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I've been coordinating Bluetooth patches in my tree for some time and
it's possible I'll do it in the future too, so add myself to the
Bluetooth sections as well as mention my tree there.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Cc: Marcel Holtmann <marcel@holtmann.org>
Cc: "Gustavo F. Padovan" <padovan@profusion.mobi>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This is going to be the primary e-mail for kernel development.
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
Cc: Johan Hedberg <johan.hedberg@gmail.com>
Cc: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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CAP_SYS_ADMIN is already overloaded left and right, so to have more
fine-grained access control use CAP_SYS_RESOURCE here.
The CAP_SYS_RESOUCE is chosen because this prctl option allows a current
process to adjust some fields of memory map descriptor which rather
represents what the process owns: pointers to code, data, stack
segments, command line, auxiliary vector data and etc.
Suggested-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Pavel Emelyanov <xemul@parallels.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Paul Bolle <pebolle@tiscali.nl>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix indexed register offset definitions that use decimal (wrong) instead
of hexadecimal (correct) notation for indexing multipliers.
Incorrect definitions do not affect Tsi721 driver in its current default
configuration because it uses only IDB queue 0. Loss of inbound
doorbell functionality should be observed if queue other than 0 is used.
Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Chul Kim <chul.kim@idt.com>
Cc: <stable@vger.kernel.org> [3.2+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We have created a ST's Mailing list for SPEAr. This can be accessed
from non-st email ids. I want people to cc this list, when they have
changes specific to SPEAr. So, its better to get this updated in
MAINTAINERS file.
linux-arm-kernel@lists.infradead.org is also added for SPEAr.
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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After fixing the GPF in mem_cgroup_lru_del_list(), three times one
machine running a similar load (moving and removing memcgs while
swapping) has oopsed in mem_cgroup_zone_nr_lru_pages(), when retrieving
memcg zone numbers for get_scan_count() for shrink_mem_cgroup_zone():
this is where a struct mem_cgroup is first accessed after being chosen
by mem_cgroup_iter().
Just what protects a struct mem_cgroup from being freed, in between
mem_cgroup_iter()'s css_get_next() and its css_tryget()? css_tryget()
fails once css->refcnt is zero with CSS_REMOVED set in flags, yes: but
what if that memory is freed and reused for something else, which sets
"refcnt" non-zero? Hmm, and scope for an indefinite freeze if refcnt is
left at zero but flags are cleared.
It's tempting to move the css_tryget() into css_get_next(), to make it
really "get" the css, but I don't think that actually solves anything:
the same difficulty in moving from css_id found to stable css remains.
But we already have rcu_read_lock() around the two, so it's easily fixed
if __mem_cgroup_free() just uses kfree_rcu() to free mem_cgroup.
However, a big struct mem_cgroup is allocated with vzalloc() instead of
kzalloc(), and we're not allowed to vfree() at interrupt time: there
doesn't appear to be a general vfree_rcu() to help with this, so roll
our own using schedule_work(). The compiler decently removes
vfree_work() and vfree_rcu() when the config doesn't need them.
Signed-off-by: Hugh Dickins <hughd@google.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Ying Han <yinghan@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Realigned some comments and removed small bit of
old comments that I missed in my last commit
Signed-off-by: Andrew Miller <amiller@amilx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Removed old comments that were not needed.
Signed-off-by: Andrew Miller <amiller@amilx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Removed some old comments
Signed-off-by: Andrew Miller <amiller@amilx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix build error when CONFIG_PRINTK is not selected.
Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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in commit 7230c5644188cd9e3fb380cc97dde00c464a3ba7
"powerpc: Rework lazy-interrupt handling"
I introduced a regression, accidentally calling irq tracing twice
and not properly restoring a clobbered register (r7) later used
for writing to the MSR.
This caused lockups when booting on a G5 with lockdep enabled.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Also while at it, add some help text indicating why you shouldn't
enable that driver under normal circumstances
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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These drivers are specific to the PowerPC legacy iSeries platform and
their Kconfig is specified in arch/powerpc. Legacy iSeries is being
removed, so these drivers can no longer be selected.
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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* samsung/soc:
ARM: EXYNOS: fix cycle count for periodic mode of clock event timers
ARM: EXYNOS: add support JPEG
ARM: EXYNOS: Add DMC1, allow PPMU access for DMC
ARM: SAMSUNG: Correct MIPI-CSIS io memory resource definition
ARM: SAMSUNG: fix __init attribute on regarding s3c_set_platdata()
ARM: SAMSUNG: Add __init attribute to samsung_bl_set()
ARM: S5PV210: Add usb otg phy control
ARM: S3C64XX: Add usb otg phy control
ARM: EXYNOS: Enable l2 configuration through device tree
ARM: EXYNOS: remove useless code to save/restore L2
ARM: EXYNOS: save L2 settings during bootup
ARM: S5P: add L2 early resume code
ARM: EXYNOS: Add support AFTR mode on EXYNOS4210
ARM: SAMSUNG: use spin_lock_irqsave() in clk_{enable,disable}
ARM: S3C64XX: Define some additional always off clocks
ARM: S3C64XX: Reduce residency requirement for cpuidle WFI mode
ARM: SAMSUNG: Add a callback 'notify_after' for PWM backlight control
ARM: SAMSUNG: add G2D to plat-s5p and mach-exynos
ARM: S3C64XX: Gate some more clocks by default
ARM: S3C64XX: Add basic cpuidle driver
Conflicts:
arch/arm/mach-exynos/clock.c
arch/arm/mach-exynos/common.c
This merges the earlier samsung support into the next/soc2 branch to
resolve conflicts between commits in the earlier work and the exynos5
branch.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The reference manual says that pm has to stay within 2 and 32. So the
lowest frequency is 32 and DIV16 set, the highest is 2 and DIV16 unset.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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The -1 +1 thingy should probably do what DIV_ROUND_UP does. The 4 is 2
the "platform_clock => sysclock" and 2 from the computation part. The 64
is the same 4 times 16.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Change c++ style comments to c style
Signed-off-by: Andrew Miller <amiller@amilx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix spacing around keywords, '*', binary and ternary
operators, and fix the format of statments and function
declaration.
Signed-off-by: Andrew Miller <amiller@amilx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fixed indentation issues and converted spaces,
that were being use for indentation, to tabs
Signed-off-by: Andrew Miller <amiller@amilx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm into next/soc2
Conflicts:
arch/arm/mach-tegra/common.c
arch/arm/mach-ux500/devices-common.c
This resolves two conflicts and lets us merge the exynos5 branch
cleanly.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Fix brackets that where out of place and removed
brackets that were not needed
Signed-off-by: Andrew Miller <amiller@amilx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Clean up spaces before tab stops and some trailing space to.
Signed-off-by: Andrew Miller <amiller@amilx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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pio2_gpio_init() annotated with __init, but called by pio2_probe()
which is annotated __devinit. pio2_gpio_exit() is annotated __exit,
but is called by pio2_probe() and by pio2_remove() which is annotated
__devexit.
Signed-off-by: Gerard Snitselaar <dev@snitselaar.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into samsung/exynos5
* 'next/soc-exynos5250-arch' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: EXYNOS: Fix compilation error with mach-exynos4-dt board
ARM: dts: add initial dts file for EXYNOS5250, SMDK5250
ARM: EXYNOS: add support device tree enabled board file for EXYNOS5
ARM: EXYNOS: add support ARCH_EXYNOS5 for EXYNOS5 SoCs
ARM: EXYNOS: add support get_core_count() for EXYNOS5250
ARM: EXYNOS: support EINT for EXYNOS4 and EXYNOS5
ARM: EXYNOS: add interrupt definitions for EXYNOS5250
ARM: EXYNOS: add support for EXYNOS5250 SoC
ARM: EXYNOS: add support uart for EXYNOS4 and EXYNOS5
ARM: EXYNOS: add initial setup-i2c0 for EXYNOS5
ARM: EXYNOS: add clock part for EXYNOS5250 SoC
ARM: EXYNOS: use exynos_init_uarts() instead of exynos4_init_uarts()
ARM: EXYNOS: to declare static for mach-exynos/common.c
ARM: EXYNOS: Add clkdev lookup entry for lcd clock
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git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/drivers
* 'next/soc-exynos5250-gpio' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (201 commits)
gpio/samsung: use ioremap() for EXYNOS4 GPIOlib
gpio/samsung: add support GPIOlib for EXYNOS5250
ARM: EXYNOS: add support GPIO for EXYNOS5250
(update to v3.3-rc7)
Conflicts:
arch/arm/mach-pxa/pxa25x.c
arch/arm/mach-pxa/pxa27x.c
The dummy clock for the pxa rtc in those files keeps getting added and
removed in various trees. Apparently removing is the correct solution.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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This patch adds clk_prepare/clk_unprepare calls to the ohci-pxa27x
driver by using the helper functions clk_prepare_enable and
clk_disable_unprepare.
Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Cc: Haojian Zhuang <haojian.zhuang@marvell.com>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch adds clk_prepare/clk_unprepare calls to the serial/pxa
driver by using the helper functions clk_prepare_enable and
clk_disable_unprepare.
Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Cc: Haojian Zhuang <haojian.zhuang@marvell.com>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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'long secs' is passed as divisor to div_s64, which accepts a 32bit
divisor. On 64bit machines that value is trimmed back from 8 bytes
back to 4, causing a divide by zero when the number is bigger than
(1 << 32) - 1 and all 32 lower bits are 0.
Use div64_long() instead.
Signed-off-by: Sasha Levin <levinsasha928@gmail.com>
Cc: johnstul@us.ibm.com
Link: http://lkml.kernel.org/r/1331829374-31543-2-git-send-email-levinsasha928@gmail.com
Cc: stable@vger.kernel.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Add a div64_long macro which is used to devide a 64bit number by a long (which
can be 4 bytes on 32bit systems and 8 bytes on 64bit systems).
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sasha Levin <levinsasha928@gmail.com>
Cc: johnstul@us.ibm.com
Link: http://lkml.kernel.org/r/1331829374-31543-1-git-send-email-levinsasha928@gmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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git://gitorious.org/linux-davinci/linux-davinci into next/drivers
* 'v3.4/features' of git://gitorious.org/linux-davinci/linux-davinci:
ARM: davinci: dm644x evm: add support for VPBE display
ARM: davinci: dm644x: add support for v4l2 video display
* included from the davinci/cleanup branch:
ARM: davinci: dm644x: don't force vpfe registeration on all boards
ARM: davinci: dm644x: fix inconsistent variable naming
ARM: davinci: dm644x: improve readability using macro
ARM: davinci: streamline sysmod access
ARM: davinci: create new common platform header for davinci
ARM: davinci: dm646x: move private definitions to C file
ARM: davinci: dm365: move private definitions to C file
ARM: davinci: dm644x: move private definitions to C file
Conflicts:
arch/arm/mach-davinci/board-dm644x-evm.c
arch/arm/mach-davinci/board-neuros-osd2.c
arch/arm/mach-davinci/board-sffsdr.c
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Bugzilla 40012: PIO_UNIMAP bug: error updating Unicode-to-font map
https://bugzilla.kernel.org/show_bug.cgi?id=40012
The unicode font map for the virtual console is a 32x32x64 table which
allocates rows dynamically as entries are added. The unicode value
increases sequentially and should count all entries even in empty
rows. The defect is when copying the unicode font map in con_set_unimap(),
the unicode value is not incremented properly. The wrong unicode value
is entered in the new font map.
Signed-off-by: Liz Clark <liz.clark@hp.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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xfs_getbmap uses for a large buffer for extents, which is kmalloc'd.
This can fail after the system has been running for some time as it
is a high order allocation. Add a fallback to vmalloc so that it
doesn't require contiguous memory and so won't randomly fail on
files with large extent lists.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
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The ath79 usb driver doesn't do anything special and is now converted
to the generic ehci and ohci driver.
This was tested on a TP-Link TL-WR1043ND (AR9132)
Acked-by: Gabor Juhos <juhosg@openwrt.org>
CC: Imre Kaloz <kaloz@openwrt.org>
CC: linux-mips@linux-mips.org
CC: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This adds a generic driver for platform devices. It works like the PCI
driver and is based on it. This is for devices which do not have an own
bus but their EHCI controller works like a PCI controller. It will be
used for the Broadcom bcma and ssb USB EHCI controller.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This adds a generic driver for platform devices. It works like the PCI
driver and is based on it. This is for devices which do not have an own
bus but their OHCI controller works like a PCI controller. It will be
used for the Broadcom bcma and ssb USB OHCI controller.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There were two version strings, and neither one was being used.
Also in the same proximity were some unused #define that were
left over from the past. Delete them all.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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Add support for byte queue limits (BQL), based on the similar
modifications made to intel/igb/igb_main.c from Eric Dumazet
in commit bdbc063129e811264cd6c311d8c2d9b95de01231
"igb: Add support for byte queue limits."
A local variable for tx_queue->qindex was introduced in
gfar_clean_tx_ring, since it is now used often enough to warrant it,
and it cleans up the readability somewhat as well.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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Signed-off-by: Michał Wróbel <michal.wrobel@flytronic.pl>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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xfsdump uses for a large buffer for extended attributes, which has a
kmalloc'd shadow buffer in the kernel. This can fail after the
system has been running for some time as it is a high order
allocation. Add a fallback to vmalloc so that it doesn't require
contiguous memory and so won't randomly fail while xfsdump is
running.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
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Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
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* renesas/soc:
ARM: mach-shmobile: ap4evb: fixup fsi2_ak4643_info typo
ARM: mach-shmobile: mackerel: Reserve DMA memory for the frame buffer
ARM: mach-shmobile: Fix ag5evm compilation by including linux/videodev2.h
ARM: mach-shmobile: Fix bonito compile breakage
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When we get concurrent lookups of the same inode that is not in the
per-AG inode cache, there is a race condition that triggers warnings
in unlock_new_inode() indicating that we are initialising an inode
that isn't in a the correct state for a new inode.
When we do an inode lookup via a file handle or a bulkstat, we don't
serialise lookups at a higher level through the dentry cache (i.e.
pathless lookup), and so we can get concurrent lookups of the same
inode.
The race condition is between the insertion of the inode into the
cache in the case of a cache miss and a concurrently lookup:
Thread 1 Thread 2
xfs_iget()
xfs_iget_cache_miss()
xfs_iread()
lock radix tree
radix_tree_insert()
rcu_read_lock
radix_tree_lookup
lock inode flags
XFS_INEW not set
igrab()
unlock inode flags
rcu_read_unlock
use uninitialised inode
.....
lock inode flags
set XFS_INEW
unlock inode flags
unlock radix tree
xfs_setup_inode()
inode flags = I_NEW
unlock_new_inode()
WARNING as inode flags != I_NEW
This can lead to inode corruption, inode list corruption, etc, and
is generally a bad thing to occur.
Fix this by setting XFS_INEW before inserting the inode into the
radix tree. This will ensure any concurrent lookup will find the new
inode with XFS_INEW set and that forces the lookup to wait until the
XFS_INEW flag is removed before allowing the lookup to succeed.
cc: <stable@vger.kernel.org> # for 3.0.x, 3.2.x
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>
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libertas provides a dump_survey implementation based on reading of
a RSSI value. However, this RSSI value is calculated based on the
last received beacon from the associated AP - it is not a good
way of surveying a channel in general, and even causes an error
if the card is not associated to a network.
As this is not appropriate as a survey, remove it. This fixes an
issue where something in userspace is repeatedly calling site-survey
during boot, resulting in many repeated errors as the RSSI value cannot
be read before associating.
Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Makes them more readable and reduces code size
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Program tx gain through iniModesTxGain like on AR9287
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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use iniModesFastClock for 5 ghz fast clock specific settings, and
iniAdditional for clock/chip specific initval overrides
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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