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next/cleanup
From Maxime Ripard:
Cleanups for Allwinner sunXi architecture:
- Remove sunxi.dtsi
- Switch to clocksource/irqchip device tree handlers
- Cleanup the watchdog code
* tag 'sunxi-cleanup-for-3.10' of git://github.com/mripard/linux:
ARM: sunxi: Rework the restart code
irqchip: sunxi: Rename sunxi to sun4i
irqchip: sunxi: Make use of the IRQCHIP_DECLARE macro
clocksource: sunxi: Rename sunxi to sun4i
clocksource: sunxi: make use of CLKSRC_OF
clocksource: sunxi: Cleanup the timer code
clocksource: make CLOCKSOURCE_OF_DECLARE type safe
Signed-off-by: Olof Johansson <olof@lixom.net>
Add/change conflict in drivers/clocksource/Makefile resolved.
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Bringin in clk subsystem dependencies needed by sunxi.
* depends/clk-for-3.10: (26 commits)
clk: sunxi: drop an unnecesary kmalloc
clk: sunxi: drop CLK_IGNORE_UNUSED
clk: sunxi: Add support for AXI, AHB, APB0 and APB1 gates
clk: divider: Introduce CLK_DIVIDER_ALLOW_ZERO flag
clk: mvebu: Use common of_clk_init() function
clk: fix clk_mux::flags kerneldoc
clk: allow reentrant calls into the clk framework
clk: abstract locking out into helper functions
clk: zynq: Add missing zynq clk header
clk: sunxi: rename compatible strings
arm: sunxi: Add useful information about sunxi clocks
clk: arm: sunxi: Add a new clock driver for sunxi SOCs
clk: ux500: Fix prcmu clocks registration
ARM: imx: adapt clk_busy_mux to new clk_mux struct
clk: Add composite clock type
clk: add table lookup to mux
clk: Fix incorrect return type in clk.c
clk: prima2: fix return value check in sirfsoc_of_clk_init()
clk:SPEAr1340: Correct parent clock configuration
documentation: clk: fix couple of misspelling
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git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/cleanup
From Kukjin Kim <kgene.kim@samsung.com>:
cleanup unused codes for samsung
* tag 'cleanup-samsung-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: EXYNOS: remove "config EXYNOS_DEV_DRM"
ARM: EXYNOS: change the name of USB ohci header
ARM: SAMSUNG: Remove unnecessary code for dma
ARM: S3C24XX: Remove unused GPIO drive strength register definitions
ARM: S3C24XX: Removed unneeded dependency on CPU_S3C2412
ARM: S3C24XX: Removed unneeded dependency on CPU_S3C2410
ARM: S3C24XX: Removed unneeded dependency on ARCH_S3C24XX for boards
ARM: SAMSUNG: Fix typo "CONFIG_SAMSUNG_DEV_RTC"
ARM: S5P64X0: Fix typo "CONFIG_S5P64X0_SETUP_SDHCI"
ARM: S3C64XX: remove obsolete Makefile line
ARM: S3C24XX: remove unneeded "config SMDK2440_CPU2442"
ARM: SAMSUNG: Remove useless Samsung GPIO related CONFIG
ARM: SAMSUNG: remove "config S3C_BOOT_WATCHDOG"
ARM: EXYNOS: change HAVE_SAMSUNG_KEYPAD to KEYBOARD_SAMSUNG
ARM: EXYNOS: remove duplicated include from common.c
ARM: EXYNOS: drop "select HAVE_SCHED_CLOCK"
ARM: S3C24XX: drop "select MACH_NEO1973"
ARM: S3C24XX: drop "select MACH_N35"
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.linaro.org/people/shawnguo/linux-2.6 into next/cleanup
From Shawn Guo <shawn.guo@linaro.org>:
The mxs cleanup for 3.10:
* Clean up timer code and move it into drivers/clocksource
* Clean up icoll code and move it into drivers/irqchip
* Clean up clock code to not include <mach/*> headers
* Clean up rtc-stmp3xxx, mxs-lradc and mxs-saif to not include <mach/*>
headers
* Clean up mach-mxs code to get it prepared for multiplatform support
* tag 'mxs-cleanup-3.10' of git://git.linaro.org/people/shawnguo/linux-2.6: (26 commits)
clocksource: mxs_timer: Add semicolon at end of line
ARM: mxs: remove unused headers
ARM: mxs: merge imx23 and imx28 into one machine_desc
ARM: mxs: remove common.h
ARM: mxs: move mxs_get_ocotp() into mach-mxs.c
ARM: mxs: remove mm.c
ARM: mxs: use debug_ll_io_init for low-level debug
ARM: mxs: get ocotp base address from device tree
ARM: mxs: remove system.c
ARM: mxs: get reset address from device tree
ARM: mxs: remove empty hardware.h
ASoC: mxs-saif: remove mach header inclusion
iio: mxs-lradc: remove unneeded mach header inclusion
rtc: stmp3xxx: use stmp_reset_block() instead
clk: mxs: remove the use of mach level IO accessor
clk: mxs: get base address from device tree
ARM: mxs: remove unneeded mach-types.h inclusion
ARM: mxs: move icoll driver into drivers/irqchip
ARM: mxs: call stmp_reset_block() in icoll
ARM: mxs: get icoll base address from device tree
...
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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This is a dependency for the mxs/cleanup branch.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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This allows to remove some boilerplate code. At the same time, call the
set_handle_irq function in the initialization function of the irqchip,
so that we can remove it from the machine declaration.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Using CLKSRC_OF allows to remove the SoC specific sunxi_timer.h header,
and instead of using a custom init function in the machine definition
use the standard clocksource_of_init function.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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This patch changes the name of USB ohci header from 'usb-exynos.h'
to 'usb-ohci-exynos.h'. This is because this header file has
the platdata for only EXYNOS OHCI.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Dividers which have CLK_DIVIDER_ONE_BASED set have a redundant state,
being a divider value of zero. Some hardware implementations allow a
zero divider which simply doesn't alter the frequency. I.e. it acts like
a divide by one or bypassing the divider.
This flag is used to handle such HW in the clk-divider model.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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The kerneldoc comment for struct clk_mux documented the non-existent
num_clks instead of flags. Correct this.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64 into next/cleanup
* 'gic' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64:
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
+ Linux 3.9-rc3
Signed-off-by: Olof Johansson <olof@lixom.net>
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All three remaining functions declared in common.h are implemented by
clock driver. Create header include/linux/clk/mxs.h to contain them
and remove common.h.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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Move icoll.c into drivers/irqchip as irq-mxs.c, and along with the
renaming, change the driver to use IRQCHIP_DECLARE.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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Pull block fixes from Jens Axboe:
"Alright, this time from 10K up in the air.
Collection of fixes that have been queued up since the merge window
opened, hence postponed until later in the cycle. The pull request
contains:
- A bunch of fixes for the xen blk front/back driver.
- A round of fixes for the new IBM RamSan driver, fixing various
nasty issues.
- Fixes for multiple drives from Wei Yongjun, bad handling of return
values and wrong pointer math.
- A fix for loop properly killing partitions when being detached."
* tag 'for-linus-20130331' of git://git.kernel.dk/linux-block: (25 commits)
mg_disk: fix error return code in mg_probe()
rsxx: remove unused variable
rsxx: enable error return of rsxx_eeh_save_issued_dmas()
block: removes dynamic allocation on stack
Block: blk-flush: Fixed indent code style
cciss: fix invalid use of sizeof in cciss_find_cfgtables()
loop: cleanup partitions when detaching loop device
loop: fix error return code in loop_add()
mtip32xx: fix error return code in mtip_pci_probe()
xen-blkfront: remove frame list from blk_shadow
xen-blkfront: pre-allocate pages for requests
xen-blkback: don't store dev_bus_addr
xen-blkfront: switch from llist to list
xen-blkback: fix foreach_grant_safe to handle empty lists
xen-blkfront: replace kmalloc and then memcpy with kmemdup
xen-blkback: fix dispatch_rw_block_io() error path
rsxx: fix missing unlock on error return in rsxx_eeh_remap_dmas()
Adding in EEH support to the IBM FlashSystem 70/80 device driver
block: IBM RamSan 70/80 error message bug fix.
block: IBM RamSan 70/80 branding changes.
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This reverts commit 6aa9707099c4b25700940eb3d016f16c4434360d.
Commit 6aa9707099c4 ("lockdep: check that no locks held at freeze time")
causes problems with NFS root filesystems. The failures were noticed on
OMAP2 and 3 boards during kernel init:
[ BUG: swapper/0/1 still has locks held! ]
3.9.0-rc3-00344-ga937536 #1 Not tainted
-------------------------------------
1 lock held by swapper/0/1:
#0: (&type->s_umount_key#13/1){+.+.+.}, at: [<c011e84c>] sget+0x248/0x574
stack backtrace:
rpc_wait_bit_killable
__wait_on_bit
out_of_line_wait_on_bit
__rpc_execute
rpc_run_task
rpc_call_sync
nfs_proc_get_root
nfs_get_root
nfs_fs_mount_common
nfs_try_mount
nfs_fs_mount
mount_fs
vfs_kern_mount
do_mount
sys_mount
do_mount_root
mount_root
prepare_namespace
kernel_init_freeable
kernel_init
Although the rootfs mounts, the system is unstable. Here's a transcript
from a PM test:
http://www.pwsan.com/omap/testlogs/test_v3.9-rc3/20130317194234/pm/37xxevm/37xxevm_log.txt
Here's what the test log should look like:
http://www.pwsan.com/omap/testlogs/test_v3.8/20130218214403/pm/37xxevm/37xxevm_log.txt
Mailing list discussion is here:
http://lkml.org/lkml/2013/3/4/221
Deal with this for v3.9 by reverting the problem commit, until folks can
figure out the right long-term course of action.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Mandeep Singh Baines <msb@chromium.org>
Cc: Jeff Layton <jlayton@redhat.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: <maciej.rutecki@gmail.com>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Ben Chan <benchan@chromium.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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programs"
This reverts commit 186930500985 ("mm: introduce VM_POPULATE flag to
better deal with racy userspace programs").
VM_POPULATE only has any effect when userspace plays racy games with
vmas by trying to unmap and remap memory regions that mmap or mlock are
operating on.
Also, the only effect of VM_POPULATE when userspace plays such games is
that it avoids populating new memory regions that get remapped into the
address range that was being operated on by the original mmap or mlock
calls.
Let's remove VM_POPULATE as there isn't any strong argument to mandate a
new vm_flag.
Signed-off-by: Michel Lespinasse <walken@google.com>
Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg Kroah-Hartman:
"Here are some USB fixes to resolve issues reported recently, as well
as a new device id for the ftdi_sio driver."
* tag 'usb-3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: ftdi_sio: Add support for Mitsubishi FX-USB-AW/-BD
usb: Fix compile error by selecting USB_OTG_UTILS
USB: serial: fix hang when opening port
USB: EHCI: fix bug in iTD/siTD DMA pool allocation
xhci: Don't warn on empty ring for suspended devices.
usb: xhci: Fix TRB transfer length macro used for Event TRB.
usb/acpi: binding xhci root hub usb port with ACPI
usb: add find_raw_port_number callback to struct hc_driver()
usb: xhci: fix build warning
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg Kroah-Hartman:
"Here are some small char/misc driver fixes that resolve issues
recently reported against the 3.9-rc kernels. All have been in
linux-next for a while."
* tag 'char-misc-3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
VMCI: Fix process-to-process DRGAMs.
mei: ME hardware reset needs to be synchronized
mei: add mei_stop function to stop mei device
extcon: max77693: Initialize register of MUIC device to bring up it without platform data
extcon: max77693: Fix bug of wrong pointer when platform data is not used
extcon: max8997: Check the pointer of platform data to protect null pointer error
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git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull userns fixes from Eric W Biederman:
"The bulk of the changes are fixing the worst consequences of the user
namespace design oversight in not considering what happens when one
namespace starts off as a clone of another namespace, as happens with
the mount namespace.
The rest of the changes are just plain bug fixes.
Many thanks to Andy Lutomirski for pointing out many of these issues."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
userns: Restrict when proc and sysfs can be mounted
ipc: Restrict mounting the mqueue filesystem
vfs: Carefully propogate mounts across user namespaces
vfs: Add a mount flag to lock read only bind mounts
userns: Don't allow creation if the user is chrooted
yama: Better permission check for ptraceme
pid: Handle the exit of a multi-threaded init.
scm: Require CAP_SYS_ADMIN over the current pidns to spoof pids.
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This ensures that a function pointer passed into CLOCKSOURCE_OF_DECLARE
takes the same arguments that we use for calling that function later.
Also fix the extraneous semicolon at end of the CLOCKSOURCE_OF_DECLARE
definition.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Rob Herring <rob.herring@calxeda.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
Pull Xen bug-fixes from Konrad Rzeszutek Wilk:
"This is mostly just the last stragglers of the regression bugs that
this merge window had. There are also two bug-fixes: one that adds an
extra layer of security, and a regression fix for a change that was
added in v3.7 (the v1 was faulty, the v2 works).
- Regression fixes for C-and-P states not being parsed properly.
- Fix possible security issue with guests triggering DoS via
non-assigned MSI-Xs.
- Fix regression (introduced in v3.7) with raising an event (v2).
- Fix hastily introduced band-aid during c0 for the CR3 blowup."
* tag 'stable/for-linus-3.9-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen/events: avoid race with raising an event in unmask_evtchn()
xen/mmu: Move the setting of pvops.write_cr3 to later phase in bootup.
xen/acpi-stub: Disable it b/c the acpi_processor_add is no longer called.
xen-pciback: notify hypervisor about devices intended to be assigned to guests
xen/acpi-processor: Don't dereference struct acpi_processor on all CPUs.
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This commit implements the base CPU clocks for sunxi devices. It has
been tested using a slightly modified cpufreq driver from the
linux-sunxi 3.0 tree.
Additionally, document the new bindings introduced by this patch.
Idling:
/ # cat /sys/kernel/debug/clk/clk_summary
clock enable_cnt prepare_cnt rate
---------------------------------------------------------------------
osc32k 0 0 32768
osc24M_fixed 0 0 24000000
osc24M 0 0 24000000
apb1_mux 0 0 24000000
apb1 0 0 24000000
pll1 0 0 60000000
cpu 0 0 60000000
axi 0 0 60000000
ahb 0 0 60000000
apb0 0 0 30000000
dummy 0 0 0
After "yes >/dev/null &":
/ # cat /sys/kernel/debug/clk/clk_summary
clock enable_cnt prepare_cnt rate
---------------------------------------------------------------------
osc32k 0 0 32768
osc24M_fixed 0 0 24000000
osc24M 0 0 24000000
apb1_mux 0 0 24000000
apb1 0 0 24000000
pll1 0 0 1008000000
cpu 0 0 1008000000
axi 0 0 336000000
ahb 0 0 168000000
apb0 0 0 84000000
dummy 0 0 0
Signed-off-by: Emilio López <emilio@elopez.com.ar>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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Only allow unprivileged mounts of proc and sysfs if they are already
mounted when the user namespace is created.
proc and sysfs are interesting because they have content that is
per namespace, and so fresh mounts are needed when new namespaces
are created while at the same time proc and sysfs have content that
is shared between every instance.
Respect the policy of who may see the shared content of proc and sysfs
by only allowing new mounts if there was an existing mount at the time
the user namespace was created.
In practice there are only two interesting cases: proc and sysfs are
mounted at their usual places, proc and sysfs are not mounted at all
(some form of mount namespace jail).
Cc: stable@vger.kernel.org
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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When a read-only bind mount is copied from mount namespace in a higher
privileged user namespace to a mount namespace in a lesser privileged
user namespace, it should not be possible to remove the the read-only
restriction.
Add a MNT_LOCK_READONLY mount flag to indicate that a mount must
remain read-only.
CC: stable@vger.kernel.org
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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Guarantee that the policy of which files may be access that is
established by setting the root directory will not be violated
by user namespaces by verifying that the root directory points
to the root of the mount namespace at the time of user namespace
creation.
Changing the root is a privileged operation, and as a matter of policy
it serves to limit unprivileged processes to files below the current
root directory.
For reasons of simplicity and comprehensibility the privilege to
change the root directory is gated solely on the CAP_SYS_CHROOT
capability in the user namespace. Therefore when creating a user
namespace we must ensure that the policy of which files may be access
can not be violated by changing the root directory.
Anyone who runs a processes in a chroot and would like to use user
namespace can setup the same view of filesystems with a mount
namespace instead. With this result that this is not a practical
limitation for using user namespaces.
Cc: stable@vger.kernel.org
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Reported-by: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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Pull networking fixes from David Miller:
1) Always increment IPV4 ID field in encapsulated GSO packets, even
when DF is set. Regression fix from Pravin B Shelar.
2) Fix per-net subsystem initialization in netfilter conntrack,
otherwise we may access dynamically allocated memory before it is
actually allocated. From Gao Feng.
3) Fix DMA buffer lengths in iwl3945 driver, from Stanislaw Gruszka.
4) Fix race between submission of sync vs async commands in mwifiex
driver, from Amitkumar Karwar.
5) Add missing cancel of command timer in mwifiex driver, from Bing
Zhao.
6) Missing SKB free in rtlwifi USB driver, from Jussi Kivilinna.
7) Thermal layer tries to use a genetlink multicast string that is
longer than the 16 character limit. Fix it and add a BUG check to
prevent this kind of thing from happening in the future.
From Masatake YAMATO.
8) Fix many bugs in the handling of the teardown of L2TP connections,
UDP encapsulation instances, and sockets. From Tom Parkin.
9) Missing socket release in IRDA, from Kees Cook.
10) Fix fec driver modular build, from Fabio Estevam.
11) Erroneous use of kfree() instead of free_netdev() in lantiq_etop,
from Wei Yongjun.
12) Fix bugs in handling of queue numbers and steering rules in mlx4
driver, from Moshe Lazer, Hadar Hen Zion, and Or Gerlitz.
13) Some FOO_DIAG_MAX constants were defined off by one, fix from Andrey
Vagin.
14) TCP segmentation deferral is unintentionally done too strongly,
breaking ACK clocking. Fix from Eric Dumazet.
15) net_enable_timestamp() can legitimately be invoked from software
interrupts, and in a way that is safe, so remove the WARN_ON().
Also from Eric Dumazet.
16) Fix use after free in VLANs, from Cong Wang.
17) Fix TCP slow start retransmit storms after SACK reneging, from
Yuchung Cheng.
18) Unix socket release should mark a socket dead before NULL'ing out
sock->sk, otherwise we can race. Fix from Paul Moore.
19) IPV6 addrconf code can try to free static memory, from Hong Zhiguo.
20) Fix register mis-programming, NULL pointer derefs, and wrong PHC
clock frequency in IGB driver. From Lior LevyAlex Williamson, Jiri
Benc, and Jeff Kirsher.
21) skb->ip_summed logic in pch_gbe driver is reversed, breaking packet
forwarding. Fix from Veaceslav Falico.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (65 commits)
ipv4: Fix ip-header identification for gso packets.
bonding: remove already created master sysfs link on failure
af_unix: dont send SCM_CREDENTIAL when dest socket is NULL
pch_gbe: fix ip_summed checksum reporting on rx
igb: fix PHC stopping on max freq
igb: make sensor info static
igb: SR-IOV init reordering
igb: Fix null pointer dereference
igb: fix i350 anti spoofing config
ixgbevf: don't release the soft entries
ipv6: fix bad free of addrconf_init_net
unix: fix a race condition in unix_release()
tcp: undo spurious timeout after SACK reneging
bnx2x: fix assignment of signed expression to unsigned variable
bridge: fix crash when set mac address of br interface
8021q: fix a potential use-after-free
net: remove a WARN_ON() in net_enable_timestamp()
tcp: preserve ACK clocking in TSO
net: fix *_DIAG_MAX constants
net/mlx4_core: Disallow releasing VF QPs which have steering rules
...
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Not all clocks are required to be decomposed into basic clock
types but at the same time want to use the functionality
provided by these basic clock types instead of duplicating.
For example, Tegra SoC has ~100 clocks which can be decomposed
into Mux -> Div -> Gate clock types making the clock count to
~300. Also, parent change operation can not be performed on gate
clock which forces to use mux clock in driver if want to change
the parent.
Instead aggregate the basic clock types functionality into one
clock and just use this clock for all operations. This clock
type re-uses the functionality of basic clock types and not
limited to basic clock types but any hardware-specific
implementation.
Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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ip-header id needs to be incremented even if IP_DF flag is set.
This behaviour was changed in commit 490ab08127cebc25e3a26
(IP_GRE: Fix IP-Identification).
Following patch fixes it so that identification is always
incremented.
Reported-by: Cong Wang <amwang@redhat.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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All the calls to gic_secondary_init() pass 0 as the first argument.
Since this function is called on each CPU when starting, it can be done
in a platform-independent way via a CPU notifier registered by the GIC
code.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Tested-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Tested-by: Dinh Nguyen <dinguyen@altera.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: David Brown <davidb@codeaurora.org>
Cc: Bryan Huntsman <bryanh@codeaurora.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Shiraz Hashim <shiraz.hashim@st.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Barry Song <baohua.song@csr.com>
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These functions have been introduced by commit 10a8c383 (irq: introduce
entry and exit functions for chained handlers) in asm/mach/irq.h. This
patch moves them to linux/irqchip/chained_irq.h so that generic irqchip
drivers do not rely on architecture specific header files.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Rob Herring <rob.herring@calxeda.com>
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xhci driver divides the root hub into two logical hubs which work
respectively for usb 2.0 and usb 3.0 devices. They are independent
devices in the usb core. But in the ACPI table, it's one device node
and all usb2.0 and usb3.0 ports are under it. Binding usb port with
its acpi node needs the raw port number which is reflected in the xhci
extended capabilities table. This patch is to add find_raw_port_number
callback to struct hc_driver(), fill it with xhci_find_raw_port_number()
which will return raw port number and add a wrap usb_hcd_find_raw_port_number().
Otherwise, refactor xhci_find_real_port_number(). Using
xhci_find_raw_port_number() to get real index in the HW port status
registers instead of scanning through the xHCI roothub port array.
This can help to speed up.
All addresses in xhci->usb2_ports and xhci->usb3_ports array are
kown good ports and don't include following bad ports in the extended
capabilities talbe.
(1) root port that doesn't have an entry
(2) root port with unknown speed
(3) root port that is listed twice and with different speeds.
So xhci_find_raw_port_number() will only return port num of good ones
and never touch bad ports above.
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
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Pull ARM SoC bug fixes from Arnd Bergmann:
"Four patches for arm-soc this week:
- Kevin Hilman is no longer reachable under his previous email
address. He submitted the patch earlier, but nobody felt
responsible to pick it up.
- One Tegra fix for an incorect register address in device tree.
- IMX multiplatform support exposes a configuration option that leads
to unbootable kernels on all other machines and that needs to
depend on that platform.
- A nontrivial bug fix for the setup of the mxs video output."
* tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
MAINTAINERS: update email address for Kevin Hilman
ARM: tegra: fix register address of slink controller
ARM: imx: add dependency check for DEBUG_IMX_UART_PORT
ARM: video: mxs: Fix mxsfb misconfiguring VDCTRL0
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Pull NVMe driver update from Matthew Wilcox:
"These patches have mostly been baking for a few months; sorry I didn't
get them in during the merge window. They're all bug fixes, except
for the addition of the SMART log and the addition to MAINTAINERS."
* git://git.infradead.org/users/willy/linux-nvme:
NVMe: Add namespaces with no LBA range feature
MAINTAINERS: Add entry for the NVMe driver
NVMe: Initialize iod nents to 0
NVMe: Define SMART log
NVMe: Add result to nvme_get_features
NVMe: Set result from user admin command
NVMe: End queued bio requests when freeing queue
NVMe: Free cmdid on nvme_submit_bio error
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Merge misc fixes from Andrew Morton.
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mqueue: sys_mq_open: do not call mnt_drop_write() if read-only
mm/hotplug: only free wait_table if it's allocated by vmalloc
dma-debug: update DMA debug API to better handle multiple mappings of a buffer
dma-debug: fix locking bug in check_unmap()
drivers/rtc/rtc-at91rm9200.c: use a variable for storing IMR
drivers/video/ep93xx-fb.c: include <linux/io.h> for devm_ioremap()
drivers/rtc/rtc-da9052.c: fix for rtc device registration
mm: zone_end_pfn is too small
poweroff: change orderly_poweroff() to use schedule_work()
mm/hugetlb: fix total hugetlbfs pages count when using memory overcommit accouting
printk: Provide a wake_up_klogd() off-case
irq_work.h: fix warning when CONFIG_IRQ_WORK=n
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Booting with 32 TBytes memory hits BUG at mm/page_alloc.c:552! (output
below).
The key hint is "page 4294967296 outside zone".
4294967296 = 0x100000000 (bit 32 is set).
The problem is in include/linux/mmzone.h:
530 static inline unsigned zone_end_pfn(const struct zone *zone)
531 {
532 return zone->zone_start_pfn + zone->spanned_pages;
533 }
zone_end_pfn is "unsigned" (32 bits). Changing it to "unsigned long"
(64 bits) fixes the problem.
zone_end_pfn() was added recently in commit 108bcc96ef70 ("mm: add & use
zone_end_pfn() and zone_spans_pfn()")
Output from the failure.
No AGP bridge found
page 4294967296 outside zone [ 4294967296 - 4327469056 ]
------------[ cut here ]------------
kernel BUG at mm/page_alloc.c:552!
invalid opcode: 0000 [#1] SMP
Modules linked in:
CPU 0
Pid: 0, comm: swapper Not tainted 3.9.0-rc2.dtp+ #10
RIP: free_one_page+0x382/0x430
Process swapper (pid: 0, threadinfo ffffffff81942000, task ffffffff81955420)
Call Trace:
__free_pages_ok+0x96/0xb0
__free_pages+0x25/0x50
__free_pages_bootmem+0x8a/0x8c
__free_memory_core+0xea/0x131
free_low_memory_core_early+0x4a/0x98
free_all_bootmem+0x45/0x47
mem_init+0x7b/0x14c
start_kernel+0x216/0x433
x86_64_start_reservations+0x2a/0x2c
x86_64_start_kernel+0x144/0x153
Code: 89 f1 ba 01 00 00 00 31 f6 d3 e2 4c 89 ef e8 66 a4 01 00 e9 2c fe ff ff 0f 0b eb fe 0f 0b 66 66 2e 0f 1f 84 00 00 00 00 00 eb f3 <0f> 0b eb fe 0f 0b 0f 1f 84 00 00 00 00 00 eb f6 0f 0b eb fe 49
Signed-off-by: Russ Anderson <rja@sgi.com>
Reported-by: George Beshers <gbeshers@sgi.com>
Acked-by: Hedi Berriche <hedi@sgi.com>
Cc: Cody P Schafer <cody@linux.vnet.ibm.com>
Cc: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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wake_up_klogd() is useless when CONFIG_PRINTK=n because neither printk()
nor printk_sched() are in use and there are actually no waiter on
log_wait waitqueue. It should be a stub in this case for users like
bust_spinlocks().
Otherwise this results in this warning when CONFIG_PRINTK=n and
CONFIG_IRQ_WORK=n:
kernel/built-in.o In function `wake_up_klogd':
(.text.wake_up_klogd+0xb4): undefined reference to `irq_work_queue'
To fix this, provide an off-case for wake_up_klogd() when
CONFIG_PRINTK=n.
There is much more from console_unlock() and other console related code
in printk.c that should be moved under CONFIG_PRINTK. But for now,
focus on a minimal fix as we passed the merged window already.
[akpm@linux-foundation.org: include printk.h in bust_spinlocks.c]
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Reported-by: James Hogan <james.hogan@imgtec.com>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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A randconfig caught repeated compiler warnings when CONFIG_IRQ_WORK=n
due to the definition of a non-inline static function in
<linux/irq_work.h>:
include/linux/irq_work.h +40 : warning: 'irq_work_needs_cpu' defined but not used
Make it inline to supress the warning. This is caused commit
00b42959106a ("irq_work: Don't stop the tick with pending works") merged
in v3.9-rc1.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add a table lookup feature to the mux clock. Also allow arbitrary masks
instead of the width. This will be used by some clocks on Tegra114. Also
adapt the tegra periph clk because it uses struct clk_mux directly.
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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Pull KVM fix from Marcelo Tosatti:
"Fix compilation on PPC with !CONFIG_KVM"
* git://git.kernel.org/pub/scm/virt/kvm/kvm:
Revert "KVM: allow host header to be included even for !CONFIG_KVM"
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg Kroah-Hartman:
"Here are a number of USB fixes that resolve issues that have been
reported against 3.9-rc3."
* tag 'usb-3.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (37 commits)
USB: ti_usb_3410_5052: fix use-after-free in TIOCMIWAIT
USB: ssu100: fix use-after-free in TIOCMIWAIT
USB: spcp8x5: fix use-after-free in TIOCMIWAIT
USB: quatech2: fix use-after-free in TIOCMIWAIT
USB: pl2303: fix use-after-free in TIOCMIWAIT
USB: oti6858: fix use-after-free in TIOCMIWAIT
USB: mos7840: fix use-after-free in TIOCMIWAIT
USB: mos7840: fix broken TIOCMIWAIT
USB: mct_u232: fix use-after-free in TIOCMIWAIT
USB: io_ti: fix use-after-free in TIOCMIWAIT
USB: io_edgeport: fix use-after-free in TIOCMIWAIT
USB: ftdi_sio: fix use-after-free in TIOCMIWAIT
USB: f81232: fix use-after-free in TIOCMIWAIT
USB: cypress_m8: fix use-after-free in TIOCMIWAIT
USB: ch341: fix use-after-free in TIOCMIWAIT
USB: ark3116: fix use-after-free in TIOCMIWAIT
USB: serial: add modem-status-change wait queue
USB: serial: fix interface refcounting
USB: io_ti: fix get_icount for two port adapters
USB: garmin_gps: fix memory leak on disconnect
...
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Pull EDAC fixes from Borislav Petkov:
"A fix from Mauro to correct csrow size accounting in sysfs and a
sparse fix from Stephen Hemminger."
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
EDAC: Merge mci.mem_is_per_rank with mci.csbased
amd64_edac: Correct DIMM sizes
EDAC: Make sysfs functions static
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git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen into for-linus
Konrad writes:
[the branch] has a bunch of fixes. They vary from being able to deal
with unknown requests, overflow in statistics, compile warnings, bug in
the error path, removal of unnecessary logic. There is also one
performance fix - which is to allocate pages for requests when the
driver loads - instead of doing it per request
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For MSI-X capable devices the hypervisor wants to write protect the
MSI-X table and PBA, yet it can't assume that resources have been
assigned to their final values at device enumeration time. Thus have
pciback do that notification, as having the device controlled by it is
a prerequisite to assigning the device to guests anyway.
This is the kernel part of hypervisor side commit 4245d33 ("x86/MSI:
add mechanism to fully protect MSI-X table from PV guest accesses") on
the master branch of git://xenbits.xen.org/xen.git.
CC: stable@vger.kernel.org
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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This reverts commit f445f11eb2cc265dd47da5b2e864df46cd6e5a82 as
it breaks PPC with CONFIG_KVM=n.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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Add modem-status-change wait queue to struct usb_serial_port that
subdrivers can use to implement TIOCMIWAIT.
Currently subdrivers use a private wait queue which may have been
released when waking up after device disconnected.
Note that we're adding a new wait queue rather than reusing the tty-port
one as we do not want to get woken up at hangup (yet).
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Follow the common pattern and define *_DIAG_MAX like:
[...]
__XXX_DIAG_MAX,
};
Because everyone is used to do:
struct nlattr *attrs[XXX_DIAG_MAX+1];
nla_parse([...], XXX_DIAG_MAX, [...]
Reported-by: Thomas Graf <tgraf@suug.ch>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Pavel Emelyanov <xemul@parallels.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
usb: fixes for v3.9-rc4
udc-core learned that it shouldn't use invalid pointers
when unloading a gadget driver.
net2272 and net2280 got a fix for a regression caused by
the udc_start/udc_stop conversion.
We're defining a static inline no-op for otg_ulpi_create()
to prevent build errors when that driver isn't enabled.
FunctionFS got a fix for an off-by-one error when binding
and unbinding instances of FunctionFS.
MUSB learned that it shouldn't try to unmap buffers which
weren't previously mapped.
f_rndis got a fix for a possible NULL pointer dereference
in a debugging message code.
MUSB's DA8xx glue layer got a build fix due to a typo.
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"A fair chunk of the linecount comes from a fix for a tracing bug that
corrupts latency tracing buffers when the overwrite mode is changed on
the fly - the rest is mostly assorted fewliner fixlets."
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86: Add SNB/SNB-EP scheduling constraints for cycle_activity event
kprobes/x86: Check Interrupt Flag modifier when registering probe
kprobes: Make hash_64() as always inlined
perf: Generate EXIT event only once per task context
perf: Reset hwc->last_period on sw clock events
tracing: Prevent buffer overwrite disabled for latency tracers
tracing: Keep overwrite in sync between regular and snapshot buffers
tracing: Protect tracer flags with trace_types_lock
perf tools: Fix LIBNUMA build with glibc 2.12 and older.
tracing: Fix free of probe entry by calling call_rcu_sched()
perf/POWER7: Create a sysfs format entry for Power7 events
perf probe: Fix segfault
libtraceevent: Remove hard coded include to /usr/local/include in Makefile
perf record: Fix -C option
perf tools: check if -DFORTIFY_SOURCE=2 is allowed
perf report: Fix build with NO_NEWT=1
perf annotate: Fix build with NO_NEWT=1
tracing: Fix race in snapshot swapping
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