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384703b Linus Torvalds 17 December 2011, 02:36:26 UTC Linux 3.2-rc6 17 December 2011, 02:36:26 UTC
ed4a518 Linus Torvalds 16 December 2011, 20:58:39 UTC Revert "drm/i915: fix infinite recursion on unbind due to ilk vt-d w/a" This reverts commit eb1711bb94991e93669c5a1b5f84f11be2d51ea1. It blows up the i915 seqno tracking, resulting in the BUG_ON(seqno == 0); in i915_wait_request() triggering, which will cause lock-ups. See for example https://bugs.launchpad.net/ubuntu/+source/linux/+bug/903010 https://lkml.org/lkml/2011/12/14/395 Reported-requested-and-tested-by: Dirk Hohndel <dirk@hohndel.org> Reported-by: Richard Eames <Richard.Eames@flinders.edu.au> Reported-by: Rocko Requin <rockorequin@hotmail.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Dave Airlie <airlied@redhat.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Keith Packard <keithp@keithp.com> Cc: Eric Anholt <eric@anholt.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 16 December 2011, 20:58:39 UTC
64b3dcc Linus Torvalds 16 December 2011, 20:26:26 UTC Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: sparc32: Be less strict in matching %lo part of relocation. sbus: convert drivers/sbus/char/* to use module_platform_driver() bbc_i2c: Remove unneeded err variable sparc: Use kmemdup rather than duplicating its implementation 16 December 2011, 20:26:26 UTC
24545cf Linus Torvalds 16 December 2011, 20:17:32 UTC Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: ipv6: Check dest prefix length on original route not copied one in rt6_alloc_cow(). sch_gred: should not use GFP_KERNEL while holding a spinlock ipip, sit: copy parms.name after register_netdevice ipv6: Fix for adding multicast route for loopback device automatically. ssb: fix init regression with SoCs rtl8192{ce,cu,de,se}: avoid problems because of possible ERFOFF -> ERFSLEEP transition mac80211: fix another race in aggregation start fsl_pq_mdio: Clean up tbi address configuration ppp: fix pptp double release_sock in pptp_bind() net/fec: fix the use of pdev->id ath9k: fix check for antenna diversity support batman-adv: delete global entry in case of roaming batman-adv: in case of roaming mark the client with TT_CLIENT_ROAM Bluetooth: Correct version check in hci_setup btusb: fix a memory leak in btusb_send_frame() Bluetooth: bnep: Fix module reference Bluetooth: cmtp: Fix module reference Bluetooth: btmrvl: support Marvell Bluetooth device SD8797 16 December 2011, 20:17:32 UTC
c9a7fe9 Linus Torvalds 16 December 2011, 20:15:50 UTC Merge branches 'for-linus' and 'for-linus-3.2' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: Btrfs: unplug every once and a while Btrfs: deal with NULL srv_rsv in the delalloc inode reservation code Btrfs: only set cache_generation if we setup the block group Btrfs: don't panic if orphan item already exists Btrfs: fix leaked space in truncate Btrfs: fix how we do delalloc reservations and how we free reservations on error Btrfs: deal with enospc from dirtying inodes properly Btrfs: fix num_workers_starting bug and other bugs in async thread BTRFS: Establish i_ops before calling d_instantiate Btrfs: add a cond_resched() into the worker loop Btrfs: fix ctime update of on-disk inode btrfs: keep orphans for subvolume deletion Btrfs: fix inaccurate available space on raid0 profile Btrfs: fix wrong disk space information of the files Btrfs: fix wrong i_size when truncating a file to a larger size Btrfs: fix btrfs_end_bio to deal with write errors to a single mirror * 'for-linus-3.2' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: btrfs: lower the dirty balance poll interval 16 December 2011, 20:15:50 UTC
2cfab8d Linus Torvalds 16 December 2011, 19:27:56 UTC Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~keithp/linux * 'drm-intel-fixes' of git://people.freedesktop.org/~keithp/linux: drm/i915/dp: Dither down to 6bpc if it makes the mode fit drm/i915: enable semaphores on per-device defaults drm/i915: don't set unpin_work if vblank_get fails drm/i915: By default, enable RC6 on IVB and SNB when reasonable iommu: Export intel_iommu_enabled to signal when iommu is in use drm/i915/sdvo: Include LVDS panels for the IS_DIGITAL check drm/i915: prevent division by zero when asking for chipset power drm/i915: add PCH info to i915_capabilities drm/i915: set the right SDVO transcoder for CPT drm/i915: no-lvds quirk for ASUS AT5NM10T-I drm/i915: Treat pre-gen4 backlight duty cycle value consistently drm/i915: Hook up Ivybridge eDP drm/i915: add multi-threaded forcewake support 16 December 2011, 19:27:56 UTC
5885b9b Linus Torvalds 16 December 2011, 19:14:42 UTC Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: HDA: Use LPIB Position fix for Intel SCH Poulsbo ALSA: hda: fix mute led polarity for HP laptops with buggy BIOS ALSA: HDA: Set position fix to LPIB for an Atom/Poulsbo based device ASoC: Fix hx4700 error handling to free gpios if snd_soc_register_card fails ASoC: WM8958: correctly show firmware magic on mismatch ASoC: mxs: Add appropriate MODULE_ALIAS() ASoC: mxs: Add missing MODULE_LICENSE("GPL") ASoC: Fix WM8996 24.576MHz clock operation ASoC: Include linux/module.h for smdk2443_wm9710 ASoC: Fix a typo in jive_wm8750 ASoC: Fix build dependency for SND_SOC_JZ4740_CODEC ASoC: Include linux/io.h for jz4740 codec 16 December 2011, 19:14:42 UTC
1c5ff0f Linus Torvalds 16 December 2011, 19:13:49 UTC Merge branch 'gpio/merge' of git://git.secretlab.ca/git/linux-2.6 * 'gpio/merge' of git://git.secretlab.ca/git/linux-2.6: gpio: Fix DA9052 GPIO build errors. gpio: mpc8xxx: don't allow input-only pins to be output for MPC5121 gpio-ml-ioh: Add the irq_disable/irq_enable hooks for ml-ioh irq chip gpio-ml-ioh: fix a bug in the interrupt handler gpio: pl061: drop extra check for NULL platform_data 16 December 2011, 19:13:49 UTC
3f5fcf6 Linus Torvalds 16 December 2011, 18:07:50 UTC Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: OMAP: rx51: fix USB ARM: OMAP: mcbsp: Fix possible memory corruption arm/imx: fix power button on imx51 babbage board ARM: imx: fix cpufreq build errors ARM: mx5: add __initconst for fec pdata MXC PWM: should active during DOZE/WAIT/DBG mode ARM: EXYNOS: Fix build error without CONFIG_LOCAL_TIMERS ARM: EXYNOS: Fix for stall in case of cpu hotplug or sleep ARM: S5PV210: Set 1000ns as PWM backlight period on SMDKV210 ARM: SAMSUNG: remove duplicated header include 16 December 2011, 18:07:50 UTC
b0d78ee Linus Torvalds 16 December 2011, 18:05:14 UTC Merge branch 'for-linus' of git://git.kernel.dk/linux-block * 'for-linus' of git://git.kernel.dk/linux-block: block: don't kick empty queue in blk_drain_queue() block/swim3: Locking fixes loop: Fix discard_alignment default setting cfq-iosched: fix cfq_cic_link() race confition cfq-iosched: free cic_index if blkio_alloc_blkg_stats fails cciss: fix flush cache transfer length cciss: Add IRQF_SHARED back in for the non-MSI(X) interrupt handler loop: fix loop block driver discard and encryption comment block: initialize request_queue's numa node during 16 December 2011, 18:05:14 UTC
142349f Wu Fengguang 16 December 2011, 17:32:57 UTC btrfs: lower the dirty balance poll interval Tests show that the original large intervals can easily make the dirty limit exceeded on 100 concurrent dd's. So adapt to as large as the next check point selected by the dirty throttling algorithm. Signed-off-by: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Chris Mason <chris.mason@oracle.com> 16 December 2011, 17:32:57 UTC
3b5c78a Adam Jackson 13 December 2011, 23:41:00 UTC drm/i915/dp: Dither down to 6bpc if it makes the mode fit Some active adaptors (VGA usually) only have two lanes at 2.7GHz. That's a maximum pixel clock of 144MHz at 8bpc, but 192MHz at 6bpc. Fixes Asus UX31 panel being black at startup due to no valid modes since dc22ee6fc18ce0f15424e753e8473c306ece95c1. v2: Rebased to current code, resulting in the fix applying to EDP panels as well. Also changed from spatio-temporal to just spatial dithering on pre-ironlake, to be conssitent (and less visual flicker) Signed-off-by: Adam Jackson <ajax@redhat.com> Signed-off-by: Eric Anholt <eric@anholt.net> Tested-by: Eric Anholt <eric@anholt.net> Tested-by: Dirk Hohndel <hohndel@infradead.org> Signed-off-by: Keith Packard <keithp@keithp.com> 16 December 2011, 16:49:59 UTC
f45b555 Eugeni Dodonov 10 December 2011, 01:16:37 UTC drm/i915: enable semaphores on per-device defaults This adds a default setting for semaphores parameter, and enables semaphores by default on IVB. For now, as semaphores interaction with VTd causes random issues on SNB, we do not enable them by default. But they can still be enabled via the semaphores=1 kernel parameter. v2: enables semaphores on SNB when IO remapping is disabled, with base on Keith Packard patch. CC: Daniel Vetter <daniel.vetter@ffwll.ch> CC: Ben Widawsky <ben@bwidawsk.net> CC: Keith Packard <keithp@keithp.com> CC: Jesse Barnes <jbarnes@virtuousgeek.org> CC: Chris Wilson <chris@chris-wilson.co.uk> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=42696 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=40564 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=41353 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=38862 Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com> Signed-off-by: Keith Packard <keithp@keithp.com> 16 December 2011, 16:49:59 UTC
7317c75 Jesse Barnes 29 August 2011, 16:45:28 UTC drm/i915: don't set unpin_work if vblank_get fails This fixes a race where we may try to finish a page flip and decrement the refcount even if our vblank_get failed and we ended up with a spurious flip pending interrupt. Fixes https://bugs.freedesktop.org/show_bug.cgi?id=34211. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Keith Packard <keithp@keithp.com> 16 December 2011, 16:49:58 UTC
c0f372b Keith Packard 17 November 2011, 06:24:52 UTC drm/i915: By default, enable RC6 on IVB and SNB when reasonable RC6 should always work on IVB, and should work on SNB whenever IO remapping is disabled. RC6 never works on Ironlake. Make the default value for the parameter follow these guidelines. Setting the value to either 0 or 1 will force the specified behavior. Signed-off-by: Keith Packard <keithp@keithp.com> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=38567 Cc: Ted Phelps <phelps@gnusto.com> Cc: Peter <pab1612@gmail.com> Cc: Lukas Hejtmanek <xhejtman@fi.muni.cz> Cc: Andrew Lutomirski <luto@mit.edu> 16 December 2011, 16:49:58 UTC
8bc1f85 Eugeni Dodonov 23 November 2011, 18:42:14 UTC iommu: Export intel_iommu_enabled to signal when iommu is in use In i915 driver, we do not enable either rc6 or semaphores on SNB when dmar is enabled. The new 'intel_iommu_enabled' variable signals when the iommu code is in operation. Cc: Ted Phelps <phelps@gnusto.com> Cc: Peter <pab1612@gmail.com> Cc: Lukas Hejtmanek <xhejtman@fi.muni.cz> Cc: Andrew Lutomirski <luto@mit.edu> CC: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Eugeni Dodonov <eugeni.dodonov@intel.com> Signed-off-by: Keith Packard <keithp@keithp.com> 16 December 2011, 16:49:57 UTC
5222008 Chris Wilson 20 June 2011, 13:45:50 UTC drm/i915/sdvo: Include LVDS panels for the IS_DIGITAL check We were checking whether the supplied edid matched the connector it was read from. We do this in case a DDC read returns an EDID for another device on a multifunction or otherwise interesting card. However, we failed to include LVDS as a digital device and so rejecting an otherwise valid EDID. Fixes the detection of the secondary SDVO LVDS panel on the Libretto W105. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Adam Jackson <ajax@redhat.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=39216 Signed-off-by: Keith Packard <keithp@keithp.com> 16 December 2011, 16:49:56 UTC
4ed0b57 Eugeni Dodonov 10 November 2011, 15:55:15 UTC drm/i915: prevent division by zero when asking for chipset power This prevents an in-kernel division by zero which happens when we are asking for i915_chipset_val too quickly, or within a race condition between the power monitoring thread and userspace accesses via debugfs. The issue can be reproduced easily via the following command: while ``; do cat /sys/kernel/debug/dri/0/i915_emon_status; done This is particularly dangerous because it can be triggered by a non-privileged user by just reading the debugfs entry. This issue was also found independently by Konstantin Belousov <kostikbel@gmail.com>, who proposed a similar patch. Reported-by: Konstantin Belousov <kostikbel@gmail.com> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Acked-by: Keith Packard <keithp@keithp.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: <stable@vger.kernel.org> Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com> Signed-off-by: Keith Packard <keithp@keithp.com> 16 December 2011, 16:49:56 UTC
03d00ac Paulo Zanoni 14 October 2011, 21:17:41 UTC drm/i915: add PCH info to i915_capabilities Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Keith Packard <keithp@keithp.com> 16 December 2011, 16:49:55 UTC
3573c41 Paulo Zanoni 14 October 2011, 21:16:22 UTC drm/i915: set the right SDVO transcoder for CPT v2: add a CPT-specific macro, make code cleaner v3: fix commit message Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=41272 Cc: stable@kernel.org Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Keith Packard <keithp@keithp.com> 16 December 2011, 16:49:55 UTC
0999bbe Adam Jackson 28 November 2011, 17:22:56 UTC drm/i915: no-lvds quirk for ASUS AT5NM10T-I https://bugzilla.redhat.com/show_bug.cgi?id=750006 Signed-off-by: Adam Jackson <ajax@redhat.com> Signed-off-by: Keith Packard <keithp@keithp.com> 16 December 2011, 16:49:54 UTC
98bf55c Olof Johansson 16 December 2011, 07:34:17 UTC Merge branch 'samsung-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes 16 December 2011, 07:34:17 UTC
8a5f0f8 Olof Johansson 16 December 2011, 04:58:37 UTC Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes 16 December 2011, 04:58:37 UTC
6f12d2e Linus Torvalds 15 December 2011, 22:16:47 UTC Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft * 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft: ibft: Fix finding IBFT ACPI table on UEFI 15 December 2011, 22:16:47 UTC
88703f2 Linus Torvalds 15 December 2011, 22:15:01 UTC Merge branch 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging * 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: r8712u: Add new USB ID staging: tidspbridge: request dmtimer clocks on init staging: tidspbridge: include module.h by default 15 December 2011, 22:15:01 UTC
f242bbc Linus Torvalds 15 December 2011, 22:14:41 UTC Merge branch 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb * 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: USB: option: Removing one bogus and adding some new Huawei combinations USB: cdc-acm: add IDs for Motorola H24 HSPA USB module. usb: option: Add Huawei E398 controlling interfaces usb: renesas_usbhs: add hcd->has_tt for low/full speed usb: renesas_usbhs: typofix: irq_dtch control DTCHE usb: gadget: storage: release superspeed descriptors. 15 December 2011, 22:14:41 UTC
ddf5a25 Uwe Kleine-König 15 December 2011, 20:47:56 UTC ARM: unwinder: fix bisection to find origin in .idx section The bisection implemented in unwind_find_origin() stopped to early. If there is only a single entry left to check the original code just took the end point as origin which might be wrong. This was introduced in commit de66a979012d ("ARM: 7187/1: fix unwinding for XIP kernels"). Reported-and-tested-by: Nick Bowler <nbowler@elliptictech.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 15 December 2011, 22:02:19 UTC
d85c8a6 Chris Mason 15 December 2011, 20:38:41 UTC Btrfs: unplug every once and a while The btrfs io submission threads can build up massive plug lists. This keeps things more reasonable so we don't hand over huge dumps of IO at once. Signed-off-by: Chris Mason <chris.mason@oracle.com> 15 December 2011, 20:38:41 UTC
4eabc94 Tejun Heo 15 December 2011, 19:03:04 UTC block: don't kick empty queue in blk_drain_queue() While probing, fd sets up queue, probes hardware and tears down the queue if probing fails. In the process, blk_drain_queue() kicks the queue which failed to finish initialization and fd is unhappy about that. floppy0: no floppy controllers found ------------[ cut here ]------------ WARNING: at drivers/block/floppy.c:2929 do_fd_request+0xbf/0xd0() Hardware name: To Be Filled By O.E.M. VFS: do_fd_request called on non-open device Modules linked in: Pid: 1, comm: swapper Not tainted 3.2.0-rc4-00077-g5983fe2 #2 Call Trace: [<ffffffff81039a6a>] warn_slowpath_common+0x7a/0xb0 [<ffffffff81039b41>] warn_slowpath_fmt+0x41/0x50 [<ffffffff813d657f>] do_fd_request+0xbf/0xd0 [<ffffffff81322b95>] blk_drain_queue+0x65/0x80 [<ffffffff81322c93>] blk_cleanup_queue+0xe3/0x1a0 [<ffffffff818a809d>] floppy_init+0xdeb/0xe28 [<ffffffff818a72b2>] ? daring+0x6b/0x6b [<ffffffff810002af>] do_one_initcall+0x3f/0x170 [<ffffffff81884b34>] kernel_init+0x9d/0x11e [<ffffffff810317c2>] ? schedule_tail+0x22/0xa0 [<ffffffff815dbb14>] kernel_thread_helper+0x4/0x10 [<ffffffff81884a97>] ? start_kernel+0x2be/0x2be [<ffffffff815dbb10>] ? gs_change+0xb/0xb Avoid it by making blk_drain_queue() kick queue iff dispatch queue has something on it. Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: Ralf Hildebrandt <Ralf.Hildebrandt@charite.de> Reported-by: Wu Fengguang <fengguang.wu@intel.com> Tested-by: Sergei Trofimovich <slyich@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> 15 December 2011, 19:03:04 UTC
42ebfc6 Linus Torvalds 15 December 2011, 18:52:40 UTC Merge branch 'stable/for-linus-fixes-3.2' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen * 'stable/for-linus-fixes-3.2' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xen/swiotlb: Use page alignment for early buffer allocation. xen: only limit memory map to maximum reservation for domain 0. 15 December 2011, 18:52:40 UTC
567a45e Chris Mason 15 December 2011, 18:43:49 UTC Merge branch 'for-chris' of http://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-work into integration Conflicts: fs/btrfs/inode.c Signed-off-by: Chris Mason <chris.mason@oracle.com> 15 December 2011, 18:43:49 UTC
e755d9a Chris Mason 15 December 2011, 18:36:29 UTC Btrfs: deal with NULL srv_rsv in the delalloc inode reservation code btrfs_update_inode is sometimes called with a null reservation. Signed-off-by: Chris Mason <chris.mason@oracle.com> 15 December 2011, 18:36:29 UTC
87b9b0e Ashish Jangam 15 December 2011, 09:25:46 UTC gpio: Fix DA9052 GPIO build errors. This patch is functionally tested on Samsung SMDKV6410. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David Dajun Chen <dchen@diasemi.com> Signed-off-by: Ashish Jangam <ashish.jangam@kpitcummins.com> [grant.likely: don't create an unnecessary header file] Signed-off-by: Grant Likely <grant.likely@secretlab.ca> 15 December 2011, 18:25:43 UTC
63a7417 Konrad Rzeszutek Wilk 15 December 2011, 16:28:46 UTC xen/swiotlb: Use page alignment for early buffer allocation. This fixes an odd bug found on a Dell PowerEdge 1850/0RC130 (BIOS A05 01/09/2006) where all of the modules doing pci_set_dma_mask would fail with: ata_piix 0000:00:1f.1: enabling device (0005 -> 0007) ata_piix 0000:00:1f.1: can't derive routing for PCI INT A ata_piix 0000:00:1f.1: BMDMA: failed to set dma mask, falling back to PIO The issue was the Xen-SWIOTLB was allocated such as that the end of buffer was stradling a page (and also above 4GB). The fix was spotted by Kalev Leonid which was to piggyback on git commit e79f86b2ef9c0a8c47225217c1018b7d3d90101c "swiotlb: Use page alignment for early buffer allocation" which: We could call free_bootmem_late() if swiotlb is not used, and it will shrink to page alignment. So alloc them with page alignment at first, to avoid lose two pages And doing that fixes the outstanding issue. CC: stable@kernel.org Suggested-by: "Kalev, Leonid" <Leonid.Kalev@ca.com> Reported-and-Tested-by: "Taylor, Neal E" <Neal.Taylor@ca.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 15 December 2011, 16:28:46 UTC
d3db728 Ian Campbell 14 December 2011, 12:16:08 UTC xen: only limit memory map to maximum reservation for domain 0. d312ae878b6a "xen: use maximum reservation to limit amount of usable RAM" clamped the total amount of RAM to the current maximum reservation. This is correct for dom0 but is not correct for guest domains. In order to boot a guest "pre-ballooned" (e.g. with memory=1G but maxmem=2G) in order to allow for future memory expansion the guest must derive max_pfn from the e820 provided by the toolstack and not the current maximum reservation (which can reflect only the current maximum, not the guest lifetime max). The existing algorithm already behaves this correctly if we do not artificially limit the maximum number of pages for the guest case. For a guest booted with maxmem=512, memory=128 this results in: [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] Xen: 0000000000000000 - 00000000000a0000 (usable) [ 0.000000] Xen: 00000000000a0000 - 0000000000100000 (reserved) -[ 0.000000] Xen: 0000000000100000 - 0000000008100000 (usable) -[ 0.000000] Xen: 0000000008100000 - 0000000020800000 (unusable) +[ 0.000000] Xen: 0000000000100000 - 0000000020800000 (usable) ... [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] DMI not present or invalid. [ 0.000000] e820 update range: 0000000000000000 - 0000000000010000 (usable) ==> (reserved) [ 0.000000] e820 remove range: 00000000000a0000 - 0000000000100000 (usable) -[ 0.000000] last_pfn = 0x8100 max_arch_pfn = 0x1000000 +[ 0.000000] last_pfn = 0x20800 max_arch_pfn = 0x1000000 [ 0.000000] initial memory mapped : 0 - 027ff000 [ 0.000000] Base memory trampoline at [c009f000] 9f000 size 4096 -[ 0.000000] init_memory_mapping: 0000000000000000-0000000008100000 -[ 0.000000] 0000000000 - 0008100000 page 4k -[ 0.000000] kernel direct mapping tables up to 8100000 @ 27bb000-27ff000 +[ 0.000000] init_memory_mapping: 0000000000000000-0000000020800000 +[ 0.000000] 0000000000 - 0020800000 page 4k +[ 0.000000] kernel direct mapping tables up to 20800000 @ 26f8000-27ff000 [ 0.000000] xen: setting RW the range 27e8000 - 27ff000 [ 0.000000] 0MB HIGHMEM available. -[ 0.000000] 129MB LOWMEM available. -[ 0.000000] mapped low ram: 0 - 08100000 -[ 0.000000] low ram: 0 - 08100000 +[ 0.000000] 520MB LOWMEM available. +[ 0.000000] mapped low ram: 0 - 20800000 +[ 0.000000] low ram: 0 - 20800000 With this change "xl mem-set <domain> 512M" will successfully increase the guest RAM (by reducing the balloon). There is no change for dom0. Reported-and-Tested-by: George Shuklin <george.shuklin@gmail.com> Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Cc: stable@kernel.org Reviewed-by: David Vrabel <david.vrabel@citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 15 December 2011, 16:24:02 UTC
e65cbb9 Josef Bacik 13 December 2011, 21:04:54 UTC Btrfs: only set cache_generation if we setup the block group A user reported a problem booting into a new kernel with the old format inodes. He was panicing in cow_file_range while writing out the inode cache. This is because if the block group is not cached we'll just skip writing out the cache, however if it gets dirtied again in the same transaction and it finished caching we'd go ahead and write it out, but since we set cache_generation to the transid we think we've already truncated it and will just carry on, running into cow_file_range and blowing up. We need to make sure we only set cache_generation if we've done the truncate. The user tested this patch and verified that the panic no longer occured. Thanks, Reported-and-Tested-by: Klaus Bitto <klaus.bitto@gmail.com> Signed-off-by: Josef Bacik <josef@redhat.com> 15 December 2011, 16:04:24 UTC
ee4d89f Josef Bacik 13 December 2011, 17:55:58 UTC Btrfs: don't panic if orphan item already exists I've been hitting this BUG_ON() in btrfs_orphan_add when running xfstest 269 in a loop. This is because we will add an orphan item, do the truncate, the truncate will fail for whatever reason (*cough*ENOSPC*cough*) and then we're left with an orphan item still in the fs. Then we come back later to do another truncate and it blows up because we already have an orphan item. This is ok so just fix the BUG_ON() to only BUG() if ret is not EEXIST. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com> 15 December 2011, 16:04:24 UTC
7041ee9 Josef Bacik 09 December 2011, 18:26:22 UTC Btrfs: fix leaked space in truncate We were occasionaly leaking space when running xfstest 269. This is because if we failed to start the transaction in the truncate loop we'd just goto out, but we need to break so that the inode is removed from the orphan list and the space is properly freed. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com> 15 December 2011, 16:04:23 UTC
660d3f6 Josef Bacik 09 December 2011, 16:18:51 UTC Btrfs: fix how we do delalloc reservations and how we free reservations on error Running xfstests 269 with some tracing my scripts kept spitting out errors about releasing bytes that we didn't actually have reserved. This took me down a huge rabbit hole and it turns out the way we deal with reserved_extents is wrong, we need to only be setting it if the reservation succeeds, otherwise the free() method will come in and unreserve space that isn't actually reserved yet, which can lead to other warnings and such. The math was all working out right in the end, but it caused all sorts of other issues in addition to making my scripts yell and scream and generally make it impossible for me to track down the original issue I was looking for. The other problem is with our error handling in the reservation code. There are two cases that we need to deal with 1) We raced with free. In this case free won't free anything because csum_bytes is modified before we dro the lock in our reservation path, so free rightly doesn't release any space because the reservation code may be depending on that reservation. However if we fail, we need the reservation side to do the free at that point since that space is no longer in use. So as it stands the code was doing this fine and it worked out, except in case #2 2) We don't race with free. Nobody comes in and changes anything, and our reservation fails. In this case we didn't reserve anything anyway and we just need to clean up csum_bytes but not free anything. So we keep track of csum_bytes before we drop the lock and if it hasn't changed we know we can just decrement csum_bytes and carry on. Because of the case where we can race with free()'s since we have to drop our spin_lock to do the reservation, I'm going to serialize all reservations with the i_mutex. We already get this for free in the heavy use paths, truncate and file write all hold the i_mutex, just needed to add it to page_mkwrite and various ioctl/balance things. With this patch my space leak scripts no longer scream bloody murder. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com> 15 December 2011, 16:04:22 UTC
22c44fe Josef Bacik 30 November 2011, 15:45:38 UTC Btrfs: deal with enospc from dirtying inodes properly Now that we're properly keeping track of delayed inode space we've been getting a lot of warnings out of btrfs_dirty_inode() when running xfstest 83. This is because a bunch of people call mark_inode_dirty, which is void so we can't return ENOSPC. This needs to be fixed in a few areas 1) file_update_time - this updates the mtime and such when writing to a file, which will call mark_inode_dirty. So copy file_update_time into btrfs so we can call btrfs_dirty_inode directly and return an error if we get one appropriately. 2) fix symlinks to use btrfs_setattr for ->setattr. For some reason we weren't setting ->setattr for symlinks, even though we should have been. This catches one of the cases where we were getting errors in mark_inode_dirty. 3) Fix btrfs_setattr and btrfs_setsize to call btrfs_dirty_inode directly instead of mark_inode_dirty. This lets us return errors properly for truncate and chown/anything related to setattr. 4) Add a new btrfs_fs_dirty_inode which will just call btrfs_dirty_inode and print an error if we have one. The only remaining user we can't control for this is touch_atime(), but we don't really want to keep people from walking down the tree if we don't have space to save the atime update, so just complain but don't worry about it. With this patch xfstests 83 complains a handful of times instead of hundreds of times. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com> 15 December 2011, 16:04:21 UTC
0dc3b84 Josef Bacik 18 November 2011, 19:37:27 UTC Btrfs: fix num_workers_starting bug and other bugs in async thread Al pointed out we have some random problems with the way we account for num_workers_starting in the async thread stuff. First of all we need to make sure to decrement num_workers_starting if we fail to start the worker, so make __btrfs_start_workers do this. Also fix __btrfs_start_workers so that it doesn't call btrfs_stop_workers(), there is no point in stopping everybody if we failed to create a worker. Also check_pending_worker_creates needs to call __btrfs_start_work in it's work function since it already increments num_workers_starting. People only start one worker at a time, so get rid of the num_workers argument everywhere, and make btrfs_queue_worker a void since it will always succeed. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com> 15 December 2011, 16:04:21 UTC
ad19db7 Casey Schaufler 15 December 2011, 15:09:07 UTC BTRFS: Establish i_ops before calling d_instantiate The Smack LSM hook for security_d_instantiate checks the inode's i_op->getxattr value to determine if the containing filesystem supports extended attributes. The BTRFS filesystem sets the inode's i_op value only after it has instantiated the inode. This results in Smack incorrectly giving new BTRFS inodes attributes from the filesystem defaults on the assumption that values can't be stored on the filesystem. This patch moves the assignment of inode operation vectors ahead of the calls to d_instantiate, letting Smack know that the filesystem supports extended attributes. There should be no impact on the performance or behavior of BTRFS. Signed-off-by: Casey Schaufler <casey@schaufler-ca.com> Signed-off-by: Chris Mason <chris.mason@oracle.com> 15 December 2011, 15:50:38 UTC
8f3b65a Chris Mason 15 December 2011, 14:29:43 UTC Btrfs: add a cond_resched() into the worker loop If we have a constant stream of end_io completions or crc work, we can hit softlockup messages from the async helper threads. This adds a cond_resched() into the loop to avoid them. Signed-off-by: Chris Mason <chris.mason@oracle.com> 15 December 2011, 15:50:38 UTC
306424c Li Zefan 15 December 2011, 01:12:02 UTC Btrfs: fix ctime update of on-disk inode To reproduce the bug: # touch /mnt/tmp # stat /mnt/tmp | grep Change Change: 2011-12-09 09:32:23.412105981 +0800 # chattr +i /mnt/tmp # stat /mnt/tmp | grep Change Change: 2011-12-09 09:32:43.198105295 +0800 # umount /mnt # mount /dev/loop1 /mnt # stat /mnt/tmp | grep Change Change: 2011-12-09 09:32:23.412105981 +0800 We should update ctime of in-memory inode before calling btrfs_update_inode(). Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com> 15 December 2011, 15:50:37 UTC
f8e9e0b Arne Jansen 15 December 2011, 01:12:02 UTC btrfs: keep orphans for subvolume deletion Since we have the free space caches, btrfs_orphan_cleanup also runs for the tree_root. Unfortunately this also cleans up the orphans used to mark subvol deletions in progress. Currently if a subvol deletion gets interrupted twice by umount/mount, the deletion will not be continued and the space permanently lost, though it would be possible to write a tool to recover those lost subvol deletions. This patch checks if the orphan belongs to a subvol (dead root) and skips the deletion. Signed-off-by: Arne Jansen <sensille@gmx.net> Signed-off-by: Chris Mason <chris.mason@oracle.com> 15 December 2011, 15:50:37 UTC
39fb26c Miao Xie 15 December 2011, 01:12:02 UTC Btrfs: fix inaccurate available space on raid0 profile When we use raid0 as the data profile, df command may show us a very inaccurate value of the available space, which may be much less than the real one. It may make the users puzzled. Fix it by changing the calculation of the available space, and making it be more similar to a fake chunk allocation. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com> 15 December 2011, 15:50:36 UTC
3642320 Miao Xie 15 December 2011, 01:12:02 UTC Btrfs: fix wrong disk space information of the files Btrfsck report errors after the 83th case of xfstests was run, The error number is 400, it means the used disk space of the file is wrong. The reason of this bug is that: The file truncation may fail when the space of the file system is not enough, and leave some file extents, whose offset are beyond the end of the files. When we want to expand those files, we will drop those file extents, and put in dummy file extents, and then we should update the i-node. But btrfs forgets to do it. This patch adds the forgotten i-node update. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com> 15 December 2011, 15:50:36 UTC
f4a2f4c Miao Xie 15 December 2011, 01:12:01 UTC Btrfs: fix wrong i_size when truncating a file to a larger size Btrfsck report error 100 after the 83th case of xfstests was run, it means the i_size of the file is wrong. The reason of this bug is that: Btrfs increased i_size of the file at the beginning, but it failed to expand the file, and failed to update the i_size to the old size because there is no enough space in the file system, so we found a wrong i_size. This patch fixes this bug by updating the i_size just when we pass the file expanding and get enough space to update i-node. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com> 15 December 2011, 15:50:35 UTC
844ec31 Takashi Iwai 15 December 2011, 11:56:04 UTC Merge branch 'fix/asoc' into for-linus 15 December 2011, 11:56:04 UTC
645e903 David Henningsson 14 December 2011, 07:52:30 UTC ALSA: HDA: Use LPIB Position fix for Intel SCH Poulsbo Several people with this chipset have reported inconsistent/sloppy values for position reporting when the DMA position buffer is used, and that setting position_fix=1 have fixed their problems. BugLink: https://bugs.launchpad.net/bugs/825709 Signed-off-by: David Henningsson <david.henningsson@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> 15 December 2011, 11:55:27 UTC
55b02d2 Linus Torvalds 15 December 2011, 03:45:40 UTC Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/radeon/kms: add some new pci ids 15 December 2011, 03:45:40 UTC
2240a7b Linus Torvalds 15 December 2011, 02:25:58 UTC Merge tag 'tytso-for-linus-20111214' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 * tag 'tytso-for-linus-20111214' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: handle EOF correctly in ext4_bio_write_page() ext4: remove a wrong BUG_ON in ext4_ext_convert_to_initialized ext4: correctly handle pages w/o buffers in ext4_discard_partial_buffers() ext4: avoid potential hang in mpage_submit_io() when blocksize < pagesize ext4: avoid hangs in ext4_da_should_update_i_disksize() ext4: display the correct mount option in /proc/mounts for [no]init_itable ext4: Fix crash due to getting bogus eh_depth value on big-endian systems ext4: fix ext4_end_io_dio() racing against fsync() .. using the new signed tag merge of git that now verifies the gpg signature automatically. Yay. The branchname was just 'dev', which is prettier. I'll tell Ted to use nicer tag names for future cases. 15 December 2011, 02:25:58 UTC
30aaca4 Linus Torvalds 15 December 2011, 02:23:35 UTC Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: fuse: llseek fix race fuse: fix llseek bug fuse: fix fuse_retrieve 15 December 2011, 02:23:35 UTC
ddb3607 Linus Torvalds 15 December 2011, 02:22:55 UTC 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: fs/ncpfs: fix error paths and goto statements in ncp_fill_super() configfs: register_filesystem() called too early fuse: register_filesystem() called too early ubifs: too early register_filesystem() ... and the same kind of leak for mqueue procfs: fix a vfsmount longterm reference leak 15 December 2011, 02:22:55 UTC
b1f44e1 David S. Miller 14 December 2011, 18:05:22 UTC sparc32: Be less strict in matching %lo part of relocation. The "(insn & 0x01800000) != 0x01800000" test matches 'restore' but that is a legitimate place to see the %lo() part of a 32-bit symbol relocation, particularly in tail calls. Signed-off-by: David S. Miller <davem@davemloft.net> Tested-by: Sergei Trofimovich <slyfox@gentoo.org> 14 December 2011, 18:57:28 UTC
cd5cfce Alex Deucher 12 December 2011, 14:23:48 UTC drm/radeon/kms: add some new pci ids Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=43739 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com> 14 December 2011, 12:29:03 UTC
759c361 Djalal Harouni 13 December 2011, 01:47:29 UTC fs/ncpfs: fix error paths and goto statements in ncp_fill_super() The label 'out_bdi' should be followed by bdi_destroy() instead of fput() which should be after the 'out_fput' label. If bdi_setup_and_register() fails then jump to the 'out_fput' label instead of the 'out_bdi' one. If fget(data.info_fd) fails then jump to the previously fixed 'out_bdi' label to call bdi_destroy() otherwise the bdi object will not be destroyed. Compile tested only. Signed-off-by: Djalal Harouni <tixxdz@opendz.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> 14 December 2011, 05:45:33 UTC
5a0dc73 Yongqiang Yang 14 December 2011, 03:29:12 UTC ext4: handle EOF correctly in ext4_bio_write_page() We need to zero out part of a page which beyond EOF before setting uptodate, otherwise, mapread or write will see non-zero data beyond EOF. Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: stable@kernel.org 14 December 2011, 03:29:12 UTC
5b5ffa4 Yongqiang Yang 14 December 2011, 03:13:42 UTC ext4: remove a wrong BUG_ON in ext4_ext_convert_to_initialized If a file is fallocated on a hole, map->m_lblk + map->m_len may be greater than ee_block + ee_len. Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: stable@kernel.org 14 December 2011, 03:13:42 UTC
093e6e3 Yongqiang Yang 14 December 2011, 03:05:05 UTC ext4: correctly handle pages w/o buffers in ext4_discard_partial_buffers() If a page has been read into memory and never been written, it has no buffers, but we should handle the page in truncate or punch hole. VFS code of writing operations has handled holes correctly, so this patch removes the code handling holes in writing operations. Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: stable@kernel.org 14 December 2011, 03:05:05 UTC
13a79a4 Yongqiang Yang 14 December 2011, 02:51:55 UTC ext4: avoid potential hang in mpage_submit_io() when blocksize < pagesize If there is an unwritten but clean buffer in a page and there is a dirty buffer after the buffer, then mpage_submit_io does not write the dirty buffer out. As a result, da_writepages loops forever. This patch fixes the problem by checking dirty flag. Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: stable@kernel.org 14 December 2011, 02:51:55 UTC
ea51d13 Andrea Arcangeli 14 December 2011, 02:41:15 UTC ext4: avoid hangs in ext4_da_should_update_i_disksize() If the pte mapping in generic_perform_write() is unmapped between iov_iter_fault_in_readable() and iov_iter_copy_from_user_atomic(), the "copied" parameter to ->end_write can be zero. ext4 couldn't cope with it with delayed allocations enabled. This skips the i_disksize enlargement logic if copied is zero and no new data was appeneded to the inode. gdb> bt #0 0xffffffff811afe80 in ext4_da_should_update_i_disksize (file=0xffff88003f606a80, mapping=0xffff88001d3824e0, pos=0x1\ 08000, len=0x1000, copied=0x0, page=0xffffea0000d792e8, fsdata=0x0) at fs/ext4/inode.c:2467 #1 ext4_da_write_end (file=0xffff88003f606a80, mapping=0xffff88001d3824e0, pos=0x108000, len=0x1000, copied=0x0, page=0\ xffffea0000d792e8, fsdata=0x0) at fs/ext4/inode.c:2512 #2 0xffffffff810d97f1 in generic_perform_write (iocb=<value optimized out>, iov=<value optimized out>, nr_segs=<value o\ ptimized out>, pos=0x108000, ppos=0xffff88001e26be40, count=<value optimized out>, written=0x0) at mm/filemap.c:2440 #3 generic_file_buffered_write (iocb=<value optimized out>, iov=<value optimized out>, nr_segs=<value optimized out>, p\ os=0x108000, ppos=0xffff88001e26be40, count=<value optimized out>, written=0x0) at mm/filemap.c:2482 #4 0xffffffff810db5d1 in __generic_file_aio_write (iocb=0xffff88001e26bde8, iov=0xffff88001e26bec8, nr_segs=0x1, ppos=0\ xffff88001e26be40) at mm/filemap.c:2600 #5 0xffffffff810db853 in generic_file_aio_write (iocb=0xffff88001e26bde8, iov=0xffff88001e26bec8, nr_segs=<value optimi\ zed out>, pos=<value optimized out>) at mm/filemap.c:2632 #6 0xffffffff811a71aa in ext4_file_write (iocb=0xffff88001e26bde8, iov=0xffff88001e26bec8, nr_segs=0x1, pos=0x108000) a\ t fs/ext4/file.c:136 #7 0xffffffff811375aa in do_sync_write (filp=0xffff88003f606a80, buf=<value optimized out>, len=<value optimized out>, \ ppos=0xffff88001e26bf48) at fs/read_write.c:406 #8 0xffffffff81137e56 in vfs_write (file=0xffff88003f606a80, buf=0x1ec2960 <Address 0x1ec2960 out of bounds>, count=0x4\ 000, pos=0xffff88001e26bf48) at fs/read_write.c:435 #9 0xffffffff8113816c in sys_write (fd=<value optimized out>, buf=0x1ec2960 <Address 0x1ec2960 out of bounds>, count=0x\ 4000) at fs/read_write.c:487 #10 <signal handler called> #11 0x00007f120077a390 in __brk_reservation_fn_dmi_alloc__ () #12 0x0000000000000000 in ?? () gdb> print offset $22 = 0xffffffffffffffff gdb> print idx $23 = 0xffffffff gdb> print inode->i_blkbits $24 = 0xc gdb> up #1 ext4_da_write_end (file=0xffff88003f606a80, mapping=0xffff88001d3824e0, pos=0x108000, len=0x1000, copied=0x0, page=0\ xffffea0000d792e8, fsdata=0x0) at fs/ext4/inode.c:2512 2512 if (ext4_da_should_update_i_disksize(page, end)) { gdb> print start $25 = 0x0 gdb> print end $26 = 0xffffffffffffffff gdb> print pos $27 = 0x108000 gdb> print new_i_size $28 = 0x108000 gdb> print ((struct ext4_inode_info *)((char *)inode-((int)(&((struct ext4_inode_info *)0)->vfs_inode))))->i_disksize $29 = 0xd9000 gdb> down 2467 for (i = 0; i < idx; i++) gdb> print i $30 = 0xd44acbee This is 100% reproducible with some autonuma development code tuned in a very aggressive manner (not normal way even for knumad) which does "exotic" changes to the ptes. It wouldn't normally trigger but I don't see why it can't happen normally if the page is added to swap cache in between the two faults leading to "copied" being zero (which then hangs in ext4). So it should be fixed. Especially possible with lumpy reclaim (albeit disabled if compaction is enabled) as that would ignore the young bits in the ptes. Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: stable@kernel.org 14 December 2011, 02:41:15 UTC
c7caf4d Larry Finger 11 December 2011, 16:27:54 UTC staging: r8712u: Add new USB ID Add USB ID for Sitecom WLA-2000 v1.001 WLAN. Reported-and-tested-by: Roland Gruber <post@rolandgruber.de> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> 14 December 2011, 00:13:15 UTC
ed625b9 Omar Ramirez Luna 18 November 2011, 22:18:54 UTC staging: tidspbridge: request dmtimer clocks on init Given that dm timer framework doesn't support request of clocks by soft | hard irqs because some recent changes, tidspbridge needs to request its clocks on init and enable/disable them on demand. This was first seen on 3.2-rc1. Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> 14 December 2011, 00:12:06 UTC
0a7e22e Omar Ramirez Luna 15 November 2011, 02:16:57 UTC staging: tidspbridge: include module.h by default Fixes compilation break when compiled as part of the kernel: drivers/staging/tidspbridge/rmgr/drv_interface.c:134: error: expected declaration specifiers or '...' before string constant drivers/staging/tidspbridge/rmgr/drv_interface.c:134: warning: data definition has no type or storage class drivers/staging/tidspbridge/rmgr/drv_interface.c:134: warning: type defaults to 'int' in declaration of 'MODULE_AUTHOR' drivers/staging/tidspbridge/rmgr/drv_interface.c:134: warning: function declaration isn't a prototype drivers/staging/tidspbridge/rmgr/drv_interface.c:135: error: expected declaration specifiers or '...' before string constant drivers/staging/tidspbridge/rmgr/drv_interface.c:135: warning: data definition has no type or storage class drivers/staging/tidspbridge/rmgr/drv_interface.c:135: warning: type defaults to 'int' in declaration of 'MODULE_LICENSE' drivers/staging/tidspbridge/rmgr/drv_interface.c:135: warning: function declaration isn't a prototype drivers/staging/tidspbridge/rmgr/drv_interface.c:136: error: expected declaration specifiers or '...' before string constant drivers/staging/tidspbridge/rmgr/drv_interface.c:136: warning: data definition has no type or storage class drivers/staging/tidspbridge/rmgr/drv_interface.c:136: warning: type defaults to 'int' in declaration of 'MODULE_VERSION' drivers/staging/tidspbridge/rmgr/drv_interface.c:136: warning: function declaration isn't a prototype drivers/staging/tidspbridge/rmgr/drv_interface.c: In function 'omap34_xx_bridge_probe': drivers/staging/tidspbridge/rmgr/drv_interface.c:359: error: 'THIS_MODULE' undeclared (first use in this function) drivers/staging/tidspbridge/rmgr/drv_interface.c:359: error: (Each undeclared identifier is reported only once drivers/staging/tidspbridge/rmgr/drv_interface.c:359: error: for each function it appears in.) Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> 14 December 2011, 00:11:37 UTC
373da0a Linus Torvalds 13 December 2011, 23:02:31 UTC Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: Revert "x86, efi: Calling __pa() with an ioremap()ed address is invalid" x86, efi: Make efi_call_phys_{prelog,epilog} CONFIG_RELOCATABLE-aware 13 December 2011, 23:02:31 UTC
653f42f Linus Torvalds 13 December 2011, 22:59:42 UTC Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: ceph: add missing spin_unlock at ceph_mdsc_build_path() ceph: fix SEEK_CUR, SEEK_SET regression crush: fix mapping calculation when force argument doesn't exist ceph: use i_ceph_lock instead of i_lock rbd: remove buggy rollback functionality rbd: return an error when an invalid header is read ceph: fix rasize reporting by ceph_show_options 13 December 2011, 22:59:42 UTC
4dde6de Linus Torvalds 13 December 2011, 22:58:56 UTC Merge branch 'writeback-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux * 'writeback-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux: writeback: set max_pause to lowest value on zero bdi_dirty writeback: permit through good bdi even when global dirty exceeded writeback: comment on the bdi dirty threshold fs: Make write(2) interruptible by a fatal signal writeback: Fix issue on make htmldocs 13 December 2011, 22:58:56 UTC
bb3c368 David S. Miller 13 December 2011, 22:35:06 UTC ipv6: Check dest prefix length on original route not copied one in rt6_alloc_cow(). After commit 8e2ec639173f325977818c45011ee176ef2b11f6 ("ipv6: don't use inetpeer to store metrics for routes.") the test in rt6_alloc_cow() for setting the ANYCAST flag is now wrong. 'rt' will always now have a plen of 128, because it is set explicitly to 128 by ip6_rt_copy. So to restore the semantics of the test, check the destination prefix length of 'ort'. Signed-off-by: David S. Miller <davem@davemloft.net> 13 December 2011, 22:35:06 UTC
e5fe29c Felipe Contreras 08 December 2011, 20:23:00 UTC ARM: OMAP: rx51: fix USB Commit 10299e2e4e3ed3b16503d4e04edd48b33083f4e2 (ARM: RX-51: Enable isp1704 power on/off) added power management for isp1704. However, the transceiver should be powered on by default, otherwise USB doesn't work at all for networking during boot. All kernels after v3.0 are affected. Cc: stable@kernel.org Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Reviewed-by: Sebastian Reichel <sre@debian.org> [tony@atomide.com: updated comments] Signed-off-by: Tony Lindgren <tony@atomide.com> 13 December 2011, 21:49:03 UTC
9d5a09e Yehuda Sadeh 13 December 2011, 17:57:44 UTC ceph: add missing spin_unlock at ceph_mdsc_build_path() one of the paths was missing spin_unlock Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net> 13 December 2011, 19:59:53 UTC
28538df Wolfram Sang 13 December 2011, 09:12:48 UTC gpio: mpc8xxx: don't allow input-only pins to be output for MPC5121 Add a 5121-custom reject if an input-only pin is requested to be output (see 18.3.1.1 in the refman). Also, rewrite mach-specific quirk setup to consume less lines which scales better. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> [grant.likely: Fixed build error] Signed-off-by: Grant Likely <grant.likely@secretlab.ca> 13 December 2011, 18:14:35 UTC
4d05221 Feng Tang 13 December 2011, 15:53:50 UTC gpio-ml-ioh: Add the irq_disable/irq_enable hooks for ml-ioh irq chip These hooks will be needed by the general disabl/enable_irq(); Signed-off-by: Feng Tang <feng.tang@intel.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca> 13 December 2011, 18:05:17 UTC
f9ea14e Feng Tang 13 December 2011, 15:53:49 UTC gpio-ml-ioh: fix a bug in the interrupt handler GPIO's irq action's dev_id is set to the first struct ioh_gpio chip, so when loop checking the 8 chips, the "chip" should be changed according. Signed-off-by: Feng Tang <feng.tang@intel.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca> 13 December 2011, 18:05:17 UTC
b288809 Rob Herring 09 December 2011, 22:56:08 UTC gpio: pl061: drop extra check for NULL platform_data In adding DT binding support, the check for NULL platform_data got added back in inadvertently, so remove it. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca> 13 December 2011, 18:01:14 UTC
02a551c Bjørn Mork 13 December 2011, 04:33:02 UTC USB: option: Removing one bogus and adding some new Huawei combinations Huawei use the product code HUAWEI_PRODUCT_E353 (0x1506) for a number of different devices, which each can appear with a number of different descriptor sets. Different types of interfaces can be identified by looking at the subclass and protocol fields Subclass 1 protocol 8 is actually the data interface of a CDC ECM set, with subclass 1 protocol 9 as the control interface. Neither support serial data communcation, and cannot therefore be supported by this driver. At the same time, add a few other sets which appear if the device is configured in "Windows mode" using this modeswitch message: 55534243000000000000000000000011060000000100000000000000000000 Signed-off-by: Bjørn Mork <bjorn@mork.no> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> 13 December 2011, 17:46:01 UTC
7c6455e Al Viro 13 December 2011, 17:32:42 UTC configfs: register_filesystem() called too early Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> 13 December 2011, 17:35:15 UTC
988f032 Al Viro 13 December 2011, 17:25:27 UTC fuse: register_filesystem() called too early same story as with ubifs Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> 13 December 2011, 17:35:14 UTC
5cc361e Al Viro 13 December 2011, 04:58:21 UTC ubifs: too early register_filesystem() doing that before you are ready to handle mount() is a Bad Idea(tm)... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> 13 December 2011, 17:35:13 UTC
442ee5a Linus Torvalds 13 December 2011, 17:28:23 UTC Merge branch 'fixes' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm * 'fixes' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm: ARM: 7204/1: arch/arm/kernel/setup.c: initialize arm_dma_zone_size earlier ARM: 7185/1: perf: don't assign platform_device on unsupported CPUs ARM: 7187/1: fix unwinding for XIP kernels ARM: 7186/1: fix Kconfig issue with PHYS_OFFSET and !MMU 13 December 2011, 17:28:23 UTC
6a82c47 Sage Weil 13 December 2011, 17:19:26 UTC ceph: fix SEEK_CUR, SEEK_SET regression Commit 06222e491e663dac939f04b125c9dc52126a75c4 got the if wrong so that it always evaluates as true. This is semantically harmless, but makes SEEK_CUR and SEEK_SET needlessly query the server. Rewrite the if to explicitly enumerate the cases we DO need a valid i_size to make this code less fragile. Reported-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Sage Weil <sage@newdream.net> 13 December 2011, 17:19:26 UTC
738384a Arnd Bergmann 13 December 2011, 16:34:25 UTC Merge branch 'imx-fixes-for-arnd' of git://git.pengutronix.de/git/imx/linux-2.6 into fixes 13 December 2011, 16:34:25 UTC
935a9fe Yinghai Lu 12 December 2011, 20:39:14 UTC ibft: Fix finding IBFT ACPI table on UEFI Found one system with UEFI/iBFT, kernel does not detect the iBFT during iscsi_ibft module loading. Root cause: on x86 (UEFI), we are calling of find_ibft_region() much earlier - specifically in setup_arch() before ACPI is enabled. Try to split acpi checking code out and call that later At that time ACPI iBFT already get permanent mapped with ioremap. So isa_virt_to_bus() will get wrong phys from right virt address. We could just skip that phys address printing. For legacy one, print the found address early. -v2: update comments and description according to Konrad. -v3: fix problem about module use case that is found by Konrad. -v4: use acpi_get_table() instead of acpi_table_parse() to handle module use case that is found by Konrad again.. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Konrad Rzeszutek Wilk <konrad@kernel.org> 13 December 2011, 14:08:31 UTC
e2ef36c Gustavo Maciel Dias Vieira 13 December 2011, 13:47:22 UTC ALSA: hda: fix mute led polarity for HP laptops with buggy BIOS Some HP laptop models do not have a properly filled OEM string used to set the gpio and polarity of the mute led. Make the mute led configuration work for this case. Signed-off-by: Gustavo Maciel Dias Vieira <gustavo@sagui.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> 13 December 2011, 13:50:52 UTC
73104b6 Miklos Szeredi 13 December 2011, 10:40:59 UTC fuse: llseek fix race Fix race between lseek(fd, 0, SEEK_CUR) and read/write. This was fixed in generic code by commit 5b6f1eb97d (vfs: lseek(fd, 0, SEEK_CUR) race condition). Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> 13 December 2011, 10:40:59 UTC
b48c6af Roel Kluin 13 December 2011, 09:37:00 UTC fuse: fix llseek bug The test in fuse_file_llseek() "not SEEK_CUR or not SEEK_SET" always evaluates to true. This was introduced in 3.1 by commit 06222e49 (fs: handle SEEK_HOLE/SEEK_DATA properly in all fs's that define their own llseek) and changed the behavior of SEEK_CUR and SEEK_SET to always retrieve the file attributes. This is a performance regression. Fix the test so that it makes sense. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> CC: stable@vger.kernel.org CC: Josef Bacik <josef@redhat.com> CC: Al Viro <viro@zeniv.linux.org.uk> 13 December 2011, 09:37:00 UTC
48706d0 Miklos Szeredi 13 December 2011, 09:36:59 UTC fuse: fix fuse_retrieve Fix two bugs in fuse_retrieve(): - retrieving more than one page would yield repeated instances of the first page - if more than FUSE_MAX_PAGES_PER_REQ pages were requested than the request page array would overflow fuse_retrieve() was added in 2.6.36 and these bugs had been there since the beginning. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> CC: stable@vger.kernel.org 13 December 2011, 09:36:59 UTC
13c07b0 Linus Torvalds 13 December 2011, 06:06:55 UTC linux/log2.h: Fix rounddown_pow_of_two(1) Exactly like roundup_pow_of_two(1), the rounddown version was buggy for the case of a compile-time constant '1' argument. Probably because it originated from the same code, sharing history with the roundup version from before the bugfix (for that one, see commit 1a06a52ee1b0: "Fix roundup_pow_of_two(1)"). However, unlike the roundup version, the fix for rounddown is to just remove the broken special case entirely. It's simply not needed - the generic code 1UL << ilog2(n) does the right thing for the constant '1' argment too. The only reason roundup needed that special case was because rounding up does so by subtracting one from the argument (and then adding one to the result) causing the obvious problems with "ilog2(0)". But rounddown doesn't do any of that, since ilog2() naturally truncates (ie "rounds down") to the right rounded down value. And without the ilog2(0) case, there's no reason for the special case that had the wrong value. tl;dr: rounddown_pow_of_two(1) should be 1, not 0. Acked-by: Dmitry Torokhov <dtor@vmware.com> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 13 December 2011, 06:06:55 UTC
12870da Linus Torvalds 13 December 2011, 04:08:27 UTC Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging * 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (jz4740) Staticise jz4740_hwmon_driver hwmon: (jz4740) fix signedness bug 13 December 2011, 04:08:27 UTC
71fe5cc Linus Torvalds 13 December 2011, 04:06:13 UTC Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: mmc: core: Fix deadlock when the CONFIG_MMC_UNSAFE_RESUME is not defined mmc: sdhci-s3c: Remove old and misprototyped suspend operations mmc: tmio: fix clock gating on platforms with a .set_pwr() method mmc: sh_mmcif: fix clock gating on platforms with a .down_pwr() method mmc: core: Fix typo at mmc_card_sleep mmc: core: Fix power_off_notify during suspend mmc: core: Fix setting power notify state variable for non-eMMC mmc: core: Add quirk for long data read time mmc: Add module.h include to sdhci-cns3xxx.c mmc: mxcmmc: fix falling back to PIO mmc: omap_hsmmc: DMA unmap only once in case of MMC error 13 December 2011, 04:06:13 UTC
fc6cb1c Theodore Ts'o 13 December 2011, 03:06:18 UTC ext4: display the correct mount option in /proc/mounts for [no]init_itable /proc/mounts was showing the mount option [no]init_inode_table when the correct mount option that will be accepted by parse_options() is [no]init_itable. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: stable@kernel.org 13 December 2011, 03:06:18 UTC
3f1e6d3 Eric Dumazet 11 December 2011, 23:42:53 UTC sch_gred: should not use GFP_KERNEL while holding a spinlock gred_change_vq() is called under sch_tree_lock(sch). This means a spinlock is held, and we are not allowed to sleep in this context. We might pre-allocate memory using GFP_KERNEL before taking spinlock, but this is not suitable for stable material. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> 13 December 2011, 00:08:54 UTC
72b3601 Ted Feng 08 December 2011, 00:46:21 UTC ipip, sit: copy parms.name after register_netdevice Same fix as 731abb9cb2 for ipip and sit tunnel. Commit 1c5cae815d removed an explicit call to dev_alloc_name in ipip_tunnel_locate and ipip6_tunnel_locate, because register_netdevice will now create a valid name, however the tunnel keeps a copy of the name in the private parms structure. Fix this by copying the name back after register_netdevice has successfully returned. This shows up if you do a simple tunnel add, followed by a tunnel show: $ sudo ip tunnel add mode ipip remote 10.2.20.211 $ ip tunnel tunl0: ip/ip remote any local any ttl inherit nopmtudisc tunl%d: ip/ip remote 10.2.20.211 local any ttl inherit $ sudo ip tunnel add mode sit remote 10.2.20.212 $ ip tunnel sit0: ipv6/ip remote any local any ttl 64 nopmtudisc 6rd-prefix 2002::/16 sit%d: ioctl 89f8 failed: No such device sit%d: ipv6/ip remote 10.2.20.212 local any ttl inherit Cc: stable@vger.kernel.org Signed-off-by: Ted Feng <artisdom@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> 12 December 2011, 23:50:51 UTC
4af04ab Li Wei 06 December 2011, 21:23:45 UTC ipv6: Fix for adding multicast route for loopback device automatically. There is no obvious reason to add a default multicast route for loopback devices, otherwise there would be a route entry whose dst.error set to -ENETUNREACH that would blocking all multicast packets. ==================== [ more detailed explanation ] The problem is that the resulting routing table depends on the sequence of interface's initialization and in some situation, that would block all muticast packets. Suppose there are two interfaces on my computer (lo and eth0), if we initailize 'lo' before 'eth0', the resuting routing table(for multicast) would be # ip -6 route show | grep ff00:: unreachable ff00::/8 dev lo metric 256 error -101 ff00::/8 dev eth0 metric 256 When sending multicasting packets, routing subsystem will return the first route entry which with a error set to -101(ENETUNREACH). I know the kernel will set the default ipv6 address for 'lo' when it is up and won't set the default multicast route for it, but there is no reason to stop 'init' program from setting address for 'lo', and that is exactly what systemd did. I am sure there is something wrong with kernel or systemd, currently I preferred kernel caused this problem. ==================== Signed-off-by: Li Wei <lw@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net> 12 December 2011, 23:48:18 UTC
6abff5d Krzysztof Hałasa 12 December 2011, 13:51:00 UTC USB: cdc-acm: add IDs for Motorola H24 HSPA USB module. Add USB IDs for Motorola H24 HSPA USB module. Signed-off-by: Krzysztof Hałasa <khalasa@piap.pl> Acked-by: Oliver Neukum <oneukum@suse.de> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> 12 December 2011, 22:31:33 UTC
414b591 Alex Hermann 12 December 2011, 20:42:23 UTC usb: option: Add Huawei E398 controlling interfaces This patch adds the controlling interfaces for the Huawei E398. Thanks to Bjørn Mork <bjorn@mork.no> for extracting the interface numbers from the windows driver. Signed-off-by: Alex Hermann <alex@wenlex.nl> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> 12 December 2011, 22:31:32 UTC
0c8551e Jarkko Nikula 12 December 2011, 08:38:26 UTC ARM: OMAP: mcbsp: Fix possible memory corruption Commits 09d28d ("ARM: OMAP: mcbsp: Start generalize omap2_mcbsp_set_clks_src") and 7bc0c4 ("ARM: OMAP: mcbsp: Start generalize signal muxing functions") incorrectly set two struct omap_mcbsp_platform_data fields after omap_device_build_ss and kfree calls. Fix this by moving these pdata assignments before those calls. Signed-off-by: Jarkko Nikula <jarkko.nikula@bitmer.com> Reported-by: NeilBrown <neilb@suse.de> Signed-off-by: Tony Lindgren <tony@atomide.com> 12 December 2011, 18:31:54 UTC
e1ad783 Keith Packard 12 December 2011, 00:12:42 UTC Revert "x86, efi: Calling __pa() with an ioremap()ed address is invalid" This hangs my MacBook Air at boot time; I get no console messages at all. I reverted this on top of -rc5 and my machine boots again. This reverts commit e8c7106280a305e1ff2a3a8a4dfce141469fb039. Signed-off-by: Matt Fleming <matt.fleming@intel.com> Signed-off-by: Keith Packard <keithp@keithp.com> Acked-by: H. Peter Anvin <hpa@zytor.com> Cc: Matthew Garrett <mjg@redhat.com> Cc: Zhang Rui <rui.zhang@intel.com> Cc: Huang Ying <huang.ying.caritas@gmail.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> Link: http://lkml.kernel.org/r/1321621751-3650-1-git-send-email-matt@console Signed-off-by: Ingo Molnar <mingo@elte.hu> 12 December 2011, 17:25:56 UTC
f1932fc Sage Weil 07 December 2011, 17:10:26 UTC crush: fix mapping calculation when force argument doesn't exist If the force argument isn't valid, we should continue calculating a mapping as if it weren't specified. Signed-off-by: Sage Weil <sage@newdream.net> 12 December 2011, 17:09:45 UTC
d6c4f2a Axel Lin 08 December 2011, 13:33:37 UTC hwmon: (jz4740) Staticise jz4740_hwmon_driver It is not used outside this driver so no need to make the symbol global. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> 12 December 2011, 16:31:21 UTC
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