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2011-07-28Merge branch 'for-next' of ↵Linus Torvalds49-40/+22173
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: target: Convert to DIV_ROUND_UP_SECTOR_T usage for sectors / dev_max_sectors kernel.h: Add DIV_ROUND_UP_ULL and DIV_ROUND_UP_SECTOR_T macro usage iscsi-target: Add iSCSI fabric support for target v4.1 iscsi: Add Serial Number Arithmetic LT and GT into iscsi_proto.h iscsi: Use struct scsi_lun in iscsi structs instead of u8[8] iscsi: Resolve iscsi_proto.h naming conflicts with drivers/target/iscsi
2011-07-27signals: sys_ssetmask/sys_rt_sigsuspend should use set_current_blocked()Oleg Nesterov2-16/+6
sys_ssetmask(), sys_rt_sigsuspend() and compat_sys_rt_sigsuspend() change ->blocked directly. This is not correct, see the changelog in e6fa16ab "signal: sigprocmask() should do retarget_shared_pending()" Change them to use set_current_blocked(). Another change is that now we are doing ->saved_sigmask = ->blocked lockless, it doesn't make any sense to do this under ->siglock. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Reviewed-by: Matt Fleming <matt.fleming@linux.intel.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27sparc: rename atomic_add_unlessStephen Rothwell1-2/+2
Should have been done in commit 1af08a1407f4 ("This is in preparation for more generic atomic"). Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Arun Sharma <asharma@fb.com> Cc: David Miller <davem@davemloft.net> Cc: "Hans-Christian Egtvedt" <hans-christian.egtvedt@atmel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27proc: make struct proc_dir_entry::name a terminal array rather than a pointerDavid Howells4-8/+7
Since __proc_create() appends the name it is given to the end of the PDE structure that it allocates, there isn't a need to store a name pointer. Instead we can just replace the name pointer with a terminal char array of _unspecified_ length. The compiler will simply append the string to statically defined variables of PDE type overlapping any hole at the end of the structure and, unlike specifying an explicitly _zero_ length array, won't give a warning if you try to statically initialise it with a string of more than zero length. Also, whilst we're at it: (1) Move namelen to end just prior to name and reduce it to a single byte (name shouldn't be longer than NAME_MAX). (2) Move pde_unload_lock two places further on so that if it's four bytes in size on a 64-bit machine, it won't cause an unused hole in the PDE struct. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27Merge branch 'for-linus' of ↵Linus Torvalds3-10/+4
git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6: jfs: clean up some compiler warnings
2011-07-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixesLinus Torvalds1-2/+2
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes: GFS2: Fix mount hang caused by certain access pattern to sysfs files
2011-07-27Merge branch 'for-linus' of ↵Linus Torvalds21-217/+1035
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (22 commits) ALSA: hda - Cirrus Logic CS421x support ALSA: Make pcm.h self-contained ALSA: hda - Allow codec-specific set_power_state ops ALSA: hda - Add post_suspend patch ops ALSA: hda - Make CONFIG_SND_HDA_POWER_SAVE depending on CONFIG_PM ALSA: hda - Make sure mute led reflects master mute state ALSA: hda - Fix invalid mute led state on resume of IDT codecs ASoC: Revert "ASoC: SAMSUNG: Add I2S0 internal dma driver" ALSA: hda - Add support of the 4 internal speakers on certain HP laptops ALSA: Make snd_pcm_debug_name usable outside pcm_lib ALSA: hda - Fix DAC filling for multi-connection pins in Realtek parser ASoC: dapm - Add methods to retrieve snd_card and soc_card from dapm context. ASoC: SAMSUNG: Add I2S0 internal dma driver ASoC: SAMSUNG: Modify I2S driver to support idma ASoC: davinci: add missing break statement ASoC: davinci: fix codec start and stop functions ASoC: dapm - add DAPM macro for external enum widgets ASoC: Acknowledge WM8962 interrupts before acting on them ASoC: sgtl5000: guide user when regulator support is needed ASoC: sgtl5000: refactor registering internal ldo ...
2011-07-27Merge branch 'for-linus' of ↵Linus Torvalds44-317/+1943
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (53 commits) Input: synaptics - fix reporting of min coordinates Input: tegra-kbc - enable key autorepeat Input: kxtj9 - fix locking typo in kxtj9_set_poll() Input: kxtj9 - fix bug in probe() Input: intel-mid-touch - remove pointless checking for variable 'found' Input: hp_sdc - staticize hp_sdc_kicker() Input: pmic8xxx-keypad - fix a leak of the IRQ during init failure Input: cy8ctmg110_ts - set reset_pin and irq_pin from platform data Input: cy8ctmg110_ts - constify i2c_device_id table Input: cy8ctmg110_ts - fix checking return value of i2c_master_send Input: lifebook - make dmi callback functions return 1 Input: atkbd - make dmi callback functions return 1 Input: gpio_keys - switch to using SIMPLE_DEV_PM_OPS Input: gpio_keys - add support for device-tree platform data Input: aiptek - remove double define Input: synaptics - set minimum coordinates as reported by firmware Input: synaptics - process button bits in AGM packets Input: synaptics - rename set_slot to be more descriptive Input: synaptics - fuzz position for touchpad with reduced filtering Input: synaptics - set resolution for MT_POSITION_X/Y axes ...
2011-07-27Merge branch 'next' of git://git.monstr.eu/linux-2.6-microblazeLinus Torvalds16-133/+149
* 'next' of git://git.monstr.eu/linux-2.6-microblaze: microblaze: Do not show error message for 32 interrupt lines Revert "microblaze: PCI fix typo fault in of_node pointer moving into pci_bus" microblaze: PCI fix typo fault in of_node pointer moving into pci_bus microblaze: Add support for early console on mdm microblaze: Simplify early console binding from DT microblaze: Get early printk console earlier microblaze: Standardise cpuinfo output for cache policy microblaze: Unprivileged stream instruction awareness microblaze: trivial: Fix typo fault microblaze: exec: Remove redundant set_fs(USER_DS) microblaze: Remove duplicated prototype of start_thread() microblaze: Fix unaligned value saving to the stack for system with MMU microblaze/irqs: Do not trace arch_local_{*,irq_*} functions
2011-07-27staging: brcm80211: Fix double include introduced by bad mergeDaniel Morsing1-2/+0
A merge with Linus' tree added a double include of linux/interrupt.h. Fix by removing one of the includes. Signed-off-by: Daniel Morsing <daniel.morsing@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27microblaze: Do not show error message for 32 interrupt linesMichal Simek1-1/+1
When interrupt controller uses 32 interrupts lines the kernel show error message about mismatch in kind-of-intr parameter because it exceeds u32. Recast fixs this issue. Signed-off-by: Michal Simek <monstr@monstr.eu>
2011-07-27Merge branch 'next' into for-linusDmitry Torokhov7903-383404/+474372
2011-07-27Merge branch 'for-linus' of ↵Linus Torvalds25-120/+133
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: merge fchmod() and fchmodat() guts, kill ancient broken kludge xfs: fix misspelled S_IS...() xfs: get rid of open-coded S_ISREG(), etc. vfs: document locking requirements for d_move, __d_move and d_materialise_unique omfs: fix (mode & S_IFDIR) abuse btrfs: S_ISREG(mode) is not mode & S_IFREG... ima: fmode_t misspelled as mode_t... pci-label.c: size_t misspelled as mode_t jffs2: S_ISLNK(mode & S_IFMT) is pointless snd_msnd ->mode is fmode_t, not mode_t v9fs_iop_get_acl: get rid of unused variable vfs: dont chain pipe/anon/socket on superblock s_inodes list Documentation: Exporting: update description of d_splice_alias fs: add missing unlock in default_llseek()
2011-07-27Merge branch 'next/devel2' of ↵Linus Torvalds51-1380/+3575
git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc * 'next/devel2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: (47 commits) OMAP: Add debugfs node to show the summary of all clocks OMAP2+: hwmod: Follow the recommended PRCM module enable sequence OMAP2+: clock: allow per-SoC clock init code to prevent clockdomain calls from clock code OMAP2+: clockdomain: Add per clkdm lock to prevent concurrent state programming OMAP2+: PM: idle clkdms only if already in idle OMAP2+: clockdomain: add clkdm_in_hwsup() OMAP2+: clockdomain: Add 2 APIs to control clockdomain from hwmod framework OMAP: clockdomain: Remove redundant call to pwrdm_wait_transition() OMAP4: hwmod: Introduce the module control in hwmod control OMAP4: cm: Add two new APIs for modulemode control OMAP4: hwmod data: Add modulemode entry in omap_hwmod structure OMAP4: hwmod data: Add PRM context register offset OMAP4: prm: Remove deprecated functions OMAP4: prm: Replace warm reset API with the offset based version OMAP4: hwmod: Replace RSTCTRL absolute address with offset macros OMAP: hwmod: Wait the idle status to be disabled OMAP4: hwmod: Replace CLKCTRL absolute address with offset macros OMAP2+: hwmod: Init clkdm field at boot time OMAP4: hwmod data: Add clock domain attribute OMAP4: clock data: Add missing divider selection for auxclks ...
2011-07-27Merge branch 'next/devel' of ↵Linus Torvalds214-1159/+4530
ssh://master.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc * 'next/devel' of ssh://master.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: (128 commits) ARM: S5P64X0: External Interrupt Support ARM: EXYNOS4: Enable MFC on Samsung NURI ARM: EXYNOS4: Enable MFC on universal_c210 ARM: S5PV210: Enable MFC on Goni ARM: S5P: Add support for MFC device ARM: EXYNOS4: Add support FIMD on SMDKC210 ARM: EXYNOS4: Add platform device and helper functions for FIMD ARM: EXYNOS4: Add resource definition for FIMD ARM: EXYNOS4: Change devname for FIMD clkdev ARM: SAMSUNG: Add IRQ_I2S0 definition ARM: SAMSUNG: Add platform device for idma ARM: EXYNOS4: Add more registers to be saved and restored for PM ARM: EXYNOS4: Add more register addresses of CMU ARM: EXYNOS4: Add platform device for dwmci driver ARM: EXYNOS4: configure rtc-s3c on NURI ARM: EXYNOS4: configure MAX8903 secondary charger on NURI ARM: EXYNOS4: configure ADC on NURI ARM: EXYNOS4: configure MAX17042 fuel gauge on NURI ARM: EXYNOS4: configure regulators and PMIC(MAX8997) on NURI ARM: EXYNOS4: Increase NR_IRQS for devices with more IRQs ... Fix up tons of silly conflicts: - arch/arm/mach-davinci/include/mach/psc.h - arch/arm/mach-exynos4/Kconfig - arch/arm/mach-exynos4/mach-smdkc210.c - arch/arm/mach-exynos4/pm.c - arch/arm/mach-imx/mm-imx1.c - arch/arm/mach-imx/mm-imx21.c - arch/arm/mach-imx/mm-imx25.c - arch/arm/mach-imx/mm-imx27.c - arch/arm/mach-imx/mm-imx31.c - arch/arm/mach-imx/mm-imx35.c - arch/arm/mach-mx5/mm.c - arch/arm/mach-s5pv210/mach-goni.c - arch/arm/mm/Kconfig
2011-07-27Merge branch 'next/board' of ↵Linus Torvalds12-48/+1205
git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc * 'next/board' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: ARM: S3C64XX: Configure backup battery charger on Cragganmore ARM: S3C64XX: Fix WM8915 IRQ polarity on Cragganmore ARM: S3C64XX: Configure supplies for all Cragganmore regulators ARM: S3C64XX: Refresh Cragganmore support ARM: S3C64XX: Initial support for Wolfson/Simtec Cragganmore/Banff OMAP4: Keyboard: Mux changes in the board file omap: blaze: add mmc5/wl1283 device support omap: 4430SDP: Register the card detect GPIO properly arm: omap3: cm-t35: add support for cm-t3730 OMAP3: beagle: add support for beagleboard xM revision C OMAP3: rx-51: Add full regulator definitions omap: rx51: Platform support for lp5523 led chip
2011-07-27Merge branch 'next/cross-platform' of ↵Linus Torvalds98-577/+212
git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc * 'next/cross-platform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: ARM: Consolidate the clkdev header files ARM: set vga memory base at run-time ARM: convert PCI defines to variables ARM: pci: make pcibios_assign_all_busses use pci_has_flag ARM: remove unnecessary mach/hardware.h includes pci: move microblaze and powerpc pci flag functions into asm-generic powerpc: rename ppc_pci_*_flags to pci_*_flags Fix up conflicts in arch/microblaze/include/asm/pci-bridge.h
2011-07-27Merge branch 'next/fixes2' of ↵Linus Torvalds22-55/+288
git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc * 'next/fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: (24 commits) ASoC: omap: McBSP: fix build breakage on OMAP1 OMAP: hwmod: fix the i2c-reset timeout during bootup I2C: OMAP2+: add correct functionality flags to all omap2plus i2c dev_attr I2C: OMAP2+: Tag all OMAP2+ hwmod defintions with I2C IP revision I2C: OMAP1/OMAP2+: create omap I2C functionality flags for each cpu_... test I2C: OMAP2+: Introduce I2C IP versioning constants I2C: OMAP2+: increase omap_i2c_dev_attr flags from u8 to u32 I2C: OMAP2+: Set hwmod flags to only allow 16-bit accesses to i2c OMAP4: hwmod data: Change DSS main_clk scheme OMAP4: powerdomain data: Remove unsupported MPU powerdomain state OMAP4: clock data: Keep GPMC clocks always enabled and hardware managed OMAP4: powerdomain data: Fix core mem states and missing cefuse flag OMAP2+: PM: Initialise sleep_switch to a non-valid value OMAP4: hwmod data: Modify DSS opt clocks OMAP4: iommu: fix clock name omap: iovmm: s/sg_dma_len(sg)/sg->length/ omap: iommu: fix pte programming arm: omap3: cm-t35: fix slow path warning arm: omap3: cm-t35: minor comments fixes omap: ZOOM: QUART: Request reset GPIO ...
2011-07-27Merge branch 'next/soc' of ↵Linus Torvalds57-13/+2820
git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc * 'next/soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: MAINTAINERS: add maintainer of CSR SiRFprimaII machine ARM: CSR: initializing L2 cache ARM: CSR: mapping early DEBUG_LL uart ARM: CSR: Adding CSR SiRFprimaII board support OMAP4: clocks: Update the clock tree with 4460 clock nodes OMAP4: PRCM: OMAP4460 specific PRM and CM register bitshifts OMAP4: ID: add omap_has_feature for max freq supported OMAP: ID: introduce chip detection for OMAP4460 ARM: Xilinx: merge board file into main platform code ARM: Xilinx: Adding Xilinx board support Fix up conflicts in arch/arm/mach-omap2/cm-regbits-44xx.h
2011-07-27Merge branch 'next-i2c' of git://git.fluff.org/bjdooks/linuxLinus Torvalds2-21/+37
* 'next-i2c' of git://git.fluff.org/bjdooks/linux: i2c-eg20t : Fix the issue of Combined R/W transfer mode i2c-eg20t : Support Combined R/W transfer mode i2c: Tegra: Add DeviceTree support
2011-07-27asm-generic/atomic.h: allow SMP peeps to leverage thisMike Frysinger1-1/+15
Only a few core funcs need to be implemented for SMP systems, so allow the arches to override them while getting the rest for free. At least, this is enough to allow the Blackfin SMP port to use things. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Cc: Arun Sharma <asharma@fb.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27asm-generic/atomic.h: add atomic_set_mask() helperMike Frysinger1-0/+16
Since arches are expected to implement this guy, add a common version for people the same way as atomic_clear_mask is handled. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Cc: Arun Sharma <asharma@fb.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27asm-generic/atomic.h: fix type used in atomic_clear_maskMike Frysinger1-2/+9
The atomic helpers are supposed to take an atomic_t pointer, not a random unsigned long pointer. So convert atomic_clear_mask over. While we're here, also add some nice documentation to the func. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Cc: Arun Sharma <asharma@fb.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27asm-generic/atomic.h: simplify inc/dec test helpersMike Frysinger1-2/+2
We already declared inc/dec helpers, so we don't need to call the atomic_{add,sub}_return funcs directly. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Cc: Arun Sharma <asharma@fb.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27atomic: Update comments in atomic.hArun Sharma2-1/+4
This clarifies the differences between <linux/atomic.h> and <asm-generic/atomic.h> Signed-off-by: Arun Sharma <asharma@fb.com> Suggested-by: Mike Frysinger <vapier.adi@gmail.com> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Acked-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27atomic: cleanup asm-generic atomic*.h inclusionArun Sharma23-50/+5
After changing all consumers of atomics to include <linux/atomic.h>, we ran into some compile time errors due to this dependency chain: linux/atomic.h -> asm/atomic.h -> asm-generic/atomic-long.h where atomic-long.h could use funcs defined later in linux/atomic.h without a prototype. This patches moves the code that includes asm-generic/atomic*.h to linux/atomic.h. Archs that need <asm-generic/atomic64.h> need to select CONFIG_GENERIC_ATOMIC64 from now on (some of them used to include it unconditionally). Compile tested on i386 and x86_64 with allnoconfig. Signed-off-by: Arun Sharma <asharma@fb.com> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Acked-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27atomic: move atomic_add_unless to generic codeArun Sharma26-102/+109
This is in preparation for more generic atomic primitives based on __atomic_add_unless. Signed-off-by: Arun Sharma <asharma@fb.com> Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Acked-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27atomic: use <linux/atomic.h>Arun Sharma439-448/+427
This allows us to move duplicated code in <asm/atomic.h> (atomic_inc_not_zero() for now) to <linux/atomic.h> Signed-off-by: Arun Sharma <asharma@fb.com> Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Cc: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27asm-generic: add another generic ext2 atomic bitopsAkinobu Mita15-59/+28
The majority of architectures implement ext2 atomic bitops as test_and_{set,clear}_bit() without spinlock. This adds this type of generic implementation in ext2-atomic-setbit.h and use it wherever possible. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Suggested-by: Andreas Dilger <adilger@dilger.ca> Suggested-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27fail_make_request: cleanup should_fail_requestAkinobu Mita1-14/+12
This changes should_fail_request() to more usable wrapper function of should_fail(). It can avoid putting #ifdef CONFIG_FAIL_MAKE_REQUEST in the middle of a function. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Jens Axboe <axboe@kernel.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27fail_page_alloc: simplify debugfs initializationAkinobu Mita1-31/+16
Now cleanup_fault_attr_dentries() recursively removes a directory, So we can simplify the error handling in the initialization code and no need to hold dentry structs for each debugfs file. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27failslab: simplify debugfs initializationAkinobu Mita1-21/+10
Now cleanup_fault_attr_dentries() recursively removes a directory, So we can simplify the error handling in the initialization code and no need to hold dentry structs for each debugfs file. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Christoph Lameter <cl@linux-foundation.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27fault-injection: use debugfs_remove_recursiveAkinobu Mita4-107/+30
Use debugfs_remove_recursive() to simplify initialization and deinitialization of fault injection debugfs files. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27fault-injection: cleanup simple attribute of stacktrace_depthAkinobu Mita1-15/+15
Minor cosmetic changes for simple attribute of stacktrace_depth: - use min_t() - reduce #ifdef by moving a function - do not use partly capitalized function name Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27fault-injection: remove nonexistent function externAkinobu Mita1-1/+0
should_fail_srandom() does not exist. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27fault-injection: do not include unneeded headerAkinobu Mita1-1/+0
No need to include linux/kallsyms.h. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27ramoops: make record_size a module parameterSergiu Iordache2-10/+28
The size of the dump is currently set using the RECORD_SIZE macro which is set to a page size. This patch makes the record size a module parameter and allows it to be set through platform data as well to allow larger dumps if needed. Signed-off-by: Sergiu Iordache <sergiu@chromium.org> Acked-by: Marco Stornelli <marco.stornelli@gmail.com> Cc: "Ahmed S. Darwish" <darwish.07@gmail.com> Cc: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27ramoops: move dump_oops into platform dataSergiu Iordache2-1/+5
The platform driver currently allows setting the mem_size and mem_address. ince dump_oops is also a module parameter it would be more consistent if it could be set through platform data as well. Signed-off-by: Sergiu Iordache <sergiu@chromium.org> Acked-by: Marco Stornelli <marco.stornelli@gmail.com> Cc: "Ahmed S. Darwish" <darwish.07@gmail.com> Cc: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27ramoops: add new line to each printMarco Stornelli1-6/+9
Add new line to each print. Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com> Reported-by: Stevie Trujillo <stevie.trujillo@gmail.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: Américo Wang <xiyou.wangcong@gmail.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27ramoops: use module parameters instead of platform data if not availableMarco Stornelli1-12/+35
Use generic module parameters instead of platform data, if platform data are not available. This limitation has been introduced with commit c3b92ce9e75 ("ramoops: use the platform data structure instead of module params"). [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: Américo Wang <xiyou.wangcong@gmail.com> Reported-by: Stevie Trujillo <stevie.trujillo@gmail.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27Vmware balloon: switch to using sysem-wide freezable workqueueDmitry Torokhov1-20/+11
With the arrival of concurrency-managed workqueues there is no need for our driver to use dedicated workqueue; system-wide one should suffice just fine. [akpm@linux-foundation.org: fix comment layout & grammar] Signed-off-by: Dmitry Torokhov <dtor@vmware.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27drivers/w1/slaves/w1_therm.c: add support for DS28EA00Christian Glindkamp2-0/+10
Signed-off-by: Christian Glindkamp <christian.glindkamp@taskit.de> Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27panic, vt: do not force oops output when panic_timeout < 0Mandeep Singh Baines1-1/+1
Don't force output if you intend to reboot immediately. In this patch, I'm disabling the functionality enabled by vc->vc_panic_force_write if panic_timeout < 0 (i.e. no timeout). vc_panic_force_write is only enabled for fb video consoles if the FBINFO_CAN_FORCE_OUTPUT flag is set. For our application, we're using ram_oops to preserved the panic in memory. We want to reliably, and as fast as possible, machine_restart. The vc_panic_force_write flag results in a bunch of graphics driver code to be invoked which slows down restart and decreases reliability. Since we're already storing the panic in RAM and are going to reboot immediately, there is no benefit in mode switching back to the vc in order to display the panic output. The log buffer will get flushed by the console_unblank() call so remote management consoles should see all output. Signed-off-by: Mandeep Singh Baines <msb@chromium.org> Cc: Huang Ying <ying.huang@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Hugh Dickins <hughd@google.com> Cc: Olaf Hering <olaf@aepfle.de> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: Dave Airlie <airlied@gmail.com> Cc: Greg Kroah-Hartman <gregkh@suse.de> Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27panic: panic=-1 for immediate rebootHugh Dickins2-1/+5
When a kernel BUG or oops occurs, ChromeOS intends to panic and immediately reboot, with stacktrace and other messages preserved in RAM across reboot. But the longer we delay, the more likely the user is to poweroff and lose the info. panic_timeout (seconds before rebooting) is set by panic= boot option or sysctl or /proc/sys/kernel/panic; but 0 means wait forever, so at present we have to delay at least 1 second. Let a negative number mean reboot immediately (with the small cosmetic benefit of suppressing that newline-less "Rebooting in %d seconds.." message). Signed-off-by: Hugh Dickins <hughd@chromium.org> Signed-off-by: Mandeep Singh Baines <msb@chromium.org> Cc: Huang Ying <ying.huang@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Hugh Dickins <hughd@google.com> Cc: Olaf Hering <olaf@aepfle.de> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: Dave Airlie <airlied@gmail.com> Cc: Greg Kroah-Hartman <gregkh@suse.de> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27Documentation/DMA-API-HOWTO.txt: fix misleading exampleMichal Miroslaw1-6/+6
See: DMA-API.txt, part Id, DMA_FROM_DEVICE description. Signed-off-by: Michal Miroslaw <mirq-linux@rere.qmqm.pl> Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27include/linux/dma-mapping.h: remove DMA_xxBIT_MASK macrosWANG Cong2-28/+0
git grep shows there are no users in tree, so we can remove them safely. Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com> Acked-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: Jiri Slaby <jslaby@suse.cz> Acked-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27gcov: disable CONSTRUCTORS for UMLVitaliy Ivanov1-1/+1
Selecting GCOV for UML causing configuration mismatch: warning: (GCOV_KERNEL) selects CONSTRUCTORS which has unmet direct dependencies (!UML) Constructors are not needed for UML. Signed-off-by: Vitaliy Ivanov <vitalivanov@gmail.com> Cc: Peter Oberparleiter <oberpar@linux.vnet.ibm.com> Acked-by: Richard Weinberger <richard@nod.at> Acked-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27drivers/edac/mpc85xx_edac.c: correct offset_in_page mask bits in ↵Kai.Jiang1-2/+2
edac_mc_handle_ce() Parameter offset_in_page in edac_mc_handle_ce() should mask the higher bits above the page size, not the lower bits. The original input sometimes causes a crash. Signed-off-by: Kai.Jiang <Kai.Jiang@freescale.com> Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com> Cc: Anton Vorontsov <avorontsov@mvista.com> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: "David S. Miller" <davem@davemloft.net> Cc: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27ipc: introduce shm_rmid_forced sysctlVasiliy Kulikov6-4/+163
Add support for the shm_rmid_forced sysctl. If set to 1, all shared memory objects in current ipc namespace will be automatically forced to use IPC_RMID. The POSIX way of handling shmem allows one to create shm objects and call shmdt(), leaving shm object associated with no process, thus consuming memory not counted via rlimits. With shm_rmid_forced=1 the shared memory object is counted at least for one process, so OOM killer may effectively kill the fat process holding the shared memory. It obviously breaks POSIX - some programs relying on the feature would stop working. So set shm_rmid_forced=1 only if you're sure nobody uses "orphaned" memory. Use shm_rmid_forced=0 by default for compatability reasons. The feature was previously impemented in -ow as a configure option. [akpm@linux-foundation.org: fix documentation, per Randy] [akpm@linux-foundation.org: fix warning] [akpm@linux-foundation.org: readability/conventionality tweaks] [akpm@linux-foundation.org: fix shm_rmid_forced/shm_forced_rmid confusion, use standard comment layout] Signed-off-by: Vasiliy Kulikov <segoon@openwall.com> Cc: Randy Dunlap <rdunlap@xenotime.net> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: "Serge E. Hallyn" <serge.hallyn@canonical.com> Cc: Daniel Lezcano <daniel.lezcano@free.fr> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Tejun Heo <tj@kernel.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Solar Designer <solar@openwall.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-27ipc/mqueue.c: fix mq_open() return valueJiri Slaby1-5/+7
We return ENOMEM from mqueue_get_inode even when we have enough memory. Namely in case the system rlimit of mqueue was reached. This error propagates to mq_queue and user sees the error unexpectedly. So fix this up to properly return EMFILE as described in the manpage: EMFILE The process already has the maximum number of files and message queues open. instead of: ENOMEM Insufficient memory. With the previous patch we just switch to ERR_PTR/PTR_ERR/IS_ERR error handling here. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Cc: Manfred Spraul <manfred@colorfullife.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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