_all_hw_features(struct xgbe_prv_data *pdata) memset(hw_feat, 0, sizeof(*hw_feat)); + hw_feat->version = XGMAC_IOREAD(pdata, MAC_VR); + /* Hardware feature register 0 */ hw_feat->gmii = XGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, GMIISEL); hw_feat->vlhash = XGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, VLHASH); diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c index a076aca138a..46f613028e9 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c @@ -361,15 +361,16 @@ static void xgbe_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) { struct xgbe_prv_data *pdata = netdev_priv(netdev); + struct xgbe_hw_features *hw_feat = &pdata->hw_feat; strlcpy(drvinfo->driver, XGBE_DRV_NAME, sizeof(drvinfo->driver)); strlcpy(drvinfo->version, XGBE_DRV_VERSION, sizeof(drvinfo->version)); strlcpy(drvinfo->bus_info, dev_name(pdata->dev), sizeof(drvinfo->bus_info)); snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "%d.%d.%d", - XGMAC_IOREAD_BITS(pdata, MAC_VR, USERVER), - XGMAC_IOREAD_BITS(pdata, MAC_VR, DEVID), - XGMAC_IOREAD_BITS(pdata, MAC_VR, SNPSVER)); + XGMAC_GET_BITS(hw_feat->version, MAC_VR, USERVER), + XGMAC_GET_BITS(hw_feat->version, MAC_VR, DEVID), + XGMAC_GET_BITS(hw_feat->version, MAC_VR, SNPSVER)); drvinfo->n_stats = XGBE_STATS_COUNT; } diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-main.c b/drivers/net/ethernet/amd/xgbe/xgbe-main.c index 8aa6a9353f7..bdf9cfa70e8 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-main.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-main.c @@ -172,7 +172,7 @@ static struct xgbe_channel *xgbe_alloc_rings(struct xgbe_prv_data *pdata) } if (i < pdata->rx_ring_count) { - spin_lock_init(&tx_ring->lock); + spin_lock_init(&rx_ring->lock); channel->rx_ring = rx_ring++; } diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h index 07bf70a8290..e9fe6e6ddcc 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe.h +++ b/drivers/net/ethernet/amd/xgbe/xgbe.h @@ -183,6 +183,7 @@ #define XGMAC_DRIVER_CONTEXT 1 #define XGMAC_IOCTL_CONTEXT 2 +#define XGBE_FIFO_MAX 81920 #define XGBE_FIFO_SIZE_B(x) (x) #define XGBE_FIFO_SIZE_KB(x) (x * 1024) @@ -526,6 +527,9 @@ struct xgbe_desc_if { * or configurations are present in the device. */ struct xgbe_hw_features { + /* HW Version */ + unsigned int version; + /* HW Feature Register0 */ unsigned int gmii; /* 1000 Mbps support */ unsigned int vlhash; /* VLAN Hash Filter */ diff --git a/drivers/net/ethernet/apm/xgene/Kconfig b/drivers/net/ethernet/apm/xgene/Kconfig index 616dff6d3f5..f4054d242f3 100644 --- a/drivers/net/ethernet/apm/xgene/Kconfig +++ b/drivers/net/ethernet/apm/xgene/Kconfig @@ -1,5 +1,6 @@ config NET_XGENE tristate "APM X-Gene SoC Ethernet Driver" + depends on HAS_DMA select PHYLIB help This is the Ethernet driver for the on-chip ethernet interface on the diff --git a/drivers/net/ethernet/broadcom/Kconfig b/drivers/net/ethernet/broadcom/Kconfig index 7dcfb19a31c..d8d07a818b8 100644 --- a/drivers/net/ethernet/broadcom/Kconfig +++ b/drivers/net/ethernet/broadcom/Kconfig @@ -84,7 +84,7 @@ config BNX2 config CNIC tristate "QLogic CNIC support" - depends on PCI + depends on PCI && (IPV6 || IPV6=n) select BNX2 select UIO ---help--- diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h index 5ba8af50c84..c4daa068f1d 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h @@ -2233,7 +2233,12 @@ struct shmem2_region { u32 reserved3; /* Offset 0x14C */ u32 reserved4; /* Offset 0x150 */ u32 link_attr_sync[PORT_MAX]; /* Offset 0x154 */ - #define LINK_ATTR_SYNC_KR2_ENABLE (1<<0) + #define LINK_ATTR_SYNC_KR2_ENABLE 0x00000001 + #define LINK_SFP_EEPROM_COMP_CODE_MASK 0x0000ff00 + #define LINK_SFP_EEPROM_COMP_CODE_SHIFT 8 + #define LINK_SFP_EEPROM_COMP_CODE_SR 0x00001000 + #define LINK_SFP_EEPROM_COMP_CODE_LR 0x00002000 + #define LINK_SFP_EEPROM_COMP_CODE_LRM 0x00004000 u32 reserved5[2]; u32 reserved6[PORT_MAX]; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c index 53fb4fa61b4..549549eaf58 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c @@ -154,15 +154,22 @@ typedef int (*read_sfp_module_eeprom_func_p)(struct bnx2x_phy *phy, LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE) #define SFP_EEPROM_CON_TYPE_ADDR 0x2 + #define SFP_EEPROM_CON_TYPE_VAL_UNKNOWN 0x0 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7 #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21 #define SFP_EEPROM_CON_TYPE_VAL_RJ45 0x22 -#define SFP_EEPROM_COMP_CODE_ADDR 0x3 - #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4) - #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5) - #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6) +#define SFP_EEPROM_10G_COMP_CODE_ADDR 0x3 + #define SFP_EEPROM_10G_COMP_CODE_SR_MASK (1<<4) + #define SFP_EEPROM_10G_COMP_CODE_LR_MASK (1<<5) + #define SFP_EEPROM_10G_COMP_CODE_LRM_MASK (1<<6) + +#define SFP_EEPROM_1G_COMP_CODE_ADDR 0x6 + #define SFP_EEPROM_1G_COMP_CODE_SX (1<<0) + #define SFP_EEPROM_1G_COMP_CODE_LX (1<<1) + #define SFP_EEPROM_1G_COMP_CODE_CX (1<<2) + #define SFP_EEPROM_1G_COMP_CODE_BASE_T (1<<3) #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4 @@ -3633,8 +3640,8 @@ static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy, reg_set[i].val); /* Start KR2 work-around timer which handles BCM8073 link-parner */ - vars->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE; - bnx2x_update_link_attr(params, vars->link_attr_sync); + params->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE; + bnx2x_update_link_attr(params, params->link_attr_sync); } static void bnx2x_disable_kr2(struct link_params *params, @@ -3666,8 +3673,8 @@ static void bnx2x_disable_kr2(struct link_params *params, for (i = 0; i < ARRAY_SIZE(reg_set); i++) bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg, reg_set[i].val); - vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE; - bnx2x_update_link_attr(params, vars->link_attr_sync); + params->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE; + bnx2x_update_link_attr(params, params->link_attr_sync); vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT; } @@ -4810,7 +4817,7 @@ void bnx2x_link_status_update(struct link_params *params, ~FEATURE_CONFIG_PFC_ENABLED; if (SHMEM2_HAS(bp, link_attr_sync)) - vars->link_attr_sync = SHMEM2_RD(bp, + params->link_attr_sync = SHMEM2_RD(bp, link_attr_sync[params->port]); DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n", @@ -8057,21 +8064,24 @@ static int bnx2x_get_edc_mode(struct bnx2x_phy *phy, { struct bnx2x *bp = params->bp; u32 sync_offset = 0, phy_idx, media_types; - u8 gport, val[2], check_limiting_mode = 0; + u8 val[SFP_EEPROM_FC_TX_TECH_ADDR + 1], check_limiting_mode = 0; *edc_mode = EDC_MODE_LIMITING; phy->media_type = ETH_PHY_UNSPECIFIED; /* First check for copper cable */ if (bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0, - SFP_EEPROM_CON_TYPE_ADDR, - 2, + 0, + SFP_EEPROM_FC_TX_TECH_ADDR + 1, (u8 *)val) != 0) { DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n"); return -EINVAL; } - - switch (val[0]) { + params->link_attr_sync &= ~LINK_SFP_EEPROM_COMP_CODE_MASK; + params->link_attr_sync |= val[SFP_EEPROM_10G_COMP_CODE_ADDR] << + LINK_SFP_EEPROM_COMP_CODE_SHIFT; + bnx2x_update_link_attr(params, params->link_attr_sync); + switch (val[SFP_EEPROM_CON_TYPE_ADDR]) { case SFP_EEPROM_CON_TYPE_VAL_COPPER: { u8 copper_module_type; @@ -8079,17 +8089,7 @@ static int bnx2x_get_edc_mode(struct bnx2x_phy *phy, /* Check if its active cable (includes SFP+ module) * of passive cable */ - if (bnx2x_read_sfp_module_eeprom(phy, - params, - I2C_DEV_ADDR_A0, - SFP_EEPROM_FC_TX_TECH_ADDR, - 1, - &copper_module_type) != 0) { - DP(NETIF_MSG_LINK, - "Failed to read copper-cable-type" - " from SFP+ EEPROM\n"); - return -EINVAL; - } + copper_module_type = val[SFP_EEPROM_FC_TX_TECH_ADDR]; if (copper_module_type & SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) { @@ -8115,16 +8115,18 @@ static int bnx2x_get_edc_mode(struct bnx2x_phy *phy, } break; } + case SFP_EEPROM_CON_TYPE_VAL_UNKNOWN: case SFP_EEPROM_CON_TYPE_VAL_LC: case SFP_EEPROM_CON_TYPE_VAL_RJ45: check_limiting_mode = 1; - if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK | - SFP_EEPROM_COMP_CODE_LR_MASK | - SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) { + if ((val[SFP_EEPROM_10G_COMP_CODE_ADDR] & + (SFP_EEPROM_10G_COMP_CODE_SR_MASK | + SFP_EEPROM_10G_COMP_CODE_LR_MASK | + SFP_EEPROM_10G_COMP_CODE_LRM_MASK)) == 0) { DP(NETIF_MSG_LINK, "1G SFP module detected\n"); - gport = params->port; phy->media_type = ETH_PHY_SFP_1G_FIBER; if (phy->req_line_speed != SPEED_1000) { + u8 gport = params->port; phy->req_line_speed = SPEED_1000; if (!CHIP_IS_E1x(bp)) { gport = BP_PATH(bp) + @@ -8134,6 +8136,12 @@ static int bnx2x_get_edc_mode(struct bnx2x_phy *phy, "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n", gport); } + if (val[SFP_EEPROM_1G_COMP_CODE_ADDR] & + SFP_EEPROM_1G_COMP_CODE_BASE_T) { + bnx2x_sfp_set_transmitter(params, phy, 0); + msleep(40); + bnx2x_sfp_set_transmitter(params, phy, 1); + } } else { int idx, cfg_idx = 0; DP(NETIF_MSG_LINK, "10G Optic module detected\n"); @@ -8149,7 +8157,7 @@ static int bnx2x_get_edc_mode(struct bnx2x_phy *phy, break; default: DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n", - val[0]); + val[SFP_EEPROM_CON_TYPE_ADDR]); return -EINVAL; } sync_offset = params->shmem_base + @@ -13507,7 +13515,7 @@ static void bnx2x_check_kr2_wa(struct link_params *params, sigdet = bnx2x_warpcore_get_sigdet(phy, params); if (!sigdet) { - if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) { + if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) { bnx2x_kr2_recovery(params, vars, phy); DP(NETIF_MSG_LINK, "No sigdet\n"); } @@ -13525,7 +13533,7 @@ static void bnx2x_check_kr2_wa(struct link_params *params, /* CL73 has not begun yet */ if (base_page == 0) { - if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) { + if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) { bnx2x_kr2_recovery(params, vars, phy); DP(NETIF_MSG_LINK, "No BP\n"); } @@ -13541,7 +13549,7 @@ static void bnx2x_check_kr2_wa(struct link_params *params, ((next_page & 0xe0) == 0x20)))); /* In case KR2 is already disabled, check if we need to re-enable it */ - if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) { + if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) { if (!not_kr2_device) { DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h index 389f5f8cb0a..d9cce4c3899 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h @@ -323,6 +323,9 @@ struct link_params { #define LINK_FLAGS_INT_DISABLED (1<<0) #define PHY_INITIALIZED (1<<1) u32 lfa_base; + + /* The same definitions as the shmem2 parameter */ + u32 link_attr_sync; }; /* Output parameters */ @@ -364,8 +367,6 @@ struct link_vars { u8 rx_tx_asic_rst; u8 turn_to_run_wc_rt; u16 rsrv2; - /* The same definitions as the shmem2 parameter */ - u32 link_attr_sync; }; /***********************************************************/ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 900cab42081..d1c093dcb05 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -6849,6 +6849,37 @@ static void bnx2x__common_init_phy(struct bnx2x *bp) bnx2x_release_phy_lock(bp); } +static void bnx2x_config_endianity(struct bnx2x *bp, u32 val) +{ + REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, val); + REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, val); + REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, val); + REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, val); + REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, val); + + /* make sure this value is 0 */ + REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0); + + REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, val); + REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, val); + REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, val); + REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, val); +} + +static void bnx2x_set_endianity(struct bnx2x *bp) +{ +#ifdef __BIG_ENDIAN + bnx2x_config_endianity(bp, 1); +#else + bnx2x_config_endianity(bp, 0); +#endif +} + +static void bnx2x_reset_endianity(struct bnx2x *bp) +{ + bnx2x_config_endianity(bp, 0); +} + /** * bnx2x_init_hw_common - initialize the HW at the COMMON phase. * @@ -6915,23 +6946,7 @@ static int bnx2x_init_hw_common(struct bnx2x *bp) bnx2x_init_block(bp, BLOCK_PXP2, PHASE_COMMON); bnx2x_init_pxp(bp); - -#ifdef __BIG_ENDIAN - REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1); - REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1); - REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1); - REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1); - REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1); - /* make sure this value is 0 */ - REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0); - -/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */ - REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1); - REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1); - REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1); - REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1); -#endif - + bnx2x_set_endianity(bp); bnx2x_ilt_init_page_size(bp, INITOP_SET); if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp)) @@ -13169,9 +13184,15 @@ static void __bnx2x_remove(struct pci_dev *pdev, bnx2x_iov_remove_one(bp); /* Power on: we can't let PCI layer write to us while we are in D3 */ - if (IS_PF(bp)) + if (IS_PF(bp)) { bnx2x_set_power_state(bp, PCI_D0); + /* Set endianity registers to reset values in case next driver + * boots in different endianty environment. + */ + bnx2x_reset_endianity(bp); + } + /* Disable MSI/MSI-X */ bnx2x_disable_msi(bp); diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c index 27861a6c7ca..a6a9f284c8d 100644 --- a/drivers/net/ethernet/broadcom/cnic.c +++ b/drivers/net/ethernet/broadcom/cnic.c @@ -31,7 +31,7 @@ #include <linux/if_vlan.h> #include <linux/prefetch.h> #include <linux/random.h> -#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) +#if IS_ENABLED(CONFIG_VLAN_8021Q) #define BCM_VLAN 1 #endif #include <net/ip.h> @@ -3685,7 +3685,7 @@ static int cnic_get_v4_route(struct sockaddr_in *dst_addr, static int cnic_get_v6_route(struct sockaddr_in6 *dst_addr, struct dst_entry **dst) { -#if defined(CONFIG_IPV6) || (defined(CONFIG_IPV6_MODULE) && defined(MODULE)) +#if IS_ENABLED(CONFIG_IPV6) struct flowi6 fl6; memset(&fl6, 0, sizeof(fl6)); diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 3ac5d23454a..cb77ae93d89 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -11617,6 +11617,12 @@ static int tg3_open(struct net_device *dev) struct tg3 *tp = netdev_priv(dev); int err; + if (tp->pcierr_recovery) { + netdev_err(dev, "Failed to open device. PCI error recovery " + "in progress\n"); + return -EAGAIN; + } + if (tp->fw_needed) { err = tg3_request_firmware(tp); if (tg3_asic_rev(tp) == ASIC_REV_57766) { @@ -11674,6 +11680,12 @@ static int tg3_close(struct net_device *dev) { struct tg3 *tp = netdev_priv(dev); + if (tp->pcierr_recovery) { + netdev_err(dev, "Failed to close device. PCI error recovery " + "in progress\n"); + return -EAGAIN; + } + tg3_ptp_fini(tp); tg3_stop(tp); @@ -17561,6 +17573,7 @@ static int tg3_init_one(struct pci_dev *pdev, tp->rx_mode = TG3_DEF_RX_MODE; tp->tx_mode = TG3_DEF_TX_MODE; tp->irq_sync = 1; + tp->pcierr_recovery = false; if (tg3_debug > 0) tp->msg_enable = tg3_debug; @@ -18071,6 +18084,8 @@ static pci_ers_result_t tg3_io_error_detected(struct pci_dev *pdev, rtnl_lock(); + tp->pcierr_recovery = true; + /* We probably don't have netdev yet */ if (!netdev || !netif_running(netdev)) goto done; @@ -18195,6 +18210,7 @@ static void tg3_io_resume(struct pci_dev *pdev) tg3_phy_start(tp); done: + tp->pcierr_recovery = false; rtnl_unlock(); } diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h index 461accaf0aa..31c9f829595 100644 --- a/drivers/net/ethernet/broadcom/tg3.h +++ b/drivers/net/ethernet/broadcom/tg3.h @@ -3407,6 +3407,7 @@ struct tg3 { struct device *hwmon_dev; bool link_up; + bool pcierr_recovery; }; /* Accessor macros for chip and asic attributes diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c index ff8cae5e253..ffc92a41d75 100644 --- a/drivers/net/ethernet/brocade/bna/bnad.c +++ b/drivers/net/ethernet/brocade/bna/bnad.c @@ -2506,7 +2506,7 @@ bnad_tso_prepare(struct bnad *bnad, struct sk_buff *skb) * For TSO, the TCP checksum field is seeded with pseudo-header sum * excluding the length field. */ - if (skb->protocol == htons(ETH_P_IP)) { + if (vlan_get_protocol(skb) == htons(ETH_P_IP)) { struct iphdr *iph = ip_hdr(skb); /* Do we really need these? */ @@ -2870,12 +2870,13 @@ bnad_txq_wi_prepare(struct bnad *bnad, struct bna_tcb *tcb, } if (skb->ip_summed == CHECKSUM_PARTIAL) { + __be16 net_proto = vlan_get_protocol(skb); u8 proto = 0; - if (skb->protocol == htons(ETH_P_IP)) + if (net_proto == htons(ETH_P_IP)) proto = ip_hdr(skb)->protocol; #ifdef NETIF_F_IPV6_CSUM - else if (skb->protocol == htons(ETH_P_IPV6)) { + else if (net_proto == htons(ETH_P_IPV6)) { /* nexthdr may not be TCP immediately. */ proto = ipv6_hdr(skb)->nexthdr; } diff --git a/drivers/net/ethernet/calxeda/Kconfig b/drivers/net/ethernet/calxeda/Kconfig index 184a063bed5..07d2201530d 100644 --- a/drivers/net/ethernet/calxeda/Kconfig +++ b/drivers/net/ethernet/calxeda/Kconfig @@ -1,6 +1,7 @@ config NET_CALXEDA_XGMAC tristate "Calxeda 1G/10G XGMAC Ethernet driver" depends on HAS_IOMEM && HAS_DMA + depends on ARCH_HIGHBANK || COMPILE_TEST select CRC32 help This is the driver for the XGMAC Ethernet IP block found on Calxeda diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 18fb9c61d7b..8c34811a112 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -1253,7 +1253,9 @@ freeout: t4_free_sge_resources(adap); goto freeout; } - t4_write_reg(adap, MPS_TRC_RSS_CONTROL, + t4_write_reg(adap, is_t4(adap->params.chip) ? + MPS_TRC_RSS_CONTROL : + MPS_T5_TRC_RSS_CONTROL, RSSCONTROL(netdev2pinfo(adap->port[0])->tx_chan) | QUEUENUMBER(s->ethrxq[0].rspq.abs_id)); return 0; @@ -1761,7 +1763,8 @@ static void get_regs(struct net_device *dev, struct ethtool_regs *regs, 0xd004, 0xd03c, 0xdfc0, 0xdfe0, 0xe000, 0xea7c, - 0xf000, 0x11190, + 0xf000, 0x11110, + 0x11118, 0x11190, 0x19040, 0x1906c, 0x19078, 0x19080, 0x1908c, 0x19124, @@ -1968,7 +1971,8 @@ static void get_regs(struct net_device *dev, struct ethtool_regs *regs, 0xd004, 0xd03c, 0xdfc0, 0xdfe0, 0xe000, 0x11088, - 0x1109c, 0x1117c, + 0x1109c, 0x11110, + 0x11118, 0x1117c, 0x11190, 0x11204, 0x19040, 0x1906c, 0x19078, 0x19080, @@ -5955,7 +5959,8 @@ static int adap_init0(struct adapter *adap) params[3] = FW_PARAM_PFVF(CQ_END); params[4] = FW_PARAM_PFVF(OCQ_START); params[5] = FW_PARAM_PFVF(OCQ_END); - ret = t4_query_params(adap, 0, 0, 0, 6, params, val); + ret = t4_query_params(adap, adap->mbox, adap->fn, 0, 6, params, + val); if (ret < 0) goto bye; adap->vres.qp.start = val[0]; @@ -5967,7 +5972,8 @@ static int adap_init0(struct adapter *adap) params[0] = FW_PARAM_DEV(MAXORDIRD_QP); params[1] = FW_PARAM_DEV(MAXIRD_ADAPTER); - ret = t4_query_params(adap, 0, 0, 0, 2, params, val); + ret = t4_query_params(adap, adap->mbox, adap->fn, 0, 2, params, + val); if (ret < 0) { adap->params.max_ordird_qp = 8; adap->params.max_ird_adapter = 32 * adap->tids.ntids; diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index a853133d8db..41d04462b72 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -168,6 +168,34 @@ void t4_hw_pci_read_cfg4(struct adapter *adap, int reg, u32 *val) } /* + * t4_report_fw_error - report firmware error + * @adap: the adapter + * + * The adapter firmware can indicate error conditions to the host. + * If the firmware has indicated an error, print out the reason for + * the firmware error. + */ +static void t4_report_fw_error(struct adapter *adap) +{ + static const char *const reason[] = { + "Crash", /* PCIE_FW_EVAL_CRASH */ + "During Device Preparation", /* PCIE_FW_EVAL_PREP */ + "During Device Configuration", /* PCIE_FW_EVAL_CONF */ + "During Device Initialization", /* PCIE_FW_EVAL_INIT */ + "Unexpected Event", /* PCIE_FW_EVAL_UNEXPECTEDEVENT */ + "Insufficient Airflow", /* PCIE_FW_EVAL_OVERHEAT */ + "Device Shutdown", /* PCIE_FW_EVAL_DEVICESHUTDOWN */ + "Reserved", /* reserved */ + }; + u32 pcie_fw; + + pcie_fw = t4_read_reg(adap, MA_PCIE_FW); + if (pcie_fw & FW_PCIE_FW_ERR) + dev_err(adap->pdev_dev, "Firmware reports adapter error: %s\n", + reason[FW_PCIE_FW_EVAL_GET(pcie_fw)]); +} + +/* * Get the reply to a mailbox command and store it in @rpl in big-endian order. */ static void get_mbox_rpl(struct adapter *adap, __be64 *rpl, int nflit, @@ -300,6 +328,7 @@ int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size, dump_mbox(adap, mbox, data_reg); dev_err(adap->pdev_dev, "command %#x in mailbox %d timed out\n", *(const u8 *)cmd, mbox); + t4_report_fw_error(adap); return -ETIMEDOUT; } @@ -566,6 +595,7 @@ int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr, #define VPD_BASE 0x400 #define VPD_BASE_OLD 0 #define VPD_LEN 1024 +#define CHELSIO_VPD_UNIQUE_ID 0x82 /** * t4_seeprom_wp - enable/disable EEPROM write protection @@ -603,7 +633,14 @@ int get_vpd_params(struct adapter *adapter, struct vpd_params *p) ret = pci_read_vpd(adapter->pdev, VPD_BASE, sizeof(u32), vpd); if (ret < 0) goto out; - addr = *vpd == 0x82 ? VPD_BASE : VPD_BASE_OLD; + + /* The VPD shall have a unique identifier specified by the PCI SIG. + * For chelsio adapters, the identifier is 0x82. The first byte of a VPD + * shall be CHELSIO_VPD_UNIQUE_ID (0x82). The VPD programming software + * is expected to automatically put this entry at the + * beginning of the VPD. + */ + addr = *vpd == CHELSIO_VPD_UNIQUE_ID ? VPD_BASE : VPD_BASE_OLD; ret = pci_read_vpd(adapter->pdev, addr, VPD_LEN, vpd); if (ret < 0) @@ -667,6 +704,7 @@ int get_vpd_params(struct adapter *adapter, struct vpd_params *p) i = pci_vpd_info_field_size(vpd + sn - PCI_VPD_INFO_FLD_HDR_SIZE); memcpy(p->sn, vpd + sn, min(i, SERNUM_LEN)); strim(p->sn); + i = pci_vpd_info_field_size(vpd + pn - PCI_VPD_INFO_FLD_HDR_SIZE); memcpy(p->pn, vpd + pn, min(i, PN_LEN)); strim(p->pn); @@ -1394,15 +1432,18 @@ static void pcie_intr_handler(struct adapter *adapter) int fat; - fat = t4_handle_intr_status(adapter, - PCIE_CORE_UTL_SYSTEM_BUS_AGENT_STATUS, - sysbus_intr_info) + - t4_handle_intr_status(adapter, - PCIE_CORE_UTL_PCI_EXPRESS_PORT_STATUS, - pcie_port_intr_info) + - t4_handle_intr_status(adapter, PCIE_INT_CAUSE, - is_t4(adapter->params.chip) ? - pcie_intr_info : t5_pcie_intr_info); + if (is_t4(adapter->params.chip)) + fat = t4_handle_intr_status(adapter, + PCIE_CORE_UTL_SYSTEM_BUS_AGENT_STATUS, + sysbus_intr_info) + + t4_handle_intr_status(adapter, + PCIE_CORE_UTL_PCI_EXPRESS_PORT_STATUS, + pcie_port_intr_info) + + t4_handle_intr_status(adapter, PCIE_INT_CAUSE, + pcie_intr_info); + else + fat = t4_handle_intr_status(adapter, PCIE_INT_CAUSE, + t5_pcie_intr_info); if (fat) t4_fatal_err(adapter); @@ -1521,6 +1562,9 @@ static void cim_intr_handler(struct adapter *adapter) int fat; + if (t4_read_reg(adapter, MA_PCIE_FW) & FW_PCIE_FW_ERR) + t4_report_fw_error(adapter); + fat = t4_handle_intr_status(adapter, CIM_HOST_INT_CAUSE, cim_intr_info) + t4_handle_intr_status(adapter, CIM_HOST_UPACC_INT_CAUSE, @@ -1768,10 +1812,16 @@ static void ma_intr_handler(struct adapter *adap) { u32 v, status = t4_read_reg(adap, MA_INT_CAUSE); - if (status & MEM_PERR_INT_CAUSE) + if (status & MEM_PERR_INT_CAUSE) { dev_alert(adap->pdev_dev, "MA parity error, parity status %#x\n", t4_read_reg(adap, MA_PARITY_ERROR_STATUS)); + if (is_t5(adap->params.chip)) + dev_alert(adap->pdev_dev, + "MA parity error, parity status %#x\n", + t4_read_reg(adap, + MA_PARITY_ERROR_STATUS2)); + } if (status & MEM_WRAP_INT_CAUSE) { v = t4_read_reg(adap, MA_INT_WRAP_STATUS); dev_alert(adap->pdev_dev, "MA address wrap-around error by " @@ -2733,12 +2783,16 @@ retry: /* * Issue the HELLO command to the firmware. If it's not successful * but indicates that we got a "busy" or "timeout" condition, retry - * the HELLO until we exhaust our retry limit. + * the HELLO until we exhaust our retry limit. If we do exceed our + * retry limit, check to see if the firmware left us any error + * information and report that if so. */ ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c); if (ret < 0) { if ((ret == -EBUSY || ret == -ETIMEDOUT) && retries-- > 0) goto retry; + if (t4_read_reg(adap, MA_PCIE_FW) & FW_PCIE_FW_ERR) + t4_report_fw_error(adap); return ret; } @@ -3742,6 +3796,7 @@ int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl) lc->link_ok = link_ok; lc->speed = speed; lc->fc = fc; + lc->supported = be16_to_cpu(p->u.info.pcap); t4_os_link_changed(adap, port, link_ok); } if (mod != pi->mod_type) { diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h index e3146e83df2..39fb325474f 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h @@ -511,6 +511,7 @@ #define MEM_WRAP_CLIENT_NUM_GET(x) (((x) & MEM_WRAP_CLIENT_NUM_MASK) >> MEM_WRAP_CLIENT_NUM_SHIFT) #define MA_PCIE_FW 0x30b8 #define MA_PARITY_ERROR_STATUS 0x77f4 +#define MA_PARITY_ERROR_STATUS2 0x7804 #define MA_EXT_MEMORY1_BAR 0x7808 #define EDC_0_BASE_ADDR 0x7900 @@ -959,6 +960,7 @@ #define TRCMULTIFILTER 0x00000001U #define MPS_TRC_RSS_CONTROL 0x9808 +#define MPS_T5_TRC_RSS_CONTROL 0xa00c #define RSSCONTROL_MASK 0x00ff0000U #define RSSCONTROL_SHIFT 16 #define RSSCONTROL(x) ((x) << RSSCONTROL_SHIFT) diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h index 5f2729ebadb..3409756a85b 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h @@ -2228,6 +2228,10 @@ struct fw_debug_cmd { #define FW_PCIE_FW_MASTER(x) ((x) << FW_PCIE_FW_MASTER_SHIFT) #define FW_PCIE_FW_MASTER_GET(x) (((x) >> FW_PCIE_FW_MASTER_SHIFT) & \ FW_PCIE_FW_MASTER_MASK) +#define FW_PCIE_FW_EVAL_MASK 0x7 +#define FW_PCIE_FW_EVAL_SHIFT 24 +#define FW_PCIE_FW_EVAL_GET(x) (((x) >> FW_PCIE_FW_EVAL_SHIFT) & \ + FW_PCIE_FW_EVAL_MASK) struct fw_hdr { u8 ver; diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c index a0b418e007a..566b17db135 100644 --- a/drivers/net/ethernet/ibm/ehea/ehea_main.c +++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c @@ -1994,7 +1994,7 @@ static void xmit_common(struct sk_buff *skb, struct ehea_swqe *swqe) { swqe->tx_control |= EHEA_SWQE_IMM_DATA_PRESENT | EHEA_SWQE_CRC; - if (skb->protocol != htons(ETH_P_IP)) + if (vlan_get_protocol(skb) != htons(ETH_P_IP)) return; if (skb->ip_summed == CHECKSUM_PARTIAL) diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index cbc330b301c..ad3d5d12173 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -2674,7 +2674,8 @@ set_itr_now: #define E1000_TX_FLAGS_VLAN_SHIFT 16 static int e1000_tso(struct e1000_adapter *adapter, - struct e1000_tx_ring *tx_ring, struct sk_buff *skb) + struct e1000_tx_ring *tx_ring, struct sk_buff *skb, + __be16 protocol) { struct e1000_context_desc *context_desc; struct e1000_buffer *buffer_info; @@ -2692,7 +2693,7 @@ static int e1000_tso(struct e1000_adapter *adapter, hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); mss = skb_shinfo(skb)->gso_size; - if (skb->protocol == htons(ETH_P_IP)) { + if (protocol == htons(ETH_P_IP)) { struct iphdr *iph = ip_hdr(skb); iph->tot_len = 0; iph->check = 0; @@ -2702,7 +2703,7 @@ static int e1000_tso(struct e1000_adapter *adapter, 0); cmd_length = E1000_TXD_CMD_IP; ipcse = skb_transport_offset(skb) - 1; - } else if (skb->protocol == htons(ETH_P_IPV6)) { + } else if (skb_is_gso_v6(skb)) { ipv6_hdr(skb)->payload_len = 0; tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr, @@ -2745,7 +2746,8 @@ static int e1000_tso(struct e1000_adapter *adapter, } static bool e1000_tx_csum(struct e1000_adapter *adapter, - struct e1000_tx_ring *tx_ring, struct sk_buff *skb) + struct e1000_tx_ring *tx_ring, struct sk_buff *skb, + __be16 protocol) { struct e1000_context_desc *context_desc; struct e1000_buffer *buffer_info; @@ -2756,7 +2758,7 @@ static bool e1000_tx_csum(struct e1000_adapter *adapter, if (skb->ip_summed != CHECKSUM_PARTIAL) return false; - switch (skb->protocol) { + switch (protocol) { case cpu_to_be16(ETH_P_IP): if (ip_hdr(skb)->protocol == IPPROTO_TCP) cmd_len |= E1000_TXD_CMD_TCP; @@ -3097,6 +3099,7 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, int count = 0; int tso; unsigned int f; + __be16 protocol = vlan_get_protocol(skb); /* This goes back to the question of how to logically map a Tx queue * to a flow. Right now, performance is impacted slightly negatively @@ -3210,7 +3213,7 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, first = tx_ring->next_to_use; - tso = e1000_tso(adapter, tx_ring, skb); + tso = e1000_tso(adapter, tx_ring, skb, protocol); if (tso < 0) { dev_kfree_skb_any(skb); return NETDEV_TX_OK; @@ -3220,10 +3223,10 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, if (likely(hw->mac_type != e1000_82544)) tx_ring->last_tx_tso = true; tx_flags |= E1000_TX_FLAGS_TSO; - } else if (likely(e1000_tx_csum(adapter, tx_ring, skb))) + } else if (likely(e1000_tx_csum(adapter, tx_ring, skb, protocol))) tx_flags |= E1000_TX_FLAGS_CSUM; - if (likely(skb->protocol == htons(ETH_P_IP))) + if (protocol == htons(ETH_P_IP)) tx_flags |= E1000_TX_FLAGS_IPV4; if (unlikely(skb->no_fcs)) diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 65c3aef2bd3..247335d2c7e 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -5164,7 +5164,8 @@ link_up: #define E1000_TX_FLAGS_VLAN_MASK 0xffff0000 #define E1000_TX_FLAGS_VLAN_SHIFT 16 -static int e1000_tso(struct e1000_ring *tx_ring, struct sk_buff *skb) +static int e1000_tso(struct e1000_ring *tx_ring, struct sk_buff *skb, + __be16 protocol) { struct e1000_context_desc *context_desc; struct e1000_buffer *buffer_info; @@ -5183,7 +5184,7 @@ static int e1000_tso(struct e1000_ring *tx_ring, struct sk_buff *skb) hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); mss = skb_shinfo(skb)->gso_size; - if (skb->protocol == htons(ETH_P_IP)) { + if (protocol == htons(ETH_P_IP)) { struct iphdr *iph = ip_hdr(skb); iph->tot_len = 0; iph->check = 0; @@ -5231,7 +5232,8 @@ static int e1000_tso(struct e1000_ring *tx_ring, struct sk_buff *skb) return 1; } -static bool e1000_tx_csum(struct e1000_ring *tx_ring, struct sk_buff *skb) +static bool e1000_tx_csum(struct e1000_ring *tx_ring, struct sk_buff *skb, + __be16 protocol) { struct e1000_adapter *adapter = tx_ring->adapter; struct e1000_context_desc *context_desc; @@ -5239,16 +5241,10 @@ static bool e1000_tx_csum(struct e1000_ring *tx_ring, struct sk_buff *skb) unsigned int i; u8 css; u32 cmd_len = E1000_TXD_CMD_DEXT; - __be16 protocol; if (skb->ip_summed != CHECKSUM_PARTIAL) return false; - if (skb->protocol == cpu_to_be16(ETH_P_8021Q)) - protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto; - else - protocol = skb->protocol; - switch (protocol) { case cpu_to_be16(ETH_P_IP): if (ip_hdr(skb)->protocol == IPPROTO_TCP) @@ -5546,6 +5542,7 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, int count = 0; int tso; unsigned int f; + __be16 protocol = vlan_get_protocol(skb); if (test_bit(__E1000_DOWN, &adapter->state)) { dev_kfree_skb_any(skb); @@ -5620,7 +5617,7 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, first = tx_ring->next_to_use; - tso = e1000_tso(tx_ring, skb); + tso = e1000_tso(tx_ring, skb, protocol); if (tso < 0) { dev_kfree_skb_any(skb); return NETDEV_TX_OK; @@ -5628,14 +5625,14 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, if (tso) tx_flags |= E1000_TX_FLAGS_TSO; - else if (e1000_tx_csum(tx_ring, skb)) + else if (e1000_tx_csum(tx_ring, skb, protocol)) tx_flags |= E1000_TX_FLAGS_CSUM; /* Old method was to assume IPv4 packet by default if TSO was enabled. * 82571 hardware supports TSO capabilities for IPv6 as well... * no longer assume, we must. */ - if (skb->protocol == htons(ETH_P_IP)) + if (protocol == htons(ETH_P_IP)) tx_flags |= E1000_TX_FLAGS_IPV4; if (unlikely(skb->no_fcs)) diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index a51aa37b7b5..369848e107f 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -2295,7 +2295,7 @@ static netdev_tx_t i40e_xmit_frame_ring(struct sk_buff *skb, goto out_drop; /* obtain protocol of skb */ - protocol = skb->protocol; + protocol = vlan_get_protocol(skb); /* record the location of the first descriptor for this packet */ first = &tx_ring->tx_bi[tx_ring->next_to_use]; diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c index 79bf96ca648..95a3ec236b4 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c @@ -1597,7 +1597,7 @@ static netdev_tx_t i40e_xmit_frame_ring(struct sk_buff *skb, goto out_drop; /* obtain protocol of skb */ - protocol = skb->protocol; + protocol = vlan_get_protocol(skb); /* record the location of the first descriptor for this packet */ first = &tx_ring->tx_bi[tx_ring->next_to_use]; diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index c9f1d1b7ef3..ade067de168 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -20,6 +20,7 @@ #include <linux/mbus.h> #include <linux/module.h> #include <linux/interrupt.h> +#include <linux/if_vlan.h> #include <net/ip.h> #include <net/ipv6.h> #include <linux/io.h> @@ -1371,15 +1372,16 @@ static u32 mvneta_skb_tx_csum(struct mvneta_port *pp, struct sk_buff *skb) { if (skb->ip_summed == CHECKSUM_PARTIAL) { int ip_hdr_len = 0; + __be16 l3_proto = vlan_get_protocol(skb); u8 l4_proto; - if (skb->protocol == htons(ETH_P_IP)) { + if (l3_proto == htons(ETH_P_IP)) { struct iphdr *ip4h = ip_hdr(skb); /* Calculate IPv4 checksum and L4 checksum */ ip_hdr_len = ip4h->ihl; l4_proto = ip4h->protocol; - } else if (skb->protocol == htons(ETH_P_IPV6)) { + } else if (l3_proto == htons(ETH_P_IPV6)) { struct ipv6hdr *ip6h = ipv6_hdr(skb); /* Read l4_protocol from one of IPv6 extra headers */ @@ -1390,7 +1392,7 @@ static u32 mvneta_skb_tx_csum(struct mvneta_port *pp, struct sk_buff *skb) return MVNETA_TX_L4_CSUM_NOT; return mvneta_txq_desc_csum(skb_network_offset(skb), - skb->protocol, ip_hdr_len, l4_proto); + l3_proto, ip_hdr_len, l4_proto); } return MVNETA_TX_L4_CSUM_NOT; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index bb536aa613f..abddcf8c40a 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -474,39 +474,12 @@ static int mlx4_en_tunnel_steer_add(struct mlx4_en_priv *priv, unsigned char *ad int qpn, u64 *reg_id) { int err; - struct mlx4_spec_list spec_eth_outer = { {NULL} }; - struct mlx4_spec_list spec_vxlan = { {NULL} }; - struct mlx4_spec_list spec_eth_inner = { {NULL} }; - - struct mlx4_net_trans_rule rule = { - .queue_mode = MLX4_NET_TRANS_Q_FIFO, - .exclusive = 0, - .allow_loopback = 1, - .promisc_mode = MLX4_FS_REGULAR, - .priority = MLX4_DOMAIN_NIC, - }; - - __be64 mac_mask = cpu_to_be64(MLX4_MAC_MASK << 16); if (priv->mdev->dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) return 0; /* do nothing */ - rule.port = priv->port; - rule.qpn = qpn; - INIT_LIST_HEAD(&rule.list); - - spec_eth_outer.id = MLX4_NET_TRANS_RULE_ID_ETH; - memcpy(spec_eth_outer.eth.dst_mac, addr, ETH_ALEN); - memcpy(spec_eth_outer.eth.dst_mac_msk, &mac_mask, ETH_ALEN); - - spec_vxlan.id = MLX4_NET_TRANS_RULE_ID_VXLAN; /* any vxlan header */ - spec_eth_inner.id = MLX4_NET_TRANS_RULE_ID_ETH; /* any inner eth header */ - - list_add_tail(&spec_eth_outer.list, &rule.list); - list_add_tail(&spec_vxlan.list, &rule.list); - list_add_tail(&spec_eth_inner.list, &rule.list); - - err = mlx4_flow_attach(priv->mdev->dev, &rule, reg_id); + err = mlx4_tunnel_steer_add(priv->mdev->dev, addr, priv->port, qpn, + MLX4_DOMAIN_NIC, reg_id); if (err) { en_err(priv, "failed to add vxlan steering rule, err %d\n", err); return err; diff --git a/drivers/net/ethernet/mellanox/mlx4/mcg.c b/drivers/net/ethernet/mellanox/mlx4/mcg.c index d80e7a6fac7..ca0f98c9510 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mcg.c +++ b/drivers/net/ethernet/mellanox/mlx4/mcg.c @@ -1020,6 +1020,44 @@ int mlx4_flow_detach(struct mlx4_dev *dev, u64 reg_id) } EXPORT_SYMBOL_GPL(mlx4_flow_detach); +int mlx4_tunnel_steer_add(struct mlx4_dev *dev, unsigned char *addr, + int port, int qpn, u16 prio, u64 *reg_id) +{ + int err; + struct mlx4_spec_list spec_eth_outer = { {NULL} }; + struct mlx4_spec_list spec_vxlan = { {NULL} }; + struct mlx4_spec_list spec_eth_inner = { {NULL} }; + + struct mlx4_net_trans_rule rule = { + .queue_mode = MLX4_NET_TRANS_Q_FIFO, + .exclusive = 0, + .allow_loopback = 1, + .promisc_mode = MLX4_FS_REGULAR, + }; + + __be64 mac_mask = cpu_to_be64(MLX4_MAC_MASK << 16); + + rule.port = port; + rule.qpn = qpn; + rule.priority = prio; + INIT_LIST_HEAD(&rule.list); + + spec_eth_outer.id = MLX4_NET_TRANS_RULE_ID_ETH; + memcpy(spec_eth_outer.eth.dst_mac, addr, ETH_ALEN); + memcpy(spec_eth_outer.eth.dst_mac_msk, &mac_mask, ETH_ALEN); + + spec_vxlan.id = MLX4_NET_TRANS_RULE_ID_VXLAN; /* any vxlan header */ + spec_eth_inner.id = MLX4_NET_TRANS_RULE_ID_ETH; /* any inner eth header */ + + list_add_tail(&spec_eth_outer.list, &rule.list); + list_add_tail(&spec_vxlan.list, &rule.list); + list_add_tail(&spec_eth_inner.list, &rule.list); + + err = mlx4_flow_attach(dev, &rule, reg_id); + return err; +} +EXPORT_SYMBOL(mlx4_tunnel_steer_add); + int mlx4_FLOW_STEERING_IB_UC_QP_RANGE(struct mlx4_dev *dev, u32 min_range_qpn, u32 max_range_qpn) { diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c index 5020fd47825..2f12c88c66a 100644 --- a/drivers/net/ethernet/moxa/moxart_ether.c +++ b/drivers/net/ethernet/moxa/moxart_ether.c @@ -206,7 +206,7 @@ static int moxart_rx_poll(struct napi_struct *napi, int budget) int rx_head = priv->rx_head; int rx = 0; - while (1) { + while (rx < budget) { desc = priv->rx_desc_base + (RX_REG_DESC_SIZE * rx_head); desc0 = readl(desc + RX_REG_OFFSET_DESC0); @@ -218,7 +218,7 @@ static int moxart_rx_poll(struct napi_struct *napi, int budget) net_dbg_ratelimited("packet error\n"); priv->stats.rx_dropped++; priv->stats.rx_errors++; - continue; + goto rx_next; } len = desc0 & RX_DESC0_FRAME_LEN_MASK; @@ -226,13 +226,19 @@ static int moxart_rx_poll(struct napi_struct *napi, int budget) if (len > RX_BUF_SIZE) len = RX_BUF_SIZE; - skb = build_skb(priv->rx_buf[rx_head], priv->rx_buf_size); + dma_sync_single_for_cpu(&ndev->dev, + priv->rx_mapping[rx_head], + priv->rx_buf_size, DMA_FROM_DEVICE); + skb = netdev_alloc_skb_ip_align(ndev, len); + if (unlikely(!skb)) { - net_dbg_ratelimited("build_skb failed\n"); + net_dbg_ratelimited("netdev_alloc_skb_ip_align failed\n"); priv->stats.rx_dropped++; priv->stats.rx_errors++; + goto rx_next; } + memcpy(skb->data, priv->rx_buf[rx_head], len); skb_put(skb, len); skb->protocol = eth_type_trans(skb, ndev); napi_gro_receive(&priv->napi, skb); @@ -244,18 +250,15 @@ static int moxart_rx_poll(struct napi_struct *napi, int budget) if (desc0 & RX_DESC0_MULTICAST) priv->stats.multicast++; +rx_next: writel(RX_DESC0_DMA_OWN, desc + RX_REG_OFFSET_DESC0); rx_head = RX_NEXT(rx_head); priv->rx_head = rx_head; - - if (rx >= budget) - break; } if (rx < budget) { - napi_gro_flush(napi, false); - __napi_complete(napi); + napi_complete(napi); } priv->reg_imr |= RPKT_FINISH_M; @@ -346,10 +349,12 @@ static int moxart_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev) len = ETH_ZLEN; } - txdes1 = readl(desc + TX_REG_OFFSET_DESC1); - txdes1 |= TX_DESC1_LTS | TX_DESC1_FTS; - txdes1 &= ~(TX_DESC1_FIFO_COMPLETE | TX_DESC1_INTR_COMPLETE); - txdes1 |= (len & TX_DESC1_BUF_SIZE_MASK); + dma_sync_single_for_device(&ndev->dev, priv->tx_mapping[tx_head], + priv->tx_buf_size, DMA_TO_DEVICE); + + txdes1 = TX_DESC1_LTS | TX_DESC1_FTS | (len & TX_DESC1_BUF_SIZE_MASK); + if (tx_head == TX_DESC_NUM_MASK) + txdes1 |= TX_DESC1_END; writel(txdes1, desc + TX_REG_OFFSET_DESC1); writel(TX_DESC0_DMA_OWN, desc + TX_REG_OFFSET_DESC0); @@ -465,8 +470,7 @@ static int moxart_mac_probe(struct platform_device *pdev) spin_lock_init(&priv->txlock); priv->tx_buf_size = TX_BUF_SIZE; - priv->rx_buf_size = RX_BUF_SIZE + - SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); + priv->rx_buf_size = RX_BUF_SIZE; priv->tx_desc_base = dma_alloc_coherent(NULL, TX_REG_DESC_SIZE * TX_DESC_NUM, &priv->tx_base, diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c index 8706c0dbd0c..a44a03c4501 100644 --- a/drivers/net/ethernet/nxp/lpc_eth.c +++ b/drivers/net/ethernet/nxp/lpc_eth.c @@ -1220,6 +1220,9 @@ static int lpc_eth_open(struct net_device *ndev) __lpc_eth_clock_enable(pldat, true); + /* Suspended PHY makes LPC ethernet core block, so resume now */ + phy_resume(pldat->phy_dev); + /* Reset and initialize */ __lpc_eth_reset(pldat); __lpc_eth_init(pldat); diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c index 188626e2a86..3e96f269150 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c @@ -2556,6 +2556,7 @@ static int ql_tso(struct sk_buff *skb, struct ob_mac_tso_iocb_req *mac_iocb_ptr) if (skb_is_gso(skb)) { int err; + __be16 l3_proto = vlan_get_protocol(skb); err = skb_cow_head(skb, 0); if (err < 0) @@ -2572,7 +2573,7 @@ static int ql_tso(struct sk_buff *skb, struct ob_mac_tso_iocb_req *mac_iocb_ptr) << OB_MAC_TRANSPORT_HDR_SHIFT); mac_iocb_ptr->mss = cpu_to_le16(skb_shinfo(skb)->gso_size); mac_iocb_ptr->flags2 |= OB_MAC_TSO_IOCB_LSO; - if (likely(skb->protocol == htons(ETH_P_IP))) { + if (likely(l3_proto == htons(ETH_P_IP))) { struct iphdr *iph = ip_hdr(skb); iph->check = 0; mac_iocb_ptr->flags1 |= OB_MAC_TSO_IOCB_IP4; @@ -2580,7 +2581,7 @@ static int ql_tso(struct sk_buff *skb, struct ob_mac_tso_iocb_req *mac_iocb_ptr) iph->daddr, 0, IPPROTO_TCP, 0); - } else if (skb->protocol == htons(ETH_P_IPV6)) { + } else if (l3_proto == htons(ETH_P_IPV6)) { mac_iocb_ptr->flags1 |= OB_MAC_TSO_IOCB_IP6; tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr, diff --git a/drivers/net/ethernet/renesas/Kconfig b/drivers/net/ethernet/renesas/Kconfig index 9e757c792d8..196e98a2d93 100644 --- a/drivers/net/ethernet/renesas/Kconfig +++ b/drivers/net/ethernet/renesas/Kconfig @@ -5,6 +5,7 @@ config SH_ETH tristate "Renesas SuperH Ethernet support" depends on HAS_DMA + depends on ARCH_SHMOBILE || SUPERH || COMPILE_TEST select CRC32 select MII select MDIO_BITBANG diff --git a/drivers/net/ethernet/stmicro/stmmac/chain_mode.c b/drivers/net/ethernet/stmicro/stmmac/chain_mode.c index c553f6b5a91..cf28daba434 100644 --- a/drivers/net/ethernet/stmicro/stmmac/chain_mode.c +++ b/drivers/net/ethernet/stmicro/stmmac/chain_mode.c @@ -28,7 +28,7 @@ #include "stmmac.h" -static unsigned int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) +static int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) { struct stmmac_priv *priv = (struct stmmac_priv *)p; unsigned int txsize = priv->dma_tx_size; @@ -47,7 +47,9 @@ static unsigned int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) desc->des2 = dma_map_single(priv->device, skb->data, bmax, DMA_TO_DEVICE); - priv->tx_skbuff_dma[entry] = desc->des2; + if (dma_mapping_error(priv->device, desc->des2)) + return -1; + priv->tx_skbuff_dma[entry].buf = desc->des2; priv->hw->desc->prepare_tx_desc(desc, 1, bmax, csum, STMMAC_CHAIN_MODE); while (len != 0) { @@ -59,7 +61,9 @@ static unsigned int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) desc->des2 = dma_map_single(priv->device, (skb->data + bmax * i), bmax, DMA_TO_DEVICE); - priv->tx_skbuff_dma[entry] = desc->des2; + if (dma_mapping_error(priv->device, desc->des2)) + return -1; + priv->tx_skbuff_dma[entry].buf = desc->des2; priv->hw->desc->prepare_tx_desc(desc, 0, bmax, csum, STMMAC_CHAIN_MODE); priv->hw->desc->set_tx_owner(desc); @@ -69,7 +73,9 @@ static unsigned int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) desc->des2 = dma_map_single(priv->device, (skb->data + bmax * i), len, DMA_TO_DEVICE); - priv->tx_skbuff_dma[entry] = desc->des2; + if (dma_mapping_error(priv->device, desc->des2)) + return -1; + priv->tx_skbuff_dma[entry].buf = desc->des2; priv->hw->desc->prepare_tx_desc(desc, 0, len, csum, STMMAC_CHAIN_MODE); priv->hw->desc->set_tx_owner(desc); diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index de507c32036..593e6c4144a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -220,10 +220,10 @@ enum dma_irq_status { handle_tx = 0x8, }; -#define CORE_IRQ_TX_PATH_IN_LPI_MODE (1 << 1) -#define CORE_IRQ_TX_PATH_EXIT_LPI_MODE (1 << 2) -#define CORE_IRQ_RX_PATH_IN_LPI_MODE (1 << 3) -#define CORE_IRQ_RX_PATH_EXIT_LPI_MODE (1 << 4) +#define CORE_IRQ_TX_PATH_IN_LPI_MODE (1 << 0) +#define CORE_IRQ_TX_PATH_EXIT_LPI_MODE (1 << 1) +#define CORE_IRQ_RX_PATH_IN_LPI_MODE (1 << 2) +#define CORE_IRQ_RX_PATH_EXIT_LPI_MODE (1 << 3) #define CORE_PCS_ANE_COMPLETE (1 << 5) #define CORE_PCS_LINK_STATUS (1 << 6) @@ -287,7 +287,7 @@ struct dma_features { /* Default LPI timers */ #define STMMAC_DEFAULT_LIT_LS 0x3E8 -#define STMMAC_DEFAULT_TWT_LS 0x0 +#define STMMAC_DEFAULT_TWT_LS 0x1E #define STMMAC_CHAIN_MODE 0x1 #define STMMAC_RING_MODE 0x2 @@ -425,7 +425,7 @@ struct stmmac_mode_ops { void (*init) (void *des, dma_addr_t phy_addr, unsigned int size, unsigned int extend_desc); unsigned int (*is_jumbo_frm) (int len, int ehn_desc); - unsigned int (*jumbo_frm) (void *priv, struct sk_buff *skb, int csum); + int (*jumbo_frm)(void *priv, struct sk_buff *skb, int csum); int (*set_16kib_bfsize)(int mtu); void (*init_desc3)(struct dma_desc *p); void (*refill_desc3) (void *priv, struct dma_desc *p); @@ -445,6 +445,7 @@ struct mac_device_info { int multicast_filter_bins; int unicast_filter_entries; int mcast_bits_log2; + unsigned int rx_csum; }; struct mac_device_info *dwmac1000_setup(void __iomem *ioaddr, int mcbins, diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h b/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h index 71b5419256c..64d8f56a9c1 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h @@ -153,7 +153,7 @@ enum inter_frame_gap { #define GMAC_CONTROL_RE 0x00000004 /* Receiver Enable */ #define GMAC_CORE_INIT (GMAC_CONTROL_JD | GMAC_CONTROL_PS | GMAC_CONTROL_ACS | \ - GMAC_CONTROL_BE) + GMAC_CONTROL_BE | GMAC_CONTROL_DCRS) /* GMAC Frame Filter defines */ #define GMAC_FRAME_FILTER_PR 0x00000001 /* Promiscuous Mode */ diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c index d8ef18786a1..5efe60ea652 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c @@ -58,7 +58,11 @@ static int dwmac1000_rx_ipc_enable(struct mac_device_info *hw) void __iomem *ioaddr = hw->pcsr; u32 value = readl(ioaddr + GMAC_CONTROL); - value |= GMAC_CONTROL_IPC; + if (hw->rx_csum) + value |= GMAC_CONTROL_IPC; + else + value &= ~GMAC_CONTROL_IPC; + writel(value, ioaddr + GMAC_CONTROL); value = readl(ioaddr + GMAC_CONTROL); diff --git a/drivers/net/ethernet/stmicro/stmmac/mmc.h b/drivers/net/ethernet/stmicro/stmmac/mmc.h index 8607488cbcf..192c2491330 100644 --- a/drivers/net/ethernet/stmicro/stmmac/mmc.h +++ b/drivers/net/ethernet/stmicro/stmmac/mmc.h @@ -68,7 +68,7 @@ struct stmmac_counters { unsigned int mmc_rx_octetcount_g; unsigned int mmc_rx_broadcastframe_g; unsigned int mmc_rx_multicastframe_g; - unsigned int mmc_rx_crc_errror; + unsigned int mmc_rx_crc_error; unsigned int mmc_rx_align_error; unsigned int mmc_rx_run_error; unsigned int mmc_rx_jabber_error; diff --git a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c index 50617c5a0bd..08c483bd2ec 100644 --- a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c @@ -196,7 +196,7 @@ void dwmac_mmc_read(void __iomem *ioaddr, struct stmmac_counters *mmc) mmc->mmc_rx_octetcount_g += readl(ioaddr + MMC_RX_OCTETCOUNT_G); mmc->mmc_rx_broadcastframe_g += readl(ioaddr + MMC_RX_BROADCASTFRAME_G); mmc->mmc_rx_multicastframe_g += readl(ioaddr + MMC_RX_MULTICASTFRAME_G); - mmc->mmc_rx_crc_errror += readl(ioaddr + MMC_RX_CRC_ERRROR); + mmc->mmc_rx_crc_error += readl(ioaddr + MMC_RX_CRC_ERRROR); mmc->mmc_rx_align_error += readl(ioaddr + MMC_RX_ALIGN_ERROR); mmc->mmc_rx_run_error += readl(ioaddr + MMC_RX_RUN_ERROR); mmc->mmc_rx_jabber_error += readl(ioaddr + MMC_RX_JABBER_ERROR); diff --git a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c index 650a4be6bce..5dd50c6cda5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c +++ b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c @@ -28,7 +28,7 @@ #include "stmmac.h" -static unsigned int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) +static int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) { struct stmmac_priv *priv = (struct stmmac_priv *)p; unsigned int txsize = priv->dma_tx_size; @@ -53,7 +53,10 @@ static unsigned int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) desc->des2 = dma_map_single(priv->device, skb->data, bmax, DMA_TO_DEVICE); - priv->tx_skbuff_dma[entry] = desc->des2; + if (dma_mapping_error(priv->device, desc->des2)) + return -1; + + priv->tx_skbuff_dma[entry].buf = desc->des2; desc->des3 = desc->des2 + BUF_SIZE_4KiB; priv->hw->desc->prepare_tx_desc(desc, 1, bmax, csum, STMMAC_RING_MODE); @@ -68,7 +71,9 @@ static unsigned int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) desc->des2 = dma_map_single(priv->device, skb->data + bmax, len, DMA_TO_DEVICE); - priv->tx_skbuff_dma[entry] = desc->des2; + if (dma_mapping_error(priv->device, desc->des2)) + return -1; + priv->tx_skbuff_dma[entry].buf = desc->des2; desc->des3 = desc->des2 + BUF_SIZE_4KiB; priv->hw->desc->prepare_tx_desc(desc, 0, len, csum, STMMAC_RING_MODE); @@ -77,7 +82,9 @@ static unsigned int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) } else { desc->des2 = dma_map_single(priv->device, skb->data, nopaged_len, DMA_TO_DEVICE); - priv->tx_skbuff_dma[entry] = desc->des2; + if (dma_mapping_error(priv->device, desc->des2)) + return -1; + priv->tx_skbuff_dma[entry].buf = desc->des2; desc->des3 = desc->des2 + BUF_SIZE_4KiB; priv->hw->desc->prepare_tx_desc(desc, 1, nopaged_len, csum, STMMAC_RING_MODE); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h index ca01035634a..58097c0e2ad 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h @@ -34,6 +34,11 @@ #include <linux/ptp_clock_kernel.h> #include <linux/reset.h> +struct stmmac_tx_info { + dma_addr_t buf; + bool map_as_page; +}; + struct stmmac_priv { /* Frequently used values are kept adjacent for cache effect */ struct dma_extended_desc *dma_etx ____cacheline_aligned_in_smp; @@ -45,7 +50,7 @@ struct stmmac_priv { u32 tx_count_frames; u32 tx_coal_frames; u32 tx_coal_timer; - dma_addr_t *tx_skbuff_dma; + struct stmmac_tx_info *tx_skbuff_dma; dma_addr_t dma_tx_phy; int tx_coalesce; int hwts_tx_en; @@ -105,6 +110,8 @@ struct stmmac_priv { struct ptp_clock *ptp_clock; struct ptp_clock_info ptp_clock_ops; unsigned int default_addend; + struct clk *clk_ptp_ref; + unsigned int clk_ptp_rate; u32 adv_ts; int use_riwt; int irq_wake; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c index 9af50bae4dd..cf4f38db1c0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c @@ -175,7 +175,7 @@ static const struct stmmac_stats stmmac_mmc[] = { STMMAC_MMC_STAT(mmc_rx_octetcount_g), STMMAC_MMC_STAT(mmc_rx_broadcastframe_g), STMMAC_MMC_STAT(mmc_rx_multicastframe_g), - STMMAC_MMC_STAT(mmc_rx_crc_errror), + STMMAC_MMC_STAT(mmc_rx_crc_error), STMMAC_MMC_STAT(mmc_rx_align_error), STMMAC_MMC_STAT(mmc_rx_run_error), STMMAC_MMC_STAT(mmc_rx_jabber_error), diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 08addd65372..6e6ee226de0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -275,6 +275,7 @@ static void stmmac_eee_ctrl_timer(unsigned long arg) */ bool stmmac_eee_init(struct stmmac_priv *priv) { + char *phy_bus_name = priv->plat->phy_bus_name; bool ret = false; /* Using PCS we cannot dial with the phy registers at this stage @@ -284,6 +285,10 @@ bool stmmac_eee_init(struct stmmac_priv *priv) (priv->pcs == STMMAC_PCS_RTBI)) goto out; + /* Never init EEE in case of a switch is attached */ + if (phy_bus_name && (!strcmp(phy_bus_name, "fixed"))) + goto out; + /* MAC core supports the EEE feature. */ if (priv->dma_cap.eee) { int tx_lpi_timer = priv->tx_lpi_timer; @@ -316,10 +321,9 @@ bool stmmac_eee_init(struct stmmac_priv *priv) priv->hw->mac->set_eee_timer(priv->hw, STMMAC_DEFAULT_LIT_LS, tx_lpi_timer); - } else - /* Set HW EEE according to the speed */ - priv->hw->mac->set_eee_pls(priv->hw, - priv->phydev->link); + } + /* Set HW EEE according to the speed */ + priv->hw->mac->set_eee_pls(priv->hw, priv->phydev->link); pr_debug("stmmac: Energy-Efficient Ethernet initialized\n"); @@ -603,16 +607,16 @@ static int stmmac_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr) /* calculate default added value: * formula is : * addend = (2^32)/freq_div_ratio; - * where, freq_div_ratio = STMMAC_SYSCLOCK/50MHz - * hence, addend = ((2^32) * 50MHz)/STMMAC_SYSCLOCK; - * NOTE: STMMAC_SYSCLOCK should be >= 50MHz to + * where, freq_div_ratio = clk_ptp_ref_i/50MHz + * hence, addend = ((2^32) * 50MHz)/clk_ptp_ref_i; + * NOTE: clk_ptp_ref_i should be >= 50MHz to * achive 20ns accuracy. * * 2^x * y == (y << x), hence * 2^32 * 50000000 ==> (50000000 << 32) */ temp = (u64) (50000000ULL << 32); - priv->default_addend = div_u64(temp, STMMAC_SYSCLOCK); + priv->default_addend = div_u64(temp, priv->clk_ptp_rate); priv->hw->ptp->config_addend(priv->ioaddr, priv->default_addend); @@ -638,6 +642,16 @@ static int stmmac_init_ptp(struct stmmac_priv *priv) if (!(priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp)) return -EOPNOTSUPP; + /* Fall-back to main clock in case of no PTP ref is passed */ + priv->clk_ptp_ref = devm_clk_get(priv->device, "clk_ptp_ref"); + if (IS_ERR(priv->clk_ptp_ref)) { + priv->clk_ptp_rate = clk_get_rate(priv->stmmac_clk); + priv->clk_ptp_ref = NULL; + } else { + clk_prepare_enable(priv->clk_ptp_ref); + priv->clk_ptp_rate = clk_get_rate(priv->clk_ptp_ref); + } + priv->adv_ts = 0; if (priv->dma_cap.atime_stamp && priv->extend_desc) priv->adv_ts = 1; @@ -657,6 +671,8 @@ static int stmmac_init_ptp(struct stmmac_priv *priv) static void stmmac_release_ptp(struct stmmac_priv *priv) { + if (priv->clk_ptp_ref) + clk_disable_unprepare(priv->clk_ptp_ref); stmmac_ptp_unregister(priv); } @@ -1061,7 +1077,8 @@ static int init_dma_desc_rings(struct net_device *dev) else p = priv->dma_tx + i; p->des2 = 0; - priv->tx_skbuff_dma[i] = 0; + priv->tx_skbuff_dma[i].buf = 0; + priv->tx_skbuff_dma[i].map_as_page = false; priv->tx_skbuff[i] = NULL; } @@ -1100,17 +1117,24 @@ static void dma_free_tx_skbufs(struct stmmac_priv *priv) else p = priv->dma_tx + i; - if (priv->tx_skbuff_dma[i]) { - dma_unmap_single(priv->device, - priv->tx_skbuff_dma[i], - priv->hw->desc->get_tx_len(p), - DMA_TO_DEVICE); - priv->tx_skbuff_dma[i] = 0; + if (priv->tx_skbuff_dma[i].buf) { + if (priv->tx_skbuff_dma[i].map_as_page) + dma_unmap_page(priv->device, + priv->tx_skbuff_dma[i].buf, + priv->hw->desc->get_tx_len(p), + DMA_TO_DEVICE); + else + dma_unmap_single(priv->device, + priv->tx_skbuff_dma[i].buf, + priv->hw->desc->get_tx_len(p), + DMA_TO_DEVICE); } if (priv->tx_skbuff[i] != NULL) { dev_kfree_skb_any(priv->tx_skbuff[i]); priv->tx_skbuff[i] = NULL; + priv->tx_skbuff_dma[i].buf = 0; + priv->tx_skbuff_dma[i].map_as_page = false; } } } @@ -1131,7 +1155,8 @@ static int alloc_dma_desc_resources(struct stmmac_priv *priv) if (!priv->rx_skbuff) goto err_rx_skbuff; - priv->tx_skbuff_dma = kmalloc_array(txsize, sizeof(dma_addr_t), + priv->tx_skbuff_dma = kmalloc_array(txsize, + sizeof(*priv->tx_skbuff_dma), GFP_KERNEL); if (!priv->tx_skbuff_dma) goto err_tx_skbuff_dma; @@ -1293,12 +1318,19 @@ static void stmmac_tx_clean(struct stmmac_priv *priv) pr_debug("%s: curr %d, dirty %d\n", __func__, priv->cur_tx, priv->dirty_tx); - if (likely(priv->tx_skbuff_dma[entry])) { - dma_unmap_single(priv->device, - priv->tx_skbuff_dma[entry], - priv->hw->desc->get_tx_len(p), - DMA_TO_DEVICE); - priv->tx_skbuff_dma[entry] = 0; + if (likely(priv->tx_skbuff_dma[entry].buf)) { + if (priv->tx_skbuff_dma[entry].map_as_page) + dma_unmap_page(priv->device, + priv->tx_skbuff_dma[entry].buf, + priv->hw->desc->get_tx_len(p), + DMA_TO_DEVICE); + else + dma_unmap_single(priv->device, + priv->tx_skbuff_dma[entry].buf, + priv->hw->desc->get_tx_len(p), + DMA_TO_DEVICE); + priv->tx_skbuff_dma[entry].buf = 0; + priv->tx_skbuff_dma[entry].map_as_page = false; } priv->hw->mode->clean_desc3(priv, p); @@ -1637,6 +1669,13 @@ static int stmmac_hw_setup(struct net_device *dev) /* Initialize the MAC Core */ priv->hw->mac->core_init(priv->hw, dev->mtu); + ret = priv->hw->mac->rx_ipc(priv->hw); + if (!ret) { + pr_warn(" RX IPC Checksum Offload disabled\n"); + priv->plat->rx_coe = STMMAC_RX_COE_NONE; + priv->hw->rx_csum = 0; + } + /* Enable the MAC Rx/Tx */ stmmac_set_mac(priv->ioaddr, true); @@ -1887,12 +1926,16 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) if (likely(!is_jumbo)) { desc->des2 = dma_map_single(priv->device, skb->data, nopaged_len, DMA_TO_DEVICE); - priv->tx_skbuff_dma[entry] = desc->des2; + if (dma_mapping_error(priv->device, desc->des2)) + goto dma_map_err; + priv->tx_skbuff_dma[entry].buf = desc->des2; priv->hw->desc->prepare_tx_desc(desc, 1, nopaged_len, csum_insertion, priv->mode); } else { desc = first; entry = priv->hw->mode->jumbo_frm(priv, skb, csum_insertion); + if (unlikely(entry < 0)) + goto dma_map_err; } for (i = 0; i < nfrags; i++) { @@ -1908,7 +1951,11 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) desc->des2 = skb_frag_dma_map(priv->device, frag, 0, len, DMA_TO_DEVICE); - priv->tx_skbuff_dma[entry] = desc->des2; + if (dma_mapping_error(priv->device, desc->des2)) + goto dma_map_err; /* should reuse desc w/o issues */ + + priv->tx_skbuff_dma[entry].buf = desc->des2; + priv->tx_skbuff_dma[entry].map_as_page = true; priv->hw->desc->prepare_tx_desc(desc, 0, len, csum_insertion, priv->mode); wmb(); @@ -1975,7 +2022,12 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) priv->hw->dma->enable_dma_transmission(priv->ioaddr); spin_unlock(&priv->tx_lock); + return NETDEV_TX_OK; +dma_map_err: + dev_err(priv->device, "Tx dma map failed\n"); + dev_kfree_skb(skb); + priv->dev->stats.tx_dropped++; return NETDEV_TX_OK; } @@ -2028,7 +2080,12 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv) priv->rx_skbuff_dma[entry] = dma_map_single(priv->device, skb->data, bfsize, DMA_FROM_DEVICE); - + if (dma_mapping_error(priv->device, + priv->rx_skbuff_dma[entry])) { + dev_err(priv->device, "Rx dma map failed\n"); + dev_kfree_skb(skb); + break; + } p->des2 = priv->rx_skbuff_dma[entry]; priv->hw->mode->refill_desc3(priv, p); @@ -2055,7 +2112,7 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit) unsigned int entry = priv->cur_rx % rxsize; unsigned int next_entry; unsigned int count = 0; - int coe = priv->plat->rx_coe; + int coe = priv->hw->rx_csum; if (netif_msg_rx_status(priv)) { pr_debug("%s: descriptor ring:\n", __func__); @@ -2276,8 +2333,7 @@ static netdev_features_t stmmac_fix_features(struct net_device *dev, if (priv->plat->rx_coe == STMMAC_RX_COE_NONE) features &= ~NETIF_F_RXCSUM; - else if (priv->plat->rx_coe == STMMAC_RX_COE_TYPE1) - features &= ~NETIF_F_IPV6_CSUM; + if (!priv->plat->tx_coe) features &= ~NETIF_F_ALL_CSUM; @@ -2292,6 +2348,24 @@ static netdev_features_t stmmac_fix_features(struct net_device *dev, return features; } +static int stmmac_set_features(struct net_device *netdev, + netdev_features_t features) +{ + struct stmmac_priv *priv = netdev_priv(netdev); + + /* Keep the COE Type in case of csum is supporting */ + if (features & NETIF_F_RXCSUM) + priv->hw->rx_csum = priv->plat->rx_coe; + else + priv->hw->rx_csum = 0; + /* No check needed because rx_coe has been set before and it will be + * fixed in case of issue. + */ + priv->hw->mac->rx_ipc(priv->hw); + + return 0; +} + /** * stmmac_interrupt - main ISR * @irq: interrupt number. @@ -2572,6 +2646,7 @@ static const struct net_device_ops stmmac_netdev_ops = { .ndo_stop = stmmac_release, .ndo_change_mtu = stmmac_change_mtu, .ndo_fix_features = stmmac_fix_features, + .ndo_set_features = stmmac_set_features, .ndo_set_rx_mode = stmmac_set_rx_mode, .ndo_tx_timeout = stmmac_tx_timeout, .ndo_do_ioctl = stmmac_ioctl, @@ -2592,7 +2667,6 @@ static const struct net_device_ops stmmac_netdev_ops = { */ static int stmmac_hw_init(struct stmmac_priv *priv) { - int ret; struct mac_device_info *mac; /* Identify the MAC HW device */ @@ -2649,15 +2723,11 @@ static int stmmac_hw_init(struct stmmac_priv *priv) /* To use alternate (extended) or normal descriptor structures */ stmmac_selec_desc_mode(priv); - ret = priv->hw->mac->rx_ipc(priv->hw); - if (!ret) { - pr_warn(" RX IPC Checksum Offload not configured.\n"); - priv->plat->rx_coe = STMMAC_RX_COE_NONE; - } - - if (priv->plat->rx_coe) + if (priv->plat->rx_coe) { + priv->hw->rx_csum = priv->plat->rx_coe; pr_info(" RX Checksum Offload Engine supported (type %d)\n", priv->plat->rx_coe); + } if (priv->plat->tx_coe) pr_info(" TX Checksum insertion supported\n"); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c index b7ad3565566..c5ee79d8a8c 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c @@ -206,6 +206,7 @@ void stmmac_ptp_unregister(struct stmmac_priv *priv) { if (priv->ptp_clock) { ptp_clock_unregister(priv->ptp_clock); + priv->ptp_clock = NULL; pr_debug("Removed PTP HW clock successfully on %s\n", priv->dev->name); } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h index 3dbc047622f..4535df37c22 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h @@ -25,8 +25,6 @@ #ifndef __STMMAC_PTP_H__ #define __STMMAC_PTP_H__ -#define STMMAC_SYSCLOCK 62500000 - /* IEEE 1588 PTP register offsets */ #define PTP_TCR 0x0700 /* Timestamp Control Reg */ #define PTP_SSIR 0x0704 /* Sub-Second Increment Reg */ diff --git a/drivers/net/fddi/skfp/h/skfbi.h b/drivers/net/fddi/skfp/h/skfbi.h index c1ba26c06d7..3de2f0d15fe 100644 --- a/drivers/net/fddi/skfp/h/skfbi.h +++ b/drivers/net/fddi/skfp/h/skfbi.h @@ -147,11 +147,6 @@ #define PCI_MEM64BIT (2<<1) /* Base addr anywhere in 64 Bit range */ #define PCI_MEMSPACE 0x00000001L /* Bit 0: Memory Space Indic. */ -/* PCI_BASE_2ND 32 bit 2nd Base address */ -#define PCI_IOBASE 0xffffff00L /* Bit 31..8: I/O Base address */ -#define PCI_IOSIZE 0x000000fcL /* Bit 7..2: I/O Size Requirements */ -#define PCI_IOSPACE 0x00000001L /* Bit 0: I/O Space Indicator */ - /* PCI_SUB_VID 16 bit Subsystem Vendor ID */ /* PCI_SUB_ID 16 bit Subsystem ID */ diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index c94e2a27446..a854d38c231 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -1036,31 +1036,31 @@ int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable) /* First check if the EEE ability is supported */ eee_cap = phy_read_mmd_indirect(phydev, MDIO_PCS_EEE_ABLE, MDIO_MMD_PCS, phydev->addr); - if (eee_cap < 0) - return eee_cap; + if (eee_cap <= 0) + goto eee_exit_err; cap = mmd_eee_cap_to_ethtool_sup_t(eee_cap); if (!cap) - return -EPROTONOSUPPORT; + goto eee_exit_err; /* Check which link settings negotiated and verify it in * the EEE advertising registers. */ eee_lp = phy_read_mmd_indirect(phydev, MDIO_AN_EEE_LPABLE, MDIO_MMD_AN, phydev->addr); - if (eee_lp < 0) - return eee_lp; + if (eee_lp <= 0) + goto eee_exit_err; eee_adv = phy_read_mmd_indirect(phydev, MDIO_AN_EEE_ADV, MDIO_MMD_AN, phydev->addr); - if (eee_adv < 0) - return eee_adv; + if (eee_adv <= 0) + goto eee_exit_err; adv = mmd_eee_adv_to_ethtool_adv_t(eee_adv); lp = mmd_eee_adv_to_ethtool_adv_t(eee_lp); idx = phy_find_setting(phydev->speed, phydev->duplex); if (!(lp & adv & settings[idx].setting)) - return -EPROTONOSUPPORT; + goto eee_exit_err; if (clk_stop_enable) { /* Configure the PHY to stop receiving xMII @@ -1080,7 +1080,7 @@ int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable) return 0; /* EEE supported */ } - +eee_exit_err: return -EPROTONOSUPPORT; } EXPORT_SYMBOL(phy_init_eee); diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index d6e90c72c25..6dfcbf52393 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -2056,7 +2056,6 @@ vmxnet3_set_mc(struct net_device *netdev) if (!netdev_mc_empty(netdev)) { new_table = vmxnet3_copy_mc(netdev); if (new_table) { - new_mode |= VMXNET3_RXM_MCAST; rxConf->mfTableLen = cpu_to_le16( netdev_mc_count(netdev) * ETH_ALEN); new_table_pa = dma_map_single( @@ -2064,15 +2063,18 @@ vmxnet3_set_mc(struct net_device *netdev) new_table, rxConf->mfTableLen, PCI_DMA_TODEVICE); + } + + if (new_table_pa) { + new_mode |= VMXNET3_RXM_MCAST; rxConf->mfTablePA = cpu_to_le64(new_table_pa); } else { - netdev_info(netdev, "failed to copy mcast list" - ", setting ALL_MULTI\n"); + netdev_info(netdev, + "failed to copy mcast list, setting ALL_MULTI\n"); new_mode |= VMXNET3_RXM_ALL_MULTI; } } - if (!(new_mode & VMXNET3_RXM_MCAST)) { rxConf->mfTableLen = 0; rxConf->mfTablePA = 0; @@ -2091,11 +2093,10 @@ vmxnet3_set_mc(struct net_device *netdev) VMXNET3_CMD_UPDATE_MAC_FILTERS); spin_unlock_irqrestore(&adapter->cmd_lock, flags); - if (new_table) { + if (new_table_pa) dma_unmap_single(&adapter->pdev->dev, new_table_pa, rxConf->mfTableLen, PCI_DMA_TODEVICE); - kfree(new_table); - } + kfree(new_table); } void diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h index 29ee77f2c97..3759479f959 100644 --- a/drivers/net/vmxnet3/vmxnet3_int.h +++ b/drivers/net/vmxnet3/vmxnet3_int.h @@ -69,10 +69,10 @@ /* * Version numbers */ -#define VMXNET3_DRIVER_VERSION_STRING "1.2.0.0-k" +#define VMXNET3_DRIVER_VERSION_STRING "1.2.1.0-k" /* a 32-bit int, each byte encode a verion number in VMXNET3_DRIVER_VERSION */ -#define VMXNET3_DRIVER_VERSION_NUM 0x01020000 +#define VMXNET3_DRIVER_VERSION_NUM 0x01020100 #if defined(CONFIG_PCI_MSI) /* RSS only makes sense if MSI-X is supported. */ diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 1fb7b37d140..beb377b2d4b 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -1327,7 +1327,7 @@ static int arp_reduce(struct net_device *dev, struct sk_buff *skb) } else if (vxlan->flags & VXLAN_F_L3MISS) { union vxlan_addr ipa = { .sin.sin_addr.s_addr = tip, - .sa.sa_family = AF_INET, + .sin.sin_family = AF_INET, }; vxlan_ip_miss(dev, &ipa); @@ -1488,7 +1488,7 @@ static int neigh_reduce(struct net_device *dev, struct sk_buff *skb) } else if (vxlan->flags & VXLAN_F_L3MISS) { union vxlan_addr ipa = { .sin6.sin6_addr = msg->target, - .sa.sa_family = AF_INET6, + .sin6.sin6_family = AF_INET6, }; vxlan_ip_miss(dev, &ipa); @@ -1521,7 +1521,7 @@ static bool route_shortcircuit(struct net_device *dev, struct sk_buff *skb) if (!n && (vxlan->flags & VXLAN_F_L3MISS)) { union vxlan_addr ipa = { .sin.sin_addr.s_addr = pip->daddr, - .sa.sa_family = AF_INET, + .sin.sin_family = AF_INET, }; vxlan_ip_miss(dev, &ipa); @@ -1542,7 +1542,7 @@ static bool route_shortcircuit(struct net_device *dev, struct sk_buff *skb) if (!n && (vxlan->flags & VXLAN_F_L3MISS)) { union vxlan_addr ipa = { .sin6.sin6_addr = pip6->daddr, - .sa.sa_family = AF_INET6, + .sin6.sin6_family = AF_INET6, }; vxlan_ip_miss(dev, &ipa); diff --git a/drivers/net/wireless/at76c50x-usb.c b/drivers/net/wireless/at76c50x-usb.c index 334c2ece855..da92bfa76b7 100644 --- a/drivers/net/wireless/at76c50x-usb.c +++ b/drivers/net/wireless/at76c50x-usb.c @@ -2423,8 +2423,6 @@ static void at76_delete_device(struct at76_priv *priv) kfree_skb(priv->rx_skb); - usb_put_dev(priv->udev); - at76_dbg(DBG_PROC_ENTRY, "%s: before freeing priv/ieee80211_hw", __func__); ieee80211_free_hw(priv->hw); @@ -2558,6 +2556,7 @@ static void at76_disconnect(struct usb_interface *interface) wiphy_info(priv->hw->wiphy, "disconnecting\n"); at76_delete_device(priv); + usb_put_dev(priv->udev); dev_info(&interface->dev, "disconnected\n"); } diff --git a/drivers/net/wireless/ath/ath9k/spectral.c b/drivers/net/wireless/ath/ath9k/spectral.c index 5fe29b9f8fa..8f68426ca65 100644 --- a/drivers/net/wireless/ath/ath9k/spectral.c +++ b/drivers/net/wireless/ath/ath9k/spectral.c @@ -253,7 +253,7 @@ static ssize_t write_file_spec_scan_ctl(struct file *file, if (strncmp("trigger", buf, 7) == 0) { ath9k_spectral_scan_trigger(sc->hw); - } else if (strncmp("background", buf, 9) == 0) { + } else if (strncmp("background", buf, 10) == 0) { ath9k_spectral_scan_config(sc->hw, SPECTRAL_BACKGROUND); ath_dbg(common, CONFIG, "spectral scan: background mode enabled\n"); } else if (strncmp("chanscan", buf, 8) == 0) { diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig index 6451d2b6abc..824f5e28778 100644 --- a/drivers/net/wireless/iwlwifi/Kconfig +++ b/drivers/net/wireless/iwlwifi/Kconfig @@ -51,7 +51,6 @@ config IWLWIFI_LEDS config IWLDVM tristate "Intel Wireless WiFi DVM Firmware support" - depends on m default IWLWIFI help This is the driver that supports the DVM firmware which is @@ -60,7 +59,6 @@ config IWLDVM config IWLMVM tristate "Intel Wireless WiFi MVM Firmware support" - depends on m help This is the driver that supports the MVM firmware which is currently only available for 7260 and 3160 devices. diff --git a/drivers/net/wireless/iwlwifi/dvm/rxon.c b/drivers/net/wireless/iwlwifi/dvm/rxon.c index 6dc5dd3ced4..ed50de6362e 100644 --- a/drivers/net/wireless/iwlwifi/dvm/rxon.c +++ b/drivers/net/wireless/iwlwifi/dvm/rxon.c @@ -1068,6 +1068,13 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) /* recalculate basic rates */ iwl_calc_basic_rates(priv, ctx); + /* + * force CTS-to-self frames protection if RTS-CTS is not preferred + * one aggregation protection method + */ + if (!priv->hw_params.use_rts_for_aggregation) + ctx->staging.flags |= RXON_FLG_SELF_CTS_EN; + if ((ctx->vif && ctx->vif->bss_conf.use_short_slot) || !(ctx->staging.flags & RXON_FLG_BAND_24G_MSK)) ctx->staging.flags |= RXON_FLG_SHORT_SLOT_MSK; @@ -1473,6 +1480,11 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, else ctx->staging.flags &= ~RXON_FLG_TGG_PROTECT_MSK; + if (bss_conf->use_cts_prot) + ctx->staging.flags |= RXON_FLG_SELF_CTS_EN; + else + ctx->staging.flags &= ~RXON_FLG_SELF_CTS_EN; + memcpy(ctx->staging.bssid_addr, bss_conf->bssid, ETH_ALEN); if (vif->type == NL80211_IFTYPE_AP || diff --git a/drivers/net/wireless/iwlwifi/iwl-7000.c b/drivers/net/wireless/iwlwifi/iwl-7000.c index 48730064da7..d67a37a786a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-7000.c +++ b/drivers/net/wireless/iwlwifi/iwl-7000.c @@ -67,8 +67,8 @@ #include "iwl-agn-hw.h" /* Highest firmware API version supported */ -#define IWL7260_UCODE_API_MAX 9 -#define IWL3160_UCODE_API_MAX 9 +#define IWL7260_UCODE_API_MAX 10 +#define IWL3160_UCODE_API_MAX 10 /* Oldest version we won't warn about */ #define IWL7260_UCODE_API_OK 9 diff --git a/drivers/net/wireless/iwlwifi/iwl-8000.c b/drivers/net/wireless/iwlwifi/iwl-8000.c index 44b19e01510..e93c6972290 100644 --- a/drivers/net/wireless/iwlwifi/iwl-8000.c +++ b/drivers/net/wireless/iwlwifi/iwl-8000.c @@ -67,7 +67,7 @@ #include "iwl-agn-hw.h" /* Highest firmware API version supported */ -#define IWL8000_UCODE_API_MAX 9 +#define IWL8000_UCODE_API_MAX 10 /* Oldest version we won't warn about */ #define IWL8000_UCODE_API_OK 8 diff --git a/drivers/net/wireless/rtlwifi/btcoexist/halbtcoutsrc.c b/drivers/net/wireless/rtlwifi/btcoexist/halbtcoutsrc.c index 33da3dfcfa4..d4bd550f505 100644 --- a/drivers/net/wireless/rtlwifi/btcoexist/halbtcoutsrc.c +++ b/drivers/net/wireless/rtlwifi/btcoexist/halbtcoutsrc.c @@ -101,7 +101,7 @@ static bool halbtc_legacy(struct rtl_priv *adapter) bool is_legacy = false; - if ((mac->mode == WIRELESS_MODE_B) || (mac->mode == WIRELESS_MODE_B)) + if ((mac->mode == WIRELESS_MODE_B) || (mac->mode == WIRELESS_MODE_G)) is_legacy = true; return is_legacy; diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c index 361435f8608..1ac6383e794 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c @@ -317,6 +317,7 @@ static struct usb_device_id rtl8192c_usb_ids[] = { {RTL_USB_DEVICE(0x0bda, 0x5088, rtl92cu_hal_cfg)}, /*Thinkware-CC&C*/ {RTL_USB_DEVICE(0x0df6, 0x0052, rtl92cu_hal_cfg)}, /*Sitecom - Edimax*/ {RTL_USB_DEVICE(0x0df6, 0x005c, rtl92cu_hal_cfg)}, /*Sitecom - Edimax*/ + {RTL_USB_DEVICE(0x0df6, 0x0070, rtl92cu_hal_cfg)}, /*Sitecom - 150N */ {RTL_USB_DEVICE(0x0df6, 0x0077, rtl92cu_hal_cfg)}, /*Sitecom-WLA2100V2*/ {RTL_USB_DEVICE(0x0eb0, 0x9071, rtl92cu_hal_cfg)}, /*NO Brand - Etop*/ {RTL_USB_DEVICE(0x4856, 0x0091, rtl92cu_hal_cfg)}, /*NetweeN - Feixun*/ diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index e29e15dca86..f379689dde3 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -576,6 +576,9 @@ int xenvif_connect(struct xenvif_queue *queue, unsigned long tx_ring_ref, init_waitqueue_head(&queue->dealloc_wq); atomic_set(&queue->inflight_packets, 0); + netif_napi_add(queue->vif->dev, &queue->napi, xenvif_poll, + XENVIF_NAPI_WEIGHT); + if (tx_evtchn == rx_evtchn) { /* feature-split-event-channels == 0 */ err = bind_interdomain_evtchn_to_irqhandler( @@ -629,9 +632,6 @@ int xenvif_connect(struct xenvif_queue *queue, unsigned long tx_ring_ref, wake_up_process(queue->task); wake_up_process(queue->dealloc_task); - netif_napi_add(queue->vif->dev, &queue->napi, xenvif_poll, - XENVIF_NAPI_WEIGHT); - return 0; err_rx_unbind: diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c index 9dd63b82202..e9bf2f47b61 100644 --- a/drivers/ntb/ntb_transport.c +++ b/drivers/ntb/ntb_transport.c @@ -510,7 +510,7 @@ static void ntb_transport_setup_qp_mw(struct ntb_transport *nt, WARN_ON(nt->mw[mw_num].virt_addr == NULL); - if (nt->max_qps % mw_max && mw_num < nt->max_qps % mw_max) + if (nt->max_qps % mw_max && mw_num + 1 < nt->max_qps / mw_max) num_qps_mw = nt->max_qps / mw_max + 1; else num_qps_mw = nt->max_qps / mw_max; @@ -576,6 +576,19 @@ static int ntb_set_mw(struct ntb_transport *nt, int num_mw, unsigned int size) return -ENOMEM; } + /* + * we must ensure that the memory address allocated is BAR size + * aligned in order for the XLAT register to take the value. This + * is a requirement of the hardware. It is recommended to setup CMA + * for BAR sizes equal or greater than 4MB. + */ + if (!IS_ALIGNED(mw->dma_addr, mw->size)) { + dev_err(&pdev->dev, "DMA memory %pad not aligned to BAR size\n", + &mw->dma_addr); + ntb_free_mw(nt, num_mw); + return -ENOMEM; + } + /* Notify HW the memory location of the receive buffer */ ntb_set_mw_addr(nt->ndev, num_mw, mw->dma_addr); @@ -856,7 +869,7 @@ static int ntb_transport_init_queue(struct ntb_transport *nt, qp->client_ready = NTB_LINK_DOWN; qp->event_handler = NULL; - if (nt->max_qps % mw_max && mw_num < nt->max_qps % mw_max) + if (nt->max_qps % mw_max && mw_num + 1 < nt->max_qps / mw_max) num_qps_mw = nt->max_qps / mw_max + 1; else num_qps_mw = nt->max_qps / mw_max; diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c index 9eae9834bcc..a0580afe171 100644 --- a/drivers/parisc/dino.c +++ b/drivers/parisc/dino.c @@ -913,7 +913,7 @@ static int __init dino_probe(struct parisc_device *dev) printk("%s version %s found at 0x%lx\n", name, version, hpa); if (!request_mem_region(hpa, PAGE_SIZE, name)) { - printk(KERN_ERR "DINO: Hey! Someone took my MMIO space (0x%ld)!\n", + printk(KERN_ERR "DINO: Hey! Someone took my MMIO space (0x%lx)!\n", hpa); return 1; } diff --git a/drivers/pci/host/Kconfig b/drivers/pci/host/Kconfig index 8922c376456..90f5ccacce4 100644 --- a/drivers/pci/host/Kconfig +++ b/drivers/pci/host/Kconfig @@ -56,7 +56,7 @@ config PCI_HOST_GENERIC controller, such as the one emulated by kvmtool. config PCIE_SPEAR13XX - tristate "STMicroelectronics SPEAr PCIe controller" + bool "STMicroelectronics SPEAr PCIe controller" depends on ARCH_SPEAR13XX select PCIEPORTBUS select PCIE_DW diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig index 0dd74271915..4ff8cbb620d 100644 --- a/drivers/phy/Kconfig +++ b/drivers/phy/Kconfig @@ -41,9 +41,9 @@ config PHY_MVEBU_SATA config PHY_MIPHY365X tristate "STMicroelectronics MIPHY365X PHY driver for STiH41x series" depends on ARCH_STI - depends on GENERIC_PHY depends on HAS_IOMEM depends on OF + select GENERIC_PHY help Enable this to support the miphy transceiver (for SATA/PCIE) that is part of STMicroelectronics STiH41x SoC series. diff --git a/drivers/phy/phy-exynos5-usbdrd.c b/drivers/phy/phy-exynos5-usbdrd.c index b05302b09c9..392101c8d6b 100644 --- a/drivers/phy/phy-exynos5-usbdrd.c +++ b/drivers/phy/phy-exynos5-usbdrd.c @@ -542,6 +542,7 @@ static const struct of_device_id exynos5_usbdrd_phy_of_match[] = { }, { }, }; +MODULE_DEVICE_TABLE(of, exynos5_usbdrd_phy_of_match); static int exynos5_usbdrd_phy_probe(struct platform_device *pdev) { diff --git a/drivers/phy/phy-twl4030-usb.c b/drivers/phy/phy-twl4030-usb.c index e1a6623d469..9cd33a4bcfb 100644 --- a/drivers/phy/phy-twl4030-usb.c +++ b/drivers/phy/phy-twl4030-usb.c @@ -34,6 +34,7 @@ #include <linux/delay.h> #include <linux/usb/otg.h> #include <linux/phy/phy.h> +#include <linux/pm_runtime.h> #include <linux/usb/musb-omap.h> #include <linux/usb/ulpi.h> #include <linux/i2c/twl.h> @@ -422,37 +423,55 @@ static void twl4030_phy_power(struct twl4030_usb *twl, int on) } } -static int twl4030_phy_power_off(struct phy *phy) +static int twl4030_usb_runtime_suspend(struct device *dev) { - struct twl4030_usb *twl = phy_get_drvdata(phy); + struct twl4030_usb *twl = dev_get_drvdata(dev); + dev_dbg(twl->dev, "%s\n", __func__); if (twl->asleep) return 0; twl4030_phy_power(twl, 0); twl->asleep = 1; - dev_dbg(twl->dev, "%s\n", __func__); + return 0; } -static void __twl4030_phy_power_on(struct twl4030_usb *twl) +static int twl4030_usb_runtime_resume(struct device *dev) { + struct twl4030_usb *twl = dev_get_drvdata(dev); + + dev_dbg(twl->dev, "%s\n", __func__); + if (!twl->asleep) + return 0; + twl4030_phy_power(twl, 1); - twl4030_i2c_access(twl, 1); - twl4030_usb_set_mode(twl, twl->usb_mode); - if (twl->usb_mode == T2_USB_MODE_ULPI) - twl4030_i2c_access(twl, 0); + twl->asleep = 0; + + return 0; +} + +static int twl4030_phy_power_off(struct phy *phy) +{ + struct twl4030_usb *twl = phy_get_drvdata(phy); + + dev_dbg(twl->dev, "%s\n", __func__); + pm_runtime_mark_last_busy(twl->dev); + pm_runtime_put_autosuspend(twl->dev); + + return 0; } static int twl4030_phy_power_on(struct phy *phy) { struct twl4030_usb *twl = phy_get_drvdata(phy); - if (!twl->asleep) - return 0; - __twl4030_phy_power_on(twl); - twl->asleep = 0; dev_dbg(twl->dev, "%s\n", __func__); + pm_runtime_get_sync(twl->dev); + twl4030_i2c_access(twl, 1); + twl4030_usb_set_mode(twl, twl->usb_mode); + if (twl->usb_mode == T2_USB_MODE_ULPI) + twl4030_i2c_access(twl, 0); /* * XXX When VBUS gets driven after musb goes to A mode, @@ -558,9 +577,27 @@ static irqreturn_t twl4030_usb_irq(int irq, void *_twl) * USB_LINK_VBUS state. musb_hdrc won't care until it * starts to handle softconnect right. */ + if ((status == OMAP_MUSB_VBUS_VALID) || + (status == OMAP_MUSB_ID_GROUND)) { + if (twl->asleep) + pm_runtime_get_sync(twl->dev); + } else { + if (!twl->asleep) { + pm_runtime_mark_last_busy(twl->dev); + pm_runtime_put_autosuspend(twl->dev); + } + } omap_musb_mailbox(status); } - sysfs_notify(&twl->dev->kobj, NULL, "vbus"); + + /* don't schedule during sleep - irq works right then */ + if (status == OMAP_MUSB_ID_GROUND && !twl->asleep) { + cancel_delayed_work(&twl->id_workaround_work); + schedule_delayed_work(&twl->id_workaround_work, HZ); + } + + if (irq) + sysfs_notify(&twl->dev->kobj, NULL, "vbus"); return IRQ_HANDLED; } @@ -569,29 +606,8 @@ static void twl4030_id_workaround_work(struct work_struct *work) { struct twl4030_usb *twl = container_of(work, struct twl4030_usb, id_workaround_work.work); - enum omap_musb_vbus_id_status status; - bool status_changed = false; - - status = twl4030_usb_linkstat(twl); - - spin_lock_irq(&twl->lock); - if (status >= 0 && status != twl->linkstat) { - twl->linkstat = status; - status_changed = true; - } - spin_unlock_irq(&twl->lock); - - if (status_changed) { - dev_dbg(twl->dev, "handle missing status change to %d\n", - status); - omap_musb_mailbox(status); - } - /* don't schedule during sleep - irq works right then */ - if (status == OMAP_MUSB_ID_GROUND && !twl->asleep) { - cancel_delayed_work(&twl->id_workaround_work); - schedule_delayed_work(&twl->id_workaround_work, HZ); - } + twl4030_usb_irq(0, twl); } static int twl4030_phy_init(struct phy *phy) @@ -599,22 +615,17 @@ static int twl4030_phy_init(struct phy *phy) struct twl4030_usb *twl = phy_get_drvdata(phy); enum omap_musb_vbus_id_status status; - /* - * Start in sleep state, we'll get called through set_suspend() - * callback when musb is runtime resumed and it's time to start. - */ - __twl4030_phy_power(twl, 0); - twl->asleep = 1; - + pm_runtime_get_sync(twl->dev); status = twl4030_usb_linkstat(twl); twl->linkstat = status; - if (status == OMAP_MUSB_ID_GROUND || status == OMAP_MUSB_VBUS_VALID) { + if (status == OMAP_MUSB_ID_GROUND || status == OMAP_MUSB_VBUS_VALID) omap_musb_mailbox(twl->linkstat); - twl4030_phy_power_on(phy); - } sysfs_notify(&twl->dev->kobj, NULL, "vbus"); + pm_runtime_mark_last_busy(twl->dev); + pm_runtime_put_autosuspend(twl->dev); + return 0; } @@ -650,6 +661,11 @@ static const struct phy_ops ops = { .owner = THIS_MODULE, }; +static const struct dev_pm_ops twl4030_usb_pm_ops = { + SET_RUNTIME_PM_OPS(twl4030_usb_runtime_suspend, + twl4030_usb_runtime_resume, NULL) +}; + static int twl4030_usb_probe(struct platform_device *pdev) { struct twl4030_usb_data *pdata = dev_get_platdata(&pdev->dev); @@ -726,6 +742,11 @@ static int twl4030_usb_probe(struct platform_device *pdev) ATOMIC_INIT_NOTIFIER_HEAD(&twl->phy.notifier); + pm_runtime_use_autosuspend(&pdev->dev); + pm_runtime_set_autosuspend_delay(&pdev->dev, 2000); + pm_runtime_enable(&pdev->dev); + pm_runtime_get_sync(&pdev->dev); + /* Our job is to use irqs and status from the power module * to keep the transceiver disabled when nothing's connected. * @@ -744,6 +765,9 @@ static int twl4030_usb_probe(struct platform_device *pdev) return status; } + pm_runtime_mark_last_busy(&pdev->dev); + pm_runtime_put_autosuspend(twl->dev); + dev_info(&pdev->dev, "Initialized TWL4030 USB module\n"); return 0; } @@ -753,6 +777,7 @@ static int twl4030_usb_remove(struct platform_device *pdev) struct twl4030_usb *twl = platform_get_drvdata(pdev); int val; + pm_runtime_get_sync(twl->dev); cancel_delayed_work(&twl->id_workaround_work); device_remove_file(twl->dev, &dev_attr_vbus); @@ -772,9 +797,8 @@ static int twl4030_usb_remove(struct platform_device *pdev) /* disable complete OTG block */ twl4030_usb_clear_bits(twl, POWER_CTRL, POWER_CTRL_OTG_ENAB); - - if (!twl->asleep) - twl4030_phy_power(twl, 0); + pm_runtime_mark_last_busy(twl->dev); + pm_runtime_put(twl->dev); return 0; } @@ -792,6 +816,7 @@ static struct platform_driver twl4030_usb_driver = { .remove = twl4030_usb_remove, .driver = { .name = "twl4030_usb", + .pm = &twl4030_usb_pm_ops, .owner = THIS_MODULE, .of_match_table = of_match_ptr(twl4030_usb_id_table), }, diff --git a/drivers/pinctrl/nomadik/pinctrl-abx500.c b/drivers/pinctrl/nomadik/pinctrl-abx500.c index a53a689a2bf..8c6fd8d4dd3 100644 --- a/drivers/pinctrl/nomadik/pinctrl-abx500.c +++ b/drivers/pinctrl/nomadik/pinctrl-abx500.c @@ -620,8 +620,7 @@ static void abx500_gpio_dbg_show_one(struct seq_file *s, } else seq_printf(s, " %-9s", chip->get(chip, offset) ? "hi" : "lo"); - if (pctldev) - mode = abx500_get_mode(pctldev, chip, offset); + mode = abx500_get_mode(pctldev, chip, offset); seq_printf(s, " %s", (mode < 0) ? "unknown" : modes[mode]); diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c index af1ba4fc150..60464a2648a 100644 --- a/drivers/pinctrl/pinctrl-at91.c +++ b/drivers/pinctrl/pinctrl-at91.c @@ -497,10 +497,10 @@ static struct at91_pinctrl_mux_ops at91sam9x5_ops = { static void at91_pin_dbg(const struct device *dev, const struct at91_pmx_pin *pin) { if (pin->mux) { - dev_dbg(dev, "pio%c%d configured as periph%c with conf = 0x%lu\n", + dev_dbg(dev, "pio%c%d configured as periph%c with conf = 0x%lx\n", pin->bank + 'A', pin->pin, pin->mux - 1 + 'A', pin->conf); } else { - dev_dbg(dev, "pio%c%d configured as gpio with conf = 0x%lu\n", + dev_dbg(dev, "pio%c%d configured as gpio with conf = 0x%lx\n", pin->bank + 'A', pin->pin, pin->conf); } } diff --git a/drivers/pinctrl/pinctrl-baytrail.c b/drivers/pinctrl/pinctrl-baytrail.c index 9ca59a01874..e12e5b07f6d 100644 --- a/drivers/pinctrl/pinctrl-baytrail.c +++ b/drivers/pinctrl/pinctrl-baytrail.c @@ -461,6 +461,7 @@ static struct irq_chip byt_irqchip = { .irq_mask = byt_irq_mask, .irq_unmask = byt_irq_unmask, .irq_set_type = byt_irq_type, + .flags = IRQCHIP_SKIP_SET_WAKE, }; static void byt_gpio_irq_init_hw(struct byt_gpio *vg) diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index 5e8b2e04cd7..0c372a300cb 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -438,7 +438,7 @@ static int rockchip_set_mux(struct rockchip_pin_bank *bank, int pin, int mux) int reg, ret, mask; unsigned long flags; u8 bit; - u32 data; + u32 data, rmask; if (iomux_num > 3) return -EINVAL; @@ -478,8 +478,9 @@ static int rockchip_set_mux(struct rockchip_pin_bank *bank, int pin, int mux) spin_lock_irqsave(&bank->slock, flags); data = (mask << (bit + 16)); + rmask = data | (data >> 16); data |= (mux & mask) << bit; - ret = regmap_write(regmap, reg, data); + ret = regmap_update_bits(regmap, reg, rmask, data); spin_unlock_irqrestore(&bank->slock, flags); @@ -634,7 +635,7 @@ static int rk3288_set_drive(struct rockchip_pin_bank *bank, int pin_num, struct regmap *regmap; unsigned long flags; int reg, ret, i; - u32 data; + u32 data, rmask; u8 bit; rk3288_calc_drv_reg_and_bit(bank, pin_num, ®map, ®, &bit); @@ -657,9 +658,10 @@ static int rk3288_set_drive(struct rockchip_pin_bank *bank, int pin_num, /* enable the write to the equivalent lower bits */ data = ((1 << RK3288_DRV_BITS_PER_PIN) - 1) << (bit + 16); + rmask = data | (data >> 16); data |= (ret << bit); - ret = regmap_write(regmap, reg, data); + ret = regmap_update_bits(regmap, reg, rmask, data); spin_unlock_irqrestore(&bank->slock, flags); return ret; @@ -722,7 +724,7 @@ static int rockchip_set_pull(struct rockchip_pin_bank *bank, int reg, ret; unsigned long flags; u8 bit; - u32 data; + u32 data, rmask; dev_dbg(info->dev, "setting pull of GPIO%d-%d to %d\n", bank->bank_num, pin_num, pull); @@ -750,6 +752,7 @@ static int rockchip_set_pull(struct rockchip_pin_bank *bank, /* enable the write to the equivalent lower bits */ data = ((1 << RK3188_PULL_BITS_PER_PIN) - 1) << (bit + 16); + rmask = data | (data >> 16); switch (pull) { case PIN_CONFIG_BIAS_DISABLE: @@ -770,7 +773,7 @@ static int rockchip_set_pull(struct rockchip_pin_bank *bank, return -EINVAL; } - ret = regmap_write(regmap, reg, data); + ret = regmap_update_bits(regmap, reg, rmask, data); spin_unlock_irqrestore(&bank->slock, flags); break; diff --git a/drivers/pinctrl/pinctrl-tegra-xusb.c b/drivers/pinctrl/pinctrl-tegra-xusb.c index a0662047484..e641b4226c4 100644 --- a/drivers/pinctrl/pinctrl-tegra-xusb.c +++ b/drivers/pinctrl/pinctrl-tegra-xusb.c @@ -680,7 +680,7 @@ static struct phy *tegra_xusb_padctl_xlate(struct device *dev, if (args->args_count <= 0) return ERR_PTR(-EINVAL); - if (index > ARRAY_SIZE(padctl->phys)) + if (index >= ARRAY_SIZE(padctl->phys)) return ERR_PTR(-EINVAL); return padctl->phys[index]; @@ -930,7 +930,8 @@ static int tegra_xusb_padctl_probe(struct platform_device *pdev) padctl->provider = devm_of_phy_provider_register(&pdev->dev, tegra_xusb_padctl_xlate); - if (err < 0) { + if (IS_ERR(padctl->provider)) { + err = PTR_ERR(padctl->provider); dev_err(&pdev->dev, "failed to register PHYs: %d\n", err); goto unregister; } diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c index 003bfd874a6..d7154ed0b0e 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos.c @@ -127,14 +127,10 @@ static int exynos_irq_set_type(struct irq_data *irqd, unsigned int type) struct irq_chip *chip = irq_data_get_irq_chip(irqd); struct exynos_irq_chip *our_chip = to_exynos_irq_chip(chip); struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd); - struct samsung_pin_bank_type *bank_type = bank->type; struct samsung_pinctrl_drv_data *d = bank->drvdata; - unsigned int pin = irqd->hwirq; - unsigned int shift = EXYNOS_EINT_CON_LEN * pin; + unsigned int shift = EXYNOS_EINT_CON_LEN * irqd->hwirq; unsigned int con, trig_type; unsigned long reg_con = our_chip->eint_con + bank->eint_offset; - unsigned long flags; - unsigned int mask; switch (type) { case IRQ_TYPE_EDGE_RISING: @@ -167,8 +163,32 @@ static int exynos_irq_set_type(struct irq_data *irqd, unsigned int type) con |= trig_type << shift; writel(con, d->virt_base + reg_con); + return 0; +} + +static int exynos_irq_request_resources(struct irq_data *irqd) +{ + struct irq_chip *chip = irq_data_get_irq_chip(irqd); + struct exynos_irq_chip *our_chip = to_exynos_irq_chip(chip); + struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd); + struct samsung_pin_bank_type *bank_type = bank->type; + struct samsung_pinctrl_drv_data *d = bank->drvdata; + unsigned int shift = EXYNOS_EINT_CON_LEN * irqd->hwirq; + unsigned long reg_con = our_chip->eint_con + bank->eint_offset; + unsigned long flags; + unsigned int mask; + unsigned int con; + int ret; + + ret = gpio_lock_as_irq(&bank->gpio_chip, irqd->hwirq); + if (ret) { + dev_err(bank->gpio_chip.dev, "unable to lock pin %s-%lu IRQ\n", + bank->name, irqd->hwirq); + return ret; + } + reg_con = bank->pctl_offset + bank_type->reg_offset[PINCFG_TYPE_FUNC]; - shift = pin * bank_type->fld_width[PINCFG_TYPE_FUNC]; + shift = irqd->hwirq * bank_type->fld_width[PINCFG_TYPE_FUNC]; mask = (1 << bank_type->fld_width[PINCFG_TYPE_FUNC]) - 1; spin_lock_irqsave(&bank->slock, flags); @@ -180,9 +200,42 @@ static int exynos_irq_set_type(struct irq_data *irqd, unsigned int type) spin_unlock_irqrestore(&bank->slock, flags); + exynos_irq_unmask(irqd); + return 0; } +static void exynos_irq_release_resources(struct irq_data *irqd) +{ + struct irq_chip *chip = irq_data_get_irq_chip(irqd); + struct exynos_irq_chip *our_chip = to_exynos_irq_chip(chip); + struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd); + struct samsung_pin_bank_type *bank_type = bank->type; + struct samsung_pinctrl_drv_data *d = bank->drvdata; + unsigned int shift = EXYNOS_EINT_CON_LEN * irqd->hwirq; + unsigned long reg_con = our_chip->eint_con + bank->eint_offset; + unsigned long flags; + unsigned int mask; + unsigned int con; + + reg_con = bank->pctl_offset + bank_type->reg_offset[PINCFG_TYPE_FUNC]; + shift = irqd->hwirq * bank_type->fld_width[PINCFG_TYPE_FUNC]; + mask = (1 << bank_type->fld_width[PINCFG_TYPE_FUNC]) - 1; + + exynos_irq_mask(irqd); + + spin_lock_irqsave(&bank->slock, flags); + + con = readl(d->virt_base + reg_con); + con &= ~(mask << shift); + con |= FUNC_INPUT << shift; + writel(con, d->virt_base + reg_con); + + spin_unlock_irqrestore(&bank->slock, flags); + + gpio_unlock_as_irq(&bank->gpio_chip, irqd->hwirq); +} + /* * irq_chip for gpio interrupts. */ @@ -193,6 +246,8 @@ static struct exynos_irq_chip exynos_gpio_irq_chip = { .irq_mask = exynos_irq_mask, .irq_ack = exynos_irq_ack, .irq_set_type = exynos_irq_set_type, + .irq_request_resources = exynos_irq_request_resources, + .irq_release_resources = exynos_irq_release_resources, }, .eint_con = EXYNOS_GPIO_ECON_OFFSET, .eint_mask = EXYNOS_GPIO_EMASK_OFFSET, @@ -336,6 +391,8 @@ static struct exynos_irq_chip exynos_wkup_irq_chip = { .irq_ack = exynos_irq_ack, .irq_set_type = exynos_irq_set_type, .irq_set_wake = exynos_wkup_irq_set_wake, + .irq_request_resources = exynos_irq_request_resources, + .irq_release_resources = exynos_irq_release_resources, }, .eint_con = EXYNOS_WKUP_ECON_OFFSET, .eint_mask = EXYNOS_WKUP_EMASK_OFFSET, diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.h b/drivers/pinctrl/samsung/pinctrl-samsung.h index 2b882320e8e..5cedc9d2639 100644 --- a/drivers/pinctrl/samsung/pinctrl-samsung.h +++ b/drivers/pinctrl/samsung/pinctrl-samsung.h @@ -26,6 +26,7 @@ #include <linux/gpio.h> /* pinmux function number for pin as gpio output line */ +#define FUNC_INPUT 0x0 #define FUNC_OUTPUT 0x1 /** diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7791.c b/drivers/pinctrl/sh-pfc/pfc-r8a7791.c index 576d41b459e..c6e5deba238 100644 --- a/drivers/pinctrl/sh-pfc/pfc-r8a7791.c +++ b/drivers/pinctrl/sh-pfc/pfc-r8a7791.c @@ -4509,24 +4509,24 @@ static const char * const audio_clk_groups[] = { }; static const char * const can0_groups[] = { - "can0_data_a", + "can0_data", "can0_data_b", "can0_data_c", "can0_data_d", "can0_data_e", "can0_data_f", - "can_clk_a", + "can_clk", "can_clk_b", "can_clk_c", "can_clk_d", }; static const char * const can1_groups[] = { - "can1_data_a", + "can1_data", "can1_data_b", "can1_data_c", "can1_data_d", - "can_clk_a", + "can_clk", "can_clk_b", "can_clk_c", "can_clk_d", diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c index fc468a3d95c..02152de135b 100644 --- a/drivers/platform/x86/ideapad-laptop.c +++ b/drivers/platform/x86/ideapad-laptop.c @@ -88,7 +88,6 @@ struct ideapad_private { struct dentry *debug; unsigned long cfg; bool has_hw_rfkill_switch; - bool has_touchpad_control; }; static bool no_bt_rfkill; @@ -456,7 +455,7 @@ struct ideapad_rfk_data { int type; }; -const const struct ideapad_rfk_data ideapad_rfk_data[] = { +static const struct ideapad_rfk_data ideapad_rfk_data[] = { { "ideapad_wlan", CFG_WIFI_BIT, VPCCMD_W_WIFI, RFKILL_TYPE_WLAN }, { "ideapad_bluetooth", CFG_BT_BIT, VPCCMD_W_BT, RFKILL_TYPE_BLUETOOTH }, { "ideapad_3g", CFG_3G_BIT, VPCCMD_W_3G, RFKILL_TYPE_WWAN }, @@ -767,9 +766,6 @@ static void ideapad_sync_touchpad_state(struct ideapad_private *priv) { unsigned long value; - if (!priv->has_touchpad_control) - return; - /* Without reading from EC touchpad LED doesn't switch state */ if (!read_ec_data(priv->adev->handle, VPCCMD_R_TOUCHPAD, &value)) { /* Some IdeaPads don't really turn off touchpad - they only @@ -833,29 +829,7 @@ static void ideapad_acpi_notify(acpi_handle handle, u32 event, void *data) * always results in 0 on these models, causing ideapad_laptop to wrongly * report all radios as hardware-blocked. */ -static struct dmi_system_id no_hw_rfkill_list[] = { - { - .ident = "Lenovo Yoga 2 11 / 13 / Pro", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo Yoga 2"), - }, - }, - {} -}; - -/* - * Some models don't offer touchpad ctrl through the ideapad interface, causing - * ideapad_sync_touchpad_state to send wrong touchpad enable/disable events. - */ -static struct dmi_system_id no_touchpad_ctrl_list[] = { - { - .ident = "Lenovo Yoga 1 series", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo IdeaPad Yoga"), - }, - }, +static const struct dmi_system_id no_hw_rfkill_list[] = { { .ident = "Lenovo Yoga 2 11 / 13 / Pro", .matches = { @@ -889,7 +863,6 @@ static int ideapad_acpi_add(struct platform_device *pdev) priv->adev = adev; priv->platform_device = pdev; priv->has_hw_rfkill_switch = !dmi_check_system(no_hw_rfkill_list); - priv->has_touchpad_control = !dmi_check_system(no_touchpad_ctrl_list); ret = ideapad_sysfs_init(priv); if (ret) diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index b062d3d7b37..d0dce734b2e 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -1255,10 +1255,15 @@ static ssize_t toshiba_kbd_bl_mode_store(struct device *dev, const char *buf, size_t count) { struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); - int mode = -1; - int time = -1; + int mode; + int time; + int ret; - if (sscanf(buf, "%i", &mode) != 1 && (mode != 2 || mode != 1)) + + ret = kstrtoint(buf, 0, &mode); + if (ret) + return ret; + if (mode != SCI_KBD_MODE_FNZ && mode != SCI_KBD_MODE_AUTO) return -EINVAL; /* Set the Keyboard Backlight Mode where: @@ -1266,11 +1271,12 @@ static ssize_t toshiba_kbd_bl_mode_store(struct device *dev, * Auto - KBD backlight turns off automatically in given time * FN-Z - KBD backlight "toggles" when hotkey pressed */ - if (mode != -1 && toshiba->kbd_mode != mode) { + if (toshiba->kbd_mode != mode) { time = toshiba->kbd_time << HCI_MISC_SHIFT; time = time + toshiba->kbd_mode; - if (toshiba_kbd_illum_status_set(toshiba, time) < 0) - return -EIO; + ret = toshiba_kbd_illum_status_set(toshiba, time); + if (ret) + return ret; toshiba->kbd_mode = mode; } @@ -1857,9 +1863,16 @@ static int toshiba_acpi_resume(struct device *device) { struct toshiba_acpi_dev *dev = acpi_driver_data(to_acpi_device(device)); u32 result; + acpi_status status; + + if (dev->hotkey_dev) { + status = acpi_evaluate_object(dev->acpi_dev->handle, "ENAB", + NULL, NULL); + if (ACPI_FAILURE(status)) + pr_info("Unable to re-enable hotkeys\n"); - if (dev->hotkey_dev) hci_write1(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_ENABLE, &result); + } return 0; } diff --git a/drivers/powercap/intel_rapl.c b/drivers/powercap/intel_rapl.c index b1cda6ffdbc..45e05b32f9b 100644 --- a/drivers/powercap/intel_rapl.c +++ b/drivers/powercap/intel_rapl.c @@ -953,6 +953,7 @@ static const struct x86_cpu_id rapl_ids[] = { { X86_VENDOR_INTEL, 6, 0x3a},/* Ivy Bridge */ { X86_VENDOR_INTEL, 6, 0x3c},/* Haswell */ { X86_VENDOR_INTEL, 6, 0x3d},/* Broadwell */ + { X86_VENDOR_INTEL, 6, 0x3f},/* Haswell */ { X86_VENDOR_INTEL, 6, 0x45},/* Haswell ULT */ /* TODO: Add more CPU IDs after testing */ {} @@ -1166,11 +1167,10 @@ static int rapl_detect_domains(struct rapl_package *rp, int cpu) for (i = 0; i < RAPL_DOMAIN_MAX; i++) { /* use physical package id to read counters */ - if (!rapl_check_domain(cpu, i)) + if (!rapl_check_domain(cpu, i)) { rp->domain_map |= 1 << i; - else - pr_warn("RAPL domain %s detection failed\n", - rapl_domain_names[i]); + pr_info("Found RAPL domain %s\n", rapl_domain_names[i]); + } } rp->nr_domains = bitmap_weight(&rp->domain_map, RAPL_DOMAIN_MAX); if (!rp->nr_domains) { diff --git a/drivers/rtc/rtc-s5m.c b/drivers/rtc/rtc-s5m.c index 8f06250a038..8754c33361e 100644 --- a/drivers/rtc/rtc-s5m.c +++ b/drivers/rtc/rtc-s5m.c @@ -717,12 +717,14 @@ static int s5m_rtc_probe(struct platform_device *pdev) info->device_type = s5m87xx->device_type; info->wtsr_smpl = s5m87xx->wtsr_smpl; - info->irq = regmap_irq_get_virq(s5m87xx->irq_data, alarm_irq); - if (info->irq <= 0) { - ret = -EINVAL; - dev_err(&pdev->dev, "Failed to get virtual IRQ %d\n", + if (s5m87xx->irq_data) { + info->irq = regmap_irq_get_virq(s5m87xx->irq_data, alarm_irq); + if (info->irq <= 0) { + ret = -EINVAL; + dev_err(&pdev->dev, "Failed to get virtual IRQ %d\n", alarm_irq); - goto err; + goto err; + } } platform_set_drvdata(pdev, info); @@ -744,6 +746,11 @@ static int s5m_rtc_probe(struct platform_device *pdev) goto err; } + if (!info->irq) { + dev_info(&pdev->dev, "Alarm IRQ not available\n"); + return 0; + } + ret = devm_request_threaded_irq(&pdev->dev, info->irq, NULL, s5m_rtc_alarm_irq, 0, "rtc-alarm0", info); @@ -802,7 +809,7 @@ static int s5m_rtc_resume(struct device *dev) struct s5m_rtc_info *info = dev_get_drvdata(dev); int ret = 0; - if (device_may_wakeup(dev)) + if (info->irq && device_may_wakeup(dev)) ret = disable_irq_wake(info->irq); return ret; @@ -813,7 +820,7 @@ static int s5m_rtc_suspend(struct device *dev) struct s5m_rtc_info *info = dev_get_drvdata(dev); int ret = 0; - if (device_may_wakeup(dev)) + if (info->irq && device_may_wakeup(dev)) ret = enable_irq_wake(info->irq); return ret; diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c index 2ead7e78c45..14ba80bfa57 100644 --- a/drivers/s390/block/dasd_devmap.c +++ b/drivers/s390/block/dasd_devmap.c @@ -77,7 +77,7 @@ EXPORT_SYMBOL_GPL(dasd_nofcx); * strings when running as a module. */ static char *dasd[256]; -module_param_array(dasd, charp, NULL, 0); +module_param_array(dasd, charp, NULL, S_IRUGO); /* * Single spinlock to protect devmap and servermap structures and lists. diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c index a6d47e5eee9..c43aca69fb3 100644 --- a/drivers/s390/char/con3215.c +++ b/drivers/s390/char/con3215.c @@ -1035,12 +1035,26 @@ static int tty3215_write(struct tty_struct * tty, const unsigned char *buf, int count) { struct raw3215_info *raw; + int i, written; if (!tty) return 0; raw = (struct raw3215_info *) tty->driver_data; - raw3215_write(raw, buf, count); - return count; + written = count; + while (count > 0) { + for (i = 0; i < count; i++) + if (buf[i] == '\t' || buf[i] == '\n') + break; + raw3215_write(raw, buf, i); + count -= i; + buf += i; + if (count > 0) { + raw3215_putchar(raw, *buf); + count--; + buf++; + } + } + return written; } /* @@ -1188,7 +1202,7 @@ static int __init tty3215_init(void) driver->subtype = SYSTEM_TYPE_TTY; driver->init_termios = tty_std_termios; driver->init_termios.c_iflag = IGNBRK | IGNPAR; - driver->init_termios.c_oflag = ONLCR | XTABS; + driver->init_termios.c_oflag = ONLCR; driver->init_termios.c_lflag = ISIG; driver->flags = TTY_DRIVER_REAL_RAW; tty_set_operations(driver, &tty3215_ops); diff --git a/drivers/s390/char/sclp_tty.c b/drivers/s390/char/sclp_tty.c index 7ed7a598781..003663288e2 100644 --- a/drivers/s390/char/sclp_tty.c +++ b/drivers/s390/char/sclp_tty.c @@ -559,7 +559,7 @@ sclp_tty_init(void) driver->subtype = SYSTEM_TYPE_TTY; driver->init_termios = tty_std_termios; driver->init_termios.c_iflag = IGNBRK | IGNPAR; - driver->init_termios.c_oflag = ONLCR | XTABS; + driver->init_termios.c_oflag = ONLCR; driver->init_termios.c_lflag = ISIG | ECHO; driver->flags = TTY_DRIVER_REAL_RAW; tty_set_operations(driver, &sclp_ops); diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index 97ef37b5106..e7646ce3d65 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -889,6 +889,7 @@ extern const struct attribute_group *qeth_generic_attr_groups[]; extern const struct attribute_group *qeth_osn_attr_groups[]; extern struct workqueue_struct *qeth_wq; +int qeth_card_hw_is_reachable(struct qeth_card *); const char *qeth_get_cardname_short(struct qeth_card *); int qeth_realloc_buffer_pool(struct qeth_card *, int); int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id); diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index c0d6ba8655c..fd22c811cbe 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -73,6 +73,13 @@ static int qeth_init_qdio_out_buf(struct qeth_qdio_out_q *, int); struct workqueue_struct *qeth_wq; EXPORT_SYMBOL_GPL(qeth_wq); +int qeth_card_hw_is_reachable(struct qeth_card *card) +{ + return (card->state == CARD_STATE_SOFTSETUP) || + (card->state == CARD_STATE_UP); +} +EXPORT_SYMBOL_GPL(qeth_card_hw_is_reachable); + static void qeth_close_dev_handler(struct work_struct *work) { struct qeth_card *card; @@ -5790,6 +5797,7 @@ int qeth_core_ethtool_get_settings(struct net_device *netdev, struct qeth_card *card = netdev->ml_priv; enum qeth_link_types link_type; struct carrier_info carrier_info; + int rc; u32 speed; if ((card->info.type == QETH_CARD_TYPE_IQD) || (card->info.guestlan)) @@ -5832,8 +5840,14 @@ int qeth_core_ethtool_get_settings(struct net_device *netdev, /* Check if we can obtain more accurate information. */ /* If QUERY_CARD_INFO command is not supported or fails, */ /* just return the heuristics that was filled above. */ - if (qeth_query_card_info(card, &carrier_info) != 0) + if (!qeth_card_hw_is_reachable(card)) + return -ENODEV; + rc = qeth_query_card_info(card, &carrier_info); + if (rc == -EOPNOTSUPP) /* for old hardware, return heuristic */ return 0; + if (rc) /* report error from the hardware operation */ + return rc; + /* on success, fill in the information got from the hardware */ netdev_dbg(netdev, "card info: card_type=0x%02x, port_mode=0x%04x, port_speed=0x%08x\n", diff --git a/drivers/s390/net/qeth_l2_sys.c b/drivers/s390/net/qeth_l2_sys.c index ae1bc04b865..59e3aa538b4 100644 --- a/drivers/s390/net/qeth_l2_sys.c +++ b/drivers/s390/net/qeth_l2_sys.c @@ -5,17 +5,12 @@ #include <linux/slab.h> #include <asm/ebcdic.h> +#include "qeth_core.h" #include "qeth_l2.h" #define QETH_DEVICE_ATTR(_id, _name, _mode, _show, _store) \ struct device_attribute dev_attr_##_id = __ATTR(_name, _mode, _show, _store) -static int qeth_card_hw_is_reachable(struct qeth_card *card) -{ - return (card->state == CARD_STATE_SOFTSETUP) || - (card->state == CARD_STATE_UP); -} - static ssize_t qeth_bridge_port_role_state_show(struct device *dev, struct device_attribute *attr, char *buf, int show_state) diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index ce62e8798cc..d837dc18052 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1808,7 +1808,6 @@ static int scsi_mq_prep_fn(struct request *req) cmd->tag = req->tag; - req->cmd = req->__cmd; cmd->cmnd = req->cmd; cmd->prot_op = SCSI_PROT_NORMAL; diff --git a/drivers/spi/spi-au1550.c b/drivers/spi/spi-au1550.c index 40c3d43c929..f40b34cdf2f 100644 --- a/drivers/spi/spi-au1550.c +++ b/drivers/spi/spi-au1550.c @@ -945,7 +945,7 @@ static int au1550_spi_remove(struct platform_device *pdev) spi_bitbang_stop(&hw->bitbang); free_irq(hw->irq, hw); iounmap((void __iomem *)hw->regs); - release_mem_region(r->start, sizeof(psc_spi_t)); + release_mem_region(hw->ioarea->start, sizeof(psc_spi_t)); if (hw->usedma) { au1550_spi_dma_rxtmp_free(hw); diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c index 276a3884fb3..48f1d26e6ad 100644 --- a/drivers/spi/spi-davinci.c +++ b/drivers/spi/spi-davinci.c @@ -417,16 +417,16 @@ static int davinci_spi_setup(struct spi_device *spi) flags, dev_name(&spi->dev)); internal_cs = false; } - } - if (retval) { - dev_err(&spi->dev, "GPIO %d setup failed (%d)\n", - spi->cs_gpio, retval); - return retval; - } + if (retval) { + dev_err(&spi->dev, "GPIO %d setup failed (%d)\n", + spi->cs_gpio, retval); + return retval; + } - if (internal_cs) - set_io_bits(dspi->base + SPIPC0, 1 << spi->chip_select); + if (internal_cs) + set_io_bits(dspi->base + SPIPC0, 1 << spi->chip_select); + } if (spi->mode & SPI_READY) set_io_bits(dspi->base + SPIPC0, SPIPC0_SPIENA_MASK); diff --git a/drivers/spi/spi-dw-pci.c b/drivers/spi/spi-dw-pci.c index 3f3dc1226ed..e14960470d8 100644 --- a/drivers/spi/spi-dw-pci.c +++ b/drivers/spi/spi-dw-pci.c @@ -62,6 +62,8 @@ static int spi_pci_probe(struct pci_dev *pdev, if (ret) return ret; + dws->regs = pcim_iomap_table(pdev)[pci_bar]; + dws->bus_num = 0; dws->num_cs = 4; dws->irq = pdev->irq; diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c index 29f33143b79..670f0627f3b 100644 --- a/drivers/spi/spi-dw.c +++ b/drivers/spi/spi-dw.c @@ -271,7 +271,7 @@ static void giveback(struct dw_spi *dws) transfer_list); if (!last_transfer->cs_change) - spi_chip_sel(dws, dws->cur_msg->spi, 0); + spi_chip_sel(dws, msg->spi, 0); spi_finalize_current_message(dws->master); } diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c index 68441fa448d..352eed7463a 100644 --- a/drivers/spi/spi-omap2-mcspi.c +++ b/drivers/spi/spi-omap2-mcspi.c @@ -329,7 +329,8 @@ static void omap2_mcspi_set_fifo(const struct spi_device *spi, disable_fifo: if (t->rx_buf != NULL) chconf &= ~OMAP2_MCSPI_CHCONF_FFER; - else + + if (t->tx_buf != NULL) chconf &= ~OMAP2_MCSPI_CHCONF_FFET; mcspi_write_chconf0(spi, chconf); diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index fe792106bdc..46f45ca2c69 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -1074,6 +1074,7 @@ static struct acpi_device_id pxa2xx_spi_acpi_match[] = { { "INT3430", 0 }, { "INT3431", 0 }, { "80860F0E", 0 }, + { "8086228E", 0 }, { }, }; MODULE_DEVICE_TABLE(acpi, pxa2xx_spi_acpi_match); diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c index c0743604b90..cd0e08b0c9f 100644 --- a/drivers/spi/spi-rockchip.c +++ b/drivers/spi/spi-rockchip.c @@ -499,7 +499,7 @@ static void rockchip_spi_config(struct rockchip_spi *rs) } /* div doesn't support odd number */ - div = rs->max_freq / rs->speed; + div = max_t(u32, rs->max_freq / rs->speed, 1); div = (div + 1) & 0xfffe; spi_enable_chip(rs, 0); @@ -678,7 +678,7 @@ static int rockchip_spi_probe(struct platform_device *pdev) rs->dma_tx.addr = (dma_addr_t)(mem->start + ROCKCHIP_SPI_TXDR); rs->dma_rx.addr = (dma_addr_t)(mem->start + ROCKCHIP_SPI_RXDR); rs->dma_tx.direction = DMA_MEM_TO_DEV; - rs->dma_tx.direction = DMA_DEV_TO_MEM; + rs->dma_rx.direction = DMA_DEV_TO_MEM; master->can_dma = rockchip_spi_can_dma; master->dma_tx = rs->dma_tx.ch; diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c index c850dfdfa9e..ad87a98f8f6 100644 --- a/drivers/spi/spi-rspi.c +++ b/drivers/spi/spi-rspi.c @@ -472,25 +472,52 @@ static int rspi_dma_transfer(struct rspi_data *rspi, struct sg_table *tx, dma_cookie_t cookie; int ret; - if (tx) { - desc_tx = dmaengine_prep_slave_sg(rspi->master->dma_tx, - tx->sgl, tx->nents, DMA_TO_DEVICE, - DMA_PREP_INTERRUPT | DMA_CTRL_ACK); - if (!desc_tx) - goto no_dma; - - irq_mask |= SPCR_SPTIE; - } + /* First prepare and submit the DMA request(s), as this may fail */ if (rx) { desc_rx = dmaengine_prep_slave_sg(rspi->master->dma_rx, rx->sgl, rx->nents, DMA_FROM_DEVICE, DMA_PREP_INTERRUPT | DMA_CTRL_ACK); - if (!desc_rx) - goto no_dma; + if (!desc_rx) { + ret = -EAGAIN; + goto no_dma_rx; + } + + desc_rx->callback = rspi_dma_complete; + desc_rx->callback_param = rspi; + cookie = dmaengine_submit(desc_rx); + if (dma_submit_error(cookie)) { + ret = cookie; + goto no_dma_rx; + } irq_mask |= SPCR_SPRIE; } + if (tx) { + desc_tx = dmaengine_prep_slave_sg(rspi->master->dma_tx, + tx->sgl, tx->nents, DMA_TO_DEVICE, + DMA_PREP_INTERRUPT | DMA_CTRL_ACK); + if (!desc_tx) { + ret = -EAGAIN; + goto no_dma_tx; + } + + if (rx) { + /* No callback */ + desc_tx->callback = NULL; + } else { + desc_tx->callback = rspi_dma_complete; + desc_tx->callback_param = rspi; + } + cookie = dmaengine_submit(desc_tx); + if (dma_submit_error(cookie)) { + ret = cookie; + goto no_dma_tx; + } + + irq_mask |= SPCR_SPTIE; + } + /* * DMAC needs SPxIE, but if SPxIE is set, the IRQ routine will be * called. So, this driver disables the IRQ while DMA transfer. @@ -503,34 +530,24 @@ static int rspi_dma_transfer(struct rspi_data *rspi, struct sg_table *tx, rspi_enable_irq(rspi, irq_mask); rspi->dma_callbacked = 0; - if (rx) { - desc_rx->callback = rspi_dma_complete; - desc_rx->callback_param = rspi; - cookie = dmaengine_submit(desc_rx); - if (dma_submit_error(cookie)) - return cookie; + /* Now start DMA */ + if (rx) dma_async_issue_pending(rspi->master->dma_rx); - } - if (tx) { - if (rx) { - /* No callback */ - desc_tx->callback = NULL; - } else { - desc_tx->callback = rspi_dma_complete; - desc_tx->callback_param = rspi; - } - cookie = dmaengine_submit(desc_tx); - if (dma_submit_error(cookie)) - return cookie; + if (tx) dma_async_issue_pending(rspi->master->dma_tx); - } ret = wait_event_interruptible_timeout(rspi->wait, rspi->dma_callbacked, HZ); if (ret > 0 && rspi->dma_callbacked) ret = 0; - else if (!ret) + else if (!ret) { + dev_err(&rspi->master->dev, "DMA timeout\n"); ret = -ETIMEDOUT; + if (tx) + dmaengine_terminate_all(rspi->master->dma_tx); + if (rx) + dmaengine_terminate_all(rspi->master->dma_rx); + } rspi_disable_irq(rspi, irq_mask); @@ -541,11 +558,16 @@ static int rspi_dma_transfer(struct rspi_data *rspi, struct sg_table *tx, return ret; -no_dma: - pr_warn_once("%s %s: DMA not available, falling back to PIO\n", - dev_driver_string(&rspi->master->dev), - dev_name(&rspi->master->dev)); - return -EAGAIN; +no_dma_tx: + if (rx) + dmaengine_terminate_all(rspi->master->dma_rx); +no_dma_rx: + if (ret == -EAGAIN) { + pr_warn_once("%s %s: DMA not available, falling back to PIO\n", + dev_driver_string(&rspi->master->dev), + dev_name(&rspi->master->dev)); + } + return ret; } static void rspi_receive_init(const struct rspi_data *rspi) diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c index 2a4354dcd66..543075b80f1 100644 --- a/drivers/spi/spi-sh-msiof.c +++ b/drivers/spi/spi-sh-msiof.c @@ -636,48 +636,38 @@ static int sh_msiof_dma_once(struct sh_msiof_spi_priv *p, const void *tx, dma_cookie_t cookie; int ret; - if (tx) { - ier_bits |= IER_TDREQE | IER_TDMAE; - dma_sync_single_for_device(p->master->dma_tx->device->dev, - p->tx_dma_addr, len, DMA_TO_DEVICE); - desc_tx = dmaengine_prep_slave_single(p->master->dma_tx, - p->tx_dma_addr, len, DMA_TO_DEVICE, - DMA_PREP_INTERRUPT | DMA_CTRL_ACK); - if (!desc_tx) - return -EAGAIN; - } - + /* First prepare and submit the DMA request(s), as this may fail */ if (rx) { ier_bits |= IER_RDREQE | IER_RDMAE; desc_rx = dmaengine_prep_slave_single(p->master->dma_rx, p->rx_dma_addr, len, DMA_FROM_DEVICE, DMA_PREP_INTERRUPT | DMA_CTRL_ACK); - if (!desc_rx) - return -EAGAIN; - } - - /* 1 stage FIFO watermarks for DMA */ - sh_msiof_write(p, FCTR, FCTR_TFWM_1 | FCTR_RFWM_1); - - /* setup msiof transfer mode registers (32-bit words) */ - sh_msiof_spi_set_mode_regs(p, tx, rx, 32, len / 4); - - sh_msiof_write(p, IER, ier_bits); - - reinit_completion(&p->done); + if (!desc_rx) { + ret = -EAGAIN; + goto no_dma_rx; + } - if (rx) { desc_rx->callback = sh_msiof_dma_complete; desc_rx->callback_param = p; cookie = dmaengine_submit(desc_rx); if (dma_submit_error(cookie)) { ret = cookie; - goto stop_ier; + goto no_dma_rx; } - dma_async_issue_pending(p->master->dma_rx); } if (tx) { + ier_bits |= IER_TDREQE | IER_TDMAE; + dma_sync_single_for_device(p->master->dma_tx->device->dev, + p->tx_dma_addr, len, DMA_TO_DEVICE); + desc_tx = dmaengine_prep_slave_single(p->master->dma_tx, + p->tx_dma_addr, len, DMA_TO_DEVICE, + DMA_PREP_INTERRUPT | DMA_CTRL_ACK); + if (!desc_tx) { + ret = -EAGAIN; + goto no_dma_tx; + } + if (rx) { /* No callback */ desc_tx->callback = NULL; @@ -688,15 +678,30 @@ static int sh_msiof_dma_once(struct sh_msiof_spi_priv *p, const void *tx, cookie = dmaengine_submit(desc_tx); if (dma_submit_error(cookie)) { ret = cookie; - goto stop_rx; + goto no_dma_tx; } - dma_async_issue_pending(p->master->dma_tx); } + /* 1 stage FIFO watermarks for DMA */ + sh_msiof_write(p, FCTR, FCTR_TFWM_1 | FCTR_RFWM_1); + + /* setup msiof transfer mode registers (32-bit words) */ + sh_msiof_spi_set_mode_regs(p, tx, rx, 32, len / 4); + + sh_msiof_write(p, IER, ier_bits); + + reinit_completion(&p->done); + + /* Now start DMA */ + if (rx) + dma_async_issue_pending(p->master->dma_rx); + if (tx) + dma_async_issue_pending(p->master->dma_tx); + ret = sh_msiof_spi_start(p, rx); if (ret) { dev_err(&p->pdev->dev, "failed to start hardware\n"); - goto stop_tx; + goto stop_dma; } /* wait for tx fifo to be emptied / rx fifo to be filled */ @@ -726,14 +731,14 @@ static int sh_msiof_dma_once(struct sh_msiof_spi_priv *p, const void *tx, stop_reset: sh_msiof_reset_str(p); sh_msiof_spi_stop(p, rx); -stop_tx: +stop_dma: if (tx) dmaengine_terminate_all(p->master->dma_tx); -stop_rx: +no_dma_tx: if (rx) dmaengine_terminate_all(p->master->dma_rx); -stop_ier: sh_msiof_write(p, IER, 0); +no_dma_rx: return ret; } diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index e0531baf278..ca935df80c8 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -848,6 +848,7 @@ out: /** * spi_finalize_current_transfer - report completion of a transfer + * @master: the master reporting completion * * Called by SPI drivers using the core transfer_one_message() * implementation to notify it that the current interrupt driven diff --git a/drivers/ssb/b43_pci_bridge.c b/drivers/ssb/b43_pci_bridge.c index 19396dc4ee4..bed2fedeb05 100644 --- a/drivers/ssb/b43_pci_bridge.c +++ b/drivers/ssb/b43_pci_bridge.c @@ -38,6 +38,7 @@ static const struct pci_device_id b43_pci_bridge_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x432b) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x432c) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4350) }, + { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4351) }, { 0, }, }; MODULE_DEVICE_TABLE(pci, b43_pci_bridge_tbl); diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index 2c486ea6236..35b494f5667 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -28,8 +28,6 @@ source "drivers/staging/et131x/Kconfig" source "drivers/staging/slicoss/Kconfig" -source "drivers/staging/usbip/Kconfig" - source "drivers/staging/wlan-ng/Kconfig" source "drivers/staging/comedi/Kconfig" diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 1e1a3a10faf..e66a5dbd9b0 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -6,7 +6,6 @@ obj-$(CONFIG_STAGING) += staging.o obj-y += media/ obj-$(CONFIG_ET131X) += et131x/ obj-$(CONFIG_SLICOSS) += slicoss/ -obj-$(CONFIG_USBIP_CORE) += usbip/ obj-$(CONFIG_PRISM2_USB) += wlan-ng/ obj-$(CONFIG_COMEDI) += comedi/ obj-$(CONFIG_FB_OLPC_DCON) += olpc_dcon/ diff --git a/drivers/staging/android/logger.c b/drivers/staging/android/logger.c index 9b47e66599a..0bf0d24d12d 100644 --- a/drivers/staging/android/logger.c +++ b/drivers/staging/android/logger.c @@ -790,7 +790,7 @@ static int __init create_log(char *log_name, int size) if (unlikely(ret)) { pr_err("failed to register misc device for log '%s'!\n", log->misc.name); - goto out_free_log; + goto out_free_misc_name; } pr_info("created %luK log '%s'\n", @@ -798,6 +798,9 @@ static int __init create_log(char *log_name, int size) return 0; +out_free_misc_name: + kfree(log->misc.name); + out_free_log: kfree(log); diff --git a/drivers/staging/android/sync.c b/drivers/staging/android/sync.c index e7b2e023419..69139ce7420 100644 --- a/drivers/staging/android/sync.c +++ b/drivers/staging/android/sync.c @@ -199,7 +199,6 @@ struct sync_fence *sync_fence_create(const char *name, struct sync_pt *pt) fence->num_fences = 1; atomic_set(&fence->status, 1); - fence_get(&pt->base); fence->cbs[0].sync_pt = &pt->base; fence->cbs[0].fence = fence; if (fence_add_callback(&pt->base, &fence->cbs[0].cb, diff --git a/drivers/staging/et131x/et131x.c b/drivers/staging/et131x/et131x.c index 8bf1eb48516..831b7c6fe49 100644 --- a/drivers/staging/et131x/et131x.c +++ b/drivers/staging/et131x/et131x.c @@ -1421,22 +1421,16 @@ static int et131x_mii_read(struct et131x_adapter *adapter, u8 reg, u16 *value) * @reg: the register to read * @value: 16-bit value to write */ -static int et131x_mii_write(struct et131x_adapter *adapter, u8 reg, u16 value) +static int et131x_mii_write(struct et131x_adapter *adapter, u8 addr, u8 reg, + u16 value) { struct mac_regs __iomem *mac = &adapter->regs->mac; - struct phy_device *phydev = adapter->phydev; int status = 0; - u8 addr; u32 delay = 0; u32 mii_addr; u32 mii_cmd; u32 mii_indicator; - if (!phydev) - return -EIO; - - addr = phydev->addr; - /* Save a local copy of the registers we are dealing with so we can * set them back */ @@ -1631,17 +1625,7 @@ static int et131x_mdio_write(struct mii_bus *bus, int phy_addr, struct net_device *netdev = bus->priv; struct et131x_adapter *adapter = netdev_priv(netdev); - return et131x_mii_write(adapter, reg, value); -} - -static int et131x_mdio_reset(struct mii_bus *bus) -{ - struct net_device *netdev = bus->priv; - struct et131x_adapter *adapter = netdev_priv(netdev); - - et131x_mii_write(adapter, MII_BMCR, BMCR_RESET); - - return 0; + return et131x_mii_write(adapter, phy_addr, reg, value); } /* et1310_phy_power_switch - PHY power control @@ -1656,18 +1640,20 @@ static int et131x_mdio_reset(struct mii_bus *bus) static void et1310_phy_power_switch(struct et131x_adapter *adapter, bool down) { u16 data; + struct phy_device *phydev = adapter->phydev; et131x_mii_read(adapter, MII_BMCR, &data); data &= ~BMCR_PDOWN; if (down) data |= BMCR_PDOWN; - et131x_mii_write(adapter, MII_BMCR, data); + et131x_mii_write(adapter, phydev->addr, MII_BMCR, data); } /* et131x_xcvr_init - Init the phy if we are setting it into force mode */ static void et131x_xcvr_init(struct et131x_adapter *adapter) { u16 lcr2; + struct phy_device *phydev = adapter->phydev; /* Set the LED behavior such that LED 1 indicates speed (off = * 10Mbits, blink = 100Mbits, on = 1000Mbits) and LED 2 indicates @@ -1688,7 +1674,7 @@ static void et131x_xcvr_init(struct et131x_adapter *adapter) else lcr2 |= (LED_VAL_LINKON << LED_TXRX_SHIFT); - et131x_mii_write(adapter, PHY_LED_2, lcr2); + et131x_mii_write(adapter, phydev->addr, PHY_LED_2, lcr2); } } @@ -3643,14 +3629,14 @@ static void et131x_adjust_link(struct net_device *netdev) et131x_mii_read(adapter, PHY_MPHY_CONTROL_REG, ®ister18); - et131x_mii_write(adapter, PHY_MPHY_CONTROL_REG, - register18 | 0x4); - et131x_mii_write(adapter, PHY_INDEX_REG, + et131x_mii_write(adapter, phydev->addr, + PHY_MPHY_CONTROL_REG, register18 | 0x4); + et131x_mii_write(adapter, phydev->addr, PHY_INDEX_REG, register18 | 0x8402); - et131x_mii_write(adapter, PHY_DATA_REG, + et131x_mii_write(adapter, phydev->addr, PHY_DATA_REG, register18 | 511); - et131x_mii_write(adapter, PHY_MPHY_CONTROL_REG, - register18); + et131x_mii_write(adapter, phydev->addr, + PHY_MPHY_CONTROL_REG, register18); } et1310_config_flow_control(adapter); @@ -3662,7 +3648,8 @@ static void et131x_adjust_link(struct net_device *netdev) et131x_mii_read(adapter, PHY_CONFIG, ®); reg &= ~ET_PHY_CONFIG_TX_FIFO_DEPTH; reg |= ET_PHY_CONFIG_FIFO_DEPTH_32; - et131x_mii_write(adapter, PHY_CONFIG, reg); + et131x_mii_write(adapter, phydev->addr, PHY_CONFIG, + reg); } et131x_set_rx_dma_timer(adapter); @@ -3675,14 +3662,14 @@ static void et131x_adjust_link(struct net_device *netdev) et131x_mii_read(adapter, PHY_MPHY_CONTROL_REG, ®ister18); - et131x_mii_write(adapter, PHY_MPHY_CONTROL_REG, - register18 | 0x4); - et131x_mii_write(adapter, PHY_INDEX_REG, - register18 | 0x8402); - et131x_mii_write(adapter, PHY_DATA_REG, - register18 | 511); - et131x_mii_write(adapter, PHY_MPHY_CONTROL_REG, - register18); + et131x_mii_write(adapter, phydev->addr, + PHY_MPHY_CONTROL_REG, register18 | 0x4); + et131x_mii_write(adapter, phydev->addr, + PHY_INDEX_REG, register18 | 0x8402); + et131x_mii_write(adapter, phydev->addr, + PHY_DATA_REG, register18 | 511); + et131x_mii_write(adapter, phydev->addr, + PHY_MPHY_CONTROL_REG, register18); } /* Free the packets being actively sent & stopped */ @@ -4644,10 +4631,6 @@ static int et131x_pci_setup(struct pci_dev *pdev, /* Copy address into the net_device struct */ memcpy(netdev->dev_addr, adapter->addr, ETH_ALEN); - /* Init variable for counting how long we do not have link status */ - adapter->boot_coma = 0; - et1310_disable_phy_coma(adapter); - rc = -ENOMEM; /* Setup the mii_bus struct */ @@ -4663,7 +4646,6 @@ static int et131x_pci_setup(struct pci_dev *pdev, adapter->mii_bus->priv = netdev; adapter->mii_bus->read = et131x_mdio_read; adapter->mii_bus->write = et131x_mdio_write; - adapter->mii_bus->reset = et131x_mdio_reset; adapter->mii_bus->irq = kmalloc_array(PHY_MAX_ADDR, sizeof(int), GFP_KERNEL); if (!adapter->mii_bus->irq) @@ -4687,6 +4669,10 @@ static int et131x_pci_setup(struct pci_dev *pdev, /* Setup et1310 as per the documentation */ et131x_adapter_setup(adapter); + /* Init variable for counting how long we do not have link status */ + adapter->boot_coma = 0; + et1310_disable_phy_coma(adapter); + /* We can enable interrupts now * * NOTE - Because registration of interrupt handler is done in the diff --git a/drivers/staging/imx-drm/imx-ldb.c b/drivers/staging/imx-drm/imx-ldb.c index 7e3f019d7e7..4662e00b456 100644 --- a/drivers/staging/imx-drm/imx-ldb.c +++ b/drivers/staging/imx-drm/imx-ldb.c @@ -574,6 +574,9 @@ static void imx_ldb_unbind(struct device *dev, struct device *master, for (i = 0; i < 2; i++) { struct imx_ldb_channel *channel = &imx_ldb->channel[i]; + if (!channel->connector.funcs) + continue; + channel->connector.funcs->destroy(&channel->connector); channel->encoder.funcs->destroy(&channel->encoder); } diff --git a/drivers/staging/imx-drm/ipuv3-plane.c b/drivers/staging/imx-drm/ipuv3-plane.c index 6ffe1bbbcf1..697aad25b82 100644 --- a/drivers/staging/imx-drm/ipuv3-plane.c +++ b/drivers/staging/imx-drm/ipuv3-plane.c @@ -277,7 +277,8 @@ static void ipu_plane_dpms(struct ipu_plane *ipu_plane, int mode) ipu_idmac_put(ipu_plane->ipu_ch); ipu_dmfc_put(ipu_plane->dmfc); - ipu_dp_put(ipu_plane->dp); + if (ipu_plane->dp) + ipu_dp_put(ipu_plane->dp); } } diff --git a/drivers/staging/lustre/lustre/libcfs/workitem.c b/drivers/staging/lustre/lustre/libcfs/workitem.c index 65629579bd7..03ab9e04678 100644 --- a/drivers/staging/lustre/lustre/libcfs/workitem.c +++ b/drivers/staging/lustre/lustre/libcfs/workitem.c @@ -365,6 +365,7 @@ cfs_wi_sched_create(char *name, struct cfs_cpt_table *cptab, return -ENOMEM; strncpy(sched->ws_name, name, CFS_WS_NAME_LEN); + sched->ws_name[CFS_WS_NAME_LEN - 1] = '\0'; sched->ws_cptab = cptab; sched->ws_cpt = cpt; diff --git a/drivers/staging/lustre/lustre/llite/llite_lib.c b/drivers/staging/lustre/lustre/llite/llite_lib.c index 0367f5a2cfe..0c59e26c080 100644 --- a/drivers/staging/lustre/lustre/llite/llite_lib.c +++ b/drivers/staging/lustre/lustre/llite/llite_lib.c @@ -568,7 +568,7 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt, if (sb->s_root == NULL) { CERROR("%s: can't make root dentry\n", ll_get_fsname(sb, NULL, 0)); - GOTO(out_root, err = -ENOMEM); + GOTO(out_lock_cn_cb, err = -ENOMEM); } sbi->ll_sdev_orig = sb->s_dev; diff --git a/drivers/staging/lustre/lustre/obdclass/class_obd.c b/drivers/staging/lustre/lustre/obdclass/class_obd.c index 8b19f3caa68..701c6a77652 100644 --- a/drivers/staging/lustre/lustre/obdclass/class_obd.c +++ b/drivers/staging/lustre/lustre/obdclass/class_obd.c @@ -35,7 +35,7 @@ */ #define DEBUG_SUBSYSTEM S_CLASS -# include <asm/atomic.h> +# include <linux/atomic.h> #include "../include/obd_support.h" #include "../include/obd_class.h" diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c index b8676ac77b0..407a318b09d 100644 --- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c +++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c @@ -43,9 +43,11 @@ static struct usb_device_id rtw_usb_id_tbl[] = { {USB_DEVICE(USB_VENDER_ID_REALTEK, 0x0179)}, /* 8188ETV */ /*=== Customer ID ===*/ /****** 8188EUS ********/ + {USB_DEVICE(0x056e, 0x4008)}, /* Elecom WDC-150SU2M */ {USB_DEVICE(0x07b8, 0x8179)}, /* Abocom - Abocom */ {USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */ {USB_DEVICE(0x2001, 0x3310)}, /* Dlink DWA-123 REV D1 */ + {USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */ {} /* Terminating entry */ }; diff --git a/drivers/thunderbolt/path.c b/drivers/thunderbolt/path.c index 8fcf8a7b6c2..9562cd026dc 100644 --- a/drivers/thunderbolt/path.c +++ b/drivers/thunderbolt/path.c @@ -150,7 +150,26 @@ int tb_path_activate(struct tb_path *path) /* Activate hops. */ for (i = path->path_length - 1; i >= 0; i--) { - struct tb_regs_hop hop; + struct tb_regs_hop hop = { 0 }; + + /* + * We do (currently) not tear down paths setup by the firmeware. + * If a firmware device is unplugged and plugged in again then + * it can happen that we reuse some of the hops from the (now + * defunct) firmeware path. This causes the hotplug operation to + * fail (the pci device does not show up). Clearing the hop + * before overwriting it fixes the problem. + * + * Should be removed once we discover and tear down firmeware + * paths. + */ + res = tb_port_write(path->hops[i].in_port, &hop, TB_CFG_HOPS, + 2 * path->hops[i].in_hop_index, 2); + if (res) { + __tb_path_deactivate_hops(path, i); + __tb_path_deallocate_nfc(path, 0); + goto err; + } /* dword 0 */ hop.next_hop = path->hops[i].next_hop_index; diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index 4db7987ec22..57d9df84ce5 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -540,6 +540,7 @@ static const struct acpi_device_id dw8250_acpi_match[] = { { "INT3434", 0 }, { "INT3435", 0 }, { "80860F0A", 0 }, + { "8086228A", 0 }, { }, }; MODULE_DEVICE_TABLE(acpi, dw8250_acpi_match); diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c index 7b63677475c..d7d4584549a 100644 --- a/drivers/tty/serial/atmel_serial.c +++ b/drivers/tty/serial/atmel_serial.c @@ -527,6 +527,45 @@ static void atmel_enable_ms(struct uart_port *port) } /* + * Disable modem status interrupts + */ +static void atmel_disable_ms(struct uart_port *port) +{ + struct atmel_uart_port *atmel_port = to_atmel_uart_port(port); + uint32_t idr = 0; + + /* + * Interrupt should not be disabled twice + */ + if (!atmel_port->ms_irq_enabled) + return; + + atmel_port->ms_irq_enabled = false; + + if (atmel_port->gpio_irq[UART_GPIO_CTS] >= 0) + disable_irq(atmel_port->gpio_irq[UART_GPIO_CTS]); + else + idr |= ATMEL_US_CTSIC; + + if (atmel_port->gpio_irq[UART_GPIO_DSR] >= 0) + disable_irq(atmel_port->gpio_irq[UART_GPIO_DSR]); + else + idr |= ATMEL_US_DSRIC; + + if (atmel_port->gpio_irq[UART_GPIO_RI] >= 0) + disable_irq(atmel_port->gpio_irq[UART_GPIO_RI]); + else + idr |= ATMEL_US_RIIC; + + if (atmel_port->gpio_irq[UART_GPIO_DCD] >= 0) + disable_irq(atmel_port->gpio_irq[UART_GPIO_DCD]); + else + idr |= ATMEL_US_DCDIC; + + UART_PUT_IDR(port, idr); +} + +/* * Control the transmission of a break signal */ static void atmel_break_ctl(struct uart_port *port, int break_state) @@ -1993,7 +2032,9 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios *termios, /* CTS flow-control and modem-status interrupts */ if (UART_ENABLE_MS(port, termios->c_cflag)) - port->ops->enable_ms(port); + atmel_enable_ms(port); + else + atmel_disable_ms(port); spin_unlock_irqrestore(&port->lock, flags); } diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c index 01951d27cc0..806e4bcadbd 100644 --- a/drivers/tty/serial/xilinx_uartps.c +++ b/drivers/tty/serial/xilinx_uartps.c @@ -581,7 +581,7 @@ static unsigned int cdns_uart_tx_empty(struct uart_port *port) { unsigned int status; - status = cdns_uart_readl(CDNS_UART_ISR_OFFSET) & CDNS_UART_IXR_TXEMPTY; + status = cdns_uart_readl(CDNS_UART_SR_OFFSET) & CDNS_UART_SR_TXEMPTY; return status ? TIOCSER_TEMT : 0; } diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig index e0cad441808..cf1b19bca30 100644 --- a/drivers/usb/Kconfig +++ b/drivers/usb/Kconfig @@ -92,6 +92,8 @@ source "drivers/usb/storage/Kconfig" source "drivers/usb/image/Kconfig" +source "drivers/usb/usbip/Kconfig" + endif source "drivers/usb/musb/Kconfig" diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile index 3cba892b83a..d7be7177805 100644 --- a/drivers/usb/Makefile +++ b/drivers/usb/Makefile @@ -60,3 +60,5 @@ obj-$(CONFIG_USB_RENESAS_USBHS) += renesas_usbhs/ obj-$(CONFIG_USB_GADGET) += gadget/ obj-$(CONFIG_USB_COMMON) += common/ + +obj-$(CONFIG_USBIP_CORE) += usbip/ diff --git a/drivers/usb/chipidea/ci_hdrc_msm.c b/drivers/usb/chipidea/ci_hdrc_msm.c index d72b9d2de2c..4935ac38fd0 100644 --- a/drivers/usb/chipidea/ci_hdrc_msm.c +++ b/drivers/usb/chipidea/ci_hdrc_msm.c @@ -20,13 +20,13 @@ static void ci_hdrc_msm_notify_event(struct ci_hdrc *ci, unsigned event) { struct device *dev = ci->gadget.dev.parent; - int val; switch (event) { case CI_HDRC_CONTROLLER_RESET_EVENT: dev_dbg(dev, "CI_HDRC_CONTROLLER_RESET_EVENT received\n"); writel(0, USB_AHBBURST); writel(0, USB_AHBMODE); + usb_phy_init(ci->transceiver); break; case CI_HDRC_CONTROLLER_STOPPED_EVENT: dev_dbg(dev, "CI_HDRC_CONTROLLER_STOPPED_EVENT received\n"); @@ -34,10 +34,7 @@ static void ci_hdrc_msm_notify_event(struct ci_hdrc *ci, unsigned event) * Put the transceiver in non-driving mode. Otherwise host * may not detect soft-disconnection. */ - val = usb_phy_io_read(ci->transceiver, ULPI_FUNC_CTRL); - val &= ~ULPI_FUNC_CTRL_OPMODE_MASK; - val |= ULPI_FUNC_CTRL_OPMODE_NONDRIVING; - usb_phy_io_write(ci->transceiver, val, ULPI_FUNC_CTRL); + usb_phy_notify_disconnect(ci->transceiver, USB_SPEED_UNKNOWN); break; default: dev_dbg(dev, "unknown ci_hdrc event\n"); diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 8a4dcbc7a75..d481c99a20d 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -1728,8 +1728,14 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id) * - Change autosuspend delay of hub can avoid unnecessary auto * suspend timer for hub, also may decrease power consumption * of USB bus. + * + * - If user has indicated to prevent autosuspend by passing + * usbcore.autosuspend = -1 then keep autosuspend disabled. */ - pm_runtime_set_autosuspend_delay(&hdev->dev, 0); +#ifdef CONFIG_PM_RUNTIME + if (hdev->dev.power.autosuspend_delay >= 0) + pm_runtime_set_autosuspend_delay(&hdev->dev, 0); +#endif /* * Hubs have proper suspend/resume support, except for root hubs @@ -2107,8 +2113,8 @@ void usb_disconnect(struct usb_device **pdev) { struct usb_port *port_dev = NULL; struct usb_device *udev = *pdev; - struct usb_hub *hub; - int port1; + struct usb_hub *hub = NULL; + int port1 = 1; /* mark the device as inactive, so any further urb submissions for * this device (and any of its children) will fail immediately. @@ -4631,9 +4637,7 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus, if (status != -ENODEV && port1 != unreliable_port && printk_ratelimit()) - dev_err(&udev->dev, "connect-debounce failed, port %d disabled\n", - port1); - + dev_err(&port_dev->dev, "connect-debounce failed\n"); portstatus &= ~USB_PORT_STAT_CONNECTION; unreliable_port = port1; } else { @@ -5020,9 +5024,10 @@ static void hub_events(void) hub = list_entry(tmp, struct usb_hub, event_list); kref_get(&hub->kref); + hdev = hub->hdev; + usb_get_dev(hdev); spin_unlock_irq(&hub_event_lock); - hdev = hub->hdev; hub_dev = hub->intfdev; intf = to_usb_interface(hub_dev); dev_dbg(hub_dev, "state %d ports %d chg %04x evt %04x\n", @@ -5135,6 +5140,7 @@ static void hub_events(void) usb_autopm_put_interface(intf); loop_disconnected: usb_unlock_device(hdev); + usb_put_dev(hdev); kref_put(&hub->kref, hub_release); } /* end while (1) */ diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index 0ba9c335b58..ce6071d65d5 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -1649,6 +1649,7 @@ static void s3c_hsotg_txfifo_flush(struct s3c_hsotg *hsotg, unsigned int idx) dev_err(hsotg->dev, "%s: timeout flushing fifo (GRSTCTL=%08x)\n", __func__, val); + break; } udelay(1); @@ -1901,7 +1902,7 @@ static void s3c_hsotg_epint(struct s3c_hsotg *hsotg, unsigned int idx, static void s3c_hsotg_irq_enumdone(struct s3c_hsotg *hsotg) { u32 dsts = readl(hsotg->regs + DSTS); - int ep0_mps = 0, ep_mps; + int ep0_mps = 0, ep_mps = 8; /* * This should signal the finish of the enumeration phase @@ -2747,13 +2748,14 @@ static void s3c_hsotg_phy_enable(struct s3c_hsotg *hsotg) dev_dbg(hsotg->dev, "pdev 0x%p\n", pdev); - if (hsotg->phy) { - phy_init(hsotg->phy); - phy_power_on(hsotg->phy); - } else if (hsotg->uphy) + if (hsotg->uphy) usb_phy_init(hsotg->uphy); - else if (hsotg->plat->phy_init) + else if (hsotg->plat && hsotg->plat->phy_init) hsotg->plat->phy_init(pdev, hsotg->plat->phy_type); + else { + phy_init(hsotg->phy); + phy_power_on(hsotg->phy); + } } /** @@ -2767,13 +2769,14 @@ static void s3c_hsotg_phy_disable(struct s3c_hsotg *hsotg) { struct platform_device *pdev = to_platform_device(hsotg->dev); - if (hsotg->phy) { - phy_power_off(hsotg->phy); - phy_exit(hsotg->phy); - } else if (hsotg->uphy) + if (hsotg->uphy) usb_phy_shutdown(hsotg->uphy); - else if (hsotg->plat->phy_exit) + else if (hsotg->plat && hsotg->plat->phy_exit) hsotg->plat->phy_exit(pdev, hsotg->plat->phy_type); + else { + phy_power_off(hsotg->phy); + phy_exit(hsotg->phy); + } } /** @@ -2892,13 +2895,11 @@ static int s3c_hsotg_udc_stop(struct usb_gadget *gadget, return -ENODEV; /* all endpoints should be shutdown */ - for (ep = 0; ep < hsotg->num_of_eps; ep++) + for (ep = 1; ep < hsotg->num_of_eps; ep++) s3c_hsotg_ep_disable(&hsotg->eps[ep].ep); spin_lock_irqsave(&hsotg->lock, flags); - s3c_hsotg_phy_disable(hsotg); - if (!driver) hsotg->driver = NULL; @@ -2941,7 +2942,6 @@ static int s3c_hsotg_pullup(struct usb_gadget *gadget, int is_on) s3c_hsotg_phy_enable(hsotg); s3c_hsotg_core_init(hsotg); } else { - s3c_hsotg_disconnect(hsotg); s3c_hsotg_phy_disable(hsotg); } @@ -3441,13 +3441,6 @@ static int s3c_hsotg_probe(struct platform_device *pdev) hsotg->irq = ret; - ret = devm_request_irq(&pdev->dev, hsotg->irq, s3c_hsotg_irq, 0, - dev_name(dev), hsotg); - if (ret < 0) { - dev_err(dev, "cannot claim IRQ\n"); - goto err_clk; - } - dev_info(dev, "regs %p, irq %d\n", hsotg->regs, hsotg->irq); hsotg->gadget.max_speed = USB_SPEED_HIGH; @@ -3488,9 +3481,6 @@ static int s3c_hsotg_probe(struct platform_device *pdev) if (hsotg->phy && (phy_get_bus_width(phy) == 8)) hsotg->phyif = GUSBCFG_PHYIF8; - if (hsotg->phy) - phy_init(hsotg->phy); - /* usb phy enable */ s3c_hsotg_phy_enable(hsotg); @@ -3498,6 +3488,17 @@ static int s3c_hsotg_probe(struct platform_device *pdev) s3c_hsotg_init(hsotg); s3c_hsotg_hw_cfg(hsotg); + ret = devm_request_irq(&pdev->dev, hsotg->irq, s3c_hsotg_irq, 0, + dev_name(dev), hsotg); + if (ret < 0) { + s3c_hsotg_phy_disable(hsotg); + clk_disable_unprepare(hsotg->clk); + regulator_bulk_disable(ARRAY_SIZE(hsotg->supplies), + hsotg->supplies); + dev_err(dev, "cannot claim IRQ\n"); + goto err_clk; + } + /* hsotg->num_of_eps holds number of EPs other than ep0 */ if (hsotg->num_of_eps == 0) { @@ -3582,9 +3583,6 @@ static int s3c_hsotg_remove(struct platform_device *pdev) usb_gadget_unregister_driver(hsotg->driver); } - s3c_hsotg_phy_disable(hsotg); - if (hsotg->phy) - phy_exit(hsotg->phy); clk_disable_unprepare(hsotg->clk); return 0; diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index b769c1faaf0..9069984fe5c 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -799,20 +799,21 @@ static int dwc3_remove(struct platform_device *pdev) { struct dwc3 *dwc = platform_get_drvdata(pdev); + dwc3_debugfs_exit(dwc); + dwc3_core_exit_mode(dwc); + dwc3_event_buffers_cleanup(dwc); + dwc3_free_event_buffers(dwc); + usb_phy_set_suspend(dwc->usb2_phy, 1); usb_phy_set_suspend(dwc->usb3_phy, 1); phy_power_off(dwc->usb2_generic_phy); phy_power_off(dwc->usb3_generic_phy); + dwc3_core_exit(dwc); + pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); - dwc3_debugfs_exit(dwc); - dwc3_core_exit_mode(dwc); - dwc3_event_buffers_cleanup(dwc); - dwc3_free_event_buffers(dwc); - dwc3_core_exit(dwc); - return 0; } diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index ef4936ff626..fc0de375364 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -425,7 +425,7 @@ static void dwc3_omap_set_utmi_mode(struct dwc3_omap *omap) static int dwc3_omap_extcon_register(struct dwc3_omap *omap) { - u32 ret; + int ret; struct device_node *node = omap->dev->of_node; struct extcon_dev *edev; @@ -576,9 +576,9 @@ static int dwc3_omap_remove(struct platform_device *pdev) if (omap->extcon_id_dev.edev) extcon_unregister_interest(&omap->extcon_id_dev); dwc3_omap_disable_irqs(omap); + device_for_each_child(&pdev->dev, NULL, dwc3_omap_remove_core); pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); - device_for_each_child(&pdev->dev, NULL, dwc3_omap_remove_core); return 0; } diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 349cacc577d..490a6ca0073 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -527,7 +527,7 @@ static int dwc3_gadget_set_ep_config(struct dwc3 *dwc, struct dwc3_ep *dep, dep->stream_capable = true; } - if (usb_endpoint_xfer_isoc(desc)) + if (!usb_endpoint_xfer_control(desc)) params.param1 |= DWC3_DEPCFG_XFER_IN_PROGRESS_EN; /* @@ -1225,16 +1225,17 @@ static int dwc3_gadget_ep_queue(struct usb_ep *ep, struct usb_request *request, int ret; + spin_lock_irqsave(&dwc->lock, flags); if (!dep->endpoint.desc) { dev_dbg(dwc->dev, "trying to queue request %p to disabled %s\n", request, ep->name); + spin_unlock_irqrestore(&dwc->lock, flags); return -ESHUTDOWN; } dev_vdbg(dwc->dev, "queing request %p to %s length %d\n", request, ep->name, request->length); - spin_lock_irqsave(&dwc->lock, flags); ret = __dwc3_gadget_ep_queue(dep, req); spin_unlock_irqrestore(&dwc->lock, flags); @@ -2041,12 +2042,6 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc, dwc3_endpoint_transfer_complete(dwc, dep, event); break; case DWC3_DEPEVT_XFERINPROGRESS: - if (!usb_endpoint_xfer_isoc(dep->endpoint.desc)) { - dev_dbg(dwc->dev, "%s is not an Isochronous endpoint\n", - dep->name); - return; - } - dwc3_endpoint_transfer_complete(dwc, dep, event); break; case DWC3_DEPEVT_XFERNOTREADY: diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile index a186afeaa70..9add915d41f 100644 --- a/drivers/usb/gadget/Makefile +++ b/drivers/usb/gadget/Makefile @@ -3,7 +3,7 @@ # subdir-ccflags-$(CONFIG_USB_GADGET_DEBUG) := -DDEBUG subdir-ccflags-$(CONFIG_USB_GADGET_VERBOSE) += -DVERBOSE_DEBUG -ccflags-y += -I$(PWD)/drivers/usb/gadget/udc +ccflags-y += -Idrivers/usb/gadget/udc obj-$(CONFIG_USB_LIBCOMPOSITE) += libcomposite.o libcomposite-y := usbstring.o config.o epautoconf.o diff --git a/drivers/usb/gadget/function/Makefile b/drivers/usb/gadget/function/Makefile index 6d91f21b52a..83ae1065149 100644 --- a/drivers/usb/gadget/function/Makefile +++ b/drivers/usb/gadget/function/Makefile @@ -2,8 +2,8 @@ # USB peripheral controller drivers # -ccflags-y := -I$(PWD)/drivers/usb/gadget/ -ccflags-y += -I$(PWD)/drivers/usb/gadget/udc/ +ccflags-y := -Idrivers/usb/gadget/ +ccflags-y += -Idrivers/usb/gadget/udc/ # USB Functions usb_f_acm-y := f_acm.o diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index dc30adf15a0..0dc3552d136 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -155,6 +155,12 @@ struct ffs_io_data { struct usb_request *req; }; +struct ffs_desc_helper { + struct ffs_data *ffs; + unsigned interfaces_count; + unsigned eps_count; +}; + static int __must_check ffs_epfiles_create(struct ffs_data *ffs); static void ffs_epfiles_destroy(struct ffs_epfile *epfiles, unsigned count); @@ -1830,7 +1836,8 @@ static int __ffs_data_do_entity(enum ffs_entity_type type, u8 *valuep, struct usb_descriptor_header *desc, void *priv) { - struct ffs_data *ffs = priv; + struct ffs_desc_helper *helper = priv; + struct usb_endpoint_descriptor *d; ENTER(); @@ -1844,8 +1851,8 @@ static int __ffs_data_do_entity(enum ffs_entity_type type, * encountered interface "n" then there are at least * "n+1" interfaces. */ - if (*valuep >= ffs->interfaces_count) - ffs->interfaces_count = *valuep + 1; + if (*valuep >= helper->interfaces_count) + helper->interfaces_count = *valuep + 1; break; case FFS_STRING: @@ -1853,14 +1860,22 @@ static int __ffs_data_do_entity(enum ffs_entity_type type, * Strings are indexed from 1 (0 is magic ;) reserved * for languages list or some such) */ - if (*valuep > ffs->strings_count) - ffs->strings_count = *valuep; + if (*valuep > helper->ffs->strings_count) + helper->ffs->strings_count = *valuep; break; case FFS_ENDPOINT: - /* Endpoints are indexed from 1 as well. */ - if ((*valuep & USB_ENDPOINT_NUMBER_MASK) > ffs->eps_count) - ffs->eps_count = (*valuep & USB_ENDPOINT_NUMBER_MASK); + d = (void *)desc; + helper->eps_count++; + if (helper->eps_count >= 15) + return -EINVAL; + /* Check if descriptors for any speed were already parsed */ + if (!helper->ffs->eps_count && !helper->ffs->interfaces_count) + helper->ffs->eps_addrmap[helper->eps_count] = + d->bEndpointAddress; + else if (helper->ffs->eps_addrmap[helper->eps_count] != + d->bEndpointAddress) + return -EINVAL; break; } @@ -2053,6 +2068,7 @@ static int __ffs_data_got_descs(struct ffs_data *ffs, char *data = _data, *raw_descs; unsigned os_descs_count = 0, counts[3], flags; int ret = -EINVAL, i; + struct ffs_desc_helper helper; ENTER(); @@ -2101,13 +2117,29 @@ static int __ffs_data_got_descs(struct ffs_data *ffs, /* Read descriptors */ raw_descs = data; + helper.ffs = ffs; for (i = 0; i < 3; ++i) { if (!counts[i]) continue; + helper.interfaces_count = 0; + helper.eps_count = 0; ret = ffs_do_descs(counts[i], data, len, - __ffs_data_do_entity, ffs); + __ffs_data_do_entity, &helper); if (ret < 0) goto error; + if (!ffs->eps_count && !ffs->interfaces_count) { + ffs->eps_count = helper.eps_count; + ffs->interfaces_count = helper.interfaces_count; + } else { + if (ffs->eps_count != helper.eps_count) { + ret = -EINVAL; + goto error; + } + if (ffs->interfaces_count != helper.interfaces_count) { + ret = -EINVAL; + goto error; + } + } data += ret; len -= ret; } @@ -2342,9 +2374,18 @@ static void ffs_event_add(struct ffs_data *ffs, spin_unlock_irqrestore(&ffs->ev.waitq.lock, flags); } - /* Bind/unbind USB function hooks *******************************************/ +static int ffs_ep_addr2idx(struct ffs_data *ffs, u8 endpoint_address) +{ + int i; + + for (i = 1; i < ARRAY_SIZE(ffs->eps_addrmap); ++i) + if (ffs->eps_addrmap[i] == endpoint_address) + return i; + return -ENOENT; +} + static int __ffs_func_bind_do_descs(enum ffs_entity_type type, u8 *valuep, struct usb_descriptor_header *desc, void *priv) @@ -2378,7 +2419,10 @@ static int __ffs_func_bind_do_descs(enum ffs_entity_type type, u8 *valuep, if (!desc || desc->bDescriptorType != USB_DT_ENDPOINT) return 0; - idx = (ds->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK) - 1; + idx = ffs_ep_addr2idx(func->ffs, ds->bEndpointAddress) - 1; + if (idx < 0) + return idx; + ffs_ep = func->eps + idx; if (unlikely(ffs_ep->descs[ep_desc_id])) { diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c index d50adda913c..6e6f87656e7 100644 --- a/drivers/usb/gadget/function/u_ether.c +++ b/drivers/usb/gadget/function/u_ether.c @@ -1127,10 +1127,7 @@ void gether_disconnect(struct gether *link) DBG(dev, "%s\n", __func__); - netif_tx_lock(dev->net); netif_stop_queue(dev->net); - netif_tx_unlock(dev->net); - netif_carrier_off(dev->net); /* disable endpoints, forcing (synchronous) completion diff --git a/drivers/usb/gadget/function/u_fs.h b/drivers/usb/gadget/function/u_fs.h index 63d6e71569c..d48897e8ffe 100644 --- a/drivers/usb/gadget/function/u_fs.h +++ b/drivers/usb/gadget/function/u_fs.h @@ -224,6 +224,8 @@ struct ffs_data { void *ms_os_descs_ext_prop_name_avail; void *ms_os_descs_ext_prop_data_avail; + u8 eps_addrmap[15]; + unsigned short strings_count; unsigned short interfaces_count; unsigned short eps_count; diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c index 71e896d4c5a..a5eb9a3fbb7 100644 --- a/drivers/usb/gadget/function/uvc_video.c +++ b/drivers/usb/gadget/function/uvc_video.c @@ -195,6 +195,7 @@ uvc_video_complete(struct usb_ep *ep, struct usb_request *req) printk(KERN_INFO "Failed to queue request (%d).\n", ret); usb_ep_set_halt(ep); spin_unlock_irqrestore(&video->queue.irqlock, flags); + uvc_queue_cancel(queue, 0); goto requeue; } spin_unlock_irqrestore(&video->queue.irqlock, flags); @@ -281,6 +282,7 @@ error: static int uvc_video_pump(struct uvc_video *video) { + struct uvc_video_queue *queue = &video->queue; struct usb_request *req; struct uvc_buffer *buf; unsigned long flags; @@ -322,6 +324,7 @@ uvc_video_pump(struct uvc_video *video) printk(KERN_INFO "Failed to queue request (%d)\n", ret); usb_ep_set_halt(video->ep); spin_unlock_irqrestore(&video->queue.irqlock, flags); + uvc_queue_cancel(queue, 0); break; } spin_unlock_irqrestore(&video->queue.irqlock, flags); diff --git a/drivers/usb/gadget/legacy/Makefile b/drivers/usb/gadget/legacy/Makefile index a11aad5635d..edba2d1ee0f 100644 --- a/drivers/usb/gadget/legacy/Makefile +++ b/drivers/usb/gadget/legacy/Makefile @@ -2,9 +2,9 @@ # USB gadget drivers # -ccflags-y := -I$(PWD)/drivers/usb/gadget/ -ccflags-y += -I$(PWD)/drivers/usb/gadget/udc/ -ccflags-y += -I$(PWD)/drivers/usb/gadget/function/ +ccflags-y := -Idrivers/usb/gadget/ +ccflags-y += -Idrivers/usb/gadget/udc/ +ccflags-y += -Idrivers/usb/gadget/function/ g_zero-y := zero.o g_audio-y := audio.o diff --git a/drivers/usb/gadget/legacy/dbgp.c b/drivers/usb/gadget/legacy/dbgp.c index 986fc511a2e..225e385a616 100644 --- a/drivers/usb/gadget/legacy/dbgp.c +++ b/drivers/usb/gadget/legacy/dbgp.c @@ -222,10 +222,12 @@ static void dbgp_unbind(struct usb_gadget *gadget) { #ifdef CONFIG_USB_G_DBGP_SERIAL kfree(dbgp.serial); + dbgp.serial = NULL; #endif if (dbgp.req) { kfree(dbgp.req->buf); usb_ep_free_request(gadget->ep0, dbgp.req); + dbgp.req = NULL; } gadget->ep0->driver_data = NULL; diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c index 2e4ce770490..e96077b8bf7 100644 --- a/drivers/usb/gadget/legacy/inode.c +++ b/drivers/usb/gadget/legacy/inode.c @@ -440,7 +440,7 @@ ep_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) value = -ENOMEM; kbuf = memdup_user(buf, len); - if (!kbuf) { + if (IS_ERR(kbuf)) { value = PTR_ERR(kbuf); goto free1; } diff --git a/drivers/usb/gadget/udc/Kconfig b/drivers/usb/gadget/udc/Kconfig index 5151f947a4f..34ebaa68504 100644 --- a/drivers/usb/gadget/udc/Kconfig +++ b/drivers/usb/gadget/udc/Kconfig @@ -332,7 +332,7 @@ config USB_GOKU gadget drivers to also be dynamically linked. config USB_EG20T - tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7213/ML7831) UDC" + tristate "Intel QUARK X1000/EG20T PCH/LAPIS Semiconductor IOH(ML7213/ML7831) UDC" depends on PCI help This is a USB device driver for EG20T PCH. @@ -353,6 +353,7 @@ config USB_EG20T ML7213/ML7831 is companion chip for Intel Atom E6xx series. ML7213/ML7831 is completely compatible for Intel EG20T PCH. + This driver can be used with Intel's Quark X1000 SOC platform # # LAST -- dummy/emulated controller # diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c index 906e65f0e4f..c9fe67e29d3 100644 --- a/drivers/usb/gadget/udc/atmel_usba_udc.c +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c @@ -1661,7 +1661,7 @@ static irqreturn_t usba_udc_irq(int irq, void *devid) if (dma_status) { int i; - for (i = 1; i < USBA_NR_DMAS; i++) + for (i = 1; i <= USBA_NR_DMAS; i++) if (dma_status & (1 << i)) usba_dma_irq(udc, &udc->usba_ep[i]); } diff --git a/drivers/usb/gadget/udc/fusb300_udc.c b/drivers/usb/gadget/udc/fusb300_udc.c index d40255f784d..5c5d1adda7e 100644 --- a/drivers/usb/gadget/udc/fusb300_udc.c +++ b/drivers/usb/gadget/udc/fusb300_udc.c @@ -1398,13 +1398,17 @@ static int fusb300_probe(struct platform_device *pdev) /* initialize udc */ fusb300 = kzalloc(sizeof(struct fusb300), GFP_KERNEL); - if (fusb300 == NULL) + if (fusb300 == NULL) { + ret = -ENOMEM; goto clean_up; + } for (i = 0; i < FUSB300_MAX_NUM_EP; i++) { _ep[i] = kzalloc(sizeof(struct fusb300_ep), GFP_KERNEL); - if (_ep[i] == NULL) + if (_ep[i] == NULL) { + ret = -ENOMEM; goto clean_up; + } fusb300->ep[i] = _ep[i]; } diff --git a/drivers/usb/gadget/udc/fusb300_udc.h b/drivers/usb/gadget/udc/fusb300_udc.h index ae811d8d38b..ad39f892d20 100644 --- a/drivers/usb/gadget/udc/fusb300_udc.h +++ b/drivers/usb/gadget/udc/fusb300_udc.h @@ -12,7 +12,7 @@ #ifndef __FUSB300_UDC_H__ -#define __FUSB300_UDC_H_ +#define __FUSB300_UDC_H__ #include <linux/kernel.h> diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c index f4eac113690..2e95715b50c 100644 --- a/drivers/usb/gadget/udc/net2280.c +++ b/drivers/usb/gadget/udc/net2280.c @@ -3320,7 +3320,7 @@ static void handle_stat1_irqs(struct net2280 *dev, u32 stat) if (stat & tmp) { writel(tmp, &dev->regs->irqstat1); if ((((stat & BIT(ROOT_PORT_RESET_INTERRUPT)) && - (readl(&dev->usb->usbstat) & mask)) || + ((readl(&dev->usb->usbstat) & mask) == 0)) || ((readl(&dev->usb->usbctl) & BIT(VBUS_PIN)) == 0)) && (dev->gadget.speed != USB_SPEED_UNKNOWN)) { diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c index eb8c3bedb57..460d953c91b 100644 --- a/drivers/usb/gadget/udc/pch_udc.c +++ b/drivers/usb/gadget/udc/pch_udc.c @@ -343,6 +343,7 @@ struct pch_vbus_gpio_data { * @setup_data: Received setup data * @phys_addr: of device memory * @base_addr: for mapped device memory + * @bar: Indicates which PCI BAR for USB regs * @irq: IRQ line for the device * @cfg_data: current cfg, intf, and alt in use * @vbus_gpio: GPIO informaton for detecting VBUS @@ -370,14 +371,17 @@ struct pch_udc_dev { struct usb_ctrlrequest setup_data; unsigned long phys_addr; void __iomem *base_addr; + unsigned bar; unsigned irq; struct pch_udc_cfg_data cfg_data; struct pch_vbus_gpio_data vbus_gpio; }; #define to_pch_udc(g) (container_of((g), struct pch_udc_dev, gadget)) +#define PCH_UDC_PCI_BAR_QUARK_X1000 0 #define PCH_UDC_PCI_BAR 1 #define PCI_DEVICE_ID_INTEL_EG20T_UDC 0x8808 +#define PCI_DEVICE_ID_INTEL_QUARK_X1000_UDC 0x0939 #define PCI_VENDOR_ID_ROHM 0x10DB #define PCI_DEVICE_ID_ML7213_IOH_UDC 0x801D #define PCI_DEVICE_ID_ML7831_IOH_UDC 0x8808 @@ -3076,7 +3080,7 @@ static void pch_udc_remove(struct pci_dev *pdev) iounmap(dev->base_addr); if (dev->mem_region) release_mem_region(dev->phys_addr, - pci_resource_len(pdev, PCH_UDC_PCI_BAR)); + pci_resource_len(pdev, dev->bar)); if (dev->active) pci_disable_device(pdev); kfree(dev); @@ -3144,9 +3148,15 @@ static int pch_udc_probe(struct pci_dev *pdev, dev->active = 1; pci_set_drvdata(pdev, dev); + /* Determine BAR based on PCI ID */ + if (id->device == PCI_DEVICE_ID_INTEL_QUARK_X1000_UDC) + dev->bar = PCH_UDC_PCI_BAR_QUARK_X1000; + else + dev->bar = PCH_UDC_PCI_BAR; + /* PCI resource allocation */ - resource = pci_resource_start(pdev, 1); - len = pci_resource_len(pdev, 1); + resource = pci_resource_start(pdev, dev->bar); + len = pci_resource_len(pdev, dev->bar); if (!request_mem_region(resource, len, KBUILD_MODNAME)) { dev_err(&pdev->dev, "%s: pci device used already\n", __func__); @@ -3212,6 +3222,12 @@ finished: static const struct pci_device_id pch_udc_pcidev_id[] = { { + PCI_DEVICE(PCI_VENDOR_ID_INTEL, + PCI_DEVICE_ID_INTEL_QUARK_X1000_UDC), + .class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe, + .class_mask = 0xffffffff, + }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_EG20T_UDC), .class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe, .class_mask = 0xffffffff, diff --git a/drivers/usb/gadget/udc/r8a66597-udc.c b/drivers/usb/gadget/udc/r8a66597-udc.c index 46008421c1e..de2a8713b42 100644 --- a/drivers/usb/gadget/udc/r8a66597-udc.c +++ b/drivers/usb/gadget/udc/r8a66597-udc.c @@ -1868,8 +1868,8 @@ static int r8a66597_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); reg = devm_ioremap_resource(&pdev->dev, res); - if (!reg) - return -ENODEV; + if (IS_ERR(reg)) + return PTR_ERR(reg); ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0); irq = ires->start; diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index cc305c71ac3..6130b757490 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -1230,7 +1230,7 @@ int ehci_hub_control( if (selector == EHSET_TEST_SINGLE_STEP_SET_FEATURE) { spin_unlock_irqrestore(&ehci->lock, flags); retval = ehset_single_step_set_feature(hcd, - wIndex); + wIndex + 1); spin_lock_irqsave(&ehci->lock, flags); break; } diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index aa79e874904..69aece31143 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -468,7 +468,8 @@ static void xhci_hub_report_usb2_link_state(u32 *status, u32 status_reg) } /* Updates Link Status for super Speed port */ -static void xhci_hub_report_usb3_link_state(u32 *status, u32 status_reg) +static void xhci_hub_report_usb3_link_state(struct xhci_hcd *xhci, + u32 *status, u32 status_reg) { u32 pls = status_reg & PORT_PLS_MASK; @@ -507,7 +508,8 @@ static void xhci_hub_report_usb3_link_state(u32 *status, u32 status_reg) * in which sometimes the port enters compliance mode * caused by a delay on the host-device negotiation. */ - if (pls == USB_SS_PORT_LS_COMP_MOD) + if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) && + (pls == USB_SS_PORT_LS_COMP_MOD)) pls |= USB_PORT_STAT_CONNECTION; } @@ -666,7 +668,7 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd, } /* Update Port Link State */ if (hcd->speed == HCD_USB3) { - xhci_hub_report_usb3_link_state(&status, raw_port_status); + xhci_hub_report_usb3_link_state(xhci, &status, raw_port_status); /* * Verify if all USB3 Ports Have entered U0 already. * Delete Compliance Mode Timer if so. diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 8056d90690e..8936211b161 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1812,6 +1812,7 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci) if (xhci->lpm_command) xhci_free_command(xhci, xhci->lpm_command); + xhci->lpm_command = NULL; if (xhci->cmd_ring) xhci_ring_free(xhci, xhci->cmd_ring); xhci->cmd_ring = NULL; @@ -1819,7 +1820,7 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci) xhci_cleanup_command_queue(xhci); num_ports = HCS_MAX_PORTS(xhci->hcs_params1); - for (i = 0; i < num_ports; i++) { + for (i = 0; i < num_ports && xhci->rh_bw; i++) { struct xhci_interval_bw_table *bwt = &xhci->rh_bw[i].bw_table; for (j = 0; j < XHCI_MAX_INTERVAL; j++) { struct list_head *ep = &bwt->interval_bw[j].endpoints; diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 687d3660815..c22a3e15a16 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -101,6 +101,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) /* AMD PLL quirk */ if (pdev->vendor == PCI_VENDOR_ID_AMD && usb_amd_find_chipset_info()) xhci->quirks |= XHCI_AMD_PLL_FIX; + + if (pdev->vendor == PCI_VENDOR_ID_AMD) + xhci->quirks |= XHCI_TRUST_TX_LENGTH; + if (pdev->vendor == PCI_VENDOR_ID_INTEL) { xhci->quirks |= XHCI_LPM_SUPPORT; xhci->quirks |= XHCI_INTEL_HOST; @@ -151,6 +155,11 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) if (pdev->vendor == PCI_VENDOR_ID_VIA) xhci->quirks |= XHCI_RESET_ON_RESUME; + /* See https://bugzilla.kernel.org/show_bug.cgi?id=79511 */ + if (pdev->vendor == PCI_VENDOR_ID_VIA && + pdev->device == 0x3432) + xhci->quirks |= XHCI_BROKEN_STREAMS; + if (xhci->quirks & XHCI_RESET_ON_RESUME) xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, "QUIRK: Resetting on resume"); diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 60fb52ae864..abed30b8290 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -364,32 +364,6 @@ static void ring_doorbell_for_active_rings(struct xhci_hcd *xhci, } } -/* - * Find the segment that trb is in. Start searching in start_seg. - * If we must move past a segment that has a link TRB with a toggle cycle state - * bit set, then we will toggle the value pointed at by cycle_state. - */ -static struct xhci_segment *find_trb_seg( - struct xhci_segment *start_seg, - union xhci_trb *trb, int *cycle_state) -{ - struct xhci_segment *cur_seg = start_seg; - struct xhci_generic_trb *generic_trb; - - while (cur_seg->trbs > trb || - &cur_seg->trbs[TRBS_PER_SEGMENT - 1] < trb) { - generic_trb = &cur_seg->trbs[TRBS_PER_SEGMENT - 1].generic; - if (generic_trb->field[3] & cpu_to_le32(LINK_TOGGLE)) - *cycle_state ^= 0x1; - cur_seg = cur_seg->next; - if (cur_seg == start_seg) - /* Looped over the entire list. Oops! */ - return NULL; - } - return cur_seg; -} - - static struct xhci_ring *xhci_triad_to_transfer_ring(struct xhci_hcd *xhci, unsigned int slot_id, unsigned int ep_index, unsigned int stream_id) @@ -459,9 +433,12 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci, struct xhci_virt_device *dev = xhci->devs[slot_id]; struct xhci_virt_ep *ep = &dev->eps[ep_index]; struct xhci_ring *ep_ring; - struct xhci_generic_trb *trb; + struct xhci_segment *new_seg; + union xhci_trb *new_deq; dma_addr_t addr; u64 hw_dequeue; + bool cycle_found = false; + bool td_last_trb_found = false; ep_ring = xhci_triad_to_transfer_ring(xhci, slot_id, ep_index, stream_id); @@ -486,45 +463,45 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci, hw_dequeue = le64_to_cpu(ep_ctx->deq); } - /* Find virtual address and segment of hardware dequeue pointer */ - state->new_deq_seg = ep_ring->deq_seg; - state->new_deq_ptr = ep_ring->dequeue; - while (xhci_trb_virt_to_dma(state->new_deq_seg, state->new_deq_ptr) - != (dma_addr_t)(hw_dequeue & ~0xf)) { - next_trb(xhci, ep_ring, &state->new_deq_seg, - &state->new_deq_ptr); - if (state->new_deq_ptr == ep_ring->dequeue) { - WARN_ON(1); - return; - } - } + new_seg = ep_ring->deq_seg; + new_deq = ep_ring->dequeue; + state->new_cycle_state = hw_dequeue & 0x1; + /* - * Find cycle state for last_trb, starting at old cycle state of - * hw_dequeue. If there is only one segment ring, find_trb_seg() will - * return immediately and cannot toggle the cycle state if this search - * wraps around, so add one more toggle manually in that case. + * We want to find the pointer, segment and cycle state of the new trb + * (the one after current TD's last_trb). We know the cycle state at + * hw_dequeue, so walk the ring until both hw_dequeue and last_trb are + * found. */ - state->new_cycle_state = hw_dequeue & 0x1; - if (ep_ring->first_seg == ep_ring->first_seg->next && - cur_td->last_trb < state->new_deq_ptr) - state->new_cycle_state ^= 0x1; + do { + if (!cycle_found && xhci_trb_virt_to_dma(new_seg, new_deq) + == (dma_addr_t)(hw_dequeue & ~0xf)) { + cycle_found = true; + if (td_last_trb_found) + break; + } + if (new_deq == cur_td->last_trb) + td_last_trb_found = true; - state->new_deq_ptr = cur_td->last_trb; - xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, - "Finding segment containing last TRB in TD."); - state->new_deq_seg = find_trb_seg(state->new_deq_seg, - state->new_deq_ptr, &state->new_cycle_state); - if (!state->new_deq_seg) { - WARN_ON(1); - return; - } + if (cycle_found && + TRB_TYPE_LINK_LE32(new_deq->generic.field[3]) && + new_deq->generic.field[3] & cpu_to_le32(LINK_TOGGLE)) + state->new_cycle_state ^= 0x1; + + next_trb(xhci, ep_ring, &new_seg, &new_deq); + + /* Search wrapped around, bail out */ + if (new_deq == ep->ring->dequeue) { + xhci_err(xhci, "Error: Failed finding new dequeue state\n"); + state->new_deq_seg = NULL; + state->new_deq_ptr = NULL; + return; + } + + } while (!cycle_found || !td_last_trb_found); - /* Increment to find next TRB after last_trb. Cycle if appropriate. */ - trb = &state->new_deq_ptr->generic; - if (TRB_TYPE_LINK_LE32(trb->field[3]) && - (trb->field[3] & cpu_to_le32(LINK_TOGGLE))) - state->new_cycle_state ^= 0x1; - next_trb(xhci, ep_ring, &state->new_deq_seg, &state->new_deq_ptr); + state->new_deq_seg = new_seg; + state->new_deq_ptr = new_deq; /* Don't update the ring cycle state for the producer (us). */ xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, @@ -2487,7 +2464,8 @@ static int handle_tx_event(struct xhci_hcd *xhci, * last TRB of the previous TD. The command completion handle * will take care the rest. */ - if (!event_seg && trb_comp_code == COMP_STOP_INVAL) { + if (!event_seg && (trb_comp_code == COMP_STOP || + trb_comp_code == COMP_STOP_INVAL)) { ret = 0; goto cleanup; } diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index b6f21175b87..c4a8fca8ae9 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -2880,6 +2880,9 @@ void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci, ep_index, ep->stopped_stream, ep->stopped_td, &deq_state); + if (!deq_state.new_deq_ptr || !deq_state.new_deq_seg) + return; + /* HW with the reset endpoint quirk will use the saved dequeue state to * issue a configure endpoint command later. */ @@ -3968,13 +3971,21 @@ static int __maybe_unused xhci_change_max_exit_latency(struct xhci_hcd *xhci, int ret; spin_lock_irqsave(&xhci->lock, flags); - if (max_exit_latency == xhci->devs[udev->slot_id]->current_mel) { + + virt_dev = xhci->devs[udev->slot_id]; + + /* + * virt_dev might not exists yet if xHC resumed from hibernate (S4) and + * xHC was re-initialized. Exit latency will be set later after + * hub_port_finish_reset() is done and xhci->devs[] are re-allocated + */ + + if (!virt_dev || max_exit_latency == virt_dev->current_mel) { spin_unlock_irqrestore(&xhci->lock, flags); return 0; } /* Attempt to issue an Evaluate Context command to change the MEL. */ - virt_dev = xhci->devs[udev->slot_id]; command = xhci->lpm_command; ctrl_ctx = xhci_get_input_control_ctx(xhci, command->in_ctx); if (!ctrl_ctx) { diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c index 06b5d77cd9a..633caf64312 100644 --- a/drivers/usb/misc/sisusbvga/sisusb.c +++ b/drivers/usb/misc/sisusbvga/sisusb.c @@ -3250,6 +3250,7 @@ static const struct usb_device_id sisusb_table[] = { { USB_DEVICE(0x0711, 0x0918) }, { USB_DEVICE(0x0711, 0x0920) }, { USB_DEVICE(0x0711, 0x0950) }, + { USB_DEVICE(0x0711, 0x5200) }, { USB_DEVICE(0x182d, 0x021c) }, { USB_DEVICE(0x182d, 0x0269) }, { } diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c index 47ae6455d07..3ee133f675a 100644 --- a/drivers/usb/musb/musb_cppi41.c +++ b/drivers/usb/musb/musb_cppi41.c @@ -39,6 +39,7 @@ struct cppi41_dma_channel { u32 transferred; u32 packet_sz; struct list_head tx_check; + int tx_zlp; }; #define MUSB_DMA_NUM_CHANNELS 15 @@ -122,6 +123,8 @@ static void cppi41_trans_done(struct cppi41_dma_channel *cppi41_channel) { struct musb_hw_ep *hw_ep = cppi41_channel->hw_ep; struct musb *musb = hw_ep->musb; + void __iomem *epio = hw_ep->regs; + u16 csr; if (!cppi41_channel->prog_len || (cppi41_channel->channel.status == MUSB_DMA_STATUS_FREE)) { @@ -131,15 +134,24 @@ static void cppi41_trans_done(struct cppi41_dma_channel *cppi41_channel) cppi41_channel->transferred; cppi41_channel->channel.status = MUSB_DMA_STATUS_FREE; cppi41_channel->channel.rx_packet_done = true; + + /* + * transmit ZLP using PIO mode for transfers which size is + * multiple of EP packet size. + */ + if (cppi41_channel->tx_zlp && (cppi41_channel->transferred % + cppi41_channel->packet_sz) == 0) { + musb_ep_select(musb->mregs, hw_ep->epnum); + csr = MUSB_TXCSR_MODE | MUSB_TXCSR_TXPKTRDY; + musb_writew(epio, MUSB_TXCSR, csr); + } musb_dma_completion(musb, hw_ep->epnum, cppi41_channel->is_tx); } else { /* next iteration, reload */ struct dma_chan *dc = cppi41_channel->dc; struct dma_async_tx_descriptor *dma_desc; enum dma_transfer_direction direction; - u16 csr; u32 remain_bytes; - void __iomem *epio = cppi41_channel->hw_ep->regs; cppi41_channel->buf_addr += cppi41_channel->packet_sz; @@ -363,6 +375,7 @@ static bool cppi41_configure_channel(struct dma_channel *channel, cppi41_channel->total_len = len; cppi41_channel->transferred = 0; cppi41_channel->packet_sz = packet_sz; + cppi41_channel->tx_zlp = (cppi41_channel->is_tx && mode) ? 1 : 0; /* * Due to AM335x' Advisory 1.0.13 we are not allowed to transfer more diff --git a/drivers/usb/musb/ux500_dma.c b/drivers/usb/musb/ux500_dma.c index 9aad00f11bd..221faed9f07 100644 --- a/drivers/usb/musb/ux500_dma.c +++ b/drivers/usb/musb/ux500_dma.c @@ -96,7 +96,7 @@ static bool ux500_configure_channel(struct dma_channel *channel, struct musb *musb = ux500_channel->controller->private_data; dev_dbg(musb->controller, - "packet_sz=%d, mode=%d, dma_addr=0x%llu, len=%d is_tx=%d\n", + "packet_sz=%d, mode=%d, dma_addr=0x%llx, len=%d is_tx=%d\n", packet_sz, mode, (unsigned long long) dma_addr, len, ux500_channel->is_tx); diff --git a/drivers/usb/phy/phy-gpio-vbus-usb.c b/drivers/usb/phy/phy-gpio-vbus-usb.c index ea9e705555d..f4b14bd97e1 100644 --- a/drivers/usb/phy/phy-gpio-vbus-usb.c +++ b/drivers/usb/phy/phy-gpio-vbus-usb.c @@ -260,10 +260,8 @@ static int gpio_vbus_probe(struct platform_device *pdev) gpio_vbus->phy.otg = devm_kzalloc(&pdev->dev, sizeof(struct usb_otg), GFP_KERNEL); - if (!gpio_vbus->phy.otg) { - kfree(gpio_vbus); + if (!gpio_vbus->phy.otg) return -ENOMEM; - } platform_set_drvdata(pdev, gpio_vbus); gpio_vbus->dev = &pdev->dev; diff --git a/drivers/usb/phy/phy-msm-usb.c b/drivers/usb/phy/phy-msm-usb.c index e4108eec5ef..afc09087ec3 100644 --- a/drivers/usb/phy/phy-msm-usb.c +++ b/drivers/usb/phy/phy-msm-usb.c @@ -1601,8 +1601,8 @@ static int msm_otg_probe(struct platform_device *pdev) */ if (motg->phy_number) { phy_select = devm_ioremap_nocache(&pdev->dev, USB2_PHY_SEL, 4); - if (IS_ERR(phy_select)) - return PTR_ERR(phy_select); + if (!phy_select) + return -ENOMEM; /* Enable second PHY with the OTG port */ writel(0x1, phy_select); } diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c index c42bdf0c4a1..00972eca04e 100644 --- a/drivers/usb/phy/phy-mxs-usb.c +++ b/drivers/usb/phy/phy-mxs-usb.c @@ -1,5 +1,5 @@ /* - * Copyright 2012-2013 Freescale Semiconductor, Inc. + * Copyright 2012-2014 Freescale Semiconductor, Inc. * Copyright (C) 2012 Marek Vasut <marex@denx.de> * on behalf of DENX Software Engineering GmbH * @@ -125,7 +125,13 @@ static const struct mxs_phy_data imx6sl_phy_data = { MXS_PHY_NEED_IP_FIX, }; +static const struct mxs_phy_data imx6sx_phy_data = { + .flags = MXS_PHY_DISCONNECT_LINE_WITHOUT_VBUS | + MXS_PHY_NEED_IP_FIX, +}; + static const struct of_device_id mxs_phy_dt_ids[] = { + { .compatible = "fsl,imx6sx-usbphy", .data = &imx6sx_phy_data, }, { .compatible = "fsl,imx6sl-usbphy", .data = &imx6sl_phy_data, }, { .compatible = "fsl,imx6q-usbphy", .data = &imx6q_phy_data, }, { .compatible = "fsl,imx23-usbphy", .data = &imx23_phy_data, }, diff --git a/drivers/usb/phy/phy-samsung-usb.h b/drivers/usb/phy/phy-samsung-usb.h index 68771bfd182..80eedd45a20 100644 --- a/drivers/usb/phy/phy-samsung-usb.h +++ b/drivers/usb/phy/phy-samsung-usb.h @@ -216,7 +216,7 @@ #define EXYNOS5_DRD_PHYPARAM1 (0x20) -#define PHYPARAM1_PCS_TXDEEMPH_MASK (0x1f << 0) +#define PHYPARAM1_PCS_TXDEEMPH_MASK (0x3f << 0) #define PHYPARAM1_PCS_TXDEEMPH (0x1c) #define EXYNOS5_DRD_PHYTERM (0x24) diff --git a/drivers/usb/phy/phy-tegra-usb.c b/drivers/usb/phy/phy-tegra-usb.c index 13b4fa287da..886f1807a67 100644 --- a/drivers/usb/phy/phy-tegra-usb.c +++ b/drivers/usb/phy/phy-tegra-usb.c @@ -878,8 +878,8 @@ static int utmi_phy_probe(struct tegra_usb_phy *tegra_phy, return -ENOMEM; } - tegra_phy->config = devm_kzalloc(&pdev->dev, - sizeof(*tegra_phy->config), GFP_KERNEL); + tegra_phy->config = devm_kzalloc(&pdev->dev, sizeof(*config), + GFP_KERNEL); if (!tegra_phy->config) { dev_err(&pdev->dev, "unable to allocate memory for USB UTMIP config\n"); diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c index 6d0f6080ece..045cd309367 100644 --- a/drivers/usb/phy/phy.c +++ b/drivers/usb/phy/phy.c @@ -232,6 +232,9 @@ struct usb_phy *usb_get_phy_dev(struct device *dev, u8 index) phy = __usb_find_phy_dev(dev, &phy_bind_list, index); if (IS_ERR(phy) || !try_module_get(phy->dev->driver->owner)) { dev_dbg(dev, "unable to find transceiver\n"); + if (!IS_ERR(phy)) + phy = ERR_PTR(-ENODEV); + goto err0; } diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index 4fd36530bfa..b0c97a3f1bf 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -108,19 +108,45 @@ static struct usbhs_pkt *__usbhsf_pkt_get(struct usbhs_pipe *pipe) return list_first_entry(&pipe->list, struct usbhs_pkt, node); } +static void usbhsf_fifo_clear(struct usbhs_pipe *pipe, + struct usbhs_fifo *fifo); +static void usbhsf_fifo_unselect(struct usbhs_pipe *pipe, + struct usbhs_fifo *fifo); +static struct dma_chan *usbhsf_dma_chan_get(struct usbhs_fifo *fifo, + struct usbhs_pkt *pkt); +#define usbhsf_dma_map(p) __usbhsf_dma_map_ctrl(p, 1) +#define usbhsf_dma_unmap(p) __usbhsf_dma_map_ctrl(p, 0) +static int __usbhsf_dma_map_ctrl(struct usbhs_pkt *pkt, int map); struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt) { struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe); + struct usbhs_fifo *fifo = usbhs_pipe_to_fifo(pipe); unsigned long flags; /******************** spin lock ********************/ usbhs_lock(priv, flags); + usbhs_pipe_disable(pipe); + if (!pkt) pkt = __usbhsf_pkt_get(pipe); - if (pkt) + if (pkt) { + struct dma_chan *chan = NULL; + + if (fifo) + chan = usbhsf_dma_chan_get(fifo, pkt); + if (chan) { + dmaengine_terminate_all(chan); + usbhsf_fifo_clear(pipe, fifo); + usbhsf_dma_unmap(pkt); + } + __usbhsf_pkt_del(pkt); + } + + if (fifo) + usbhsf_fifo_unselect(pipe, fifo); usbhs_unlock(priv, flags); /******************** spin unlock ******************/ @@ -544,6 +570,7 @@ static int usbhsf_pio_try_push(struct usbhs_pkt *pkt, int *is_done) usbhsf_send_terminator(pipe, fifo); usbhsf_tx_irq_ctrl(pipe, !*is_done); + usbhs_pipe_running(pipe, !*is_done); usbhs_pipe_enable(pipe); dev_dbg(dev, " send %d (%d/ %d/ %d/ %d)\n", @@ -570,12 +597,21 @@ usbhs_fifo_write_busy: * retry in interrupt */ usbhsf_tx_irq_ctrl(pipe, 1); + usbhs_pipe_running(pipe, 1); return ret; } +static int usbhsf_pio_prepare_push(struct usbhs_pkt *pkt, int *is_done) +{ + if (usbhs_pipe_is_running(pkt->pipe)) + return 0; + + return usbhsf_pio_try_push(pkt, is_done); +} + struct usbhs_pkt_handle usbhs_fifo_pio_push_handler = { - .prepare = usbhsf_pio_try_push, + .prepare = usbhsf_pio_prepare_push, .try_run = usbhsf_pio_try_push, }; @@ -589,6 +625,9 @@ static int usbhsf_prepare_pop(struct usbhs_pkt *pkt, int *is_done) if (usbhs_pipe_is_busy(pipe)) return 0; + if (usbhs_pipe_is_running(pipe)) + return 0; + /* * pipe enable to prepare packet receive */ @@ -597,6 +636,7 @@ static int usbhsf_prepare_pop(struct usbhs_pkt *pkt, int *is_done) usbhs_pipe_set_trans_count_if_bulk(pipe, pkt->length); usbhs_pipe_enable(pipe); + usbhs_pipe_running(pipe, 1); usbhsf_rx_irq_ctrl(pipe, 1); return 0; @@ -642,6 +682,7 @@ static int usbhsf_pio_try_pop(struct usbhs_pkt *pkt, int *is_done) (total_len < maxp)) { /* short packet */ *is_done = 1; usbhsf_rx_irq_ctrl(pipe, 0); + usbhs_pipe_running(pipe, 0); usbhs_pipe_disable(pipe); /* disable pipe first */ } @@ -763,8 +804,6 @@ static void __usbhsf_dma_ctrl(struct usbhs_pipe *pipe, usbhs_bset(priv, fifo->sel, DREQE, dreqe); } -#define usbhsf_dma_map(p) __usbhsf_dma_map_ctrl(p, 1) -#define usbhsf_dma_unmap(p) __usbhsf_dma_map_ctrl(p, 0) static int __usbhsf_dma_map_ctrl(struct usbhs_pkt *pkt, int map) { struct usbhs_pipe *pipe = pkt->pipe; @@ -805,6 +844,7 @@ static void xfer_work(struct work_struct *work) dev_dbg(dev, " %s %d (%d/ %d)\n", fifo->name, usbhs_pipe_number(pipe), pkt->length, pkt->zero); + usbhs_pipe_running(pipe, 1); usbhs_pipe_set_trans_count_if_bulk(pipe, pkt->trans); usbhs_pipe_enable(pipe); usbhsf_dma_start(pipe, fifo); @@ -836,6 +876,10 @@ static int usbhsf_dma_prepare_push(struct usbhs_pkt *pkt, int *is_done) if ((uintptr_t)(pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */ goto usbhsf_pio_prepare_push; + /* return at this time if the pipe is running */ + if (usbhs_pipe_is_running(pipe)) + return 0; + /* get enable DMA fifo */ fifo = usbhsf_get_dma_fifo(priv, pkt); if (!fifo) @@ -869,15 +913,29 @@ usbhsf_pio_prepare_push: static int usbhsf_dma_push_done(struct usbhs_pkt *pkt, int *is_done) { struct usbhs_pipe *pipe = pkt->pipe; + int is_short = pkt->trans % usbhs_pipe_get_maxpacket(pipe); + + pkt->actual += pkt->trans; - pkt->actual = pkt->trans; + if (pkt->actual < pkt->length) + *is_done = 0; /* there are remainder data */ + else if (is_short) + *is_done = 1; /* short packet */ + else + *is_done = !pkt->zero; /* send zero packet? */ - *is_done = !pkt->zero; /* send zero packet ? */ + usbhs_pipe_running(pipe, !*is_done); usbhsf_dma_stop(pipe, pipe->fifo); usbhsf_dma_unmap(pkt); usbhsf_fifo_unselect(pipe, pipe->fifo); + if (!*is_done) { + /* change handler to PIO */ + pkt->handler = &usbhs_fifo_pio_push_handler; + return pkt->handler->try_run(pkt, is_done); + } + return 0; } @@ -972,8 +1030,10 @@ static int usbhsf_dma_pop_done(struct usbhs_pkt *pkt, int *is_done) if ((pkt->actual == pkt->length) || /* receive all data */ (pkt->trans < maxp)) { /* short packet */ *is_done = 1; + usbhs_pipe_running(pipe, 0); } else { /* re-enable */ + usbhs_pipe_running(pipe, 0); usbhsf_prepare_pop(pkt, is_done); } diff --git a/drivers/usb/renesas_usbhs/mod.c b/drivers/usb/renesas_usbhs/mod.c index 6a030b931a3..9a705b15b3a 100644 --- a/drivers/usb/renesas_usbhs/mod.c +++ b/drivers/usb/renesas_usbhs/mod.c @@ -213,7 +213,10 @@ static int usbhs_status_get_each_irq(struct usbhs_priv *priv, { struct usbhs_mod *mod = usbhs_mod_get_current(priv); u16 intenb0, intenb1; + unsigned long flags; + /******************** spin lock ********************/ + usbhs_lock(priv, flags); state->intsts0 = usbhs_read(priv, INTSTS0); state->intsts1 = usbhs_read(priv, INTSTS1); @@ -229,6 +232,8 @@ static int usbhs_status_get_each_irq(struct usbhs_priv *priv, state->bempsts &= mod->irq_bempsts; state->brdysts &= mod->irq_brdysts; } + usbhs_unlock(priv, flags); + /******************** spin unlock ******************/ /* * Check whether the irq enable registers and the irq status are set diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c index 75fbcf6b102..040bcefcb04 100644 --- a/drivers/usb/renesas_usbhs/pipe.c +++ b/drivers/usb/renesas_usbhs/pipe.c @@ -578,6 +578,19 @@ int usbhs_pipe_is_dir_host(struct usbhs_pipe *pipe) return usbhsp_flags_has(pipe, IS_DIR_HOST); } +int usbhs_pipe_is_running(struct usbhs_pipe *pipe) +{ + return usbhsp_flags_has(pipe, IS_RUNNING); +} + +void usbhs_pipe_running(struct usbhs_pipe *pipe, int running) +{ + if (running) + usbhsp_flags_set(pipe, IS_RUNNING); + else + usbhsp_flags_clr(pipe, IS_RUNNING); +} + void usbhs_pipe_data_sequence(struct usbhs_pipe *pipe, int sequence) { u16 mask = (SQCLR | SQSET); diff --git a/drivers/usb/renesas_usbhs/pipe.h b/drivers/usb/renesas_usbhs/pipe.h index 406f36d050e..d24a0597237 100644 --- a/drivers/usb/renesas_usbhs/pipe.h +++ b/drivers/usb/renesas_usbhs/pipe.h @@ -36,6 +36,7 @@ struct usbhs_pipe { #define USBHS_PIPE_FLAGS_IS_USED (1 << 0) #define USBHS_PIPE_FLAGS_IS_DIR_IN (1 << 1) #define USBHS_PIPE_FLAGS_IS_DIR_HOST (1 << 2) +#define USBHS_PIPE_FLAGS_IS_RUNNING (1 << 3) struct usbhs_pkt_handle *handler; @@ -80,6 +81,9 @@ int usbhs_pipe_probe(struct usbhs_priv *priv); void usbhs_pipe_remove(struct usbhs_priv *priv); int usbhs_pipe_is_dir_in(struct usbhs_pipe *pipe); int usbhs_pipe_is_dir_host(struct usbhs_pipe *pipe); +int usbhs_pipe_is_running(struct usbhs_pipe *pipe); +void usbhs_pipe_running(struct usbhs_pipe *pipe, int running); + void usbhs_pipe_init(struct usbhs_priv *priv, int (*dma_map_ctrl)(struct usbhs_pkt *pkt, int map)); int usbhs_pipe_get_maxpacket(struct usbhs_pipe *pipe); diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 216ce307827..dc72b924c39 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -146,6 +146,7 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_BM_ATOM_NANO_PID) }, { USB_DEVICE(FTDI_VID, FTDI_NXTCAM_PID) }, { USB_DEVICE(FTDI_VID, FTDI_EV3CON_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) }, @@ -727,6 +728,7 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID), .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk }, { USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) }, + { USB_DEVICE(NOVITUS_VID, NOVITUS_BONO_E_PID) }, { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S03_PID) }, { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_59_PID) }, { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57A_PID) }, @@ -934,8 +936,12 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_2_PID) }, { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_3_PID) }, { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_4_PID) }, + /* ekey Devices */ + { USB_DEVICE(FTDI_VID, FTDI_EKEY_CONV_USB_PID) }, /* Infineon Devices */ { USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_PID, 1) }, + /* GE Healthcare devices */ + { USB_DEVICE(GE_HEALTHCARE_VID, GE_HEALTHCARE_NEMO_TRACKER_PID) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 1e58d90a0b6..5937b2d242f 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -42,6 +42,8 @@ /* www.candapter.com Ewert Energy Systems CANdapter device */ #define FTDI_CANDAPTER_PID 0x9F80 /* Product Id */ +#define FTDI_BM_ATOM_NANO_PID 0xa559 /* Basic Micro ATOM Nano USB2Serial */ + /* * Texas Instruments XDS100v2 JTAG / BeagleBone A3 * http://processors.wiki.ti.com/index.php/XDS100 @@ -835,6 +837,12 @@ #define TELLDUS_TELLSTICK_PID 0x0C30 /* RF control dongle 433 MHz using FT232RL */ /* + * NOVITUS printers + */ +#define NOVITUS_VID 0x1a28 +#define NOVITUS_BONO_E_PID 0x6010 + +/* * RT Systems programming cables for various ham radios */ #define RTSYSTEMS_VID 0x2100 /* Vendor ID */ @@ -1378,3 +1386,14 @@ #define BRAINBOXES_US_160_6_PID 0x9006 /* US-160 16xRS232 1Mbaud Port 11 and 12 */ #define BRAINBOXES_US_160_7_PID 0x9007 /* US-160 16xRS232 1Mbaud Port 13 and 14 */ #define BRAINBOXES_US_160_8_PID 0x9008 /* US-160 16xRS232 1Mbaud Port 15 and 16 */ + +/* + * ekey biometric systems GmbH (http://ekey.net/) + */ +#define FTDI_EKEY_CONV_USB_PID 0xCB08 /* Converter USB */ + +/* + * GE Healthcare devices + */ +#define GE_HEALTHCARE_VID 0x1901 +#define GE_HEALTHCARE_NEMO_TRACKER_PID 0x0015 diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index a9688940543..54a8120897a 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -275,8 +275,12 @@ static void option_instat_callback(struct urb *urb); #define ZTE_PRODUCT_MF622 0x0001 #define ZTE_PRODUCT_MF628 0x0015 #define ZTE_PRODUCT_MF626 0x0031 -#define ZTE_PRODUCT_MC2718 0xffe8 #define ZTE_PRODUCT_AC2726 0xfff1 +#define ZTE_PRODUCT_CDMA_TECH 0xfffe +#define ZTE_PRODUCT_AC8710T 0xffff +#define ZTE_PRODUCT_MC2718 0xffe8 +#define ZTE_PRODUCT_AD3812 0xffeb +#define ZTE_PRODUCT_MC2716 0xffed #define BENQ_VENDOR_ID 0x04a5 #define BENQ_PRODUCT_H10 0x4068 @@ -494,6 +498,10 @@ static void option_instat_callback(struct urb *urb); #define INOVIA_VENDOR_ID 0x20a6 #define INOVIA_SEW858 0x1105 +/* VIA Telecom */ +#define VIATELECOM_VENDOR_ID 0x15eb +#define VIATELECOM_PRODUCT_CDS7 0x0001 + /* some devices interfaces need special handling due to a number of reasons */ enum option_blacklist_reason { OPTION_BLACKLIST_NONE = 0, @@ -527,10 +535,18 @@ static const struct option_blacklist_info zte_k3765_z_blacklist = { .reserved = BIT(4), }; +static const struct option_blacklist_info zte_ad3812_z_blacklist = { + .sendsetup = BIT(0) | BIT(1) | BIT(2), +}; + static const struct option_blacklist_info zte_mc2718_z_blacklist = { .sendsetup = BIT(1) | BIT(2) | BIT(3) | BIT(4), }; +static const struct option_blacklist_info zte_mc2716_z_blacklist = { + .sendsetup = BIT(1) | BIT(2) | BIT(3), +}; + static const struct option_blacklist_info huawei_cdc12_blacklist = { .reserved = BIT(1) | BIT(2), }; @@ -1070,6 +1086,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_INTERFACE_CLASS(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1012, 0xff) }, { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC650) }, { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) }, + { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6000)}, /* ZTE AC8700 */ { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */ { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x0023)}, /* ONYX 3G device */ { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */ @@ -1544,13 +1561,18 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff93, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff94, 0xff, 0xff, 0xff) }, - /* NOTE: most ZTE CDMA devices should be driven by zte_ev, not option */ + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_CDMA_TECH, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC2726, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC8710T, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MC2718, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t)&zte_mc2718_z_blacklist }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AD3812, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)&zte_ad3812_z_blacklist }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MC2716, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)&zte_mc2716_z_blacklist }, { USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x02, 0x01) }, { USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x02, 0x05) }, { USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x86, 0x10) }, - { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC2726, 0xff, 0xff, 0xff) }, { USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) }, { USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) }, @@ -1724,6 +1746,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */ { USB_DEVICE(INOVIA_VENDOR_ID, INOVIA_SEW858) }, + { USB_DEVICE(VIATELECOM_VENDOR_ID, VIATELECOM_PRODUCT_CDS7) }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, option_ids); @@ -1916,6 +1939,8 @@ static void option_instat_callback(struct urb *urb) dev_dbg(dev, "%s: type %x req %x\n", __func__, req_pkt->bRequestType, req_pkt->bRequest); } + } else if (status == -ENOENT || status == -ESHUTDOWN) { + dev_dbg(dev, "%s: urb stopped: %d\n", __func__, status); } else dev_err(dev, "%s: error %d\n", __func__, status); diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index b3d5a35c0d4..e9bad928039 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -45,6 +45,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_GPRS) }, { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_HCR331) }, { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_MOTOROLA) }, + { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_ZTEK) }, { USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID) }, { USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID_RSAQ5) }, { USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID) }, diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h index 42bc082896a..71fd9da1d6e 100644 --- a/drivers/usb/serial/pl2303.h +++ b/drivers/usb/serial/pl2303.h @@ -22,6 +22,7 @@ #define PL2303_PRODUCT_ID_GPRS 0x0609 #define PL2303_PRODUCT_ID_HCR331 0x331a #define PL2303_PRODUCT_ID_MOTOROLA 0x0307 +#define PL2303_PRODUCT_ID_ZTEK 0xe1f1 #define ATEN_VENDOR_ID 0x0557 #define ATEN_VENDOR_ID2 0x0547 diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index 6f7f01eb556..46179a0828e 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -282,14 +282,19 @@ static const struct usb_device_id id_table[] = { /* Sierra Wireless HSPA Non-Composite Device */ { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6892, 0xFF, 0xFF, 0xFF)}, { USB_DEVICE(0x1199, 0x6893) }, /* Sierra Wireless Device */ - { USB_DEVICE(0x1199, 0x68A3), /* Sierra Wireless Direct IP modems */ + /* Sierra Wireless Direct IP modems */ + { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x68A3, 0xFF, 0xFF, 0xFF), + .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist + }, + { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x68AA, 0xFF, 0xFF, 0xFF), .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist }, /* AT&T Direct IP LTE modems */ { USB_DEVICE_AND_INTERFACE_INFO(0x0F3D, 0x68AA, 0xFF, 0xFF, 0xFF), .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist }, - { USB_DEVICE(0x0f3d, 0x68A3), /* Airprime/Sierra Wireless Direct IP modems */ + /* Airprime/Sierra Wireless Direct IP modems */ + { USB_DEVICE_AND_INTERFACE_INFO(0x0F3D, 0x68A3, 0xFF, 0xFF, 0xFF), .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist }, diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 02de3110fe9..475723c006f 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -764,29 +764,39 @@ static int usb_serial_probe(struct usb_interface *interface, if (usb_endpoint_is_bulk_in(endpoint)) { /* we found a bulk in endpoint */ dev_dbg(ddev, "found bulk in on endpoint %d\n", i); - bulk_in_endpoint[num_bulk_in] = endpoint; - ++num_bulk_in; + if (num_bulk_in < MAX_NUM_PORTS) { + bulk_in_endpoint[num_bulk_in] = endpoint; + ++num_bulk_in; + } } if (usb_endpoint_is_bulk_out(endpoint)) { /* we found a bulk out endpoint */ dev_dbg(ddev, "found bulk out on endpoint %d\n", i); - bulk_out_endpoint[num_bulk_out] = endpoint; - ++num_bulk_out; + if (num_bulk_out < MAX_NUM_PORTS) { + bulk_out_endpoint[num_bulk_out] = endpoint; + ++num_bulk_out; + } } if (usb_endpoint_is_int_in(endpoint)) { /* we found a interrupt in endpoint */ dev_dbg(ddev, "found interrupt in on endpoint %d\n", i); - interrupt_in_endpoint[num_interrupt_in] = endpoint; - ++num_interrupt_in; + if (num_interrupt_in < MAX_NUM_PORTS) { + interrupt_in_endpoint[num_interrupt_in] = + endpoint; + ++num_interrupt_in; + } } if (usb_endpoint_is_int_out(endpoint)) { /* we found an interrupt out endpoint */ dev_dbg(ddev, "found interrupt out on endpoint %d\n", i); - interrupt_out_endpoint[num_interrupt_out] = endpoint; - ++num_interrupt_out; + if (num_interrupt_out < MAX_NUM_PORTS) { + interrupt_out_endpoint[num_interrupt_out] = + endpoint; + ++num_interrupt_out; + } } } @@ -809,8 +819,10 @@ static int usb_serial_probe(struct usb_interface *interface, if (usb_endpoint_is_int_in(endpoint)) { /* we found a interrupt in endpoint */ dev_dbg(ddev, "found interrupt in for Prolific device on separate interface\n"); - interrupt_in_endpoint[num_interrupt_in] = endpoint; - ++num_interrupt_in; + if (num_interrupt_in < MAX_NUM_PORTS) { + interrupt_in_endpoint[num_interrupt_in] = endpoint; + ++num_interrupt_in; + } } } } @@ -850,6 +862,11 @@ static int usb_serial_probe(struct usb_interface *interface, num_ports = type->num_ports; } + if (num_ports > MAX_NUM_PORTS) { + dev_warn(ddev, "too many ports requested: %d\n", num_ports); + num_ports = MAX_NUM_PORTS; + } + serial->num_ports = num_ports; serial->num_bulk_in = num_bulk_in; serial->num_bulk_out = num_bulk_out; diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c index e62f2dff8b7..6c3734d2b45 100644 --- a/drivers/usb/serial/whiteheat.c +++ b/drivers/usb/serial/whiteheat.c @@ -514,6 +514,10 @@ static void command_port_read_callback(struct urb *urb) dev_dbg(&urb->dev->dev, "%s - command_info is NULL, exiting.\n", __func__); return; } + if (!urb->actual_length) { + dev_dbg(&urb->dev->dev, "%s - empty response, exiting.\n", __func__); + return; + } if (status) { dev_dbg(&urb->dev->dev, "%s - nonzero urb status: %d\n", __func__, status); if (status != -ENOENT) @@ -534,7 +538,8 @@ static void command_port_read_callback(struct urb *urb) /* These are unsolicited reports from the firmware, hence no waiting command to wakeup */ dev_dbg(&urb->dev->dev, "%s - event received\n", __func__); - } else if (data[0] == WHITEHEAT_GET_DTR_RTS) { + } else if ((data[0] == WHITEHEAT_GET_DTR_RTS) && + (urb->actual_length - 1 <= sizeof(command_info->result_buffer))) { memcpy(command_info->result_buffer, &data[1], urb->actual_length - 1); command_info->command_finished = WHITEHEAT_CMD_COMPLETE; diff --git a/drivers/usb/serial/zte_ev.c b/drivers/usb/serial/zte_ev.c index e40ab739c4a..c9bb107d5e5 100644 --- a/drivers/usb/serial/zte_ev.c +++ b/drivers/usb/serial/zte_ev.c @@ -272,28 +272,16 @@ static void zte_ev_usb_serial_close(struct usb_serial_port *port) } static const struct usb_device_id id_table[] = { - /* AC8710, AC8710T */ - { USB_DEVICE_AND_INTERFACE_INFO(0x19d2, 0xffff, 0xff, 0xff, 0xff) }, - /* AC8700 */ - { USB_DEVICE_AND_INTERFACE_INFO(0x19d2, 0xfffe, 0xff, 0xff, 0xff) }, - /* MG880 */ - { USB_DEVICE(0x19d2, 0xfffd) }, - { USB_DEVICE(0x19d2, 0xfffc) }, - { USB_DEVICE(0x19d2, 0xfffb) }, - /* AC8710_V3 */ + { USB_DEVICE(0x19d2, 0xffec) }, + { USB_DEVICE(0x19d2, 0xffee) }, { USB_DEVICE(0x19d2, 0xfff6) }, { USB_DEVICE(0x19d2, 0xfff7) }, { USB_DEVICE(0x19d2, 0xfff8) }, { USB_DEVICE(0x19d2, 0xfff9) }, - { USB_DEVICE(0x19d2, 0xffee) }, - /* AC2716, MC2716 */ - { USB_DEVICE_AND_INTERFACE_INFO(0x19d2, 0xffed, 0xff, 0xff, 0xff) }, - /* AD3812 */ - { USB_DEVICE_AND_INTERFACE_INFO(0x19d2, 0xffeb, 0xff, 0xff, 0xff) }, - { USB_DEVICE(0x19d2, 0xffec) }, - { USB_DEVICE(0x05C6, 0x3197) }, - { USB_DEVICE(0x05C6, 0x6000) }, - { USB_DEVICE(0x05C6, 0x9008) }, + { USB_DEVICE(0x19d2, 0xfffb) }, + { USB_DEVICE(0x19d2, 0xfffc) }, + /* MG880 */ + { USB_DEVICE(0x19d2, 0xfffd) }, { }, }; MODULE_DEVICE_TABLE(usb, id_table); diff --git a/drivers/usb/storage/uas-detect.h b/drivers/usb/storage/uas-detect.h index 503ac5c8d80..8a6f371ed6e 100644 --- a/drivers/usb/storage/uas-detect.h +++ b/drivers/usb/storage/uas-detect.h @@ -59,10 +59,6 @@ static int uas_use_uas_driver(struct usb_interface *intf, unsigned long flags = id->driver_info; int r, alt; - usb_stor_adjust_quirks(udev, &flags); - - if (flags & US_FL_IGNORE_UAS) - return 0; alt = uas_find_uas_alt_setting(intf); if (alt < 0) @@ -72,6 +68,29 @@ static int uas_use_uas_driver(struct usb_interface *intf, if (r < 0) return 0; + /* + * ASM1051 and older ASM1053 devices have the same usb-id, and UAS is + * broken on the ASM1051, use the number of streams to differentiate. + * New ASM1053-s also support 32 streams, but have a different prod-id. + */ + if (le16_to_cpu(udev->descriptor.idVendor) == 0x174c && + le16_to_cpu(udev->descriptor.idProduct) == 0x55aa) { + if (udev->speed < USB_SPEED_SUPER) { + /* No streams info, assume ASM1051 */ + flags |= US_FL_IGNORE_UAS; + } else if (usb_ss_max_streams(&eps[1]->ss_ep_comp) == 32) { + flags |= US_FL_IGNORE_UAS; + } + } + + usb_stor_adjust_quirks(udev, &flags); + + if (flags & US_FL_IGNORE_UAS) { + dev_warn(&udev->dev, + "UAS is blacklisted for this device, using usb-storage instead\n"); + return 0; + } + if (udev->bus->sg_tablesize == 0) { dev_warn(&udev->dev, "The driver for the USB controller %s does not support scatter-gather which is\n", diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 80a5b366255..60cfcbc7855 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -741,6 +741,12 @@ UNUSUAL_DEV( 0x059b, 0x0001, 0x0100, 0x0100, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_SINGLE_LUN ), +UNUSUAL_DEV( 0x059b, 0x0040, 0x0100, 0x0100, + "Iomega", + "Jaz USB Adapter", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_SINGLE_LUN ), + /* Reported by <Hendryk.Pfeiffer@gmx.de> */ UNUSUAL_DEV( 0x059f, 0x0643, 0x0000, 0x0000, "LaCie", @@ -922,6 +928,12 @@ UNUSUAL_DEV( 0x069b, 0x3004, 0x0001, 0x0001, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_FIX_CAPACITY ), +UNUSUAL_DEV( 0x06ca, 0x2003, 0x0100, 0x0100, + "Newer Technology", + "uSCSI", + USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_euscsi_init, + US_FL_SCM_MULT_TARG ), + /* Reported by Adrian Pilchowiec <adi1981@epf.pl> */ UNUSUAL_DEV( 0x071b, 0x3203, 0x0000, 0x0000, "RockChip", diff --git a/drivers/staging/usbip/Kconfig b/drivers/usb/usbip/Kconfig index bd99e9e47e5..bd99e9e47e5 100644 --- a/drivers/staging/usbip/Kconfig +++ b/drivers/usb/usbip/Kconfig diff --git a/drivers/staging/usbip/Makefile b/drivers/usb/usbip/Makefile index 9ecd61545be..9ecd61545be 100644 --- a/drivers/staging/usbip/Makefile +++ b/drivers/usb/usbip/Makefile diff --git a/drivers/staging/usbip/README b/drivers/usb/usbip/README index 41a2cf2e77a..41a2cf2e77a 100644 --- a/drivers/staging/usbip/README +++ b/drivers/usb/usbip/README diff --git a/drivers/staging/usbip/stub.h b/drivers/usb/usbip/stub.h index 266e2b0ce9a..266e2b0ce9a 100644 --- a/drivers/staging/usbip/stub.h +++ b/drivers/usb/usbip/stub.h diff --git a/drivers/staging/usbip/stub_dev.c b/drivers/usb/usbip/stub_dev.c index 51d0c718873..fac20e0434c 100644 --- a/drivers/staging/usbip/stub_dev.c +++ b/drivers/usb/usbip/stub_dev.c @@ -26,33 +26,6 @@ #include "stub.h" /* - * Define device IDs here if you want to explicitly limit exportable devices. - * In most cases, wildcard matching will be okay because driver binding can be - * changed dynamically by a userland program. - */ -static struct usb_device_id stub_table[] = { -#if 0 - /* just an example */ - { USB_DEVICE(0x05ac, 0x0301) }, /* Mac 1 button mouse */ - { USB_DEVICE(0x0430, 0x0009) }, /* Plat Home Keyboard */ - { USB_DEVICE(0x059b, 0x0001) }, /* Iomega USB Zip 100 */ - { USB_DEVICE(0x04b3, 0x4427) }, /* IBM USB CD-ROM */ - { USB_DEVICE(0x05a9, 0xa511) }, /* LifeView USB cam */ - { USB_DEVICE(0x55aa, 0x0201) }, /* Imation card reader */ - { USB_DEVICE(0x046d, 0x0870) }, /* Qcam Express(QV-30) */ - { USB_DEVICE(0x04bb, 0x0101) }, /* IO-DATA HD 120GB */ - { USB_DEVICE(0x04bb, 0x0904) }, /* IO-DATA USB-ET/TX */ - { USB_DEVICE(0x04bb, 0x0201) }, /* IO-DATA USB-ET/TX */ - { USB_DEVICE(0x08bb, 0x2702) }, /* ONKYO USB Speaker */ - { USB_DEVICE(0x046d, 0x08b2) }, /* Logicool Qcam 4000 Pro */ -#endif - /* magic for wild card */ - { .driver_info = 1 }, - { 0, } /* Terminating entry */ -}; -MODULE_DEVICE_TABLE(usb, stub_table); - -/* * usbip_status shows the status of usbip-host as long as this driver is bound * to the target device. */ diff --git a/drivers/staging/usbip/stub_main.c b/drivers/usb/usbip/stub_main.c index 44ab43fc4fc..44ab43fc4fc 100644 --- a/drivers/staging/usbip/stub_main.c +++ b/drivers/usb/usbip/stub_main.c diff --git a/drivers/staging/usbip/stub_rx.c b/drivers/usb/usbip/stub_rx.c index 00e475c51a1..00e475c51a1 100644 --- a/drivers/staging/usbip/stub_rx.c +++ b/drivers/usb/usbip/stub_rx.c diff --git a/drivers/staging/usbip/stub_tx.c b/drivers/usb/usbip/stub_tx.c index dbcabc9dbe0..dbcabc9dbe0 100644 --- a/drivers/staging/usbip/stub_tx.c +++ b/drivers/usb/usbip/stub_tx.c diff --git a/drivers/staging/usbip/usbip_common.c b/drivers/usb/usbip/usbip_common.c index facaaf003f1..facaaf003f1 100644 --- a/drivers/staging/usbip/usbip_common.c +++ b/drivers/usb/usbip/usbip_common.c diff --git a/drivers/staging/usbip/usbip_common.h b/drivers/usb/usbip/usbip_common.h index 4da3866a037..86b08475c25 100644 --- a/drivers/staging/usbip/usbip_common.h +++ b/drivers/usb/usbip/usbip_common.h @@ -29,7 +29,7 @@ #include <linux/types.h> #include <linux/usb.h> #include <linux/wait.h> -#include "uapi/usbip.h" +#include <uapi/linux/usbip.h> #define USBIP_VERSION "1.0.0" diff --git a/drivers/staging/usbip/usbip_event.c b/drivers/usb/usbip/usbip_event.c index 64933b993d7..64933b993d7 100644 --- a/drivers/staging/usbip/usbip_event.c +++ b/drivers/usb/usbip/usbip_event.c diff --git a/drivers/staging/usbip/usbip_protocol.txt b/drivers/usb/usbip/usbip_protocol.txt index 16b6fe27284..16b6fe27284 100644 --- a/drivers/staging/usbip/usbip_protocol.txt +++ b/drivers/usb/usbip/usbip_protocol.txt diff --git a/drivers/staging/usbip/vhci.h b/drivers/usb/usbip/vhci.h index a863a98a91c..a863a98a91c 100644 --- a/drivers/staging/usbip/vhci.h +++ b/drivers/usb/usbip/vhci.h diff --git a/drivers/staging/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c index c02374b6049..c02374b6049 100644 --- a/drivers/staging/usbip/vhci_hcd.c +++ b/drivers/usb/usbip/vhci_hcd.c diff --git a/drivers/staging/usbip/vhci_rx.c b/drivers/usb/usbip/vhci_rx.c index 00e4a54308e..00e4a54308e 100644 --- a/drivers/staging/usbip/vhci_rx.c +++ b/drivers/usb/usbip/vhci_rx.c diff --git a/drivers/staging/usbip/vhci_sysfs.c b/drivers/usb/usbip/vhci_sysfs.c index 211f43f67ea..211f43f67ea 100644 --- a/drivers/staging/usbip/vhci_sysfs.c +++ b/drivers/usb/usbip/vhci_sysfs.c diff --git a/drivers/staging/usbip/vhci_tx.c b/drivers/usb/usbip/vhci_tx.c index 409fd99f325..409fd99f325 100644 --- a/drivers/staging/usbip/vhci_tx.c +++ b/drivers/usb/usbip/vhci_tx.c diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c index 3e2e4ed2015..e279015be46 100644 --- a/drivers/usb/wusbcore/wa-xfer.c +++ b/drivers/usb/wusbcore/wa-xfer.c @@ -2602,6 +2602,7 @@ static void wa_buf_in_cb(struct urb *urb) dev = &wa->usb_iface->dev; --(wa->active_buf_in_urbs); active_buf_in_urbs = wa->active_buf_in_urbs; + rpipe = xfer->ep->hcpriv; if (usb_pipeisoc(xfer->urb->pipe)) { struct usb_iso_packet_descriptor *iso_frame_desc = @@ -2659,7 +2660,6 @@ static void wa_buf_in_cb(struct urb *urb) resubmit_dti = (isoc_data_frame_count == urb_frame_count); } else if (active_buf_in_urbs == 0) { - rpipe = xfer->ep->hcpriv; dev_dbg(dev, "xfer %p 0x%08X#%u: data in done (%zu bytes)\n", xfer, wa_xfer_id(xfer), seg->index, @@ -2685,7 +2685,6 @@ static void wa_buf_in_cb(struct urb *urb) */ resubmit_dti = wa->dti_state != WA_DTI_TRANSFER_RESULT_PENDING; spin_lock_irqsave(&xfer->lock, flags); - rpipe = xfer->ep->hcpriv; if (printk_ratelimit()) dev_err(dev, "xfer %p 0x%08X#%u: data in error %d\n", xfer, wa_xfer_id(xfer), seg->index, diff --git a/drivers/uwb/lc-dev.c b/drivers/uwb/lc-dev.c index 80079b8fed1..d0303f0dbe1 100644 --- a/drivers/uwb/lc-dev.c +++ b/drivers/uwb/lc-dev.c @@ -431,16 +431,19 @@ void uwbd_dev_onair(struct uwb_rc *rc, struct uwb_beca_e *bce) uwb_dev->mac_addr = *bce->mac_addr; uwb_dev->dev_addr = bce->dev_addr; dev_set_name(&uwb_dev->dev, "%s", macbuf); + + /* plug the beacon cache */ + bce->uwb_dev = uwb_dev; + uwb_dev->bce = bce; + uwb_bce_get(bce); /* released in uwb_dev_sys_release() */ + result = uwb_dev_add(uwb_dev, &rc->uwb_dev.dev, rc); if (result < 0) { dev_err(dev, "new device %s: cannot instantiate device\n", macbuf); goto error_dev_add; } - /* plug the beacon cache */ - bce->uwb_dev = uwb_dev; - uwb_dev->bce = bce; - uwb_bce_get(bce); /* released in uwb_dev_sys_release() */ + dev_info(dev, "uwb device (mac %s dev %s) connected to %s %s\n", macbuf, devbuf, rc->uwb_dev.dev.parent->bus->name, dev_name(rc->uwb_dev.dev.parent)); @@ -448,6 +451,8 @@ void uwbd_dev_onair(struct uwb_rc *rc, struct uwb_beca_e *bce) return; error_dev_add: + bce->uwb_dev = NULL; + uwb_bce_put(bce); kfree(uwb_dev); return; } diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index d7a3d13e72e..b85983e97f0 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -173,6 +173,7 @@ static int pwm_backlight_parse_dt(struct device *dev, data->max_brightness--; } + data->enable_gpio = -EINVAL; return 0; } diff --git a/drivers/video/fbdev/amba-clcd.c b/drivers/video/fbdev/amba-clcd.c index beadd3edaa1..6ad23bd3523 100644 --- a/drivers/video/fbdev/amba-clcd.c +++ b/drivers/video/fbdev/amba-clcd.c @@ -24,6 +24,7 @@ #include <linux/list.h> #include <linux/amba/bus.h> #include <linux/amba/clcd.h> +#include <linux/bitops.h> #include <linux/clk.h> #include <linux/hardirq.h> #include <linux/dma-mapping.h> @@ -638,9 +639,7 @@ static int clcdfb_of_init_tft_panel(struct clcd_fb *fb, u32 r0, u32 g0, u32 b0) if (g0 != panels[i].g0) continue; if (r0 == panels[i].r0 && b0 == panels[i].b0) - fb->panel->caps = panels[i].caps & CLCD_CAP_RGB; - if (r0 == panels[i].b0 && b0 == panels[i].r0) - fb->panel->caps = panels[i].caps & CLCD_CAP_BGR; + fb->panel->caps = panels[i].caps; } return fb->panel->caps ? 0 : -EINVAL; @@ -650,6 +649,7 @@ static int clcdfb_of_init_display(struct clcd_fb *fb) { struct device_node *endpoint; int err; + unsigned int bpp; u32 max_bandwidth; u32 tft_r0b0g0[3]; @@ -667,11 +667,22 @@ static int clcdfb_of_init_display(struct clcd_fb *fb) err = of_property_read_u32(fb->dev->dev.of_node, "max-memory-bandwidth", &max_bandwidth); - if (!err) - fb->panel->bpp = 8 * max_bandwidth / (fb->panel->mode.xres * - fb->panel->mode.yres * fb->panel->mode.refresh); - else - fb->panel->bpp = 32; + if (!err) { + /* + * max_bandwidth is in bytes per second and pixclock in + * pico-seconds, so the maximum allowed bits per pixel is + * 8 * max_bandwidth / (PICOS2KHZ(pixclock) * 1000) + * Rearrange this calculation to avoid overflow and then ensure + * result is a valid format. + */ + bpp = max_bandwidth / (1000 / 8) + / PICOS2KHZ(fb->panel->mode.pixclock); + bpp = rounddown_pow_of_two(bpp); + if (bpp > 32) + bpp = 32; + } else + bpp = 32; + fb->panel->bpp = bpp; #ifdef CONFIG_CPU_BIG_ENDIAN fb->panel->cntl |= CNTL_BEBO; diff --git a/drivers/video/fbdev/atmel_lcdfb.c b/drivers/video/fbdev/atmel_lcdfb.c index 92640d46770..1d8bdb92939 100644 --- a/drivers/video/fbdev/atmel_lcdfb.c +++ b/drivers/video/fbdev/atmel_lcdfb.c @@ -1102,12 +1102,14 @@ static int atmel_lcdfb_of_init(struct atmel_lcdfb_info *sinfo) timings = of_get_display_timings(display_np); if (!timings) { dev_err(dev, "failed to get display timings\n"); + ret = -EINVAL; goto put_display_node; } timings_np = of_find_node_by_name(display_np, "display-timings"); if (!timings_np) { dev_err(dev, "failed to find display-timings node\n"); + ret = -ENODEV; goto put_display_node; } diff --git a/drivers/video/fbdev/chipsfb.c b/drivers/video/fbdev/chipsfb.c index 206a66b6107..59abdc6a97f 100644 --- a/drivers/video/fbdev/chipsfb.c +++ b/drivers/video/fbdev/chipsfb.c @@ -273,7 +273,7 @@ static struct chips_init_reg chips_init_xr[] = { { 0xa8, 0x00 } }; -static void __init chips_hw_init(void) +static void chips_hw_init(void) { int i; diff --git a/drivers/video/fbdev/da8xx-fb.c b/drivers/video/fbdev/da8xx-fb.c index 788f6b37fce..10c876c9577 100644 --- a/drivers/video/fbdev/da8xx-fb.c +++ b/drivers/video/fbdev/da8xx-fb.c @@ -419,7 +419,7 @@ static void lcd_cfg_horizontal_sync(int back_porch, int pulse_width, { u32 reg; - reg = lcdc_read(LCD_RASTER_TIMING_0_REG) & 0xf; + reg = lcdc_read(LCD_RASTER_TIMING_0_REG) & 0x3ff; reg |= (((back_porch-1) & 0xff) << 24) | (((front_porch-1) & 0xff) << 16) | (((pulse_width-1) & 0x3f) << 10); diff --git a/drivers/video/of_display_timing.c b/drivers/video/of_display_timing.c index 987edf11003..5c098d5b404 100644 --- a/drivers/video/of_display_timing.c +++ b/drivers/video/of_display_timing.c @@ -236,6 +236,7 @@ timingfail: if (native_mode) of_node_put(native_mode); display_timings_release(disp); + disp = NULL; entryfail: kfree(disp); dispfail: diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index 5c660c77f03..1e0a317d3dc 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -230,8 +230,8 @@ static enum bp_state reserve_additional_memory(long credit) rc = add_memory(nid, hotplug_start_paddr, balloon_hotplug << PAGE_SHIFT); if (rc) { - pr_info("%s: add_memory() failed: %i\n", __func__, rc); - return BP_EAGAIN; + pr_warn("Cannot add additional memory (%i)\n", rc); + return BP_ECANCELED; } balloon_hotplug -= credit; diff --git a/drivers/xen/gntalloc.c b/drivers/xen/gntalloc.c index 787d1794541..e53fe191738 100644 --- a/drivers/xen/gntalloc.c +++ b/drivers/xen/gntalloc.c @@ -124,7 +124,7 @@ static int add_grefs(struct ioctl_gntalloc_alloc_gref *op, int i, rc, readonly; LIST_HEAD(queue_gref); LIST_HEAD(queue_file); - struct gntalloc_gref *gref; + struct gntalloc_gref *gref, *next; readonly = !(op->flags & GNTALLOC_FLAG_WRITABLE); rc = -ENOMEM; @@ -141,13 +141,11 @@ static int add_grefs(struct ioctl_gntalloc_alloc_gref *op, goto undo; /* Grant foreign access to the page. */ - gref->gref_id = gnttab_grant_foreign_access(op->domid, + rc = gnttab_grant_foreign_access(op->domid, pfn_to_mfn(page_to_pfn(gref->page)), readonly); - if ((int)gref->gref_id < 0) { - rc = gref->gref_id; + if (rc < 0) goto undo; - } - gref_ids[i] = gref->gref_id; + gref_ids[i] = gref->gref_id = rc; } /* Add to gref lists. */ @@ -162,8 +160,8 @@ undo: mutex_lock(&gref_mutex); gref_size -= (op->count - i); - list_for_each_entry(gref, &queue_file, next_file) { - /* __del_gref does not remove from queue_file */ + list_for_each_entry_safe(gref, next, &queue_file, next_file) { + list_del(&gref->next_file); __del_gref(gref); } @@ -193,7 +191,7 @@ static void __del_gref(struct gntalloc_gref *gref) gref->notify.flags = 0; - if (gref->gref_id > 0) { + if (gref->gref_id) { if (gnttab_query_foreign_access(gref->gref_id)) return; diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c index 5f1e1f3cd18..f8bb36f9d9c 100644 --- a/drivers/xen/manage.c +++ b/drivers/xen/manage.c @@ -103,16 +103,11 @@ static void do_suspend(void) shutting_down = SHUTDOWN_SUSPEND; -#ifdef CONFIG_PREEMPT - /* If the kernel is preemptible, we need to freeze all the processes - to prevent them from being in the middle of a pagetable update - during suspend. */ err = freeze_processes(); if (err) { pr_err("%s: freeze failed %d\n", __func__, err); goto out; } -#endif err = dpm_suspend_start(PMSG_FREEZE); if (err) { @@ -157,10 +152,8 @@ out_resume: dpm_resume_end(si.cancelled ? PMSG_THAW : PMSG_RESTORE); out_thaw: -#ifdef CONFIG_PREEMPT thaw_processes(); out: -#endif shutting_down = SHUTDOWN_INVALID; } #endif /* CONFIG_HIBERNATE_CALLBACKS */ @@ -793,6 +793,8 @@ void exit_aio(struct mm_struct *mm) for (i = 0; i < table->nr; ++i) { struct kioctx *ctx = table->table[i]; + struct completion requests_done = + COMPLETION_INITIALIZER_ONSTACK(requests_done); if (!ctx) continue; @@ -804,7 +806,10 @@ void exit_aio(struct mm_struct *mm) * that it needs to unmap the area, just set it to 0. */ ctx->mmap_size = 0; - kill_ioctx(mm, ctx, NULL); + kill_ioctx(mm, ctx, &requests_done); + + /* Wait until all IO for the context are done. */ + wait_for_completion(&requests_done); } RCU_INIT_POINTER(mm->ioctx_table, NULL); @@ -1111,6 +1116,12 @@ static long aio_read_events_ring(struct kioctx *ctx, tail = ring->tail; kunmap_atomic(ring); + /* + * Ensure that once we've read the current tail pointer, that + * we also see the events that were stored up to the tail. + */ + smp_rmb(); + pr_debug("h%u t%u m%u\n", head, tail, ctx->nr_events); if (head == tail) diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c index 5a201d81049..fbd76ded9a3 100644 --- a/fs/btrfs/async-thread.c +++ b/fs/btrfs/async-thread.c @@ -22,7 +22,6 @@ #include <linux/list.h> #include <linux/spinlock.h> #include <linux/freezer.h> -#include <linux/workqueue.h> #include "async-thread.h" #include "ctree.h" @@ -55,8 +54,39 @@ struct btrfs_workqueue { struct __btrfs_workqueue *high; }; -static inline struct __btrfs_workqueue -*__btrfs_alloc_workqueue(const char *name, int flags, int max_active, +static void normal_work_helper(struct btrfs_work *work); + +#define BTRFS_WORK_HELPER(name) \ +void btrfs_##name(struct work_struct *arg) \ +{ \ + struct btrfs_work *work = container_of(arg, struct btrfs_work, \ + normal_work); \ + normal_work_helper(work); \ +} + +BTRFS_WORK_HELPER(worker_helper); +BTRFS_WORK_HELPER(delalloc_helper); +BTRFS_WORK_HELPER(flush_delalloc_helper); +BTRFS_WORK_HELPER(cache_helper); +BTRFS_WORK_HELPER(submit_helper); +BTRFS_WORK_HELPER(fixup_helper); +BTRFS_WORK_HELPER(endio_helper); +BTRFS_WORK_HELPER(endio_meta_helper); +BTRFS_WORK_HELPER(endio_meta_write_helper); +BTRFS_WORK_HELPER(endio_raid56_helper); +BTRFS_WORK_HELPER(rmw_helper); +BTRFS_WORK_HELPER(endio_write_helper); +BTRFS_WORK_HELPER(freespace_write_helper); +BTRFS_WORK_HELPER(delayed_meta_helper); +BTRFS_WORK_HELPER(readahead_helper); +BTRFS_WORK_HELPER(qgroup_rescan_helper); +BTRFS_WORK_HELPER(extent_refs_helper); +BTRFS_WORK_HELPER(scrub_helper); +BTRFS_WORK_HELPER(scrubwrc_helper); +BTRFS_WORK_HELPER(scrubnc_helper); + +static struct __btrfs_workqueue * +__btrfs_alloc_workqueue(const char *name, int flags, int max_active, int thresh) { struct __btrfs_workqueue *ret = kzalloc(sizeof(*ret), GFP_NOFS); @@ -232,13 +262,11 @@ static void run_ordered_work(struct __btrfs_workqueue *wq) spin_unlock_irqrestore(lock, flags); } -static void normal_work_helper(struct work_struct *arg) +static void normal_work_helper(struct btrfs_work *work) { - struct btrfs_work *work; struct __btrfs_workqueue *wq; int need_order = 0; - work = container_of(arg, struct btrfs_work, normal_work); /* * We should not touch things inside work in the following cases: * 1) after work->func() if it has no ordered_free @@ -262,7 +290,7 @@ static void normal_work_helper(struct work_struct *arg) trace_btrfs_all_work_done(work); } -void btrfs_init_work(struct btrfs_work *work, +void btrfs_init_work(struct btrfs_work *work, btrfs_work_func_t uniq_func, btrfs_func_t func, btrfs_func_t ordered_func, btrfs_func_t ordered_free) @@ -270,7 +298,7 @@ void btrfs_init_work(struct btrfs_work *work, work->func = func; work->ordered_func = ordered_func; work->ordered_free = ordered_free; - INIT_WORK(&work->normal_work, normal_work_helper); + INIT_WORK(&work->normal_work, uniq_func); INIT_LIST_HEAD(&work->ordered_list); work->flags = 0; } diff --git a/fs/btrfs/async-thread.h b/fs/btrfs/async-thread.h index 9c6b66d15fb..e9e31c94758 100644 --- a/fs/btrfs/async-thread.h +++ b/fs/btrfs/async-thread.h @@ -19,12 +19,14 @@ #ifndef __BTRFS_ASYNC_THREAD_ #define __BTRFS_ASYNC_THREAD_ +#include <linux/workqueue.h> struct btrfs_workqueue; /* Internal use only */ struct __btrfs_workqueue; struct btrfs_work; typedef void (*btrfs_func_t)(struct btrfs_work *arg); +typedef void (*btrfs_work_func_t)(struct work_struct *arg); struct btrfs_work { btrfs_func_t func; @@ -38,11 +40,35 @@ struct btrfs_work { unsigned long flags; }; +#define BTRFS_WORK_HELPER_PROTO(name) \ +void btrfs_##name(struct work_struct *arg) + +BTRFS_WORK_HELPER_PROTO(worker_helper); +BTRFS_WORK_HELPER_PROTO(delalloc_helper); +BTRFS_WORK_HELPER_PROTO(flush_delalloc_helper); +BTRFS_WORK_HELPER_PROTO(cache_helper); +BTRFS_WORK_HELPER_PROTO(submit_helper); +BTRFS_WORK_HELPER_PROTO(fixup_helper); +BTRFS_WORK_HELPER_PROTO(endio_helper); +BTRFS_WORK_HELPER_PROTO(endio_meta_helper); +BTRFS_WORK_HELPER_PROTO(endio_meta_write_helper); +BTRFS_WORK_HELPER_PROTO(endio_raid56_helper); +BTRFS_WORK_HELPER_PROTO(rmw_helper); +BTRFS_WORK_HELPER_PROTO(endio_write_helper); +BTRFS_WORK_HELPER_PROTO(freespace_write_helper); +BTRFS_WORK_HELPER_PROTO(delayed_meta_helper); +BTRFS_WORK_HELPER_PROTO(readahead_helper); +BTRFS_WORK_HELPER_PROTO(qgroup_rescan_helper); +BTRFS_WORK_HELPER_PROTO(extent_refs_helper); +BTRFS_WORK_HELPER_PROTO(scrub_helper); +BTRFS_WORK_HELPER_PROTO(scrubwrc_helper); +BTRFS_WORK_HELPER_PROTO(scrubnc_helper); + struct btrfs_workqueue *btrfs_alloc_workqueue(const char *name, int flags, int max_active, int thresh); -void btrfs_init_work(struct btrfs_work *work, +void btrfs_init_work(struct btrfs_work *work, btrfs_work_func_t helper, btrfs_func_t func, btrfs_func_t ordered_func, btrfs_func_t ordered_free); diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c index da775bfdebc..a2e90f855d7 100644 --- a/fs/btrfs/delayed-inode.c +++ b/fs/btrfs/delayed-inode.c @@ -1395,8 +1395,8 @@ static int btrfs_wq_run_delayed_node(struct btrfs_delayed_root *delayed_root, return -ENOMEM; async_work->delayed_root = delayed_root; - btrfs_init_work(&async_work->work, btrfs_async_run_delayed_root, - NULL, NULL); + btrfs_init_work(&async_work->work, btrfs_delayed_meta_helper, + btrfs_async_run_delayed_root, NULL, NULL); async_work->nr = nr; btrfs_queue_work(root->fs_info->delayed_workers, &async_work->work); diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index d0ed9e664f7..a1d36e62179 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -39,7 +39,6 @@ #include "btrfs_inode.h" #include "volumes.h" #include "print-tree.h" -#include "async-thread.h" #include "locking.h" #include "tree-log.h" #include "free-space-cache.h" @@ -693,35 +692,41 @@ static void end_workqueue_bio(struct bio *bio, int err) { struct end_io_wq *end_io_wq = bio->bi_private; struct btrfs_fs_info *fs_info; + struct btrfs_workqueue *wq; + btrfs_work_func_t func; fs_info = end_io_wq->info; end_io_wq->error = err; - btrfs_init_work(&end_io_wq->work, end_workqueue_fn, NULL, NULL); if (bio->bi_rw & REQ_WRITE) { - if (end_io_wq->metadata == BTRFS_WQ_ENDIO_METADATA) - btrfs_queue_work(fs_info->endio_meta_write_workers, - &end_io_wq->work); - else if (end_io_wq->metadata == BTRFS_WQ_ENDIO_FREE_SPACE) - btrfs_queue_work(fs_info->endio_freespace_worker, - &end_io_wq->work); - else if (end_io_wq->metadata == BTRFS_WQ_ENDIO_RAID56) - btrfs_queue_work(fs_info->endio_raid56_workers, - &end_io_wq->work); - else - btrfs_queue_work(fs_info->endio_write_workers, - &end_io_wq->work); + if (end_io_wq->metadata == BTRFS_WQ_ENDIO_METADATA) { + wq = fs_info->endio_meta_write_workers; + func = btrfs_endio_meta_write_helper; + } else if (end_io_wq->metadata == BTRFS_WQ_ENDIO_FREE_SPACE) { + wq = fs_info->endio_freespace_worker; + func = btrfs_freespace_write_helper; + } else if (end_io_wq->metadata == BTRFS_WQ_ENDIO_RAID56) { + wq = fs_info->endio_raid56_workers; + func = btrfs_endio_raid56_helper; + } else { + wq = fs_info->endio_write_workers; + func = btrfs_endio_write_helper; + } } else { - if (end_io_wq->metadata == BTRFS_WQ_ENDIO_RAID56) - btrfs_queue_work(fs_info->endio_raid56_workers, - &end_io_wq->work); - else if (end_io_wq->metadata) - btrfs_queue_work(fs_info->endio_meta_workers, - &end_io_wq->work); - else - btrfs_queue_work(fs_info->endio_workers, - &end_io_wq->work); + if (end_io_wq->metadata == BTRFS_WQ_ENDIO_RAID56) { + wq = fs_info->endio_raid56_workers; + func = btrfs_endio_raid56_helper; + } else if (end_io_wq->metadata) { + wq = fs_info->endio_meta_workers; + func = btrfs_endio_meta_helper; + } else { + wq = fs_info->endio_workers; + func = btrfs_endio_helper; + } } + + btrfs_init_work(&end_io_wq->work, func, end_workqueue_fn, NULL, NULL); + btrfs_queue_work(wq, &end_io_wq->work); } /* @@ -828,7 +833,7 @@ int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode, async->submit_bio_start = submit_bio_start; async->submit_bio_done = submit_bio_done; - btrfs_init_work(&async->work, run_one_async_start, + btrfs_init_work(&async->work, btrfs_worker_helper, run_one_async_start, run_one_async_done, run_one_async_free); async->bio_flags = bio_flags; @@ -3450,7 +3455,8 @@ static int write_all_supers(struct btrfs_root *root, int max_mirrors) btrfs_set_stack_device_generation(dev_item, 0); btrfs_set_stack_device_type(dev_item, dev->type); btrfs_set_stack_device_id(dev_item, dev->devid); - btrfs_set_stack_device_total_bytes(dev_item, dev->total_bytes); + btrfs_set_stack_device_total_bytes(dev_item, + dev->disk_total_bytes); btrfs_set_stack_device_bytes_used(dev_item, dev->bytes_used); btrfs_set_stack_device_io_align(dev_item, dev->io_align); btrfs_set_stack_device_io_width(dev_item, dev->io_width); diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 102ed314397..3efe1c3877b 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -552,7 +552,8 @@ static int cache_block_group(struct btrfs_block_group_cache *cache, caching_ctl->block_group = cache; caching_ctl->progress = cache->key.objectid; atomic_set(&caching_ctl->count, 1); - btrfs_init_work(&caching_ctl->work, caching_thread, NULL, NULL); + btrfs_init_work(&caching_ctl->work, btrfs_cache_helper, + caching_thread, NULL, NULL); spin_lock(&cache->lock); /* @@ -2749,8 +2750,8 @@ int btrfs_async_run_delayed_refs(struct btrfs_root *root, async->sync = 0; init_completion(&async->wait); - btrfs_init_work(&async->work, delayed_ref_async_start, - NULL, NULL); + btrfs_init_work(&async->work, btrfs_extent_refs_helper, + delayed_ref_async_start, NULL, NULL); btrfs_queue_work(root->fs_info->extent_workers, &async->work); @@ -3586,13 +3587,7 @@ static u64 get_restripe_target(struct btrfs_fs_info *fs_info, u64 flags) */ static u64 btrfs_reduce_alloc_profile(struct btrfs_root *root, u64 flags) { - /* - * we add in the count of missing devices because we want - * to make sure that any RAID levels on a degraded FS - * continue to be honored. - */ - u64 num_devices = root->fs_info->fs_devices->rw_devices + - root->fs_info->fs_devices->missing_devices; + u64 num_devices = root->fs_info->fs_devices->rw_devices; u64 target; u64 tmp; @@ -8440,13 +8435,7 @@ static u64 update_block_group_flags(struct btrfs_root *root, u64 flags) if (stripped) return extended_to_chunk(stripped); - /* - * we add in the count of missing devices because we want - * to make sure that any RAID levels on a degraded FS - * continue to be honored. - */ - num_devices = root->fs_info->fs_devices->rw_devices + - root->fs_info->fs_devices->missing_devices; + num_devices = root->fs_info->fs_devices->rw_devices; stripped = BTRFS_BLOCK_GROUP_RAID0 | BTRFS_BLOCK_GROUP_RAID5 | BTRFS_BLOCK_GROUP_RAID6 | diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 3e11aab9f39..af0359dcf33 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2532,6 +2532,7 @@ static void end_bio_extent_readpage(struct bio *bio, int err) test_bit(BIO_UPTODATE, &bio->bi_flags); if (err) uptodate = 0; + offset += len; continue; } } @@ -4207,8 +4208,8 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, return -ENOMEM; path->leave_spinning = 1; - start = ALIGN(start, BTRFS_I(inode)->root->sectorsize); - len = ALIGN(len, BTRFS_I(inode)->root->sectorsize); + start = round_down(start, BTRFS_I(inode)->root->sectorsize); + len = round_up(max, BTRFS_I(inode)->root->sectorsize) - start; /* * lookup the last file extent. We're not using i_size here diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index d3afac292d6..ff1cc0399b9 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1840,7 +1840,15 @@ int btrfs_release_file(struct inode *inode, struct file *filp) { if (filp->private_data) btrfs_ioctl_trans_end(filp); - filemap_flush(inode->i_mapping); + /* + * ordered_data_close is set by settattr when we are about to truncate + * a file from a non-zero size to a zero size. This tries to + * flush down new bytes that may have been written if the + * application were using truncate to replace a file in place. + */ + if (test_and_clear_bit(BTRFS_INODE_ORDERED_DATA_CLOSE, + &BTRFS_I(inode)->runtime_flags)) + filemap_flush(inode->i_mapping); return 0; } @@ -1958,7 +1966,7 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) btrfs_init_log_ctx(&ctx); - ret = btrfs_log_dentry_safe(trans, root, dentry, &ctx); + ret = btrfs_log_dentry_safe(trans, root, dentry, start, end, &ctx); if (ret < 0) { /* Fallthrough and commit/free transaction. */ ret = 1; @@ -2088,10 +2096,9 @@ static int fill_holes(struct btrfs_trans_handle *trans, struct inode *inode, goto out; } - if (hole_mergeable(inode, leaf, path->slots[0]+1, offset, end)) { + if (hole_mergeable(inode, leaf, path->slots[0], offset, end)) { u64 num_bytes; - path->slots[0]++; key.offset = offset; btrfs_set_item_key_safe(root, path, &key); fi = btrfs_item_ptr(leaf, path->slots[0], @@ -2216,7 +2223,7 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len) goto out_only_mutex; } - lockstart = round_up(offset , BTRFS_I(inode)->root->sectorsize); + lockstart = round_up(offset, BTRFS_I(inode)->root->sectorsize); lockend = round_down(offset + len, BTRFS_I(inode)->root->sectorsize) - 1; same_page = ((offset >> PAGE_CACHE_SHIFT) == @@ -2277,7 +2284,7 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len) tail_start + tail_len, 0, 1); if (ret) goto out_only_mutex; - } + } } } diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 03708ef3dee..016c403bfe7 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -778,8 +778,12 @@ retry: ins.offset, BTRFS_ORDERED_COMPRESSED, async_extent->compress_type); - if (ret) + if (ret) { + btrfs_drop_extent_cache(inode, async_extent->start, + async_extent->start + + async_extent->ram_size - 1, 0); goto out_free_reserve; + } /* * clear dirty, set writeback and unlock the pages. @@ -971,14 +975,14 @@ static noinline int cow_file_range(struct inode *inode, ret = btrfs_add_ordered_extent(inode, start, ins.objectid, ram_size, cur_alloc_size, 0); if (ret) - goto out_reserve; + goto out_drop_extent_cache; if (root->root_key.objectid == BTRFS_DATA_RELOC_TREE_OBJECTID) { ret = btrfs_reloc_clone_csums(inode, start, cur_alloc_size); if (ret) - goto out_reserve; + goto out_drop_extent_cache; } if (disk_num_bytes < cur_alloc_size) @@ -1006,6 +1010,8 @@ static noinline int cow_file_range(struct inode *inode, out: return ret; +out_drop_extent_cache: + btrfs_drop_extent_cache(inode, start, start + ram_size - 1, 0); out_reserve: btrfs_free_reserved_extent(root, ins.objectid, ins.offset, 1); out_unlock: @@ -1096,8 +1102,10 @@ static int cow_file_range_async(struct inode *inode, struct page *locked_page, async_cow->end = cur_end; INIT_LIST_HEAD(&async_cow->extents); - btrfs_init_work(&async_cow->work, async_cow_start, - async_cow_submit, async_cow_free); + btrfs_init_work(&async_cow->work, + btrfs_delalloc_helper, + async_cow_start, async_cow_submit, + async_cow_free); nr_pages = (cur_end - start + PAGE_CACHE_SIZE) >> PAGE_CACHE_SHIFT; @@ -1881,7 +1889,8 @@ static int btrfs_writepage_start_hook(struct page *page, u64 start, u64 end) SetPageChecked(page); page_cache_get(page); - btrfs_init_work(&fixup->work, btrfs_writepage_fixup_worker, NULL, NULL); + btrfs_init_work(&fixup->work, btrfs_fixup_helper, + btrfs_writepage_fixup_worker, NULL, NULL); fixup->page = page; btrfs_queue_work(root->fs_info->fixup_workers, &fixup->work); return -EBUSY; @@ -2822,7 +2831,8 @@ static int btrfs_writepage_end_io_hook(struct page *page, u64 start, u64 end, struct inode *inode = page->mapping->host; struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_ordered_extent *ordered_extent = NULL; - struct btrfs_workqueue *workers; + struct btrfs_workqueue *wq; + btrfs_work_func_t func; trace_btrfs_writepage_end_io_hook(page, start, end, uptodate); @@ -2831,13 +2841,17 @@ static int btrfs_writepage_end_io_hook(struct page *page, u64 start, u64 end, end - start + 1, uptodate)) return 0; - btrfs_init_work(&ordered_extent->work, finish_ordered_fn, NULL, NULL); + if (btrfs_is_free_space_inode(inode)) { + wq = root->fs_info->endio_freespace_worker; + func = btrfs_freespace_write_helper; + } else { + wq = root->fs_info->endio_write_workers; + func = btrfs_endio_write_helper; + } - if (btrfs_is_free_space_inode(inode)) - workers = root->fs_info->endio_freespace_worker; - else - workers = root->fs_info->endio_write_workers; - btrfs_queue_work(workers, &ordered_extent->work); + btrfs_init_work(&ordered_extent->work, func, finish_ordered_fn, NULL, + NULL); + btrfs_queue_work(wq, &ordered_extent->work); return 0; } @@ -4234,7 +4248,8 @@ out: btrfs_abort_transaction(trans, root, ret); } error: - if (last_size != (u64)-1) + if (last_size != (u64)-1 && + root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID) btrfs_ordered_update_i_size(inode, last_size, NULL); btrfs_free_path(path); return err; @@ -4674,6 +4689,11 @@ static void evict_inode_truncate_pages(struct inode *inode) clear_bit(EXTENT_FLAG_LOGGING, &em->flags); remove_extent_mapping(map_tree, em); free_extent_map(em); + if (need_resched()) { + write_unlock(&map_tree->lock); + cond_resched(); + write_lock(&map_tree->lock); + } } write_unlock(&map_tree->lock); @@ -4696,6 +4716,7 @@ static void evict_inode_truncate_pages(struct inode *inode) &cached_state, GFP_NOFS); free_extent_state(state); + cond_resched(); spin_lock(&io_tree->lock); } spin_unlock(&io_tree->lock); @@ -5181,6 +5202,42 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry) iput(inode); inode = ERR_PTR(ret); } + /* + * If orphan cleanup did remove any orphans, it means the tree + * was modified and therefore the commit root is not the same as + * the current root anymore. This is a problem, because send + * uses the commit root and therefore can see inode items that + * don't exist in the current root anymore, and for example make + * calls to btrfs_iget, which will do tree lookups based on the + * current root and not on the commit root. Those lookups will + * fail, returning a -ESTALE error, and making send fail with + * that error. So make sure a send does not see any orphans we + * have just removed, and that it will see the same inodes + * regardless of whether a transaction commit happened before + * it started (meaning that the commit root will be the same as + * the current root) or not. + */ + if (sub_root->node != sub_root->commit_root) { + u64 sub_flags = btrfs_root_flags(&sub_root->root_item); + + if (sub_flags & BTRFS_ROOT_SUBVOL_RDONLY) { + struct extent_buffer *eb; + + /* + * Assert we can't have races between dentry + * lookup called through the snapshot creation + * ioctl and the VFS. + */ + ASSERT(mutex_is_locked(&dir->i_mutex)); + + down_write(&root->fs_info->commit_root_sem); + eb = sub_root->commit_root; + sub_root->commit_root = + btrfs_root_node(sub_root); + up_write(&root->fs_info->commit_root_sem); + free_extent_buffer(eb); + } + } } return inode; @@ -5577,6 +5634,17 @@ int btrfs_set_inode_index(struct inode *dir, u64 *index) return ret; } +static int btrfs_insert_inode_locked(struct inode *inode) +{ + struct btrfs_iget_args args; + args.location = &BTRFS_I(inode)->location; + args.root = BTRFS_I(inode)->root; + + return insert_inode_locked4(inode, + btrfs_inode_hash(inode->i_ino, BTRFS_I(inode)->root), + btrfs_find_actor, &args); +} + static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct inode *dir, @@ -5606,6 +5674,13 @@ static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans, } /* + * O_TMPFILE, set link count to 0, so that after this point, + * we fill in an inode item with the correct link count. + */ + if (!name) + set_nlink(inode, 0); + + /* * we have to initialize this early, so we can reclaim the inode * number if we fail afterwards in this function. */ @@ -5662,10 +5737,19 @@ static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans, sizes[1] = name_len + sizeof(*ref); } + location = &BTRFS_I(inode)->location; + location->objectid = objectid; + location->offset = 0; + btrfs_set_key_type(location, BTRFS_INODE_ITEM_KEY); + + ret = btrfs_insert_inode_locked(inode); + if (ret < 0) + goto fail; + path->leave_spinning = 1; ret = btrfs_insert_empty_items(trans, root, path, key, sizes, nitems); if (ret != 0) - goto fail; + goto fail_unlock; inode_init_owner(inode, dir, mode); inode_set_bytes(inode, 0); @@ -5688,11 +5772,6 @@ static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans, btrfs_mark_buffer_dirty(path->nodes[0]); btrfs_free_path(path); - location = &BTRFS_I(inode)->location; - location->objectid = objectid; - location->offset = 0; - btrfs_set_key_type(location, BTRFS_INODE_ITEM_KEY); - btrfs_inherit_iflags(inode, dir); if (S_ISREG(mode)) { @@ -5703,7 +5782,6 @@ static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans, BTRFS_INODE_NODATASUM; } - btrfs_insert_inode_hash(inode); inode_tree_add(inode); trace_btrfs_inode_new(inode); @@ -5718,6 +5796,9 @@ static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans, btrfs_ino(inode), root->root_key.objectid, ret); return inode; + +fail_unlock: + unlock_new_inode(inode); fail: if (dir && name) BTRFS_I(dir)->index_cnt--; @@ -5852,28 +5933,28 @@ static int btrfs_mknod(struct inode *dir, struct dentry *dentry, goto out_unlock; } - err = btrfs_init_inode_security(trans, inode, dir, &dentry->d_name); - if (err) { - drop_inode = 1; - goto out_unlock; - } - /* * If the active LSM wants to access the inode during * d_instantiate it needs these. Smack checks to see * if the filesystem supports xattrs by looking at the * ops vector. */ - inode->i_op = &btrfs_special_inode_operations; - err = btrfs_add_nondir(trans, dir, dentry, inode, 0, index); + init_special_inode(inode, inode->i_mode, rdev); + + err = btrfs_init_inode_security(trans, inode, dir, &dentry->d_name); if (err) - drop_inode = 1; - else { - init_special_inode(inode, inode->i_mode, rdev); + goto out_unlock_inode; + + err = btrfs_add_nondir(trans, dir, dentry, inode, 0, index); + if (err) { + goto out_unlock_inode; + } else { btrfs_update_inode(trans, root, inode); + unlock_new_inode(inode); d_instantiate(dentry, inode); } + out_unlock: btrfs_end_transaction(trans, root); btrfs_balance_delayed_items(root); @@ -5883,6 +5964,12 @@ out_unlock: iput(inode); } return err; + +out_unlock_inode: + drop_inode = 1; + unlock_new_inode(inode); + goto out_unlock; + } static int btrfs_create(struct inode *dir, struct dentry *dentry, @@ -5917,15 +6004,6 @@ static int btrfs_create(struct inode *dir, struct dentry *dentry, goto out_unlock; } drop_inode_on_err = 1; - - err = btrfs_init_inode_security(trans, inode, dir, &dentry->d_name); - if (err) - goto out_unlock; - - err = btrfs_update_inode(trans, root, inode); - if (err) - goto out_unlock; - /* * If the active LSM wants to access the inode during * d_instantiate it needs these. Smack checks to see @@ -5934,14 +6012,23 @@ static int btrfs_create(struct inode *dir, struct dentry *dentry, */ inode->i_fop = &btrfs_file_operations; inode->i_op = &btrfs_file_inode_operations; + inode->i_mapping->a_ops = &btrfs_aops; + inode->i_mapping->backing_dev_info = &root->fs_info->bdi; + + err = btrfs_init_inode_security(trans, inode, dir, &dentry->d_name); + if (err) + goto out_unlock_inode; + + err = btrfs_update_inode(trans, root, inode); + if (err) + goto out_unlock_inode; err = btrfs_add_nondir(trans, dir, dentry, inode, 0, index); if (err) - goto out_unlock; + goto out_unlock_inode; - inode->i_mapping->a_ops = &btrfs_aops; - inode->i_mapping->backing_dev_info = &root->fs_info->bdi; BTRFS_I(inode)->io_tree.ops = &btrfs_extent_io_ops; + unlock_new_inode(inode); d_instantiate(dentry, inode); out_unlock: @@ -5953,6 +6040,11 @@ out_unlock: btrfs_balance_delayed_items(root); btrfs_btree_balance_dirty(root); return err; + +out_unlock_inode: + unlock_new_inode(inode); + goto out_unlock; + } static int btrfs_link(struct dentry *old_dentry, struct inode *dir, @@ -6060,25 +6152,30 @@ static int btrfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) } drop_on_err = 1; + /* these must be set before we unlock the inode */ + inode->i_op = &btrfs_dir_inode_operations; + inode->i_fop = &btrfs_dir_file_operations; err = btrfs_init_inode_security(trans, inode, dir, &dentry->d_name); if (err) - goto out_fail; - - inode->i_op = &btrfs_dir_inode_operations; - inode->i_fop = &btrfs_dir_file_operations; + goto out_fail_inode; btrfs_i_size_write(inode, 0); err = btrfs_update_inode(trans, root, inode); if (err) - goto out_fail; + goto out_fail_inode; err = btrfs_add_link(trans, dir, inode, dentry->d_name.name, dentry->d_name.len, 0, index); if (err) - goto out_fail; + goto out_fail_inode; d_instantiate(dentry, inode); + /* + * mkdir is special. We're unlocking after we call d_instantiate + * to avoid a race with nfsd calling d_instantiate. + */ + unlock_new_inode(inode); drop_on_err = 0; out_fail: @@ -6088,6 +6185,10 @@ out_fail: btrfs_balance_delayed_items(root); btrfs_btree_balance_dirty(root); return err; + +out_fail_inode: + unlock_new_inode(inode); + goto out_fail; } /* helper for btfs_get_extent. Given an existing extent in the tree, @@ -6097,14 +6198,14 @@ out_fail: static int merge_extent_mapping(struct extent_map_tree *em_tree, struct extent_map *existing, struct extent_map *em, - u64 map_start, u64 map_len) + u64 map_start) { u64 start_diff; BUG_ON(map_start < em->start || map_start >= extent_map_end(em)); start_diff = map_start - em->start; em->start = map_start; - em->len = map_len; + em->len = existing->start - em->start; if (em->block_start < EXTENT_MAP_LAST_BYTE && !test_bit(EXTENT_FLAG_COMPRESSED, &em->flags)) { em->block_start += start_diff; @@ -6275,6 +6376,8 @@ next: goto not_found; if (start + len <= found_key.offset) goto not_found; + if (start > found_key.offset) + goto next; em->start = start; em->orig_start = start; em->len = found_key.offset - start; @@ -6390,8 +6493,7 @@ insert: em->len); if (existing) { err = merge_extent_mapping(em_tree, existing, - em, start, - root->sectorsize); + em, start); free_extent_map(existing); if (err) { free_extent_map(em); @@ -7158,7 +7260,8 @@ again: if (!ret) goto out_test; - btrfs_init_work(&ordered->work, finish_ordered_fn, NULL, NULL); + btrfs_init_work(&ordered->work, btrfs_endio_write_helper, + finish_ordered_fn, NULL, NULL); btrfs_queue_work(root->fs_info->endio_write_workers, &ordered->work); out_test: @@ -7306,10 +7409,8 @@ static int btrfs_submit_direct_hook(int rw, struct btrfs_dio_private *dip, map_length = orig_bio->bi_iter.bi_size; ret = btrfs_map_block(root->fs_info, rw, start_sector << 9, &map_length, NULL, 0); - if (ret) { - bio_put(orig_bio); + if (ret) return -EIO; - } if (map_length >= orig_bio->bi_iter.bi_size) { bio = orig_bio; @@ -7326,6 +7427,7 @@ static int btrfs_submit_direct_hook(int rw, struct btrfs_dio_private *dip, bio = btrfs_dio_bio_alloc(orig_bio->bi_bdev, start_sector, GFP_NOFS); if (!bio) return -ENOMEM; + bio->bi_private = dip; bio->bi_end_io = btrfs_end_dio_bio; atomic_inc(&dip->pending_bios); @@ -7534,7 +7636,8 @@ static ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb, count = iov_iter_count(iter); if (test_bit(BTRFS_INODE_HAS_ASYNC_EXTENT, &BTRFS_I(inode)->runtime_flags)) - filemap_fdatawrite_range(inode->i_mapping, offset, count); + filemap_fdatawrite_range(inode->i_mapping, offset, + offset + count - 1); if (rw & WRITE) { /* @@ -8041,6 +8144,7 @@ int btrfs_create_subvol_root(struct btrfs_trans_handle *trans, set_nlink(inode, 1); btrfs_i_size_write(inode, 0); + unlock_new_inode(inode); err = btrfs_subvol_inherit_props(trans, new_root, parent_root); if (err) @@ -8495,7 +8599,9 @@ struct btrfs_delalloc_work *btrfs_alloc_delalloc_work(struct inode *inode, work->inode = inode; work->wait = wait; work->delay_iput = delay_iput; - btrfs_init_work(&work->work, btrfs_run_delalloc_work, NULL, NULL); + WARN_ON_ONCE(!inode); + btrfs_init_work(&work->work, btrfs_flush_delalloc_helper, + btrfs_run_delalloc_work, NULL, NULL); return work; } @@ -8699,12 +8805,6 @@ static int btrfs_symlink(struct inode *dir, struct dentry *dentry, goto out_unlock; } - err = btrfs_init_inode_security(trans, inode, dir, &dentry->d_name); - if (err) { - drop_inode = 1; - goto out_unlock; - } - /* * If the active LSM wants to access the inode during * d_instantiate it needs these. Smack checks to see @@ -8713,23 +8813,22 @@ static int btrfs_symlink(struct inode *dir, struct dentry *dentry, */ inode->i_fop = &btrfs_file_operations; inode->i_op = &btrfs_file_inode_operations; + inode->i_mapping->a_ops = &btrfs_aops; + inode->i_mapping->backing_dev_info = &root->fs_info->bdi; + BTRFS_I(inode)->io_tree.ops = &btrfs_extent_io_ops; + + err = btrfs_init_inode_security(trans, inode, dir, &dentry->d_name); + if (err) + goto out_unlock_inode; err = btrfs_add_nondir(trans, dir, dentry, inode, 0, index); if (err) - drop_inode = 1; - else { - inode->i_mapping->a_ops = &btrfs_aops; - inode->i_mapping->backing_dev_info = &root->fs_info->bdi; - BTRFS_I(inode)->io_tree.ops = &btrfs_extent_io_ops; - } - if (drop_inode) - goto out_unlock; + goto out_unlock_inode; path = btrfs_alloc_path(); if (!path) { err = -ENOMEM; - drop_inode = 1; - goto out_unlock; + goto out_unlock_inode; } key.objectid = btrfs_ino(inode); key.offset = 0; @@ -8738,9 +8837,8 @@ static int btrfs_symlink(struct inode *dir, struct dentry *dentry, err = btrfs_insert_empty_item(trans, root, path, &key, datasize); if (err) { - drop_inode = 1; btrfs_free_path(path); - goto out_unlock; + goto out_unlock_inode; } leaf = path->nodes[0]; ei = btrfs_item_ptr(leaf, path->slots[0], @@ -8764,12 +8862,15 @@ static int btrfs_symlink(struct inode *dir, struct dentry *dentry, inode_set_bytes(inode, name_len); btrfs_i_size_write(inode, name_len); err = btrfs_update_inode(trans, root, inode); - if (err) + if (err) { drop_inode = 1; + goto out_unlock_inode; + } + + unlock_new_inode(inode); + d_instantiate(dentry, inode); out_unlock: - if (!err) - d_instantiate(dentry, inode); btrfs_end_transaction(trans, root); if (drop_inode) { inode_dec_link_count(inode); @@ -8777,6 +8878,11 @@ out_unlock: } btrfs_btree_balance_dirty(root); return err; + +out_unlock_inode: + drop_inode = 1; + unlock_new_inode(inode); + goto out_unlock; } static int __btrfs_prealloc_file_range(struct inode *inode, int mode, @@ -8960,14 +9066,6 @@ static int btrfs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode) goto out; } - ret = btrfs_init_inode_security(trans, inode, dir, NULL); - if (ret) - goto out; - - ret = btrfs_update_inode(trans, root, inode); - if (ret) - goto out; - inode->i_fop = &btrfs_file_operations; inode->i_op = &btrfs_file_inode_operations; @@ -8975,10 +9073,26 @@ static int btrfs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode) inode->i_mapping->backing_dev_info = &root->fs_info->bdi; BTRFS_I(inode)->io_tree.ops = &btrfs_extent_io_ops; + ret = btrfs_init_inode_security(trans, inode, dir, NULL); + if (ret) + goto out_inode; + + ret = btrfs_update_inode(trans, root, inode); + if (ret) + goto out_inode; ret = btrfs_orphan_add(trans, inode); if (ret) - goto out; + goto out_inode; + /* + * We set number of links to 0 in btrfs_new_inode(), and here we set + * it to 1 because d_tmpfile() will issue a warning if the count is 0, + * through: + * + * d_tmpfile() -> inode_dec_link_count() -> drop_nlink() + */ + set_nlink(inode, 1); + unlock_new_inode(inode); d_tmpfile(dentry, inode); mark_inode_dirty(inode); @@ -8988,8 +9102,12 @@ out: iput(inode); btrfs_balance_delayed_items(root); btrfs_btree_balance_dirty(root); - return ret; + +out_inode: + unlock_new_inode(inode); + goto out; + } static const struct inode_operations btrfs_dir_inode_operations = { diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 47aceb494d1..8a8e29878c3 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -711,39 +711,6 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir, if (ret) goto fail; - ret = btrfs_orphan_cleanup(pending_snapshot->snap); - if (ret) - goto fail; - - /* - * If orphan cleanup did remove any orphans, it means the tree was - * modified and therefore the commit root is not the same as the - * current root anymore. This is a problem, because send uses the - * commit root and therefore can see inode items that don't exist - * in the current root anymore, and for example make calls to - * btrfs_iget, which will do tree lookups based on the current root - * and not on the commit root. Those lookups will fail, returning a - * -ESTALE error, and making send fail with that error. So make sure - * a send does not see any orphans we have just removed, and that it - * will see the same inodes regardless of whether a transaction - * commit happened before it started (meaning that the commit root - * will be the same as the current root) or not. - */ - if (readonly && pending_snapshot->snap->node != - pending_snapshot->snap->commit_root) { - trans = btrfs_join_transaction(pending_snapshot->snap); - if (IS_ERR(trans) && PTR_ERR(trans) != -ENOENT) { - ret = PTR_ERR(trans); - goto fail; - } - if (!IS_ERR(trans)) { - ret = btrfs_commit_transaction(trans, - pending_snapshot->snap); - if (ret) - goto fail; - } - } - inode = btrfs_lookup_dentry(dentry->d_parent->d_inode, dentry); if (IS_ERR(inode)) { ret = PTR_ERR(inode); @@ -1052,8 +1019,10 @@ static bool defrag_check_next_extent(struct inode *inode, struct extent_map *em) return false; next = defrag_lookup_extent(inode, em->start + em->len); - if (!next || next->block_start >= EXTENT_MAP_LAST_BYTE || - (em->block_start + em->block_len == next->block_start)) + if (!next || next->block_start >= EXTENT_MAP_LAST_BYTE) + ret = false; + else if ((em->block_start + em->block_len == next->block_start) && + (em->block_len > 128 * 1024 && next->block_len > 128 * 1024)) ret = false; free_extent_map(next); @@ -1088,7 +1057,6 @@ static int should_defrag_range(struct inode *inode, u64 start, int thresh, } next_mergeable = defrag_check_next_extent(inode, em); - /* * we hit a real extent, if it is big or the next extent is not a * real extent, don't bother defragging it @@ -1735,7 +1703,7 @@ static noinline int btrfs_ioctl_snap_create_v2(struct file *file, ~(BTRFS_SUBVOL_CREATE_ASYNC | BTRFS_SUBVOL_RDONLY | BTRFS_SUBVOL_QGROUP_INHERIT)) { ret = -EOPNOTSUPP; - goto out; + goto free_args; } if (vol_args->flags & BTRFS_SUBVOL_CREATE_ASYNC) @@ -1745,27 +1713,31 @@ static noinline int btrfs_ioctl_snap_create_v2(struct file *file, if (vol_args->flags & BTRFS_SUBVOL_QGROUP_INHERIT) { if (vol_args->size > PAGE_CACHE_SIZE) { ret = -EINVAL; - goto out; + goto free_args; } inherit = memdup_user(vol_args->qgroup_inherit, vol_args->size); if (IS_ERR(inherit)) { ret = PTR_ERR(inherit); - goto out; + goto free_args; } } ret = btrfs_ioctl_snap_create_transid(file, vol_args->name, vol_args->fd, subvol, ptr, readonly, inherit); + if (ret) + goto free_inherit; - if (ret == 0 && ptr && - copy_to_user(arg + - offsetof(struct btrfs_ioctl_vol_args_v2, - transid), ptr, sizeof(*ptr))) + if (ptr && copy_to_user(arg + + offsetof(struct btrfs_ioctl_vol_args_v2, + transid), + ptr, sizeof(*ptr))) ret = -EFAULT; -out: - kfree(vol_args); + +free_inherit: kfree(inherit); +free_args: + kfree(vol_args); return ret; } @@ -2685,7 +2657,7 @@ static long btrfs_ioctl_rm_dev(struct file *file, void __user *arg) vol_args = memdup_user(arg, sizeof(*vol_args)); if (IS_ERR(vol_args)) { ret = PTR_ERR(vol_args); - goto out; + goto err_drop; } vol_args->name[BTRFS_PATH_NAME_MAX] = '\0'; @@ -2703,6 +2675,7 @@ static long btrfs_ioctl_rm_dev(struct file *file, void __user *arg) out: kfree(vol_args); +err_drop: mnt_drop_write_file(file); return ret; } @@ -3527,7 +3500,8 @@ process_slot: btrfs_mark_buffer_dirty(leaf); btrfs_release_path(path); - last_dest_end = new_key.offset + datal; + last_dest_end = ALIGN(new_key.offset + datal, + root->sectorsize); ret = clone_finish_inode_update(trans, inode, last_dest_end, destoff, olen); diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index 963895c1f80..ac734ec4cc2 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -615,6 +615,7 @@ int btrfs_wait_ordered_extents(struct btrfs_root *root, int nr) spin_unlock(&root->ordered_extent_lock); btrfs_init_work(&ordered->flush_work, + btrfs_flush_delalloc_helper, btrfs_run_ordered_extent_work, NULL, NULL); list_add_tail(&ordered->work_list, &works); btrfs_queue_work(root->fs_info->flush_workers, diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index b497498484b..ded5c601d91 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -1973,7 +1973,7 @@ static int qgroup_subtree_accounting(struct btrfs_trans_handle *trans, elem.seq, &roots); btrfs_put_tree_mod_seq(fs_info, &elem); if (ret < 0) - return ret; + goto out; if (roots->nnodes != 1) goto out; @@ -2720,6 +2720,7 @@ qgroup_rescan_init(struct btrfs_fs_info *fs_info, u64 progress_objectid, memset(&fs_info->qgroup_rescan_work, 0, sizeof(fs_info->qgroup_rescan_work)); btrfs_init_work(&fs_info->qgroup_rescan_work, + btrfs_qgroup_rescan_helper, btrfs_qgroup_rescan_worker, NULL, NULL); if (ret) { diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index 4a88f073fdd..0a6b6e4bcbb 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -1416,7 +1416,8 @@ cleanup: static void async_rmw_stripe(struct btrfs_raid_bio *rbio) { - btrfs_init_work(&rbio->work, rmw_work, NULL, NULL); + btrfs_init_work(&rbio->work, btrfs_rmw_helper, + rmw_work, NULL, NULL); btrfs_queue_work(rbio->fs_info->rmw_workers, &rbio->work); @@ -1424,7 +1425,8 @@ static void async_rmw_stripe(struct btrfs_raid_bio *rbio) static void async_read_rebuild(struct btrfs_raid_bio *rbio) { - btrfs_init_work(&rbio->work, read_rebuild_work, NULL, NULL); + btrfs_init_work(&rbio->work, btrfs_rmw_helper, + read_rebuild_work, NULL, NULL); btrfs_queue_work(rbio->fs_info->rmw_workers, &rbio->work); @@ -1665,7 +1667,8 @@ static void btrfs_raid_unplug(struct blk_plug_cb *cb, bool from_schedule) plug = container_of(cb, struct btrfs_plug_cb, cb); if (from_schedule) { - btrfs_init_work(&plug->work, unplug_work, NULL, NULL); + btrfs_init_work(&plug->work, btrfs_rmw_helper, + unplug_work, NULL, NULL); btrfs_queue_work(plug->info->rmw_workers, &plug->work); return; diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c index 09230cf3a24..20408c6b665 100644 --- a/fs/btrfs/reada.c +++ b/fs/btrfs/reada.c @@ -798,7 +798,8 @@ static void reada_start_machine(struct btrfs_fs_info *fs_info) /* FIXME we cannot handle this properly right now */ BUG(); } - btrfs_init_work(&rmw->work, reada_start_machine_worker, NULL, NULL); + btrfs_init_work(&rmw->work, btrfs_readahead_helper, + reada_start_machine_worker, NULL, NULL); rmw->fs_info = fs_info; btrfs_queue_work(fs_info->readahead_workers, &rmw->work); diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index b6d198f5181..f4a41f37be2 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -428,8 +428,8 @@ struct scrub_ctx *scrub_setup_ctx(struct btrfs_device *dev, int is_dev_replace) sbio->index = i; sbio->sctx = sctx; sbio->page_count = 0; - btrfs_init_work(&sbio->work, scrub_bio_end_io_worker, - NULL, NULL); + btrfs_init_work(&sbio->work, btrfs_scrub_helper, + scrub_bio_end_io_worker, NULL, NULL); if (i != SCRUB_BIOS_PER_SCTX - 1) sctx->bios[i]->next_free = i + 1; @@ -999,8 +999,8 @@ nodatasum_case: fixup_nodatasum->root = fs_info->extent_root; fixup_nodatasum->mirror_num = failed_mirror_index + 1; scrub_pending_trans_workers_inc(sctx); - btrfs_init_work(&fixup_nodatasum->work, scrub_fixup_nodatasum, - NULL, NULL); + btrfs_init_work(&fixup_nodatasum->work, btrfs_scrub_helper, + scrub_fixup_nodatasum, NULL, NULL); btrfs_queue_work(fs_info->scrub_workers, &fixup_nodatasum->work); goto out; @@ -1616,7 +1616,8 @@ static void scrub_wr_bio_end_io(struct bio *bio, int err) sbio->err = err; sbio->bio = bio; - btrfs_init_work(&sbio->work, scrub_wr_bio_end_io_worker, NULL, NULL); + btrfs_init_work(&sbio->work, btrfs_scrubwrc_helper, + scrub_wr_bio_end_io_worker, NULL, NULL); btrfs_queue_work(fs_info->scrub_wr_completion_workers, &sbio->work); } @@ -2904,6 +2905,7 @@ int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start, struct scrub_ctx *sctx; int ret; struct btrfs_device *dev; + struct rcu_string *name; if (btrfs_fs_closing(fs_info)) return -EINVAL; @@ -2965,6 +2967,16 @@ int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start, return -ENODEV; } + if (!is_dev_replace && !readonly && !dev->writeable) { + mutex_unlock(&fs_info->fs_devices->device_list_mutex); + rcu_read_lock(); + name = rcu_dereference(dev->name); + btrfs_err(fs_info, "scrub: device %s is not writable", + name->str); + rcu_read_unlock(); + return -EROFS; + } + mutex_lock(&fs_info->scrub_lock); if (!dev->in_fs_metadata || dev->is_tgtdev_for_dev_replace) { mutex_unlock(&fs_info->scrub_lock); @@ -3203,7 +3215,8 @@ static int copy_nocow_pages(struct scrub_ctx *sctx, u64 logical, u64 len, nocow_ctx->len = len; nocow_ctx->mirror_num = mirror_num; nocow_ctx->physical_for_dev_replace = physical_for_dev_replace; - btrfs_init_work(&nocow_ctx->work, copy_nocow_pages_worker, NULL, NULL); + btrfs_init_work(&nocow_ctx->work, btrfs_scrubnc_helper, + copy_nocow_pages_worker, NULL, NULL); INIT_LIST_HEAD(&nocow_ctx->inodes); btrfs_queue_work(fs_info->scrub_nocow_workers, &nocow_ctx->work); diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 78699364f53..12e53556e21 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -614,7 +614,7 @@ int btrfs_kobj_rm_device(struct btrfs_fs_info *fs_info, if (!fs_info->device_dir_kobj) return -EINVAL; - if (one_device) { + if (one_device && one_device->bdev) { disk = one_device->bdev->bd_part; disk_kobj = &part_to_dev(disk)->kobj; diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 9e1f2cd5e67..d296efe2d3e 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -94,8 +94,10 @@ #define LOG_WALK_REPLAY_ALL 3 static int btrfs_log_inode(struct btrfs_trans_handle *trans, - struct btrfs_root *root, struct inode *inode, - int inode_only); + struct btrfs_root *root, struct inode *inode, + int inode_only, + const loff_t start, + const loff_t end); static int link_to_fixup_dir(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_path *path, u64 objectid); @@ -3298,7 +3300,7 @@ static noinline int copy_items(struct btrfs_trans_handle *trans, struct list_head ordered_sums; int skip_csum = BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM; bool has_extents = false; - bool need_find_last_extent = (*last_extent == 0); + bool need_find_last_extent = true; bool done = false; INIT_LIST_HEAD(&ordered_sums); @@ -3352,8 +3354,7 @@ static noinline int copy_items(struct btrfs_trans_handle *trans, */ if (ins_keys[i].type == BTRFS_EXTENT_DATA_KEY) { has_extents = true; - if (need_find_last_extent && - first_key.objectid == (u64)-1) + if (first_key.objectid == (u64)-1) first_key = ins_keys[i]; } else { need_find_last_extent = false; @@ -3427,6 +3428,16 @@ static noinline int copy_items(struct btrfs_trans_handle *trans, if (!has_extents) return ret; + if (need_find_last_extent && *last_extent == first_key.offset) { + /* + * We don't have any leafs between our current one and the one + * we processed before that can have file extent items for our + * inode (and have a generation number smaller than our current + * transaction id). + */ + need_find_last_extent = false; + } + /* * Because we use btrfs_search_forward we could skip leaves that were * not modified and then assume *last_extent is valid when it really @@ -3537,7 +3548,7 @@ fill_holes: 0, 0); if (ret) break; - *last_extent = offset + len; + *last_extent = extent_end; } /* * Need to let the callers know we dropped the path so they should @@ -3849,8 +3860,10 @@ process: * This handles both files and directories. */ static int btrfs_log_inode(struct btrfs_trans_handle *trans, - struct btrfs_root *root, struct inode *inode, - int inode_only) + struct btrfs_root *root, struct inode *inode, + int inode_only, + const loff_t start, + const loff_t end) { struct btrfs_path *path; struct btrfs_path *dst_path; @@ -3867,6 +3880,7 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans, int ins_nr; bool fast_search = false; u64 ino = btrfs_ino(inode); + struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree; path = btrfs_alloc_path(); if (!path) @@ -4040,13 +4054,35 @@ log_extents: goto out_unlock; } } else if (inode_only == LOG_INODE_ALL) { - struct extent_map_tree *tree = &BTRFS_I(inode)->extent_tree; struct extent_map *em, *n; - write_lock(&tree->lock); - list_for_each_entry_safe(em, n, &tree->modified_extents, list) - list_del_init(&em->list); - write_unlock(&tree->lock); + write_lock(&em_tree->lock); + /* + * We can't just remove every em if we're called for a ranged + * fsync - that is, one that doesn't cover the whole possible + * file range (0 to LLONG_MAX). This is because we can have + * em's that fall outside the range we're logging and therefore + * their ordered operations haven't completed yet + * (btrfs_finish_ordered_io() not invoked yet). This means we + * didn't get their respective file extent item in the fs/subvol + * tree yet, and need to let the next fast fsync (one which + * consults the list of modified extent maps) find the em so + * that it logs a matching file extent item and waits for the + * respective ordered operation to complete (if it's still + * running). + * + * Removing every em outside the range we're logging would make + * the next fast fsync not log their matching file extent items, + * therefore making us lose data after a log replay. + */ + list_for_each_entry_safe(em, n, &em_tree->modified_extents, + list) { + const u64 mod_end = em->mod_start + em->mod_len - 1; + + if (em->mod_start >= start && mod_end <= end) + list_del_init(&em->list); + } + write_unlock(&em_tree->lock); } if (inode_only == LOG_INODE_ALL && S_ISDIR(inode->i_mode)) { @@ -4056,8 +4092,19 @@ log_extents: goto out_unlock; } } - BTRFS_I(inode)->logged_trans = trans->transid; - BTRFS_I(inode)->last_log_commit = BTRFS_I(inode)->last_sub_trans; + + write_lock(&em_tree->lock); + /* + * If we're doing a ranged fsync and there are still modified extents + * in the list, we must run on the next fsync call as it might cover + * those extents (a full fsync or an fsync for other range). + */ + if (list_empty(&em_tree->modified_extents)) { + BTRFS_I(inode)->logged_trans = trans->transid; + BTRFS_I(inode)->last_log_commit = + BTRFS_I(inode)->last_sub_trans; + } + write_unlock(&em_tree->lock); out_unlock: if (unlikely(err)) btrfs_put_logged_extents(&logged_list); @@ -4152,7 +4199,10 @@ out: */ static int btrfs_log_inode_parent(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct inode *inode, - struct dentry *parent, int exists_only, + struct dentry *parent, + const loff_t start, + const loff_t end, + int exists_only, struct btrfs_log_ctx *ctx) { int inode_only = exists_only ? LOG_INODE_EXISTS : LOG_INODE_ALL; @@ -4198,7 +4248,7 @@ static int btrfs_log_inode_parent(struct btrfs_trans_handle *trans, if (ret) goto end_no_trans; - ret = btrfs_log_inode(trans, root, inode, inode_only); + ret = btrfs_log_inode(trans, root, inode, inode_only, start, end); if (ret) goto end_trans; @@ -4226,7 +4276,8 @@ static int btrfs_log_inode_parent(struct btrfs_trans_handle *trans, if (BTRFS_I(inode)->generation > root->fs_info->last_trans_committed) { - ret = btrfs_log_inode(trans, root, inode, inode_only); + ret = btrfs_log_inode(trans, root, inode, inode_only, + 0, LLONG_MAX); if (ret) goto end_trans; } @@ -4260,13 +4311,15 @@ end_no_trans: */ int btrfs_log_dentry_safe(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct dentry *dentry, + const loff_t start, + const loff_t end, struct btrfs_log_ctx *ctx) { struct dentry *parent = dget_parent(dentry); int ret; ret = btrfs_log_inode_parent(trans, root, dentry->d_inode, parent, - 0, ctx); + start, end, 0, ctx); dput(parent); return ret; @@ -4503,6 +4556,7 @@ int btrfs_log_new_name(struct btrfs_trans_handle *trans, root->fs_info->last_trans_committed)) return 0; - return btrfs_log_inode_parent(trans, root, inode, parent, 1, NULL); + return btrfs_log_inode_parent(trans, root, inode, parent, 0, + LLONG_MAX, 1, NULL); } diff --git a/fs/btrfs/tree-log.h b/fs/btrfs/tree-log.h index 7f5b41bd537..e2e798ae7cd 100644 --- a/fs/btrfs/tree-log.h +++ b/fs/btrfs/tree-log.h @@ -59,6 +59,8 @@ int btrfs_free_log_root_tree(struct btrfs_trans_handle *trans, int btrfs_recover_log_trees(struct btrfs_root *tree_root); int btrfs_log_dentry_safe(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct dentry *dentry, + const loff_t start, + const loff_t end, struct btrfs_log_ctx *ctx); int btrfs_del_dir_entries_in_log(struct btrfs_trans_handle *trans, struct btrfs_root *root, diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 6cb82f62cb7..340a92d08e8 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -508,6 +508,44 @@ static noinline int device_list_add(const char *path, ret = 1; device->fs_devices = fs_devices; } else if (!device->name || strcmp(device->name->str, path)) { + /* + * When FS is already mounted. + * 1. If you are here and if the device->name is NULL that + * means this device was missing at time of FS mount. + * 2. If you are here and if the device->name is different + * from 'path' that means either + * a. The same device disappeared and reappeared with + * different name. or + * b. The missing-disk-which-was-replaced, has + * reappeared now. + * + * We must allow 1 and 2a above. But 2b would be a spurious + * and unintentional. + * + * Further in case of 1 and 2a above, the disk at 'path' + * would have missed some transaction when it was away and + * in case of 2a the stale bdev has to be updated as well. + * 2b must not be allowed at all time. + */ + + /* + * As of now don't allow update to btrfs_fs_device through + * the btrfs dev scan cli, after FS has been mounted. + */ + if (fs_devices->opened) { + return -EBUSY; + } else { + /* + * That is if the FS is _not_ mounted and if you + * are here, that means there is more than one + * disk with same uuid and devid.We keep the one + * with larger generation number or the last-in if + * generation are equal. + */ + if (found_transid < device->generation) + return -EEXIST; + } + name = rcu_string_strdup(path, GFP_NOFS); if (!name) return -ENOMEM; @@ -519,6 +557,15 @@ static noinline int device_list_add(const char *path, } } + /* + * Unmount does not free the btrfs_device struct but would zero + * generation along with most of the other members. So just update + * it back. We need it to pick the disk with largest generation + * (as above). + */ + if (!fs_devices->opened) + device->generation = found_transid; + if (found_transid > fs_devices->latest_trans) { fs_devices->latest_devid = devid; fs_devices->latest_trans = found_transid; @@ -1436,7 +1483,7 @@ static int btrfs_add_device(struct btrfs_trans_handle *trans, btrfs_set_device_io_align(leaf, dev_item, device->io_align); btrfs_set_device_io_width(leaf, dev_item, device->io_width); btrfs_set_device_sector_size(leaf, dev_item, device->sector_size); - btrfs_set_device_total_bytes(leaf, dev_item, device->total_bytes); + btrfs_set_device_total_bytes(leaf, dev_item, device->disk_total_bytes); btrfs_set_device_bytes_used(leaf, dev_item, device->bytes_used); btrfs_set_device_group(leaf, dev_item, 0); btrfs_set_device_seek_speed(leaf, dev_item, 0); @@ -1671,7 +1718,7 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path) device->fs_devices->total_devices--; if (device->missing) - root->fs_info->fs_devices->missing_devices--; + device->fs_devices->missing_devices--; next_device = list_entry(root->fs_info->fs_devices->devices.next, struct btrfs_device, dev_list); @@ -1801,8 +1848,12 @@ void btrfs_rm_dev_replace_srcdev(struct btrfs_fs_info *fs_info, if (srcdev->bdev) { fs_info->fs_devices->open_devices--; - /* zero out the old super */ - btrfs_scratch_superblock(srcdev); + /* + * zero out the old super if it is not writable + * (e.g. seed device) + */ + if (srcdev->writeable) + btrfs_scratch_superblock(srcdev); } call_rcu(&srcdev->rcu, free_device); @@ -1941,6 +1992,9 @@ static int btrfs_prepare_sprout(struct btrfs_root *root) fs_devices->seeding = 0; fs_devices->num_devices = 0; fs_devices->open_devices = 0; + fs_devices->missing_devices = 0; + fs_devices->num_can_discard = 0; + fs_devices->rotating = 0; fs_devices->seed = seed_devices; generate_random_uuid(fs_devices->fsid); @@ -5800,7 +5854,8 @@ struct btrfs_device *btrfs_alloc_device(struct btrfs_fs_info *fs_info, else generate_random_uuid(dev->uuid); - btrfs_init_work(&dev->work, pending_bios_fn, NULL, NULL); + btrfs_init_work(&dev->work, btrfs_submit_helper, + pending_bios_fn, NULL, NULL); return dev; } diff --git a/fs/cifs/Kconfig b/fs/cifs/Kconfig index 603f18a65c1..a2172f3f69e 100644 --- a/fs/cifs/Kconfig +++ b/fs/cifs/Kconfig @@ -22,6 +22,11 @@ config CIFS support for OS/2 and Windows ME and similar servers is provided as well. + The module also provides optional support for the followon + protocols for CIFS including SMB3, which enables + useful performance and security features (see the description + of CONFIG_CIFS_SMB2). + The cifs module provides an advanced network file system client for mounting to CIFS compliant servers. It includes support for DFS (hierarchical name space), secure per-user @@ -121,7 +126,8 @@ config CIFS_ACL depends on CIFS_XATTR && KEYS help Allows fetching CIFS/NTFS ACL from the server. The DACL blob - is handed over to the application/caller. + is handed over to the application/caller. See the man + page for getcifsacl for more information. config CIFS_DEBUG bool "Enable CIFS debugging routines" @@ -162,7 +168,7 @@ config CIFS_NFSD_EXPORT Allows NFS server to export a CIFS mounted share (nfsd over cifs) config CIFS_SMB2 - bool "SMB2 network file system support" + bool "SMB2 and SMB3 network file system support" depends on CIFS && INET select NLS select KEYS @@ -170,16 +176,21 @@ config CIFS_SMB2 select DNS_RESOLVER help - This enables experimental support for the SMB2 (Server Message Block - version 2) protocol. The SMB2 protocol is the successor to the - popular CIFS and SMB network file sharing protocols. SMB2 is the - native file sharing mechanism for recent versions of Windows - operating systems (since Vista). SMB2 enablement will eventually - allow users better performance, security and features, than would be - possible with cifs. Note that smb2 mount options also are simpler - (compared to cifs) due to protocol improvements. - - Unless you are a developer or tester, say N. + This enables support for the Server Message Block version 2 + family of protocols, including SMB3. SMB3 support is + enabled on mount by specifying "vers=3.0" in the mount + options. These protocols are the successors to the popular + CIFS and SMB network file sharing protocols. SMB3 is the + native file sharing mechanism for the more recent + versions of Windows (Windows 8 and Windows 2012 and + later) and Samba server and many others support SMB3 well. + In general SMB3 enables better performance, security + and features, than would be possible with CIFS (Note that + when mounting to Samba, due to the CIFS POSIX extensions, + CIFS mounts can provide slightly better POSIX compatibility + than SMB3 mounts do though). Note that SMB2/SMB3 mount + options are also slightly simpler (compared to CIFS) due + to protocol improvements. config CIFS_FSCACHE bool "Provide CIFS client caching support" diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index dfc731b02aa..25b8392bfdd 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -70,11 +70,6 @@ #define SERVER_NAME_LENGTH 40 #define SERVER_NAME_LEN_WITH_NULL (SERVER_NAME_LENGTH + 1) -/* used to define string lengths for reversing unicode strings */ -/* (256+1)*2 = 514 */ -/* (max path length + 1 for null) * 2 for unicode */ -#define MAX_NAME 514 - /* SMB echo "timeout" -- FIXME: tunable? */ #define SMB_ECHO_INTERVAL (60 * HZ) diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 03ed8a09581..8a9fded7c13 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -837,7 +837,6 @@ cifs_demultiplex_thread(void *p) struct TCP_Server_Info *server = p; unsigned int pdu_length; char *buf = NULL; - struct task_struct *task_to_wake = NULL; struct mid_q_entry *mid_entry; current->flags |= PF_MEMALLOC; @@ -928,19 +927,7 @@ cifs_demultiplex_thread(void *p) if (server->smallbuf) /* no sense logging a debug message if NULL */ cifs_small_buf_release(server->smallbuf); - task_to_wake = xchg(&server->tsk, NULL); clean_demultiplex_info(server); - - /* if server->tsk was NULL then wait for a signal before exiting */ - if (!task_to_wake) { - set_current_state(TASK_INTERRUPTIBLE); - while (!signal_pending(current)) { - schedule(); - set_current_state(TASK_INTERRUPTIBLE); - } - set_current_state(TASK_RUNNING); - } - module_put_and_exit(0); } @@ -1600,6 +1587,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, tmp_end++; if (!(tmp_end < end && tmp_end[1] == delim)) { /* No it is not. Set the password to NULL */ + kfree(vol->password); vol->password = NULL; break; } @@ -1637,6 +1625,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, options = end; } + kfree(vol->password); /* Now build new password string */ temp_len = strlen(value); vol->password = kzalloc(temp_len+1, GFP_KERNEL); @@ -2061,8 +2050,6 @@ cifs_find_tcp_session(struct smb_vol *vol) static void cifs_put_tcp_session(struct TCP_Server_Info *server) { - struct task_struct *task; - spin_lock(&cifs_tcp_ses_lock); if (--server->srv_count > 0) { spin_unlock(&cifs_tcp_ses_lock); @@ -2086,10 +2073,6 @@ cifs_put_tcp_session(struct TCP_Server_Info *server) kfree(server->session_key.response); server->session_key.response = NULL; server->session_key.len = 0; - - task = xchg(&server->tsk, NULL); - if (task) - force_sig(SIGKILL, task); } static struct TCP_Server_Info * diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index 3db0c5fd9a1..6cbd9c688cf 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c @@ -497,6 +497,14 @@ cifs_atomic_open(struct inode *inode, struct dentry *direntry, goto out; } + if (file->f_flags & O_DIRECT && + CIFS_SB(inode->i_sb)->mnt_cifs_flags & CIFS_MOUNT_STRICT_IO) { + if (CIFS_SB(inode->i_sb)->mnt_cifs_flags & CIFS_MOUNT_NO_BRL) + file->f_op = &cifs_file_direct_nobrl_ops; + else + file->f_op = &cifs_file_direct_ops; + } + file_info = cifs_new_fileinfo(&fid, file, tlink, oplock); if (file_info == NULL) { if (server->ops->close) diff --git a/fs/cifs/file.c b/fs/cifs/file.c index d5fec92e036..7c018a1c52f 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -467,6 +467,14 @@ int cifs_open(struct inode *inode, struct file *file) cifs_dbg(FYI, "inode = 0x%p file flags are 0x%x for %s\n", inode, file->f_flags, full_path); + if (file->f_flags & O_DIRECT && + cifs_sb->mnt_cifs_flags & CIFS_MOUNT_STRICT_IO) { + if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL) + file->f_op = &cifs_file_direct_nobrl_ops; + else + file->f_op = &cifs_file_direct_ops; + } + if (server->oplocks) oplock = REQ_OPLOCK; else diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 949ec909ec9..7899a40465b 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -1720,7 +1720,10 @@ cifs_rename2(struct inode *source_dir, struct dentry *source_dentry, unlink_target: /* Try unlinking the target dentry if it's not negative */ if (target_dentry->d_inode && (rc == -EACCES || rc == -EEXIST)) { - tmprc = cifs_unlink(target_dir, target_dentry); + if (d_is_dir(target_dentry)) + tmprc = cifs_rmdir(target_dir, target_dentry); + else + tmprc = cifs_unlink(target_dir, target_dentry); if (tmprc) goto cifs_rename_exit; rc = cifs_do_rename(xid, source_dentry, from_name, diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index 798c80a41c8..b334a89d6a6 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -596,8 +596,8 @@ find_cifs_entry(const unsigned int xid, struct cifs_tcon *tcon, loff_t pos, if (server->ops->dir_needs_close(cfile)) { cfile->invalidHandle = true; spin_unlock(&cifs_file_list_lock); - if (server->ops->close) - server->ops->close(xid, tcon, &cfile->fid); + if (server->ops->close_dir) + server->ops->close_dir(xid, tcon, &cfile->fid); } else spin_unlock(&cifs_file_list_lock); if (cfile->srch_inf.ntwrk_buf_start) { diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index 39ee32688ea..3a5e8331768 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -243,10 +243,11 @@ static void decode_ascii_ssetup(char **pbcc_area, __u16 bleft, kfree(ses->serverOS); ses->serverOS = kzalloc(len + 1, GFP_KERNEL); - if (ses->serverOS) + if (ses->serverOS) { strncpy(ses->serverOS, bcc_ptr, len); - if (strncmp(ses->serverOS, "OS/2", 4) == 0) - cifs_dbg(FYI, "OS/2 server\n"); + if (strncmp(ses->serverOS, "OS/2", 4) == 0) + cifs_dbg(FYI, "OS/2 server\n"); + } bcc_ptr += len + 1; bleft -= len + 1; diff --git a/fs/cifs/smb2file.c b/fs/cifs/smb2file.c index 3f17b455083..45992944e23 100644 --- a/fs/cifs/smb2file.c +++ b/fs/cifs/smb2file.c @@ -50,7 +50,7 @@ smb2_open_file(const unsigned int xid, struct cifs_open_parms *oparms, goto out; } - smb2_data = kzalloc(sizeof(struct smb2_file_all_info) + MAX_NAME * 2, + smb2_data = kzalloc(sizeof(struct smb2_file_all_info) + PATH_MAX * 2, GFP_KERNEL); if (smb2_data == NULL) { rc = -ENOMEM; diff --git a/fs/cifs/smb2inode.c b/fs/cifs/smb2inode.c index 0150182a449..899bbc86f73 100644 --- a/fs/cifs/smb2inode.c +++ b/fs/cifs/smb2inode.c @@ -131,7 +131,7 @@ smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon, *adjust_tz = false; *symlink = false; - smb2_data = kzalloc(sizeof(struct smb2_file_all_info) + MAX_NAME * 2, + smb2_data = kzalloc(sizeof(struct smb2_file_all_info) + PATH_MAX * 2, GFP_KERNEL); if (smb2_data == NULL) return -ENOMEM; diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index 5a48aa290df..f522193b718 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -389,7 +389,7 @@ smb2_query_file_info(const unsigned int xid, struct cifs_tcon *tcon, int rc; struct smb2_file_all_info *smb2_data; - smb2_data = kzalloc(sizeof(struct smb2_file_all_info) + MAX_NAME * 2, + smb2_data = kzalloc(sizeof(struct smb2_file_all_info) + PATH_MAX * 2, GFP_KERNEL); if (smb2_data == NULL) return -ENOMEM; @@ -1035,7 +1035,7 @@ static long smb3_zero_range(struct file *file, struct cifs_tcon *tcon, if (keep_size == false) return -EOPNOTSUPP; - /* + /* * Must check if file sparse since fallocate -z (zero range) assumes * non-sparse allocation */ diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index fa0dd044213..74b3a668438 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -530,7 +530,7 @@ SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses, struct smb2_sess_setup_rsp *rsp = NULL; struct kvec iov[2]; int rc = 0; - int resp_buftype; + int resp_buftype = CIFS_NO_BUFFER; __le32 phase = NtLmNegotiate; /* NTLMSSP, if needed, is multistage */ struct TCP_Server_Info *server = ses->server; u16 blob_length = 0; @@ -1403,8 +1403,7 @@ SMB2_close(const unsigned int xid, struct cifs_tcon *tcon, rsp = (struct smb2_close_rsp *)iov[0].iov_base; if (rc != 0) { - if (tcon) - cifs_stats_fail_inc(tcon, SMB2_CLOSE_HE); + cifs_stats_fail_inc(tcon, SMB2_CLOSE_HE); goto close_exit; } @@ -1533,7 +1532,7 @@ SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon, { return query_info(xid, tcon, persistent_fid, volatile_fid, FILE_ALL_INFORMATION, - sizeof(struct smb2_file_all_info) + MAX_NAME * 2, + sizeof(struct smb2_file_all_info) + PATH_MAX * 2, sizeof(struct smb2_file_all_info), data); } diff --git a/fs/dcache.c b/fs/dcache.c index d30ce699ae4..7a5b51440af 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -106,8 +106,7 @@ static inline struct hlist_bl_head *d_hash(const struct dentry *parent, unsigned int hash) { hash += (unsigned long) parent / L1_CACHE_BYTES; - hash = hash + (hash >> d_hash_shift); - return dentry_hashtable + (hash & d_hash_mask); + return dentry_hashtable + hash_32(hash, d_hash_shift); } /* Statistics gathering. */ @@ -2656,6 +2655,12 @@ static void __d_materialise_dentry(struct dentry *dentry, struct dentry *anon) dentry->d_parent = dentry; list_del_init(&dentry->d_u.d_child); anon->d_parent = dparent; + if (likely(!d_unhashed(anon))) { + hlist_bl_lock(&anon->d_sb->s_anon); + __hlist_bl_del(&anon->d_hash); + anon->d_hash.pprev = NULL; + hlist_bl_unlock(&anon->d_sb->s_anon); + } list_move(&anon->d_u.d_child, &dparent->d_subdirs); write_seqcount_end(&dentry->d_seq); @@ -2714,7 +2719,6 @@ struct dentry *d_splice_alias(struct inode *inode, struct dentry *dentry) write_seqlock(&rename_lock); __d_materialise_dentry(dentry, new); write_sequnlock(&rename_lock); - __d_drop(new); _d_rehash(new); spin_unlock(&new->d_lock); spin_unlock(&inode->i_lock); @@ -2778,7 +2782,6 @@ struct dentry *d_materialise_unique(struct dentry *dentry, struct inode *inode) * could splice into our tree? */ __d_materialise_dentry(dentry, alias); write_sequnlock(&rename_lock); - __d_drop(alias); goto found; } else { /* Nope, but we must(!) avoid directory diff --git a/fs/eventpoll.c b/fs/eventpoll.c index b10b48c2a7a..7bcfff900f0 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -1852,7 +1852,8 @@ SYSCALL_DEFINE4(epoll_ctl, int, epfd, int, op, int, fd, goto error_tgt_fput; /* Check if EPOLLWAKEUP is allowed */ - ep_take_care_of_epollwakeup(&epds); + if (ep_op_has_event(op)) + ep_take_care_of_epollwakeup(&epds); /* * We have to check that the file structure underneath the file descriptor diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 5b19760b1de..b0c225cdb52 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -1825,7 +1825,7 @@ ext4_group_first_block_no(struct super_block *sb, ext4_group_t group_no) /* * Special error return code only used by dx_probe() and its callers. */ -#define ERR_BAD_DX_DIR -75000 +#define ERR_BAD_DX_DIR (-(MAX_ERRNO - 1)) /* * Timeout and state flag for lazy initialization inode thread. @@ -2454,6 +2454,22 @@ static inline void ext4_update_i_disksize(struct inode *inode, loff_t newsize) up_write(&EXT4_I(inode)->i_data_sem); } +/* Update i_size, i_disksize. Requires i_mutex to avoid races with truncate */ +static inline int ext4_update_inode_size(struct inode *inode, loff_t newsize) +{ + int changed = 0; + + if (newsize > inode->i_size) { + i_size_write(inode, newsize); + changed = 1; + } + if (newsize > EXT4_I(inode)->i_disksize) { + ext4_update_i_disksize(inode, newsize); + changed |= 2; + } + return changed; +} + struct ext4_group_info { unsigned long bb_state; struct rb_root bb_free_root; diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 76c2df382b7..74292a71b38 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -4665,7 +4665,8 @@ retry: } static int ext4_alloc_file_blocks(struct file *file, ext4_lblk_t offset, - ext4_lblk_t len, int flags, int mode) + ext4_lblk_t len, loff_t new_size, + int flags, int mode) { struct inode *inode = file_inode(file); handle_t *handle; @@ -4674,8 +4675,10 @@ static int ext4_alloc_file_blocks(struct file *file, ext4_lblk_t offset, int retries = 0; struct ext4_map_blocks map; unsigned int credits; + loff_t epos; map.m_lblk = offset; + map.m_len = len; /* * Don't normalize the request if it can fit in one extent so * that it doesn't get unnecessarily split into multiple @@ -4690,9 +4693,7 @@ static int ext4_alloc_file_blocks(struct file *file, ext4_lblk_t offset, credits = ext4_chunk_trans_blocks(inode, len); retry: - while (ret >= 0 && ret < len) { - map.m_lblk = map.m_lblk + ret; - map.m_len = len = len - ret; + while (ret >= 0 && len) { handle = ext4_journal_start(inode, EXT4_HT_MAP_BLOCKS, credits); if (IS_ERR(handle)) { @@ -4709,6 +4710,21 @@ retry: ret2 = ext4_journal_stop(handle); break; } + map.m_lblk += ret; + map.m_len = len = len - ret; + epos = (loff_t)map.m_lblk << inode->i_blkbits; + inode->i_ctime = ext4_current_time(inode); + if (new_size) { + if (epos > new_size) + epos = new_size; + if (ext4_update_inode_size(inode, epos) & 0x1) + inode->i_mtime = inode->i_ctime; + } else { + if (epos > inode->i_size) + ext4_set_inode_flag(inode, + EXT4_INODE_EOFBLOCKS); + } + ext4_mark_inode_dirty(handle, inode); ret2 = ext4_journal_stop(handle); if (ret2) break; @@ -4731,7 +4747,8 @@ static long ext4_zero_range(struct file *file, loff_t offset, loff_t new_size = 0; int ret = 0; int flags; - int partial; + int credits; + int partial_begin, partial_end; loff_t start, end; ext4_lblk_t lblk; struct address_space *mapping = inode->i_mapping; @@ -4771,7 +4788,8 @@ static long ext4_zero_range(struct file *file, loff_t offset, if (start < offset || end > offset + len) return -EINVAL; - partial = (offset + len) & ((1 << blkbits) - 1); + partial_begin = offset & ((1 << blkbits) - 1); + partial_end = (offset + len) & ((1 << blkbits) - 1); lblk = start >> blkbits; max_blocks = (end >> blkbits); @@ -4805,7 +4823,7 @@ static long ext4_zero_range(struct file *file, loff_t offset, * If we have a partial block after EOF we have to allocate * the entire block. */ - if (partial) + if (partial_end) max_blocks += 1; } @@ -4813,6 +4831,7 @@ static long ext4_zero_range(struct file *file, loff_t offset, /* Now release the pages and zero block aligned part of pages*/ truncate_pagecache_range(inode, start, end - 1); + inode->i_mtime = inode->i_ctime = ext4_current_time(inode); /* Wait all existing dio workers, newcomers will block on i_mutex */ ext4_inode_block_unlocked_dio(inode); @@ -4825,13 +4844,22 @@ static long ext4_zero_range(struct file *file, loff_t offset, if (ret) goto out_dio; - ret = ext4_alloc_file_blocks(file, lblk, max_blocks, flags, - mode); + ret = ext4_alloc_file_blocks(file, lblk, max_blocks, new_size, + flags, mode); if (ret) goto out_dio; } + if (!partial_begin && !partial_end) + goto out_dio; - handle = ext4_journal_start(inode, EXT4_HT_MISC, 4); + /* + * In worst case we have to writeout two nonadjacent unwritten + * blocks and update the inode + */ + credits = (2 * ext4_ext_index_trans_blocks(inode, 2)) + 1; + if (ext4_should_journal_data(inode)) + credits += 2; + handle = ext4_journal_start(inode, EXT4_HT_MISC, credits); if (IS_ERR(handle)) { ret = PTR_ERR(handle); ext4_std_error(inode->i_sb, ret); @@ -4839,12 +4867,8 @@ static long ext4_zero_range(struct file *file, loff_t offset, } inode->i_mtime = inode->i_ctime = ext4_current_time(inode); - if (new_size) { - if (new_size > i_size_read(inode)) - i_size_write(inode, new_size); - if (new_size > EXT4_I(inode)->i_disksize) - ext4_update_i_disksize(inode, new_size); + ext4_update_inode_size(inode, new_size); } else { /* * Mark that we allocate beyond EOF so the subsequent truncate @@ -4853,7 +4877,6 @@ static long ext4_zero_range(struct file *file, loff_t offset, if ((offset + len) > i_size_read(inode)) ext4_set_inode_flag(inode, EXT4_INODE_EOFBLOCKS); } - ext4_mark_inode_dirty(handle, inode); /* Zero out partial block at the edges of the range */ @@ -4880,13 +4903,11 @@ out_mutex: long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len) { struct inode *inode = file_inode(file); - handle_t *handle; loff_t new_size = 0; unsigned int max_blocks; int ret = 0; int flags; ext4_lblk_t lblk; - struct timespec tv; unsigned int blkbits = inode->i_blkbits; /* Return error if mode is not supported */ @@ -4937,36 +4958,15 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len) goto out; } - ret = ext4_alloc_file_blocks(file, lblk, max_blocks, flags, mode); + ret = ext4_alloc_file_blocks(file, lblk, max_blocks, new_size, + flags, mode); if (ret) goto out; - handle = ext4_journal_start(inode, EXT4_HT_INODE, 2); - if (IS_ERR(handle)) - goto out; - - tv = inode->i_ctime = ext4_current_time(inode); - - if (new_size) { - if (new_size > i_size_read(inode)) { - i_size_write(inode, new_size); - inode->i_mtime = tv; - } - if (new_size > EXT4_I(inode)->i_disksize) - ext4_update_i_disksize(inode, new_size); - } else { - /* - * Mark that we allocate beyond EOF so the subsequent truncate - * can proceed even if the new size is the same as i_size. - */ - if ((offset + len) > i_size_read(inode)) - ext4_set_inode_flag(inode, EXT4_INODE_EOFBLOCKS); + if (file->f_flags & O_SYNC && EXT4_SB(inode->i_sb)->s_journal) { + ret = jbd2_complete_transaction(EXT4_SB(inode->i_sb)->s_journal, + EXT4_I(inode)->i_sync_tid); } - ext4_mark_inode_dirty(handle, inode); - if (file->f_flags & O_SYNC) - ext4_handle_sync(handle); - - ext4_journal_stop(handle); out: mutex_unlock(&inode->i_mutex); trace_ext4_fallocate_exit(inode, offset, max_blocks, ret); diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 367a60c07cf..3aa26e9117c 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1055,27 +1055,11 @@ static int ext4_write_end(struct file *file, } else copied = block_write_end(file, mapping, pos, len, copied, page, fsdata); - /* - * No need to use i_size_read() here, the i_size - * cannot change under us because we hole i_mutex. - * - * But it's important to update i_size while still holding page lock: + * it's important to update i_size while still holding page lock: * page writeout could otherwise come in and zero beyond i_size. */ - if (pos + copied > inode->i_size) { - i_size_write(inode, pos + copied); - i_size_changed = 1; - } - - if (pos + copied > EXT4_I(inode)->i_disksize) { - /* We need to mark inode dirty even if - * new_i_size is less that inode->i_size - * but greater than i_disksize. (hint delalloc) - */ - ext4_update_i_disksize(inode, (pos + copied)); - i_size_changed = 1; - } + i_size_changed = ext4_update_inode_size(inode, pos + copied); unlock_page(page); page_cache_release(page); @@ -1123,7 +1107,7 @@ static int ext4_journalled_write_end(struct file *file, int ret = 0, ret2; int partial = 0; unsigned from, to; - loff_t new_i_size; + int size_changed = 0; trace_ext4_journalled_write_end(inode, pos, len, copied); from = pos & (PAGE_CACHE_SIZE - 1); @@ -1146,20 +1130,18 @@ static int ext4_journalled_write_end(struct file *file, if (!partial) SetPageUptodate(page); } - new_i_size = pos + copied; - if (new_i_size > inode->i_size) - i_size_write(inode, pos+copied); + size_changed = ext4_update_inode_size(inode, pos + copied); ext4_set_inode_state(inode, EXT4_STATE_JDATA); EXT4_I(inode)->i_datasync_tid = handle->h_transaction->t_tid; - if (new_i_size > EXT4_I(inode)->i_disksize) { - ext4_update_i_disksize(inode, new_i_size); + unlock_page(page); + page_cache_release(page); + + if (size_changed) { ret2 = ext4_mark_inode_dirty(handle, inode); if (!ret) ret = ret2; } - unlock_page(page); - page_cache_release(page); if (pos + len > inode->i_size && ext4_can_truncate(inode)) /* if we have allocated more blocks and copied * less. We will have blocks allocated outside @@ -2095,6 +2077,7 @@ static int mpage_map_and_submit_extent(handle_t *handle, struct ext4_map_blocks *map = &mpd->map; int err; loff_t disksize; + int progress = 0; mpd->io_submit.io_end->offset = ((loff_t)map->m_lblk) << inode->i_blkbits; @@ -2111,8 +2094,11 @@ static int mpage_map_and_submit_extent(handle_t *handle, * is non-zero, a commit should free up blocks. */ if ((err == -ENOMEM) || - (err == -ENOSPC && ext4_count_free_clusters(sb))) + (err == -ENOSPC && ext4_count_free_clusters(sb))) { + if (progress) + goto update_disksize; return err; + } ext4_msg(sb, KERN_CRIT, "Delayed block allocation failed for " "inode %lu at logical offset %llu with" @@ -2129,15 +2115,17 @@ static int mpage_map_and_submit_extent(handle_t *handle, *give_up_on_write = true; return err; } + progress = 1; /* * Update buffer state, submit mapped pages, and get us new * extent to map */ err = mpage_map_and_submit_buffers(mpd); if (err < 0) - return err; + goto update_disksize; } while (map->m_len); +update_disksize: /* * Update on-disk size after IO is submitted. Races with * truncate are avoided by checking i_size under i_data_sem. diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 956027711fa..8b0f9ef517d 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -1412,6 +1412,8 @@ static void mb_free_blocks(struct inode *inode, struct ext4_buddy *e4b, int last = first + count - 1; struct super_block *sb = e4b->bd_sb; + if (WARN_ON(count == 0)) + return; BUG_ON(last >= (sb->s_blocksize << 3)); assert_spin_locked(ext4_group_lock_ptr(sb, e4b->bd_group)); /* Don't bother if the block group is corrupt. */ @@ -3221,6 +3223,8 @@ static void ext4_discard_allocated_blocks(struct ext4_allocation_context *ac) int err; if (pa == NULL) { + if (ac->ac_f_ex.fe_len == 0) + return; err = ext4_mb_load_buddy(ac->ac_sb, ac->ac_f_ex.fe_group, &e4b); if (err) { /* @@ -3235,6 +3239,7 @@ static void ext4_discard_allocated_blocks(struct ext4_allocation_context *ac) mb_free_blocks(ac->ac_inode, &e4b, ac->ac_f_ex.fe_start, ac->ac_f_ex.fe_len); ext4_unlock_group(ac->ac_sb, ac->ac_f_ex.fe_group); + ext4_mb_unload_buddy(&e4b); return; } if (pa->pa_type == MB_INODE_PA) diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index b147a67baa0..603e4ebbd0a 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -1227,7 +1227,7 @@ static struct buffer_head * ext4_find_entry (struct inode *dir, buffer */ int num = 0; ext4_lblk_t nblocks; - int i, err; + int i, err = 0; int namelen; *res_dir = NULL; @@ -1264,7 +1264,11 @@ static struct buffer_head * ext4_find_entry (struct inode *dir, * return. Otherwise, fall back to doing a search the * old fashioned way. */ - if (bh || (err != ERR_BAD_DX_DIR)) + if (err == -ENOENT) + return NULL; + if (err && err != ERR_BAD_DX_DIR) + return ERR_PTR(err); + if (bh) return bh; dxtrace(printk(KERN_DEBUG "ext4_find_entry: dx failed, " "falling back\n")); @@ -1295,6 +1299,11 @@ restart: } num++; bh = ext4_getblk(NULL, dir, b++, 0, &err); + if (unlikely(err)) { + if (ra_max == 0) + return ERR_PTR(err); + break; + } bh_use[ra_max] = bh; if (bh) ll_rw_block(READ | REQ_META | REQ_PRIO, @@ -1417,6 +1426,8 @@ static struct dentry *ext4_lookup(struct inode *dir, struct dentry *dentry, unsi return ERR_PTR(-ENAMETOOLONG); bh = ext4_find_entry(dir, &dentry->d_name, &de, NULL); + if (IS_ERR(bh)) + return (struct dentry *) bh; inode = NULL; if (bh) { __u32 ino = le32_to_cpu(de->inode); @@ -1450,6 +1461,8 @@ struct dentry *ext4_get_parent(struct dentry *child) struct buffer_head *bh; bh = ext4_find_entry(child->d_inode, &dotdot, &de, NULL); + if (IS_ERR(bh)) + return (struct dentry *) bh; if (!bh) return ERR_PTR(-ENOENT); ino = le32_to_cpu(de->inode); @@ -2727,6 +2740,8 @@ static int ext4_rmdir(struct inode *dir, struct dentry *dentry) retval = -ENOENT; bh = ext4_find_entry(dir, &dentry->d_name, &de, NULL); + if (IS_ERR(bh)) + return PTR_ERR(bh); if (!bh) goto end_rmdir; @@ -2794,6 +2809,8 @@ static int ext4_unlink(struct inode *dir, struct dentry *dentry) retval = -ENOENT; bh = ext4_find_entry(dir, &dentry->d_name, &de, NULL); + if (IS_ERR(bh)) + return PTR_ERR(bh); if (!bh) goto end_unlink; @@ -3121,6 +3138,8 @@ static int ext4_find_delete_entry(handle_t *handle, struct inode *dir, struct ext4_dir_entry_2 *de; bh = ext4_find_entry(dir, d_name, &de, NULL); + if (IS_ERR(bh)) + return PTR_ERR(bh); if (bh) { retval = ext4_delete_entry(handle, dir, de, bh); brelse(bh); @@ -3128,7 +3147,8 @@ static int ext4_find_delete_entry(handle_t *handle, struct inode *dir, return retval; } -static void ext4_rename_delete(handle_t *handle, struct ext4_renament *ent) +static void ext4_rename_delete(handle_t *handle, struct ext4_renament *ent, + int force_reread) { int retval; /* @@ -3140,7 +3160,8 @@ static void ext4_rename_delete(handle_t *handle, struct ext4_renament *ent) if (le32_to_cpu(ent->de->inode) != ent->inode->i_ino || ent->de->name_len != ent->dentry->d_name.len || strncmp(ent->de->name, ent->dentry->d_name.name, - ent->de->name_len)) { + ent->de->name_len) || + force_reread) { retval = ext4_find_delete_entry(handle, ent->dir, &ent->dentry->d_name); } else { @@ -3191,6 +3212,7 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry, .dentry = new_dentry, .inode = new_dentry->d_inode, }; + int force_reread; int retval; dquot_initialize(old.dir); @@ -3202,6 +3224,8 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry, dquot_initialize(new.inode); old.bh = ext4_find_entry(old.dir, &old.dentry->d_name, &old.de, NULL); + if (IS_ERR(old.bh)) + return PTR_ERR(old.bh); /* * Check for inode number is _not_ due to possible IO errors. * We might rmdir the source, keep it as pwd of some process @@ -3214,6 +3238,11 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry, new.bh = ext4_find_entry(new.dir, &new.dentry->d_name, &new.de, &new.inlined); + if (IS_ERR(new.bh)) { + retval = PTR_ERR(new.bh); + new.bh = NULL; + goto end_rename; + } if (new.bh) { if (!new.inode) { brelse(new.bh); @@ -3246,6 +3275,15 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry, if (retval) goto end_rename; } + /* + * If we're renaming a file within an inline_data dir and adding or + * setting the new dirent causes a conversion from inline_data to + * extents/blockmap, we need to force the dirent delete code to + * re-read the directory, or else we end up trying to delete a dirent + * from what is now the extent tree root (or a block map). + */ + force_reread = (new.dir->i_ino == old.dir->i_ino && + ext4_test_inode_flag(new.dir, EXT4_INODE_INLINE_DATA)); if (!new.bh) { retval = ext4_add_entry(handle, new.dentry, old.inode); if (retval) @@ -3256,6 +3294,9 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry, if (retval) goto end_rename; } + if (force_reread) + force_reread = !ext4_test_inode_flag(new.dir, + EXT4_INODE_INLINE_DATA); /* * Like most other Unix systems, set the ctime for inodes on a @@ -3267,7 +3308,7 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry, /* * ok, that's it */ - ext4_rename_delete(handle, &old); + ext4_rename_delete(handle, &old, force_reread); if (new.inode) { ext4_dec_count(handle, new.inode); @@ -3330,6 +3371,8 @@ static int ext4_cross_rename(struct inode *old_dir, struct dentry *old_dentry, old.bh = ext4_find_entry(old.dir, &old.dentry->d_name, &old.de, &old.inlined); + if (IS_ERR(old.bh)) + return PTR_ERR(old.bh); /* * Check for inode number is _not_ due to possible IO errors. * We might rmdir the source, keep it as pwd of some process @@ -3342,6 +3385,11 @@ static int ext4_cross_rename(struct inode *old_dir, struct dentry *old_dentry, new.bh = ext4_find_entry(new.dir, &new.dentry->d_name, &new.de, &new.inlined); + if (IS_ERR(new.bh)) { + retval = PTR_ERR(new.bh); + new.bh = NULL; + goto end_rename; + } /* RENAME_EXCHANGE case: old *and* new must both exist */ if (!new.bh || le32_to_cpu(new.de->inode) != new.inode->i_ino) diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index bb0e80f03e2..1e43b905ff9 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -575,6 +575,7 @@ handle_bb: bh = bclean(handle, sb, block); if (IS_ERR(bh)) { err = PTR_ERR(bh); + bh = NULL; goto out; } overhead = ext4_group_overhead_blocks(sb, group); @@ -603,6 +604,7 @@ handle_ib: bh = bclean(handle, sb, block); if (IS_ERR(bh)) { err = PTR_ERR(bh); + bh = NULL; goto out; } diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 32b43ad154b..0b28b36e791 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -3181,9 +3181,9 @@ static int set_journal_csum_feature_set(struct super_block *sb) if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) { - /* journal checksum v2 */ + /* journal checksum v3 */ compat = 0; - incompat = JBD2_FEATURE_INCOMPAT_CSUM_V2; + incompat = JBD2_FEATURE_INCOMPAT_CSUM_V3; } else { /* journal checksum v1 */ compat = JBD2_FEATURE_COMPAT_CHECKSUM; @@ -3205,6 +3205,7 @@ static int set_journal_csum_feature_set(struct super_block *sb) jbd2_journal_clear_features(sbi->s_journal, JBD2_FEATURE_COMPAT_CHECKSUM, 0, JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT | + JBD2_FEATURE_INCOMPAT_CSUM_V3 | JBD2_FEATURE_INCOMPAT_CSUM_V2); } diff --git a/fs/f2fs/Kconfig b/fs/f2fs/Kconfig index 214fe1054fc..736a348509f 100644 --- a/fs/f2fs/Kconfig +++ b/fs/f2fs/Kconfig @@ -23,7 +23,7 @@ config F2FS_STAT_FS mounted as f2fs. Each file shows the whole f2fs information. /sys/kernel/debug/f2fs/status includes: - - major file system information managed by f2fs currently + - major filesystem information managed by f2fs currently - average SIT information about whole segments - current memory footprint consumed by f2fs. @@ -68,6 +68,6 @@ config F2FS_CHECK_FS bool "F2FS consistency checking feature" depends on F2FS_FS help - Enables BUG_ONs which check the file system consistency in runtime. + Enables BUG_ONs which check the filesystem consistency in runtime. If you want to improve the performance, say N. diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 6aeed5bada5..ec3b7a5381f 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -160,14 +160,11 @@ static int f2fs_write_meta_page(struct page *page, goto redirty_out; if (wbc->for_reclaim) goto redirty_out; - - /* Should not write any meta pages, if any IO error was occurred */ - if (unlikely(is_set_ckpt_flags(F2FS_CKPT(sbi), CP_ERROR_FLAG))) - goto no_write; + if (unlikely(f2fs_cp_error(sbi))) + goto redirty_out; f2fs_wait_on_page_writeback(page, META); write_meta_page(sbi, page); -no_write: dec_page_count(sbi, F2FS_DIRTY_META); unlock_page(page); return 0; @@ -348,7 +345,7 @@ bool exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode) return e ? true : false; } -static void release_dirty_inode(struct f2fs_sb_info *sbi) +void release_dirty_inode(struct f2fs_sb_info *sbi) { struct ino_entry *e, *tmp; int i; @@ -446,8 +443,8 @@ static void write_orphan_inodes(struct f2fs_sb_info *sbi, block_t start_blk) struct f2fs_orphan_block *orphan_blk = NULL; unsigned int nentries = 0; unsigned short index; - unsigned short orphan_blocks = (unsigned short)((sbi->n_orphans + - (F2FS_ORPHANS_PER_BLOCK - 1)) / F2FS_ORPHANS_PER_BLOCK); + unsigned short orphan_blocks = + (unsigned short)GET_ORPHAN_BLOCKS(sbi->n_orphans); struct page *page = NULL; struct ino_entry *orphan = NULL; @@ -737,7 +734,7 @@ retry: /* * Freeze all the FS-operations for checkpoint. */ -static void block_operations(struct f2fs_sb_info *sbi) +static int block_operations(struct f2fs_sb_info *sbi) { struct writeback_control wbc = { .sync_mode = WB_SYNC_ALL, @@ -745,6 +742,7 @@ static void block_operations(struct f2fs_sb_info *sbi) .for_reclaim = 0, }; struct blk_plug plug; + int err = 0; blk_start_plug(&plug); @@ -754,11 +752,15 @@ retry_flush_dents: if (get_pages(sbi, F2FS_DIRTY_DENTS)) { f2fs_unlock_all(sbi); sync_dirty_dir_inodes(sbi); + if (unlikely(f2fs_cp_error(sbi))) { + err = -EIO; + goto out; + } goto retry_flush_dents; } /* - * POR: we should ensure that there is no dirty node pages + * POR: we should ensure that there are no dirty node pages * until finishing nat/sit flush. */ retry_flush_nodes: @@ -767,9 +769,16 @@ retry_flush_nodes: if (get_pages(sbi, F2FS_DIRTY_NODES)) { up_write(&sbi->node_write); sync_node_pages(sbi, 0, &wbc); + if (unlikely(f2fs_cp_error(sbi))) { + f2fs_unlock_all(sbi); + err = -EIO; + goto out; + } goto retry_flush_nodes; } +out: blk_finish_plug(&plug); + return err; } static void unblock_operations(struct f2fs_sb_info *sbi) @@ -813,8 +822,11 @@ static void do_checkpoint(struct f2fs_sb_info *sbi, bool is_umount) discard_next_dnode(sbi, NEXT_FREE_BLKADDR(sbi, curseg)); /* Flush all the NAT/SIT pages */ - while (get_pages(sbi, F2FS_DIRTY_META)) + while (get_pages(sbi, F2FS_DIRTY_META)) { sync_meta_pages(sbi, META, LONG_MAX); + if (unlikely(f2fs_cp_error(sbi))) + return; + } next_free_nid(sbi, &last_nid); @@ -825,7 +837,7 @@ static void do_checkpoint(struct f2fs_sb_info *sbi, bool is_umount) ckpt->elapsed_time = cpu_to_le64(get_mtime(sbi)); ckpt->valid_block_count = cpu_to_le64(valid_user_blocks(sbi)); ckpt->free_segment_count = cpu_to_le32(free_segments(sbi)); - for (i = 0; i < 3; i++) { + for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) { ckpt->cur_node_segno[i] = cpu_to_le32(curseg_segno(sbi, i + CURSEG_HOT_NODE)); ckpt->cur_node_blkoff[i] = @@ -833,7 +845,7 @@ static void do_checkpoint(struct f2fs_sb_info *sbi, bool is_umount) ckpt->alloc_type[i + CURSEG_HOT_NODE] = curseg_alloc_type(sbi, i + CURSEG_HOT_NODE); } - for (i = 0; i < 3; i++) { + for (i = 0; i < NR_CURSEG_DATA_TYPE; i++) { ckpt->cur_data_segno[i] = cpu_to_le32(curseg_segno(sbi, i + CURSEG_HOT_DATA)); ckpt->cur_data_blkoff[i] = @@ -848,24 +860,23 @@ static void do_checkpoint(struct f2fs_sb_info *sbi, bool is_umount) /* 2 cp + n data seg summary + orphan inode blocks */ data_sum_blocks = npages_for_summary_flush(sbi); - if (data_sum_blocks < 3) + if (data_sum_blocks < NR_CURSEG_DATA_TYPE) set_ckpt_flags(ckpt, CP_COMPACT_SUM_FLAG); else clear_ckpt_flags(ckpt, CP_COMPACT_SUM_FLAG); - orphan_blocks = (sbi->n_orphans + F2FS_ORPHANS_PER_BLOCK - 1) - / F2FS_ORPHANS_PER_BLOCK; + orphan_blocks = GET_ORPHAN_BLOCKS(sbi->n_orphans); ckpt->cp_pack_start_sum = cpu_to_le32(1 + cp_payload_blks + orphan_blocks); if (is_umount) { set_ckpt_flags(ckpt, CP_UMOUNT_FLAG); - ckpt->cp_pack_total_block_count = cpu_to_le32(2 + + ckpt->cp_pack_total_block_count = cpu_to_le32(F2FS_CP_PACKS+ cp_payload_blks + data_sum_blocks + orphan_blocks + NR_CURSEG_NODE_TYPE); } else { clear_ckpt_flags(ckpt, CP_UMOUNT_FLAG); - ckpt->cp_pack_total_block_count = cpu_to_le32(2 + + ckpt->cp_pack_total_block_count = cpu_to_le32(F2FS_CP_PACKS + cp_payload_blks + data_sum_blocks + orphan_blocks); } @@ -924,6 +935,9 @@ static void do_checkpoint(struct f2fs_sb_info *sbi, bool is_umount) /* wait for previous submitted node/meta pages writeback */ wait_on_all_pages_writeback(sbi); + if (unlikely(f2fs_cp_error(sbi))) + return; + filemap_fdatawait_range(NODE_MAPPING(sbi), 0, LONG_MAX); filemap_fdatawait_range(META_MAPPING(sbi), 0, LONG_MAX); @@ -934,15 +948,17 @@ static void do_checkpoint(struct f2fs_sb_info *sbi, bool is_umount) /* Here, we only have one bio having CP pack */ sync_meta_pages(sbi, META_FLUSH, LONG_MAX); - if (!is_set_ckpt_flags(ckpt, CP_ERROR_FLAG)) { - clear_prefree_segments(sbi); - release_dirty_inode(sbi); - F2FS_RESET_SB_DIRT(sbi); - } + release_dirty_inode(sbi); + + if (unlikely(f2fs_cp_error(sbi))) + return; + + clear_prefree_segments(sbi); + F2FS_RESET_SB_DIRT(sbi); } /* - * We guarantee that this checkpoint procedure should not fail. + * We guarantee that this checkpoint procedure will not fail. */ void write_checkpoint(struct f2fs_sb_info *sbi, bool is_umount) { @@ -952,7 +968,13 @@ void write_checkpoint(struct f2fs_sb_info *sbi, bool is_umount) trace_f2fs_write_checkpoint(sbi->sb, is_umount, "start block_ops"); mutex_lock(&sbi->cp_mutex); - block_operations(sbi); + + if (!sbi->s_dirty) + goto out; + if (unlikely(f2fs_cp_error(sbi))) + goto out; + if (block_operations(sbi)) + goto out; trace_f2fs_write_checkpoint(sbi->sb, is_umount, "finish block_ops"); @@ -976,9 +998,9 @@ void write_checkpoint(struct f2fs_sb_info *sbi, bool is_umount) do_checkpoint(sbi, is_umount); unblock_operations(sbi); - mutex_unlock(&sbi->cp_mutex); - stat_inc_cp_count(sbi->stat_info); +out: + mutex_unlock(&sbi->cp_mutex); trace_f2fs_write_checkpoint(sbi->sb, is_umount, "finish checkpoint"); } @@ -999,8 +1021,8 @@ void init_ino_entry_info(struct f2fs_sb_info *sbi) * for cp pack we can have max 1020*504 orphan entries */ sbi->n_orphans = 0; - sbi->max_orphans = (sbi->blocks_per_seg - 2 - NR_CURSEG_TYPE) - * F2FS_ORPHANS_PER_BLOCK; + sbi->max_orphans = (sbi->blocks_per_seg - F2FS_CP_PACKS - + NR_CURSEG_TYPE) * F2FS_ORPHANS_PER_BLOCK; } int __init create_checkpoint_caches(void) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 03313099c51..76de83e25a8 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -53,7 +53,7 @@ static void f2fs_write_end_io(struct bio *bio, int err) struct page *page = bvec->bv_page; if (unlikely(err)) { - SetPageError(page); + set_page_dirty(page); set_bit(AS_EIO, &page->mapping->flags); f2fs_stop_checkpoint(sbi); } @@ -691,7 +691,7 @@ get_next: allocated = true; blkaddr = dn.data_blkaddr; } - /* Give more consecutive addresses for the read ahead */ + /* Give more consecutive addresses for the readahead */ if (blkaddr == (bh_result->b_blocknr + ofs)) { ofs++; dn.ofs_in_node++; @@ -739,7 +739,7 @@ static int f2fs_read_data_page(struct file *file, struct page *page) trace_f2fs_readpage(page, DATA); - /* If the file has inline data, try to read it directlly */ + /* If the file has inline data, try to read it directly */ if (f2fs_has_inline_data(inode)) ret = f2fs_read_inline_data(inode, page); else @@ -836,10 +836,19 @@ write: /* Dentry blocks are controlled by checkpoint */ if (S_ISDIR(inode->i_mode)) { + if (unlikely(f2fs_cp_error(sbi))) + goto redirty_out; err = do_write_data_page(page, &fio); goto done; } + /* we should bypass data pages to proceed the kworkder jobs */ + if (unlikely(f2fs_cp_error(sbi))) { + SetPageError(page); + unlock_page(page); + return 0; + } + if (!wbc->for_reclaim) need_balance_fs = true; else if (has_not_enough_free_secs(sbi, 0)) @@ -927,7 +936,7 @@ static void f2fs_write_failed(struct address_space *mapping, loff_t to) if (to > inode->i_size) { truncate_pagecache(inode, inode->i_size); - truncate_blocks(inode, inode->i_size); + truncate_blocks(inode, inode->i_size, true); } } @@ -946,7 +955,7 @@ static int f2fs_write_begin(struct file *file, struct address_space *mapping, f2fs_balance_fs(sbi); repeat: - err = f2fs_convert_inline_data(inode, pos + len); + err = f2fs_convert_inline_data(inode, pos + len, NULL); if (err) goto fail; diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index a441ba33be1..fecebdbfd78 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -32,7 +32,7 @@ static void update_general_status(struct f2fs_sb_info *sbi) struct f2fs_stat_info *si = F2FS_STAT(sbi); int i; - /* valid check of the segment numbers */ + /* validation check of the segment numbers */ si->hit_ext = sbi->read_hit_ext; si->total_ext = sbi->total_hit_ext; si->ndirty_node = get_pages(sbi, F2FS_DIRTY_NODES); @@ -152,7 +152,7 @@ static void update_mem_info(struct f2fs_sb_info *sbi) si->base_mem += NR_DIRTY_TYPE * f2fs_bitmap_size(TOTAL_SEGS(sbi)); si->base_mem += f2fs_bitmap_size(TOTAL_SECS(sbi)); - /* buld nm */ + /* build nm */ si->base_mem += sizeof(struct f2fs_nm_info); si->base_mem += __bitmap_size(sbi, NAT_BITMAP); diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c index bcf893c3d90..155fb056b7f 100644 --- a/fs/f2fs/dir.c +++ b/fs/f2fs/dir.c @@ -124,7 +124,7 @@ static struct f2fs_dir_entry *find_in_block(struct page *dentry_page, /* * For the most part, it should be a bug when name_len is zero. - * We stop here for figuring out where the bugs are occurred. + * We stop here for figuring out where the bugs has occurred. */ f2fs_bug_on(!de->name_len); @@ -391,7 +391,7 @@ put_error: error: /* once the failed inode becomes a bad inode, i_mode is S_IFREG */ truncate_inode_pages(&inode->i_data, 0); - truncate_blocks(inode, 0); + truncate_blocks(inode, 0, false); remove_dirty_dir_inode(inode); remove_inode_page(inode); return ERR_PTR(err); @@ -563,7 +563,7 @@ fail: } /* - * It only removes the dentry from the dentry page,corresponding name + * It only removes the dentry from the dentry page, corresponding name * entry in name page does not need to be touched during deletion. */ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page, diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 4dab5338a97..e921242186f 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -24,7 +24,7 @@ #define f2fs_bug_on(condition) BUG_ON(condition) #define f2fs_down_write(x, y) down_write_nest_lock(x, y) #else -#define f2fs_bug_on(condition) +#define f2fs_bug_on(condition) WARN_ON(condition) #define f2fs_down_write(x, y) down_write(x) #endif @@ -395,7 +395,7 @@ enum count_type { }; /* - * The below are the page types of bios used in submti_bio(). + * The below are the page types of bios used in submit_bio(). * The available types are: * DATA User data pages. It operates as async mode. * NODE Node pages. It operates as async mode. @@ -470,7 +470,7 @@ struct f2fs_sb_info { struct list_head dir_inode_list; /* dir inode list */ spinlock_t dir_inode_lock; /* for dir inode list lock */ - /* basic file system units */ + /* basic filesystem units */ unsigned int log_sectors_per_block; /* log2 sectors per block */ unsigned int log_blocksize; /* log2 block size */ unsigned int blocksize; /* block size */ @@ -799,7 +799,7 @@ static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi) /* * odd numbered checkpoint should at cp segment 0 - * and even segent must be at cp segment 1 + * and even segment must be at cp segment 1 */ if (!(ckpt_version & 1)) start_addr += sbi->blocks_per_seg; @@ -1096,6 +1096,11 @@ static inline int f2fs_readonly(struct super_block *sb) return sb->s_flags & MS_RDONLY; } +static inline bool f2fs_cp_error(struct f2fs_sb_info *sbi) +{ + return is_set_ckpt_flags(sbi->ckpt, CP_ERROR_FLAG); +} + static inline void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi) { set_ckpt_flags(sbi->ckpt, CP_ERROR_FLAG); @@ -1117,7 +1122,7 @@ static inline void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi) */ int f2fs_sync_file(struct file *, loff_t, loff_t, int); void truncate_data_blocks(struct dnode_of_data *); -int truncate_blocks(struct inode *, u64); +int truncate_blocks(struct inode *, u64, bool); void f2fs_truncate(struct inode *); int f2fs_getattr(struct vfsmount *, struct dentry *, struct kstat *); int f2fs_setattr(struct dentry *, struct iattr *); @@ -1202,10 +1207,8 @@ int sync_node_pages(struct f2fs_sb_info *, nid_t, struct writeback_control *); bool alloc_nid(struct f2fs_sb_info *, nid_t *); void alloc_nid_done(struct f2fs_sb_info *, nid_t); void alloc_nid_failed(struct f2fs_sb_info *, nid_t); -void recover_node_page(struct f2fs_sb_info *, struct page *, - struct f2fs_summary *, struct node_info *, block_t); void recover_inline_xattr(struct inode *, struct page *); -bool recover_xattr_data(struct inode *, struct page *, block_t); +void recover_xattr_data(struct inode *, struct page *, block_t); int recover_inode_page(struct f2fs_sb_info *, struct page *); int restore_node_summary(struct f2fs_sb_info *, unsigned int, struct f2fs_summary_block *); @@ -1238,8 +1241,6 @@ void write_data_page(struct page *, struct dnode_of_data *, block_t *, void rewrite_data_page(struct page *, block_t, struct f2fs_io_info *); void recover_data_page(struct f2fs_sb_info *, struct page *, struct f2fs_summary *, block_t, block_t); -void rewrite_node_page(struct f2fs_sb_info *, struct page *, - struct f2fs_summary *, block_t, block_t); void allocate_data_block(struct f2fs_sb_info *, struct page *, block_t, block_t *, struct f2fs_summary *, int); void f2fs_wait_on_page_writeback(struct page *, enum page_type); @@ -1262,6 +1263,7 @@ int ra_meta_pages(struct f2fs_sb_info *, int, int, int); long sync_meta_pages(struct f2fs_sb_info *, enum page_type, long); void add_dirty_inode(struct f2fs_sb_info *, nid_t, int type); void remove_dirty_inode(struct f2fs_sb_info *, nid_t, int type); +void release_dirty_inode(struct f2fs_sb_info *); bool exist_written_data(struct f2fs_sb_info *, nid_t, int); int acquire_orphan_inode(struct f2fs_sb_info *); void release_orphan_inode(struct f2fs_sb_info *); @@ -1439,8 +1441,8 @@ extern const struct inode_operations f2fs_special_inode_operations; */ bool f2fs_may_inline(struct inode *); int f2fs_read_inline_data(struct inode *, struct page *); -int f2fs_convert_inline_data(struct inode *, pgoff_t); +int f2fs_convert_inline_data(struct inode *, pgoff_t, struct page *); int f2fs_write_inline_data(struct inode *, struct page *, unsigned int); void truncate_inline_data(struct inode *, u64); -int recover_inline_data(struct inode *, struct page *); +bool recover_inline_data(struct inode *, struct page *); #endif diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 208f1a9bd56..060aee65aee 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -41,6 +41,11 @@ static int f2fs_vm_page_mkwrite(struct vm_area_struct *vma, sb_start_pagefault(inode->i_sb); + /* force to convert with normal data indices */ + err = f2fs_convert_inline_data(inode, MAX_INLINE_DATA + 1, page); + if (err) + goto out; + /* block allocation */ f2fs_lock_op(sbi); set_new_dnode(&dn, inode, NULL, NULL, 0); @@ -110,6 +115,25 @@ static int get_parent_ino(struct inode *inode, nid_t *pino) return 1; } +static inline bool need_do_checkpoint(struct inode *inode) +{ + struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb); + bool need_cp = false; + + if (!S_ISREG(inode->i_mode) || inode->i_nlink != 1) + need_cp = true; + else if (file_wrong_pino(inode)) + need_cp = true; + else if (!space_for_roll_forward(sbi)) + need_cp = true; + else if (!is_checkpointed_node(sbi, F2FS_I(inode)->i_pino)) + need_cp = true; + else if (F2FS_I(inode)->xattr_ver == cur_cp_version(F2FS_CKPT(sbi))) + need_cp = true; + + return need_cp; +} + int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) { struct inode *inode = file->f_mapping->host; @@ -154,23 +178,12 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) /* guarantee free sections for fsync */ f2fs_balance_fs(sbi); - down_read(&fi->i_sem); - /* * Both of fdatasync() and fsync() are able to be recovered from * sudden-power-off. */ - if (!S_ISREG(inode->i_mode) || inode->i_nlink != 1) - need_cp = true; - else if (file_wrong_pino(inode)) - need_cp = true; - else if (!space_for_roll_forward(sbi)) - need_cp = true; - else if (!is_checkpointed_node(sbi, F2FS_I(inode)->i_pino)) - need_cp = true; - else if (F2FS_I(inode)->xattr_ver == cur_cp_version(F2FS_CKPT(sbi))) - need_cp = true; - + down_read(&fi->i_sem); + need_cp = need_do_checkpoint(inode); up_read(&fi->i_sem); if (need_cp) { @@ -288,7 +301,7 @@ static loff_t f2fs_seek_block(struct file *file, loff_t offset, int whence) if (err && err != -ENOENT) { goto fail; } else if (err == -ENOENT) { - /* direct node is not exist */ + /* direct node does not exists */ if (whence == SEEK_DATA) { pgofs = PGOFS_OF_NEXT_DNODE(pgofs, F2FS_I(inode)); @@ -417,7 +430,7 @@ out: f2fs_put_page(page, 1); } -int truncate_blocks(struct inode *inode, u64 from) +int truncate_blocks(struct inode *inode, u64 from, bool lock) { struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb); unsigned int blocksize = inode->i_sb->s_blocksize; @@ -433,14 +446,16 @@ int truncate_blocks(struct inode *inode, u64 from) free_from = (pgoff_t) ((from + blocksize - 1) >> (sbi->log_blocksize)); - f2fs_lock_op(sbi); + if (lock) + f2fs_lock_op(sbi); set_new_dnode(&dn, inode, NULL, NULL, 0); err = get_dnode_of_data(&dn, free_from, LOOKUP_NODE); if (err) { if (err == -ENOENT) goto free_next; - f2fs_unlock_op(sbi); + if (lock) + f2fs_unlock_op(sbi); trace_f2fs_truncate_blocks_exit(inode, err); return err; } @@ -458,7 +473,8 @@ int truncate_blocks(struct inode *inode, u64 from) f2fs_put_dnode(&dn); free_next: err = truncate_inode_blocks(inode, free_from); - f2fs_unlock_op(sbi); + if (lock) + f2fs_unlock_op(sbi); done: /* lastly zero out the first data page */ truncate_partial_data_page(inode, from); @@ -475,7 +491,7 @@ void f2fs_truncate(struct inode *inode) trace_f2fs_truncate(inode); - if (!truncate_blocks(inode, i_size_read(inode))) { + if (!truncate_blocks(inode, i_size_read(inode), true)) { inode->i_mtime = inode->i_ctime = CURRENT_TIME; mark_inode_dirty(inode); } @@ -533,7 +549,7 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr) if ((attr->ia_valid & ATTR_SIZE) && attr->ia_size != i_size_read(inode)) { - err = f2fs_convert_inline_data(inode, attr->ia_size); + err = f2fs_convert_inline_data(inode, attr->ia_size, NULL); if (err) return err; @@ -622,7 +638,7 @@ static int punch_hole(struct inode *inode, loff_t offset, loff_t len) loff_t off_start, off_end; int ret = 0; - ret = f2fs_convert_inline_data(inode, MAX_INLINE_DATA + 1); + ret = f2fs_convert_inline_data(inode, MAX_INLINE_DATA + 1, NULL); if (ret) return ret; @@ -678,7 +694,7 @@ static int expand_inode_data(struct inode *inode, loff_t offset, if (ret) return ret; - ret = f2fs_convert_inline_data(inode, offset + len); + ret = f2fs_convert_inline_data(inode, offset + len, NULL); if (ret) return ret; diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index d7947d90ccc..943a31db7cc 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -58,7 +58,7 @@ static int gc_thread_func(void *data) * 3. IO subsystem is idle by checking the # of requests in * bdev's request list. * - * Note) We have to avoid triggering GCs too much frequently. + * Note) We have to avoid triggering GCs frequently. * Because it is possible that some segments can be * invalidated soon after by user update or deletion. * So, I'd like to wait some time to collect dirty segments. @@ -222,7 +222,7 @@ static unsigned int get_cb_cost(struct f2fs_sb_info *sbi, unsigned int segno) u = (vblocks * 100) >> sbi->log_blocks_per_seg; - /* Handle if the system time is changed by user */ + /* Handle if the system time has changed by the user */ if (mtime < sit_i->min_mtime) sit_i->min_mtime = mtime; if (mtime > sit_i->max_mtime) @@ -593,7 +593,7 @@ next_step: if (phase == 2) { inode = f2fs_iget(sb, dni.ino); - if (IS_ERR(inode)) + if (IS_ERR(inode) || is_bad_inode(inode)) continue; start_bidx = start_bidx_of_node(nofs, F2FS_I(inode)); @@ -693,7 +693,7 @@ int f2fs_gc(struct f2fs_sb_info *sbi) gc_more: if (unlikely(!(sbi->sb->s_flags & MS_ACTIVE))) goto stop; - if (unlikely(is_set_ckpt_flags(F2FS_CKPT(sbi), CP_ERROR_FLAG))) + if (unlikely(f2fs_cp_error(sbi))) goto stop; if (gc_type == BG_GC && has_not_enough_free_secs(sbi, nfree)) { diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h index 5d5eb6047bf..16f0b2b2299 100644 --- a/fs/f2fs/gc.h +++ b/fs/f2fs/gc.h @@ -91,7 +91,7 @@ static inline bool has_enough_invalid_blocks(struct f2fs_sb_info *sbi) block_t invalid_user_blocks = sbi->user_block_count - written_block_count(sbi); /* - * Background GC is triggered with the following condition. + * Background GC is triggered with the following conditions. * 1. There are a number of invalid blocks. * 2. There is not enough free space. */ diff --git a/fs/f2fs/hash.c b/fs/f2fs/hash.c index 948d17bf728..a844fcfb9a8 100644 --- a/fs/f2fs/hash.c +++ b/fs/f2fs/hash.c @@ -42,7 +42,8 @@ static void TEA_transform(unsigned int buf[4], unsigned int const in[]) buf[1] += b1; } -static void str2hashbuf(const char *msg, size_t len, unsigned int *buf, int num) +static void str2hashbuf(const unsigned char *msg, size_t len, + unsigned int *buf, int num) { unsigned pad, val; int i; @@ -73,9 +74,9 @@ f2fs_hash_t f2fs_dentry_hash(const struct qstr *name_info) { __u32 hash; f2fs_hash_t f2fs_hash; - const char *p; + const unsigned char *p; __u32 in[8], buf[4]; - const char *name = name_info->name; + const unsigned char *name = name_info->name; size_t len = name_info->len; if ((len <= 2) && (name[0] == '.') && diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c index 5beeccef9ae..3e8ecdf3742 100644 --- a/fs/f2fs/inline.c +++ b/fs/f2fs/inline.c @@ -68,7 +68,7 @@ out: static int __f2fs_convert_inline_data(struct inode *inode, struct page *page) { - int err; + int err = 0; struct page *ipage; struct dnode_of_data dn; void *src_addr, *dst_addr; @@ -86,6 +86,10 @@ static int __f2fs_convert_inline_data(struct inode *inode, struct page *page) goto out; } + /* someone else converted inline_data already */ + if (!f2fs_has_inline_data(inode)) + goto out; + /* * i_addr[0] is not used for inline data, * so reserving new block will not destroy inline data @@ -124,9 +128,10 @@ out: return err; } -int f2fs_convert_inline_data(struct inode *inode, pgoff_t to_size) +int f2fs_convert_inline_data(struct inode *inode, pgoff_t to_size, + struct page *page) { - struct page *page; + struct page *new_page = page; int err; if (!f2fs_has_inline_data(inode)) @@ -134,17 +139,20 @@ int f2fs_convert_inline_data(struct inode *inode, pgoff_t to_size) else if (to_size <= MAX_INLINE_DATA) return 0; - page = grab_cache_page(inode->i_mapping, 0); - if (!page) - return -ENOMEM; + if (!page || page->index != 0) { + new_page = grab_cache_page(inode->i_mapping, 0); + if (!new_page) + return -ENOMEM; + } - err = __f2fs_convert_inline_data(inode, page); - f2fs_put_page(page, 1); + err = __f2fs_convert_inline_data(inode, new_page); + if (!page || page->index != 0) + f2fs_put_page(new_page, 1); return err; } int f2fs_write_inline_data(struct inode *inode, - struct page *page, unsigned size) + struct page *page, unsigned size) { void *src_addr, *dst_addr; struct page *ipage; @@ -199,7 +207,7 @@ void truncate_inline_data(struct inode *inode, u64 from) f2fs_put_page(ipage, 1); } -int recover_inline_data(struct inode *inode, struct page *npage) +bool recover_inline_data(struct inode *inode, struct page *npage) { struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb); struct f2fs_inode *ri = NULL; @@ -218,7 +226,7 @@ int recover_inline_data(struct inode *inode, struct page *npage) ri = F2FS_INODE(npage); if (f2fs_has_inline_data(inode) && - ri && ri->i_inline & F2FS_INLINE_DATA) { + ri && (ri->i_inline & F2FS_INLINE_DATA)) { process_inline: ipage = get_node_page(sbi, inode->i_ino); f2fs_bug_on(IS_ERR(ipage)); @@ -230,7 +238,7 @@ process_inline: memcpy(dst_addr, src_addr, MAX_INLINE_DATA); update_inode(inode, ipage); f2fs_put_page(ipage, 1); - return -1; + return true; } if (f2fs_has_inline_data(inode)) { @@ -242,10 +250,10 @@ process_inline: clear_inode_flag(F2FS_I(inode), FI_INLINE_DATA); update_inode(inode, ipage); f2fs_put_page(ipage, 1); - } else if (ri && ri->i_inline & F2FS_INLINE_DATA) { - truncate_blocks(inode, 0); + } else if (ri && (ri->i_inline & F2FS_INLINE_DATA)) { + truncate_blocks(inode, 0, false); set_inode_flag(F2FS_I(inode), FI_INLINE_DATA); goto process_inline; } - return 0; + return false; } diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index 27b03776ffd..ee103fd7283 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -134,9 +134,7 @@ static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode, return 0; out: clear_nlink(inode); - unlock_new_inode(inode); - make_bad_inode(inode); - iput(inode); + iget_failed(inode); alloc_nid_failed(sbi, ino); return err; } @@ -229,7 +227,7 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry) f2fs_delete_entry(de, page, inode); f2fs_unlock_op(sbi); - /* In order to evict this inode, we set it dirty */ + /* In order to evict this inode, we set it dirty */ mark_inode_dirty(inode); fail: trace_f2fs_unlink_exit(inode, err); @@ -267,9 +265,7 @@ static int f2fs_symlink(struct inode *dir, struct dentry *dentry, return err; out: clear_nlink(inode); - unlock_new_inode(inode); - make_bad_inode(inode); - iput(inode); + iget_failed(inode); alloc_nid_failed(sbi, inode->i_ino); return err; } @@ -308,9 +304,7 @@ static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) out_fail: clear_inode_flag(F2FS_I(inode), FI_INC_LINK); clear_nlink(inode); - unlock_new_inode(inode); - make_bad_inode(inode); - iput(inode); + iget_failed(inode); alloc_nid_failed(sbi, inode->i_ino); return err; } @@ -354,9 +348,7 @@ static int f2fs_mknod(struct inode *dir, struct dentry *dentry, return 0; out: clear_nlink(inode); - unlock_new_inode(inode); - make_bad_inode(inode); - iput(inode); + iget_failed(inode); alloc_nid_failed(sbi, inode->i_ino); return err; } @@ -688,9 +680,7 @@ release_out: out: f2fs_unlock_op(sbi); clear_nlink(inode); - unlock_new_inode(inode); - make_bad_inode(inode); - iput(inode); + iget_failed(inode); alloc_nid_failed(sbi, inode->i_ino); return err; } @@ -704,7 +694,6 @@ const struct inode_operations f2fs_dir_inode_operations = { .mkdir = f2fs_mkdir, .rmdir = f2fs_rmdir, .mknod = f2fs_mknod, - .rename = f2fs_rename, .rename2 = f2fs_rename2, .tmpfile = f2fs_tmpfile, .getattr = f2fs_getattr, diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index d3d90d28463..45378196e19 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -237,7 +237,7 @@ retry: nat_get_blkaddr(e) != NULL_ADDR && new_blkaddr == NEW_ADDR); - /* increament version no as node is removed */ + /* increment version no as node is removed */ if (nat_get_blkaddr(e) != NEW_ADDR && new_blkaddr == NULL_ADDR) { unsigned char version = nat_get_version(e); nat_set_version(e, inc_node_version(version)); @@ -274,7 +274,7 @@ int try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink) } /* - * This function returns always success + * This function always returns success */ void get_node_info(struct f2fs_sb_info *sbi, nid_t nid, struct node_info *ni) { @@ -650,7 +650,7 @@ static int truncate_partial_nodes(struct dnode_of_data *dn, /* get indirect nodes in the path */ for (i = 0; i < idx + 1; i++) { - /* refernece count'll be increased */ + /* reference count'll be increased */ pages[i] = get_node_page(sbi, nid[i]); if (IS_ERR(pages[i])) { err = PTR_ERR(pages[i]); @@ -823,22 +823,26 @@ int truncate_xattr_node(struct inode *inode, struct page *page) */ void remove_inode_page(struct inode *inode) { - struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb); - struct page *page; - nid_t ino = inode->i_ino; struct dnode_of_data dn; - page = get_node_page(sbi, ino); - if (IS_ERR(page)) + set_new_dnode(&dn, inode, NULL, NULL, inode->i_ino); + if (get_dnode_of_data(&dn, 0, LOOKUP_NODE)) return; - if (truncate_xattr_node(inode, page)) { - f2fs_put_page(page, 1); + if (truncate_xattr_node(inode, dn.inode_page)) { + f2fs_put_dnode(&dn); return; } - /* 0 is possible, after f2fs_new_inode() is failed */ + + /* remove potential inline_data blocks */ + if (S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || + S_ISLNK(inode->i_mode)) + truncate_data_blocks_range(&dn, 1); + + /* 0 is possible, after f2fs_new_inode() has failed */ f2fs_bug_on(inode->i_blocks != 0 && inode->i_blocks != 1); - set_new_dnode(&dn, inode, page, page, ino); + + /* will put inode & node pages */ truncate_node(&dn); } @@ -1129,8 +1133,11 @@ continue_unlock: set_fsync_mark(page, 0); set_dentry_mark(page, 0); } - NODE_MAPPING(sbi)->a_ops->writepage(page, wbc); - wrote++; + + if (NODE_MAPPING(sbi)->a_ops->writepage(page, wbc)) + unlock_page(page); + else + wrote++; if (--wbc->nr_to_write == 0) break; @@ -1212,6 +1219,8 @@ static int f2fs_write_node_page(struct page *page, if (unlikely(sbi->por_doing)) goto redirty_out; + if (unlikely(f2fs_cp_error(sbi))) + goto redirty_out; f2fs_wait_on_page_writeback(page, NODE); @@ -1540,15 +1549,6 @@ void alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid) kmem_cache_free(free_nid_slab, i); } -void recover_node_page(struct f2fs_sb_info *sbi, struct page *page, - struct f2fs_summary *sum, struct node_info *ni, - block_t new_blkaddr) -{ - rewrite_node_page(sbi, page, sum, ni->blk_addr, new_blkaddr); - set_node_addr(sbi, ni, new_blkaddr, false); - clear_node_page_dirty(page); -} - void recover_inline_xattr(struct inode *inode, struct page *page) { struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb); @@ -1557,40 +1557,33 @@ void recover_inline_xattr(struct inode *inode, struct page *page) struct page *ipage; struct f2fs_inode *ri; - if (!f2fs_has_inline_xattr(inode)) - return; - - if (!IS_INODE(page)) - return; - - ri = F2FS_INODE(page); - if (!(ri->i_inline & F2FS_INLINE_XATTR)) - return; - ipage = get_node_page(sbi, inode->i_ino); f2fs_bug_on(IS_ERR(ipage)); + ri = F2FS_INODE(page); + if (!(ri->i_inline & F2FS_INLINE_XATTR)) { + clear_inode_flag(F2FS_I(inode), FI_INLINE_XATTR); + goto update_inode; + } + dst_addr = inline_xattr_addr(ipage); src_addr = inline_xattr_addr(page); inline_size = inline_xattr_size(inode); f2fs_wait_on_page_writeback(ipage, NODE); memcpy(dst_addr, src_addr, inline_size); - +update_inode: update_inode(inode, ipage); f2fs_put_page(ipage, 1); } -bool recover_xattr_data(struct inode *inode, struct page *page, block_t blkaddr) +void recover_xattr_data(struct inode *inode, struct page *page, block_t blkaddr) { struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb); nid_t prev_xnid = F2FS_I(inode)->i_xattr_nid; nid_t new_xnid = nid_of_node(page); struct node_info ni; - if (!f2fs_has_xattr_block(ofs_of_node(page))) - return false; - /* 1: invalidate the previous xattr nid */ if (!prev_xnid) goto recover_xnid; @@ -1618,7 +1611,6 @@ recover_xnid: set_node_addr(sbi, &ni, blkaddr, false); update_inode_page(inode); - return true; } int recover_inode_page(struct f2fs_sb_info *sbi, struct page *page) @@ -1637,7 +1629,7 @@ int recover_inode_page(struct f2fs_sb_info *sbi, struct page *page) if (!ipage) return -ENOMEM; - /* Should not use this inode from free nid list */ + /* Should not use this inode from free nid list */ remove_free_nid(NM_I(sbi), ino); SetPageUptodate(ipage); @@ -1651,6 +1643,7 @@ int recover_inode_page(struct f2fs_sb_info *sbi, struct page *page) dst->i_blocks = cpu_to_le64(1); dst->i_links = cpu_to_le32(1); dst->i_xattr_nid = 0; + dst->i_inline = src->i_inline & F2FS_INLINE_XATTR; new_ni = old_ni; new_ni.ino = ino; @@ -1659,13 +1652,14 @@ int recover_inode_page(struct f2fs_sb_info *sbi, struct page *page) WARN_ON(1); set_node_addr(sbi, &new_ni, NEW_ADDR, false); inc_valid_inode_count(sbi); + set_page_dirty(ipage); f2fs_put_page(ipage, 1); return 0; } /* * ra_sum_pages() merge contiguous pages into one bio and submit. - * these pre-readed pages are alloced in bd_inode's mapping tree. + * these pre-read pages are allocated in bd_inode's mapping tree. */ static int ra_sum_pages(struct f2fs_sb_info *sbi, struct page **pages, int start, int nrpages) @@ -1709,7 +1703,7 @@ int restore_node_summary(struct f2fs_sb_info *sbi, for (i = 0; !err && i < last_offset; i += nrpages, addr += nrpages) { nrpages = min(last_offset - i, bio_blocks); - /* read ahead node pages */ + /* readahead node pages */ nrpages = ra_sum_pages(sbi, pages, addr, nrpages); if (!nrpages) return -ENOMEM; @@ -1967,7 +1961,7 @@ static int init_node_manager(struct f2fs_sb_info *sbi) nm_i->max_nid = NAT_ENTRY_PER_BLOCK * nat_blocks; /* not used nids: 0, node, meta, (and root counted as valid node) */ - nm_i->available_nids = nm_i->max_nid - 3; + nm_i->available_nids = nm_i->max_nid - F2FS_RESERVED_NODE_NUM; nm_i->fcnt = 0; nm_i->nat_cnt = 0; nm_i->ram_thresh = DEF_RAM_THRESHOLD; diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c index fe1c6d921ba..756c41cd258 100644 --- a/fs/f2fs/recovery.c +++ b/fs/f2fs/recovery.c @@ -62,8 +62,10 @@ static int recover_dentry(struct page *ipage, struct inode *inode) } retry: de = f2fs_find_entry(dir, &name, &page); - if (de && inode->i_ino == le32_to_cpu(de->ino)) + if (de && inode->i_ino == le32_to_cpu(de->ino)) { + clear_inode_flag(F2FS_I(inode), FI_INC_LINK); goto out_unmap_put; + } if (de) { einode = f2fs_iget(inode->i_sb, le32_to_cpu(de->ino)); if (IS_ERR(einode)) { @@ -300,14 +302,19 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode, struct node_info ni; int err = 0, recovered = 0; - recover_inline_xattr(inode, page); - - if (recover_inline_data(inode, page)) + /* step 1: recover xattr */ + if (IS_INODE(page)) { + recover_inline_xattr(inode, page); + } else if (f2fs_has_xattr_block(ofs_of_node(page))) { + recover_xattr_data(inode, page, blkaddr); goto out; + } - if (recover_xattr_data(inode, page, blkaddr)) + /* step 2: recover inline data */ + if (recover_inline_data(inode, page)) goto out; + /* step 3: recover data indices */ start = start_bidx_of_node(ofs_of_node(page), fi); end = start + ADDRS_PER_PAGE(page, fi); @@ -364,8 +371,6 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode, fill_node_footer(dn.node_page, dn.nid, ni.ino, ofs_of_node(page), false); set_page_dirty(dn.node_page); - - recover_node_page(sbi, dn.node_page, &sum, &ni, blkaddr); err: f2fs_put_dnode(&dn); f2fs_unlock_op(sbi); @@ -452,6 +457,9 @@ int recover_fsync_data(struct f2fs_sb_info *sbi) /* step #1: find fsynced inode numbers */ sbi->por_doing = true; + /* prevent checkpoint */ + mutex_lock(&sbi->cp_mutex); + blkaddr = NEXT_FREE_BLKADDR(sbi, curseg); err = find_fsync_dnodes(sbi, &inode_list); @@ -465,7 +473,8 @@ int recover_fsync_data(struct f2fs_sb_info *sbi) /* step #2: recover data */ err = recover_data(sbi, &inode_list, CURSEG_WARM_NODE); - f2fs_bug_on(!list_empty(&inode_list)); + if (!err) + f2fs_bug_on(!list_empty(&inode_list)); out: destroy_fsync_dnodes(&inode_list); kmem_cache_destroy(fsync_entry_slab); @@ -482,8 +491,13 @@ out: /* Flush all the NAT/SIT pages */ while (get_pages(sbi, F2FS_DIRTY_META)) sync_meta_pages(sbi, META, LONG_MAX); + set_ckpt_flags(sbi->ckpt, CP_ERROR_FLAG); + mutex_unlock(&sbi->cp_mutex); } else if (need_writecp) { + mutex_unlock(&sbi->cp_mutex); write_checkpoint(sbi, false); + } else { + mutex_unlock(&sbi->cp_mutex); } return err; } diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 0dfeebae2a5..0aa337cd5bb 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -62,7 +62,7 @@ static inline unsigned long __reverse_ffs(unsigned long word) } /* - * __find_rev_next(_zero)_bit is copied from lib/find_next_bit.c becasue + * __find_rev_next(_zero)_bit is copied from lib/find_next_bit.c because * f2fs_set_bit makes MSB and LSB reversed in a byte. * Example: * LSB <--> MSB @@ -808,7 +808,7 @@ static void __refresh_next_blkoff(struct f2fs_sb_info *sbi, } /* - * This function always allocates a used segment (from dirty seglist) by SSR + * This function always allocates a used segment(from dirty seglist) by SSR * manner, so it should recover the existing segment information of valid blocks */ static void change_curseg(struct f2fs_sb_info *sbi, int type, bool reuse) @@ -1103,55 +1103,6 @@ void recover_data_page(struct f2fs_sb_info *sbi, mutex_unlock(&curseg->curseg_mutex); } -void rewrite_node_page(struct f2fs_sb_info *sbi, - struct page *page, struct f2fs_summary *sum, - block_t old_blkaddr, block_t new_blkaddr) -{ - struct sit_info *sit_i = SIT_I(sbi); - int type = CURSEG_WARM_NODE; - struct curseg_info *curseg; - unsigned int segno, old_cursegno; - block_t next_blkaddr = next_blkaddr_of_node(page); - unsigned int next_segno = GET_SEGNO(sbi, next_blkaddr); - struct f2fs_io_info fio = { - .type = NODE, - .rw = WRITE_SYNC, - }; - - curseg = CURSEG_I(sbi, type); - - mutex_lock(&curseg->curseg_mutex); - mutex_lock(&sit_i->sentry_lock); - - segno = GET_SEGNO(sbi, new_blkaddr); - old_cursegno = curseg->segno; - - /* change the current segment */ - if (segno != curseg->segno) { - curseg->next_segno = segno; - change_curseg(sbi, type, true); - } - curseg->next_blkoff = GET_BLKOFF_FROM_SEG0(sbi, new_blkaddr); - __add_sum_entry(sbi, type, sum); - - /* change the current log to the next block addr in advance */ - if (next_segno != segno) { - curseg->next_segno = next_segno; - change_curseg(sbi, type, true); - } - curseg->next_blkoff = GET_BLKOFF_FROM_SEG0(sbi, next_blkaddr); - - /* rewrite node page */ - set_page_writeback(page); - f2fs_submit_page_mbio(sbi, page, new_blkaddr, &fio); - f2fs_submit_merged_bio(sbi, NODE, WRITE); - refresh_sit_entry(sbi, old_blkaddr, new_blkaddr); - locate_dirty_segment(sbi, old_cursegno); - - mutex_unlock(&sit_i->sentry_lock); - mutex_unlock(&curseg->curseg_mutex); -} - static inline bool is_merged_page(struct f2fs_sb_info *sbi, struct page *page, enum page_type type) { diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index 55973f7b033..ff483257283 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -549,7 +549,7 @@ static inline void verify_block_addr(struct f2fs_sb_info *sbi, block_t blk_addr) } /* - * Summary block is always treated as invalid block + * Summary block is always treated as an invalid block */ static inline void check_block_count(struct f2fs_sb_info *sbi, int segno, struct f2fs_sit_entry *raw_sit) diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 657582fc760..41bdf511003 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -432,9 +432,15 @@ static void f2fs_put_super(struct super_block *sb) stop_gc_thread(sbi); /* We don't need to do checkpoint when it's clean */ - if (sbi->s_dirty && get_pages(sbi, F2FS_DIRTY_NODES)) + if (sbi->s_dirty) write_checkpoint(sbi, true); + /* + * normally superblock is clean, so we need to release this. + * In addition, EIO will skip do checkpoint, we need this as well. + */ + release_dirty_inode(sbi); + iput(sbi->node_inode); iput(sbi->meta_inode); @@ -457,9 +463,6 @@ int f2fs_sync_fs(struct super_block *sb, int sync) trace_f2fs_sync_fs(sb, sync); - if (!sbi->s_dirty && !get_pages(sbi, F2FS_DIRTY_NODES)) - return 0; - if (sync) { mutex_lock(&sbi->gc_mutex); write_checkpoint(sbi, false); @@ -505,8 +508,8 @@ static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_bfree = buf->f_blocks - valid_user_blocks(sbi) - ovp_count; buf->f_bavail = user_block_count - valid_user_blocks(sbi); - buf->f_files = sbi->total_node_count; - buf->f_ffree = sbi->total_node_count - valid_inode_count(sbi); + buf->f_files = sbi->total_node_count - F2FS_RESERVED_NODE_NUM; + buf->f_ffree = buf->f_files - valid_inode_count(sbi); buf->f_namelen = F2FS_NAME_LEN; buf->f_fsid.val[0] = (u32)id; @@ -663,7 +666,7 @@ restore_gc: if (need_restart_gc) { if (start_gc_thread(sbi)) f2fs_msg(sbi->sb, KERN_WARNING, - "background gc thread is stop"); + "background gc thread has stopped"); } else if (need_stop_gc) { stop_gc_thread(sbi); } @@ -812,7 +815,7 @@ static int sanity_check_ckpt(struct f2fs_sb_info *sbi) if (unlikely(fsmeta >= total)) return 1; - if (unlikely(is_set_ckpt_flags(ckpt, CP_ERROR_FLAG))) { + if (unlikely(f2fs_cp_error(sbi))) { f2fs_msg(sbi->sb, KERN_ERR, "A bug case: need to run fsck"); return 1; } @@ -899,8 +902,10 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent) struct buffer_head *raw_super_buf; struct inode *root; long err = -EINVAL; + bool retry = true; int i; +try_onemore: /* allocate memory for f2fs-specific super block info */ sbi = kzalloc(sizeof(struct f2fs_sb_info), GFP_KERNEL); if (!sbi) @@ -1080,9 +1085,11 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent) /* recover fsynced data */ if (!test_opt(sbi, DISABLE_ROLL_FORWARD)) { err = recover_fsync_data(sbi); - if (err) + if (err) { f2fs_msg(sb, KERN_ERR, "Cannot recover all fsync data errno=%ld", err); + goto free_kobj; + } } /* @@ -1123,6 +1130,13 @@ free_sb_buf: brelse(raw_super_buf); free_sbi: kfree(sbi); + + /* give only one another chance */ + if (retry) { + retry = 0; + shrink_dcache_sb(sb); + goto try_onemore; + } return err; } diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c index 8bea941ee30..728a5dc3dc1 100644 --- a/fs/f2fs/xattr.c +++ b/fs/f2fs/xattr.c @@ -528,7 +528,7 @@ static int __f2fs_setxattr(struct inode *inode, int index, int free; /* * If value is NULL, it is remove operation. - * In case of update operation, we caculate free. + * In case of update operation, we calculate free. */ free = MIN_OFFSET(inode) - ((char *)last - (char *)base_addr); if (found) diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c index 6fac7434985..b73e0215baa 100644 --- a/fs/jbd2/commit.c +++ b/fs/jbd2/commit.c @@ -97,7 +97,7 @@ static void jbd2_commit_block_csum_set(journal_t *j, struct buffer_head *bh) struct commit_header *h; __u32 csum; - if (!JBD2_HAS_INCOMPAT_FEATURE(j, JBD2_FEATURE_INCOMPAT_CSUM_V2)) + if (!jbd2_journal_has_csum_v2or3(j)) return; h = (struct commit_header *)(bh->b_data); @@ -313,11 +313,11 @@ static __u32 jbd2_checksum_data(__u32 crc32_sum, struct buffer_head *bh) return checksum; } -static void write_tag_block(int tag_bytes, journal_block_tag_t *tag, +static void write_tag_block(journal_t *j, journal_block_tag_t *tag, unsigned long long block) { tag->t_blocknr = cpu_to_be32(block & (u32)~0); - if (tag_bytes > JBD2_TAG_SIZE32) + if (JBD2_HAS_INCOMPAT_FEATURE(j, JBD2_FEATURE_INCOMPAT_64BIT)) tag->t_blocknr_high = cpu_to_be32((block >> 31) >> 1); } @@ -327,7 +327,7 @@ static void jbd2_descr_block_csum_set(journal_t *j, struct jbd2_journal_block_tail *tail; __u32 csum; - if (!JBD2_HAS_INCOMPAT_FEATURE(j, JBD2_FEATURE_INCOMPAT_CSUM_V2)) + if (!jbd2_journal_has_csum_v2or3(j)) return; tail = (struct jbd2_journal_block_tail *)(bh->b_data + j->j_blocksize - @@ -340,12 +340,13 @@ static void jbd2_descr_block_csum_set(journal_t *j, static void jbd2_block_tag_csum_set(journal_t *j, journal_block_tag_t *tag, struct buffer_head *bh, __u32 sequence) { + journal_block_tag3_t *tag3 = (journal_block_tag3_t *)tag; struct page *page = bh->b_page; __u8 *addr; __u32 csum32; __be32 seq; - if (!JBD2_HAS_INCOMPAT_FEATURE(j, JBD2_FEATURE_INCOMPAT_CSUM_V2)) + if (!jbd2_journal_has_csum_v2or3(j)) return; seq = cpu_to_be32(sequence); @@ -355,8 +356,10 @@ static void jbd2_block_tag_csum_set(journal_t *j, journal_block_tag_t *tag, bh->b_size); kunmap_atomic(addr); - /* We only have space to store the lower 16 bits of the crc32c. */ - tag->t_checksum = cpu_to_be16(csum32); + if (JBD2_HAS_INCOMPAT_FEATURE(j, JBD2_FEATURE_INCOMPAT_CSUM_V3)) + tag3->t_checksum = cpu_to_be32(csum32); + else + tag->t_checksum = cpu_to_be16(csum32); } /* * jbd2_journal_commit_transaction @@ -396,7 +399,7 @@ void jbd2_journal_commit_transaction(journal_t *journal) LIST_HEAD(io_bufs); LIST_HEAD(log_bufs); - if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_CSUM_V2)) + if (jbd2_journal_has_csum_v2or3(journal)) csum_size = sizeof(struct jbd2_journal_block_tail); /* @@ -690,7 +693,7 @@ void jbd2_journal_commit_transaction(journal_t *journal) tag_flag |= JBD2_FLAG_SAME_UUID; tag = (journal_block_tag_t *) tagp; - write_tag_block(tag_bytes, tag, jh2bh(jh)->b_blocknr); + write_tag_block(journal, tag, jh2bh(jh)->b_blocknr); tag->t_flags = cpu_to_be16(tag_flag); jbd2_block_tag_csum_set(journal, tag, wbuf[bufs], commit_transaction->t_tid); diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 67b8e303946..19d74d86d99 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -124,7 +124,7 @@ EXPORT_SYMBOL(__jbd2_debug); /* Checksumming functions */ static int jbd2_verify_csum_type(journal_t *j, journal_superblock_t *sb) { - if (!JBD2_HAS_INCOMPAT_FEATURE(j, JBD2_FEATURE_INCOMPAT_CSUM_V2)) + if (!jbd2_journal_has_csum_v2or3(j)) return 1; return sb->s_checksum_type == JBD2_CRC32C_CHKSUM; @@ -145,7 +145,7 @@ static __be32 jbd2_superblock_csum(journal_t *j, journal_superblock_t *sb) static int jbd2_superblock_csum_verify(journal_t *j, journal_superblock_t *sb) { - if (!JBD2_HAS_INCOMPAT_FEATURE(j, JBD2_FEATURE_INCOMPAT_CSUM_V2)) + if (!jbd2_journal_has_csum_v2or3(j)) return 1; return sb->s_checksum == jbd2_superblock_csum(j, sb); @@ -153,7 +153,7 @@ static int jbd2_superblock_csum_verify(journal_t *j, journal_superblock_t *sb) static void jbd2_superblock_csum_set(journal_t *j, journal_superblock_t *sb) { - if (!JBD2_HAS_INCOMPAT_FEATURE(j, JBD2_FEATURE_INCOMPAT_CSUM_V2)) + if (!jbd2_journal_has_csum_v2or3(j)) return; sb->s_checksum = jbd2_superblock_csum(j, sb); @@ -1522,21 +1522,29 @@ static int journal_get_superblock(journal_t *journal) goto out; } - if (JBD2_HAS_COMPAT_FEATURE(journal, JBD2_FEATURE_COMPAT_CHECKSUM) && - JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_CSUM_V2)) { + if (jbd2_journal_has_csum_v2or3(journal) && + JBD2_HAS_COMPAT_FEATURE(journal, JBD2_FEATURE_COMPAT_CHECKSUM)) { /* Can't have checksum v1 and v2 on at the same time! */ printk(KERN_ERR "JBD2: Can't enable checksumming v1 and v2 " "at the same time!\n"); goto out; } + if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_CSUM_V2) && + JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_CSUM_V3)) { + /* Can't have checksum v2 and v3 at the same time! */ + printk(KERN_ERR "JBD2: Can't enable checksumming v2 and v3 " + "at the same time!\n"); + goto out; + } + if (!jbd2_verify_csum_type(journal, sb)) { printk(KERN_ERR "JBD2: Unknown checksum type\n"); goto out; } /* Load the checksum driver */ - if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_CSUM_V2)) { + if (jbd2_journal_has_csum_v2or3(journal)) { journal->j_chksum_driver = crypto_alloc_shash("crc32c", 0, 0); if (IS_ERR(journal->j_chksum_driver)) { printk(KERN_ERR "JBD2: Cannot load crc32c driver.\n"); @@ -1553,7 +1561,7 @@ static int journal_get_superblock(journal_t *journal) } /* Precompute checksum seed for all metadata */ - if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_CSUM_V2)) + if (jbd2_journal_has_csum_v2or3(journal)) journal->j_csum_seed = jbd2_chksum(journal, ~0, sb->s_uuid, sizeof(sb->s_uuid)); @@ -1813,8 +1821,14 @@ int jbd2_journal_set_features (journal_t *journal, unsigned long compat, if (!jbd2_journal_check_available_features(journal, compat, ro, incompat)) return 0; - /* Asking for checksumming v2 and v1? Only give them v2. */ - if (incompat & JBD2_FEATURE_INCOMPAT_CSUM_V2 && + /* If enabling v2 checksums, turn on v3 instead */ + if (incompat & JBD2_FEATURE_INCOMPAT_CSUM_V2) { + incompat &= ~JBD2_FEATURE_INCOMPAT_CSUM_V2; + incompat |= JBD2_FEATURE_INCOMPAT_CSUM_V3; + } + + /* Asking for checksumming v3 and v1? Only give them v3. */ + if (incompat & JBD2_FEATURE_INCOMPAT_CSUM_V3 && compat & JBD2_FEATURE_COMPAT_CHECKSUM) compat &= ~JBD2_FEATURE_COMPAT_CHECKSUM; @@ -1823,8 +1837,8 @@ int jbd2_journal_set_features (journal_t *journal, unsigned long compat, sb = journal->j_superblock; - /* If enabling v2 checksums, update superblock */ - if (INCOMPAT_FEATURE_ON(JBD2_FEATURE_INCOMPAT_CSUM_V2)) { + /* If enabling v3 checksums, update superblock */ + if (INCOMPAT_FEATURE_ON(JBD2_FEATURE_INCOMPAT_CSUM_V3)) { sb->s_checksum_type = JBD2_CRC32C_CHKSUM; sb->s_feature_compat &= ~cpu_to_be32(JBD2_FEATURE_COMPAT_CHECKSUM); @@ -1842,8 +1856,7 @@ int jbd2_journal_set_features (journal_t *journal, unsigned long compat, } /* Precompute checksum seed for all metadata */ - if (JBD2_HAS_INCOMPAT_FEATURE(journal, - JBD2_FEATURE_INCOMPAT_CSUM_V2)) + if (jbd2_journal_has_csum_v2or3(journal)) journal->j_csum_seed = jbd2_chksum(journal, ~0, sb->s_uuid, sizeof(sb->s_uuid)); @@ -1852,7 +1865,8 @@ int jbd2_journal_set_features (journal_t *journal, unsigned long compat, /* If enabling v1 checksums, downgrade superblock */ if (COMPAT_FEATURE_ON(JBD2_FEATURE_COMPAT_CHECKSUM)) sb->s_feature_incompat &= - ~cpu_to_be32(JBD2_FEATURE_INCOMPAT_CSUM_V2); + ~cpu_to_be32(JBD2_FEATURE_INCOMPAT_CSUM_V2 | + JBD2_FEATURE_INCOMPAT_CSUM_V3); sb->s_feature_compat |= cpu_to_be32(compat); sb->s_feature_ro_compat |= cpu_to_be32(ro); @@ -2165,16 +2179,20 @@ int jbd2_journal_blocks_per_page(struct inode *inode) */ size_t journal_tag_bytes(journal_t *journal) { - journal_block_tag_t tag; - size_t x = 0; + size_t sz; + + if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_CSUM_V3)) + return sizeof(journal_block_tag3_t); + + sz = sizeof(journal_block_tag_t); if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_CSUM_V2)) - x += sizeof(tag.t_checksum); + sz += sizeof(__u16); if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_64BIT)) - return x + JBD2_TAG_SIZE64; + return sz; else - return x + JBD2_TAG_SIZE32; + return sz - sizeof(__u32); } /* diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c index 3b6bb19d60b..9b329b55ffe 100644 --- a/fs/jbd2/recovery.c +++ b/fs/jbd2/recovery.c @@ -181,7 +181,7 @@ static int jbd2_descr_block_csum_verify(journal_t *j, __be32 provided; __u32 calculated; - if (!JBD2_HAS_INCOMPAT_FEATURE(j, JBD2_FEATURE_INCOMPAT_CSUM_V2)) + if (!jbd2_journal_has_csum_v2or3(j)) return 1; tail = (struct jbd2_journal_block_tail *)(buf + j->j_blocksize - @@ -205,7 +205,7 @@ static int count_tags(journal_t *journal, struct buffer_head *bh) int nr = 0, size = journal->j_blocksize; int tag_bytes = journal_tag_bytes(journal); - if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_CSUM_V2)) + if (jbd2_journal_has_csum_v2or3(journal)) size -= sizeof(struct jbd2_journal_block_tail); tagp = &bh->b_data[sizeof(journal_header_t)]; @@ -338,10 +338,11 @@ int jbd2_journal_skip_recovery(journal_t *journal) return err; } -static inline unsigned long long read_tag_block(int tag_bytes, journal_block_tag_t *tag) +static inline unsigned long long read_tag_block(journal_t *journal, + journal_block_tag_t *tag) { unsigned long long block = be32_to_cpu(tag->t_blocknr); - if (tag_bytes > JBD2_TAG_SIZE32) + if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_64BIT)) block |= (u64)be32_to_cpu(tag->t_blocknr_high) << 32; return block; } @@ -384,7 +385,7 @@ static int jbd2_commit_block_csum_verify(journal_t *j, void *buf) __be32 provided; __u32 calculated; - if (!JBD2_HAS_INCOMPAT_FEATURE(j, JBD2_FEATURE_INCOMPAT_CSUM_V2)) + if (!jbd2_journal_has_csum_v2or3(j)) return 1; h = buf; @@ -399,17 +400,21 @@ static int jbd2_commit_block_csum_verify(journal_t *j, void *buf) static int jbd2_block_tag_csum_verify(journal_t *j, journal_block_tag_t *tag, void *buf, __u32 sequence) { + journal_block_tag3_t *tag3 = (journal_block_tag3_t *)tag; __u32 csum32; __be32 seq; - if (!JBD2_HAS_INCOMPAT_FEATURE(j, JBD2_FEATURE_INCOMPAT_CSUM_V2)) + if (!jbd2_journal_has_csum_v2or3(j)) return 1; seq = cpu_to_be32(sequence); csum32 = jbd2_chksum(j, j->j_csum_seed, (__u8 *)&seq, sizeof(seq)); csum32 = jbd2_chksum(j, csum32, buf, j->j_blocksize); - return tag->t_checksum == cpu_to_be16(csum32); + if (JBD2_HAS_INCOMPAT_FEATURE(j, JBD2_FEATURE_INCOMPAT_CSUM_V3)) + return tag3->t_checksum == cpu_to_be32(csum32); + else + return tag->t_checksum == cpu_to_be16(csum32); } static int do_one_pass(journal_t *journal, @@ -426,6 +431,7 @@ static int do_one_pass(journal_t *journal, int tag_bytes = journal_tag_bytes(journal); __u32 crc32_sum = ~0; /* Transactional Checksums */ int descr_csum_size = 0; + int block_error = 0; /* * First thing is to establish what we expect to find in the log @@ -512,8 +518,7 @@ static int do_one_pass(journal_t *journal, switch(blocktype) { case JBD2_DESCRIPTOR_BLOCK: /* Verify checksum first */ - if (JBD2_HAS_INCOMPAT_FEATURE(journal, - JBD2_FEATURE_INCOMPAT_CSUM_V2)) + if (jbd2_journal_has_csum_v2or3(journal)) descr_csum_size = sizeof(struct jbd2_journal_block_tail); if (descr_csum_size > 0 && @@ -574,7 +579,7 @@ static int do_one_pass(journal_t *journal, unsigned long long blocknr; J_ASSERT(obh != NULL); - blocknr = read_tag_block(tag_bytes, + blocknr = read_tag_block(journal, tag); /* If the block has been @@ -598,7 +603,8 @@ static int do_one_pass(journal_t *journal, "checksum recovering " "block %llu in log\n", blocknr); - continue; + block_error = 1; + goto skip_write; } /* Find a buffer for the new @@ -797,7 +803,8 @@ static int do_one_pass(journal_t *journal, success = -EIO; } } - + if (block_error && success == 0) + success = -EIO; return success; failed: @@ -811,7 +818,7 @@ static int jbd2_revoke_block_csum_verify(journal_t *j, __be32 provided; __u32 calculated; - if (!JBD2_HAS_INCOMPAT_FEATURE(j, JBD2_FEATURE_INCOMPAT_CSUM_V2)) + if (!jbd2_journal_has_csum_v2or3(j)) return 1; tail = (struct jbd2_journal_revoke_tail *)(buf + j->j_blocksize - diff --git a/fs/jbd2/revoke.c b/fs/jbd2/revoke.c index 198c9c10276..d5e95a175c9 100644 --- a/fs/jbd2/revoke.c +++ b/fs/jbd2/revoke.c @@ -91,8 +91,8 @@ #include <linux/list.h> #include <linux/init.h> #include <linux/bio.h> -#endif #include <linux/log2.h> +#endif static struct kmem_cache *jbd2_revoke_record_cache; static struct kmem_cache *jbd2_revoke_table_cache; @@ -597,7 +597,7 @@ static void write_one_revoke_record(journal_t *journal, offset = *offsetp; /* Do we need to leave space at the end for a checksum? */ - if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_CSUM_V2)) + if (jbd2_journal_has_csum_v2or3(journal)) csum_size = sizeof(struct jbd2_journal_revoke_tail); /* Make sure we have a descriptor with space left for the record */ @@ -644,7 +644,7 @@ static void jbd2_revoke_csum_set(journal_t *j, struct buffer_head *bh) struct jbd2_journal_revoke_tail *tail; __u32 csum; - if (!JBD2_HAS_INCOMPAT_FEATURE(j, JBD2_FEATURE_INCOMPAT_CSUM_V2)) + if (!jbd2_journal_has_csum_v2or3(j)) return; tail = (struct jbd2_journal_revoke_tail *)(bh->b_data + j->j_blocksize - diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c index 8f27c93f8d2..ec9e082f9ec 100644 --- a/fs/lockd/svc.c +++ b/fs/lockd/svc.c @@ -253,13 +253,11 @@ static int lockd_up_net(struct svc_serv *serv, struct net *net) error = make_socks(serv, net); if (error < 0) - goto err_socks; + goto err_bind; set_grace_period(net); dprintk("lockd_up_net: per-net data created; net=%p\n", net); return 0; -err_socks: - svc_rpcb_cleanup(serv, net); err_bind: ln->nlmsvc_users--; return error; diff --git a/fs/locks.c b/fs/locks.c index cb66fb05ad4..bb08857f90b 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -1619,7 +1619,7 @@ static int generic_add_lease(struct file *filp, long arg, struct file_lock **flp smp_mb(); error = check_conflicting_open(dentry, arg); if (error) - locks_unlink_lock(flp); + locks_unlink_lock(before); out: if (is_deleg) mutex_unlock(&inode->i_mutex); diff --git a/fs/namei.c b/fs/namei.c index a996bb48dfa..215e44254c5 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -34,6 +34,7 @@ #include <linux/device_cgroup.h> #include <linux/fs_struct.h> #include <linux/posix_acl.h> +#include <linux/hash.h> #include <asm/uaccess.h> #include "internal.h" @@ -643,24 +644,22 @@ static int complete_walk(struct nameidata *nd) static __always_inline void set_root(struct nameidata *nd) { - if (!nd->root.mnt) - get_fs_root(current->fs, &nd->root); + get_fs_root(current->fs, &nd->root); } static int link_path_walk(const char *, struct nameidata *); -static __always_inline void set_root_rcu(struct nameidata *nd) +static __always_inline unsigned set_root_rcu(struct nameidata *nd) { - if (!nd->root.mnt) { - struct fs_struct *fs = current->fs; - unsigned seq; + struct fs_struct *fs = current->fs; + unsigned seq, res; - do { - seq = read_seqcount_begin(&fs->seq); - nd->root = fs->root; - nd->seq = __read_seqcount_begin(&nd->root.dentry->d_seq); - } while (read_seqcount_retry(&fs->seq, seq)); - } + do { + seq = read_seqcount_begin(&fs->seq); + nd->root = fs->root; + res = __read_seqcount_begin(&nd->root.dentry->d_seq); + } while (read_seqcount_retry(&fs->seq, seq)); + return res; } static void path_put_conditional(struct path *path, struct nameidata *nd) @@ -860,7 +859,8 @@ follow_link(struct path *link, struct nameidata *nd, void **p) return PTR_ERR(s); } if (*s == '/') { - set_root(nd); + if (!nd->root.mnt) + set_root(nd); path_put(&nd->path); nd->path = nd->root; path_get(&nd->root); @@ -1137,13 +1137,15 @@ static bool __follow_mount_rcu(struct nameidata *nd, struct path *path, */ *inode = path->dentry->d_inode; } - return read_seqretry(&mount_lock, nd->m_seq) && + return !read_seqretry(&mount_lock, nd->m_seq) && !(path->dentry->d_flags & DCACHE_NEED_AUTOMOUNT); } static int follow_dotdot_rcu(struct nameidata *nd) { - set_root_rcu(nd); + struct inode *inode = nd->inode; + if (!nd->root.mnt) + set_root_rcu(nd); while (1) { if (nd->path.dentry == nd->root.dentry && @@ -1155,6 +1157,7 @@ static int follow_dotdot_rcu(struct nameidata *nd) struct dentry *parent = old->d_parent; unsigned seq; + inode = parent->d_inode; seq = read_seqcount_begin(&parent->d_seq); if (read_seqcount_retry(&old->d_seq, nd->seq)) goto failed; @@ -1164,6 +1167,7 @@ static int follow_dotdot_rcu(struct nameidata *nd) } if (!follow_up_rcu(&nd->path)) break; + inode = nd->path.dentry->d_inode; nd->seq = read_seqcount_begin(&nd->path.dentry->d_seq); } while (d_mountpoint(nd->path.dentry)) { @@ -1173,11 +1177,12 @@ static int follow_dotdot_rcu(struct nameidata *nd) break; nd->path.mnt = &mounted->mnt; nd->path.dentry = mounted->mnt.mnt_root; + inode = nd->path.dentry->d_inode; nd->seq = read_seqcount_begin(&nd->path.dentry->d_seq); - if (!read_seqretry(&mount_lock, nd->m_seq)) + if (read_seqretry(&mount_lock, nd->m_seq)) goto failed; } - nd->inode = nd->path.dentry->d_inode; + nd->inode = inode; return 0; failed: @@ -1256,7 +1261,8 @@ static void follow_mount(struct path *path) static void follow_dotdot(struct nameidata *nd) { - set_root(nd); + if (!nd->root.mnt) + set_root(nd); while(1) { struct dentry *old = nd->path.dentry; @@ -1634,8 +1640,7 @@ static inline int nested_symlink(struct path *path, struct nameidata *nd) static inline unsigned int fold_hash(unsigned long hash) { - hash += hash >> (8*sizeof(int)); - return hash; + return hash_64(hash, 32); } #else /* 32-bit case */ @@ -1669,13 +1674,14 @@ EXPORT_SYMBOL(full_name_hash); /* * Calculate the length and hash of the path component, and - * return the length of the component; + * fill in the qstr. return the "len" as the result. */ -static inline unsigned long hash_name(const char *name, unsigned int *hashp) +static inline unsigned long hash_name(const char *name, struct qstr *res) { unsigned long a, b, adata, bdata, mask, hash, len; const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS; + res->name = name; hash = a = 0; len = -sizeof(unsigned long); do { @@ -1691,9 +1697,10 @@ static inline unsigned long hash_name(const char *name, unsigned int *hashp) mask = create_zero_mask(adata | bdata); hash += a & zero_bytemask(mask); - *hashp = fold_hash(hash); + len += find_zero(mask); + res->hash_len = hashlen_create(fold_hash(hash), len); - return len + find_zero(mask); + return len; } #else @@ -1711,18 +1718,19 @@ EXPORT_SYMBOL(full_name_hash); * We know there's a real path component here of at least * one character. */ -static inline unsigned long hash_name(const char *name, unsigned int *hashp) +static inline long hash_name(const char *name, struct qstr *res) { unsigned long hash = init_name_hash(); unsigned long len = 0, c; + res->name = name; c = (unsigned char)*name; do { len++; hash = partial_name_hash(c, hash); c = (unsigned char)name[len]; } while (c && c != '/'); - *hashp = end_name_hash(hash); + res->hash_len = hashlen_create(end_name_hash(hash), len); return len; } @@ -1756,9 +1764,7 @@ static int link_path_walk(const char *name, struct nameidata *nd) if (err) break; - len = hash_name(name, &this.hash); - this.name = name; - this.len = len; + len = hash_name(name, &this); type = LAST_NORM; if (name[0] == '.') switch (len) { @@ -1852,7 +1858,7 @@ static int path_init(int dfd, const char *name, unsigned int flags, if (*name=='/') { if (flags & LOOKUP_RCU) { rcu_read_lock(); - set_root_rcu(nd); + nd->seq = set_root_rcu(nd); } else { set_root(nd); path_get(&nd->root); @@ -1903,7 +1909,14 @@ static int path_init(int dfd, const char *name, unsigned int flags, } nd->inode = nd->path.dentry->d_inode; - return 0; + if (!(flags & LOOKUP_RCU)) + return 0; + if (likely(!read_seqcount_retry(&nd->path.dentry->d_seq, nd->seq))) + return 0; + if (!(nd->flags & LOOKUP_ROOT)) + nd->root.mnt = NULL; + rcu_read_unlock(); + return -ECHILD; } static inline int lookup_last(struct nameidata *nd, struct path *path) diff --git a/fs/namespace.c b/fs/namespace.c index a01c7730e9a..ef42d9bee21 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -1217,6 +1217,11 @@ static void namespace_unlock(void) head.first->pprev = &head.first; INIT_HLIST_HEAD(&unmounted); + /* undo decrements we'd done in umount_tree() */ + hlist_for_each_entry(mnt, &head, mnt_hash) + if (mnt->mnt_ex_mountpoint.mnt) + mntget(mnt->mnt_ex_mountpoint.mnt); + up_write(&namespace_sem); synchronize_rcu(); @@ -1253,6 +1258,9 @@ void umount_tree(struct mount *mnt, int how) hlist_add_head(&p->mnt_hash, &tmp_list); } + hlist_for_each_entry(p, &tmp_list, mnt_hash) + list_del_init(&p->mnt_child); + if (how) propagate_umount(&tmp_list); @@ -1263,9 +1271,9 @@ void umount_tree(struct mount *mnt, int how) p->mnt_ns = NULL; if (how < 2) p->mnt.mnt_flags |= MNT_SYNC_UMOUNT; - list_del_init(&p->mnt_child); if (mnt_has_parent(p)) { put_mountpoint(p->mnt_mp); + mnt_add_count(p->mnt_parent, -1); /* move the reference to mountpoint into ->mnt_ex_mountpoint */ p->mnt_ex_mountpoint.dentry = p->mnt_mountpoint; p->mnt_ex_mountpoint.mnt = &p->mnt_parent->mnt; diff --git a/fs/nfs/client.c b/fs/nfs/client.c index 1c5ff6d5838..6a4f3666e27 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -1412,24 +1412,18 @@ int nfs_fs_proc_net_init(struct net *net) p = proc_create("volumes", S_IFREG|S_IRUGO, nn->proc_nfsfs, &nfs_volume_list_fops); if (!p) - goto error_2; + goto error_1; return 0; -error_2: - remove_proc_entry("servers", nn->proc_nfsfs); error_1: - remove_proc_entry("fs/nfsfs", NULL); + remove_proc_subtree("nfsfs", net->proc_net); error_0: return -ENOMEM; } void nfs_fs_proc_net_exit(struct net *net) { - struct nfs_net *nn = net_generic(net, nfs_net_id); - - remove_proc_entry("volumes", nn->proc_nfsfs); - remove_proc_entry("servers", nn->proc_nfsfs); - remove_proc_entry("fs/nfsfs", NULL); + remove_proc_subtree("nfsfs", net->proc_net); } /* diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c index 1359c4a2739..90978075f73 100644 --- a/fs/nfs/filelayout/filelayout.c +++ b/fs/nfs/filelayout/filelayout.c @@ -1269,11 +1269,12 @@ filelayout_search_commit_reqs(struct nfs_commit_info *cinfo, struct page *page) static void filelayout_retry_commit(struct nfs_commit_info *cinfo, int idx) { struct pnfs_ds_commit_info *fl_cinfo = cinfo->ds; - struct pnfs_commit_bucket *bucket = fl_cinfo->buckets; + struct pnfs_commit_bucket *bucket; struct pnfs_layout_segment *freeme; int i; - for (i = idx; i < fl_cinfo->nbuckets; i++, bucket++) { + for (i = idx; i < fl_cinfo->nbuckets; i++) { + bucket = &fl_cinfo->buckets[i]; if (list_empty(&bucket->committing)) continue; nfs_retry_commit(&bucket->committing, bucket->clseg, cinfo); diff --git a/fs/nfs/nfs3acl.c b/fs/nfs/nfs3acl.c index d0fec260132..24c6898159c 100644 --- a/fs/nfs/nfs3acl.c +++ b/fs/nfs/nfs3acl.c @@ -129,7 +129,10 @@ static int __nfs3_proc_setacls(struct inode *inode, struct posix_acl *acl, .rpc_argp = &args, .rpc_resp = &fattr, }; - int status; + int status = 0; + + if (acl == NULL && (!S_ISDIR(inode->i_mode) || dfacl == NULL)) + goto out; status = -EOPNOTSUPP; if (!nfs_server_capable(inode, NFS_CAP_ACLS)) diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index 92193eddb41..a8b855ab4e2 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -130,16 +130,15 @@ enum { */ struct nfs4_lock_state { - struct list_head ls_locks; /* Other lock stateids */ - struct nfs4_state * ls_state; /* Pointer to open state */ + struct list_head ls_locks; /* Other lock stateids */ + struct nfs4_state * ls_state; /* Pointer to open state */ #define NFS_LOCK_INITIALIZED 0 #define NFS_LOCK_LOST 1 - unsigned long ls_flags; + unsigned long ls_flags; struct nfs_seqid_counter ls_seqid; - nfs4_stateid ls_stateid; - atomic_t ls_count; - fl_owner_t ls_owner; - struct work_struct ls_release; + nfs4_stateid ls_stateid; + atomic_t ls_count; + fl_owner_t ls_owner; }; /* bits for nfs4_state->flags */ diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 75ae8d22f06..7dd8aca31c2 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -2560,6 +2560,7 @@ static void nfs4_close_done(struct rpc_task *task, void *data) struct nfs4_closedata *calldata = data; struct nfs4_state *state = calldata->state; struct nfs_server *server = NFS_SERVER(calldata->inode); + nfs4_stateid *res_stateid = NULL; dprintk("%s: begin!\n", __func__); if (!nfs4_sequence_done(task, &calldata->res.seq_res)) @@ -2570,12 +2571,12 @@ static void nfs4_close_done(struct rpc_task *task, void *data) */ switch (task->tk_status) { case 0: - if (calldata->roc) + res_stateid = &calldata->res.stateid; + if (calldata->arg.fmode == 0 && calldata->roc) pnfs_roc_set_barrier(state->inode, calldata->roc_barrier); - nfs_clear_open_stateid(state, &calldata->res.stateid, 0); renew_lease(server, calldata->timestamp); - goto out_release; + break; case -NFS4ERR_ADMIN_REVOKED: case -NFS4ERR_STALE_STATEID: case -NFS4ERR_OLD_STATEID: @@ -2589,7 +2590,7 @@ static void nfs4_close_done(struct rpc_task *task, void *data) goto out_release; } } - nfs_clear_open_stateid(state, NULL, calldata->arg.fmode); + nfs_clear_open_stateid(state, res_stateid, calldata->arg.fmode); out_release: nfs_release_seqid(calldata->arg.seqid); nfs_refresh_inode(calldata->inode, calldata->res.fattr); @@ -2601,6 +2602,7 @@ static void nfs4_close_prepare(struct rpc_task *task, void *data) struct nfs4_closedata *calldata = data; struct nfs4_state *state = calldata->state; struct inode *inode = calldata->inode; + bool is_rdonly, is_wronly, is_rdwr; int call_close = 0; dprintk("%s: begin!\n", __func__); @@ -2608,18 +2610,24 @@ static void nfs4_close_prepare(struct rpc_task *task, void *data) goto out_wait; task->tk_msg.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_OPEN_DOWNGRADE]; - calldata->arg.fmode = FMODE_READ|FMODE_WRITE; spin_lock(&state->owner->so_lock); + is_rdwr = test_bit(NFS_O_RDWR_STATE, &state->flags); + is_rdonly = test_bit(NFS_O_RDONLY_STATE, &state->flags); + is_wronly = test_bit(NFS_O_WRONLY_STATE, &state->flags); + /* Calculate the current open share mode */ + calldata->arg.fmode = 0; + if (is_rdonly || is_rdwr) + calldata->arg.fmode |= FMODE_READ; + if (is_wronly || is_rdwr) + calldata->arg.fmode |= FMODE_WRITE; /* Calculate the change in open mode */ if (state->n_rdwr == 0) { if (state->n_rdonly == 0) { - call_close |= test_bit(NFS_O_RDONLY_STATE, &state->flags); - call_close |= test_bit(NFS_O_RDWR_STATE, &state->flags); + call_close |= is_rdonly || is_rdwr; calldata->arg.fmode &= ~FMODE_READ; } if (state->n_wronly == 0) { - call_close |= test_bit(NFS_O_WRONLY_STATE, &state->flags); - call_close |= test_bit(NFS_O_RDWR_STATE, &state->flags); + call_close |= is_wronly || is_rdwr; calldata->arg.fmode &= ~FMODE_WRITE; } } diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index a043f618cd5..22fe35104c0 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -799,18 +799,6 @@ __nfs4_find_lock_state(struct nfs4_state *state, fl_owner_t fl_owner) return NULL; } -static void -free_lock_state_work(struct work_struct *work) -{ - struct nfs4_lock_state *lsp = container_of(work, - struct nfs4_lock_state, ls_release); - struct nfs4_state *state = lsp->ls_state; - struct nfs_server *server = state->owner->so_server; - struct nfs_client *clp = server->nfs_client; - - clp->cl_mvops->free_lock_state(server, lsp); -} - /* * Return a compatible lock_state. If no initialized lock_state structure * exists, return an uninitialized one. @@ -832,7 +820,6 @@ static struct nfs4_lock_state *nfs4_alloc_lock_state(struct nfs4_state *state, f if (lsp->ls_seqid.owner_id < 0) goto out_free; INIT_LIST_HEAD(&lsp->ls_locks); - INIT_WORK(&lsp->ls_release, free_lock_state_work); return lsp; out_free: kfree(lsp); @@ -896,12 +883,13 @@ void nfs4_put_lock_state(struct nfs4_lock_state *lsp) if (list_empty(&state->lock_states)) clear_bit(LK_STATE_IN_USE, &state->flags); spin_unlock(&state->state_lock); - if (test_bit(NFS_LOCK_INITIALIZED, &lsp->ls_flags)) - queue_work(nfsiod_workqueue, &lsp->ls_release); - else { - server = state->owner->so_server; + server = state->owner->so_server; + if (test_bit(NFS_LOCK_INITIALIZED, &lsp->ls_flags)) { + struct nfs_client *clp = server->nfs_client; + + clp->cl_mvops->free_lock_state(server, lsp); + } else nfs4_free_lock_state(server, lsp); - } } static void nfs4_fl_copy_lock(struct file_lock *dst, struct file_lock *src) diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index f9821ce6658..e94457c33ad 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -2657,6 +2657,7 @@ nfsd4_encode_dirent(void *ccdv, const char *name, int namlen, struct xdr_stream *xdr = cd->xdr; int start_offset = xdr->buf->len; int cookie_offset; + u32 name_and_cookie; int entry_bytes; __be32 nfserr = nfserr_toosmall; __be64 wire_offset; @@ -2718,7 +2719,14 @@ nfsd4_encode_dirent(void *ccdv, const char *name, int namlen, cd->rd_maxcount -= entry_bytes; if (!cd->rd_dircount) goto fail; - cd->rd_dircount--; + /* + * RFC 3530 14.2.24 describes rd_dircount as only a "hint", so + * let's always let through the first entry, at least: + */ + name_and_cookie = 4 * XDR_QUADLEN(namlen) + 8; + if (name_and_cookie > cd->rd_dircount && cd->cookie_offset) + goto fail; + cd->rd_dircount -= min(cd->rd_dircount, name_and_cookie); cd->cookie_offset = cookie_offset; skip_entry: cd->common.err = nfs_ok; @@ -3321,6 +3329,10 @@ nfsd4_encode_readdir(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4 } maxcount = min_t(int, maxcount-16, bytes_left); + /* RFC 3530 14.2.24 allows us to ignore dircount when it's 0: */ + if (!readdir->rd_dircount) + readdir->rd_dircount = INT_MAX; + readdir->xdr = xdr; readdir->rd_maxcount = maxcount; readdir->common.err = 0; diff --git a/fs/notify/fdinfo.c b/fs/notify/fdinfo.c index 238a5930cb3..9d7e2b9659c 100644 --- a/fs/notify/fdinfo.c +++ b/fs/notify/fdinfo.c @@ -42,7 +42,7 @@ static int show_mark_fhandle(struct seq_file *m, struct inode *inode) { struct { struct file_handle handle; - u8 pad[64]; + u8 pad[MAX_HANDLE_SZ]; } f; int size, ret, i; @@ -50,7 +50,7 @@ static int show_mark_fhandle(struct seq_file *m, struct inode *inode) size = f.handle.handle_bytes >> 2; ret = exportfs_encode_inode_fh(inode, (struct fid *)f.handle.f_handle, &size, 0); - if ((ret == 255) || (ret == -ENOSPC)) { + if ((ret == FILEID_INVALID) || (ret < 0)) { WARN_ONCE(1, "Can't encode file handler for inotify: %d\n", ret); return 0; } diff --git a/fs/ocfs2/cluster/quorum.c b/fs/ocfs2/cluster/quorum.c index 1ec141e758d..62e8ec619b4 100644 --- a/fs/ocfs2/cluster/quorum.c +++ b/fs/ocfs2/cluster/quorum.c @@ -160,9 +160,18 @@ static void o2quo_make_decision(struct work_struct *work) } out: - spin_unlock(&qs->qs_lock); - if (fence) + if (fence) { + spin_unlock(&qs->qs_lock); o2quo_fence_self(); + } else { + mlog(ML_NOTICE, "not fencing this node, heartbeating: %d, " + "connected: %d, lowest: %d (%sreachable)\n", + qs->qs_heartbeating, qs->qs_connected, lowest_hb, + lowest_reachable ? "" : "un"); + spin_unlock(&qs->qs_lock); + + } + } static void o2quo_set_hold(struct o2quo_state *qs, u8 node) diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c index 681691bc233..ea34952f949 100644 --- a/fs/ocfs2/cluster/tcp.c +++ b/fs/ocfs2/cluster/tcp.c @@ -1480,6 +1480,14 @@ static int o2net_set_nodelay(struct socket *sock) return ret; } +static int o2net_set_usertimeout(struct socket *sock) +{ + int user_timeout = O2NET_TCP_USER_TIMEOUT; + + return kernel_setsockopt(sock, SOL_TCP, TCP_USER_TIMEOUT, + (char *)&user_timeout, sizeof(user_timeout)); +} + static void o2net_initialize_handshake(void) { o2net_hand->o2hb_heartbeat_timeout_ms = cpu_to_be32( @@ -1536,16 +1544,20 @@ static void o2net_idle_timer(unsigned long data) #endif printk(KERN_NOTICE "o2net: Connection to " SC_NODEF_FMT " has been " - "idle for %lu.%lu secs, shutting it down.\n", SC_NODEF_ARGS(sc), - msecs / 1000, msecs % 1000); + "idle for %lu.%lu secs.\n", + SC_NODEF_ARGS(sc), msecs / 1000, msecs % 1000); - /* - * Initialize the nn_timeout so that the next connection attempt - * will continue in o2net_start_connect. + /* idle timerout happen, don't shutdown the connection, but + * make fence decision. Maybe the connection can recover before + * the decision is made. */ atomic_set(&nn->nn_timeout, 1); + o2quo_conn_err(o2net_num_from_nn(nn)); + queue_delayed_work(o2net_wq, &nn->nn_still_up, + msecs_to_jiffies(O2NET_QUORUM_DELAY_MS)); + + o2net_sc_reset_idle_timer(sc); - o2net_sc_queue_work(sc, &sc->sc_shutdown_work); } static void o2net_sc_reset_idle_timer(struct o2net_sock_container *sc) @@ -1560,6 +1572,15 @@ static void o2net_sc_reset_idle_timer(struct o2net_sock_container *sc) static void o2net_sc_postpone_idle(struct o2net_sock_container *sc) { + struct o2net_node *nn = o2net_nn_from_num(sc->sc_node->nd_num); + + /* clear fence decision since the connection recover from timeout*/ + if (atomic_read(&nn->nn_timeout)) { + o2quo_conn_up(o2net_num_from_nn(nn)); + cancel_delayed_work(&nn->nn_still_up); + atomic_set(&nn->nn_timeout, 0); + } + /* Only push out an existing timer */ if (timer_pending(&sc->sc_idle_timeout)) o2net_sc_reset_idle_timer(sc); @@ -1650,6 +1671,12 @@ static void o2net_start_connect(struct work_struct *work) goto out; } + ret = o2net_set_usertimeout(sock); + if (ret) { + mlog(ML_ERROR, "set TCP_USER_TIMEOUT failed with %d\n", ret); + goto out; + } + o2net_register_callbacks(sc->sc_sock->sk, sc); spin_lock(&nn->nn_lock); @@ -1831,6 +1858,12 @@ static int o2net_accept_one(struct socket *sock, int *more) goto out; } + ret = o2net_set_usertimeout(new_sock); + if (ret) { + mlog(ML_ERROR, "set TCP_USER_TIMEOUT failed with %d\n", ret); + goto out; + } + slen = sizeof(sin); ret = new_sock->ops->getname(new_sock, (struct sockaddr *) &sin, &slen, 1); diff --git a/fs/ocfs2/cluster/tcp.h b/fs/ocfs2/cluster/tcp.h index 5bada2a69b5..c571e849fda 100644 --- a/fs/ocfs2/cluster/tcp.h +++ b/fs/ocfs2/cluster/tcp.h @@ -63,6 +63,7 @@ typedef void (o2net_post_msg_handler_func)(int status, void *data, #define O2NET_KEEPALIVE_DELAY_MS_DEFAULT 2000 #define O2NET_IDLE_TIMEOUT_MS_DEFAULT 30000 +#define O2NET_TCP_USER_TIMEOUT 0x7fffffff /* TODO: figure this out.... */ static inline int o2net_link_down(int err, struct socket *sock) diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c index 6f66b3751ac..53e6c40ed4c 100644 --- a/fs/ocfs2/ioctl.c +++ b/fs/ocfs2/ioctl.c @@ -35,9 +35,8 @@ copy_to_user((typeof(a) __user *)b, &(a), sizeof(a)) /* - * This call is void because we are already reporting an error that may - * be -EFAULT. The error will be returned from the ioctl(2) call. It's - * just a best-effort to tell userspace that this request caused the error. + * This is just a best-effort to tell userspace that this request + * caused the error. */ static inline void o2info_set_request_error(struct ocfs2_info_request *kreq, struct ocfs2_info_request __user *req) @@ -146,136 +145,105 @@ bail: static int ocfs2_info_handle_blocksize(struct inode *inode, struct ocfs2_info_request __user *req) { - int status = -EFAULT; struct ocfs2_info_blocksize oib; if (o2info_from_user(oib, req)) - goto bail; + return -EFAULT; oib.ib_blocksize = inode->i_sb->s_blocksize; o2info_set_request_filled(&oib.ib_req); if (o2info_to_user(oib, req)) - goto bail; - - status = 0; -bail: - if (status) - o2info_set_request_error(&oib.ib_req, req); + return -EFAULT; - return status; + return 0; } static int ocfs2_info_handle_clustersize(struct inode *inode, struct ocfs2_info_request __user *req) { - int status = -EFAULT; struct ocfs2_info_clustersize oic; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); if (o2info_from_user(oic, req)) - goto bail; + return -EFAULT; oic.ic_clustersize = osb->s_clustersize; o2info_set_request_filled(&oic.ic_req); if (o2info_to_user(oic, req)) - goto bail; - - status = 0; -bail: - if (status) - o2info_set_request_error(&oic.ic_req, req); + return -EFAULT; - return status; + return 0; } static int ocfs2_info_handle_maxslots(struct inode *inode, struct ocfs2_info_request __user *req) { - int status = -EFAULT; struct ocfs2_info_maxslots oim; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); if (o2info_from_user(oim, req)) - goto bail; + return -EFAULT; oim.im_max_slots = osb->max_slots; o2info_set_request_filled(&oim.im_req); if (o2info_to_user(oim, req)) - goto bail; + return -EFAULT; - status = 0; -bail: - if (status) - o2info_set_request_error(&oim.im_req, req); - - return status; + return 0; } static int ocfs2_info_handle_label(struct inode *inode, struct ocfs2_info_request __user *req) { - int status = -EFAULT; struct ocfs2_info_label oil; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); if (o2info_from_user(oil, req)) - goto bail; + return -EFAULT; memcpy(oil.il_label, osb->vol_label, OCFS2_MAX_VOL_LABEL_LEN); o2info_set_request_filled(&oil.il_req); if (o2info_to_user(oil, req)) - goto bail; + return -EFAULT; - status = 0; -bail: - if (status) - o2info_set_request_error(&oil.il_req, req); - - return status; + return 0; } static int ocfs2_info_handle_uuid(struct inode *inode, struct ocfs2_info_request __user *req) { - int status = -EFAULT; struct ocfs2_info_uuid oiu; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); if (o2info_from_user(oiu, req)) - goto bail; + return -EFAULT; memcpy(oiu.iu_uuid_str, osb->uuid_str, OCFS2_TEXT_UUID_LEN + 1); o2info_set_request_filled(&oiu.iu_req); if (o2info_to_user(oiu, req)) - goto bail; - - status = 0; -bail: - if (status) - o2info_set_request_error(&oiu.iu_req, req); + return -EFAULT; - return status; + return 0; } static int ocfs2_info_handle_fs_features(struct inode *inode, struct ocfs2_info_request __user *req) { - int status = -EFAULT; struct ocfs2_info_fs_features oif; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); if (o2info_from_user(oif, req)) - goto bail; + return -EFAULT; oif.if_compat_features = osb->s_feature_compat; oif.if_incompat_features = osb->s_feature_incompat; @@ -284,39 +252,28 @@ static int ocfs2_info_handle_fs_features(struct inode *inode, o2info_set_request_filled(&oif.if_req); if (o2info_to_user(oif, req)) - goto bail; + return -EFAULT; - status = 0; -bail: - if (status) - o2info_set_request_error(&oif.if_req, req); - - return status; + return 0; } static int ocfs2_info_handle_journal_size(struct inode *inode, struct ocfs2_info_request __user *req) { - int status = -EFAULT; struct ocfs2_info_journal_size oij; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); if (o2info_from_user(oij, req)) - goto bail; + return -EFAULT; oij.ij_journal_size = i_size_read(osb->journal->j_inode); o2info_set_request_filled(&oij.ij_req); if (o2info_to_user(oij, req)) - goto bail; + return -EFAULT; - status = 0; -bail: - if (status) - o2info_set_request_error(&oij.ij_req, req); - - return status; + return 0; } static int ocfs2_info_scan_inode_alloc(struct ocfs2_super *osb, @@ -373,7 +330,7 @@ static int ocfs2_info_handle_freeinode(struct inode *inode, u32 i; u64 blkno = -1; char namebuf[40]; - int status = -EFAULT, type = INODE_ALLOC_SYSTEM_INODE; + int status, type = INODE_ALLOC_SYSTEM_INODE; struct ocfs2_info_freeinode *oifi = NULL; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct inode *inode_alloc = NULL; @@ -385,8 +342,10 @@ static int ocfs2_info_handle_freeinode(struct inode *inode, goto out_err; } - if (o2info_from_user(*oifi, req)) - goto bail; + if (o2info_from_user(*oifi, req)) { + status = -EFAULT; + goto out_free; + } oifi->ifi_slotnum = osb->max_slots; @@ -424,14 +383,16 @@ static int ocfs2_info_handle_freeinode(struct inode *inode, o2info_set_request_filled(&oifi->ifi_req); - if (o2info_to_user(*oifi, req)) - goto bail; + if (o2info_to_user(*oifi, req)) { + status = -EFAULT; + goto out_free; + } status = 0; bail: if (status) o2info_set_request_error(&oifi->ifi_req, req); - +out_free: kfree(oifi); out_err: return status; @@ -658,7 +619,7 @@ static int ocfs2_info_handle_freefrag(struct inode *inode, { u64 blkno = -1; char namebuf[40]; - int status = -EFAULT, type = GLOBAL_BITMAP_SYSTEM_INODE; + int status, type = GLOBAL_BITMAP_SYSTEM_INODE; struct ocfs2_info_freefrag *oiff; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); @@ -671,8 +632,10 @@ static int ocfs2_info_handle_freefrag(struct inode *inode, goto out_err; } - if (o2info_from_user(*oiff, req)) - goto bail; + if (o2info_from_user(*oiff, req)) { + status = -EFAULT; + goto out_free; + } /* * chunksize from userspace should be power of 2. */ @@ -711,14 +674,14 @@ static int ocfs2_info_handle_freefrag(struct inode *inode, if (o2info_to_user(*oiff, req)) { status = -EFAULT; - goto bail; + goto out_free; } status = 0; bail: if (status) o2info_set_request_error(&oiff->iff_req, req); - +out_free: kfree(oiff); out_err: return status; @@ -727,23 +690,17 @@ out_err: static int ocfs2_info_handle_unknown(struct inode *inode, struct ocfs2_info_request __user *req) { - int status = -EFAULT; struct ocfs2_info_request oir; if (o2info_from_user(oir, req)) - goto bail; + return -EFAULT; o2info_clear_request_filled(&oir); if (o2info_to_user(oir, req)) - goto bail; + return -EFAULT; - status = 0; -bail: - if (status) - o2info_set_request_error(&oir, req); - - return status; + return 0; } /* diff --git a/fs/pnode.c b/fs/pnode.c index 302bf22c4a3..aae331a5d03 100644 --- a/fs/pnode.c +++ b/fs/pnode.c @@ -381,6 +381,7 @@ static void __propagate_umount(struct mount *mnt) * other children */ if (child && list_empty(&child->mnt_mounts)) { + list_del_init(&child->mnt_child); hlist_del_init_rcu(&child->mnt_hash); hlist_add_before_rcu(&child->mnt_hash, &mnt->mnt_hash); } diff --git a/fs/sync.c b/fs/sync.c index b28d1dd10e8..bdc729d80e5 100644 --- a/fs/sync.c +++ b/fs/sync.c @@ -65,7 +65,7 @@ int sync_filesystem(struct super_block *sb) return ret; return __sync_filesystem(sb, 1); } -EXPORT_SYMBOL_GPL(sync_filesystem); +EXPORT_SYMBOL(sync_filesystem); static void sync_inodes_one_sb(struct super_block *sb, void *arg) { diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c index 6eaf5edf1ea..e77db621ec8 100644 --- a/fs/udf/ialloc.c +++ b/fs/udf/ialloc.c @@ -45,7 +45,7 @@ void udf_free_inode(struct inode *inode) udf_free_blocks(sb, NULL, &UDF_I(inode)->i_location, 0, 1); } -struct inode *udf_new_inode(struct inode *dir, umode_t mode, int *err) +struct inode *udf_new_inode(struct inode *dir, umode_t mode) { struct super_block *sb = dir->i_sb; struct udf_sb_info *sbi = UDF_SB(sb); @@ -55,14 +55,12 @@ struct inode *udf_new_inode(struct inode *dir, umode_t mode, int *err) struct udf_inode_info *iinfo; struct udf_inode_info *dinfo = UDF_I(dir); struct logicalVolIntegrityDescImpUse *lvidiu; + int err; inode = new_inode(sb); - if (!inode) { - *err = -ENOMEM; - return NULL; - } - *err = -ENOSPC; + if (!inode) + return ERR_PTR(-ENOMEM); iinfo = UDF_I(inode); if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_EXTENDED_FE)) { @@ -80,21 +78,22 @@ struct inode *udf_new_inode(struct inode *dir, umode_t mode, int *err) } if (!iinfo->i_ext.i_data) { iput(inode); - *err = -ENOMEM; - return NULL; + return ERR_PTR(-ENOMEM); } + err = -ENOSPC; block = udf_new_block(dir->i_sb, NULL, dinfo->i_location.partitionReferenceNum, - start, err); - if (*err) { + start, &err); + if (err) { iput(inode); - return NULL; + return ERR_PTR(err); } lvidiu = udf_sb_lvidiu(sb); if (lvidiu) { iinfo->i_unique = lvid_get_unique_id(sb); + inode->i_generation = iinfo->i_unique; mutex_lock(&sbi->s_alloc_mutex); if (S_ISDIR(mode)) le32_add_cpu(&lvidiu->numDirs, 1); @@ -123,9 +122,12 @@ struct inode *udf_new_inode(struct inode *dir, umode_t mode, int *err) iinfo->i_alloc_type = ICBTAG_FLAG_AD_LONG; inode->i_mtime = inode->i_atime = inode->i_ctime = iinfo->i_crtime = current_fs_time(inode->i_sb); - insert_inode_hash(inode); + if (unlikely(insert_inode_locked(inode) < 0)) { + make_bad_inode(inode); + iput(inode); + return ERR_PTR(-EIO); + } mark_inode_dirty(inode); - *err = 0; return inode; } diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 236cd48184c..08598843288 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -51,7 +51,6 @@ MODULE_LICENSE("GPL"); static umode_t udf_convert_permissions(struct fileEntry *); static int udf_update_inode(struct inode *, int); -static void udf_fill_inode(struct inode *, struct buffer_head *); static int udf_sync_inode(struct inode *inode); static int udf_alloc_i_data(struct inode *inode, size_t size); static sector_t inode_getblk(struct inode *, sector_t, int *, int *); @@ -1271,12 +1270,33 @@ update_time: return 0; } -static void __udf_read_inode(struct inode *inode) +/* + * Maximum length of linked list formed by ICB hierarchy. The chosen number is + * arbitrary - just that we hopefully don't limit any real use of rewritten + * inode on write-once media but avoid looping for too long on corrupted media. + */ +#define UDF_MAX_ICB_NESTING 1024 + +static int udf_read_inode(struct inode *inode) { struct buffer_head *bh = NULL; struct fileEntry *fe; + struct extendedFileEntry *efe; uint16_t ident; struct udf_inode_info *iinfo = UDF_I(inode); + struct udf_sb_info *sbi = UDF_SB(inode->i_sb); + struct kernel_lb_addr *iloc = &iinfo->i_location; + unsigned int link_count; + unsigned int indirections = 0; + int ret = -EIO; + +reread: + if (iloc->logicalBlockNum >= + sbi->s_partmaps[iloc->partitionReferenceNum].s_partition_len) { + udf_debug("block=%d, partition=%d out of range\n", + iloc->logicalBlockNum, iloc->partitionReferenceNum); + return -EIO; + } /* * Set defaults, but the inode is still incomplete! @@ -1290,78 +1310,54 @@ static void __udf_read_inode(struct inode *inode) * i_nlink = 1 * i_op = NULL; */ - bh = udf_read_ptagged(inode->i_sb, &iinfo->i_location, 0, &ident); + bh = udf_read_ptagged(inode->i_sb, iloc, 0, &ident); if (!bh) { udf_err(inode->i_sb, "(ino %ld) failed !bh\n", inode->i_ino); - make_bad_inode(inode); - return; + return -EIO; } if (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE && ident != TAG_IDENT_USE) { udf_err(inode->i_sb, "(ino %ld) failed ident=%d\n", inode->i_ino, ident); - brelse(bh); - make_bad_inode(inode); - return; + goto out; } fe = (struct fileEntry *)bh->b_data; + efe = (struct extendedFileEntry *)bh->b_data; if (fe->icbTag.strategyType == cpu_to_le16(4096)) { struct buffer_head *ibh; - ibh = udf_read_ptagged(inode->i_sb, &iinfo->i_location, 1, - &ident); + ibh = udf_read_ptagged(inode->i_sb, iloc, 1, &ident); if (ident == TAG_IDENT_IE && ibh) { - struct buffer_head *nbh = NULL; struct kernel_lb_addr loc; struct indirectEntry *ie; ie = (struct indirectEntry *)ibh->b_data; loc = lelb_to_cpu(ie->indirectICB.extLocation); - if (ie->indirectICB.extLength && - (nbh = udf_read_ptagged(inode->i_sb, &loc, 0, - &ident))) { - if (ident == TAG_IDENT_FE || - ident == TAG_IDENT_EFE) { - memcpy(&iinfo->i_location, - &loc, - sizeof(struct kernel_lb_addr)); - brelse(bh); - brelse(ibh); - brelse(nbh); - __udf_read_inode(inode); - return; + if (ie->indirectICB.extLength) { + brelse(ibh); + memcpy(&iinfo->i_location, &loc, + sizeof(struct kernel_lb_addr)); + if (++indirections > UDF_MAX_ICB_NESTING) { + udf_err(inode->i_sb, + "too many ICBs in ICB hierarchy" + " (max %d supported)\n", + UDF_MAX_ICB_NESTING); + goto out; } - brelse(nbh); + brelse(bh); + goto reread; } } brelse(ibh); } else if (fe->icbTag.strategyType != cpu_to_le16(4)) { udf_err(inode->i_sb, "unsupported strategy type: %d\n", le16_to_cpu(fe->icbTag.strategyType)); - brelse(bh); - make_bad_inode(inode); - return; + goto out; } - udf_fill_inode(inode, bh); - - brelse(bh); -} - -static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) -{ - struct fileEntry *fe; - struct extendedFileEntry *efe; - struct udf_sb_info *sbi = UDF_SB(inode->i_sb); - struct udf_inode_info *iinfo = UDF_I(inode); - unsigned int link_count; - - fe = (struct fileEntry *)bh->b_data; - efe = (struct extendedFileEntry *)bh->b_data; - if (fe->icbTag.strategyType == cpu_to_le16(4)) iinfo->i_strat4096 = 0; else /* if (fe->icbTag.strategyType == cpu_to_le16(4096)) */ @@ -1378,11 +1374,10 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) if (fe->descTag.tagIdent == cpu_to_le16(TAG_IDENT_EFE)) { iinfo->i_efe = 1; iinfo->i_use = 0; - if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize - - sizeof(struct extendedFileEntry))) { - make_bad_inode(inode); - return; - } + ret = udf_alloc_i_data(inode, inode->i_sb->s_blocksize - + sizeof(struct extendedFileEntry)); + if (ret) + goto out; memcpy(iinfo->i_ext.i_data, bh->b_data + sizeof(struct extendedFileEntry), inode->i_sb->s_blocksize - @@ -1390,11 +1385,10 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) } else if (fe->descTag.tagIdent == cpu_to_le16(TAG_IDENT_FE)) { iinfo->i_efe = 0; iinfo->i_use = 0; - if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize - - sizeof(struct fileEntry))) { - make_bad_inode(inode); - return; - } + ret = udf_alloc_i_data(inode, inode->i_sb->s_blocksize - + sizeof(struct fileEntry)); + if (ret) + goto out; memcpy(iinfo->i_ext.i_data, bh->b_data + sizeof(struct fileEntry), inode->i_sb->s_blocksize - sizeof(struct fileEntry)); @@ -1404,18 +1398,18 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) iinfo->i_lenAlloc = le32_to_cpu( ((struct unallocSpaceEntry *)bh->b_data)-> lengthAllocDescs); - if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize - - sizeof(struct unallocSpaceEntry))) { - make_bad_inode(inode); - return; - } + ret = udf_alloc_i_data(inode, inode->i_sb->s_blocksize - + sizeof(struct unallocSpaceEntry)); + if (ret) + goto out; memcpy(iinfo->i_ext.i_data, bh->b_data + sizeof(struct unallocSpaceEntry), inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry)); - return; + return 0; } + ret = -EIO; read_lock(&sbi->s_cred_lock); i_uid_write(inode, le32_to_cpu(fe->uid)); if (!uid_valid(inode->i_uid) || @@ -1441,8 +1435,10 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) read_unlock(&sbi->s_cred_lock); link_count = le16_to_cpu(fe->fileLinkCount); - if (!link_count) - link_count = 1; + if (!link_count) { + ret = -ESTALE; + goto out; + } set_nlink(inode, link_count); inode->i_size = le64_to_cpu(fe->informationLength); @@ -1488,6 +1484,7 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) iinfo->i_lenAlloc = le32_to_cpu(efe->lengthAllocDescs); iinfo->i_checkpoint = le32_to_cpu(efe->checkpoint); } + inode->i_generation = iinfo->i_unique; switch (fe->icbTag.fileType) { case ICBTAG_FILE_TYPE_DIRECTORY: @@ -1537,8 +1534,7 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) default: udf_err(inode->i_sb, "(ino %ld) failed unknown file type=%d\n", inode->i_ino, fe->icbTag.fileType); - make_bad_inode(inode); - return; + goto out; } if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) { struct deviceSpec *dsea = @@ -1549,8 +1545,12 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) le32_to_cpu(dsea->minorDeviceIdent))); /* Developer ID ??? */ } else - make_bad_inode(inode); + goto out; } + ret = 0; +out: + brelse(bh); + return ret; } static int udf_alloc_i_data(struct inode *inode, size_t size) @@ -1664,7 +1664,7 @@ static int udf_update_inode(struct inode *inode, int do_sync) FE_PERM_U_DELETE | FE_PERM_U_CHATTR)); fe->permissions = cpu_to_le32(udfperms); - if (S_ISDIR(inode->i_mode)) + if (S_ISDIR(inode->i_mode) && inode->i_nlink > 0) fe->fileLinkCount = cpu_to_le16(inode->i_nlink - 1); else fe->fileLinkCount = cpu_to_le16(inode->i_nlink); @@ -1830,32 +1830,23 @@ struct inode *udf_iget(struct super_block *sb, struct kernel_lb_addr *ino) { unsigned long block = udf_get_lb_pblock(sb, ino, 0); struct inode *inode = iget_locked(sb, block); + int err; if (!inode) - return NULL; - - if (inode->i_state & I_NEW) { - memcpy(&UDF_I(inode)->i_location, ino, sizeof(struct kernel_lb_addr)); - __udf_read_inode(inode); - unlock_new_inode(inode); - } + return ERR_PTR(-ENOMEM); - if (is_bad_inode(inode)) - goto out_iput; + if (!(inode->i_state & I_NEW)) + return inode; - if (ino->logicalBlockNum >= UDF_SB(sb)-> - s_partmaps[ino->partitionReferenceNum].s_partition_len) { - udf_debug("block=%d, partition=%d out of range\n", - ino->logicalBlockNum, ino->partitionReferenceNum); - make_bad_inode(inode); - goto out_iput; + memcpy(&UDF_I(inode)->i_location, ino, sizeof(struct kernel_lb_addr)); + err = udf_read_inode(inode); + if (err < 0) { + iget_failed(inode); + return ERR_PTR(err); } + unlock_new_inode(inode); return inode; - - out_iput: - iput(inode); - return NULL; } int udf_add_aext(struct inode *inode, struct extent_position *epos, diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 83a06001742..c12e260fd6c 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -270,9 +270,8 @@ static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry, NULL, 0), }; inode = udf_iget(dir->i_sb, lb); - if (!inode) { - return ERR_PTR(-EACCES); - } + if (IS_ERR(inode)) + return inode; } else #endif /* UDF_RECOVERY */ @@ -285,9 +284,8 @@ static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry, loc = lelb_to_cpu(cfi.icb.extLocation); inode = udf_iget(dir->i_sb, &loc); - if (!inode) { - return ERR_PTR(-EACCES); - } + if (IS_ERR(inode)) + return ERR_CAST(inode); } return d_splice_alias(inode, dentry); @@ -550,32 +548,18 @@ static int udf_delete_entry(struct inode *inode, struct fileIdentDesc *fi, return udf_write_fi(inode, cfi, fi, fibh, NULL, NULL); } -static int udf_create(struct inode *dir, struct dentry *dentry, umode_t mode, - bool excl) +static int udf_add_nondir(struct dentry *dentry, struct inode *inode) { + struct udf_inode_info *iinfo = UDF_I(inode); + struct inode *dir = dentry->d_parent->d_inode; struct udf_fileident_bh fibh; - struct inode *inode; struct fileIdentDesc cfi, *fi; int err; - struct udf_inode_info *iinfo; - - inode = udf_new_inode(dir, mode, &err); - if (!inode) { - return err; - } - - iinfo = UDF_I(inode); - if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) - inode->i_data.a_ops = &udf_adinicb_aops; - else - inode->i_data.a_ops = &udf_aops; - inode->i_op = &udf_file_inode_operations; - inode->i_fop = &udf_file_operations; - mark_inode_dirty(inode); fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err); - if (!fi) { + if (unlikely(!fi)) { inode_dec_link_count(inode); + unlock_new_inode(inode); iput(inode); return err; } @@ -589,23 +573,21 @@ static int udf_create(struct inode *dir, struct dentry *dentry, umode_t mode, if (fibh.sbh != fibh.ebh) brelse(fibh.ebh); brelse(fibh.sbh); + unlock_new_inode(inode); d_instantiate(dentry, inode); return 0; } -static int udf_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode) +static int udf_create(struct inode *dir, struct dentry *dentry, umode_t mode, + bool excl) { - struct inode *inode; - struct udf_inode_info *iinfo; - int err; + struct inode *inode = udf_new_inode(dir, mode); - inode = udf_new_inode(dir, mode, &err); - if (!inode) - return err; + if (IS_ERR(inode)) + return PTR_ERR(inode); - iinfo = UDF_I(inode); - if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) + if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) inode->i_data.a_ops = &udf_adinicb_aops; else inode->i_data.a_ops = &udf_aops; @@ -613,7 +595,25 @@ static int udf_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode) inode->i_fop = &udf_file_operations; mark_inode_dirty(inode); + return udf_add_nondir(dentry, inode); +} + +static int udf_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode) +{ + struct inode *inode = udf_new_inode(dir, mode); + + if (IS_ERR(inode)) + return PTR_ERR(inode); + + if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) + inode->i_data.a_ops = &udf_adinicb_aops; + else + inode->i_data.a_ops = &udf_aops; + inode->i_op = &udf_file_inode_operations; + inode->i_fop = &udf_file_operations; + mark_inode_dirty(inode); d_tmpfile(dentry, inode); + unlock_new_inode(inode); return 0; } @@ -621,44 +621,16 @@ static int udf_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rdev) { struct inode *inode; - struct udf_fileident_bh fibh; - struct fileIdentDesc cfi, *fi; - int err; - struct udf_inode_info *iinfo; if (!old_valid_dev(rdev)) return -EINVAL; - err = -EIO; - inode = udf_new_inode(dir, mode, &err); - if (!inode) - goto out; + inode = udf_new_inode(dir, mode); + if (IS_ERR(inode)) + return PTR_ERR(inode); - iinfo = UDF_I(inode); init_special_inode(inode, mode, rdev); - fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err); - if (!fi) { - inode_dec_link_count(inode); - iput(inode); - return err; - } - cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); - cfi.icb.extLocation = cpu_to_lelb(iinfo->i_location); - *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = - cpu_to_le32(iinfo->i_unique & 0x00000000FFFFFFFFUL); - udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); - if (UDF_I(dir)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) - mark_inode_dirty(dir); - mark_inode_dirty(inode); - - if (fibh.sbh != fibh.ebh) - brelse(fibh.ebh); - brelse(fibh.sbh); - d_instantiate(dentry, inode); - err = 0; - -out: - return err; + return udf_add_nondir(dentry, inode); } static int udf_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) @@ -670,10 +642,9 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) struct udf_inode_info *dinfo = UDF_I(dir); struct udf_inode_info *iinfo; - err = -EIO; - inode = udf_new_inode(dir, S_IFDIR | mode, &err); - if (!inode) - goto out; + inode = udf_new_inode(dir, S_IFDIR | mode); + if (IS_ERR(inode)) + return PTR_ERR(inode); iinfo = UDF_I(inode); inode->i_op = &udf_dir_inode_operations; @@ -681,6 +652,7 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) fi = udf_add_entry(inode, NULL, &fibh, &cfi, &err); if (!fi) { inode_dec_link_count(inode); + unlock_new_inode(inode); iput(inode); goto out; } @@ -699,6 +671,7 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) if (!fi) { clear_nlink(inode); mark_inode_dirty(inode); + unlock_new_inode(inode); iput(inode); goto out; } @@ -710,6 +683,7 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); inc_nlink(dir); mark_inode_dirty(dir); + unlock_new_inode(inode); d_instantiate(dentry, inode); if (fibh.sbh != fibh.ebh) brelse(fibh.ebh); @@ -876,14 +850,11 @@ out: static int udf_symlink(struct inode *dir, struct dentry *dentry, const char *symname) { - struct inode *inode; + struct inode *inode = udf_new_inode(dir, S_IFLNK | S_IRWXUGO); struct pathComponent *pc; const char *compstart; - struct udf_fileident_bh fibh; struct extent_position epos = {}; int eoffset, elen = 0; - struct fileIdentDesc *fi; - struct fileIdentDesc cfi; uint8_t *ea; int err; int block; @@ -892,9 +863,8 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry, struct udf_inode_info *iinfo; struct super_block *sb = dir->i_sb; - inode = udf_new_inode(dir, S_IFLNK | S_IRWXUGO, &err); - if (!inode) - goto out; + if (IS_ERR(inode)) + return PTR_ERR(inode); iinfo = UDF_I(inode); down_write(&iinfo->i_data_sem); @@ -1012,32 +982,15 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry, mark_inode_dirty(inode); up_write(&iinfo->i_data_sem); - fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err); - if (!fi) - goto out_fail; - cfi.icb.extLength = cpu_to_le32(sb->s_blocksize); - cfi.icb.extLocation = cpu_to_lelb(iinfo->i_location); - if (UDF_SB(inode->i_sb)->s_lvid_bh) { - *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = - cpu_to_le32(lvid_get_unique_id(sb)); - } - udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); - if (UDF_I(dir)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) - mark_inode_dirty(dir); - if (fibh.sbh != fibh.ebh) - brelse(fibh.ebh); - brelse(fibh.sbh); - d_instantiate(dentry, inode); - err = 0; - + err = udf_add_nondir(dentry, inode); out: kfree(name); return err; out_no_entry: up_write(&iinfo->i_data_sem); -out_fail: inode_dec_link_count(inode); + unlock_new_inode(inode); iput(inode); goto out; } @@ -1222,7 +1175,7 @@ static struct dentry *udf_get_parent(struct dentry *child) struct udf_fileident_bh fibh; if (!udf_find_entry(child->d_inode, &dotdot, &fibh, &cfi)) - goto out_unlock; + return ERR_PTR(-EACCES); if (fibh.sbh != fibh.ebh) brelse(fibh.ebh); @@ -1230,12 +1183,10 @@ static struct dentry *udf_get_parent(struct dentry *child) tloc = lelb_to_cpu(cfi.icb.extLocation); inode = udf_iget(child->d_inode->i_sb, &tloc); - if (!inode) - goto out_unlock; + if (IS_ERR(inode)) + return ERR_CAST(inode); return d_obtain_alias(inode); -out_unlock: - return ERR_PTR(-EACCES); } @@ -1252,8 +1203,8 @@ static struct dentry *udf_nfs_get_inode(struct super_block *sb, u32 block, loc.partitionReferenceNum = partref; inode = udf_iget(sb, &loc); - if (inode == NULL) - return ERR_PTR(-ENOMEM); + if (IS_ERR(inode)) + return ERR_CAST(inode); if (generation && inode->i_generation != generation) { iput(inode); diff --git a/fs/udf/super.c b/fs/udf/super.c index 813da94d447..5401fc33f5c 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -961,12 +961,14 @@ struct inode *udf_find_metadata_inode_efe(struct super_block *sb, metadata_fe = udf_iget(sb, &addr); - if (metadata_fe == NULL) + if (IS_ERR(metadata_fe)) { udf_warn(sb, "metadata inode efe not found\n"); - else if (UDF_I(metadata_fe)->i_alloc_type != ICBTAG_FLAG_AD_SHORT) { + return metadata_fe; + } + if (UDF_I(metadata_fe)->i_alloc_type != ICBTAG_FLAG_AD_SHORT) { udf_warn(sb, "metadata inode efe does not have short allocation descriptors!\n"); iput(metadata_fe); - metadata_fe = NULL; + return ERR_PTR(-EIO); } return metadata_fe; @@ -978,6 +980,7 @@ static int udf_load_metadata_files(struct super_block *sb, int partition) struct udf_part_map *map; struct udf_meta_data *mdata; struct kernel_lb_addr addr; + struct inode *fe; map = &sbi->s_partmaps[partition]; mdata = &map->s_type_specific.s_metadata; @@ -986,22 +989,24 @@ static int udf_load_metadata_files(struct super_block *sb, int partition) udf_debug("Metadata file location: block = %d part = %d\n", mdata->s_meta_file_loc, map->s_partition_num); - mdata->s_metadata_fe = udf_find_metadata_inode_efe(sb, - mdata->s_meta_file_loc, map->s_partition_num); - - if (mdata->s_metadata_fe == NULL) { + fe = udf_find_metadata_inode_efe(sb, mdata->s_meta_file_loc, + map->s_partition_num); + if (IS_ERR(fe)) { /* mirror file entry */ udf_debug("Mirror metadata file location: block = %d part = %d\n", mdata->s_mirror_file_loc, map->s_partition_num); - mdata->s_mirror_fe = udf_find_metadata_inode_efe(sb, - mdata->s_mirror_file_loc, map->s_partition_num); + fe = udf_find_metadata_inode_efe(sb, mdata->s_mirror_file_loc, + map->s_partition_num); - if (mdata->s_mirror_fe == NULL) { + if (IS_ERR(fe)) { udf_err(sb, "Both metadata and mirror metadata inode efe can not found\n"); - return -EIO; + return PTR_ERR(fe); } - } + mdata->s_mirror_fe = fe; + } else + mdata->s_metadata_fe = fe; + /* * bitmap file entry @@ -1015,15 +1020,16 @@ static int udf_load_metadata_files(struct super_block *sb, int partition) udf_debug("Bitmap file location: block = %d part = %d\n", addr.logicalBlockNum, addr.partitionReferenceNum); - mdata->s_bitmap_fe = udf_iget(sb, &addr); - if (mdata->s_bitmap_fe == NULL) { + fe = udf_iget(sb, &addr); + if (IS_ERR(fe)) { if (sb->s_flags & MS_RDONLY) udf_warn(sb, "bitmap inode efe not found but it's ok since the disc is mounted read-only\n"); else { udf_err(sb, "bitmap inode efe not found and attempted read-write mount\n"); - return -EIO; + return PTR_ERR(fe); } - } + } else + mdata->s_bitmap_fe = fe; } udf_debug("udf_load_metadata_files Ok\n"); @@ -1111,13 +1117,15 @@ static int udf_fill_partdesc_info(struct super_block *sb, phd->unallocSpaceTable.extPosition), .partitionReferenceNum = p_index, }; + struct inode *inode; - map->s_uspace.s_table = udf_iget(sb, &loc); - if (!map->s_uspace.s_table) { + inode = udf_iget(sb, &loc); + if (IS_ERR(inode)) { udf_debug("cannot load unallocSpaceTable (part %d)\n", p_index); - return -EIO; + return PTR_ERR(inode); } + map->s_uspace.s_table = inode; map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_TABLE; udf_debug("unallocSpaceTable (part %d) @ %ld\n", p_index, map->s_uspace.s_table->i_ino); @@ -1144,14 +1152,15 @@ static int udf_fill_partdesc_info(struct super_block *sb, phd->freedSpaceTable.extPosition), .partitionReferenceNum = p_index, }; + struct inode *inode; - map->s_fspace.s_table = udf_iget(sb, &loc); - if (!map->s_fspace.s_table) { + inode = udf_iget(sb, &loc); + if (IS_ERR(inode)) { udf_debug("cannot load freedSpaceTable (part %d)\n", p_index); - return -EIO; + return PTR_ERR(inode); } - + map->s_fspace.s_table = inode; map->s_partition_flags |= UDF_PART_FLAG_FREED_TABLE; udf_debug("freedSpaceTable (part %d) @ %ld\n", p_index, map->s_fspace.s_table->i_ino); @@ -1178,6 +1187,7 @@ static void udf_find_vat_block(struct super_block *sb, int p_index, struct udf_part_map *map = &sbi->s_partmaps[p_index]; sector_t vat_block; struct kernel_lb_addr ino; + struct inode *inode; /* * VAT file entry is in the last recorded block. Some broken disks have @@ -1186,10 +1196,13 @@ static void udf_find_vat_block(struct super_block *sb, int p_index, ino.partitionReferenceNum = type1_index; for (vat_block = start_block; vat_block >= map->s_partition_root && - vat_block >= start_block - 3 && - !sbi->s_vat_inode; vat_block--) { + vat_block >= start_block - 3; vat_block--) { ino.logicalBlockNum = vat_block - map->s_partition_root; - sbi->s_vat_inode = udf_iget(sb, &ino); + inode = udf_iget(sb, &ino); + if (!IS_ERR(inode)) { + sbi->s_vat_inode = inode; + break; + } } } @@ -2205,10 +2218,10 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) /* assign inodes by physical block number */ /* perhaps it's not extensible enough, but for now ... */ inode = udf_iget(sb, &rootdir); - if (!inode) { + if (IS_ERR(inode)) { udf_err(sb, "Error in udf_iget, block=%d, partition=%d\n", rootdir.logicalBlockNum, rootdir.partitionReferenceNum); - ret = -EIO; + ret = PTR_ERR(inode); goto error_out; } diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h index be7dabbbcb4..742557be993 100644 --- a/fs/udf/udfdecl.h +++ b/fs/udf/udfdecl.h @@ -143,7 +143,6 @@ extern int udf_expand_file_adinicb(struct inode *); extern struct buffer_head *udf_expand_dir_adinicb(struct inode *, int *, int *); extern struct buffer_head *udf_bread(struct inode *, int, int, int *); extern int udf_setsize(struct inode *, loff_t); -extern void udf_read_inode(struct inode *); extern void udf_evict_inode(struct inode *); extern int udf_write_inode(struct inode *, struct writeback_control *wbc); extern long udf_block_map(struct inode *, sector_t); @@ -209,7 +208,7 @@ extern int udf_CS0toUTF8(struct ustr *, const struct ustr *); /* ialloc.c */ extern void udf_free_inode(struct inode *); -extern struct inode *udf_new_inode(struct inode *, umode_t, int *); +extern struct inode *udf_new_inode(struct inode *, umode_t); /* truncate.c */ extern void udf_truncate_tail_extent(struct inode *); diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c index 7c580c97990..be7d42c7d93 100644 --- a/fs/ufs/inode.c +++ b/fs/ufs/inode.c @@ -902,9 +902,6 @@ void ufs_evict_inode(struct inode * inode) invalidate_inode_buffers(inode); clear_inode(inode); - if (want_delete) { - lock_ufs(inode->i_sb); - ufs_free_inode (inode); - unlock_ufs(inode->i_sb); - } + if (want_delete) + ufs_free_inode(inode); } diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c index 90d74b8f8eb..2df62a73f20 100644 --- a/fs/ufs/namei.c +++ b/fs/ufs/namei.c @@ -126,12 +126,12 @@ static int ufs_symlink (struct inode * dir, struct dentry * dentry, if (l > sb->s_blocksize) goto out_notlocked; - lock_ufs(dir->i_sb); inode = ufs_new_inode(dir, S_IFLNK | S_IRWXUGO); err = PTR_ERR(inode); if (IS_ERR(inode)) - goto out; + goto out_notlocked; + lock_ufs(dir->i_sb); if (l > UFS_SB(sb)->s_uspi->s_maxsymlinklen) { /* slow symlink */ inode->i_op = &ufs_symlink_inode_operations; @@ -181,13 +181,9 @@ static int ufs_mkdir(struct inode * dir, struct dentry * dentry, umode_t mode) struct inode * inode; int err; - lock_ufs(dir->i_sb); - inode_inc_link_count(dir); - inode = ufs_new_inode(dir, S_IFDIR|mode); - err = PTR_ERR(inode); if (IS_ERR(inode)) - goto out_dir; + return PTR_ERR(inode); inode->i_op = &ufs_dir_inode_operations; inode->i_fop = &ufs_dir_operations; @@ -195,6 +191,9 @@ static int ufs_mkdir(struct inode * dir, struct dentry * dentry, umode_t mode) inode_inc_link_count(inode); + lock_ufs(dir->i_sb); + inode_inc_link_count(dir); + err = ufs_make_empty(inode, dir); if (err) goto out_fail; @@ -212,7 +211,6 @@ out_fail: inode_dec_link_count(inode); inode_dec_link_count(inode); iput (inode); -out_dir: inode_dec_link_count(dir); unlock_ufs(dir->i_sb); goto out; diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index de2d26d3284..86df952d3e2 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -5424,7 +5424,7 @@ xfs_bmap_shift_extents( struct xfs_bmap_free *flist, int num_exts) { - struct xfs_btree_cur *cur; + struct xfs_btree_cur *cur = NULL; struct xfs_bmbt_rec_host *gotp; struct xfs_bmbt_irec got; struct xfs_bmbt_irec left; @@ -5435,7 +5435,7 @@ xfs_bmap_shift_extents( int error = 0; int i; int whichfork = XFS_DATA_FORK; - int logflags; + int logflags = 0; xfs_filblks_t blockcount = 0; int total_extents; @@ -5478,16 +5478,11 @@ xfs_bmap_shift_extents( } } - /* We are going to change core inode */ - logflags = XFS_ILOG_CORE; if (ifp->if_flags & XFS_IFBROOT) { cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork); cur->bc_private.b.firstblock = *firstblock; cur->bc_private.b.flist = flist; cur->bc_private.b.flags = 0; - } else { - cur = NULL; - logflags |= XFS_ILOG_DEXT; } /* @@ -5545,11 +5540,14 @@ xfs_bmap_shift_extents( blockcount = left.br_blockcount + got.br_blockcount; xfs_iext_remove(ip, *current_ext, 1, 0); + logflags |= XFS_ILOG_CORE; if (cur) { error = xfs_btree_delete(cur, &i); if (error) goto del_cursor; XFS_WANT_CORRUPTED_GOTO(i == 1, del_cursor); + } else { + logflags |= XFS_ILOG_DEXT; } XFS_IFORK_NEXT_SET(ip, whichfork, XFS_IFORK_NEXTENTS(ip, whichfork) - 1); @@ -5575,6 +5573,7 @@ xfs_bmap_shift_extents( got.br_startoff = startoff; } + logflags |= XFS_ILOG_CORE; if (cur) { error = xfs_bmbt_update(cur, got.br_startoff, got.br_startblock, @@ -5582,6 +5581,8 @@ xfs_bmap_shift_extents( got.br_state); if (error) goto del_cursor; + } else { + logflags |= XFS_ILOG_DEXT; } (*current_ext)++; @@ -5597,6 +5598,7 @@ del_cursor: xfs_btree_del_cursor(cur, error ? XFS_BTREE_ERROR : XFS_BTREE_NOERROR); - xfs_trans_log_inode(tp, ip, logflags); + if (logflags) + xfs_trans_log_inode(tp, ip, logflags); return error; } diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 11e9b4caa54..b984647c24d 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -1753,11 +1753,72 @@ xfs_vm_readpages( return mpage_readpages(mapping, pages, nr_pages, xfs_get_blocks); } +/* + * This is basically a copy of __set_page_dirty_buffers() with one + * small tweak: buffers beyond EOF do not get marked dirty. If we mark them + * dirty, we'll never be able to clean them because we don't write buffers + * beyond EOF, and that means we can't invalidate pages that span EOF + * that have been marked dirty. Further, the dirty state can leak into + * the file interior if the file is extended, resulting in all sorts of + * bad things happening as the state does not match the underlying data. + * + * XXX: this really indicates that bufferheads in XFS need to die. Warts like + * this only exist because of bufferheads and how the generic code manages them. + */ +STATIC int +xfs_vm_set_page_dirty( + struct page *page) +{ + struct address_space *mapping = page->mapping; + struct inode *inode = mapping->host; + loff_t end_offset; + loff_t offset; + int newly_dirty; + + if (unlikely(!mapping)) + return !TestSetPageDirty(page); + + end_offset = i_size_read(inode); + offset = page_offset(page); + + spin_lock(&mapping->private_lock); + if (page_has_buffers(page)) { + struct buffer_head *head = page_buffers(page); + struct buffer_head *bh = head; + + do { + if (offset < end_offset) + set_buffer_dirty(bh); + bh = bh->b_this_page; + offset += 1 << inode->i_blkbits; + } while (bh != head); + } + newly_dirty = !TestSetPageDirty(page); + spin_unlock(&mapping->private_lock); + + if (newly_dirty) { + /* sigh - __set_page_dirty() is static, so copy it here, too */ + unsigned long flags; + + spin_lock_irqsave(&mapping->tree_lock, flags); + if (page->mapping) { /* Race with truncate? */ + WARN_ON_ONCE(!PageUptodate(page)); + account_page_dirtied(page, mapping); + radix_tree_tag_set(&mapping->page_tree, + page_index(page), PAGECACHE_TAG_DIRTY); + } + spin_unlock_irqrestore(&mapping->tree_lock, flags); + __mark_inode_dirty(mapping->host, I_DIRTY_PAGES); + } + return newly_dirty; +} + const struct address_space_operations xfs_address_space_operations = { .readpage = xfs_vm_readpage, .readpages = xfs_vm_readpages, .writepage = xfs_vm_writepage, .writepages = xfs_vm_writepages, + .set_page_dirty = xfs_vm_set_page_dirty, .releasepage = xfs_vm_releasepage, .invalidatepage = xfs_vm_invalidatepage, .write_begin = xfs_vm_write_begin, diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index 2f1e30d39a3..1707980f9a4 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -1470,6 +1470,26 @@ xfs_collapse_file_space( start_fsb = XFS_B_TO_FSB(mp, offset + len); shift_fsb = XFS_B_TO_FSB(mp, len); + /* + * Writeback the entire file and force remove any post-eof blocks. The + * writeback prevents changes to the extent list via concurrent + * writeback and the eofblocks trim prevents the extent shift algorithm + * from running into a post-eof delalloc extent. + * + * XXX: This is a temporary fix until the extent shift loop below is + * converted to use offsets and lookups within the ILOCK rather than + * carrying around the index into the extent list for the next + * iteration. + */ + error = filemap_write_and_wait(VFS_I(ip)->i_mapping); + if (error) + return error; + if (xfs_can_free_eofblocks(ip, true)) { + error = xfs_free_eofblocks(mp, ip, false); + if (error) + return error; + } + error = xfs_free_file_space(ip, offset, len); if (error) return error; diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 076b1708d13..de5368c803f 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -291,12 +291,22 @@ xfs_file_read_iter( if (inode->i_mapping->nrpages) { ret = filemap_write_and_wait_range( VFS_I(ip)->i_mapping, - pos, -1); + pos, pos + size - 1); if (ret) { xfs_rw_iunlock(ip, XFS_IOLOCK_EXCL); return ret; } - truncate_pagecache_range(VFS_I(ip), pos, -1); + + /* + * Invalidate whole pages. This can return an error if + * we fail to invalidate a page, but this should never + * happen on XFS. Warn if it does fail. + */ + ret = invalidate_inode_pages2_range(VFS_I(ip)->i_mapping, + pos >> PAGE_CACHE_SHIFT, + (pos + size - 1) >> PAGE_CACHE_SHIFT); + WARN_ON_ONCE(ret); + ret = 0; } xfs_rw_ilock_demote(ip, XFS_IOLOCK_EXCL); } @@ -632,10 +642,19 @@ xfs_file_dio_aio_write( if (mapping->nrpages) { ret = filemap_write_and_wait_range(VFS_I(ip)->i_mapping, - pos, -1); + pos, pos + count - 1); if (ret) goto out; - truncate_pagecache_range(VFS_I(ip), pos, -1); + /* + * Invalidate whole pages. This can return an error if + * we fail to invalidate a page, but this should never + * happen on XFS. Warn if it does fail. + */ + ret = invalidate_inode_pages2_range(VFS_I(ip)->i_mapping, + pos >> PAGE_CACHE_SHIFT, + (pos + count - 1) >> PAGE_CACHE_SHIFT); + WARN_ON_ONCE(ret); + ret = 0; } /* diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index bcfd808b109..c1c9de19edb 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -246,7 +246,6 @@ struct acpi_device_pnp { acpi_device_name device_name; /* Driver-determined */ acpi_device_class device_class; /* " */ union acpi_object *str_obj; /* unicode string for _STR method */ - unsigned long sun; /* _SUN */ }; #define acpi_device_bid(d) ((d)->pnp.bus_id) diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index eb726b9c576..a1e31f274fc 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -127,10 +127,9 @@ enum { BLK_MQ_RQ_QUEUE_ERROR = 2, /* end IO with error */ BLK_MQ_F_SHOULD_MERGE = 1 << 0, - BLK_MQ_F_SHOULD_SORT = 1 << 1, - BLK_MQ_F_TAG_SHARED = 1 << 2, - BLK_MQ_F_SG_MERGE = 1 << 3, - BLK_MQ_F_SYSFS_UP = 1 << 4, + BLK_MQ_F_TAG_SHARED = 1 << 1, + BLK_MQ_F_SG_MERGE = 1 << 2, + BLK_MQ_F_SYSFS_UP = 1 << 3, BLK_MQ_S_STOPPED = 0, BLK_MQ_S_TAG_ACTIVE = 1, diff --git a/include/linux/dcache.h b/include/linux/dcache.h index e4ae2ad48d0..75a227cc7ce 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -55,6 +55,7 @@ struct qstr { #define QSTR_INIT(n,l) { { { .len = l } }, .name = n } #define hashlen_hash(hashlen) ((u32) (hashlen)) #define hashlen_len(hashlen) ((u32)((hashlen) >> 32)) +#define hashlen_create(hash,len) (((u64)(len)<<32)|(u32)(hash)) struct dentry_stat_t { long nr_dentry; diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h index 6ff0b0b42d4..08ed2b0a96e 100644 --- a/include/linux/f2fs_fs.h +++ b/include/linux/f2fs_fs.h @@ -24,6 +24,9 @@ #define NULL_ADDR ((block_t)0) /* used as block_t addresses */ #define NEW_ADDR ((block_t)-1) /* used as block_t addresses */ +/* 0, 1(node nid), 2(meta nid) are reserved node id */ +#define F2FS_RESERVED_NODE_NUM 3 + #define F2FS_ROOT_INO(sbi) (sbi->root_ino_num) #define F2FS_NODE_INO(sbi) (sbi->node_ino_num) #define F2FS_META_INO(sbi) (sbi->meta_ino_num) @@ -87,6 +90,8 @@ struct f2fs_super_block { #define CP_ORPHAN_PRESENT_FLAG 0x00000002 #define CP_UMOUNT_FLAG 0x00000001 +#define F2FS_CP_PACKS 2 /* # of checkpoint packs */ + struct f2fs_checkpoint { __le64 checkpoint_ver; /* checkpoint block version number */ __le64 user_block_count; /* # of user blocks */ @@ -123,6 +128,9 @@ struct f2fs_checkpoint { */ #define F2FS_ORPHANS_PER_BLOCK 1020 +#define GET_ORPHAN_BLOCKS(n) ((n + F2FS_ORPHANS_PER_BLOCK - 1) / \ + F2FS_ORPHANS_PER_BLOCK) + struct f2fs_orphan_block { __le32 ino[F2FS_ORPHANS_PER_BLOCK]; /* inode numbers */ __le32 reserved; /* reserved */ @@ -144,6 +152,7 @@ struct f2fs_extent { #define F2FS_NAME_LEN 255 #define F2FS_INLINE_XATTR_ADDRS 50 /* 200 bytes for inline xattrs */ #define DEF_ADDRS_PER_INODE 923 /* Address Pointers in an Inode */ +#define DEF_NIDS_PER_INODE 5 /* Node IDs in an Inode */ #define ADDRS_PER_INODE(fi) addrs_per_inode(fi) #define ADDRS_PER_BLOCK 1018 /* Address Pointers in a Direct Block */ #define NIDS_PER_BLOCK 1018 /* Node IDs in an Indirect Block */ @@ -163,8 +172,9 @@ struct f2fs_extent { #define MAX_INLINE_DATA (sizeof(__le32) * (DEF_ADDRS_PER_INODE - \ F2FS_INLINE_XATTR_ADDRS - 1)) -#define INLINE_DATA_OFFSET (PAGE_CACHE_SIZE - sizeof(struct node_footer) \ - - sizeof(__le32) * (DEF_ADDRS_PER_INODE + 5 - 1)) +#define INLINE_DATA_OFFSET (PAGE_CACHE_SIZE - sizeof(struct node_footer) -\ + sizeof(__le32) * (DEF_ADDRS_PER_INODE + \ + DEF_NIDS_PER_INODE - 1)) struct f2fs_inode { __le16 i_mode; /* file mode */ @@ -194,7 +204,7 @@ struct f2fs_inode { __le32 i_addr[DEF_ADDRS_PER_INODE]; /* Pointers to data blocks */ - __le32 i_nid[5]; /* direct(2), indirect(2), + __le32 i_nid[DEF_NIDS_PER_INODE]; /* direct(2), indirect(2), double_indirect(1) node id */ } __packed; diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h index c7e17de732f..12f146fa660 100644 --- a/include/linux/gpio/consumer.h +++ b/include/linux/gpio/consumer.h @@ -38,60 +38,32 @@ enum gpiod_flags { struct gpio_desc *__must_check __gpiod_get(struct device *dev, const char *con_id, enum gpiod_flags flags); -#define __gpiod_get(dev, con_id, flags, ...) __gpiod_get(dev, con_id, flags) -#define gpiod_get(varargs...) __gpiod_get(varargs, 0) struct gpio_desc *__must_check __gpiod_get_index(struct device *dev, const char *con_id, unsigned int idx, enum gpiod_flags flags); -#define __gpiod_get_index(dev, con_id, index, flags, ...) \ - __gpiod_get_index(dev, con_id, index, flags) -#define gpiod_get_index(varargs...) __gpiod_get_index(varargs, 0) struct gpio_desc *__must_check __gpiod_get_optional(struct device *dev, const char *con_id, enum gpiod_flags flags); -#define __gpiod_get_optional(dev, con_id, flags, ...) \ - __gpiod_get_optional(dev, con_id, flags) -#define gpiod_get_optional(varargs...) __gpiod_get_optional(varargs, 0) struct gpio_desc *__must_check __gpiod_get_index_optional(struct device *dev, const char *con_id, unsigned int index, enum gpiod_flags flags); -#define __gpiod_get_index_optional(dev, con_id, index, flags, ...) \ - __gpiod_get_index_optional(dev, con_id, index, flags) -#define gpiod_get_index_optional(varargs...) \ - __gpiod_get_index_optional(varargs, 0) - void gpiod_put(struct gpio_desc *desc); struct gpio_desc *__must_check __devm_gpiod_get(struct device *dev, const char *con_id, enum gpiod_flags flags); -#define __devm_gpiod_get(dev, con_id, flags, ...) \ - __devm_gpiod_get(dev, con_id, flags) -#define devm_gpiod_get(varargs...) __devm_gpiod_get(varargs, 0) struct gpio_desc *__must_check __devm_gpiod_get_index(struct device *dev, const char *con_id, unsigned int idx, enum gpiod_flags flags); -#define __devm_gpiod_get_index(dev, con_id, index, flags, ...) \ - __devm_gpiod_get_index(dev, con_id, index, flags) -#define devm_gpiod_get_index(varargs...) __devm_gpiod_get_index(varargs, 0) struct gpio_desc *__must_check __devm_gpiod_get_optional(struct device *dev, const char *con_id, enum gpiod_flags flags); -#define __devm_gpiod_get_optional(dev, con_id, flags, ...) \ - __devm_gpiod_get_optional(dev, con_id, flags) -#define devm_gpiod_get_optional(varargs...) \ - __devm_gpiod_get_optional(varargs, 0) struct gpio_desc *__must_check __devm_gpiod_get_index_optional(struct device *dev, const char *con_id, unsigned int index, enum gpiod_flags flags); -#define __devm_gpiod_get_index_optional(dev, con_id, index, flags, ...) \ - __devm_gpiod_get_index_optional(dev, con_id, index, flags) -#define devm_gpiod_get_index_optional(varargs...) \ - __devm_gpiod_get_index_optional(varargs, 0) - void devm_gpiod_put(struct device *dev, struct gpio_desc *desc); int gpiod_get_direction(const struct gpio_desc *desc); @@ -124,27 +96,31 @@ int desc_to_gpio(const struct gpio_desc *desc); #else /* CONFIG_GPIOLIB */ -static inline struct gpio_desc *__must_check gpiod_get(struct device *dev, - const char *con_id) +static inline struct gpio_desc *__must_check __gpiod_get(struct device *dev, + const char *con_id, + enum gpiod_flags flags) { return ERR_PTR(-ENOSYS); } -static inline struct gpio_desc *__must_check gpiod_get_index(struct device *dev, - const char *con_id, - unsigned int idx) +static inline struct gpio_desc *__must_check +__gpiod_get_index(struct device *dev, + const char *con_id, + unsigned int idx, + enum gpiod_flags flags) { return ERR_PTR(-ENOSYS); } static inline struct gpio_desc *__must_check -gpiod_get_optional(struct device *dev, const char *con_id) +__gpiod_get_optional(struct device *dev, const char *con_id, + enum gpiod_flags flags) { return ERR_PTR(-ENOSYS); } static inline struct gpio_desc *__must_check -gpiod_get_index_optional(struct device *dev, const char *con_id, - unsigned int index) +__gpiod_get_index_optional(struct device *dev, const char *con_id, + unsigned int index, enum gpiod_flags flags) { return ERR_PTR(-ENOSYS); } @@ -157,28 +133,33 @@ static inline void gpiod_put(struct gpio_desc *desc) WARN_ON(1); } -static inline struct gpio_desc *__must_check devm_gpiod_get(struct device *dev, - const char *con_id) +static inline struct gpio_desc *__must_check +__devm_gpiod_get(struct device *dev, + const char *con_id, + enum gpiod_flags flags) { return ERR_PTR(-ENOSYS); } static inline -struct gpio_desc *__must_check devm_gpiod_get_index(struct device *dev, - const char *con_id, - unsigned int idx) +struct gpio_desc *__must_check +__devm_gpiod_get_index(struct device *dev, + const char *con_id, + unsigned int idx, + enum gpiod_flags flags) { return ERR_PTR(-ENOSYS); } static inline struct gpio_desc *__must_check -devm_gpiod_get_optional(struct device *dev, const char *con_id) +__devm_gpiod_get_optional(struct device *dev, const char *con_id, + enum gpiod_flags flags) { return ERR_PTR(-ENOSYS); } static inline struct gpio_desc *__must_check -devm_gpiod_get_index_optional(struct device *dev, const char *con_id, - unsigned int index) +__devm_gpiod_get_index_optional(struct device *dev, const char *con_id, + unsigned int index, enum gpiod_flags flags) { return ERR_PTR(-ENOSYS); } @@ -303,9 +284,43 @@ static inline int desc_to_gpio(const struct gpio_desc *desc) return -EINVAL; } - #endif /* CONFIG_GPIOLIB */ +/* + * Vararg-hacks! This is done to transition the kernel to always pass + * the options flags argument to the below functions. During a transition + * phase these vararg macros make both old-and-newstyle code compile, + * but when all calls to the elder API are removed, these should go away + * and the __gpiod_get() etc functions above be renamed just gpiod_get() + * etc. + */ +#define __gpiod_get(dev, con_id, flags, ...) __gpiod_get(dev, con_id, flags) +#define gpiod_get(varargs...) __gpiod_get(varargs, 0) +#define __gpiod_get_index(dev, con_id, index, flags, ...) \ + __gpiod_get_index(dev, con_id, index, flags) +#define gpiod_get_index(varargs...) __gpiod_get_index(varargs, 0) +#define __gpiod_get_optional(dev, con_id, flags, ...) \ + __gpiod_get_optional(dev, con_id, flags) +#define gpiod_get_optional(varargs...) __gpiod_get_optional(varargs, 0) +#define __gpiod_get_index_optional(dev, con_id, index, flags, ...) \ + __gpiod_get_index_optional(dev, con_id, index, flags) +#define gpiod_get_index_optional(varargs...) \ + __gpiod_get_index_optional(varargs, 0) +#define __devm_gpiod_get(dev, con_id, flags, ...) \ + __devm_gpiod_get(dev, con_id, flags) +#define devm_gpiod_get(varargs...) __devm_gpiod_get(varargs, 0) +#define __devm_gpiod_get_index(dev, con_id, index, flags, ...) \ + __devm_gpiod_get_index(dev, con_id, index, flags) +#define devm_gpiod_get_index(varargs...) __devm_gpiod_get_index(varargs, 0) +#define __devm_gpiod_get_optional(dev, con_id, flags, ...) \ + __devm_gpiod_get_optional(dev, con_id, flags) +#define devm_gpiod_get_optional(varargs...) \ + __devm_gpiod_get_optional(varargs, 0) +#define __devm_gpiod_get_index_optional(dev, con_id, index, flags, ...) \ + __devm_gpiod_get_index_optional(dev, con_id, index, flags) +#define devm_gpiod_get_index_optional(varargs...) \ + __devm_gpiod_get_index_optional(varargs, 0) + #if IS_ENABLED(CONFIG_GPIOLIB) && IS_ENABLED(CONFIG_GPIO_SYSFS) int gpiod_export(struct gpio_desc *desc, bool direction_may_change); diff --git a/include/linux/hash.h b/include/linux/hash.h index bd1754c7ece..d0494c39939 100644 --- a/include/linux/hash.h +++ b/include/linux/hash.h @@ -37,6 +37,9 @@ static __always_inline u64 hash_64(u64 val, unsigned int bits) { u64 hash = val; +#if defined(CONFIG_ARCH_HAS_FAST_MULTIPLIER) && BITS_PER_LONG == 64 + hash = hash * GOLDEN_RATIO_PRIME_64; +#else /* Sigh, gcc can't optimise this alone like it does for 32 bits. */ u64 n = hash; n <<= 18; @@ -51,6 +54,7 @@ static __always_inline u64 hash_64(u64 val, unsigned int bits) hash += n; n <<= 2; hash += n; +#endif /* High bits are more random, so use them. */ return hash >> (64 - bits); diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index d5b50a19463..0dae71e9971 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -159,7 +159,11 @@ typedef struct journal_header_s * journal_block_tag (in the descriptor). The other h_chksum* fields are * not used. * - * Checksum v1 and v2 are mutually exclusive features. + * If FEATURE_INCOMPAT_CSUM_V3 is set, the descriptor block uses + * journal_block_tag3_t to store a full 32-bit checksum. Everything else + * is the same as v2. + * + * Checksum v1, v2, and v3 are mutually exclusive features. */ struct commit_header { __be32 h_magic; @@ -179,6 +183,14 @@ struct commit_header { * raw struct shouldn't be used for pointer math or sizeof() - use * journal_tag_bytes(journal) instead to compute this. */ +typedef struct journal_block_tag3_s +{ + __be32 t_blocknr; /* The on-disk block number */ + __be32 t_flags; /* See below */ + __be32 t_blocknr_high; /* most-significant high 32bits. */ + __be32 t_checksum; /* crc32c(uuid+seq+block) */ +} journal_block_tag3_t; + typedef struct journal_block_tag_s { __be32 t_blocknr; /* The on-disk block number */ @@ -187,9 +199,6 @@ typedef struct journal_block_tag_s __be32 t_blocknr_high; /* most-significant high 32bits. */ } journal_block_tag_t; -#define JBD2_TAG_SIZE32 (offsetof(journal_block_tag_t, t_blocknr_high)) -#define JBD2_TAG_SIZE64 (sizeof(journal_block_tag_t)) - /* Tail of descriptor block, for checksumming */ struct jbd2_journal_block_tail { __be32 t_checksum; /* crc32c(uuid+descr_block) */ @@ -284,6 +293,7 @@ typedef struct journal_superblock_s #define JBD2_FEATURE_INCOMPAT_64BIT 0x00000002 #define JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT 0x00000004 #define JBD2_FEATURE_INCOMPAT_CSUM_V2 0x00000008 +#define JBD2_FEATURE_INCOMPAT_CSUM_V3 0x00000010 /* Features known to this kernel version: */ #define JBD2_KNOWN_COMPAT_FEATURES JBD2_FEATURE_COMPAT_CHECKSUM @@ -291,7 +301,8 @@ typedef struct journal_superblock_s #define JBD2_KNOWN_INCOMPAT_FEATURES (JBD2_FEATURE_INCOMPAT_REVOKE | \ JBD2_FEATURE_INCOMPAT_64BIT | \ JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT | \ - JBD2_FEATURE_INCOMPAT_CSUM_V2) + JBD2_FEATURE_INCOMPAT_CSUM_V2 | \ + JBD2_FEATURE_INCOMPAT_CSUM_V3) #ifdef __KERNEL__ @@ -1296,6 +1307,15 @@ static inline int tid_geq(tid_t x, tid_t y) extern int jbd2_journal_blocks_per_page(struct inode *inode); extern size_t journal_tag_bytes(journal_t *journal); +static inline int jbd2_journal_has_csum_v2or3(journal_t *journal) +{ + if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_CSUM_V2) || + JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_CSUM_V3)) + return 1; + + return 0; +} + /* * We reserve t_outstanding_credits >> JBD2_CONTROL_BLOCKS_SHIFT for * transaction control blocks. diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h index 1f44466c1e9..c367cbdf73a 100644 --- a/include/linux/jiffies.h +++ b/include/linux/jiffies.h @@ -258,23 +258,11 @@ extern unsigned long preset_lpj; #define SEC_JIFFIE_SC (32 - SHIFT_HZ) #endif #define NSEC_JIFFIE_SC (SEC_JIFFIE_SC + 29) -#define USEC_JIFFIE_SC (SEC_JIFFIE_SC + 19) #define SEC_CONVERSION ((unsigned long)((((u64)NSEC_PER_SEC << SEC_JIFFIE_SC) +\ TICK_NSEC -1) / (u64)TICK_NSEC)) #define NSEC_CONVERSION ((unsigned long)((((u64)1 << NSEC_JIFFIE_SC) +\ TICK_NSEC -1) / (u64)TICK_NSEC)) -#define USEC_CONVERSION \ - ((unsigned long)((((u64)NSEC_PER_USEC << USEC_JIFFIE_SC) +\ - TICK_NSEC -1) / (u64)TICK_NSEC)) -/* - * USEC_ROUND is used in the timeval to jiffie conversion. See there - * for more details. It is the scaled resolution rounding value. Note - * that it is a 64-bit value. Since, when it is applied, we are already - * in jiffies (albit scaled), it is nothing but the bits we will shift - * off. - */ -#define USEC_ROUND (u64)(((u64)1 << USEC_JIFFIE_SC) - 1) /* * The maximum jiffie value is (MAX_INT >> 1). Here we translate that * into seconds. The 64-bit case will overflow if we are not careful, diff --git a/include/linux/leds.h b/include/linux/leds.h index 6a599dce7f9..e4368647219 100644 --- a/include/linux/leds.h +++ b/include/linux/leds.h @@ -15,6 +15,7 @@ #include <linux/list.h> #include <linux/spinlock.h> #include <linux/rwsem.h> +#include <linux/timer.h> #include <linux/workqueue.h> struct device; @@ -68,7 +69,7 @@ struct led_classdev { const char *default_trigger; /* Trigger to use */ unsigned long blink_delay_on, blink_delay_off; - struct delayed_work blink_work; + struct timer_list blink_timer; int blink_brightness; struct work_struct set_brightness_work; diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index 071f6b23460..511c6e0d21a 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -1196,6 +1196,9 @@ int mlx4_map_sw_to_hw_steering_id(struct mlx4_dev *dev, enum mlx4_net_trans_rule_id id); int mlx4_hw_rule_sz(struct mlx4_dev *dev, enum mlx4_net_trans_rule_id id); +int mlx4_tunnel_steer_add(struct mlx4_dev *dev, unsigned char *addr, + int port, int qpn, u16 prio, u64 *reg_id); + void mlx4_sync_pkey_table(struct mlx4_dev *dev, int slave, int port, int i, int val); diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 3083c53e027..c300db3ae28 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -949,7 +949,7 @@ static inline int jedec_feature(struct nand_chip *chip) : 0; } -/** +/* * struct nand_sdr_timings - SDR NAND chip timings * * This struct defines the timing requirements of a SDR NAND chip. diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 38377392d08..c8e388e5fcc 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -3176,7 +3176,7 @@ static inline int __dev_uc_sync(struct net_device *dev, } /** - * __dev_uc_unsync - Remove synchonized addresses from device + * __dev_uc_unsync - Remove synchronized addresses from device * @dev: device to sync * @unsync: function to call if address should be removed * @@ -3220,7 +3220,7 @@ static inline int __dev_mc_sync(struct net_device *dev, } /** - * __dev_mc_unsync - Remove synchonized addresses from device + * __dev_mc_unsync - Remove synchronized addresses from device * @dev: device to sync * @unsync: function to call if address should be removed * diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h index 2077489f988..2517ece9882 100644 --- a/include/linux/netfilter.h +++ b/include/linux/netfilter.h @@ -9,6 +9,7 @@ #include <linux/in6.h> #include <linux/wait.h> #include <linux/list.h> +#include <linux/static_key.h> #include <uapi/linux/netfilter.h> #ifdef CONFIG_NETFILTER static inline int NF_DROP_GETERR(int verdict) @@ -99,9 +100,9 @@ void nf_unregister_sockopt(struct nf_sockopt_ops *reg); extern struct list_head nf_hooks[NFPROTO_NUMPROTO][NF_MAX_HOOKS]; -#if defined(CONFIG_JUMP_LABEL) -#include <linux/static_key.h> +#ifdef HAVE_JUMP_LABEL extern struct static_key nf_hooks_needed[NFPROTO_NUMPROTO][NF_MAX_HOOKS]; + static inline bool nf_hooks_active(u_int8_t pf, unsigned int hook) { if (__builtin_constant_p(pf) && diff --git a/include/linux/platform_data/mtd-nand-omap2.h b/include/linux/platform_data/mtd-nand-omap2.h index 660c029d694..16ec262dfcc 100644 --- a/include/linux/platform_data/mtd-nand-omap2.h +++ b/include/linux/platform_data/mtd-nand-omap2.h @@ -21,8 +21,17 @@ enum nand_io { }; enum omap_ecc { - /* 1-bit ECC calculation by GPMC, Error detection by Software */ - OMAP_ECC_HAM1_CODE_HW = 0, + /* + * 1-bit ECC: calculation and correction by SW + * ECC stored at end of spare area + */ + OMAP_ECC_HAM1_CODE_SW = 0, + + /* + * 1-bit ECC: calculation by GPMC, Error detection by Software + * ECC layout compatible with ROM code layout + */ + OMAP_ECC_HAM1_CODE_HW, /* 4-bit ECC calculation by GPMC, Error detection by Software */ OMAP_ECC_BCH4_CODE_HW_DETECTION_SW, /* 4-bit ECC calculation by GPMC, Error detection by ELM */ diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h index 7c1d252b20c..ebc4c76ffb7 100644 --- a/include/linux/pm_domain.h +++ b/include/linux/pm_domain.h @@ -60,7 +60,7 @@ struct generic_pm_domain { struct mutex lock; struct dev_power_governor *gov; struct work_struct power_off_work; - char *name; + const char *name; unsigned int in_progress; /* Number of devices being suspended now */ atomic_t sd_count; /* Number of subdomains with power "on" */ enum gpd_status status; /* Current state of the domain */ diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index bbe03a1924c..4efa1ed8a2b 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -218,6 +218,8 @@ enum regulator_type { * @linear_min_sel: Minimal selector for starting linear mapping * @fixed_uV: Fixed voltage of rails. * @ramp_delay: Time to settle down after voltage change (unit: uV/us) + * @linear_ranges: A constant table of possible voltage ranges. + * @n_linear_ranges: Number of entries in the @linear_ranges table. * @volt_table: Voltage mapping table (if table based mapping) * * @vsel_reg: Register for selector when using regulator_regmap_X_voltage_ diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h index 730e638c558..0b08d05d470 100644 --- a/include/linux/regulator/machine.h +++ b/include/linux/regulator/machine.h @@ -85,6 +85,7 @@ struct regulator_state { * bootloader then it will be enabled when the constraints are * applied. * @apply_uV: Apply the voltage constraint when initialising. + * @ramp_disable: Disable ramp delay when initialising or when setting voltage. * * @input_uV: Input voltage for regulator when supplied by another regulator. * diff --git a/include/linux/seqno-fence.h b/include/linux/seqno-fence.h index 3d6003de4b0..a1ba6a5ccdd 100644 --- a/include/linux/seqno-fence.h +++ b/include/linux/seqno-fence.h @@ -62,6 +62,7 @@ to_seqno_fence(struct fence *fence) * @context: the execution context this fence is a part of * @seqno_ofs: the offset within @sync_buf * @seqno: the sequence # to signal on + * @cond: fence wait condition * @ops: the fence_ops for operations on this seqno fence * * This function initializes a struct seqno_fence with passed parameters, diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index e713543336f..46d188a9947 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -253,6 +253,7 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) * the device whose settings are being modified. * @transfer: adds a message to the controller's transfer queue. * @cleanup: frees controller-specific state + * @can_dma: determine whether this master supports DMA * @queued: whether this master is providing an internal message queue * @kworker: thread struct for message pump * @kworker_task: pointer to task for message pump kworker thread @@ -262,6 +263,7 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) * @cur_msg: the currently in-flight message * @cur_msg_prepared: spi_prepare_message was called for the currently * in-flight message + * @cur_msg_mapped: message has been mapped for DMA * @xfer_completion: used by core transfer_one_message() * @busy: message pump is busy * @running: message pump is running @@ -299,6 +301,10 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) * @cs_gpios: Array of GPIOs to use as chip select lines; one per CS * number. Any individual value may be -ENOENT for CS lines that * are not GPIOs (driven by the SPI controller itself). + * @dma_tx: DMA transmit channel + * @dma_rx: DMA receive channel + * @dummy_rx: dummy receive buffer for full-duplex devices + * @dummy_tx: dummy transmit buffer for full-duplex devices * * Each SPI master controller can communicate with one or more @spi_device * children. These make a small bus, sharing MOSI, MISO and SCK signals @@ -632,6 +638,7 @@ struct spi_transfer { * addresses for each transfer buffer * @complete: called to report transaction completions * @context: the argument to complete() when it's called + * @frame_length: the total number of bytes in the message * @actual_length: the total number of bytes that were transferred in all * successful segments * @status: zero for success, else negative errno diff --git a/include/linux/tick.h b/include/linux/tick.h index 05905230683..9a82c7dc3fd 100644 --- a/include/linux/tick.h +++ b/include/linux/tick.h @@ -183,13 +183,8 @@ static inline bool tick_nohz_full_cpu(int cpu) extern void tick_nohz_init(void); extern void __tick_nohz_full_check(void); +extern void tick_nohz_full_kick(void); extern void tick_nohz_full_kick_cpu(int cpu); - -static inline void tick_nohz_full_kick(void) -{ - tick_nohz_full_kick_cpu(smp_processor_id()); -} - extern void tick_nohz_full_kick_all(void); extern void __tick_nohz_task_switch(struct task_struct *tsk); #else diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index b5d5af3aa46..6f884e6c731 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -464,6 +464,8 @@ struct hci_conn_params { HCI_AUTO_CONN_ALWAYS, HCI_AUTO_CONN_LINK_LOSS, } auto_connect; + + struct hci_conn *conn; }; extern struct list_head hci_dev_list; diff --git a/include/net/netns/ieee802154_6lowpan.h b/include/net/netns/ieee802154_6lowpan.h index e2070960bac..8170f8d7052 100644 --- a/include/net/netns/ieee802154_6lowpan.h +++ b/include/net/netns/ieee802154_6lowpan.h @@ -16,7 +16,6 @@ struct netns_sysctl_lowpan { struct netns_ieee802154_lowpan { struct netns_sysctl_lowpan sysctl; struct netns_frags frags; - int max_dsize; }; #endif diff --git a/include/net/regulatory.h b/include/net/regulatory.h index 259992444e8..dad7ab20a8c 100644 --- a/include/net/regulatory.h +++ b/include/net/regulatory.h @@ -167,7 +167,7 @@ struct ieee80211_reg_rule { struct ieee80211_regdomain { struct rcu_head rcu_head; u32 n_reg_rules; - char alpha2[2]; + char alpha2[3]; enum nl80211_dfs_regions dfs_region; struct ieee80211_reg_rule reg_rules[]; }; diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index f6e7397e799..9fbd856e671 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -320,6 +320,19 @@ static inline sctp_assoc_t sctp_assoc2id(const struct sctp_association *asoc) return asoc ? asoc->assoc_id : 0; } +static inline enum sctp_sstat_state +sctp_assoc_to_state(const struct sctp_association *asoc) +{ + /* SCTP's uapi always had SCTP_EMPTY(=0) as a dummy state, but we + * got rid of it in kernel space. Therefore SCTP_CLOSED et al + * start at =1 in user space, but actually as =0 in kernel space. + * Now that we can not break user space and SCTP_EMPTY is exposed + * there, we need to fix it up with an ugly offset not to break + * applications. :( + */ + return asoc->state + 1; +} + /* Look up the association by its id. */ struct sctp_association *sctp_id2assoc(struct sock *sk, sctp_assoc_t id); diff --git a/include/net/sock.h b/include/net/sock.h index 7f2ab72f321..b9a5bd0ed9f 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -2165,9 +2165,7 @@ sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb) */ if (sock_flag(sk, SOCK_RCVTSTAMP) || (sk->sk_tsflags & SOF_TIMESTAMPING_RX_SOFTWARE) || - (kt.tv64 && - (sk->sk_tsflags & SOF_TIMESTAMPING_SOFTWARE || - skb_shinfo(skb)->tx_flags & SKBTX_ANY_SW_TSTAMP)) || + (kt.tv64 && sk->sk_tsflags & SOF_TIMESTAMPING_SOFTWARE) || (hwtstamps->hwtstamp.tv64 && (sk->sk_tsflags & SOF_TIMESTAMPING_RAW_HARDWARE))) __sock_recv_timestamp(msg, sk, skb); diff --git a/include/net/wimax.h b/include/net/wimax.h index e52ef5357e0..c52b68577cb 100644 --- a/include/net/wimax.h +++ b/include/net/wimax.h @@ -290,7 +290,7 @@ struct wimax_dev; * This operation has to be synchronous, and return only when the * reset is complete. In case of having had to resort to bus/cold * reset implying a device disconnection, the call is allowed to - * return inmediately. + * return immediately. * NOTE: wimax_dev->mutex is NOT locked when this op is being * called; however, wimax_dev->mutex_reset IS locked to ensure * serialization of calls to wimax_reset(). diff --git a/include/sound/soc.h b/include/sound/soc.h index be6ecae247b..c83a334dd00 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -277,7 +277,7 @@ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \ SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \ .tlv.c = (snd_soc_bytes_tlv_callback), \ - .info = snd_soc_info_bytes_ext, \ + .info = snd_soc_bytes_info_ext, \ .private_value = (unsigned long)&(struct soc_bytes_ext) \ {.max = xcount, .get = xhandler_get, .put = xhandler_put, } } #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \ diff --git a/include/trace/events/irq.h b/include/trace/events/irq.h index 1c09820df58..3608bebd3d9 100644 --- a/include/trace/events/irq.h +++ b/include/trace/events/irq.h @@ -107,7 +107,7 @@ DECLARE_EVENT_CLASS(softirq, * @vec_nr: softirq vector number * * When used in combination with the softirq_exit tracepoint - * we can determine the softirq handler runtine. + * we can determine the softirq handler routine. */ DEFINE_EVENT(softirq, softirq_entry, @@ -121,7 +121,7 @@ DEFINE_EVENT(softirq, softirq_entry, * @vec_nr: softirq vector number * * When used in combination with the softirq_entry tracepoint - * we can determine the softirq handler runtine. + * we can determine the softirq handler routine. */ DEFINE_EVENT(softirq, softirq_exit, diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild index 24e9033f8b3..be88166349a 100644 --- a/include/uapi/linux/Kbuild +++ b/include/uapi/linux/Kbuild @@ -240,6 +240,7 @@ header-y += matroxfb.h header-y += mdio.h header-y += media.h header-y += mei.h +header-y += memfd.h header-y += mempolicy.h header-y += meye.h header-y += mic_common.h @@ -395,6 +396,7 @@ header-y += un.h header-y += unistd.h header-y += unix_diag.h header-y += usbdevice_fs.h +header-y += usbip.h header-y += utime.h header-y += utsname.h header-y += uuid.h diff --git a/include/uapi/linux/input.h b/include/uapi/linux/input.h index 19df18c9b8b..1874ebe9ac1 100644 --- a/include/uapi/linux/input.h +++ b/include/uapi/linux/input.h @@ -165,6 +165,7 @@ struct input_keymap_entry { #define INPUT_PROP_BUTTONPAD 0x02 /* has button(s) under pad */ #define INPUT_PROP_SEMI_MT 0x03 /* touch rectangle only */ #define INPUT_PROP_TOPBUTTONPAD 0x04 /* softbuttons at top of pad */ +#define INPUT_PROP_POINTING_STICK 0x05 /* is a pointing stick */ #define INPUT_PROP_MAX 0x1f #define INPUT_PROP_CNT (INPUT_PROP_MAX + 1) diff --git a/drivers/staging/usbip/uapi/usbip.h b/include/uapi/linux/usbip.h index fa5db30ede3..fa5db30ede3 100644 --- a/drivers/staging/usbip/uapi/usbip.h +++ b/include/uapi/linux/usbip.h diff --git a/include/uapi/linux/xattr.h b/include/uapi/linux/xattr.h index c38355c1f3c..1590c49cae5 100644 --- a/include/uapi/linux/xattr.h +++ b/include/uapi/linux/xattr.h @@ -13,7 +13,7 @@ #ifndef _UAPI_LINUX_XATTR_H #define _UAPI_LINUX_XATTR_H -#ifdef __UAPI_DEF_XATTR +#if __UAPI_DEF_XATTR #define __USE_KERNEL_XATTR_DEFS #define XATTR_CREATE 0x1 /* set value, fail if attr already exists */ diff --git a/include/xen/interface/features.h b/include/xen/interface/features.h index 131a6ccdba2..14334d0161d 100644 --- a/include/xen/interface/features.h +++ b/include/xen/interface/features.h @@ -53,6 +53,9 @@ /* operation as Dom0 is supported */ #define XENFEAT_dom0 11 +/* Xen also maps grant references at pfn = mfn */ +#define XENFEAT_grant_map_identity 12 + #define XENFEAT_NR_SUBMAPS 1 #endif /* __XEN_PUBLIC_FEATURES_H__ */ diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 7dc8788cfd5..940aced4ed0 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -1035,6 +1035,11 @@ static void cgroup_get(struct cgroup *cgrp) css_get(&cgrp->self); } +static bool cgroup_tryget(struct cgroup *cgrp) +{ + return css_tryget(&cgrp->self); +} + static void cgroup_put(struct cgroup *cgrp) { css_put(&cgrp->self); @@ -1147,7 +1152,8 @@ static struct cgroup *cgroup_kn_lock_live(struct kernfs_node *kn) * protection against removal. Ensure @cgrp stays accessible and * break the active_ref protection. */ - cgroup_get(cgrp); + if (!cgroup_tryget(cgrp)) + return NULL; kernfs_break_active_protection(kn); mutex_lock(&cgroup_mutex); @@ -3271,8 +3277,17 @@ int cgroup_add_legacy_cftypes(struct cgroup_subsys *ss, struct cftype *cfts) { struct cftype *cft; - for (cft = cfts; cft && cft->name[0] != '\0'; cft++) - cft->flags |= __CFTYPE_NOT_ON_DFL; + /* + * If legacy_flies_on_dfl, we want to show the legacy files on the + * dfl hierarchy but iff the target subsystem hasn't been updated + * for the dfl hierarchy yet. + */ + if (!cgroup_legacy_files_on_dfl || + ss->dfl_cftypes != ss->legacy_cftypes) { + for (cft = cfts; cft && cft->name[0] != '\0'; cft++) + cft->flags |= __CFTYPE_NOT_ON_DFL; + } + return cgroup_add_cftypes(ss, cfts); } @@ -4387,6 +4402,15 @@ static void css_release_work_fn(struct work_struct *work) /* cgroup release path */ cgroup_idr_remove(&cgrp->root->cgroup_idr, cgrp->id); cgrp->id = -1; + + /* + * There are two control paths which try to determine + * cgroup from dentry without going through kernfs - + * cgroupstats_build() and css_tryget_online_from_dir(). + * Those are supported by RCU protecting clearing of + * cgrp->kn->priv backpointer. + */ + RCU_INIT_POINTER(*(void __rcu __force **)&cgrp->kn->priv, NULL); } mutex_unlock(&cgroup_mutex); @@ -4543,6 +4567,11 @@ static int cgroup_mkdir(struct kernfs_node *parent_kn, const char *name, struct cftype *base_files; int ssid, ret; + /* Do not accept '\n' to prevent making /proc/<pid>/cgroup unparsable. + */ + if (strchr(name, '\n')) + return -EINVAL; + parent = cgroup_kn_lock_live(parent_kn); if (!parent) return -ENODEV; @@ -4820,16 +4849,6 @@ static int cgroup_rmdir(struct kernfs_node *kn) cgroup_kn_unlock(kn); - /* - * There are two control paths which try to determine cgroup from - * dentry without going through kernfs - cgroupstats_build() and - * css_tryget_online_from_dir(). Those are supported by RCU - * protecting clearing of cgrp->kn->priv backpointer, which should - * happen after all files under it have been removed. - */ - if (!ret) - RCU_INIT_POINTER(*(void __rcu __force **)&kn->priv, NULL); - cgroup_put(cgrp); return ret; } @@ -5416,7 +5435,7 @@ struct cgroup_subsys_state *css_tryget_online_from_dir(struct dentry *dentry, /* * This path doesn't originate from kernfs and @kn could already * have been or be removed at any point. @kn->priv is RCU - * protected for this access. See cgroup_rmdir() for details. + * protected for this access. See css_release_work_fn() for details. */ cgrp = rcu_dereference(kn->priv); if (cgrp) diff --git a/kernel/compat.c b/kernel/compat.c index 633394f442f..ebb3c369d03 100644 --- a/kernel/compat.c +++ b/kernel/compat.c @@ -226,7 +226,7 @@ static long compat_nanosleep_restart(struct restart_block *restart) ret = hrtimer_nanosleep_restart(restart); set_fs(oldfs); - if (ret) { + if (ret == -ERESTART_RESTARTBLOCK) { rmtp = restart->nanosleep.compat_rmtp; if (rmtp && compat_put_timespec(&rmt, rmtp)) @@ -256,7 +256,26 @@ COMPAT_SYSCALL_DEFINE2(nanosleep, struct compat_timespec __user *, rqtp, HRTIMER_MODE_REL, CLOCK_MONOTONIC); set_fs(oldfs); - if (ret) { + /* + * hrtimer_nanosleep() can only return 0 or + * -ERESTART_RESTARTBLOCK here because: + * + * - we call it with HRTIMER_MODE_REL and therefor exclude the + * -ERESTARTNOHAND return path. + * + * - we supply the rmtp argument from the task stack (due to + * the necessary compat conversion. So the update cannot + * fail, which excludes the -EFAULT return path as well. If + * it fails nevertheless we have a bigger problem and wont + * reach this place anymore. + * + * - if the return value is 0, we do not have to update rmtp + * because there is no remaining time. + * + * We check for -ERESTART_RESTARTBLOCK nevertheless if the + * core implementation decides to return random nonsense. + */ + if (ret == -ERESTART_RESTARTBLOCK) { struct restart_block *restart = ¤t_thread_info()->restart_block; @@ -266,7 +285,6 @@ COMPAT_SYSCALL_DEFINE2(nanosleep, struct compat_timespec __user *, rqtp, if (rmtp && compat_put_timespec(&rmt, rmtp)) return -EFAULT; } - return ret; } diff --git a/kernel/futex.c b/kernel/futex.c index d3a9d946d0b..815d7af2ffe 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -2592,6 +2592,7 @@ static int futex_wait_requeue_pi(u32 __user *uaddr, unsigned int flags, * shared futexes. We need to compare the keys: */ if (match_futex(&q.key, &key2)) { + queue_unlock(hb); ret = -EINVAL; goto out_put_keys; } diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index a2b28a2fd7b..6223fab9a9d 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -517,6 +517,7 @@ out: chip->irq_eoi(&desc->irq_data); raw_spin_unlock(&desc->lock); } +EXPORT_SYMBOL_GPL(handle_fasteoi_irq); /** * handle_edge_irq - edge type IRQ handler diff --git a/kernel/kcmp.c b/kernel/kcmp.c index e30ac0fe61c..0aa69ea1d8f 100644 --- a/kernel/kcmp.c +++ b/kernel/kcmp.c @@ -44,11 +44,12 @@ static long kptr_obfuscate(long v, int type) */ static int kcmp_ptr(void *v1, void *v2, enum kcmp_type type) { - long ret; + long t1, t2; - ret = kptr_obfuscate((long)v1, type) - kptr_obfuscate((long)v2, type); + t1 = kptr_obfuscate((long)v1, type); + t2 = kptr_obfuscate((long)v2, type); - return (ret < 0) | ((ret > 0) << 1); + return (t1 < t2) | ((t1 > t2) << 1); } /* The caller must have pinned the task */ diff --git a/kernel/kexec.c b/kernel/kexec.c index 0b49a0a5810..2bee072268d 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -64,7 +64,9 @@ bool kexec_in_progress = false; char __weak kexec_purgatory[0]; size_t __weak kexec_purgatory_size = 0; +#ifdef CONFIG_KEXEC_FILE static int kexec_calculate_store_digests(struct kimage *image); +#endif /* Location of the reserved area for the crash kernel */ struct resource crashk_res = { @@ -341,6 +343,7 @@ out_free_image: return ret; } +#ifdef CONFIG_KEXEC_FILE static int copy_file_from_fd(int fd, void **buf, unsigned long *buf_len) { struct fd f = fdget(fd); @@ -612,6 +615,9 @@ out_free_image: kfree(image); return ret; } +#else /* CONFIG_KEXEC_FILE */ +static inline void kimage_file_post_load_cleanup(struct kimage *image) { } +#endif /* CONFIG_KEXEC_FILE */ static int kimage_is_destination_range(struct kimage *image, unsigned long start, @@ -1375,6 +1381,7 @@ COMPAT_SYSCALL_DEFINE4(kexec_load, compat_ulong_t, entry, } #endif +#ifdef CONFIG_KEXEC_FILE SYSCALL_DEFINE5(kexec_file_load, int, kernel_fd, int, initrd_fd, unsigned long, cmdline_len, const char __user *, cmdline_ptr, unsigned long, flags) @@ -1451,6 +1458,8 @@ out: return ret; } +#endif /* CONFIG_KEXEC_FILE */ + void crash_kexec(struct pt_regs *regs) { /* Take the kexec_mutex here to prevent sys_kexec_load @@ -2006,6 +2015,7 @@ static int __init crash_save_vmcoreinfo_init(void) subsys_initcall(crash_save_vmcoreinfo_init); +#ifdef CONFIG_KEXEC_FILE static int __kexec_add_segment(struct kimage *image, char *buf, unsigned long bufsz, unsigned long mem, unsigned long memsz) @@ -2682,6 +2692,7 @@ int kexec_purgatory_get_set_symbol(struct kimage *image, const char *name, return 0; } +#endif /* CONFIG_KEXEC_FILE */ /* * Move into place and start executing a preloaded standalone diff --git a/kernel/power/power.h b/kernel/power/power.h index 5d49dcac253..2df883a9d3c 100644 --- a/kernel/power/power.h +++ b/kernel/power/power.h @@ -179,6 +179,7 @@ extern void swsusp_show_speed(struct timeval *, struct timeval *, #ifdef CONFIG_SUSPEND /* kernel/power/suspend.c */ +extern const char *pm_labels[]; extern const char *pm_states[]; extern int suspend_devices_and_enter(suspend_state_t state); diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c index 6dadb25cb0d..18c62195660 100644 --- a/kernel/power/suspend.c +++ b/kernel/power/suspend.c @@ -31,7 +31,7 @@ #include "power.h" -static const char *pm_labels[] = { "mem", "standby", "freeze", }; +const char *pm_labels[] = { "mem", "standby", "freeze", NULL }; const char *pm_states[PM_SUSPEND_MAX]; static const struct platform_suspend_ops *suspend_ops; diff --git a/kernel/power/suspend_test.c b/kernel/power/suspend_test.c index 2f524928b6a..bd91bc177c9 100644 --- a/kernel/power/suspend_test.c +++ b/kernel/power/suspend_test.c @@ -129,20 +129,20 @@ static int __init has_wakealarm(struct device *dev, const void *data) * at startup time. They're normally disabled, for faster boot and because * we can't know which states really work on this particular system. */ -static suspend_state_t test_state __initdata = PM_SUSPEND_ON; +static const char *test_state_label __initdata; static char warn_bad_state[] __initdata = KERN_WARNING "PM: can't test '%s' suspend state\n"; static int __init setup_test_suspend(char *value) { - suspend_state_t i; + int i; /* "=mem" ==> "mem" */ value++; - for (i = PM_SUSPEND_MIN; i < PM_SUSPEND_MAX; i++) - if (!strcmp(pm_states[i], value)) { - test_state = i; + for (i = 0; pm_labels[i]; i++) + if (!strcmp(pm_labels[i], value)) { + test_state_label = pm_labels[i]; return 0; } @@ -158,13 +158,21 @@ static int __init test_suspend(void) struct rtc_device *rtc = NULL; struct device *dev; + suspend_state_t test_state; /* PM is initialized by now; is that state testable? */ - if (test_state == PM_SUSPEND_ON) - goto done; - if (!pm_states[test_state]) { - printk(warn_bad_state, pm_states[test_state]); - goto done; + if (!test_state_label) + return 0; + + for (test_state = PM_SUSPEND_MIN; test_state < PM_SUSPEND_MAX; test_state++) { + const char *state_label = pm_states[test_state]; + + if (state_label && !strcmp(test_state_label, state_label)) + break; + } + if (test_state == PM_SUSPEND_MAX) { + printk(warn_bad_state, test_state_label); + return 0; } /* RTCs have initialized by now too ... can we use one? */ @@ -173,13 +181,12 @@ static int __init test_suspend(void) rtc = rtc_class_open(dev_name(dev)); if (!rtc) { printk(warn_no_rtc); - goto done; + return 0; } /* go for it */ test_wakealarm(rtc, test_state); rtc_class_close(rtc); -done: return 0; } late_initcall(test_suspend); diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index e04c455a0e3..1ce770687ea 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -1665,15 +1665,15 @@ asmlinkage int vprintk_emit(int facility, int level, raw_spin_lock(&logbuf_lock); logbuf_cpu = this_cpu; - if (recursion_bug) { + if (unlikely(recursion_bug)) { static const char recursion_msg[] = "BUG: recent printk recursion!"; recursion_bug = 0; - text_len = strlen(recursion_msg); /* emit KERN_CRIT message */ printed_len += log_store(0, 2, LOG_PREFIX|LOG_NEWLINE, 0, - NULL, 0, recursion_msg, text_len); + NULL, 0, recursion_msg, + strlen(recursion_msg)); } /* diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h index 71e64c718f7..6a86eb7bac4 100644 --- a/kernel/rcu/tree.h +++ b/kernel/rcu/tree.h @@ -358,7 +358,7 @@ struct rcu_data { struct rcu_head **nocb_gp_tail; long nocb_gp_count; long nocb_gp_count_lazy; - bool nocb_leader_wake; /* Is the nocb leader thread awake? */ + bool nocb_leader_sleep; /* Is the nocb leader thread asleep? */ struct rcu_data *nocb_next_follower; /* Next follower in wakeup chain. */ diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h index 00dc411e967..a7997e27256 100644 --- a/kernel/rcu/tree_plugin.h +++ b/kernel/rcu/tree_plugin.h @@ -2074,9 +2074,9 @@ static void wake_nocb_leader(struct rcu_data *rdp, bool force) if (!ACCESS_ONCE(rdp_leader->nocb_kthread)) return; - if (!ACCESS_ONCE(rdp_leader->nocb_leader_wake) || force) { + if (ACCESS_ONCE(rdp_leader->nocb_leader_sleep) || force) { /* Prior xchg orders against prior callback enqueue. */ - ACCESS_ONCE(rdp_leader->nocb_leader_wake) = true; + ACCESS_ONCE(rdp_leader->nocb_leader_sleep) = false; wake_up(&rdp_leader->nocb_wq); } } @@ -2253,7 +2253,7 @@ wait_again: if (!rcu_nocb_poll) { trace_rcu_nocb_wake(my_rdp->rsp->name, my_rdp->cpu, "Sleep"); wait_event_interruptible(my_rdp->nocb_wq, - ACCESS_ONCE(my_rdp->nocb_leader_wake)); + !ACCESS_ONCE(my_rdp->nocb_leader_sleep)); /* Memory barrier handled by smp_mb() calls below and repoll. */ } else if (firsttime) { firsttime = false; /* Don't drown trace log with "Poll"! */ @@ -2292,12 +2292,12 @@ wait_again: schedule_timeout_interruptible(1); /* Rescan in case we were a victim of memory ordering. */ - my_rdp->nocb_leader_wake = false; - smp_mb(); /* Ensure _wake false before scan. */ + my_rdp->nocb_leader_sleep = true; + smp_mb(); /* Ensure _sleep true before scan. */ for (rdp = my_rdp; rdp; rdp = rdp->nocb_next_follower) if (ACCESS_ONCE(rdp->nocb_head)) { /* Found CB, so short-circuit next wait. */ - my_rdp->nocb_leader_wake = true; + my_rdp->nocb_leader_sleep = false; break; } goto wait_again; @@ -2307,17 +2307,17 @@ wait_again: rcu_nocb_wait_gp(my_rdp); /* - * We left ->nocb_leader_wake set to reduce cache thrashing. - * We clear it now, but recheck for new callbacks while + * We left ->nocb_leader_sleep unset to reduce cache thrashing. + * We set it now, but recheck for new callbacks while * traversing our follower list. */ - my_rdp->nocb_leader_wake = false; - smp_mb(); /* Ensure _wake false before scan of ->nocb_head. */ + my_rdp->nocb_leader_sleep = true; + smp_mb(); /* Ensure _sleep true before scan of ->nocb_head. */ /* Each pass through the following loop wakes a follower, if needed. */ for (rdp = my_rdp; rdp; rdp = rdp->nocb_next_follower) { if (ACCESS_ONCE(rdp->nocb_head)) - my_rdp->nocb_leader_wake = true; /* No need to wait. */ + my_rdp->nocb_leader_sleep = false;/* No need to sleep.*/ if (!rdp->nocb_gp_head) continue; /* No CBs, so no need to wake follower. */ diff --git a/kernel/resource.c b/kernel/resource.c index da14b8d0929..60c5a3856ab 100644 --- a/kernel/resource.c +++ b/kernel/resource.c @@ -351,15 +351,12 @@ static int find_next_iomem_res(struct resource *res, char *name, end = res->end; BUG_ON(start >= end); - read_lock(&resource_lock); - - if (first_level_children_only) { - p = iomem_resource.child; + if (first_level_children_only) sibling_only = true; - } else - p = &iomem_resource; - while ((p = next_resource(p, sibling_only))) { + read_lock(&resource_lock); + + for (p = iomem_resource.child; p; p = next_resource(p, sibling_only)) { if (p->flags != res->flags) continue; if (name && strcmp(p->name, name)) diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c index 4aec4a45743..a7077d3ae52 100644 --- a/kernel/time/alarmtimer.c +++ b/kernel/time/alarmtimer.c @@ -464,18 +464,26 @@ static enum alarmtimer_type clock2alarm(clockid_t clockid) static enum alarmtimer_restart alarm_handle_timer(struct alarm *alarm, ktime_t now) { + unsigned long flags; struct k_itimer *ptr = container_of(alarm, struct k_itimer, it.alarm.alarmtimer); - if (posix_timer_event(ptr, 0) != 0) - ptr->it_overrun++; + enum alarmtimer_restart result = ALARMTIMER_NORESTART; + + spin_lock_irqsave(&ptr->it_lock, flags); + if ((ptr->it_sigev_notify & ~SIGEV_THREAD_ID) != SIGEV_NONE) { + if (posix_timer_event(ptr, 0) != 0) + ptr->it_overrun++; + } /* Re-add periodic timers */ if (ptr->it.alarm.interval.tv64) { ptr->it_overrun += alarm_forward(alarm, now, ptr->it.alarm.interval); - return ALARMTIMER_RESTART; + result = ALARMTIMER_RESTART; } - return ALARMTIMER_NORESTART; + spin_unlock_irqrestore(&ptr->it_lock, flags); + + return result; } /** @@ -541,18 +549,22 @@ static int alarm_timer_create(struct k_itimer *new_timer) * @new_timer: k_itimer pointer * @cur_setting: itimerspec data to fill * - * Copies the itimerspec data out from the k_itimer + * Copies out the current itimerspec data */ static void alarm_timer_get(struct k_itimer *timr, struct itimerspec *cur_setting) { - memset(cur_setting, 0, sizeof(struct itimerspec)); + ktime_t relative_expiry_time = + alarm_expires_remaining(&(timr->it.alarm.alarmtimer)); + + if (ktime_to_ns(relative_expiry_time) > 0) { + cur_setting->it_value = ktime_to_timespec(relative_expiry_time); + } else { + cur_setting->it_value.tv_sec = 0; + cur_setting->it_value.tv_nsec = 0; + } - cur_setting->it_interval = - ktime_to_timespec(timr->it.alarm.interval); - cur_setting->it_value = - ktime_to_timespec(timr->it.alarm.alarmtimer.node.expires); - return; + cur_setting->it_interval = ktime_to_timespec(timr->it.alarm.interval); } /** diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 99aa6ee3908..f654a8a298f 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -225,6 +225,20 @@ static DEFINE_PER_CPU(struct irq_work, nohz_full_kick_work) = { }; /* + * Kick this CPU if it's full dynticks in order to force it to + * re-evaluate its dependency on the tick and restart it if necessary. + * This kick, unlike tick_nohz_full_kick_cpu() and tick_nohz_full_kick_all(), + * is NMI safe. + */ +void tick_nohz_full_kick(void) +{ + if (!tick_nohz_full_cpu(smp_processor_id())) + return; + + irq_work_queue(&__get_cpu_var(nohz_full_kick_work)); +} + +/* * Kick the CPU if it's full dynticks in order to force it to * re-evaluate its dependency on the tick and restart it if necessary. */ diff --git a/kernel/time/time.c b/kernel/time/time.c index f0294ba1463..a9ae20fb0b1 100644 --- a/kernel/time/time.c +++ b/kernel/time/time.c @@ -559,17 +559,20 @@ EXPORT_SYMBOL(usecs_to_jiffies); * that a remainder subtract here would not do the right thing as the * resolution values don't fall on second boundries. I.e. the line: * nsec -= nsec % TICK_NSEC; is NOT a correct resolution rounding. + * Note that due to the small error in the multiplier here, this + * rounding is incorrect for sufficiently large values of tv_nsec, but + * well formed timespecs should have tv_nsec < NSEC_PER_SEC, so we're + * OK. * * Rather, we just shift the bits off the right. * * The >> (NSEC_JIFFIE_SC - SEC_JIFFIE_SC) converts the scaled nsec * value to a scaled second value. */ -unsigned long -timespec_to_jiffies(const struct timespec *value) +static unsigned long +__timespec_to_jiffies(unsigned long sec, long nsec) { - unsigned long sec = value->tv_sec; - long nsec = value->tv_nsec + TICK_NSEC - 1; + nsec = nsec + TICK_NSEC - 1; if (sec >= MAX_SEC_IN_JIFFIES){ sec = MAX_SEC_IN_JIFFIES; @@ -580,6 +583,13 @@ timespec_to_jiffies(const struct timespec *value) (NSEC_JIFFIE_SC - SEC_JIFFIE_SC))) >> SEC_JIFFIE_SC; } + +unsigned long +timespec_to_jiffies(const struct timespec *value) +{ + return __timespec_to_jiffies(value->tv_sec, value->tv_nsec); +} + EXPORT_SYMBOL(timespec_to_jiffies); void @@ -596,31 +606,27 @@ jiffies_to_timespec(const unsigned long jiffies, struct timespec *value) } EXPORT_SYMBOL(jiffies_to_timespec); -/* Same for "timeval" - * - * Well, almost. The problem here is that the real system resolution is - * in nanoseconds and the value being converted is in micro seconds. - * Also for some machines (those that use HZ = 1024, in-particular), - * there is a LARGE error in the tick size in microseconds. - - * The solution we use is to do the rounding AFTER we convert the - * microsecond part. Thus the USEC_ROUND, the bits to be shifted off. - * Instruction wise, this should cost only an additional add with carry - * instruction above the way it was done above. +/* + * We could use a similar algorithm to timespec_to_jiffies (with a + * different multiplier for usec instead of nsec). But this has a + * problem with rounding: we can't exactly add TICK_NSEC - 1 to the + * usec value, since it's not necessarily integral. + * + * We could instead round in the intermediate scaled representation + * (i.e. in units of 1/2^(large scale) jiffies) but that's also + * perilous: the scaling introduces a small positive error, which + * combined with a division-rounding-upward (i.e. adding 2^(scale) - 1 + * units to the intermediate before shifting) leads to accidental + * overflow and overestimates. + * + * At the cost of one additional multiplication by a constant, just + * use the timespec implementation. */ unsigned long timeval_to_jiffies(const struct timeval *value) { - unsigned long sec = value->tv_sec; - long usec = value->tv_usec; - - if (sec >= MAX_SEC_IN_JIFFIES){ - sec = MAX_SEC_IN_JIFFIES; - usec = 0; - } - return (((u64)sec * SEC_CONVERSION) + - (((u64)usec * USEC_CONVERSION + USEC_ROUND) >> - (USEC_JIFFIE_SC - SEC_JIFFIE_SC))) >> SEC_JIFFIE_SC; + return __timespec_to_jiffies(value->tv_sec, + value->tv_usec * NSEC_PER_USEC); } EXPORT_SYMBOL(timeval_to_jiffies); diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index fb4a9c2cf8d..ec1791fae96 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -442,11 +442,12 @@ static void timekeeping_update(struct timekeeper *tk, unsigned int action) tk->ntp_error = 0; ntp_clear(); } - update_vsyscall(tk); - update_pvclock_gtod(tk, action & TK_CLOCK_WAS_SET); tk_update_ktime_data(tk); + update_vsyscall(tk); + update_pvclock_gtod(tk, action & TK_CLOCK_WAS_SET); + if (action & TK_MIRROR) memcpy(&shadow_timekeeper, &tk_core.timekeeper, sizeof(tk_core.timekeeper)); diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index afb04b9b818..b38fb2b9e23 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -626,8 +626,22 @@ int ring_buffer_poll_wait(struct ring_buffer *buffer, int cpu, work = &cpu_buffer->irq_work; } - work->waiters_pending = true; poll_wait(filp, &work->waiters, poll_table); + work->waiters_pending = true; + /* + * There's a tight race between setting the waiters_pending and + * checking if the ring buffer is empty. Once the waiters_pending bit + * is set, the next event will wake the task up, but we can get stuck + * if there's only a single event in. + * + * FIXME: Ideally, we need a memory barrier on the writer side as well, + * but adding a memory barrier to all events will cause too much of a + * performance hit in the fast path. We only need a memory barrier when + * the buffer goes from empty to having content. But as this race is + * extremely small, and it's not a problem if another event comes in, we + * will fix it later. + */ + smp_mb(); if ((cpu == RING_BUFFER_ALL_CPUS && !ring_buffer_empty(buffer)) || (cpu != RING_BUFFER_ALL_CPUS && !ring_buffer_empty_cpu(buffer, cpu))) diff --git a/lib/Kconfig b/lib/Kconfig index a5ce0c7f6c3..54cf309a92a 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -51,6 +51,9 @@ config PERCPU_RWSEM config ARCH_USE_CMPXCHG_LOCKREF bool +config ARCH_HAS_FAST_MULTIPLIER + bool + config CRC_CCITT tristate "CRC-CCITT functions" help diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 07c28323f88..a2859008362 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -892,6 +892,10 @@ config DEBUG_WW_MUTEX_SLOWPATH the full mutex checks enabled with (CONFIG_PROVE_LOCKING) this will test all possible w/w mutex interface abuse with the exception of simply not acquiring all the required locks. + Note that this feature can introduce significant overhead, so + it really should not be enabled in a production or distro kernel, + even a debug kernel. If you are a driver writer, enable it. If + you are a distro, do not. config DEBUG_LOCK_ALLOC bool "Lock debugging: detect incorrect freeing of live locks" @@ -1032,8 +1036,13 @@ config TRACE_IRQFLAGS either tracing or lock debugging. config STACKTRACE - bool + bool "Stack backtrace support" depends on STACKTRACE_SUPPORT + help + This option causes the kernel to create a /proc/pid/stack for + every process, showing its current stack trace. + It is also used by various kernel debugging features that require + stack trace generation. config DEBUG_KOBJECT bool "kobject debugging" diff --git a/lib/assoc_array.c b/lib/assoc_array.c index c0b1007011e..2404d03e251 100644 --- a/lib/assoc_array.c +++ b/lib/assoc_array.c @@ -1723,11 +1723,13 @@ ascend_old_tree: shortcut = assoc_array_ptr_to_shortcut(ptr); slot = shortcut->parent_slot; cursor = shortcut->back_pointer; + if (!cursor) + goto gc_complete; } else { slot = node->parent_slot; cursor = ptr; } - BUG_ON(!ptr); + BUG_ON(!cursor); node = assoc_array_ptr_to_node(cursor); slot++; goto continue_node; @@ -1735,7 +1737,7 @@ ascend_old_tree: gc_complete: edit->set[0].to = new_root; assoc_array_apply_edit(edit); - edit->array->nr_leaves_on_tree = nr_leaves_on_tree; + array->nr_leaves_on_tree = nr_leaves_on_tree; return 0; enomem: diff --git a/lib/hweight.c b/lib/hweight.c index b7d81ba143d..9a5c1f22155 100644 --- a/lib/hweight.c +++ b/lib/hweight.c @@ -11,7 +11,7 @@ unsigned int __sw_hweight32(unsigned int w) { -#ifdef ARCH_HAS_FAST_MULTIPLIER +#ifdef CONFIG_ARCH_HAS_FAST_MULTIPLIER w -= (w >> 1) & 0x55555555; w = (w & 0x33333333) + ((w >> 2) & 0x33333333); w = (w + (w >> 4)) & 0x0f0f0f0f; @@ -49,7 +49,7 @@ unsigned long __sw_hweight64(__u64 w) return __sw_hweight32((unsigned int)(w >> 32)) + __sw_hweight32((unsigned int)w); #elif BITS_PER_LONG == 64 -#ifdef ARCH_HAS_FAST_MULTIPLIER +#ifdef CONFIG_ARCH_HAS_FAST_MULTIPLIER w -= (w >> 1) & 0x5555555555555555ul; w = (w & 0x3333333333333333ul) + ((w >> 2) & 0x3333333333333333ul); w = (w + (w >> 4)) & 0x0f0f0f0f0f0f0f0ful; diff --git a/lib/string.c b/lib/string.c index 992bf30af75..f3c6ff59641 100644 --- a/lib/string.c +++ b/lib/string.c @@ -807,9 +807,9 @@ void *memchr_inv(const void *start, int c, size_t bytes) return check_bytes8(start, value, bytes); value64 = value; -#if defined(ARCH_HAS_FAST_MULTIPLIER) && BITS_PER_LONG == 64 +#if defined(CONFIG_ARCH_HAS_FAST_MULTIPLIER) && BITS_PER_LONG == 64 value64 *= 0x0101010101010101; -#elif defined(ARCH_HAS_FAST_MULTIPLIER) +#elif defined(CONFIG_ARCH_HAS_FAST_MULTIPLIER) value64 *= 0x01010101; value64 |= value64 << 32; #else diff --git a/mm/hugetlb_cgroup.c b/mm/hugetlb_cgroup.c index 9eebfadeeee..a67c26e0f36 100644 --- a/mm/hugetlb_cgroup.c +++ b/mm/hugetlb_cgroup.c @@ -217,7 +217,7 @@ void hugetlb_cgroup_uncharge_page(int idx, unsigned long nr_pages, if (hugetlb_cgroup_disabled()) return; - VM_BUG_ON(!spin_is_locked(&hugetlb_lock)); + lockdep_assert_held(&hugetlb_lock); h_cg = hugetlb_cgroup_from_page(page); if (unlikely(!h_cg)) return; diff --git a/mm/memblock.c b/mm/memblock.c index 6d2f219a48b..6ecb0d937fb 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -192,8 +192,7 @@ phys_addr_t __init_memblock memblock_find_in_range_node(phys_addr_t size, phys_addr_t align, phys_addr_t start, phys_addr_t end, int nid) { - int ret; - phys_addr_t kernel_end; + phys_addr_t kernel_end, ret; /* pump up @end */ if (end == MEMBLOCK_ALLOC_ACCESSIBLE) @@ -817,6 +816,10 @@ void __init_memblock __next_mem_range(u64 *idx, int nid, if (nid != NUMA_NO_NODE && nid != m_nid) continue; + /* skip hotpluggable memory regions if needed */ + if (movable_node_is_enabled() && memblock_is_hotpluggable(m)) + continue; + if (!type_b) { if (out_start) *out_start = m_start; diff --git a/mm/memcontrol.c b/mm/memcontrol.c index ec4dcf1b956..085dc6d2f87 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -2534,6 +2534,8 @@ static int try_charge(struct mem_cgroup *memcg, gfp_t gfp_mask, unsigned long long size; int ret = 0; + if (mem_cgroup_is_root(memcg)) + goto done; retry: if (consume_stock(memcg, nr_pages)) goto done; @@ -2611,9 +2613,7 @@ nomem: if (!(gfp_mask & __GFP_NOFAIL)) return -ENOMEM; bypass: - memcg = root_mem_cgroup; - ret = -EINTR; - goto retry; + return -EINTR; done_restock: if (batch > nr_pages) @@ -2626,6 +2626,9 @@ static void cancel_charge(struct mem_cgroup *memcg, unsigned int nr_pages) { unsigned long bytes = nr_pages * PAGE_SIZE; + if (mem_cgroup_is_root(memcg)) + return; + res_counter_uncharge(&memcg->res, bytes); if (do_swap_account) res_counter_uncharge(&memcg->memsw, bytes); @@ -2640,6 +2643,9 @@ static void __mem_cgroup_cancel_local_charge(struct mem_cgroup *memcg, { unsigned long bytes = nr_pages * PAGE_SIZE; + if (mem_cgroup_is_root(memcg)) + return; + res_counter_uncharge_until(&memcg->res, memcg->res.parent, bytes); if (do_swap_account) res_counter_uncharge_until(&memcg->memsw, @@ -4093,6 +4099,46 @@ out: return retval; } +static unsigned long mem_cgroup_recursive_stat(struct mem_cgroup *memcg, + enum mem_cgroup_stat_index idx) +{ + struct mem_cgroup *iter; + long val = 0; + + /* Per-cpu values can be negative, use a signed accumulator */ + for_each_mem_cgroup_tree(iter, memcg) + val += mem_cgroup_read_stat(iter, idx); + + if (val < 0) /* race ? */ + val = 0; + return val; +} + +static inline u64 mem_cgroup_usage(struct mem_cgroup *memcg, bool swap) +{ + u64 val; + + if (!mem_cgroup_is_root(memcg)) { + if (!swap) + return res_counter_read_u64(&memcg->res, RES_USAGE); + else + return res_counter_read_u64(&memcg->memsw, RES_USAGE); + } + + /* + * Transparent hugepages are still accounted for in MEM_CGROUP_STAT_RSS + * as well as in MEM_CGROUP_STAT_RSS_HUGE. + */ + val = mem_cgroup_recursive_stat(memcg, MEM_CGROUP_STAT_CACHE); + val += mem_cgroup_recursive_stat(memcg, MEM_CGROUP_STAT_RSS); + + if (swap) + val += mem_cgroup_recursive_stat(memcg, MEM_CGROUP_STAT_SWAP); + + return val << PAGE_SHIFT; +} + + static u64 mem_cgroup_read_u64(struct cgroup_subsys_state *css, struct cftype *cft) { @@ -4102,8 +4148,12 @@ static u64 mem_cgroup_read_u64(struct cgroup_subsys_state *css, switch (type) { case _MEM: + if (name == RES_USAGE) + return mem_cgroup_usage(memcg, false); return res_counter_read_u64(&memcg->res, name); case _MEMSWAP: + if (name == RES_USAGE) + return mem_cgroup_usage(memcg, true); return res_counter_read_u64(&memcg->memsw, name); case _KMEM: return res_counter_read_u64(&memcg->kmem, name); @@ -4572,10 +4622,7 @@ static void __mem_cgroup_threshold(struct mem_cgroup *memcg, bool swap) if (!t) goto unlock; - if (!swap) - usage = res_counter_read_u64(&memcg->res, RES_USAGE); - else - usage = res_counter_read_u64(&memcg->memsw, RES_USAGE); + usage = mem_cgroup_usage(memcg, swap); /* * current_threshold points to threshold just below or equal to usage. @@ -4673,10 +4720,10 @@ static int __mem_cgroup_usage_register_event(struct mem_cgroup *memcg, if (type == _MEM) { thresholds = &memcg->thresholds; - usage = res_counter_read_u64(&memcg->res, RES_USAGE); + usage = mem_cgroup_usage(memcg, false); } else if (type == _MEMSWAP) { thresholds = &memcg->memsw_thresholds; - usage = res_counter_read_u64(&memcg->memsw, RES_USAGE); + usage = mem_cgroup_usage(memcg, true); } else BUG(); @@ -4762,10 +4809,10 @@ static void __mem_cgroup_usage_unregister_event(struct mem_cgroup *memcg, if (type == _MEM) { thresholds = &memcg->thresholds; - usage = res_counter_read_u64(&memcg->res, RES_USAGE); + usage = mem_cgroup_usage(memcg, false); } else if (type == _MEMSWAP) { thresholds = &memcg->memsw_thresholds; - usage = res_counter_read_u64(&memcg->memsw, RES_USAGE); + usage = mem_cgroup_usage(memcg, true); } else BUG(); @@ -5525,9 +5572,9 @@ mem_cgroup_css_online(struct cgroup_subsys_state *css) * core guarantees its existence. */ } else { - res_counter_init(&memcg->res, &root_mem_cgroup->res); - res_counter_init(&memcg->memsw, &root_mem_cgroup->memsw); - res_counter_init(&memcg->kmem, &root_mem_cgroup->kmem); + res_counter_init(&memcg->res, NULL); + res_counter_init(&memcg->memsw, NULL); + res_counter_init(&memcg->kmem, NULL); /* * Deeper hierachy with use_hierarchy == false doesn't make * much sense so let cgroup subsystem know about this @@ -5969,8 +6016,9 @@ static void __mem_cgroup_clear_mc(void) /* we must fixup refcnts and charges */ if (mc.moved_swap) { /* uncharge swap account from the old cgroup */ - res_counter_uncharge(&mc.from->memsw, - PAGE_SIZE * mc.moved_swap); + if (!mem_cgroup_is_root(mc.from)) + res_counter_uncharge(&mc.from->memsw, + PAGE_SIZE * mc.moved_swap); for (i = 0; i < mc.moved_swap; i++) css_put(&mc.from->css); @@ -5979,8 +6027,9 @@ static void __mem_cgroup_clear_mc(void) * we charged both to->res and to->memsw, so we should * uncharge to->res. */ - res_counter_uncharge(&mc.to->res, - PAGE_SIZE * mc.moved_swap); + if (!mem_cgroup_is_root(mc.to)) + res_counter_uncharge(&mc.to->res, + PAGE_SIZE * mc.moved_swap); /* we've already done css_get(mc.to) */ mc.moved_swap = 0; } @@ -6345,7 +6394,8 @@ void mem_cgroup_uncharge_swap(swp_entry_t entry) rcu_read_lock(); memcg = mem_cgroup_lookup(id); if (memcg) { - res_counter_uncharge(&memcg->memsw, PAGE_SIZE); + if (!mem_cgroup_is_root(memcg)) + res_counter_uncharge(&memcg->memsw, PAGE_SIZE); mem_cgroup_swap_statistics(memcg, false); css_put(&memcg->css); } @@ -6509,12 +6559,15 @@ static void uncharge_batch(struct mem_cgroup *memcg, unsigned long pgpgout, { unsigned long flags; - if (nr_mem) - res_counter_uncharge(&memcg->res, nr_mem * PAGE_SIZE); - if (nr_memsw) - res_counter_uncharge(&memcg->memsw, nr_memsw * PAGE_SIZE); - - memcg_oom_recover(memcg); + if (!mem_cgroup_is_root(memcg)) { + if (nr_mem) + res_counter_uncharge(&memcg->res, + nr_mem * PAGE_SIZE); + if (nr_memsw) + res_counter_uncharge(&memcg->memsw, + nr_memsw * PAGE_SIZE); + memcg_oom_recover(memcg); + } local_irq_save(flags); __this_cpu_sub(memcg->stat->count[MEM_CGROUP_STAT_RSS], nr_anon); diff --git a/mm/memory.c b/mm/memory.c index ab3537bcfed..adeac306610 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -751,7 +751,7 @@ struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn = pte_pfn(pte); if (HAVE_PTE_SPECIAL) { - if (likely(!pte_special(pte) || pte_numa(pte))) + if (likely(!pte_special(pte))) goto check_pfn; if (vma->vm_flags & (VM_PFNMAP | VM_MIXEDMAP)) return NULL; @@ -777,15 +777,14 @@ struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr, } } + if (is_zero_pfn(pfn)) + return NULL; check_pfn: if (unlikely(pfn > highest_memmap_pfn)) { print_bad_pte(vma, addr, pte, NULL); return NULL; } - if (is_zero_pfn(pfn)) - return NULL; - /* * NOTE! We still have PageReserved() pages in the page tables. * eg. VDSO mappings can cause them to exist. diff --git a/mm/mmap.c b/mm/mmap.c index c1f2ea4a0b9..c0a3637cdb6 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -369,20 +369,20 @@ static int browse_rb(struct rb_root *root) struct vm_area_struct *vma; vma = rb_entry(nd, struct vm_area_struct, vm_rb); if (vma->vm_start < prev) { - pr_info("vm_start %lx prev %lx\n", vma->vm_start, prev); + pr_emerg("vm_start %lx prev %lx\n", vma->vm_start, prev); bug = 1; } if (vma->vm_start < pend) { - pr_info("vm_start %lx pend %lx\n", vma->vm_start, pend); + pr_emerg("vm_start %lx pend %lx\n", vma->vm_start, pend); bug = 1; } if (vma->vm_start > vma->vm_end) { - pr_info("vm_end %lx < vm_start %lx\n", + pr_emerg("vm_end %lx < vm_start %lx\n", vma->vm_end, vma->vm_start); bug = 1; } if (vma->rb_subtree_gap != vma_compute_subtree_gap(vma)) { - pr_info("free gap %lx, correct %lx\n", + pr_emerg("free gap %lx, correct %lx\n", vma->rb_subtree_gap, vma_compute_subtree_gap(vma)); bug = 1; @@ -396,7 +396,7 @@ static int browse_rb(struct rb_root *root) for (nd = pn; nd; nd = rb_prev(nd)) j++; if (i != j) { - pr_info("backwards %d, forwards %d\n", j, i); + pr_emerg("backwards %d, forwards %d\n", j, i); bug = 1; } return bug ? -1 : i; @@ -431,17 +431,17 @@ static void validate_mm(struct mm_struct *mm) i++; } if (i != mm->map_count) { - pr_info("map_count %d vm_next %d\n", mm->map_count, i); + pr_emerg("map_count %d vm_next %d\n", mm->map_count, i); bug = 1; } if (highest_address != mm->highest_vm_end) { - pr_info("mm->highest_vm_end %lx, found %lx\n", + pr_emerg("mm->highest_vm_end %lx, found %lx\n", mm->highest_vm_end, highest_address); bug = 1; } i = browse_rb(&mm->mm_rb); if (i != mm->map_count) { - pr_info("map_count %d rb %d\n", mm->map_count, i); + pr_emerg("map_count %d rb %d\n", mm->map_count, i); bug = 1; } BUG_ON(bug); diff --git a/mm/nobootmem.c b/mm/nobootmem.c index 7ed58602e71..7c7ab32ee50 100644 --- a/mm/nobootmem.c +++ b/mm/nobootmem.c @@ -119,6 +119,8 @@ static unsigned long __init free_low_memory_core_early(void) phys_addr_t start, end; u64 i; + memblock_clear_hotplug(0, -1); + for_each_free_mem_range(i, NUMA_NO_NODE, &start, &end, NULL) count += __free_memory_core(start, end); diff --git a/mm/percpu-vm.c b/mm/percpu-vm.c index 3707c71ae4c..51108165f82 100644 --- a/mm/percpu-vm.c +++ b/mm/percpu-vm.c @@ -108,7 +108,7 @@ static int pcpu_alloc_pages(struct pcpu_chunk *chunk, int page_start, int page_end) { const gfp_t gfp = GFP_KERNEL | __GFP_HIGHMEM | __GFP_COLD; - unsigned int cpu; + unsigned int cpu, tcpu; int i; for_each_possible_cpu(cpu) { @@ -116,14 +116,23 @@ static int pcpu_alloc_pages(struct pcpu_chunk *chunk, struct page **pagep = &pages[pcpu_page_idx(cpu, i)]; *pagep = alloc_pages_node(cpu_to_node(cpu), gfp, 0); - if (!*pagep) { - pcpu_free_pages(chunk, pages, populated, - page_start, page_end); - return -ENOMEM; - } + if (!*pagep) + goto err; } } return 0; + +err: + while (--i >= page_start) + __free_page(pages[pcpu_page_idx(cpu, i)]); + + for_each_possible_cpu(tcpu) { + if (tcpu == cpu) + break; + for (i = page_start; i < page_end; i++) + __free_page(pages[pcpu_page_idx(tcpu, i)]); + } + return -ENOMEM; } /** @@ -263,6 +272,7 @@ err: __pcpu_unmap_pages(pcpu_chunk_addr(chunk, tcpu, page_start), page_end - page_start); } + pcpu_post_unmap_tlb_flush(chunk, page_start, page_end); return err; } diff --git a/mm/percpu.c b/mm/percpu.c index 2139e30a4b4..da997f9800b 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -1932,6 +1932,8 @@ void __init setup_per_cpu_areas(void) if (pcpu_setup_first_chunk(ai, fc) < 0) panic("Failed to initialize percpu areas."); + + pcpu_free_alloc_info(ai); } #endif /* CONFIG_SMP */ diff --git a/mm/pgtable-generic.c b/mm/pgtable-generic.c index a8b91992593..dfb79e028ec 100644 --- a/mm/pgtable-generic.c +++ b/mm/pgtable-generic.c @@ -195,7 +195,7 @@ void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address, pmd_t entry = *pmdp; if (pmd_numa(entry)) entry = pmd_mknonnuma(entry); - set_pmd_at(vma->vm_mm, address, pmdp, pmd_mknotpresent(*pmdp)); + set_pmd_at(vma->vm_mm, address, pmdp, pmd_mknotpresent(entry)); flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE); } #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ diff --git a/mm/zbud.c b/mm/zbud.c index a05790b1915..f26e7fcc7fa 100644 --- a/mm/zbud.c +++ b/mm/zbud.c @@ -195,6 +195,7 @@ static struct zpool_driver zbud_zpool_driver = { .total_size = zbud_zpool_total_size, }; +MODULE_ALIAS("zpool-zbud"); #endif /* CONFIG_ZPOOL */ /***************** diff --git a/mm/zpool.c b/mm/zpool.c index e40612a1df0..739cdf0d183 100644 --- a/mm/zpool.c +++ b/mm/zpool.c @@ -150,7 +150,7 @@ struct zpool *zpool_create_pool(char *type, gfp_t gfp, struct zpool_ops *ops) driver = zpool_get_driver(type); if (!driver) { - request_module(type); + request_module("zpool-%s", type); driver = zpool_get_driver(type); } diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 4e2fc83cb39..94f38fac5e8 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -315,6 +315,7 @@ static struct zpool_driver zs_zpool_driver = { .total_size = zs_zpool_total_size, }; +MODULE_ALIAS("zpool-zsmalloc"); #endif /* CONFIG_ZPOOL */ /* per-cpu VM mapping areas for zspage accesses that cross page boundaries */ diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index b50dabb3f86..faff6247ac8 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -589,6 +589,14 @@ EXPORT_SYMBOL(hci_get_route); void hci_le_conn_failed(struct hci_conn *conn, u8 status) { struct hci_dev *hdev = conn->hdev; + struct hci_conn_params *params; + + params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst, + conn->dst_type); + if (params && params->conn) { + hci_conn_drop(params->conn); + params->conn = NULL; + } conn->state = BT_CLOSED; diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index c32d361c0cf..1d9c29a0056 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -2536,8 +2536,13 @@ static void hci_pend_le_actions_clear(struct hci_dev *hdev) { struct hci_conn_params *p; - list_for_each_entry(p, &hdev->le_conn_params, list) + list_for_each_entry(p, &hdev->le_conn_params, list) { + if (p->conn) { + hci_conn_drop(p->conn); + p->conn = NULL; + } list_del_init(&p->action); + } BT_DBG("All LE pending actions cleared"); } @@ -2578,8 +2583,8 @@ static int hci_dev_do_close(struct hci_dev *hdev) hci_dev_lock(hdev); hci_inquiry_cache_flush(hdev); - hci_conn_hash_flush(hdev); hci_pend_le_actions_clear(hdev); + hci_conn_hash_flush(hdev); hci_dev_unlock(hdev); hci_notify(hdev, HCI_DEV_DOWN); @@ -3727,6 +3732,9 @@ void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type) if (!params) return; + if (params->conn) + hci_conn_drop(params->conn); + list_del(¶ms->action); list_del(¶ms->list); kfree(params); @@ -3757,6 +3765,8 @@ void hci_conn_params_clear_all(struct hci_dev *hdev) struct hci_conn_params *params, *tmp; list_for_each_entry_safe(params, tmp, &hdev->le_conn_params, list) { + if (params->conn) + hci_conn_drop(params->conn); list_del(¶ms->action); list_del(¶ms->list); kfree(params); diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index be35598984d..a6000823f0f 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -4221,8 +4221,13 @@ static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) hci_proto_connect_cfm(conn, ev->status); params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type); - if (params) + if (params) { list_del_init(¶ms->action); + if (params->conn) { + hci_conn_drop(params->conn); + params->conn = NULL; + } + } unlock: hci_update_background_scan(hdev); @@ -4304,8 +4309,16 @@ static void check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr, conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW, HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER); - if (!IS_ERR(conn)) + if (!IS_ERR(conn)) { + /* Store the pointer since we don't really have any + * other owner of the object besides the params that + * triggered it. This way we can abort the connection if + * the parameters get removed and keep the reference + * count consistent once the connection is established. + */ + params->conn = conn; return; + } switch (PTR_ERR(conn)) { case -EBUSY: diff --git a/net/ceph/auth_x.c b/net/ceph/auth_x.c index 96238ba95f2..de6662b14e1 100644 --- a/net/ceph/auth_x.c +++ b/net/ceph/auth_x.c @@ -13,8 +13,6 @@ #include "auth_x.h" #include "auth_x_protocol.h" -#define TEMP_TICKET_BUF_LEN 256 - static void ceph_x_validate_tickets(struct ceph_auth_client *ac, int *pneed); static int ceph_x_is_authenticated(struct ceph_auth_client *ac) @@ -64,7 +62,7 @@ static int ceph_x_encrypt(struct ceph_crypto_key *secret, } static int ceph_x_decrypt(struct ceph_crypto_key *secret, - void **p, void *end, void *obuf, size_t olen) + void **p, void *end, void **obuf, size_t olen) { struct ceph_x_encrypt_header head; size_t head_len = sizeof(head); @@ -75,8 +73,14 @@ static int ceph_x_decrypt(struct ceph_crypto_key *secret, return -EINVAL; dout("ceph_x_decrypt len %d\n", len); - ret = ceph_decrypt2(secret, &head, &head_len, obuf, &olen, - *p, len); + if (*obuf == NULL) { + *obuf = kmalloc(len, GFP_NOFS); + if (!*obuf) + return -ENOMEM; + olen = len; + } + + ret = ceph_decrypt2(secret, &head, &head_len, *obuf, &olen, *p, len); if (ret) return ret; if (head.struct_v != 1 || le64_to_cpu(head.magic) != CEPHX_ENC_MAGIC) @@ -129,139 +133,120 @@ static void remove_ticket_handler(struct ceph_auth_client *ac, kfree(th); } -static int ceph_x_proc_ticket_reply(struct ceph_auth_client *ac, - struct ceph_crypto_key *secret, - void *buf, void *end) +static int process_one_ticket(struct ceph_auth_client *ac, + struct ceph_crypto_key *secret, + void **p, void *end) { struct ceph_x_info *xi = ac->private; - int num; - void *p = buf; + int type; + u8 tkt_struct_v, blob_struct_v; + struct ceph_x_ticket_handler *th; + void *dbuf = NULL; + void *dp, *dend; + int dlen; + char is_enc; + struct timespec validity; + struct ceph_crypto_key old_key; + void *ticket_buf = NULL; + void *tp, *tpend; + struct ceph_timespec new_validity; + struct ceph_crypto_key new_session_key; + struct ceph_buffer *new_ticket_blob; + unsigned long new_expires, new_renew_after; + u64 new_secret_id; int ret; - char *dbuf; - char *ticket_buf; - u8 reply_struct_v; - dbuf = kmalloc(TEMP_TICKET_BUF_LEN, GFP_NOFS); - if (!dbuf) - return -ENOMEM; + ceph_decode_need(p, end, sizeof(u32) + 1, bad); - ret = -ENOMEM; - ticket_buf = kmalloc(TEMP_TICKET_BUF_LEN, GFP_NOFS); - if (!ticket_buf) - goto out_dbuf; + type = ceph_decode_32(p); + dout(" ticket type %d %s\n", type, ceph_entity_type_name(type)); - ceph_decode_need(&p, end, 1 + sizeof(u32), bad); - reply_struct_v = ceph_decode_8(&p); - if (reply_struct_v != 1) + tkt_struct_v = ceph_decode_8(p); + if (tkt_struct_v != 1) goto bad; - num = ceph_decode_32(&p); - dout("%d tickets\n", num); - while (num--) { - int type; - u8 tkt_struct_v, blob_struct_v; - struct ceph_x_ticket_handler *th; - void *dp, *dend; - int dlen; - char is_enc; - struct timespec validity; - struct ceph_crypto_key old_key; - void *tp, *tpend; - struct ceph_timespec new_validity; - struct ceph_crypto_key new_session_key; - struct ceph_buffer *new_ticket_blob; - unsigned long new_expires, new_renew_after; - u64 new_secret_id; - - ceph_decode_need(&p, end, sizeof(u32) + 1, bad); - - type = ceph_decode_32(&p); - dout(" ticket type %d %s\n", type, ceph_entity_type_name(type)); - - tkt_struct_v = ceph_decode_8(&p); - if (tkt_struct_v != 1) - goto bad; - - th = get_ticket_handler(ac, type); - if (IS_ERR(th)) { - ret = PTR_ERR(th); - goto out; - } - /* blob for me */ - dlen = ceph_x_decrypt(secret, &p, end, dbuf, - TEMP_TICKET_BUF_LEN); - if (dlen <= 0) { - ret = dlen; - goto out; - } - dout(" decrypted %d bytes\n", dlen); - dend = dbuf + dlen; - dp = dbuf; + th = get_ticket_handler(ac, type); + if (IS_ERR(th)) { + ret = PTR_ERR(th); + goto out; + } - tkt_struct_v = ceph_decode_8(&dp); - if (tkt_struct_v != 1) - goto bad; + /* blob for me */ + dlen = ceph_x_decrypt(secret, p, end, &dbuf, 0); + if (dlen <= 0) { + ret = dlen; + goto out; + } + dout(" decrypted %d bytes\n", dlen); + dp = dbuf; + dend = dp + dlen; - memcpy(&old_key, &th->session_key, sizeof(old_key)); - ret = ceph_crypto_key_decode(&new_session_key, &dp, dend); - if (ret) - goto out; + tkt_struct_v = ceph_decode_8(&dp); + if (tkt_struct_v != 1) + goto bad; - ceph_decode_copy(&dp, &new_validity, sizeof(new_validity)); - ceph_decode_timespec(&validity, &new_validity); - new_expires = get_seconds() + validity.tv_sec; - new_renew_after = new_expires - (validity.tv_sec / 4); - dout(" expires=%lu renew_after=%lu\n", new_expires, - new_renew_after); + memcpy(&old_key, &th->session_key, sizeof(old_key)); + ret = ceph_crypto_key_decode(&new_session_key, &dp, dend); + if (ret) + goto out; - /* ticket blob for service */ - ceph_decode_8_safe(&p, end, is_enc, bad); - tp = ticket_buf; - if (is_enc) { - /* encrypted */ - dout(" encrypted ticket\n"); - dlen = ceph_x_decrypt(&old_key, &p, end, ticket_buf, - TEMP_TICKET_BUF_LEN); - if (dlen < 0) { - ret = dlen; - goto out; - } - dlen = ceph_decode_32(&tp); - } else { - /* unencrypted */ - ceph_decode_32_safe(&p, end, dlen, bad); - ceph_decode_need(&p, end, dlen, bad); - ceph_decode_copy(&p, ticket_buf, dlen); + ceph_decode_copy(&dp, &new_validity, sizeof(new_validity)); + ceph_decode_timespec(&validity, &new_validity); + new_expires = get_seconds() + validity.tv_sec; + new_renew_after = new_expires - (validity.tv_sec / 4); + dout(" expires=%lu renew_after=%lu\n", new_expires, + new_renew_after); + + /* ticket blob for service */ + ceph_decode_8_safe(p, end, is_enc, bad); + if (is_enc) { + /* encrypted */ + dout(" encrypted ticket\n"); + dlen = ceph_x_decrypt(&old_key, p, end, &ticket_buf, 0); + if (dlen < 0) { + ret = dlen; + goto out; } - tpend = tp + dlen; - dout(" ticket blob is %d bytes\n", dlen); - ceph_decode_need(&tp, tpend, 1 + sizeof(u64), bad); - blob_struct_v = ceph_decode_8(&tp); - new_secret_id = ceph_decode_64(&tp); - ret = ceph_decode_buffer(&new_ticket_blob, &tp, tpend); - if (ret) + tp = ticket_buf; + dlen = ceph_decode_32(&tp); + } else { + /* unencrypted */ + ceph_decode_32_safe(p, end, dlen, bad); + ticket_buf = kmalloc(dlen, GFP_NOFS); + if (!ticket_buf) { + ret = -ENOMEM; goto out; - - /* all is well, update our ticket */ - ceph_crypto_key_destroy(&th->session_key); - if (th->ticket_blob) - ceph_buffer_put(th->ticket_blob); - th->session_key = new_session_key; - th->ticket_blob = new_ticket_blob; - th->validity = new_validity; - th->secret_id = new_secret_id; - th->expires = new_expires; - th->renew_after = new_renew_after; - dout(" got ticket service %d (%s) secret_id %lld len %d\n", - type, ceph_entity_type_name(type), th->secret_id, - (int)th->ticket_blob->vec.iov_len); - xi->have_keys |= th->service; + } + tp = ticket_buf; + ceph_decode_need(p, end, dlen, bad); + ceph_decode_copy(p, ticket_buf, dlen); } + tpend = tp + dlen; + dout(" ticket blob is %d bytes\n", dlen); + ceph_decode_need(&tp, tpend, 1 + sizeof(u64), bad); + blob_struct_v = ceph_decode_8(&tp); + new_secret_id = ceph_decode_64(&tp); + ret = ceph_decode_buffer(&new_ticket_blob, &tp, tpend); + if (ret) + goto out; + + /* all is well, update our ticket */ + ceph_crypto_key_destroy(&th->session_key); + if (th->ticket_blob) + ceph_buffer_put(th->ticket_blob); + th->session_key = new_session_key; + th->ticket_blob = new_ticket_blob; + th->validity = new_validity; + th->secret_id = new_secret_id; + th->expires = new_expires; + th->renew_after = new_renew_after; + dout(" got ticket service %d (%s) secret_id %lld len %d\n", + type, ceph_entity_type_name(type), th->secret_id, + (int)th->ticket_blob->vec.iov_len); + xi->have_keys |= th->service; - ret = 0; out: kfree(ticket_buf); -out_dbuf: kfree(dbuf); return ret; @@ -270,6 +255,34 @@ bad: goto out; } +static int ceph_x_proc_ticket_reply(struct ceph_auth_client *ac, + struct ceph_crypto_key *secret, + void *buf, void *end) +{ + void *p = buf; + u8 reply_struct_v; + u32 num; + int ret; + + ceph_decode_8_safe(&p, end, reply_struct_v, bad); + if (reply_struct_v != 1) + return -EINVAL; + + ceph_decode_32_safe(&p, end, num, bad); + dout("%d tickets\n", num); + + while (num--) { + ret = process_one_ticket(ac, secret, &p, end); + if (ret) + return ret; + } + + return 0; + +bad: + return -EINVAL; +} + static int ceph_x_build_authorizer(struct ceph_auth_client *ac, struct ceph_x_ticket_handler *th, struct ceph_x_authorizer *au) @@ -583,13 +596,14 @@ static int ceph_x_verify_authorizer_reply(struct ceph_auth_client *ac, struct ceph_x_ticket_handler *th; int ret = 0; struct ceph_x_authorize_reply reply; + void *preply = &reply; void *p = au->reply_buf; void *end = p + sizeof(au->reply_buf); th = get_ticket_handler(ac, au->service); if (IS_ERR(th)) return PTR_ERR(th); - ret = ceph_x_decrypt(&th->session_key, &p, end, &reply, sizeof(reply)); + ret = ceph_x_decrypt(&th->session_key, &p, end, &preply, sizeof(reply)); if (ret < 0) return ret; if (ret != sizeof(reply)) diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c index 067d3af2eaf..61fcfc304f6 100644 --- a/net/ceph/mon_client.c +++ b/net/ceph/mon_client.c @@ -1181,7 +1181,15 @@ static struct ceph_msg *mon_alloc_msg(struct ceph_connection *con, if (!m) { pr_info("alloc_msg unknown type %d\n", type); *skip = 1; + } else if (front_len > m->front_alloc_len) { + pr_warning("mon_alloc_msg front %d > prealloc %d (%u#%llu)\n", + front_len, m->front_alloc_len, + (unsigned int)con->peer_name.type, + le64_to_cpu(con->peer_name.num)); + ceph_msg_put(m); + m = ceph_msg_new(type, front_len, GFP_NOFS, false); } + return m; } diff --git a/net/core/datagram.c b/net/core/datagram.c index 488dd1a825c..fdbc9a81d4c 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -775,7 +775,7 @@ __sum16 __skb_checksum_complete(struct sk_buff *skb) EXPORT_SYMBOL(__skb_checksum_complete); /** - * skb_copy_and_csum_datagram_iovec - Copy and checkum skb to user iovec. + * skb_copy_and_csum_datagram_iovec - Copy and checksum skb to user iovec. * @skb: skbuff * @hlen: hardware length * @iov: io vector diff --git a/net/core/dev.c b/net/core/dev.c index b65a5051361..ab9a16530c3 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2587,13 +2587,19 @@ netdev_features_t netif_skb_features(struct sk_buff *skb) return harmonize_features(skb, features); } - features &= (skb->dev->vlan_features | NETIF_F_HW_VLAN_CTAG_TX | - NETIF_F_HW_VLAN_STAG_TX); + features = netdev_intersect_features(features, + skb->dev->vlan_features | + NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_STAG_TX); if (protocol == htons(ETH_P_8021Q) || protocol == htons(ETH_P_8021AD)) - features &= NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | - NETIF_F_GEN_CSUM | NETIF_F_HW_VLAN_CTAG_TX | - NETIF_F_HW_VLAN_STAG_TX; + features = netdev_intersect_features(features, + NETIF_F_SG | + NETIF_F_HIGHDMA | + NETIF_F_FRAGLIST | + NETIF_F_GEN_CSUM | + NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_STAG_TX); return harmonize_features(skb, features); } @@ -4889,7 +4895,8 @@ static void __netdev_adjacent_dev_remove(struct net_device *dev, if (adj->master) sysfs_remove_link(&(dev->dev.kobj), "master"); - if (netdev_adjacent_is_neigh_list(dev, dev_list)) + if (netdev_adjacent_is_neigh_list(dev, dev_list) && + net_eq(dev_net(dev),dev_net(adj_dev))) netdev_adjacent_sysfs_del(dev, adj_dev->name, dev_list); list_del_rcu(&adj->list); @@ -5159,11 +5166,65 @@ void netdev_upper_dev_unlink(struct net_device *dev, } EXPORT_SYMBOL(netdev_upper_dev_unlink); +void netdev_adjacent_add_links(struct net_device *dev) +{ + struct netdev_adjacent *iter; + + struct net *net = dev_net(dev); + + list_for_each_entry(iter, &dev->adj_list.upper, list) { + if (!net_eq(net,dev_net(iter->dev))) + continue; + netdev_adjacent_sysfs_add(iter->dev, dev, + &iter->dev->adj_list.lower); + netdev_adjacent_sysfs_add(dev, iter->dev, + &dev->adj_list.upper); + } + + list_for_each_entry(iter, &dev->adj_list.lower, list) { + if (!net_eq(net,dev_net(iter->dev))) + continue; + netdev_adjacent_sysfs_add(iter->dev, dev, + &iter->dev->adj_list.upper); + netdev_adjacent_sysfs_add(dev, iter->dev, + &dev->adj_list.lower); + } +} + +void netdev_adjacent_del_links(struct net_device *dev) +{ + struct netdev_adjacent *iter; + + struct net *net = dev_net(dev); + + list_for_each_entry(iter, &dev->adj_list.upper, list) { + if (!net_eq(net,dev_net(iter->dev))) + continue; + netdev_adjacent_sysfs_del(iter->dev, dev->name, + &iter->dev->adj_list.lower); + netdev_adjacent_sysfs_del(dev, iter->dev->name, + &dev->adj_list.upper); + } + + list_for_each_entry(iter, &dev->adj_list.lower, list) { + if (!net_eq(net,dev_net(iter->dev))) + continue; + netdev_adjacent_sysfs_del(iter->dev, dev->name, + &iter->dev->adj_list.upper); + netdev_adjacent_sysfs_del(dev, iter->dev->name, + &dev->adj_list.lower); + } +} + void netdev_adjacent_rename_links(struct net_device *dev, char *oldname) { struct netdev_adjacent *iter; + struct net *net = dev_net(dev); + list_for_each_entry(iter, &dev->adj_list.upper, list) { + if (!net_eq(net,dev_net(iter->dev))) + continue; netdev_adjacent_sysfs_del(iter->dev, oldname, &iter->dev->adj_list.lower); netdev_adjacent_sysfs_add(iter->dev, dev, @@ -5171,6 +5232,8 @@ void netdev_adjacent_rename_links(struct net_device *dev, char *oldname) } list_for_each_entry(iter, &dev->adj_list.lower, list) { + if (!net_eq(net,dev_net(iter->dev))) + continue; netdev_adjacent_sysfs_del(iter->dev, oldname, &iter->dev->adj_list.upper); netdev_adjacent_sysfs_add(iter->dev, dev, @@ -6773,6 +6836,7 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char /* Send a netdev-removed uevent to the old namespace */ kobject_uevent(&dev->dev.kobj, KOBJ_REMOVE); + netdev_adjacent_del_links(dev); /* Actually switch the network namespace */ dev_net_set(dev, net); @@ -6787,6 +6851,7 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char /* Send a netdev-add uevent to the new namespace */ kobject_uevent(&dev->dev.kobj, KOBJ_ADD); + netdev_adjacent_add_links(dev); /* Fixup kobjects */ err = device_rename(&dev->dev, dev->name); diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c index 6b5b6e7013c..9d33dfffca1 100644 --- a/net/core/gen_estimator.c +++ b/net/core/gen_estimator.c @@ -197,7 +197,7 @@ struct gen_estimator *gen_find_node(const struct gnet_stats_basic_packed *bstats * as destination. A new timer with the interval specified in the * configuration TLV is created. Upon each interval, the latest statistics * will be read from &bstats and the estimated rate will be stored in - * &rate_est with the statistics lock grabed during this period. + * &rate_est with the statistics lock grabbed during this period. * * Returns 0 on success or a negative error code. * diff --git a/net/core/gen_stats.c b/net/core/gen_stats.c index 9d3d9e78397..2ddbce4cce1 100644 --- a/net/core/gen_stats.c +++ b/net/core/gen_stats.c @@ -206,7 +206,7 @@ EXPORT_SYMBOL(gnet_stats_copy_queue); * @st: application specific statistics data * @len: length of data * - * Appends the application sepecific statistics to the top level TLV created by + * Appends the application specific statistics to the top level TLV created by * gnet_stats_start_copy() and remembers the data for XSTATS if the dumping * handle is in backward compatibility mode. * diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 163b673f9e6..da1378a3e2c 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -2647,7 +2647,7 @@ EXPORT_SYMBOL(skb_prepare_seq_read); * skb_seq_read() will return the remaining part of the block. * * Note 1: The size of each block of data returned can be arbitrary, - * this limitation is the cost for zerocopy seqeuental + * this limitation is the cost for zerocopy sequential * reads of potentially non linear data. * * Note 2: Fragment lists within fragments are not implemented @@ -2781,7 +2781,7 @@ EXPORT_SYMBOL(skb_find_text); /** * skb_append_datato_frags - append the user data to a skb * @sk: sock structure - * @skb: skb structure to be appened with user data. + * @skb: skb structure to be appended with user data. * @getfrag: call back function to be used for getting the user data * @from: pointer to user message iov * @length: length of the iov message diff --git a/net/core/sock.c b/net/core/sock.c index 2714811afbd..d372b4bd3f9 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -166,7 +166,7 @@ EXPORT_SYMBOL(sk_ns_capable); /** * sk_capable - Socket global capability test * @sk: Socket to use a capability on or through - * @cap: The global capbility to use + * @cap: The global capability to use * * Test to see if the opener of the socket had when the socket was * created and the current process has the capability @cap in all user @@ -183,7 +183,7 @@ EXPORT_SYMBOL(sk_capable); * @sk: Socket to use a capability on or through * @cap: The capability to use * - * Test to see if the opener of the socket had when the socke was created + * Test to see if the opener of the socket had when the socket was created * and the current process has the capability @cap over the network namespace * the socket is a member of. */ @@ -1822,6 +1822,9 @@ struct sk_buff *sock_alloc_send_pskb(struct sock *sk, unsigned long header_len, order); if (page) goto fill_page; + /* Do not retry other high order allocations */ + order = 1; + max_page_order = 0; } order--; } @@ -1869,10 +1872,8 @@ EXPORT_SYMBOL(sock_alloc_send_skb); * no guarantee that allocations succeed. Therefore, @sz MUST be * less or equal than PAGE_SIZE. */ -bool skb_page_frag_refill(unsigned int sz, struct page_frag *pfrag, gfp_t prio) +bool skb_page_frag_refill(unsigned int sz, struct page_frag *pfrag, gfp_t gfp) { - int order; - if (pfrag->page) { if (atomic_read(&pfrag->page->_count) == 1) { pfrag->offset = 0; @@ -1883,20 +1884,21 @@ bool skb_page_frag_refill(unsigned int sz, struct page_frag *pfrag, gfp_t prio) put_page(pfrag->page); } - order = SKB_FRAG_PAGE_ORDER; - do { - gfp_t gfp = prio; - - if (order) - gfp |= __GFP_COMP | __GFP_NOWARN | __GFP_NORETRY; - pfrag->page = alloc_pages(gfp, order); + pfrag->offset = 0; + if (SKB_FRAG_PAGE_ORDER) { + pfrag->page = alloc_pages(gfp | __GFP_COMP | + __GFP_NOWARN | __GFP_NORETRY, + SKB_FRAG_PAGE_ORDER); if (likely(pfrag->page)) { - pfrag->offset = 0; - pfrag->size = PAGE_SIZE << order; + pfrag->size = PAGE_SIZE << SKB_FRAG_PAGE_ORDER; return true; } - } while (--order >= 0); - + } + pfrag->page = alloc_page(gfp); + if (likely(pfrag->page)) { + pfrag->size = PAGE_SIZE; + return true; + } return false; } EXPORT_SYMBOL(skb_page_frag_refill); diff --git a/net/ieee802154/6lowpan_rtnl.c b/net/ieee802154/6lowpan_rtnl.c index 016b77ee88f..6591d27e53a 100644 --- a/net/ieee802154/6lowpan_rtnl.c +++ b/net/ieee802154/6lowpan_rtnl.c @@ -246,7 +246,7 @@ lowpan_alloc_frag(struct sk_buff *skb, int size, return ERR_PTR(-rc); } } else { - frag = ERR_PTR(ENOMEM); + frag = ERR_PTR(-ENOMEM); } return frag; @@ -437,7 +437,7 @@ static void lowpan_setup(struct net_device *dev) /* Frame Control + Sequence Number + Address fields + Security Header */ dev->hard_header_len = 2 + 1 + 20 + 14; dev->needed_tailroom = 2; /* FCS */ - dev->mtu = 1281; + dev->mtu = IPV6_MIN_MTU; dev->tx_queue_len = 0; dev->flags = IFF_BROADCAST | IFF_MULTICAST; dev->watchdog_timeo = 0; diff --git a/net/ieee802154/reassembly.c b/net/ieee802154/reassembly.c index ffec6ce5100..32755cb7e64 100644 --- a/net/ieee802154/reassembly.c +++ b/net/ieee802154/reassembly.c @@ -355,8 +355,6 @@ int lowpan_frag_rcv(struct sk_buff *skb, const u8 frag_type) struct net *net = dev_net(skb->dev); struct lowpan_frag_info *frag_info = lowpan_cb(skb); struct ieee802154_addr source, dest; - struct netns_ieee802154_lowpan *ieee802154_lowpan = - net_ieee802154_lowpan(net); int err; source = mac_cb(skb)->source; @@ -366,8 +364,10 @@ int lowpan_frag_rcv(struct sk_buff *skb, const u8 frag_type) if (err < 0) goto err; - if (frag_info->d_size > ieee802154_lowpan->max_dsize) + if (frag_info->d_size > IPV6_MIN_MTU) { + net_warn_ratelimited("lowpan_frag_rcv: datagram size exceeds MTU\n"); goto err; + } fq = fq_find(net, frag_info, &source, &dest); if (fq != NULL) { @@ -415,13 +415,6 @@ static struct ctl_table lowpan_frags_ns_ctl_table[] = { .mode = 0644, .proc_handler = proc_dointvec_jiffies, }, - { - .procname = "6lowpanfrag_max_datagram_size", - .data = &init_net.ieee802154_lowpan.max_dsize, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = proc_dointvec - }, { } }; @@ -458,7 +451,6 @@ static int __net_init lowpan_frags_ns_sysctl_register(struct net *net) table[1].data = &ieee802154_lowpan->frags.low_thresh; table[1].extra2 = &ieee802154_lowpan->frags.high_thresh; table[2].data = &ieee802154_lowpan->frags.timeout; - table[3].data = &ieee802154_lowpan->max_dsize; /* Don't export sysctls to unprivileged users */ if (net->user_ns != &init_user_ns) @@ -533,7 +525,6 @@ static int __net_init lowpan_frags_init_net(struct net *net) ieee802154_lowpan->frags.high_thresh = IPV6_FRAG_HIGH_THRESH; ieee802154_lowpan->frags.low_thresh = IPV6_FRAG_LOW_THRESH; ieee802154_lowpan->frags.timeout = IPV6_FRAG_TIMEOUT; - ieee802154_lowpan->max_dsize = 0xFFFF; inet_frags_init_net(&ieee802154_lowpan->frags); diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig index fb173126f03..7cbcaf4f019 100644 --- a/net/ipv4/netfilter/Kconfig +++ b/net/ipv4/netfilter/Kconfig @@ -82,6 +82,52 @@ config NF_TABLES_ARP help This option enables the ARP support for nf_tables. +config NF_NAT_IPV4 + tristate "IPv4 NAT" + depends on NF_CONNTRACK_IPV4 + default m if NETFILTER_ADVANCED=n + select NF_NAT + help + The IPv4 NAT option allows masquerading, port forwarding and other + forms of full Network Address Port Translation. This can be + controlled by iptables or nft. + +if NF_NAT_IPV4 + +config NF_NAT_SNMP_BASIC + tristate "Basic SNMP-ALG support" + depends on NF_CONNTRACK_SNMP + depends on NETFILTER_ADVANCED + default NF_NAT && NF_CONNTRACK_SNMP + ---help--- + + This module implements an Application Layer Gateway (ALG) for + SNMP payloads. In conjunction with NAT, it allows a network + management system to access multiple private networks with + conflicting addresses. It works by modifying IP addresses + inside SNMP payloads to match IP-layer NAT mapping. + + This is the "basic" form of SNMP-ALG, as described in RFC 2962 + + To compile it as a module, choose M here. If unsure, say N. + +config NF_NAT_PROTO_GRE + tristate + depends on NF_CT_PROTO_GRE + +config NF_NAT_PPTP + tristate + depends on NF_CONNTRACK + default NF_CONNTRACK_PPTP + select NF_NAT_PROTO_GRE + +config NF_NAT_H323 + tristate + depends on NF_CONNTRACK + default NF_CONNTRACK_H323 + +endif # NF_NAT_IPV4 + config IP_NF_IPTABLES tristate "IP tables support (required for filtering/masq/NAT)" default m if NETFILTER_ADVANCED=n @@ -170,19 +216,21 @@ config IP_NF_TARGET_SYNPROXY To compile it as a module, choose M here. If unsure, say N. # NAT + specific targets: nf_conntrack -config NF_NAT_IPV4 - tristate "IPv4 NAT" +config IP_NF_NAT + tristate "iptables NAT support" depends on NF_CONNTRACK_IPV4 default m if NETFILTER_ADVANCED=n select NF_NAT + select NF_NAT_IPV4 + select NETFILTER_XT_NAT help - The IPv4 NAT option allows masquerading, port forwarding and other - forms of full Network Address Port Translation. It is controlled by - the `nat' table in iptables: see the man page for iptables(8). + This enables the `nat' table in iptables. This allows masquerading, + port forwarding and other forms of full Network Address Port + Translation. To compile it as a module, choose M here. If unsure, say N. -if NF_NAT_IPV4 +if IP_NF_NAT config IP_NF_TARGET_MASQUERADE tristate "MASQUERADE target support" @@ -214,47 +262,7 @@ config IP_NF_TARGET_REDIRECT (e.g. when running oldconfig). It selects CONFIG_NETFILTER_XT_TARGET_REDIRECT. -endif - -config NF_NAT_SNMP_BASIC - tristate "Basic SNMP-ALG support" - depends on NF_CONNTRACK_SNMP && NF_NAT_IPV4 - depends on NETFILTER_ADVANCED - default NF_NAT && NF_CONNTRACK_SNMP - ---help--- - - This module implements an Application Layer Gateway (ALG) for - SNMP payloads. In conjunction with NAT, it allows a network - management system to access multiple private networks with - conflicting addresses. It works by modifying IP addresses - inside SNMP payloads to match IP-layer NAT mapping. - - This is the "basic" form of SNMP-ALG, as described in RFC 2962 - - To compile it as a module, choose M here. If unsure, say N. - -# If they want FTP, set to $CONFIG_IP_NF_NAT (m or y), -# or $CONFIG_IP_NF_FTP (m or y), whichever is weaker. -# From kconfig-language.txt: -# -# <expr> '&&' <expr> (6) -# -# (6) Returns the result of min(/expr/, /expr/). - -config NF_NAT_PROTO_GRE - tristate - depends on NF_NAT_IPV4 && NF_CT_PROTO_GRE - -config NF_NAT_PPTP - tristate - depends on NF_CONNTRACK && NF_NAT_IPV4 - default NF_NAT_IPV4 && NF_CONNTRACK_PPTP - select NF_NAT_PROTO_GRE - -config NF_NAT_H323 - tristate - depends on NF_CONNTRACK && NF_NAT_IPV4 - default NF_NAT_IPV4 && NF_CONNTRACK_H323 +endif # IP_NF_NAT # mangle + specific targets config IP_NF_MANGLE diff --git a/net/ipv4/netfilter/Makefile b/net/ipv4/netfilter/Makefile index 33001621465..edf4af32e9f 100644 --- a/net/ipv4/netfilter/Makefile +++ b/net/ipv4/netfilter/Makefile @@ -43,7 +43,7 @@ obj-$(CONFIG_IP_NF_IPTABLES) += ip_tables.o # the three instances of ip_tables obj-$(CONFIG_IP_NF_FILTER) += iptable_filter.o obj-$(CONFIG_IP_NF_MANGLE) += iptable_mangle.o -obj-$(CONFIG_NF_NAT_IPV4) += iptable_nat.o +obj-$(CONFIG_IP_NF_NAT) += iptable_nat.o obj-$(CONFIG_IP_NF_RAW) += iptable_raw.o obj-$(CONFIG_IP_NF_SECURITY) += iptable_security.o diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 0b239fc1816..fc1fac2a052 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -1690,14 +1690,12 @@ void addrconf_dad_failure(struct inet6_ifaddr *ifp) addrconf_mod_dad_work(ifp, 0); } -/* Join to solicited addr multicast group. */ - +/* Join to solicited addr multicast group. + * caller must hold RTNL */ void addrconf_join_solict(struct net_device *dev, const struct in6_addr *addr) { struct in6_addr maddr; - ASSERT_RTNL(); - if (dev->flags&(IFF_LOOPBACK|IFF_NOARP)) return; @@ -1705,12 +1703,11 @@ void addrconf_join_solict(struct net_device *dev, const struct in6_addr *addr) ipv6_dev_mc_inc(dev, &maddr); } +/* caller must hold RTNL */ void addrconf_leave_solict(struct inet6_dev *idev, const struct in6_addr *addr) { struct in6_addr maddr; - ASSERT_RTNL(); - if (idev->dev->flags&(IFF_LOOPBACK|IFF_NOARP)) return; @@ -1718,12 +1715,11 @@ void addrconf_leave_solict(struct inet6_dev *idev, const struct in6_addr *addr) __ipv6_dev_mc_dec(idev, &maddr); } +/* caller must hold RTNL */ static void addrconf_join_anycast(struct inet6_ifaddr *ifp) { struct in6_addr addr; - ASSERT_RTNL(); - if (ifp->prefix_len >= 127) /* RFC 6164 */ return; ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len); @@ -1732,12 +1728,11 @@ static void addrconf_join_anycast(struct inet6_ifaddr *ifp) ipv6_dev_ac_inc(ifp->idev->dev, &addr); } +/* caller must hold RTNL */ static void addrconf_leave_anycast(struct inet6_ifaddr *ifp) { struct in6_addr addr; - ASSERT_RTNL(); - if (ifp->prefix_len >= 127) /* RFC 6164 */ return; ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len); @@ -4773,15 +4768,11 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) addrconf_leave_solict(ifp->idev, &ifp->addr); if (!ipv6_addr_any(&ifp->peer_addr)) { struct rt6_info *rt; - struct net_device *dev = ifp->idev->dev; - - rt = rt6_lookup(dev_net(dev), &ifp->peer_addr, NULL, - dev->ifindex, 1); - if (rt) { - dst_hold(&rt->dst); - if (ip6_del_rt(rt)) - dst_free(&rt->dst); - } + + rt = addrconf_get_prefix_route(&ifp->peer_addr, 128, + ifp->idev->dev, 0, 0); + if (rt && ip6_del_rt(rt)) + dst_free(&rt->dst); } dst_hold(&ifp->rt->dst); diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c index 21018324468..ff2de7d9d8e 100644 --- a/net/ipv6/anycast.c +++ b/net/ipv6/anycast.c @@ -77,6 +77,7 @@ int ipv6_sock_ac_join(struct sock *sk, int ifindex, const struct in6_addr *addr) pac->acl_next = NULL; pac->acl_addr = *addr; + rtnl_lock(); rcu_read_lock(); if (ifindex == 0) { struct rt6_info *rt; @@ -137,6 +138,7 @@ int ipv6_sock_ac_join(struct sock *sk, int ifindex, const struct in6_addr *addr) error: rcu_read_unlock(); + rtnl_unlock(); if (pac) sock_kfree_s(sk, pac, sizeof(*pac)); return err; @@ -171,11 +173,13 @@ int ipv6_sock_ac_drop(struct sock *sk, int ifindex, const struct in6_addr *addr) spin_unlock_bh(&ipv6_sk_ac_lock); + rtnl_lock(); rcu_read_lock(); dev = dev_get_by_index_rcu(net, pac->acl_ifindex); if (dev) ipv6_dev_ac_dec(dev, &pac->acl_addr); rcu_read_unlock(); + rtnl_unlock(); sock_kfree_s(sk, pac, sizeof(*pac)); return 0; @@ -198,6 +202,7 @@ void ipv6_sock_ac_close(struct sock *sk) spin_unlock_bh(&ipv6_sk_ac_lock); prev_index = 0; + rtnl_lock(); rcu_read_lock(); while (pac) { struct ipv6_ac_socklist *next = pac->acl_next; @@ -212,6 +217,7 @@ void ipv6_sock_ac_close(struct sock *sk) pac = next; } rcu_read_unlock(); + rtnl_unlock(); } static void aca_put(struct ifacaddr6 *ac) @@ -233,6 +239,8 @@ int ipv6_dev_ac_inc(struct net_device *dev, const struct in6_addr *addr) struct rt6_info *rt; int err; + ASSERT_RTNL(); + idev = in6_dev_get(dev); if (idev == NULL) @@ -302,6 +310,8 @@ int __ipv6_dev_ac_dec(struct inet6_dev *idev, const struct in6_addr *addr) { struct ifacaddr6 *aca, *prev_aca; + ASSERT_RTNL(); + write_lock_bh(&idev->lock); prev_aca = NULL; for (aca = idev->ac_list; aca; aca = aca->aca_next) { diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c index 617f0958e16..a23b655a762 100644 --- a/net/ipv6/mcast.c +++ b/net/ipv6/mcast.c @@ -172,6 +172,7 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr) mc_lst->next = NULL; mc_lst->addr = *addr; + rtnl_lock(); rcu_read_lock(); if (ifindex == 0) { struct rt6_info *rt; @@ -185,6 +186,7 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr) if (dev == NULL) { rcu_read_unlock(); + rtnl_unlock(); sock_kfree_s(sk, mc_lst, sizeof(*mc_lst)); return -ENODEV; } @@ -202,6 +204,7 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr) if (err) { rcu_read_unlock(); + rtnl_unlock(); sock_kfree_s(sk, mc_lst, sizeof(*mc_lst)); return err; } @@ -212,6 +215,7 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr) spin_unlock(&ipv6_sk_mc_lock); rcu_read_unlock(); + rtnl_unlock(); return 0; } @@ -229,6 +233,7 @@ int ipv6_sock_mc_drop(struct sock *sk, int ifindex, const struct in6_addr *addr) if (!ipv6_addr_is_multicast(addr)) return -EINVAL; + rtnl_lock(); spin_lock(&ipv6_sk_mc_lock); for (lnk = &np->ipv6_mc_list; (mc_lst = rcu_dereference_protected(*lnk, @@ -252,12 +257,15 @@ int ipv6_sock_mc_drop(struct sock *sk, int ifindex, const struct in6_addr *addr) } else (void) ip6_mc_leave_src(sk, mc_lst, NULL); rcu_read_unlock(); + rtnl_unlock(); + atomic_sub(sizeof(*mc_lst), &sk->sk_omem_alloc); kfree_rcu(mc_lst, rcu); return 0; } } spin_unlock(&ipv6_sk_mc_lock); + rtnl_unlock(); return -EADDRNOTAVAIL; } @@ -302,6 +310,7 @@ void ipv6_sock_mc_close(struct sock *sk) if (!rcu_access_pointer(np->ipv6_mc_list)) return; + rtnl_lock(); spin_lock(&ipv6_sk_mc_lock); while ((mc_lst = rcu_dereference_protected(np->ipv6_mc_list, lockdep_is_held(&ipv6_sk_mc_lock))) != NULL) { @@ -328,6 +337,7 @@ void ipv6_sock_mc_close(struct sock *sk) spin_lock(&ipv6_sk_mc_lock); } spin_unlock(&ipv6_sk_mc_lock); + rtnl_unlock(); } int ip6_mc_source(int add, int omode, struct sock *sk, @@ -845,6 +855,8 @@ int ipv6_dev_mc_inc(struct net_device *dev, const struct in6_addr *addr) struct ifmcaddr6 *mc; struct inet6_dev *idev; + ASSERT_RTNL(); + /* we need to take a reference on idev */ idev = in6_dev_get(dev); @@ -916,6 +928,8 @@ int __ipv6_dev_mc_dec(struct inet6_dev *idev, const struct in6_addr *addr) { struct ifmcaddr6 *ma, **map; + ASSERT_RTNL(); + write_lock_bh(&idev->lock); for (map = &idev->mc_list; (ma=*map) != NULL; map = &ma->next) { if (ipv6_addr_equal(&ma->mca_addr, addr)) { diff --git a/net/ipv6/netfilter/Kconfig b/net/ipv6/netfilter/Kconfig index ac93df16f5a..2812816aabd 100644 --- a/net/ipv6/netfilter/Kconfig +++ b/net/ipv6/netfilter/Kconfig @@ -57,9 +57,19 @@ config NFT_REJECT_IPV6 config NF_LOG_IPV6 tristate "IPv6 packet logging" - depends on NETFILTER_ADVANCED + default m if NETFILTER_ADVANCED=n select NF_LOG_COMMON +config NF_NAT_IPV6 + tristate "IPv6 NAT" + depends on NF_CONNTRACK_IPV6 + depends on NETFILTER_ADVANCED + select NF_NAT + help + The IPv6 NAT option allows masquerading, port forwarding and other + forms of full Network Address Port Translation. This can be + controlled by iptables or nft. + config IP6_NF_IPTABLES tristate "IP6 tables support (required for filtering)" depends on INET && IPV6 @@ -232,19 +242,21 @@ config IP6_NF_SECURITY If unsure, say N. -config NF_NAT_IPV6 - tristate "IPv6 NAT" +config IP6_NF_NAT + tristate "ip6tables NAT support" depends on NF_CONNTRACK_IPV6 depends on NETFILTER_ADVANCED select NF_NAT + select NF_NAT_IPV6 + select NETFILTER_XT_NAT help - The IPv6 NAT option allows masquerading, port forwarding and other - forms of full Network Address Port Translation. It is controlled by - the `nat' table in ip6tables, see the man page for ip6tables(8). + This enables the `nat' table in ip6tables. This allows masquerading, + port forwarding and other forms of full Network Address Port + Translation. To compile it as a module, choose M here. If unsure, say N. -if NF_NAT_IPV6 +if IP6_NF_NAT config IP6_NF_TARGET_MASQUERADE tristate "MASQUERADE target support" @@ -265,7 +277,7 @@ config IP6_NF_TARGET_NPT To compile it as a module, choose M here. If unsure, say N. -endif # NF_NAT_IPV6 +endif # IP6_NF_NAT endif # IP6_NF_IPTABLES diff --git a/net/ipv6/netfilter/Makefile b/net/ipv6/netfilter/Makefile index c0b263104ed..c3d3286db4b 100644 --- a/net/ipv6/netfilter/Makefile +++ b/net/ipv6/netfilter/Makefile @@ -8,7 +8,7 @@ obj-$(CONFIG_IP6_NF_FILTER) += ip6table_filter.o obj-$(CONFIG_IP6_NF_MANGLE) += ip6table_mangle.o obj-$(CONFIG_IP6_NF_RAW) += ip6table_raw.o obj-$(CONFIG_IP6_NF_SECURITY) += ip6table_security.o -obj-$(CONFIG_NF_NAT_IPV6) += ip6table_nat.o +obj-$(CONFIG_IP6_NF_NAT) += ip6table_nat.o # objects for l3 independent conntrack nf_conntrack_ipv6-y := nf_conntrack_l3proto_ipv6.o nf_conntrack_proto_icmpv6.o diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c index 13752d96275..b704a935620 100644 --- a/net/l2tp/l2tp_ppp.c +++ b/net/l2tp/l2tp_ppp.c @@ -755,7 +755,8 @@ static int pppol2tp_connect(struct socket *sock, struct sockaddr *uservaddr, /* If PMTU discovery was enabled, use the MTU that was discovered */ dst = sk_dst_get(tunnel->sock); if (dst != NULL) { - u32 pmtu = dst_mtu(__sk_dst_get(tunnel->sock)); + u32 pmtu = dst_mtu(dst); + if (pmtu != 0) session->mtu = session->mru = pmtu - PPPOL2TP_HEADER_OVERHEAD; diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c index 0375009ddc0..399ad82c997 100644 --- a/net/mac80211/chan.c +++ b/net/mac80211/chan.c @@ -541,6 +541,8 @@ static void ieee80211_recalc_chanctx_chantype(struct ieee80211_local *local, continue; if (rcu_access_pointer(sdata->vif.chanctx_conf) != conf) continue; + if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) + continue; if (!compat) compat = &sdata->vif.bss_conf.chandef; diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index 3db96648b45..86173c0de40 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -167,7 +167,7 @@ static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf, p += scnprintf(p, sizeof(buf) + buf - p, "next dialog_token: %#02x\n", sta->ampdu_mlme.dialog_token_allocator + 1); p += scnprintf(p, sizeof(buf) + buf - p, - "TID\t\tRX active\tDTKN\tSSN\t\tTX\tDTKN\tpending\n"); + "TID\t\tRX\tDTKN\tSSN\t\tTX\tDTKN\tpending\n"); for (i = 0; i < IEEE80211_NUM_TIDS; i++) { tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[i]); diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 01eede7406a..f75e5f132c5 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -1175,8 +1175,8 @@ static void ieee80211_iface_work(struct work_struct *work) if (sta) { u16 last_seq; - last_seq = le16_to_cpu( - sta->last_seq_ctrl[rx_agg->tid]); + last_seq = IEEE80211_SEQ_TO_SN(le16_to_cpu( + sta->last_seq_ctrl[rx_agg->tid])); __ieee80211_start_rx_ba_session(sta, 0, 0, diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index 63b874101b2..c47194d2714 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -959,7 +959,8 @@ mesh_plink_get_event(struct ieee80211_sub_if_data *sdata, if (!matches_local) event = CNF_RJCT; if (!mesh_plink_free_count(sdata) || - (sta->llid != llid || sta->plid != plid)) + sta->llid != llid || + (sta->plid && sta->plid != plid)) event = CNF_IGNR; else event = CNF_ACPT; @@ -1080,6 +1081,10 @@ mesh_process_plink_frame(struct ieee80211_sub_if_data *sdata, goto unlock_rcu; } + /* 802.11-2012 13.3.7.2 - update plid on CNF if not set */ + if (!sta->plid && event == CNF_ACPT) + sta->plid = plid; + changed |= mesh_plink_fsm(sdata, sta, event); unlock_rcu: diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 31a8afaf733..b82a12a9f0f 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -4376,8 +4376,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, rcu_read_unlock(); if (bss->wmm_used && bss->uapsd_supported && - (sdata->local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD) && - sdata->wmm_acm != 0xff) { + (sdata->local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD)) { assoc_data->uapsd = true; ifmgd->flags |= IEEE80211_STA_UAPSD_ENABLED; } else { diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index c6ee2139fbc..441875f0375 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -1094,8 +1094,11 @@ void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta) unsigned long flags; struct ps_data *ps; - if (sdata->vif.type == NL80211_IFTYPE_AP || - sdata->vif.type == NL80211_IFTYPE_AP_VLAN) + if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) + sdata = container_of(sdata->bss, struct ieee80211_sub_if_data, + u.ap); + + if (sdata->vif.type == NL80211_IFTYPE_AP) ps = &sdata->bss->ps; else if (ieee80211_vif_is_mesh(&sdata->vif)) ps = &sdata->u.mesh.ps; diff --git a/net/mac802154/wpan.c b/net/mac802154/wpan.c index 3c3069fd697..547838822d5 100644 --- a/net/mac802154/wpan.c +++ b/net/mac802154/wpan.c @@ -462,7 +462,10 @@ mac802154_subif_frame(struct mac802154_sub_if_data *sdata, struct sk_buff *skb, skb->pkt_type = PACKET_OTHERHOST; break; default: - break; + spin_unlock_bh(&sdata->mib_lock); + pr_debug("invalid dest mode\n"); + kfree_skb(skb); + return NET_RX_DROP; } spin_unlock_bh(&sdata->mib_lock); @@ -573,6 +576,7 @@ void mac802154_wpans_rx(struct mac802154_priv *priv, struct sk_buff *skb) ret = mac802154_parse_frame_start(skb, &hdr); if (ret) { pr_debug("got invalid frame\n"); + kfree_skb(skb); return; } diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig index ad751fe2e82..b5c1d3aadb4 100644 --- a/net/netfilter/Kconfig +++ b/net/netfilter/Kconfig @@ -499,7 +499,7 @@ config NFT_LIMIT config NFT_NAT depends on NF_TABLES depends on NF_CONNTRACK - depends on NF_NAT + select NF_NAT tristate "Netfilter nf_tables nat module" help This option adds the "nat" expression that you can use to perform @@ -747,7 +747,9 @@ config NETFILTER_XT_TARGET_LED config NETFILTER_XT_TARGET_LOG tristate "LOG target support" - depends on NF_LOG_IPV4 && NF_LOG_IPV6 + select NF_LOG_COMMON + select NF_LOG_IPV4 + select NF_LOG_IPV6 if IPV6 default m if NETFILTER_ADVANCED=n help This option adds a `LOG' target, which allows you to create rules in @@ -764,6 +766,14 @@ config NETFILTER_XT_TARGET_MARK (e.g. when running oldconfig). It selects CONFIG_NETFILTER_XT_MARK (combined mark/MARK module). +config NETFILTER_XT_NAT + tristate '"SNAT and DNAT" targets support' + depends on NF_NAT + ---help--- + This option enables the SNAT and DNAT targets. + + To compile it as a module, choose M here. If unsure, say N. + config NETFILTER_XT_TARGET_NETMAP tristate '"NETMAP" target support' depends on NF_NAT diff --git a/net/netfilter/Makefile b/net/netfilter/Makefile index 8308624a406..fad5fdba34e 100644 --- a/net/netfilter/Makefile +++ b/net/netfilter/Makefile @@ -95,7 +95,7 @@ obj-$(CONFIG_NETFILTER_XTABLES) += x_tables.o xt_tcpudp.o obj-$(CONFIG_NETFILTER_XT_MARK) += xt_mark.o obj-$(CONFIG_NETFILTER_XT_CONNMARK) += xt_connmark.o obj-$(CONFIG_NETFILTER_XT_SET) += xt_set.o -obj-$(CONFIG_NF_NAT) += xt_nat.o +obj-$(CONFIG_NETFILTER_XT_NAT) += xt_nat.o # targets obj-$(CONFIG_NETFILTER_XT_TARGET_AUDIT) += xt_AUDIT.o diff --git a/net/netfilter/core.c b/net/netfilter/core.c index a93c97f106d..024a2e25c8a 100644 --- a/net/netfilter/core.c +++ b/net/netfilter/core.c @@ -54,7 +54,7 @@ EXPORT_SYMBOL_GPL(nf_unregister_afinfo); struct list_head nf_hooks[NFPROTO_NUMPROTO][NF_MAX_HOOKS] __read_mostly; EXPORT_SYMBOL(nf_hooks); -#if defined(CONFIG_JUMP_LABEL) +#ifdef HAVE_JUMP_LABEL struct static_key nf_hooks_needed[NFPROTO_NUMPROTO][NF_MAX_HOOKS]; EXPORT_SYMBOL(nf_hooks_needed); #endif @@ -72,7 +72,7 @@ int nf_register_hook(struct nf_hook_ops *reg) } list_add_rcu(®->list, elem->list.prev); mutex_unlock(&nf_hook_mutex); -#if defined(CONFIG_JUMP_LABEL) +#ifdef HAVE_JUMP_LABEL static_key_slow_inc(&nf_hooks_needed[reg->pf][reg->hooknum]); #endif return 0; @@ -84,7 +84,7 @@ void nf_unregister_hook(struct nf_hook_ops *reg) mutex_lock(&nf_hook_mutex); list_del_rcu(®->list); mutex_unlock(&nf_hook_mutex); -#if defined(CONFIG_JUMP_LABEL) +#ifdef HAVE_JUMP_LABEL static_key_slow_dec(&nf_hooks_needed[reg->pf][reg->hooknum]); #endif synchronize_net(); diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c index e6836755c45..5c34e8d42e0 100644 --- a/net/netfilter/ipvs/ip_vs_core.c +++ b/net/netfilter/ipvs/ip_vs_core.c @@ -1906,7 +1906,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = { { .hook = ip_vs_local_reply6, .owner = THIS_MODULE, - .pf = NFPROTO_IPV4, + .pf = NFPROTO_IPV6, .hooknum = NF_INET_LOCAL_OUT, .priority = NF_IP6_PRI_NAT_DST + 1, }, diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c index 6f70bdd3a90..56896a412bc 100644 --- a/net/netfilter/ipvs/ip_vs_xmit.c +++ b/net/netfilter/ipvs/ip_vs_xmit.c @@ -38,6 +38,7 @@ #include <net/route.h> /* for ip_route_output */ #include <net/ipv6.h> #include <net/ip6_route.h> +#include <net/ip_tunnels.h> #include <net/addrconf.h> #include <linux/icmpv6.h> #include <linux/netfilter.h> @@ -862,11 +863,15 @@ ip_vs_tunnel_xmit(struct sk_buff *skb, struct ip_vs_conn *cp, old_iph = ip_hdr(skb); } - skb->transport_header = skb->network_header; - /* fix old IP header checksum */ ip_send_check(old_iph); + skb = iptunnel_handle_offloads(skb, false, SKB_GSO_IPIP); + if (IS_ERR(skb)) + goto tx_error; + + skb->transport_header = skb->network_header; + skb_push(skb, sizeof(struct iphdr)); skb_reset_network_header(skb); memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt)); @@ -900,7 +905,8 @@ ip_vs_tunnel_xmit(struct sk_buff *skb, struct ip_vs_conn *cp, return NF_STOLEN; tx_error: - kfree_skb(skb); + if (!IS_ERR(skb)) + kfree_skb(skb); rcu_read_unlock(); LeaveFunction(10); return NF_STOLEN; @@ -953,6 +959,11 @@ ip_vs_tunnel_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp, old_iph = ipv6_hdr(skb); } + /* GSO: we need to provide proper SKB_GSO_ value for IPv6 */ + skb = iptunnel_handle_offloads(skb, false, 0); /* SKB_GSO_SIT/IPV6 */ + if (IS_ERR(skb)) + goto tx_error; + skb->transport_header = skb->network_header; skb_push(skb, sizeof(struct ipv6hdr)); @@ -988,7 +999,8 @@ ip_vs_tunnel_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp, return NF_STOLEN; tx_error: - kfree_skb(skb); + if (!IS_ERR(skb)) + kfree_skb(skb); rcu_read_unlock(); LeaveFunction(10); return NF_STOLEN; diff --git a/net/netfilter/xt_cgroup.c b/net/netfilter/xt_cgroup.c index f4e83300532..7198d660b4d 100644 --- a/net/netfilter/xt_cgroup.c +++ b/net/netfilter/xt_cgroup.c @@ -31,7 +31,7 @@ static int cgroup_mt_check(const struct xt_mtchk_param *par) if (info->invert & ~1) return -EINVAL; - return info->id ? 0 : -EINVAL; + return 0; } static bool diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c index 7228ec3faf1..91d66b7e64a 100644 --- a/net/openvswitch/datapath.c +++ b/net/openvswitch/datapath.c @@ -265,8 +265,11 @@ void ovs_dp_process_received_packet(struct vport *p, struct sk_buff *skb) upcall.key = &key; upcall.userdata = NULL; upcall.portid = ovs_vport_find_upcall_portid(p, skb); - ovs_dp_upcall(dp, skb, &upcall); - consume_skb(skb); + error = ovs_dp_upcall(dp, skb, &upcall); + if (unlikely(error)) + kfree_skb(skb); + else + consume_skb(skb); stats_counter = &stats->n_missed; goto out; } @@ -404,7 +407,7 @@ static int queue_userspace_packet(struct datapath *dp, struct sk_buff *skb, { struct ovs_header *upcall; struct sk_buff *nskb = NULL; - struct sk_buff *user_skb; /* to be queued to userspace */ + struct sk_buff *user_skb = NULL; /* to be queued to userspace */ struct nlattr *nla; struct genl_info info = { .dst_sk = ovs_dp_get_net(dp)->genl_sock, @@ -494,9 +497,11 @@ static int queue_userspace_packet(struct datapath *dp, struct sk_buff *skb, ((struct nlmsghdr *) user_skb->data)->nlmsg_len = user_skb->len; err = genlmsg_unicast(ovs_dp_get_net(dp), user_skb, upcall_info->portid); + user_skb = NULL; out: if (err) skb_tx_error(skb); + kfree_skb(user_skb); kfree_skb(nskb); return err; } diff --git a/net/rfkill/rfkill-gpio.c b/net/rfkill/rfkill-gpio.c index 14c98e48f26..02a86a27fd8 100644 --- a/net/rfkill/rfkill-gpio.c +++ b/net/rfkill/rfkill-gpio.c @@ -158,6 +158,7 @@ static const struct acpi_device_id rfkill_acpi_match[] = { { "BCM2E1A", RFKILL_TYPE_BLUETOOTH }, { "BCM2E39", RFKILL_TYPE_BLUETOOTH }, { "BCM2E3D", RFKILL_TYPE_BLUETOOTH }, + { "BCM2E64", RFKILL_TYPE_BLUETOOTH }, { "BCM4752", RFKILL_TYPE_GPS }, { "LNV4752", RFKILL_TYPE_GPS }, { }, diff --git a/net/sctp/socket.c b/net/sctp/socket.c index eb71d49e765..634a2abb5f3 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -4243,7 +4243,7 @@ static int sctp_getsockopt_sctp_status(struct sock *sk, int len, transport = asoc->peer.primary_path; status.sstat_assoc_id = sctp_assoc2id(asoc); - status.sstat_state = asoc->state; + status.sstat_state = sctp_assoc_to_state(asoc); status.sstat_rwnd = asoc->peer.rwnd; status.sstat_unackdata = asoc->unack_data; diff --git a/net/socket.c b/net/socket.c index 95ee7d8682e..2e2586e2dee 100644 --- a/net/socket.c +++ b/net/socket.c @@ -734,8 +734,7 @@ void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk, } memset(&tss, 0, sizeof(tss)); - if ((sk->sk_tsflags & SOF_TIMESTAMPING_SOFTWARE || - skb_shinfo(skb)->tx_flags & SKBTX_ANY_SW_TSTAMP) && + if ((sk->sk_tsflags & SOF_TIMESTAMPING_SOFTWARE) && ktime_to_timespec_cond(skb->tstamp, tss.ts + 0)) empty = 0; if (shhwtstamps && @@ -2602,7 +2601,7 @@ SYSCALL_DEFINE2(socketcall, int, call, unsigned long __user *, args) * * This function is called by a protocol handler that wants to * advertise its address family, and have it linked into the - * socket interface. The value ops->family coresponds to the + * socket interface. The value ops->family corresponds to the * socket system call protocol family. */ int sock_register(const struct net_proto_family *ops) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 31a731e06f5..4d08b398411 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2133,7 +2133,10 @@ sub process { # Check for improperly formed commit descriptions if ($in_commit_log && $line =~ /\bcommit\s+[0-9a-f]{5,}/i && - $line !~ /\b[Cc]ommit [0-9a-f]{12,16} \("/) { + !($line =~ /\b[Cc]ommit [0-9a-f]{12,40} \("/ || + ($line =~ /\b[Cc]ommit [0-9a-f]{12,40}\s*$/ && + defined $rawlines[$linenr] && + $rawlines[$linenr] =~ /^\s*\("/))) { $line =~ /\b(c)ommit\s+([0-9a-f]{5,})/i; my $init_char = $1; my $orig_commit = lc($2); @@ -2141,7 +2144,7 @@ sub process { my $desc = 'commit description'; ($id, $desc) = git_commit_info($orig_commit, $id, $desc); ERROR("GIT_COMMIT_ID", - "Please use 12 to 16 chars for the git commit ID like: '${init_char}ommit $id (\"$desc\")'\n" . $herecurr); + "Please use 12 or more chars for the git commit ID like: '${init_char}ommit $id (\"$desc\")'\n" . $herecurr); } # Check for added, moved or deleted files diff --git a/scripts/kernel-doc b/scripts/kernel-doc index 16a07cfa4d3..70bea942b41 100755 --- a/scripts/kernel-doc +++ b/scripts/kernel-doc @@ -2085,6 +2085,7 @@ sub dump_function($$) { $prototype =~ s/^noinline +//; $prototype =~ s/__init +//; $prototype =~ s/__init_or_module +//; + $prototype =~ s/__meminit +//; $prototype =~ s/__must_check +//; $prototype =~ s/__weak +//; my $define = $prototype =~ s/^#\s*define\s+//; #ak added diff --git a/security/keys/key.c b/security/keys/key.c index b90a68c4e2c..6d0cad16f00 100644 --- a/security/keys/key.c +++ b/security/keys/key.c @@ -27,8 +27,8 @@ DEFINE_SPINLOCK(key_serial_lock); struct rb_root key_user_tree; /* tree of quota records indexed by UID */ DEFINE_SPINLOCK(key_user_lock); -unsigned int key_quota_root_maxkeys = 200; /* root's key count quota */ -unsigned int key_quota_root_maxbytes = 20000; /* root's key space quota */ +unsigned int key_quota_root_maxkeys = 1000000; /* root's key count quota */ +unsigned int key_quota_root_maxbytes = 25000000; /* root's key space quota */ unsigned int key_quota_maxkeys = 200; /* general key count quota */ unsigned int key_quota_maxbytes = 20000; /* general key space quota */ diff --git a/security/tomoyo/realpath.c b/security/tomoyo/realpath.c index a3386d11942..bed745c8b1a 100644 --- a/security/tomoyo/realpath.c +++ b/security/tomoyo/realpath.c @@ -173,7 +173,7 @@ static char *tomoyo_get_local_path(struct dentry *dentry, char * const buffer, * Use filesystem name if filesystem does not support rename() * operation. */ - if (!inode->i_op->rename) + if (!inode->i_op->rename && !inode->i_op->rename2) goto prepend_filesystem_name; } /* Prepend device name. */ @@ -282,7 +282,8 @@ char *tomoyo_realpath_from_path(struct path *path) * Get local name for filesystems without rename() operation * or dentry without vfsmount. */ - if (!path->mnt || !inode->i_op->rename) + if (!path->mnt || + (!inode->i_op->rename && !inode->i_op->rename2)) pos = tomoyo_get_local_path(path->dentry, buf, buf_len - 1); /* Get absolute name for the rest. */ diff --git a/sound/core/info.c b/sound/core/info.c index 051d55b0552..9f404e965ea 100644 --- a/sound/core/info.c +++ b/sound/core/info.c @@ -684,7 +684,7 @@ int snd_info_card_free(struct snd_card *card) * snd_info_get_line - read one line from the procfs buffer * @buffer: the procfs buffer * @line: the buffer to store - * @len: the max. buffer size - 1 + * @len: the max. buffer size * * Reads one line from the buffer and stores the string. * @@ -704,7 +704,7 @@ int snd_info_get_line(struct snd_info_buffer *buffer, char *line, int len) buffer->stop = 1; if (c == '\n') break; - if (len) { + if (len > 1) { len--; *line++ = c; } diff --git a/sound/core/pcm_misc.c b/sound/core/pcm_misc.c index 4560ca0e565..2c6fd80e0bd 100644 --- a/sound/core/pcm_misc.c +++ b/sound/core/pcm_misc.c @@ -142,11 +142,11 @@ static struct pcm_format_data pcm_formats[(INT)SNDRV_PCM_FORMAT_LAST+1] = { }, [SNDRV_PCM_FORMAT_DSD_U8] = { .width = 8, .phys = 8, .le = 1, .signd = 0, - .silence = {}, + .silence = { 0x69 }, }, [SNDRV_PCM_FORMAT_DSD_U16_LE] = { .width = 16, .phys = 16, .le = 1, .signd = 0, - .silence = {}, + .silence = { 0x69, 0x69 }, }, /* FIXME: the following three formats are not defined properly yet */ [SNDRV_PCM_FORMAT_MPEG] = { diff --git a/sound/firewire/amdtp.c b/sound/firewire/amdtp.c index f96bf4c7c23..95fc2eaf11d 100644 --- a/sound/firewire/amdtp.c +++ b/sound/firewire/amdtp.c @@ -507,7 +507,16 @@ static void amdtp_pull_midi(struct amdtp_stream *s, static void update_pcm_pointers(struct amdtp_stream *s, struct snd_pcm_substream *pcm, unsigned int frames) -{ unsigned int ptr; +{ + unsigned int ptr; + + /* + * In IEC 61883-6, one data block represents one event. In ALSA, one + * event equals to one PCM frame. But Dice has a quirk to transfer + * two PCM frames in one data block. + */ + if (s->double_pcm_frames) + frames *= 2; ptr = s->pcm_buffer_pointer + frames; if (ptr >= pcm->runtime->buffer_size) diff --git a/sound/firewire/amdtp.h b/sound/firewire/amdtp.h index d8ee7b0e938..4823c08196a 100644 --- a/sound/firewire/amdtp.h +++ b/sound/firewire/amdtp.h @@ -125,6 +125,7 @@ struct amdtp_stream { unsigned int pcm_buffer_pointer; unsigned int pcm_period_pointer; bool pointer_flush; + bool double_pcm_frames; struct snd_rawmidi_substream *midi[AMDTP_MAX_CHANNELS_FOR_MIDI * 8]; diff --git a/sound/firewire/dice.c b/sound/firewire/dice.c index a9a30c0161f..e3a04d69c85 100644 --- a/sound/firewire/dice.c +++ b/sound/firewire/dice.c @@ -567,10 +567,14 @@ static int dice_hw_params(struct snd_pcm_substream *substream, return err; /* - * At rates above 96 kHz, pretend that the stream runs at half the - * actual sample rate with twice the number of channels; two samples - * of a channel are stored consecutively in the packet. Requires - * blocking mode and PCM buffer size should be aligned to SYT_INTERVAL. + * At 176.4/192.0 kHz, Dice has a quirk to transfer two PCM frames in + * one data block of AMDTP packet. Thus sampling transfer frequency is + * a half of PCM sampling frequency, i.e. PCM frames at 192.0 kHz are + * transferred on AMDTP packets at 96 kHz. Two successive samples of a + * channel are stored consecutively in the packet. This quirk is called + * as 'Dual Wire'. + * For this quirk, blocking mode is required and PCM buffer size should + * be aligned to SYT_INTERVAL. */ channels = params_channels(hw_params); if (rate_index > 4) { @@ -579,18 +583,25 @@ static int dice_hw_params(struct snd_pcm_substream *substream, return err; } - for (i = 0; i < channels; i++) { - dice->stream.pcm_positions[i * 2] = i; - dice->stream.pcm_positions[i * 2 + 1] = i + channels; - } - rate /= 2; channels *= 2; + dice->stream.double_pcm_frames = true; + } else { + dice->stream.double_pcm_frames = false; } mode = rate_index_to_mode(rate_index); amdtp_stream_set_parameters(&dice->stream, rate, channels, dice->rx_midi_ports[mode]); + if (rate_index > 4) { + channels /= 2; + + for (i = 0; i < channels; i++) { + dice->stream.pcm_positions[i] = i * 2; + dice->stream.pcm_positions[i + channels] = i * 2 + 1; + } + } + amdtp_stream_set_pcm_format(&dice->stream, params_format(hw_params)); diff --git a/sound/pci/ctxfi/ct20k1reg.h b/sound/pci/ctxfi/ct20k1reg.h index f2e34e3f27e..5851249f11d 100644 --- a/sound/pci/ctxfi/ct20k1reg.h +++ b/sound/pci/ctxfi/ct20k1reg.h @@ -7,7 +7,7 @@ */ #ifndef CT20K1REG_H -#define CT20k1REG_H +#define CT20K1REG_H /* 20k1 registers */ #define DSPXRAM_START 0x000000 @@ -632,5 +632,3 @@ #define I2SD_R 0x19L #endif /* CT20K1REG_H */ - - diff --git a/sound/pci/hda/ca0132_regs.h b/sound/pci/hda/ca0132_regs.h index 07e760937d3..8371274aa81 100644 --- a/sound/pci/hda/ca0132_regs.h +++ b/sound/pci/hda/ca0132_regs.h @@ -20,7 +20,7 @@ */ #ifndef __CA0132_REGS_H -#define __CA0312_REGS_H +#define __CA0132_REGS_H #define DSP_CHIP_OFFSET 0x100000 #define DSP_DBGCNTL_MODULE_OFFSET 0xE30 diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index 6f2fa838b63..6e5d0cb4e3d 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -217,6 +217,7 @@ enum { CXT_FIXUP_HEADPHONE_MIC_PIN, CXT_FIXUP_HEADPHONE_MIC, CXT_FIXUP_GPIO1, + CXT_FIXUP_ASPIRE_DMIC, CXT_FIXUP_THINKPAD_ACPI, CXT_FIXUP_OLPC_XO, CXT_FIXUP_CAP_MIX_AMP, @@ -664,6 +665,12 @@ static const struct hda_fixup cxt_fixups[] = { { } }, }, + [CXT_FIXUP_ASPIRE_DMIC] = { + .type = HDA_FIXUP_FUNC, + .v.func = cxt_fixup_stereo_dmic, + .chained = true, + .chain_id = CXT_FIXUP_GPIO1, + }, [CXT_FIXUP_THINKPAD_ACPI] = { .type = HDA_FIXUP_FUNC, .v.func = hda_fixup_thinkpad_acpi, @@ -744,7 +751,7 @@ static const struct hda_model_fixup cxt5051_fixup_models[] = { static const struct snd_pci_quirk cxt5066_fixups[] = { SND_PCI_QUIRK(0x1025, 0x0543, "Acer Aspire One 522", CXT_FIXUP_STEREO_DMIC), - SND_PCI_QUIRK(0x1025, 0x054c, "Acer Aspire 3830TG", CXT_FIXUP_GPIO1), + SND_PCI_QUIRK(0x1025, 0x054c, "Acer Aspire 3830TG", CXT_FIXUP_ASPIRE_DMIC), SND_PCI_QUIRK(0x1043, 0x138d, "Asus", CXT_FIXUP_HEADPHONE_MIC_PIN), SND_PCI_QUIRK(0x152d, 0x0833, "OLPC XO-1.5", CXT_FIXUP_OLPC_XO), SND_PCI_QUIRK(0x17aa, 0x20f2, "Lenovo T400", CXT_PINCFG_LENOVO_TP410), diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index d71270a3f73..1ba22fb527c 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -328,6 +328,7 @@ static void alc_auto_init_amp(struct hda_codec *codec, int type) case 0x10ec0885: case 0x10ec0887: /*case 0x10ec0889:*/ /* this causes an SPDIF problem */ + case 0x10ec0900: alc889_coef_init(codec); break; case 0x10ec0888: @@ -2350,6 +2351,7 @@ static int patch_alc882(struct hda_codec *codec) switch (codec->vendor_id) { case 0x10ec0882: case 0x10ec0885: + case 0x10ec0900: break; default: /* ALC883 and variants */ @@ -4408,6 +4410,7 @@ enum { ALC292_FIXUP_TPT440_DOCK, ALC283_FIXUP_BXBT2807_MIC, ALC255_FIXUP_DELL_WMI_MIC_MUTE_LED, + ALC282_FIXUP_ASPIRE_V5_PINS, }; static const struct hda_fixup alc269_fixups[] = { @@ -4855,6 +4858,22 @@ static const struct hda_fixup alc269_fixups[] = { .chained_before = true, .chain_id = ALC255_FIXUP_DELL1_MIC_NO_PRESENCE }, + [ALC282_FIXUP_ASPIRE_V5_PINS] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x12, 0x90a60130 }, + { 0x14, 0x90170110 }, + { 0x17, 0x40000008 }, + { 0x18, 0x411111f0 }, + { 0x19, 0x411111f0 }, + { 0x1a, 0x411111f0 }, + { 0x1b, 0x411111f0 }, + { 0x1d, 0x40f89b2d }, + { 0x1e, 0x411111f0 }, + { 0x21, 0x0321101f }, + { }, + }, + }, }; @@ -4866,6 +4885,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1025, 0x0740, "Acer AO725", ALC271_FIXUP_HP_GATE_MIC_JACK), SND_PCI_QUIRK(0x1025, 0x0742, "Acer AO756", ALC271_FIXUP_HP_GATE_MIC_JACK), SND_PCI_QUIRK(0x1025, 0x0775, "Acer Aspire E1-572", ALC271_FIXUP_HP_GATE_MIC_JACK_E1_572), + SND_PCI_QUIRK(0x1025, 0x079b, "Acer Aspire V5-573G", ALC282_FIXUP_ASPIRE_V5_PINS), SND_PCI_QUIRK(0x1028, 0x0470, "Dell M101z", ALC269_FIXUP_DELL_M101Z), SND_PCI_QUIRK(0x1028, 0x05bd, "Dell", ALC269_FIXUP_DELL2_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x05be, "Dell", ALC269_FIXUP_DELL2_MIC_NO_PRESENCE), diff --git a/sound/soc/codecs/cs4265.c b/sound/soc/codecs/cs4265.c index a20b30ca52c..98523209f73 100644 --- a/sound/soc/codecs/cs4265.c +++ b/sound/soc/codecs/cs4265.c @@ -282,10 +282,10 @@ static const struct cs4265_clk_para clk_map_table[] = { /*64k*/ {8192000, 64000, 1, 0}, - {1228800, 64000, 1, 1}, - {1693440, 64000, 1, 2}, - {2457600, 64000, 1, 3}, - {3276800, 64000, 1, 4}, + {12288000, 64000, 1, 1}, + {16934400, 64000, 1, 2}, + {24576000, 64000, 1, 3}, + {32768000, 64000, 1, 4}, /* 88.2k */ {11289600, 88200, 1, 0}, @@ -435,10 +435,10 @@ static int cs4265_pcm_hw_params(struct snd_pcm_substream *substream, index = cs4265_get_clk_index(cs4265->sysclk, params_rate(params)); if (index >= 0) { snd_soc_update_bits(codec, CS4265_ADC_CTL, - CS4265_ADC_FM, clk_map_table[index].fm_mode); + CS4265_ADC_FM, clk_map_table[index].fm_mode << 6); snd_soc_update_bits(codec, CS4265_MCLK_FREQ, CS4265_MCLK_FREQ_MASK, - clk_map_table[index].mclkdiv); + clk_map_table[index].mclkdiv << 4); } else { dev_err(codec->dev, "can't get correct mclk\n"); diff --git a/sound/soc/codecs/da732x.h b/sound/soc/codecs/da732x.h index 1dceafeec41..f586cbd30b7 100644 --- a/sound/soc/codecs/da732x.h +++ b/sound/soc/codecs/da732x.h @@ -11,7 +11,7 @@ */ #ifndef __DA732X_H_ -#define __DA732X_H +#define __DA732X_H_ #include <sound/soc.h> diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c index 6bc6efdec55..f1ec6e6bd08 100644 --- a/sound/soc/codecs/rt5640.c +++ b/sound/soc/codecs/rt5640.c @@ -2059,6 +2059,7 @@ static struct snd_soc_codec_driver soc_codec_dev_rt5640 = { static const struct regmap_config rt5640_regmap = { .reg_bits = 8, .val_bits = 16, + .use_single_rw = true, .max_register = RT5640_VENDOR_ID2 + 1 + (ARRAY_SIZE(rt5640_ranges) * RT5640_PR_SPACING), diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c index 67f14556462..5337c448b5e 100644 --- a/sound/soc/codecs/rt5677.c +++ b/sound/soc/codecs/rt5677.c @@ -2135,10 +2135,10 @@ static const struct snd_soc_dapm_route rt5677_dapm_routes[] = { { "BST2", NULL, "IN2P" }, { "BST2", NULL, "IN2N" }, - { "IN1P", NULL, "micbias1" }, - { "IN1N", NULL, "micbias1" }, - { "IN2P", NULL, "micbias1" }, - { "IN2N", NULL, "micbias1" }, + { "IN1P", NULL, "MICBIAS1" }, + { "IN1N", NULL, "MICBIAS1" }, + { "IN2P", NULL, "MICBIAS1" }, + { "IN2N", NULL, "MICBIAS1" }, { "ADC 1", NULL, "BST1" }, { "ADC 1", NULL, "ADC 1 power" }, diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index 159e517fa09..cef7776b712 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -481,12 +481,19 @@ static int asoc_simple_card_probe(struct platform_device *pdev) snd_soc_card_set_drvdata(&priv->snd_card, priv); ret = devm_snd_soc_register_card(&pdev->dev, &priv->snd_card); + if (ret >= 0) + return ret; err: asoc_simple_card_unref(pdev); return ret; } +static int asoc_simple_card_remove(struct platform_device *pdev) +{ + return asoc_simple_card_unref(pdev); +} + static const struct of_device_id asoc_simple_of_match[] = { { .compatible = "simple-audio-card", }, {}, @@ -500,6 +507,7 @@ static struct platform_driver asoc_simple_card = { .of_match_table = asoc_simple_of_match, }, .probe = asoc_simple_card_probe, + .remove = asoc_simple_card_remove, }; module_platform_driver(asoc_simple_card); diff --git a/sound/soc/omap/omap-twl4030.c b/sound/soc/omap/omap-twl4030.c index f8a6adc2d81..4336d183148 100644 --- a/sound/soc/omap/omap-twl4030.c +++ b/sound/soc/omap/omap-twl4030.c @@ -260,7 +260,7 @@ static struct snd_soc_dai_link omap_twl4030_dai_links[] = { .stream_name = "TWL4030 Voice", .cpu_dai_name = "omap-mcbsp.3", .codec_dai_name = "twl4030-voice", - .platform_name = "omap-mcbsp.2", + .platform_name = "omap-mcbsp.3", .codec_name = "twl4030-codec", .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_CBM_CFM, diff --git a/sound/soc/sh/rcar/gen.c b/sound/soc/sh/rcar/gen.c index 3fdf3be7b99..f95e7ab135e 100644 --- a/sound/soc/sh/rcar/gen.c +++ b/sound/soc/sh/rcar/gen.c @@ -247,7 +247,7 @@ rsnd_gen2_dma_addr(struct rsnd_priv *priv, }; /* it shouldn't happen */ - if (use_dvc & !use_src) + if (use_dvc && !use_src) dev_err(dev, "DVC is selected without SRC\n"); /* use SSIU or SSI ? */ diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index d4bfd4a9076..889f4e3d35d 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1325,7 +1325,7 @@ static int soc_post_component_init(struct snd_soc_pcm_runtime *rtd, device_initialize(rtd->dev); rtd->dev->parent = rtd->card->dev; rtd->dev->release = rtd_release; - rtd->dev->init_name = name; + dev_set_name(rtd->dev, "%s", name); dev_set_drvdata(rtd->dev, rtd); mutex_init(&rtd->pcm_mutex); INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].be_clients); diff --git a/sound/soc/tegra/tegra_asoc_utils.h b/sound/soc/tegra/tegra_asoc_utils.h index 9577121ce97..ca803763410 100644 --- a/sound/soc/tegra/tegra_asoc_utils.h +++ b/sound/soc/tegra/tegra_asoc_utils.h @@ -21,7 +21,7 @@ */ #ifndef __TEGRA_ASOC_UTILS_H__ -#define __TEGRA_ASOC_UTILS_H_ +#define __TEGRA_ASOC_UTILS_H__ struct clk; struct device; diff --git a/tools/testing/selftests/ipc/Makefile b/tools/testing/selftests/ipc/Makefile index 5386fd7c43a..74bbefdeaf4 100644 --- a/tools/testing/selftests/ipc/Makefile +++ b/tools/testing/selftests/ipc/Makefile @@ -1,18 +1,18 @@ uname_M := $(shell uname -m 2>/dev/null || echo not) ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/) ifeq ($(ARCH),i386) - ARCH := X86 + ARCH := x86 CFLAGS := -DCONFIG_X86_32 -D__i386__ endif ifeq ($(ARCH),x86_64) - ARCH := X86 + ARCH := x86 CFLAGS := -DCONFIG_X86_64 -D__x86_64__ endif CFLAGS += -I../../../../usr/include/ all: -ifeq ($(ARCH),X86) +ifeq ($(ARCH),x86) gcc $(CFLAGS) msgque.c -o msgque_test else echo "Not an x86 target, can't build msgque selftest" diff --git a/tools/testing/selftests/kcmp/Makefile b/tools/testing/selftests/kcmp/Makefile index d7d6bbeeff2..8aabd82db9e 100644 --- a/tools/testing/selftests/kcmp/Makefile +++ b/tools/testing/selftests/kcmp/Makefile @@ -1,11 +1,11 @@ uname_M := $(shell uname -m 2>/dev/null || echo not) ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/) ifeq ($(ARCH),i386) - ARCH := X86 + ARCH := x86 CFLAGS := -DCONFIG_X86_32 -D__i386__ endif ifeq ($(ARCH),x86_64) - ARCH := X86 + ARCH := x86 CFLAGS := -DCONFIG_X86_64 -D__x86_64__ endif @@ -15,7 +15,7 @@ CFLAGS += -I../../../../usr/include/ CFLAGS += -I../../../../arch/x86/include/ all: -ifeq ($(ARCH),X86) +ifeq ($(ARCH),x86) gcc $(CFLAGS) kcmp_test.c -o kcmp_test else echo "Not an x86 target, can't build kcmp selftest" diff --git a/tools/testing/selftests/memfd/Makefile b/tools/testing/selftests/memfd/Makefile index 6816c491c5f..ad4ab01cd28 100644 --- a/tools/testing/selftests/memfd/Makefile +++ b/tools/testing/selftests/memfd/Makefile @@ -1,10 +1,10 @@ uname_M := $(shell uname -m 2>/dev/null || echo not) ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/) ifeq ($(ARCH),i386) - ARCH := X86 + ARCH := x86 endif ifeq ($(ARCH),x86_64) - ARCH := X86 + ARCH := x86 endif CFLAGS += -D_FILE_OFFSET_BITS=64 @@ -14,20 +14,20 @@ CFLAGS += -I../../../../include/uapi/ CFLAGS += -I../../../../include/ all: -ifeq ($(ARCH),X86) +ifeq ($(ARCH),x86) gcc $(CFLAGS) memfd_test.c -o memfd_test else echo "Not an x86 target, can't build memfd selftest" endif run_tests: all -ifeq ($(ARCH),X86) +ifeq ($(ARCH),x86) gcc $(CFLAGS) memfd_test.c -o memfd_test endif @./memfd_test || echo "memfd_test: [FAIL]" build_fuse: -ifeq ($(ARCH),X86) +ifeq ($(ARCH),x86) gcc $(CFLAGS) fuse_mnt.c `pkg-config fuse --cflags --libs` -o fuse_mnt gcc $(CFLAGS) fuse_test.c -o fuse_test else diff --git a/drivers/staging/usbip/userspace/.gitignore b/tools/usb/usbip/.gitignore index 9aad9e30a8b..9aad9e30a8b 100644 --- a/drivers/staging/usbip/userspace/.gitignore +++ b/tools/usb/usbip/.gitignore diff --git a/drivers/staging/usbip/userspace/AUTHORS b/tools/usb/usbip/AUTHORS index a27ea8d03ae..a27ea8d03ae 100644 --- a/drivers/staging/usbip/userspace/AUTHORS +++ b/tools/usb/usbip/AUTHORS diff --git a/drivers/staging/usbip/userspace/COPYING b/tools/usb/usbip/COPYING index c5611e48a8e..c5611e48a8e 100644 --- a/drivers/staging/usbip/userspace/COPYING +++ b/tools/usb/usbip/COPYING diff --git a/drivers/staging/usbip/userspace/INSTALL b/tools/usb/usbip/INSTALL index d3c5b40a940..d3c5b40a940 100644 --- a/drivers/staging/usbip/userspace/INSTALL +++ b/tools/usb/usbip/INSTALL diff --git a/drivers/staging/usbip/userspace/Makefile.am b/tools/usb/usbip/Makefile.am index 66f8bf038c9..66f8bf038c9 100644 --- a/drivers/staging/usbip/userspace/Makefile.am +++ b/tools/usb/usbip/Makefile.am diff --git a/drivers/staging/usbip/userspace/README b/tools/usb/usbip/README index 831f49fea3c..831f49fea3c 100644 --- a/drivers/staging/usbip/userspace/README +++ b/tools/usb/usbip/README diff --git a/drivers/staging/usbip/userspace/autogen.sh b/tools/usb/usbip/autogen.sh index e1112d3fcbf..e1112d3fcbf 100755 --- a/drivers/staging/usbip/userspace/autogen.sh +++ b/tools/usb/usbip/autogen.sh diff --git a/drivers/staging/usbip/userspace/cleanup.sh b/tools/usb/usbip/cleanup.sh index 955c3ccb729..955c3ccb729 100755 --- a/drivers/staging/usbip/userspace/cleanup.sh +++ b/tools/usb/usbip/cleanup.sh diff --git a/drivers/staging/usbip/userspace/configure.ac b/tools/usb/usbip/configure.ac index 607d05c5ccf..607d05c5ccf 100644 --- a/drivers/staging/usbip/userspace/configure.ac +++ b/tools/usb/usbip/configure.ac diff --git a/drivers/staging/usbip/userspace/doc/usbip.8 b/tools/usb/usbip/doc/usbip.8 index a6097be25d2..a6097be25d2 100644 --- a/drivers/staging/usbip/userspace/doc/usbip.8 +++ b/tools/usb/usbip/doc/usbip.8 diff --git a/drivers/staging/usbip/userspace/doc/usbipd.8 b/tools/usb/usbip/doc/usbipd.8 index ac4635db3f0..ac4635db3f0 100644 --- a/drivers/staging/usbip/userspace/doc/usbipd.8 +++ b/tools/usb/usbip/doc/usbipd.8 diff --git a/drivers/staging/usbip/userspace/libsrc/Makefile.am b/tools/usb/usbip/libsrc/Makefile.am index 7c8f8a4d54e..7c8f8a4d54e 100644 --- a/drivers/staging/usbip/userspace/libsrc/Makefile.am +++ b/tools/usb/usbip/libsrc/Makefile.am diff --git a/drivers/staging/usbip/userspace/libsrc/list.h b/tools/usb/usbip/libsrc/list.h index 8d0c936e184..8d0c936e184 100644 --- a/drivers/staging/usbip/userspace/libsrc/list.h +++ b/tools/usb/usbip/libsrc/list.h diff --git a/drivers/staging/usbip/userspace/libsrc/names.c b/tools/usb/usbip/libsrc/names.c index 81ff8522405..81ff8522405 100644 --- a/drivers/staging/usbip/userspace/libsrc/names.c +++ b/tools/usb/usbip/libsrc/names.c diff --git a/drivers/staging/usbip/userspace/libsrc/names.h b/tools/usb/usbip/libsrc/names.h index 680926512de..680926512de 100644 --- a/drivers/staging/usbip/userspace/libsrc/names.h +++ b/tools/usb/usbip/libsrc/names.h diff --git a/drivers/staging/usbip/userspace/libsrc/sysfs_utils.c b/tools/usb/usbip/libsrc/sysfs_utils.c index 36ac88ece0b..36ac88ece0b 100644 --- a/drivers/staging/usbip/userspace/libsrc/sysfs_utils.c +++ b/tools/usb/usbip/libsrc/sysfs_utils.c diff --git a/drivers/staging/usbip/userspace/libsrc/sysfs_utils.h b/tools/usb/usbip/libsrc/sysfs_utils.h index 32ac1d105d1..32ac1d105d1 100644 --- a/drivers/staging/usbip/userspace/libsrc/sysfs_utils.h +++ b/tools/usb/usbip/libsrc/sysfs_utils.h diff --git a/drivers/staging/usbip/userspace/libsrc/usbip_common.c b/tools/usb/usbip/libsrc/usbip_common.c index ac73710473d..ac73710473d 100644 --- a/drivers/staging/usbip/userspace/libsrc/usbip_common.c +++ b/tools/usb/usbip/libsrc/usbip_common.c diff --git a/drivers/staging/usbip/userspace/libsrc/usbip_common.h b/tools/usb/usbip/libsrc/usbip_common.h index 5a0e95edf4d..15fe792e1e9 100644 --- a/drivers/staging/usbip/userspace/libsrc/usbip_common.h +++ b/tools/usb/usbip/libsrc/usbip_common.h @@ -15,7 +15,7 @@ #include <syslog.h> #include <unistd.h> #include <linux/usb/ch9.h> -#include "../../uapi/usbip.h" +#include <linux/usbip.h> #ifndef USBIDS_FILE #define USBIDS_FILE "/usr/share/hwdata/usb.ids" diff --git a/drivers/staging/usbip/userspace/libsrc/usbip_host_driver.c b/tools/usb/usbip/libsrc/usbip_host_driver.c index bef08d5c44e..bef08d5c44e 100644 --- a/drivers/staging/usbip/userspace/libsrc/usbip_host_driver.c +++ b/tools/usb/usbip/libsrc/usbip_host_driver.c diff --git a/drivers/staging/usbip/userspace/libsrc/usbip_host_driver.h b/tools/usb/usbip/libsrc/usbip_host_driver.h index 2a31f855c61..2a31f855c61 100644 --- a/drivers/staging/usbip/userspace/libsrc/usbip_host_driver.h +++ b/tools/usb/usbip/libsrc/usbip_host_driver.h diff --git a/drivers/staging/usbip/userspace/libsrc/vhci_driver.c b/tools/usb/usbip/libsrc/vhci_driver.c index ad920477353..ad920477353 100644 --- a/drivers/staging/usbip/userspace/libsrc/vhci_driver.c +++ b/tools/usb/usbip/libsrc/vhci_driver.c diff --git a/drivers/staging/usbip/userspace/libsrc/vhci_driver.h b/tools/usb/usbip/libsrc/vhci_driver.h index fa2316cf2ca..fa2316cf2ca 100644 --- a/drivers/staging/usbip/userspace/libsrc/vhci_driver.h +++ b/tools/usb/usbip/libsrc/vhci_driver.h diff --git a/drivers/staging/usbip/userspace/src/Makefile.am b/tools/usb/usbip/src/Makefile.am index e81a4ebadef..e81a4ebadef 100644 --- a/drivers/staging/usbip/userspace/src/Makefile.am +++ b/tools/usb/usbip/src/Makefile.am diff --git a/drivers/staging/usbip/userspace/src/usbip.c b/tools/usb/usbip/src/usbip.c index d7599d94352..d7599d94352 100644 --- a/drivers/staging/usbip/userspace/src/usbip.c +++ b/tools/usb/usbip/src/usbip.c diff --git a/drivers/staging/usbip/userspace/src/usbip.h b/tools/usb/usbip/src/usbip.h index 84fe66a9d8a..84fe66a9d8a 100644 --- a/drivers/staging/usbip/userspace/src/usbip.h +++ b/tools/usb/usbip/src/usbip.h diff --git a/drivers/staging/usbip/userspace/src/usbip_attach.c b/tools/usb/usbip/src/usbip_attach.c index d58a14dfc09..d58a14dfc09 100644 --- a/drivers/staging/usbip/userspace/src/usbip_attach.c +++ b/tools/usb/usbip/src/usbip_attach.c diff --git a/drivers/staging/usbip/userspace/src/usbip_bind.c b/tools/usb/usbip/src/usbip_bind.c index fa46141ae68..fa46141ae68 100644 --- a/drivers/staging/usbip/userspace/src/usbip_bind.c +++ b/tools/usb/usbip/src/usbip_bind.c diff --git a/drivers/staging/usbip/userspace/src/usbip_detach.c b/tools/usb/usbip/src/usbip_detach.c index 05c6d15856e..05c6d15856e 100644 --- a/drivers/staging/usbip/userspace/src/usbip_detach.c +++ b/tools/usb/usbip/src/usbip_detach.c diff --git a/drivers/staging/usbip/userspace/src/usbip_list.c b/tools/usb/usbip/src/usbip_list.c index d5ce34a410e..d5ce34a410e 100644 --- a/drivers/staging/usbip/userspace/src/usbip_list.c +++ b/tools/usb/usbip/src/usbip_list.c diff --git a/drivers/staging/usbip/userspace/src/usbip_network.c b/tools/usb/usbip/src/usbip_network.c index b4c37e76a6e..b4c37e76a6e 100644 --- a/drivers/staging/usbip/userspace/src/usbip_network.c +++ b/tools/usb/usbip/src/usbip_network.c diff --git a/drivers/staging/usbip/userspace/src/usbip_network.h b/tools/usb/usbip/src/usbip_network.h index c1e875cf107..c1e875cf107 100644 --- a/drivers/staging/usbip/userspace/src/usbip_network.h +++ b/tools/usb/usbip/src/usbip_network.h diff --git a/drivers/staging/usbip/userspace/src/usbip_port.c b/tools/usb/usbip/src/usbip_port.c index a2e884fd922..a2e884fd922 100644 --- a/drivers/staging/usbip/userspace/src/usbip_port.c +++ b/tools/usb/usbip/src/usbip_port.c diff --git a/drivers/staging/usbip/userspace/src/usbip_unbind.c b/tools/usb/usbip/src/usbip_unbind.c index a4a496c9cba..a4a496c9cba 100644 --- a/drivers/staging/usbip/userspace/src/usbip_unbind.c +++ b/tools/usb/usbip/src/usbip_unbind.c diff --git a/drivers/staging/usbip/userspace/src/usbipd.c b/tools/usb/usbip/src/usbipd.c index 2f87f2d348b..2f87f2d348b 100644 --- a/drivers/staging/usbip/userspace/src/usbipd.c +++ b/tools/usb/usbip/src/usbipd.c diff --git a/drivers/staging/usbip/userspace/src/utils.c b/tools/usb/usbip/src/utils.c index 2b3d6d23501..2b3d6d23501 100644 --- a/drivers/staging/usbip/userspace/src/utils.c +++ b/tools/usb/usbip/src/utils.c diff --git a/drivers/staging/usbip/userspace/src/utils.h b/tools/usb/usbip/src/utils.h index 5916fd3e02a..5916fd3e02a 100644 --- a/drivers/staging/usbip/userspace/src/utils.h +++ b/tools/usb/usbip/src/utils.h |