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2014-01-09bcache: Bkey indexing renamingKent Overstreet7-53/+63
More refactoring: node() -> bset_bkey_idx() end() -> bset_bkey_last() Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2014-01-09bcache: Make bch_keylist_realloc() take u64s, not nptrsKent Overstreet4-16/+26
Getting away from KEY_PTRS and moving toward KEY_U64s - and getting rid of magic 2s Also - split out the part that checks against journal entry size so as to avoid a dependancy on struct cache_set in bset.c Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2014-01-09bcache: Remove/fix some header dependenciesKent Overstreet3-24/+26
In the process of disentagling/libraryizing bset.c from the rest of the bcache code. Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2014-01-09bcache: Use a mempool for mergesort temporary spaceKent Overstreet3-16/+8
It was a single element mempool before, it's slightly cleaner to just use a real mempool. Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2014-01-09bcache: Btree verify code improvementsKent Overstreet6-40/+83
Used this fixed code to find and fix the bug fixed by a4d885097b0ac0cd1337f171f2d4b83e946094d4. Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2014-01-09bcache: kill index()Kent Overstreet4-8/+24
That was a terrible name for a macro, add some better helpers to replace it. Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2014-01-09bcache: Trivial error handling fixKent Overstreet1-1/+2
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2014-01-09bcache/md: Use raid stripe sizeKent Overstreet4-0/+12
Now that we've got code for raid5/6 stripe awareness, bcache just needs to know about the stripes and when writing partial stripes is expensive - we probably don't want to enable this optimization for raid1 or 10, even though they have stripes. So add a flag to queue_limits. Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2014-01-09bcache: Do bkey_put() in btree_split() error pathKent Overstreet1-1/+4
This error path shouldn't have been hit in practice.. and we've got reworked reserve code coming soon so that it shouldn't _ever_ be bit... but if we've got code for this error path it should be correct. Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2014-01-09bcache: Rework allocator reservesKent Overstreet8-83/+105
We need a reserve for allocating buckets for new btree nodes - and now that we've got multiple btrees, it really needs to be per btree. This reworks the reserves so we've got separate freelists for each reserve instead of watermarks, which seems to make things a bit cleaner, and it adds some code so that btree_split() can make sure the reserve is available before it starts. Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2014-01-09bcache: kill closure locking codeKent Overstreet2-313/+123
Also flesh out the documentation a bit Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2014-01-09bcache: kill closure locking usageKent Overstreet7-55/+98
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2014-01-09bcache: Zero less memoryKent Overstreet3-40/+41
Another minor performance optimization Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2014-01-09bcache: Don't touch bucket gen for dirty ptrsKent Overstreet2-2/+7
Unnecessary since a bucket that has dirty pointers pointing to it can never be invalidated - and skipping it is a measurable performance boost, since the bucket gen will usually be a cache miss. Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2014-01-09bcache: Minor btree cache fixKent Overstreet1-7/+3
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2014-01-09bcache: Performance fix for when journal entry is fullKent Overstreet1-5/+9
We were unnecessarily waiting on a journal write to complete when we just needed to start a journal write and start setting up the next one. Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2014-01-09bcache: Minor journal fixKent Overstreet1-5/+14
The real fix is where we check the bytes we need against how much is remaining - we also need to check for a journal entry bigger than our buffer, we'll never write those and it would be bad if we tried to read one. Also improve the diagnostic messages. Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2014-01-09bcache: Data corruption fixKent Overstreet1-4/+22
The code that handles overlapping extents that we've just read back in from disk was depending on the behaviour of the code that handles overlapping extents as we're inserting into a btree node in the case of an insert that forced an existing extent to be split: on insert, if we had to split we'd also insert a new extent to represent the top part of the old extent - and then that new extent would get written out. The code that read the extents back in thus not bother with splitting extents - if it saw an extent that ovelapped in the middle of an older extent, it would trim the old extent to only represent the bottom part, assuming that the original insert would've inserted a new extent to represent the top part. I still haven't figured out _how_ it can happen, but I'm now pretty convinced (and testing has confirmed) that there's some kind of an obscure corner case (probably involving extent merging, and multiple overwrites in different sets) that breaks this. The fix is to change the mergesort fixup code to split extents itself when required. Signed-off-by: Kent Overstreet <kmo@daterainc.com> Cc: linux-stable <stable@vger.kernel.org> # >= v3.10
2014-01-08Merge branch 'for-3.14/core' into for-3.14/driversJens Axboe1314-7015/+15423
We need the updated code to make bcache easier to merge.
2014-01-03blk-mq: fix initializing request's start timeMing Lei1-0/+2
blk_rq_init() is called in req's complete handler to initialize the request, so the members of start_time and start_time_ns might become inaccurate when it is allocated in future. The patch initializes the two members in blk_mq_rq_ctx_init() to fix the problem. Signed-off-by: Ming Lei <tom.leiming@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2014-01-03pktcdvd: fix error return codeJulia Lawall1-1/+3
Set the return variable to an error code as done elsewhere in the function. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> ( if@p1 (\(ret < 0\|ret != 0\)) { ... return ret; } | ret@p1 = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-12-31block: blk-mq: don't export blk_mq_free_queue()Ming Lei4-2/+2
blk_mq_free_queue() is called from release handler of queue kobject, so it needn't be called from drivers. Cc: Jens Axboe <axboe@kernel.dk> Signed-off-by: Ming Lei <tom.leiming@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2013-12-31block: blk-mq: make blk_sync_queue support mqMing Lei2-2/+10
This patch moves synchronization on mq->delay_work from blk_mq_free_queue() to blk_sync_queue(), so that blk_sync_queue can work on mq. Cc: Jens Axboe <axboe@kernel.dk> Signed-off-by: Ming Lei <tom.leiming@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2013-12-31block: blk-mq: support draining mq queueMing Lei4-18/+40
blk_mq_drain_queue() is introduced so that we can drain mq queue inside blk_cleanup_queue(). Also don't accept new requests any more if queue is marked as dying. Cc: Jens Axboe <axboe@kernel.dk> Signed-off-by: Ming Lei <tom.leiming@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2013-12-31Merge tag 'v3.13-rc6' into for-3.14/coreJens Axboe1309-6993/+15369
Needed to bring blk-mq uptodate, since changes have been going in since for-3.14/core was established. Fixup merge issues related to the immutable biovec changes. Signed-off-by: Jens Axboe <axboe@kernel.dk> Conflicts: block/blk-flush.c fs/btrfs/check-integrity.c fs/btrfs/extent_io.c fs/btrfs/scrub.c fs/logfs/dev_bdev.c
2013-12-30Linux 3.13-rc6v3.13-rc6Linus Torvalds1-1/+1
2013-12-30Merge tag 'fixes-for-linus' of ↵Linus Torvalds8-10/+24
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "Another smallish batch of fixes, it's been quiet due to the holidays. Nothing controversial here, a handful of things across the board" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: pxa: fix USB gadget driver compilation regression ARM: OMAP2+: Fix LCD panel backlight regression for LDP legacy booting ARM: OMAP2+: hwmod_data: fix missing OMAP_INTC_START in irq data ARM: DRA7: hwmod: Fix boot crash with DEBUG_LL ARM: shmobile: r8a7790: fix shdi resource sizes ARM: shmobile: bockw: fixup DMA mask ARM: shmobile: armadillo: Add PWM backlight power supply
2013-12-30Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds7-7/+10
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Peter Anvin: "There is a small EFI fix and a big power regression fix in this batch. My queue also had a fix for downing a CPU when there are insufficient number of IRQ vectors available, but I'm holding that one for now due to recent bug reports" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/efi: Don't select EFI from certain special ACPI drivers x86 idle: Repair large-server 50-watt idle-power regression
2013-12-30Merge tag 'pm+acpi-3.13-rc6' of ↵Linus Torvalds5-34/+51
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI and power management fixes and new device IDs from Rafael Wysocki: - Fix for a cpufreq regression causing stale sysfs files to be left behind during system resume if cpufreq_add_dev() fails for one or more CPUs from Viresh Kumar. - Fix for a bug in cpufreq causing CONFIG_CPU_FREQ_DEFAULT_* to be ignored when the intel_pstate driver is used from Jason Baron. - System suspend fix for a memory leak in pm_vt_switch_unregister() that forgot to release objects after removing them from pm_vt_switch_list. From Masami Ichikawa. - Intel Valley View device ID and energy unit encoding update for the (recently added) Intel RAPL (Running Average Power Limit) driver from Jacob Pan. - Intel Bay Trail SoC GPIO and ACPI device IDs for the Low Power Subsystem (LPSS) ACPI driver from Paul Drews. * tag 'pm+acpi-3.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: powercap / RAPL: add support for ValleyView Soc PM / sleep: Fix memory leak in pm_vt_switch_unregister(). cpufreq: Use CONFIG_CPU_FREQ_DEFAULT_* to set initial policy for setpolicy drivers cpufreq: remove sysfs files for CPUs which failed to come back after resume ACPI: Add BayTrail SoC GPIO and LPSS ACPI IDs
2013-12-29Merge tag 'omap-for-v3.13/intc-ldp-fix' of ↵Olof Johansson217-1092/+2035
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes From Tony Lindgren: Fix a regression for wrong interrupt numbers for some devices after the sparse IRQ conversion, fix DRA7 console output for earlyprintk, and fix the LDP LCD backlight when DSS is built into the kernel and not as a loadable module. * tag 'omap-for-v3.13/intc-ldp-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP2+: Fix LCD panel backlight regression for LDP legacy booting ARM: OMAP2+: hwmod_data: fix missing OMAP_INTC_START in irq data ARM: DRA7: hwmod: Fix boot crash with DEBUG_LL + v3.13-rc5 Signed-off-by: Olof Johansson <olof@lixom.net>
2013-12-29Merge tag 'renesas-fixes2-for-v3.13' of ↵Olof Johansson3-3/+10
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes From Simon Horman: Second Round of Renesas ARM based SoC Fixes for v3.13 * r8a7790 (R-Car H2) based Lager board - Correct SHDI resource sizes This bug has been present since sdhi resources were added to the r8a7790 by 8c9b1aa41853272a ("ARM: shmobile: r8a7790: add MMCIF and SDHI DT templates") in v3.11-rc2. * r8a7778 (R-Car M1) based Bock-W board - Correct DMA mask This resolves a regression introduced by 4dcfa60071b3d23f ("ARM: DMA-API: better handing of DMA masks for coherent allocations") in v3.12-rc1. * r8a7740 (R-Mobile A1) based Armadillo board - Add PWM backlight power supply This resolves a regression introduced by 22ceeee16eb8f0d0 ("pwm-backlight: Add power supply support") in v3.12. * tag 'renesas-fixes2-for-v3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: shmobile: r8a7790: fix shdi resource sizes ARM: shmobile: bockw: fixup DMA mask ARM: shmobile: armadillo: Add PWM backlight power supply Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Olof Johansson <olof@lixom.net>
2013-12-29ARM: pxa: fix USB gadget driver compilation regressionLinus Walleij1-0/+2
After commit 88f718e3fa4d67f3a8dbe79a2f97d722323e4051 "ARM: pxa: delete the custom GPIO header" a compilation error was introduced in the PXA25x gadget driver. An attempt to fix the problem was made in commit b144e4ab1ef130e8bf30bcd3e529b7f35112c503 "usb: gadget: fix pxa25x compilation problems" by explictly stating the driver needs the <mach/hardware.h> header, which solved the compilation for a few boards, such as the pxa255-idp and its defconfig. However the Lubbock board has this special clause in drivers/usb/gadget/pxa25x_udc.c: This include file has an implicit dependency on <mach/irqs.h> having been included before <mach/lubbock.h> was included. Before commit 88f718e3fa4d67f3a8dbe79a2f97d722323e4051 "ARM: pxa: delete the custom GPIO header" this implicit dependency for the pxa25x_udc compile on the Lubbock was satisfied by <linux/gpio.h> implicitly including <mach/gpio.h> which was in turn including <mach/irqs.h>, apart from the earlier added <mach/hardware.h>. Fix this by having the PXA25x <mach/lubbock.h> explicitly include <mach/irqs.h>. Reported-by: Russell King <rmk+kernel@arm.linux.org.uk> Cc: Greg Kroah-Hartmann <gregkh@linuxfoundation.org> Cc: Felipe Balbi <balbi@ti.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com> Signed-off-by: Olof Johansson <olof@lixom.net>
2013-12-27Merge tag 'for-v3.13-rc/hwmod-fixes-b' of ↵Tony Lindgren3-6/+6
git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into debug-ll-and-ldp-backlight-fix A few OMAP hwmod fixes for v3.13-rc. One patch fixes some IRQ problems with GPMC, RNG, and ISP/IVA MMUs on OMAP2/3. The other fixes some problems with DEBUG_LL on DRA7xx. Basic build, boot, and PM test logs are available here: http://www.pwsan.com/omap/testlogs/hwmod_fixes_b_v3.13-rc/20131226021920/
2013-12-27ARM: OMAP2+: Fix LCD panel backlight regression for LDP legacy bootingTony Lindgren1-1/+6
Looks like the LCD panel on LDP has been broken quite a while, and recently got fixed by commit 0b2aa8bed3e1 (gpio: twl4030: Fix regression for twl gpio output). However, there's still an issue left where the panel backlight does not come on if the LCD drivers are built into the kernel. Fix the issue by registering the DPI LCD panel only after the twl4030 GPIO has probed. Reported-by: Russell King <rmk+kernel@arm.linux.org.uk> Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com> [tony@atomide.com: updated per Tomi's comments] Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-12-27Merge branches 'powercap' and 'acpi-lpss' with new device IDsRafael J. Wysocki3-2/+13
* powercap: powercap / RAPL: add support for ValleyView Soc * acpi-lpss: ACPI: Add BayTrail SoC GPIO and LPSS ACPI IDs
2013-12-27Merge branches 'pm-cpufreq' and 'pm-sleep' containing PM fixesRafael J. Wysocki2-32/+38
* pm-cpufreq: cpufreq: Use CONFIG_CPU_FREQ_DEFAULT_* to set initial policy for setpolicy drivers cpufreq: remove sysfs files for CPUs which failed to come back after resume * pm-sleep: PM / sleep: Fix memory leak in pm_vt_switch_unregister().
2013-12-26Merge tag 'ext4_for_linus' of ↵Linus Torvalds9-57/+93
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 Pull ext4 fixes from Ted Ts'o: "A collection of bug fixes destined for stable and some printk cleanups and a patch so that instead of BUG'ing we use the ext4_error() framework to mark the file system is corrupted" * tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: add explicit casts when masking cluster sizes ext4: fix deadlock when writing in ENOSPC conditions jbd2: rename obsoleted msg JBD->JBD2 jbd2: revise KERN_EMERG error messages jbd2: don't BUG but return ENOSPC if a handle runs out of space ext4: Do not reserve clusters when fs doesn't support extents ext4: fix del_timer() misuse for ->s_err_report ext4: check for overlapping extents in ext4_valid_extent_entries() ext4: fix use-after-free in ext4_mb_new_blocks ext4: call ext4_error_inode() if jbd2_journal_dirty_metadata() fails
2013-12-26ARM: OMAP2+: hwmod_data: fix missing OMAP_INTC_START in irq dataSuman Anna2-5/+5
Commit 7d7e1eb (ARM: OMAP2+: Prepare for irqs.h removal) and commit ec2c082 (ARM: OMAP2+: Remove hardcoded IRQs and enable SPARSE_IRQ) updated the way interrupts for OMAP2/3 devices are defined in the HWMOD data structures to being an index plus a fixed offset (defined by OMAP_INTC_START). Couple of irqs in the OMAP2/3 hwmod data were misconfigured completely as they were missing this OMAP_INTC_START relative offset. Add this offset back to fix the incorrect irq data for the following modules: OMAP2 - GPMC, RNG OMAP3 - GPMC, ISP MMU & IVA MMU Signed-off-by: Suman Anna <s-anna@ti.com> Fixes: 7d7e1eba7e92 ("ARM: OMAP2+: Prepare for irqs.h removal") Fixes: ec2c0825ca31 ("ARM: OMAP2+: Remove hardcoded IRQs and enable SPARSE_IRQ") Cc: Tony Lindgren <tony@atomide.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-12-26ARM: DRA7: hwmod: Fix boot crash with DEBUG_LLRajendra Nayak1-1/+1
With commit '7dedd34: ARM: OMAP2+: hwmod: Fix a crash in _setup_reset() with DEBUG_LL' we moved from parsing cmdline to identify uart used for earlycon to using the requsite hwmod CONFIG_DEBUG_OMAPxUARTy FLAGS. On DRA7 though, we seem to be missing this flag, and atleast on the DRA7 EVM where we use uart1 for console, boot fails with DEBUG_LL enabled. Reported-by: Lokesh Vutla <lokeshvutla@ti.com> Tested-by: Lokesh Vutla <lokeshvutla@ti.com> # on a different base Signed-off-by: Rajendra Nayak <rnayak@ti.com> Fixes: 7dedd346941d ("ARM: OMAP2+: hwmod: Fix a crash in _setup_reset() with DEBUG_LL") Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-12-24Merge branch 'for-linus' of git://git.kernel.dk/linux-blockLinus Torvalds13-94/+274
Pull block fixes from Jens Axboe: - fix for a memory leak on certain unplug events - a collection of bcache fixes from Kent and Nicolas - a few null_blk fixes and updates form Matias - a marking of static of functions in the stec pci-e driver * 'for-linus' of git://git.kernel.dk/linux-block: null_blk: support submit_queues on use_per_node_hctx null_blk: set use_per_node_hctx param to false null_blk: corrections to documentation null_blk: warning on ignored submit_queues param null_blk: refactor init and init errors code paths null_blk: documentation null_blk: mem garbage on NUMA systems during init drivers: block: Mark the functions as static in skd_main.c bcache: New writeback PD controller bcache: bugfix for race between moving_gc and bucket_invalidate bcache: fix for gc and writeback race bcache: bugfix - moving_gc now moves only correct buckets bcache: fix for gc crashing when no sectors are used bcache: Fix heap_peek() macro bcache: Fix for can_attach_cache() bcache: Fix dirty_data accounting bcache: Use uninterruptible sleep in writeback bcache: kthread don't set writeback task to INTERUPTIBLE block: fix memory leaks on unplugging block device bcache: fix sparse non static symbol warning
2013-12-24Merge branch 'for-3.13-fixes' of ↵Linus Torvalds1-18/+32
git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup fixes from Tejun Heo: "Two fixes. One fixes a bug in the error path of cgroup_create(). The other changes cgrp->id lifetime rule so that the id doesn't get recycled before all controller states are destroyed. This premature id recycling made memcg malfunction" * 'for-3.13-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cgroup: don't recycle cgroup id until all csses' have been destroyed cgroup: fix cgroup_create() error handling path
2013-12-24Merge branch 'for-3.13-fixes' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu Pull percpu fix from Tejun Heo: "A single commit to fix a spurious sparse warning coming from DEFINE_PER_CPU()'s hack to support the use of weak symbols. Shouldn't cause observable behavior change" * 'for-3.13-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: percpu: fix spurious sparse warnings from DEFINE_PER_CPU()
2013-12-24Merge branch 'for-3.13-fixes' of ↵Linus Torvalds7-12/+58
git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata Pull libata fixes from Tejun Heo: "There's one interseting commit - "libata, freezer: avoid block device removal while system is frozen". It's an ugly hack working around a deadlock condition between driver core resume and block layer device removal paths through freezer which was made more reproducible by writeback being converted to workqueue some releases ago. The bug has nothing to do with libata but it's just an workaround which is easy to backport. After discussion, Rafael and I seem to agree that we don't really need kernel freezables - both kthread and workqueue. There are few specific workqueues which constitute PM operations and require freezing, which will be converted to use workqueue_set_max_active() instead. All other kernel freezer uses are planned to be removed, followed by the removal of kthread and workqueue freezer support, hopefully. Others are device-specific fixes. The most notable is the addition of NO_NCQ_TRIM which is used to disable queued TRIM commands to Micro M500 SSDs which otherwise suffers data corruption" * 'for-3.13-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: libata, freezer: avoid block device removal while system is frozen libata: implement ATA_HORKAGE_NO_NCQ_TRIM and apply it to Micro M500 SSDs libata: disable a disk via libata.force params ahci: bail out on ICH6 before using AHCI BAR ahci: imx: Explicitly clear IMX6Q_GPR13_SATA_MPLL_CLK_EN libata: add ATA_HORKAGE_BROKEN_FPDMA_AA quirk for Seagate Momentus SpinPoint M8
2013-12-24auxvec.h: account for AT_HWCAP2 in AT_VECTOR_SIZE_BASEArd Biesheuvel1-1/+1
Commit 2171364d1a92 ("powerpc: Add HWCAP2 aux entry") introduced a new AT_ auxv entry type AT_HWCAP2 but failed to update AT_VECTOR_SIZE_BASE accordingly. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Fixes: 2171364d1a92 (powerpc: Add HWCAP2 aux entry) Cc: stable@vger.kernel.org Acked-by: Michael Neuling <michael@neuling.org> Cc: Nishanth Aravamudan <nacc@linux.vnet.ibm.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-12-24Merge branch 'for-linus' of ↵Linus Torvalds1-3/+5
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security Pull SELinux fixes from James Morris. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: selinux: selinux_setprocattr()->ptrace_parent() needs rcu_read_lock() selinux: fix broken peer recv check
2013-12-24Merge branch 'for_linus' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs Pull ext2 fix from Jan Kara: "One simple fix of oops in ext2 which was recently hit by Christoph" * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: ext2: Fix oops in ext2_get_block() called from ext2_quota_write()
2013-12-24Merge tag 'rdma-for-linus' of ↵Linus Torvalds6-16/+53
git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband Pull infiniband fixes from Roland Dreier: "Last batch of InfiniBand/RDMA changes for 3.13 / 2014: - Additional checks for uverbs to ensure forward compatibility, handle malformed input better. - Fix potential use-after-free in iWARP connection manager. - Make a function static" * tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: IB/uverbs: Check access to userspace response buffer in extended command IB/uverbs: Check input length in flow steering uverbs IB/uverbs: Set error code when fail to consume all flow_spec items IB/uverbs: Check reserved fields in create_flow IB/uverbs: Check comp_mask in destroy_flow IB/uverbs: Check reserved field in extended command header IB/uverbs: New macro to set pointers to NULL if length is 0 in INIT_UDATA() IB/core: const'ify inbuf in struct ib_udata RDMA/iwcm: Don't touch cm_id after deref in rem_ref RDMA/cxgb4: Make _c4iw_write_mem_dma() static
2013-12-24selinux: selinux_setprocattr()->ptrace_parent() needs rcu_read_lock()Oleg Nesterov1-2/+2
selinux_setprocattr() does ptrace_parent(p) under task_lock(p), but task_struct->alloc_lock doesn't pin ->parent or ->ptrace, this looks confusing and triggers the "suspicious RCU usage" warning because ptrace_parent() does rcu_dereference_check(). And in theory this is wrong, spin_lock()->preempt_disable() doesn't necessarily imply rcu_read_lock() we need to access the ->parent. Reported-by: Evan McNabb <emcnabb@redhat.com> Signed-off-by: Oleg Nesterov <oleg@redhat.com> Cc: stable@vger.kernel.org Signed-off-by: Paul Moore <pmoore@redhat.com>
2013-12-24selinux: fix broken peer recv checkChad Hanson1-1/+3
Fix a broken networking check. Return an error if peer recv fails. If secmark is active and the packet recv succeeds the peer recv error is ignored. Signed-off-by: Chad Hanson <chanson@trustedcs.com> Cc: stable@vger.kernel.org Signed-off-by: Paul Moore <pmoore@redhat.com>
2013-12-23Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds11-34/+93
Pull drm fixes from Dave Airlie: "Xmas fixes pull, all small nothing major, intel, radeon, one ttm regression, and one build fix" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/ttm: Fix swapin regression gpu: fix qxl missing crc32_le drm/radeon: fix asic gfx values for scrapper asics drm/i915: Use the correct GMCH_CTRL register for Sandybridge+ drm/radeon: check for 0 count in speaker allocation and SAD code drm/radeon/dpm: disable ss on Cayman drm/radeon/dce6: set correct number of audio pins drm/i915: get a PC8 reference when enabling the power well drm/i915: change CRTC assertion on LCPLL disable drm/i915: Fix erroneous dereference of batch_obj inside reset_status drm/i915: Prevent double unref following alloc failure during execbuffer
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