Commit graph

281989 commits

Author SHA1 Message Date
Johannes Weiner
1edf223485 mm/page-writeback.c: make determine_dirtyable_memory static again
The tracing ring-buffer used this function briefly, but not anymore.
Make it local to the writeback code again.

Also, move the function so that no forward declaration needs to be
reintroduced.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Mel Gorman <mgorman@suse.de>
Reviewed-by: Michal Hocko <mhocko@suse.cz>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-10 16:30:41 -08:00
Linus Torvalds
e4e11180df Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  vfs: new helper - d_make_root()
  dcache: use a dispose list in select_parent
  ceph: d_alloc_root() may fail
  ext4: fix failure exits
  isofs: inode leak on mount failure
2012-01-09 17:37:37 -08:00
Al Viro
adc0e91ab1 vfs: new helper - d_make_root()
d_alloc_root() with iput() in case of allocation failure...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-09 19:23:45 -05:00
Dave Chinner
b48f03b319 dcache: use a dispose list in select_parent
select_parent currently abuses the dentry cache LRU to provide
cleanup features for child dentries that need to be freed. It moves
them to the tail of the LRU, then tells shrink_dcache_parent() to
calls __shrink_dcache_sb to unconditionally move them to a dispose
list (as DCACHE_REFERENCED is ignored). __shrink_dcache_sb() has to
relock the dentries to move them off the LRU onto the dispose list,
but otherwise does not touch the dentries that select_parent() moved
to the tail of the LRU. It then passses the dispose list to
shrink_dentry_list() which tries to free the dentries.

IOWs, the use of __shrink_dcache_sb() is superfluous - we can build
exactly the same list of dentries for disposal directly in
select_parent() and call shrink_dentry_list() instead of calling
__shrink_dcache_sb() to do that. This means that we avoid long holds
on the lru lock walking the LRU moving dentries to the dispose list
We also avoid the need to relock each dentry just to move it off the
LRU, reducing the numebr of times we lock each dentry to dispose of
them in shrink_dcache_parent() from 3 to 2 times.

Further, we remove one of the two callers of __shrink_dcache_sb().
This also means that __shrink_dcache_sb can be moved into back into
prune_dcache_sb() and we no longer have to handle referenced
dentries conditionally, simplifying the code.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-09 19:22:52 -05:00
Linus Torvalds
37cfc3f67d Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next:
  sparc32: remove unused file: include/asm/pgtsun4.h
  sparc32: fix PAGE_SIZE definition
  sparc32: enable different preemptions models
  sparc32: support atomic64_t
  apbuart: fix section mismatch warning
  sparc32: drop useless preprocessor conditional in atomic_32.h
  sparc32: drop unused atomic24 support
2012-01-09 14:47:06 -08:00
Linus Torvalds
38e5781bbf Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  igmp: Avoid zero delay when receiving odd mixture of IGMP queries
  netdev: make net_device_ops const
  bcm63xx: make ethtool_ops const
  usbnet: make ethtool_ops const
  net: Fix build with INET disabled.
  net: introduce netif_addr_lock_nested() and call if when appropriate
  net: correct lock name in dev_[uc/mc]_sync documentations.
  net: sk_update_clone is only used in net/core/sock.c
  8139cp: fix missing napi_gro_flush.
  pktgen: set correct max and min in pktgen_setup_inject()
  smsc911x: Unconditionally include linux/smscphy.h in smsc911x.h
  asix: fix infinite loop in rx_fixup()
  net: Default UDP and UNIX diag to 'n'.
  r6040: fix typo in use of MCR0 register bits
  net: fix sock_clone reference mismatch with tcp memcontrol
2012-01-09 14:46:52 -08:00
Linus Torvalds
979ecef5b8 clock management changes for i.MX
Another simple series related to clock management, this time only for
 imx.
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Merge tag 'clk' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

clock management changes for i.MX

Another simple series related to clock management, this time only for
imx.

* tag 'clk' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: mxs: select HAVE_CLK_PREPARE for clock
  clk: add config option HAVE_CLK_PREPARE into Kconfig
  ASoC: mxs-saif: convert to clk_prepare/clk_unprepare
  video: mxsfb: convert to clk_prepare/clk_unprepare
  serial: mxs-auart: convert to clk_prepare/clk_unprepare
  net: flexcan: convert to clk_prepare/clk_unprepare
  mtd: gpmi-lib: convert to clk_prepare/clk_unprepare
  mmc: mxs-mmc: convert to clk_prepare/clk_unprepare
  dma: mxs-dma: convert to clk_prepare/clk_unprepare
  net: fec: add clk_prepare/clk_unprepare
  ARM: mxs: convert platform code to clk_prepare/clk_unprepare
  clk: add helper functions clk_prepare_enable and clk_disable_unprepare

Fix up trivial conflicts in drivers/net/ethernet/freescale/fec.c due to
commit 0ebafefcaa ("net: fec: add clk_prepare/clk_unprepare") clashing
trivially with commit e163cc97f9 ("net/fec: fix the .remove code").
2012-01-09 14:44:15 -08:00
Linus Torvalds
e8cbce9760 timer changes for msm
A very simple series. We used to have more churn in the timer
 area, so this is kept separate. Will probably put this into the
 drivers series next time.
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Merge tag 'timer' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

timer changes for msm

A very simple series. We used to have more churn in the timer
area, so this is kept separate. Will probably put this into the
drivers series next time.

* tag 'timer' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  msm: timer: Use clockevents_config_and_register()
  msm: timer: Setup interrupt after registering clockevent
  msm: timer: Remove SoC specific #ifdefs
  msm: timer: Remove msm_clocks[] and simplify code
  msm: timer: Fix ONESHOT mode interrupts
  msm: timer: Use GPT for clockevents and DGT for clocksource
  msm: timer: Cleanup #includes and #defines
  msm: timer: Tighten #ifdef for local timer support
2012-01-09 14:40:48 -08:00
Linus Torvalds
b3c3752292 power management changes for omap and imx
A significant part of the changes for these two platforms went into
 power management, so they are split out into a separate branch.
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Merge tag 'pm' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

power management changes for omap and imx

A significant part of the changes for these two platforms went into
power management, so they are split out into a separate branch.

* tag 'pm' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (65 commits)
  ARM: imx6: remove __CPUINIT annotation from v7_invalidate_l1
  ARM: imx6: fix v7_invalidate_l1 by adding I-Cache invalidation
  ARM: imx6q: resume PL310 only when CACHE_L2X0 defined
  ARM: imx6q: build pm code only when CONFIG_PM selected
  ARM: mx5: use generic irq chip pm interface for pm functions on
  ARM: omap: pass minimal SoC/board data for UART from dt
  arm/dts: Add minimal device tree support for omap2420 and omap2430
  omap-serial: Add minimal device tree support
  omap-serial: Use default clock speed (48Mhz) if not specified
  omap-serial: Get rid of all pdev->id usage
  ARM: OMAP2+: hwmod: Add a new flag to handle hwmods left enabled at init
  ARM: OMAP4: PRM: use PRCM interrupt handler
  ARM: OMAP3: pm: use prcm chain handler
  ARM: OMAP: hwmod: add support for selecting mpu_irq for each wakeup pad
  ARM: OMAP2+: mux: add support for PAD wakeup interrupts
  ARM: OMAP: PRCM: add suspend prepare / finish support
  ARM: OMAP: PRCM: add support for chain interrupt handler
  ARM: OMAP3/4: PRM: add functions to read pending IRQs, PRM barrier
  ARM: OMAP2+: hwmod: Add API to enable IO ring wakeup
  ARM: OMAP2+: mux: add wakeup-capable hwmod mux entries to dynamic list
  ...
2012-01-09 14:39:59 -08:00
Linus Torvalds
2ac9d7aacc Driver specific changes
Again, a lot of platforms have changes in here: pxa, samsung, omap,
 at91, imx, ...
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Merge tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Driver specific changes

Again, a lot of platforms have changes in here: pxa, samsung, omap,
at91, imx, ...

* tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (54 commits)
  ARM: sa1100: clean up of the clock support
  ARM: pxa: add dummy clock for sa1100-rtc
  RTC: sa1100: support sa1100, pxa and mmp soc families
  RTC: sa1100: remove redundant code of setting alarm
  RTC: sa1100: Clean out ost register
  Input: zylonite-wm97xx - replace IRQ_GPIO() with gpio_to_irq()
  pcmcia: pxa: replace IRQ_GPIO() with gpio_to_irq()
  ARM: EXYNOS: Modified files for SPI consolidation work
  ARM: S5P64X0: Enable SDHCI support
  ARM: S5P64X0: Add lookup of sdhci-s3c clocks using generic names
  ARM: S5P64X0: Add HSMMC setup for host Controller
  ARM: EXYNOS: Add USB OHCI support to ORIGEN board
  USB: Add Samsung Exynos OHCI diver
  ARM: EXYNOS: Add USB OHCI support to SMDKV310 board
  ARM: EXYNOS: Add USB OHCI device
  net: macb: fix build break with !CONFIG_OF
  i2c: tegra: Support DVC controller in device tree
  i2c: tegra: Add __devinit/exit to probe/remove
  net/at91_ether: use gpio_is_valid for phy IRQ line
  ARM: at91/net: add macb ethernet controller in 9g45/9g20 DT
  ...
2012-01-09 14:39:22 -08:00
Linus Torvalds
5ede3ceb7b New feature development
This adds support for new features, and contains stuff from most
 platforms. A number of these patches could have fit into other
 branches, too, but were small enough not to cause too much
 confusion here.
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Merge tag 'devel' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

New feature development

This adds support for new features, and contains stuff from most
platforms. A number of these patches could have fit into other
branches, too, but were small enough not to cause too much
confusion here.

* tag 'devel' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (28 commits)
  mfd/db8500-prcmu: remove support for early silicon revisions
  ARM: ux500: fix the smp_twd clock calculation
  ARM: ux500: remove support for early silicon revisions
  ARM: ux500: update register files
  ARM: ux500: register DB5500 PMU dynamically
  ARM: ux500: update ASIC detection for U5500
  ARM: ux500: support DB8520
  ARM: picoxcell: implement watchdog restart
  ARM: OMAP3+: hwmod data: Add the default clockactivity for I2C
  ARM: OMAP3: hwmod data: disable multiblock reads on MMC1/2 on OMAP34xx/35xx <= ES2.1
  ARM: OMAP: USB: EHCI and OHCI hwmod structures for OMAP4
  ARM: OMAP: USB: EHCI and OHCI hwmod structures for OMAP3
  ARM: OMAP: hwmod data: Add support for AM35xx UART4/ttyO3
  ARM: Orion: Remove address map info from all platform data structures
  ARM: Orion: Get address map from plat-orion instead of via platform_data
  ARM: Orion: mbus_dram_info consolidation
  ARM: Orion: Consolidate the address map setup
  ARM: Kirkwood: Add configuration for MPP12 as GPIO
  ARM: Kirkwood: Recognize A1 revision of 6282 chip
  ARM: ux500: update the MOP500 GPIO assignments
  ...
2012-01-09 14:38:51 -08:00
Linus Torvalds
6d889d03ab Board-level changes
This adds and extends support for specific boards on a number of
 ARM platforms:  omap, imx, samsung, tegra, ...
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Merge tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Board-level changes

This adds and extends support for specific boards on a number of
ARM platforms:  omap, imx, samsung, tegra, ...

* tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (49 commits)
  Enable 32 bit flash support for iMX21ADS board
  ARM: mx31pdk: Add MC13783 RTC support
  iomux-mx25: configuration to support CSPI3 on CSI pins
  MX1:apf9328: Add i2c support
  mioa701: add newly available DoC G3 chip
  arm/tegra: remove __initdata annotation from pinmux tables
  arm/tegra: Use bus notifiers to trigger pinmux setup
  arm/tegra: Refactor board-*-pinmux.c to share code
  arm/tegra: Fix mistake in Trimslice's pinmux
  arm/tegra: Rework Seaboard-vs-Ventana pinmux table
  arm/tegra: Remove useless entries from ventana_pinmux[]
  arm/tegra: PCIe: Remove include of mach/pinmux.h
  arm/tegra: Harmony PCIe: Don't touch pinmux
  arm/tegra: Add AUXDATA for tegra-pinmux and tegra-gpio
  arm/tegra: Split Seaboard GPIO table to allow for Ventana
  ARM: imx6q: generate imx6q dtb files
  arm/imx6q: Rename Sabreauto to Armadillo2
  arm/imx6q-sabrelite: add enet phy ksz9021rn fixup
  arm/imx6: add imx6q sabrelite board support
  dts/imx: rename uart labels to consistent with hw spec
  ...
2012-01-09 14:37:41 -08:00
Linus Torvalds
7400c12eb0 SoC-level changes for tegra and omap
This adds support for the new tegra30 SoC, as well as small
 changes to support minor variations of existing omap SoCs.
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Merge tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

SoC-level changes for tegra and omap

This adds support for the new tegra30 SoC, as well as small
changes to support minor variations of existing omap SoCs.

* tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (26 commits)
  arm/tegra: Compile tegra_dt_init_irq only when CONFIG_OF
  arm/tegra: Make MACH_TEGRA_DT depend on ARCH_TEGRA_2x_SOC
  arm/tegra: Delete tegra_init_clock()
  arm/tegra: Fix section mismatch errors in tegra30 pinmux
  arm/tegra: Fix section mismatch errors in tegra20 pinmux
  arm/tegra: refresh defconfig for tegra30
  arm/tegra: add support for tegra30 based board cardhu
  arm/tegra: implement support for tegra30
  arm/tegra: pinmux tables and definitions for tegra30
  arm/tegra: add new fields to struct tegra_pingroup_desc
  arm/tegra: prepare pinmux code for multiple tegra variants
  arm/tegra: rename tegra20 pinmux files
  arm/tegra: generalize L2 cache initialization
  arm/tegra: use PMC reset
  arm/tegra: rename board-dt.c to board-dt-tegra20.c
  arm/tegra: prepare early init for multiple tegra variants
  arm/tegra: don't export clk_measure_input_freq
  arm/tegra: prepare clock code for multiple tegra variants
  arm/tegra: cleanup tegra20 support
  arm/tegra: clk_get should not be fatal
  ...

Fix up trivial conflict in arch/arm/mach-tegra/board-dt-tegra20.c
2012-01-09 14:33:17 -08:00
Linus Torvalds
190a44e65b Cleanups for the Samsung platforms
Various cleanup changes that the device driver changes are built upon.
 Since the samsung cleanups depend on the device tree series, which
 depends on the first set of cleanups for tegra.
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Merge tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Cleanups for the Samsung platforms

Various cleanup changes that the device driver changes are built upon.
Since the samsung cleanups depend on the device tree series, which
depends on the first set of cleanups for tegra.

* tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: EXYNOS: Use gpio_request_one
  ARM: S5PV210: Use gpio_request_one
  ARM: S3C64XX: Modified according to SPI consolidation work
  ARM: S5PV210: Modified files for SPI consolidation work
  ARM: S5P64X0: Modified files for SPI consolidation work
  ARM: S5PC100: Modified files for SPI consolidation work
  ARM: S3C64XX: Modified files for SPI consolidation work
  ARM: SAMSUNG: Consolidation of SPI platform devices to plat-samsung
  ARM: SAMSUNG: Remove SPI bus clocks from platform data
  ARM: S5PV210: Add SPI clkdev support
  ARM: S5P64X0: Add SPI clkdev support
  ARM: S5PC100: Add SPI clkdev support
  ARM: S3C64XX: Add SPI clkdev support
  spi/s3c64xx: Use bus clocks created using clkdev
  mmc: sdhci-s3c: Use generic clock names for sdhci bus clock options
  ARM: SAMSUNG: Add lookup of sdhci-s3c clocks using generic names
  ARM: SAMSUNG: Remove SDHCI bus clocks from platform data
  ARM: SAMSUNG: Use kmemdup rather than duplicating its implementation
  ARM: EXYNOS: remove exynos4_scu_enable()
2012-01-09 14:30:28 -08:00
Linus Torvalds
dfc1ebe766 Device tree conversions for samsung and tegra
Both platforms had some initial device tree support, but this adds
 much more to actually make it usable.
 
 This is where the really nasty conflicts in the samsung platform
 start, due to some files getting moved around and combined in the
 'restart' branch that has already gone into mainline through
 Russell's tree.
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Merge tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Device tree conversions for samsung and tegra

Both platforms had some initial device tree support, but this adds
much more to actually make it usable.

* tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (45 commits)
  ARM: dts: Add intial dts file for EXYNOS4210 SoC, SMDKV310 and ORIGEN
  ARM: EXYNOS: Add Exynos4 device tree enabled board file
  rtc: rtc-s3c: Add device tree support
  input: samsung-keypad: Add device tree support
  ARM: S5PV210: Modify platform data for pl330 driver
  ARM: S5PC100: Modify platform data for pl330 driver
  ARM: S5P64x0: Modify platform data for pl330 driver
  ARM: EXYNOS: Add a alias for pdma clocks
  ARM: EXYNOS: Limit usage of pl330 device instance to non-dt build
  ARM: SAMSUNG: Add device tree support for pl330 dma engine wrappers
  DMA: PL330: Add device tree support
  ARM: EXYNOS: Modify platform data for pl330 driver
  DMA: PL330: Infer transfer direction from transfer request instead of platform data
  DMA: PL330: move filter function into driver
  serial: samsung: Fix build for non-Exynos4210 devices
  serial: samsung: add device tree support
  serial: samsung: merge probe() function from all SoC specific extensions
  serial: samsung: merge all SoC specific port reset functions
  ARM: SAMSUNG: register uart clocks to clock lookup list
  serial: samsung: remove all uses of get_clksrc and set_clksrc
  ...

Fix up fairly trivial conflicts in arch/arm/mach-s3c2440/clock.c and
drivers/tty/serial/Kconfig both due to just adding code close to
changes.
2012-01-09 14:28:38 -08:00
Linus Torvalds
acc952c1f3 Cleanups on various subarchitectures
Cleanup patches for various ARM platforms and some of their associated
 drivers, the bulk of these is for mach-91.
 
 I ended up pulling in the restart branch from Russell in order to
 fix up some simple but annoying merge conflicts.
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Cleanups on various subarchitectures

Cleanup patches for various ARM platforms and some of their associated
drivers, the bulk of these is for mach-91.

Arnd ended up pulling in the restart branch from Russell in order to
fix up some simple but annoying merge conflicts.

* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (44 commits)
  arm/at91: fix build of stamp9g20
  ARM: u300: delete memory.h
  MAINTAINERS: add maintainer entry for Picochip picoxcell
  ARM: picoxcell: move io mappings to common.c
  ARM: picoxcell: don't reserve irq_descs
  ARM: picoxcell: remove mach/memory.h
  ARM: at91: delete the pcontrol_g20_defconfig
  arm/tegra: Remove code that's ifndef CONFIG_ARM_GIC
  arm/tegra: remove unused defines
  arm/tegra: fix variable formatting in makefile
  ARM: davinci: vpif: move code to driver core header from platform
  ARM: at91/gpio: fix display of number of irq setuped
  ARM: at91/gpio: drop PIN_BASE
  ARM: at91/udc: use gpio_is_valid to check the gpio
  ARM: at91/ohci: use gpio_is_valid to check the gpio
  ARM: at91/nand: use gpio_is_valid to check the gpio
  ARM: at91/mmc: use gpio_is_valid to check the gpio
  ARM: at91/ide: use gpio_is_valid to check the gpio
  ARM: at91/pata: use gpio_is_valid to check the gpio
  ARM: at91/soc: use gpio_is_valid to check the gpio
  ...
2012-01-09 14:21:03 -08:00
Linus Torvalds
57e964e1ae Non-critical bug fixes
Simple bug fixes that were not considered important enough for inclusion
 into 3.2.
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Merge tag 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Non-critical bug fixes

Simple bug fixes that were not considered important enough for inclusion
into 3.2.

* tag 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  MAINTAINERS: update pxa and mmp
  ARM: pxa: Include linux/export.h in balloon3.c
  ARM: OMAP4: clock: Add CPU local timer clock node
  ARM: OMAP4: hwmod: Don't wait for the idle status if modulemode is not supported
  ARM: OMAP: AM3517/3505: fix crash on boot due to incorrect voltagedomain data
  ARM: OMAP: hwmod data: fix the panic on Nokia RM-680 during boot
  ARM: OMAP2+: DMA: Workaround for invalid destination position
  ARM: OMAP2+: DMA: Workaround for invalid source position
2012-01-09 14:20:39 -08:00
Steven Rostedt
4dee6b64ee tracing/mm: Move include of trace/events/kmem.h out of header into slab.c
Including trace/events/*.h TRACE_EVENT() macro headers in other headers
can cause strange side effects if another trace/event/*.h header
includes that header.  Having trace/events/kmem.h inside slab_def.h
caused a compile error in sparc64 when changes were done to some header
files.  Moving the kmem.h trace header out of slab.h and into slab.c
fixes the problem.

Note, both slub.c and slob.c already include the trace/events/kmem.h
file. Only slab.c had it missing.

Link: http://lkml.kernel.org/r/20120105190405.1e3191fb5a43b2a0f1655e1f@canb.auug.org.au

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-09 14:19:33 -08:00
Ben Hutchings
a8c1f65c79 igmp: Avoid zero delay when receiving odd mixture of IGMP queries
Commit 5b7c840667 ('ipv4: correct IGMP
behavior on v3 query during v2-compatibility mode') added yet another
case for query parsing, which can result in max_delay = 0.  Substitute
a value of 1, as in the usual v3 case.

Reported-by: Simon McVittie <smcv@debian.org>
References: http://bugs.debian.org/654876
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-09 14:06:46 -08:00
stephen hemminger
e5686ad82c netdev: make net_device_ops const
More drivers where net_device_ops should be const.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-09 14:05:23 -08:00
stephen hemminger
1aff0cbe9d bcm63xx: make ethtool_ops const
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-09 14:05:23 -08:00
stephen hemminger
bc689c9788 usbnet: make ethtool_ops const
The ethtool_ops table of function pointers should be const.
Fix all the usb network drivers.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-09 14:05:23 -08:00
David S. Miller
3969eb3859 net: Fix build with INET disabled.
> net/core/sock.c: In function 'sk_update_clone':
> net/core/sock.c:1278:3: error: implicit declaration of function 'sock_update_memcg'

Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-09 13:44:23 -08:00
Al Viro
3c5184ef12 ceph: d_alloc_root() may fail
... and ceph_init_dentry(NULL) will oops

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-09 16:36:12 -05:00
Linus Torvalds
6b3da11b3c Merge branch 'for-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
* 'for-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu:
  percpu: Remove irqsafe_cpu_xxx variants

Fix up conflict in arch/x86/include/asm/percpu.h due to clash with
cebef5beed ("x86: Fix and improve percpu_cmpxchg{8,16}b_double()")
which edited the (now removed) irqsafe_cpu_cmpxchg*_double code.
2012-01-09 13:08:28 -08:00
Linus Torvalds
db0c2bf69a Merge branch 'for-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
* 'for-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: (21 commits)
  cgroup: fix to allow mounting a hierarchy by name
  cgroup: move assignement out of condition in cgroup_attach_proc()
  cgroup: Remove task_lock() from cgroup_post_fork()
  cgroup: add sparse annotation to cgroup_iter_start() and cgroup_iter_end()
  cgroup: mark cgroup_rmdir_waitq and cgroup_attach_proc() as static
  cgroup: only need to check oldcgrp==newgrp once
  cgroup: remove redundant get/put of task struct
  cgroup: remove redundant get/put of old css_set from migrate
  cgroup: Remove unnecessary task_lock before fetching css_set on migration
  cgroup: Drop task_lock(parent) on cgroup_fork()
  cgroups: remove redundant get/put of css_set from css_set_check_fetched()
  resource cgroups: remove bogus cast
  cgroup: kill subsys->can_attach_task(), pre_attach() and attach_task()
  cgroup, cpuset: don't use ss->pre_attach()
  cgroup: don't use subsys->can_attach_task() or ->attach_task()
  cgroup: introduce cgroup_taskset and use it in subsys->can_attach(), cancel_attach() and attach()
  cgroup: improve old cgroup handling in cgroup_attach_proc()
  cgroup: always lock threadgroup during migration
  threadgroup: extend threadgroup_lock() to cover exit and exec
  threadgroup: rename signal->threadgroup_fork_lock to ->group_rwsem
  ...

Fix up conflict in kernel/cgroup.c due to commit e0197aae59: "cgroups:
fix a css_set not found bug in cgroup_attach_proc" that already
mentioned that the bug is fixed (differently) in Tejun's cgroup
patchset. This one, in other words.
2012-01-09 12:59:24 -08:00
Al Viro
94bf608a18 ext4: fix failure exits
a) leaking root dentry is bad
b) in case of failed ext4_mb_init() we don't want to do ext4_mb_release()
c) OTOH, in the same case we *do* want ext4_ext_release()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-09 15:57:20 -05:00
Linus Torvalds
ac69e09280 Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  ext2/3/4: delete unneeded includes of module.h
  ext{3,4}: Fix potential race when setversion ioctl updates inode
  udf: Mark LVID buffer as uptodate before marking it dirty
  ext3: Don't warn from writepage when readonly inode is spotted after error
  jbd: Remove j_barrier mutex
  reiserfs: Force inode evictions before umount to avoid crash
  reiserfs: Fix quota mount option parsing
  udf: Treat symlink component of type 2 as /
  udf: Fix deadlock when converting file from in-ICB one to normal one
  udf: Cleanup calling convention of inode_getblk()
  ext2: Fix error handling on inode bitmap corruption
  ext3: Fix error handling on inode bitmap corruption
  ext3: replace ll_rw_block with other functions
  ext3: NULL dereference in ext3_evict_inode()
  jbd: clear revoked flag on buffers before a new transaction started
  ext3: call ext3_mark_recovery_complete() when recovery is really needed
2012-01-09 12:51:21 -08:00
Linus Torvalds
9e203936ea Merge branch 'for-linus' of git://git.open-osd.org/linux-open-osd
* 'for-linus' of git://git.open-osd.org/linux-open-osd:
  ore: Must support none-PAGE-aligned IO
  ore: fix BUG_ON, too few sgs when reading
  ore: Fix crash in case of an IO error.
  ore: FIX breakage when MISC_FILESYSTEMS is not set
2012-01-09 12:51:01 -08:00
Linus Torvalds
993ecff81a Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
* 'for-linus' of git://oss.sgi.com/xfs/xfs:
  xfs: fix endian conversion issue in discard code
2012-01-09 12:50:15 -08:00
Jiri Pirko
2429f7ac2e net: introduce netif_addr_lock_nested() and call if when appropriate
dev_uc_sync() and dev_mc_sync() are acquiring netif_addr_lock for
destination device of synchronization. Since netif_addr_lock is
already held at the time for source device, this triggers lockdep
deadlock warning.

There's no way this deadlock can happen so use spin_lock_nested() to
silence the warning.

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-09 12:46:58 -08:00
Jiri Pirko
ab16ebf375 net: correct lock name in dev_[uc/mc]_sync documentations.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-09 12:46:58 -08:00
Linus Torvalds
12e5550892 Merge branch 'staging-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
* 'staging-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (466 commits)
  net/hyperv: Add support for jumbo frame up to 64KB
  net/hyperv: Add NETVSP protocol version negotiation
  net/hyperv: Remove unnecessary kmap_atomic in netvsc driver
  staging/rtl8192e: Register against lib80211
  staging/rtl8192e: Convert to lib80211_crypt_info
  staging/rtl8192e: Convert to lib80211_crypt_data and lib80211_crypt_ops
  staging/rtl8192e: Add lib80211.h to rtllib.h
  staging/mei: add watchdog device registration wrappers
  drm/omap: GEM, deal with cache
  staging: vt6656: int.c, int.h: Change return of function to void
  staging: usbip: removed unused definitions from header
  staging: usbip: removed dead code from receive function
  staging:iio: Drop {mark,unmark}_in_use callbacks
  staging:iio: Drop buffer mark_param_change callback
  staging:iio: Drop the unused buffer enable() and is_enabled() callbacks
  staging:iio: Drop buffer busy flag
  staging:iio: Make sure a device is only opened once at a time
  staging:iio: Disallow modifying buffer size when buffer is enabled
  staging:iio: Disallow changing scan elements in all buffered modes
  staging:iio: Use iio_buffer_enabled instead of open coding it
  ...

Fix up conflict in drivers/staging/iio/adc/ad799x_core.c (removal of
module_init due to using module_i2c_driver() helper, next to removal of
MODULE_ALIAS due to using MODULE_DEVICE_TABLE instead).
2012-01-09 12:18:17 -08:00
Linus Torvalds
55b81e6f27 Merge branch 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
* 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (232 commits)
  USB: Add USB-ID for Multiplex RC serial adapter to cp210x.c
  xhci: Clean up 32-bit build warnings.
  USB: update documentation for usbmon
  usb: usb-storage doesn't support dynamic id currently, the patch disables the feature to fix an oops
  drivers/usb/class/cdc-acm.c: clear dangling pointer
  drivers/usb/dwc3/dwc3-pci.c: introduce missing kfree
  drivers/usb/host/isp1760-if.c: introduce missing kfree
  usb: option: add ZD Incorporated HSPA modem
  usb: ch9: fix up MaxStreams helper
  USB: usb-skeleton.c: cleanup open_count
  USB: usb-skeleton.c: fix open/disconnect race
  xhci: Properly handle COMP_2ND_BW_ERR
  USB: remove dead code from suspend/resume path
  USB: add quirk for another camera
  drivers: usb: wusbcore: Fix dependency for USB_WUSB
  xhci: Better debugging for critical host errors.
  xhci: Be less verbose during URB cancellation.
  xhci: Remove debugging about ring structure allocation.
  xhci: Remove debugging about toggling cycle bits.
  xhci: Remove debugging for individual transfers.
  ...
2012-01-09 12:09:47 -08:00
Linus Torvalds
5983faf942 Merge branch 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
* 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (65 commits)
  tty: serial: imx: move del_timer_sync() to avoid potential deadlock
  imx: add polled io uart methods
  imx: Add save/restore functions for UART control regs
  serial/imx: let probing fail for the dt case without a valid alias
  serial/imx: propagate error from of_alias_get_id instead of using -ENODEV
  tty: serial: imx: Allow UART to be a source for wakeup
  serial: driver for m32 arch should not have DEC alpha errata
  serial/documentation: fix documented name of DCD cpp symbol
  atmel_serial: fix spinlock lockup in RS485 code
  tty: Fix memory leak in virtual console when enable unicode translation
  serial: use DIV_ROUND_CLOSEST instead of open coding it
  serial: add support for 400 and 800 v3 series Titan cards
  serial: bfin-uart: Remove ASYNC_CTS_FLOW flag for hardware automatic CTS.
  serial: bfin-uart: Enable hardware automatic CTS only when CTS pin is available.
  serial: make FSL errata depend on 8250_CONSOLE, not just 8250
  serial: add irq handler for Freescale 16550 errata.
  serial: manually inline serial8250_handle_port
  serial: make 8250 timeout use the specified IRQ handler
  serial: export the key functions for an 8250 IRQ handler
  serial: clean up parameter passing for 8250 Rx IRQ handling
  ...
2012-01-09 12:09:24 -08:00
Linus Torvalds
21a2cb565a Merge branch 'char-misc-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
* 'char-misc-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  isl29020: Remove a redundant semi-colon from return statement
  BMP085: Remove redundant semi-colon from return statement
  drivers:misc: ti-st: DEBUG uart, baud rate mods
  drivers:misc: ti-st: flush UART upon fw failure
  drivers:misc: ti-st: protect registrations
  char_dev.c: fix up some whitespace errors
  s390: tape_class.h: remove kobj_map.h inclusion
  misc: ad525x_dpot: Add support for SPI module device table matching
2012-01-09 12:08:59 -08:00
Arnd Bergmann
421b759b86 Merge branch 'samsung/cleanup' into next/boards
Conflicts:
	arch/arm/mach-imx/mach-imx6q.c
	arch/arm/mach-omap2/board-ti8168evm.c
	arch/arm/mach-s3c64xx/Kconfig
	arch/arm/mach-tegra/Makefile
	arch/arm/mach-tegra/board-dt-tegra20.c
	arch/arm/mach-tegra/common.c

Lots of relatively simple conflicts between the board
changes and stuff from the arm tree. This pulls in
the resolution from the samsung/cleanup tree, so we
don't get conflicting merges.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-01-09 17:06:36 +00:00
Linus Torvalds
c99516ca85 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  ext[34]: avoid i_nlink warnings triggered by drop_nlink/inc_nlink kludge in symlink()
  exofs: oops after late failure in mount
  devpts: fix double-free on mount failure
  ... and the same for gadgetfs
  functionfs: unfuck failure exits on mount
2012-01-09 08:31:22 -08:00
Arnd Bergmann
dcf7ec5ee6 Merge branch 'samsung/driver' into next/drivers
Conflicts:
	arch/arm/mach-mxs/include/mach/common.h

Pull in previous samsung conflict merges and do a trivial
merge of an mxs double-add conflict.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-01-09 16:16:29 +00:00
Arnd Bergmann
142f2101a8 Merge branch 'samsung/cleanup' into samsung/driver
Conflicts:
	arch/arm/mach-s5p64x0/cpu.c -> common.c

More changes to a file that got moved into common.c,
see previous conflict resolutions.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-01-09 16:14:07 +00:00
Linus Torvalds
72f318897e Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (31 commits)
  [S390] disassembler: mark exception causing instructions
  [S390] Enable exception traces by default
  [S390] return address of compat signals
  [S390] sysctl: get rid of dead declaration
  [S390] dasd: fix fixpoint divide exception in define_extent
  [S390] dasd: add sanity check to detect path connection error
  [S390] qdio: fix kernel panic for zfcp 31-bit
  [S390] Add s390x description to Documentation/kdump/kdump.txt
  [S390] Add VMCOREINFO_SYMBOL(high_memory) to vmcoreinfo
  [S390] dasd: fix expiration handling for recovery requests
  [S390] outstanding interrupts vs. smp_send_stop
  [S390] ipc: call generic sys_ipc demultiplexer
  [S390] zcrypt: Fix error return codes.
  [S390] zcrypt: Rework length parameter checking.
  [S390] cleanup trap handling
  [S390] Remove Kerntypes leftovers
  [S390] topology: increase poll frequency if change is anticipated
  [S390] entry[64].S improvements
  [S390] make arch/s390 subdirectories depend on config option
  [S390] kvm: move cmf host id constant out of lowcore
  ...

Fix up conflicts in arch/s390/kernel/{smp.c,topology.c} due to the
sysdev removal clashing with "topology: get rid of ifdefs" which moved
some of that code around.
2012-01-09 08:11:13 -08:00
Arnd Bergmann
b48741cce3 Merge branch 'samsung/cleanup' into next/cleanup2 2012-01-09 16:06:31 +00:00
Arnd Bergmann
a07613a54d Merge branch 'samsung/dt' into samsung/cleanup
Conflicts:
	arch/arm/mach-s3c64xx/Makefile
	arch/arm/mach-s5pc100/Makefile
	arch/arm/mach-s5pv210/Makefile

Pull in previously resolved conflicts:

The Makefiles were reorganized in the "rmk/restart" series and modified
in the "samsung/cleanup series". This also pulls in the other conflict
resolutions from the restart series against the samsung/dt series.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-01-09 16:01:00 +00:00
Al Viro
8fdd8c49fe isofs: inode leak on mount failure
d_alloc_root() failure leaves root inode leaked...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-01-09 10:48:11 -05:00
Paul Gortmaker
302bf2f325 ext2/3/4: delete unneeded includes of module.h
Delete any instances of include module.h that were not strictly
required.  In the case of ext2, the declaration of MODULE_LICENSE
etc. were in inode.c but the module_init/exit were in super.c, so
relocate the MODULE_LICENCE/AUTHOR block to super.c which makes it
consistent with ext3 and ext4 at the same time.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Jan Kara <jack@suse.cz>
2012-01-09 13:52:10 +01:00
Djalal Harouni
6c2155b9cc ext{3,4}: Fix potential race when setversion ioctl updates inode
The EXT{3,4}_IOC_SETVERSION ioctl() updates i_ctime and i_generation
without i_mutex. This can lead to a race with the other operations that
update i_ctime. This is not a big issue but let's make the ioctl consistent
with how we handle e.g. other timestamp updates and use i_mutex to protect
inode changes.

Signed-off-by: Djalal Harouni <tixxdz@opendz.org>
Signed-off-by: Jan Kara <jack@suse.cz>
2012-01-09 13:52:10 +01:00
Jan Kara
853a0c25ba udf: Mark LVID buffer as uptodate before marking it dirty
When we hit EIO while writing LVID, the buffer uptodate bit is cleared.
This then results in an anoying warning from mark_buffer_dirty() when we
write the buffer again. So just set uptodate flag unconditionally.

Reviewed-by: Namjae Jeon <linkinjeon@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
2012-01-09 13:52:10 +01:00
Jan Kara
33c104d415 ext3: Don't warn from writepage when readonly inode is spotted after error
WARN_ON_ONCE(IS_RDONLY(inode)) tends to trip when filesystem hits error and is
remounted read-only. This unnecessarily scares users (well, they should be
scared because of filesystem error, but the stack trace distracts them from the
right source of their fear ;-). We could as well just remove the WARN_ON but
it's not hard to fix it to not trip on filesystem with errors and not use more
cycles in the common case so that's what we do.

CC: stable@kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
2012-01-09 13:52:09 +01:00
Jan Kara
0048278552 jbd: Remove j_barrier mutex
j_barrier mutex is used for serializing different journal lock operations.  The
problem with it is that e.g. FIFREEZE ioctl results in process leaving kernel
with j_barrier mutex held which makes lockdep freak out. Also hibernation code
wants to freeze filesystem but it cannot do so because it then cannot hibernate
the system because of mutex being locked.

So we remove j_barrier mutex and use direct wait on j_barrier_count instead.
Since locking journal is a rare operation we don't have to care about fairness
or such things.

CC: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Jan Kara <jack@suse.cz>
2012-01-09 13:52:09 +01:00
Jeff Mahoney
a9e36da655 reiserfs: Force inode evictions before umount to avoid crash
This patch fixes a crash in reiserfs_delete_xattrs during umount.

When shrink_dcache_for_umount clears the dcache from
generic_shutdown_super, delayed evictions are forced to disk. If an
evicted inode has extended attributes associated with it, it will
need to walk the xattr tree to locate and remove them.

But since shrink_dcache_for_umount will BUG if it encounters active
dentries, the xattr tree must be released before it's called or it will
crash during every umount.

This patch forces the evictions to occur before generic_shutdown_super
by calling shrink_dcache_sb first. The additional evictions caused
by the removal of each associated xattr file and dir will be automatically
handled as they're added to the LRU list.

CC: reiserfs-devel@vger.kernel.org
CC: stable@kernel.org
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Jan Kara <jack@suse.cz>
2012-01-09 13:52:09 +01:00