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sk_rmem_alloc is disclosed via /proc/net/packet but not via netlink messages.
The goal is to have the same level of information.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This value is disclosed via /proc/net/packet but not via netlink messages.
The goal is to have the same level of information.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon update from Guenter Roeck:
- New drivers for NCT6775, NCT6776, NCT6779, and LM95234.
- Added support for LTC2974, LTC3883, LM25056, TMP431, TMP432, ADT7310,
and ADT7320 to existing drivers.
- Various code cleanups and minor improvements.
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (54 commits)
hwmon: (nct6775) Fix coding style problems
hwmon: (nct6775) Constify strings
hwmon: (tmp401) Add support for TMP432
hwmon: (tmp401) Add support for update_interval attribute
hwmon: (tmp401) Reset valid flag when resetting temperature history
hwmon: (tmp401) Simplification and cleanup
hwmon: (tmp401) Use sysfs_create_group / sysfs_remove_group
hwmon: (tmp401) Drop unused defines, use BIT for bit masks
hwmon: (nct6775) Use ARRAY_SIZE for loops where possible
documentation: hwmon: Fix typo in documentation/hwmon
hwmon: (nct6775) Enable both AUXTIN and VIN3 on NCT6776
hwmon: (ad7314) use spi_get_drvdata() and spi_set_drvdata()
MAINTAINERS: Add myself as maintainer for the NCT6775 driver
hwmon: (nct6775) Expand scope of supported chips
hwmon: (gpio-fan) Use is_visible to determine if attributes should be created
hwmon: (tmp401) Fix device detection for TMP411B and TMP411C
hwmon: Add driver for LM95234
hwmon: (tmp401) Add support for TMP431
hwmon: (pmbus/lm25066) Add support for LM25056
hwmon: (pmbus/lm25066) Refactor device specific coefficients
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pinctrl update from Linus Walleij:
"These are the pinctrl changes for v3.10:
- Patrice Chotard contributed a new configuration debugfs interface
and reintroduced fine-grained locking into the core: instead of
having a "big pinctrl lock" we have a per-controller lock and
specialized locks for the global controller and pinctrl handle
lists.
- Haoijan Zhuang deleted all the PXA and MMP2 pinctrl drivers and
replaced them with pinctrl-single (which is also used by other
SoCs) so we are gaining consolidation. The platform particulars
now come in through the device tree.
- Haoijan also added support for generic pin config into the
pinctrl-single driver which is another big consolidation win.
- Finally also GPIO ranges are now supported by the pinctrl-single
driver.
- Tomasz Figa contributed a new Samsung S3C pinctrl driver, bringing
more of the older Samsung platforms under the pinctrl umbrella and
out of arch/arm.
- Maxime Ripard contributed new Allwinner A10/A13 drivers.
- Sachin Kamat, Wei Yongjun and Axel Lin did a lot of cleanups."
* tag 'pinctrl-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (66 commits)
pinctrl: move subsystem mutex to pinctrl_dev struct
pinctrl/pinconfig: fix misplaced goto
pinctrl: s3c64xx: Fix build error caused by undefined chained_irq_enter
pinctrl/pinconfig: add debug interface
pinctrl: abx500: fix issue when no pdata
pinctrl: pinctrl-single: add missing double quote
pinctrl: sunxi: Rename wemac functions to emac
pinctrl: exynos5440: add gpio interrupt support
pinctrl: exynos5440: fix probe failure due to missing pin-list in config nodes
pinctrl: ab8505: Staticize some symbols
pinctrl: ab8540: Staticize some symbols
pinctrl: ab9540: Staticize some symbols
pinctrl: ab8500: Staticize some symbols
pinctrl: abx500: Staticize some symbols
pinctrl: Add pinctrl-s3c64xx driver
pinctrl: samsung: Handle banks with two configuration registers
pinctrl: samsung: Remove hardcoded register offsets
pinctrl: samsung: Split pin bank description into two structures
pinctrl: samsung: Include pinctrl-exynos driver data conditionally
pinctrl: samsung: Protect bank registers with a spinlock
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Pull fbdev updates from Tomi Valkeinen:
- use vm_iomap_memory() in various fb drivers to map the fb memory to
userspace
- Cleanups for the videomode and display_timing features
- Updates to vt8500, wm8505 and auo-k190x fb drivers
* tag 'fbdev-for-3.10' of git://gitorious.org/linux-omap-dss2/linux: (36 commits)
fbdev: fix check for fb_mmap's mmio availability
fbdev: improve fb_mmap bounds checks
fbdev/ps3fb: use vm_iomap_memory()
fbdev/sgivwfb: use vm_iomap_memory()
fbdev/vermillion: use vm_iomap_memory()
fbdev/sa1100fb: use vm_iomap_memory()
fbdev/fb-puv3: use vm_iomap_memory()
fbdev/controlfb: use vm_iomap_memory()
fbdev/omapfb: use vm_iomap_memory()
video: vt8500: fix Kconfig for videomode
video/s3c: move platform_data out of arch/arm
video/exynos: remove unnecessary header inclusions
drivers/video: fsl-diu-fb: add hardware cursor support
drivers: video: use module_platform_driver_probe()
ARM: OMAP: remove "config FB_OMAP_CONSISTENT_DMA_SIZE"
video: wm8505fb: Convert to devm_ioremap_resource()
AUO-K190x: Add resolutions for portrait displays
AUO-K190x: add framebuffer rotation support
AUO-K190x: add a 16bit truecolor mode
AUO-K190x: make color handling more flexible
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"PCI changes for the v3.10 merge window:
PCI device hotplug
- Remove ACPI PCI subdrivers (Jiang Liu, Myron Stowe)
- Make acpiphp builtin only, not modular (Jiang Liu)
- Add acpiphp mutual exclusion (Jiang Liu)
Power management
- Skip "PME enabled/disabled" messages when not supported (Rafael
Wysocki)
- Fix fallback to PCI_D0 (Rafael Wysocki)
Miscellaneous
- Factor quirk_io_region (Yinghai Lu)
- Cache MSI capability offsets & cleanup (Gavin Shan, Bjorn Helgaas)
- Clean up EISA resource initialization and logging (Bjorn Helgaas)
- Fix prototype warnings (Andy Shevchenko, Bjorn Helgaas)
- MIPS: Initialize of_node before scanning bus (Gabor Juhos)
- Fix pcibios_get_phb_of_node() declaration "weak" annotation (Gabor
Juhos)
- Add MSI INTX_DISABLE quirks for AR8161/AR8162/etc (Xiong Huang)
- Fix aer_inject return values (Prarit Bhargava)
- Remove PME/ACPI dependency (Andrew Murray)
- Use shared PCI_BUS_NUM() and PCI_DEVID() (Shuah Khan)"
* tag 'pci-v3.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (63 commits)
vfio-pci: Use cached MSI/MSI-X capabilities
vfio-pci: Use PCI_MSIX_TABLE_BIR, not PCI_MSIX_FLAGS_BIRMASK
PCI: Remove "extern" from function declarations
PCI: Use PCI_MSIX_TABLE_BIR, not PCI_MSIX_FLAGS_BIRMASK
PCI: Drop msi_mask_reg() and remove drivers/pci/msi.h
PCI: Use msix_table_size() directly, drop multi_msix_capable()
PCI: Drop msix_table_offset_reg() and msix_pba_offset_reg() macros
PCI: Drop is_64bit_address() and is_mask_bit_support() macros
PCI: Drop msi_data_reg() macro
PCI: Drop msi_lower_address_reg() and msi_upper_address_reg() macros
PCI: Drop msi_control_reg() macro and use PCI_MSI_FLAGS directly
PCI: Use cached MSI/MSI-X offsets from dev, not from msi_desc
PCI: Clean up MSI/MSI-X capability #defines
PCI: Use cached MSI-X cap while enabling MSI-X
PCI: Use cached MSI cap while enabling MSI interrupts
PCI: Remove MSI/MSI-X cap check in pci_msi_check_device()
PCI: Cache MSI/MSI-X capability offsets in struct pci_dev
PCI: Use u8, not int, for PM capability offset
[SCSI] megaraid_sas: Use correct #define for MSI-X capability
PCI: Remove "extern" from function declarations
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Allow configuring the default destination port on a per-device basis.
Adds new netlink paramater IFLA_VXLAN_PORT to allow setting destination
port when creating new vxlan.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Source compatiability for build iproute2 was broken by:
commit c7995c43facc6e5dea4de63fa9d283a337aabeb1
Author: Atzm Watanabe <atzm@stratosphere.co.jp>
vxlan: Allow setting destination to unicast address.
Since this commit has not made it upstream (still net-next),
and better to avoid gratitious changes to exported API's;
go back to original definition, and add a comment.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking changes from Ingo Molnar:
"The most noticeable change are mutex speedups from Waiman Long, for
higher loads. These scalability changes should be most noticeable on
larger server systems.
There are also cleanups, fixes and debuggability improvements."
* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
lockdep: Consolidate bug messages into a single print_lockdep_off() function
lockdep: Print out additional debugging advice when we hit lockdep BUGs
mutex: Back out architecture specific check for negative mutex count
mutex: Queue mutex spinners with MCS lock to reduce cacheline contention
mutex: Make more scalable by doing less atomic operations
mutex: Move mutex spinning code from sched/core.c back to mutex.c
locking/rtmutex/tester: Set correct permissions on sysfs files
lockdep: Remove unnecessary 'hlock_next' variable
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git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
Pull Xen updates from Konrad Rzeszutek Wilk:
"Features:
- Populate the boot_params with EDD data.
- Cleanups in the IRQ code.
Bug-fixes:
- CPU hotplug offline/online in PVHVM mode.
- Re-upload processor PM data after ACPI S3 suspend/resume cycle."
And Konrad gets a gold star for sending the pull request early when he
thought he'd be away for the first week of the merge window (but because
of 3.9 dragging out to -rc8 he then re-sent the reminder on the first
day of the merge window anyway)
* tag 'stable/for-linus-3.10-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen: resolve section mismatch warnings in xen-acpi-processor
xen: Re-upload processor PM data to hypervisor after S3 resume (v2)
xen/smp: Unifiy some of the PVs and PVHVM offline CPU path
xen/smp/pvhvm: Don't initialize IRQ_WORKER as we are using the native one.
xen/spinlock: Disable IRQ spinlock (PV) allocation on PVHVM
xen/spinlock: Check against default value of -1 for IRQ line.
xen/time: Add default value of -1 for IRQ and check for that.
xen/events: Check that IRQ value passed in is valid.
xen/time: Fix kasprintf splat when allocating timer%d IRQ line.
xen/smp/spinlock: Fix leakage of the spinlock interrupt line for every CPU online/offline
xen/smp: Fix leakage of timer interrupt line for every CPU online/offline.
xen kconfig: fix select INPUT_XEN_KBDDEV_FRONTEND
xen: drop tracking of IRQ vector
x86/xen: populate boot_params with EDD data
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Add a function to handle conversion from snd_pcm_format_t
to bitwise with proper typing.
Change such conversions to use this function and silence sparse
warnings.
Signed-off-by: Eldad Zack <eldad@fogrefinery.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This can help when debugging the free nid allocation flows.
Reviewed-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
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Merge in the clksrc/cleanup branch to avoid a silly merge conflict. For
some reason two versions of the same patch were merged in two
branches. Resolve this here to avoid merge conflicts down the road,
since it can be confusing to tell which version is the one to keep.
* clksrc/cleanup:
clocksource: make CLOCKSOURCE_OF_DECLARE type safe
Signed-off-by: Olof Johansson <olof@lixom.net>
Conflicts:
include/linux/clocksource.h
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Merge in the gic cleanup since it has a handful of annoying internal conflicts
with soc development branches. All of them are delete/delete conflicts.
* gic/cleanup:
irqchip: vic: add include of linux/irq.h
irqchip: gic: Perform the gic_secondary_init() call via CPU notifier
irqchip: gic: Call handle_bad_irq() directly
arm: Move chained_irq_(enter|exit) to a generic file
arm: Move the set_handle_irq and handle_arch_irq declarations to asm/irq.h
Signed-off-by: Olof Johansson <olof@lixom.net>
Conflicts:
arch/arm/mach-shmobile/smp-emev2.c
arch/arm/mach-shmobile/smp-r8a7779.c
arch/arm/mach-shmobile/smp-sh73a0.c
arch/arm/mach-socfpga/platsmp.c
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Merging in fixes since there's a conflict in the omap4 clock tables caused by
it.
* fixes: (245 commits)
ARM: highbank: fix cache flush ordering for cpu hotplug
ARM: OMAP4: hwmod data: make 'ocp2scp_usb_phy_phy_48m" as the main clock
arm: mvebu: Fix the irq map function in SMP mode
Fix GE0/GE1 init on ix2-200 as GE0 has no PHY
ARM: S3C24XX: Fix interrupt pending register offset of the EINT controller
ARM: S3C24XX: Correct NR_IRQS definition for s3c2440
ARM i.MX6: Fix ldb_di clock selection
ARM: imx: provide twd clock lookup from device tree
ARM: imx35 Bugfix admux clock
ARM: clk-imx35: Bugfix iomux clock
+ Linux 3.9-rc6
Signed-off-by: Olof Johansson <olof@lixom.net>
Conflicts:
arch/arm/mach-omap2/cclock44xx_data.c
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This patch extends the driver to support platforms that still use legacy
ATAGS-based boot, without device tree, by providing an exported function
that can be used from platform code to initialize the clocksource.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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This patch removes the unused samsung_pwm struct from public header.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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This patch makes the PWM spinlock global and exports it to allow using
it in Samsung PWM driver (will be reworked to use proper synchronization
in further patches).
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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We hope to at some point deprecate KVM legacy device assignment in
favor of VFIO-based assignment. Towards that end, allow legacy
device assignment to be deconfigured.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
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The VMX implementation of enable_irq_window raised
KVM_REQ_IMMEDIATE_EXIT after we checked it in vcpu_enter_guest. This
caused infinite loops on vmentry. Fix it by letting enable_irq_window
signal the need for an immediate exit via its return value and drop
KVM_REQ_IMMEDIATE_EXIT.
This issue only affects nested VMX scenarios.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
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* pm-cpufreq: (57 commits)
cpufreq: MAINTAINERS: Add co-maintainer
cpufreq: pxa2xx: initialize variables
ARM: S5pv210: compiling issue, ARM_S5PV210_CPUFREQ needs CONFIG_CPU_FREQ_TABLE=y
cpufreq: cpu0: Put cpu parent node after using it
cpufreq: ARM big LITTLE: Adapt to latest cpufreq updates
cpufreq: ARM big LITTLE: put DT nodes after using them
cpufreq: Don't call __cpufreq_governor() for drivers without target()
cpufreq: exynos5440: Protect OPP search calls with RCU lock
cpufreq: dbx500: Round to closest available freq
cpufreq: Call __cpufreq_governor() with correct policy->cpus mask
cpufreq / intel_pstate: Optimize intel_pstate_set_policy
cpufreq: OMAP: instantiate omap-cpufreq as a platform_driver
arm: exynos: Enable OPP library support for exynos5440
cpufreq: exynos: Remove error return even if no soc is found
cpufreq: exynos: Add cpufreq driver for exynos5440
cpufreq: AMD "frequency sensitivity feedback" powersave bias for ondemand governor
cpufreq: ondemand: allow custom powersave_bias_target handler to be registered
cpufreq: convert cpufreq_driver to using RCU
cpufreq: powerpc/platforms/cell: move cpufreq driver to drivers/cpufreq
cpufreq: sparc: move cpufreq driver to drivers/cpufreq
...
Conflicts:
MAINTAINERS (with commit a8e39c3 from pm-cpuidle)
drivers/cpufreq/cpufreq_governor.h (with commit beb0ff3)
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* pm-cpuidle: (51 commits)
cpuidle: add maintainer entry
ARM: s3c64xx: cpuidle: use init/exit common routine
SH: cpuidle: use init/exit common routine
cpuidle: fix comment format
ARM: imx: cpuidle: use init/exit common routine
ARM: davinci: cpuidle: use init/exit common routine
ARM: kirkwood: cpuidle: use init/exit common routine
ARM: calxeda: cpuidle: use init/exit common routine
ARM: tegra: cpuidle: use init/exit common routine for tegra3
ARM: tegra: cpuidle: use init/exit common routine for tegra2
ARM: OMAP4: cpuidle: use init/exit common routine
ARM: shmobile: cpuidle: use init/exit common routine
ARM: tegra: cpuidle: use init/exit common routine
ARM: OMAP3: cpuidle: use init/exit common routine
ARM: at91: cpuidle: use init/exit common routine
ARM: ux500: cpuidle: use init/exit common routine
cpuidle: make a single register function for all
ARM: ux500: cpuidle: replace for_each_online_cpu by for_each_possible_cpu
cpuidle: remove en_core_tk_irqen flag
ARM: OMAP3: remove cpuidle_wrap_enter
...
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* acpi-assorted: (21 commits)
ACPI / thermal: do not always return THERMAL_TREND_RAISING for active trip points
ACPI: video: correct acpi_video_bus_add error processing
ACPI: Fix wrong parameter passed to memblock_reserve
acpi: video: enhance the quirk detect logic of _BQC
ACPI: update comments for acpi_event_status
ACPI: remove "config ACPI_DEBUG_FUNC_TRACE"
PCI / ACPI: Don't query OSC support with all possible controls
ACPI / processor_thermal: avoid null pointer deference error
ACPI / fan: avoid null pointer deference error
ACPI / video: Fix applying indexed initial brightness value.
ACPI / video: Make logic a little easier to understand.
ACPI / video: Fix brightness control initialization for some laptops.
ACPI: Use resource_size() in osl.c
ACPI / acpi_pad: Used PTR_RET
ACPI: suppress compiler warning in container.c
ACPI: suppress compiler warning in battery.c
ACPI: suppress compiler warnings in processor_throttling.c
ACPI: suppress compiler warnings in button.c
ACPI: replace kmalloc+memcpy with kmemdup
ACPI: Remove acpi_pci_bind_root() definition
...
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* acpica: (33 commits)
ACPICA: Update version to 20130328
ACPICA: Add a lock to the internal object reference count mechanism
ACPICA: Fix a format string for 64-bit generation
ACPICA: Remove FORCE_DELETE option for global reference count mechanism
ACPICA: Improve error message for Index() operator
ACPICA: FADT: Remove extraneous warning for very large GPE registers
ACPICA: Fix a typo in a function header, no functional change
ACPICA: Fix a typo in an error message
ACPICA: Fix for some comments/headers
ACPICA: _OSI Support: handle any errors from acpi_os_acquire_mutex()
ACPICA: Predefine names: Add allowed argument types to master info table
ACPI: Set length even for TYPE_END_TAG acpi resource
ACPICA: Update version to 20130214
ACPICA: Object repair: Allow 0-length packages for variable-length packages
ACPICA: Disassembler: Add warnings for unresolved control methods
ACPICA: Return object repair: Add resource template repairs
ACPICA: Return object repair: Add string-to-unicode conversion
ACPICA: Split object conversion functions to a new file
ACPICA: Add mechanism for early object repairs on a per-name basis
ACPICA: Remove trailing comma in enum declarations
...
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* acpi-lpss:
ACPI / LPSS: make code less confusing for reader
ACPI / LPSS: Add support for exposing LTR registers to user space
ACPI / scan: Add special handler for Intel Lynxpoint LPSS devices
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* acpi-hotplug:
ACPI / memhotplug: Remove info->failed bit
ACPI / memhotplug: set info->enabled for memory present at boot time
ACPI: Verify device status after eject
acpi: remove reference to ACPI_HOTPLUG_IO
ACPI: Update _OST handling for notify
ACPI: Update PNPID match handling for notify
ACPI: Update PNPID set/free interfaces
ACPI: Remove acpi_device dependency in acpi_device_set_id()
ACPI / hotplug: Make acpi_hotplug_profile_ktype static
ACPI / scan: Make memory hotplug driver use struct acpi_scan_handler
ACPI / container: Use hotplug profile user space interface
ACPI / hotplug: Introduce user space interface for hotplug profiles
ACPI / scan: Introduce acpi_scan_handler_matching()
ACPI / container: Use common hotplug code
ACPI / scan: Introduce common code for ACPI-based device hotplug
ACPI / scan: Introduce acpi_scan_match_handler()
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Support getting VF config.
Signed-off-by: Rony Efraim <ronye@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add ndo_set_vf_spoofchk support
Signed-off-by: Rony Efraim <ronye@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support to ndo_set_vf_vlan in the driver. Once this call is used the vport
is considered to be in VST mode. In this mode, the PPF driver configures
Ethernet QPs created by this VF to use this vlan id and priority. Currently
RoCE isn't supported on that mode.
The special values of VID=4095 or VID=0,UP=0 are considered as VGT.
Signed-off-by: Rony Efraim <ronye@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add ndo_set_vf_mac support which allows to set the MAC address
for mlx4 VF Ethernet NICs from the host.
Signed-off-by: Rony Efraim <ronye@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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To improve code readiness, change the way the lines
are broken in this file.
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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For pseries machine emulation, in order to move the interrupt
controller code to the kernel, we need to intercept some RTAS
calls in the kernel itself. This adds an infrastructure to allow
in-kernel handlers to be registered for RTAS services by name.
A new ioctl, KVM_PPC_RTAS_DEFINE_TOKEN, then allows userspace to
associate token values with those service names. Then, when the
guest requests an RTAS service with one of those token values, it
will be handled by the relevant in-kernel handler rather than being
passed up to userspace as at present.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
[agraf: fix warning]
Signed-off-by: Alexander Graf <agraf@suse.de>
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The hassle of getting refcounting right was greater than the hassle
of keeping a list of devices to destroy on VM exit.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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Enabling this capability connects the vcpu to the designated in-kernel
MPIC. Using explicit connections between vcpus and irqchips allows
for flexibility, but the main benefit at the moment is that it
simplifies the code -- KVM doesn't need vm-global state to remember
which MPIC object is associated with this vm, and it doesn't need to
care about ordering between irqchip creation and vcpu creation.
Signed-off-by: Scott Wood <scottwood@freescale.com>
[agraf: add stub functions for kvmppc_mpic_{dis,}connect_vcpu]
Signed-off-by: Alexander Graf <agraf@suse.de>
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Hook the MPIC code up to the KVM interfaces, add locking, etc.
Signed-off-by: Scott Wood <scottwood@freescale.com>
[agraf: add stub function for kvmppc_mpic_set_epr, non-booke, 64bit]
Signed-off-by: Alexander Graf <agraf@suse.de>
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Currently, devices that are emulated inside KVM are configured in a
hardcoded manner based on an assumption that any given architecture
only has one way to do it. If there's any need to access device state,
it is done through inflexible one-purpose-only IOCTLs (e.g.
KVM_GET/SET_LAPIC). Defining new IOCTLs for every little thing is
cumbersome and depletes a limited numberspace.
This API provides a mechanism to instantiate a device of a certain
type, returning an ID that can be used to set/get attributes of the
device. Attributes may include configuration parameters (e.g.
register base address), device state, operational commands, etc. It
is similar to the ONE_REG API, except that it acts on devices rather
than vcpus.
Both device types and individual attributes can be tested without having
to create the device or get/set the attribute, without the need for
separately managing enumerated capabilities.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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Setting up IRQ routes is nothing IOAPIC specific. Extract everything
that really is generic code into irqchip.c and only leave the ioapic
specific bits to irq_comm.c.
Signed-off-by: Alexander Graf <agraf@suse.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
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The current irq_comm.c file contains pieces of code that are generic
across different irqchip implementations, as well as code that is
fully IOAPIC specific.
Split the generic bits out into irqchip.c.
Signed-off-by: Alexander Graf <agraf@suse.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
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The prototype has been stale for a while, I can't spot any real function
define behind it. Let's just remove it.
Signed-off-by: Alexander Graf <agraf@suse.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
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We have a capability enquire system that allows user space to ask kvm
whether a feature is available.
The point behind this system is that we can have different kernel
configurations with different capabilities and user space can adjust
accordingly.
Because features can always be non existent, we can drop any #ifdefs
on CAP defines that could be used generically, like the irq routing
bits. These can be easily reused for non-IOAPIC systems as well.
Signed-off-by: Alexander Graf <agraf@suse.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
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Quite a bit of code in KVM has been conditionalized on availability of
IOAPIC emulation. However, most of it is generically applicable to
platforms that don't have an IOPIC, but a different type of irq chip.
Make code that only relies on IRQ routing, not an APIC itself, on
CONFIG_HAVE_KVM_IRQ_ROUTING, so that we can reuse it later.
Signed-off-by: Alexander Graf <agraf@suse.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
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