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2014-12-03drivers/input/evdev.c: don't kfree() a vmalloc addressAndrew Morton
If kzalloc() failed and then evdev_open_device() fails, evdev_open() will pass a vmalloc'ed pointer to kfree. This might fix https://bugzilla.kernel.org/show_bug.cgi?id=88401, where there was a crash in kfree(). Reported-by: Christian Casteyde <casteyde.christian@free.fr> Belatedly-Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: Henrik Rydberg <rydberg@euromail.se> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-12-03ARM: at91: remove unused board.h fileArnd Bergmann
All functions declared in this file are gone. Signed-off-by: Arnd Bergmann <arnd@arndb.de> [nicolas.ferre@atmel.com: re-order patches so modify board-dt-sam9] Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-12-03ARM: at91: remove unneeded header filesNicolas Ferre
These files were left behind with no reason. Remove them. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-12-03ARM: at91/clocksource: remove !DT PIT initializationsArnd Bergmann
As AT91 !DT code is now removed, cleanup the PIT clocksource driver. Signed-off-by: Arnd Bergmann <arnd@arndb.de> [nicolas.ferre@atmel.com: split patch] Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: Boris BREZILLON <boris.brezillon@free-electrons.com> Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
2014-12-03arm64: Implement support for read-mostly sectionsJungseok Lee
As putting data which is read mostly together, we can avoid unnecessary cache line bouncing. Other architectures, such as ARM and x86, adopted the same idea. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Jungseok Lee <jungseoklee85@gmail.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
2014-12-02cxgb4: Fill in supported link mode for SFP modulesHariprasad Shenai
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-12-02xen-netfront: Remove BUGs on paged skb data which crosses a page boundarySeth Forshee
These BUGs can be erroneously triggered by frags which refer to tail pages within a compound page. The data in these pages may overrun the hardware page while still being contained within the compound page, but since compound_order() evaluates to 0 for tail pages the assertion fails. The code already iterates through subsequent pages correctly in this scenario, so the BUGs are unnecessary and can be removed. Fixes: f36c374782e4 ("xen/netfront: handle compound page fragments on transmit") Cc: <stable@vger.kernel.org> # 3.7+ Signed-off-by: Seth Forshee <seth.forshee@canonical.com> Reviewed-by: David Vrabel <david.vrabel@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-12-02mm/vmpressure.c: fix race in vmpressure_work_fn()Andrew Morton
In some android devices, there will be a "divide by zero" exception. vmpr->scanned could be zero before spin_lock(&vmpr->sr_lock). Addresses https://bugzilla.kernel.org/show_bug.cgi?id=88051 [akpm@linux-foundation.org: neaten] Reported-by: ji_ang <ji_ang@163.com> Cc: Anton Vorontsov <anton.vorontsov@linaro.org> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-12-02mm: frontswap: invalidate expired data on a dup-store failureWeijie Yang
If a frontswap dup-store failed, it should invalidate the expired page in the backend, or it could trigger some data corruption issue. Such as: 1. use zswap as the frontswap backend with writeback feature 2. store a swap page(version_1) to entry A, success 3. dup-store a newer page(version_2) to the same entry A, fail 4. use __swap_writepage() write version_2 page to swapfile, success 5. zswap do shrink, writeback version_1 page to swapfile 6. version_2 page is overwrited by version_1, data corrupt. This patch fixes this issue by invalidating expired data immediately when meet a dup-store failure. Signed-off-by: Weijie Yang <weijie.yang@samsung.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Seth Jennings <sjennings@variantweb.net> Cc: Dan Streetman <ddstreet@ieee.org> Cc: Minchan Kim <minchan@kernel.org> Cc: Bob Liu <bob.liu@oracle.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-12-02mm: do not overwrite reserved pages counter at show_mem()Rafael Aquini
Minor fixlet to perform the reserved pages counter aggregation for each node, at show_mem() Signed-off-by: Rafael Aquini <aquini@redhat.com> Acked-by: Rik van Riel <riel@redhat.com> Acked-by: Johannes Weiner <jweiner@redhat.com> Acked-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-12-03Merge branch 'drm-fixes-3.18' of git://people.freedesktop.org/~agd5f/linux ↵Dave Airlie
into drm-fixes A few more small fixes for 3.18. * 'drm-fixes-3.18' of git://people.freedesktop.org/~agd5f/linux: drm/radeon: kernel panic in drm_calc_vbltimestamp_from_scanoutpos with 3.18.0-rc6 drm/radeon: Ignore RADEON_GEM_GTT_WC on 32-bit x86 drm/radeon: sync all BOs involved in a CS v2
2014-12-02drm/radeon: kernel panic in drm_calc_vbltimestamp_from_scanoutpos with ↵Petr Mladek
3.18.0-rc6 I was unable too boot 3.18.0-rc6 because of the following kernel panic in drm_calc_vbltimestamp_from_scanoutpos(): [drm] Initialized drm 1.1.0 20060810 [drm] radeon kernel modesetting enabled. [drm] initializing kernel modesetting (RV100 0x1002:0x515E 0x15D9:0x8080). [drm] register mmio base: 0xC8400000 [drm] register mmio size: 65536 radeon 0000:0b:01.0: VRAM: 128M 0x00000000D0000000 - 0x00000000D7FFFFFF (16M used) radeon 0000:0b:01.0: GTT: 512M 0x00000000B0000000 - 0x00000000CFFFFFFF [drm] Detected VRAM RAM=128M, BAR=128M [drm] RAM width 16bits DDR [TTM] Zone kernel: Available graphics memory: 3829346 kiB [TTM] Zone dma32: Available graphics memory: 2097152 kiB [TTM] Initializing pool allocator [TTM] Initializing DMA pool allocator [drm] radeon: 16M of VRAM memory ready [drm] radeon: 512M of GTT memory ready. [drm] GART: num cpu pages 131072, num gpu pages 131072 [drm] PCI GART of 512M enabled (table at 0x0000000037880000). radeon 0000:0b:01.0: WB disabled radeon 0000:0b:01.0: fence driver on ring 0 use gpu addr 0x00000000b0000000 and cpu addr 0xffff8800bbbfa000 [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [drm] Driver supports precise vblank timestamp query. [drm] radeon: irq initialized. [drm] Loading R100 Microcode radeon 0000:0b:01.0: Direct firmware load for radeon/R100_cp.bin failed with error -2 radeon_cp: Failed to load firmware "radeon/R100_cp.bin" [drm:r100_cp_init] *ERROR* Failed to load firmware! radeon 0000:0b:01.0: failed initializing CP (-2). radeon 0000:0b:01.0: Disabling GPU acceleration [drm] radeon: cp finalized BUG: unable to handle kernel NULL pointer dereference at 000000000000025c IP: [<ffffffff8150423b>] drm_calc_vbltimestamp_from_scanoutpos+0x4b/0x320 PGD 0 Oops: 0000 [#1] SMP Modules linked in: CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.18.0-rc6-4-default #2649 Hardware name: Supermicro X7DB8/X7DB8, BIOS 6.00 07/26/2006 task: ffff880234da2010 ti: ffff880234da4000 task.ti: ffff880234da4000 RIP: 0010:[<ffffffff8150423b>] [<ffffffff8150423b>] drm_calc_vbltimestamp_from_scanoutpos+0x4b/0x320 RSP: 0000:ffff880234da7918 EFLAGS: 00010086 RAX: ffffffff81557890 RBX: 0000000000000000 RCX: ffff880234da7a48 RDX: ffff880234da79f4 RSI: 0000000000000000 RDI: ffff880232e15000 RBP: ffff880234da79b8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000000a R11: 0000000000000001 R12: ffff880232dda1c0 R13: ffff880232e1518c R14: 0000000000000292 R15: ffff880232e15000 FS: 0000000000000000(0000) GS:ffff88023fc40000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 000000000000025c CR3: 0000000002014000 CR4: 00000000000007e0 Stack: ffff880234da79d8 0000000000000286 ffff880232dcbc00 0000000000002480 ffff880234da7958 0000000000000296 ffff880234da7998 ffffffff8151b51d ffff880234da7a48 0000000032dcbeb0 ffff880232dcbc00 ffff880232dcbc58 Call Trace: [<ffffffff8151b51d>] ? drm_vma_offset_remove+0x1d/0x110 [<ffffffff8152dc98>] radeon_get_vblank_timestamp_kms+0x38/0x60 [<ffffffff8152076a>] ? ttm_bo_release_list+0xba/0x180 [<ffffffff81503751>] drm_get_last_vbltimestamp+0x41/0x70 [<ffffffff81503933>] vblank_disable_and_save+0x73/0x1d0 [<ffffffff81106b2f>] ? try_to_del_timer_sync+0x4f/0x70 [<ffffffff81505245>] drm_vblank_cleanup+0x65/0xa0 [<ffffffff815604fa>] radeon_irq_kms_fini+0x1a/0x70 [<ffffffff8156c07e>] r100_init+0x26e/0x410 [<ffffffff8152ae3e>] radeon_device_init+0x7ae/0xb50 [<ffffffff8152d57f>] radeon_driver_load_kms+0x8f/0x210 [<ffffffff81506965>] drm_dev_register+0xb5/0x110 [<ffffffff8150998f>] drm_get_pci_dev+0x8f/0x200 [<ffffffff815291cd>] radeon_pci_probe+0xad/0xe0 [<ffffffff8141a365>] local_pci_probe+0x45/0xa0 [<ffffffff8141b741>] pci_device_probe+0xd1/0x130 [<ffffffff81633dad>] driver_probe_device+0x12d/0x3e0 [<ffffffff8163413b>] __driver_attach+0x9b/0xa0 [<ffffffff816340a0>] ? __device_attach+0x40/0x40 [<ffffffff81631cd3>] bus_for_each_dev+0x63/0xa0 [<ffffffff8163378e>] driver_attach+0x1e/0x20 [<ffffffff81633390>] bus_add_driver+0x180/0x240 [<ffffffff81634914>] driver_register+0x64/0xf0 [<ffffffff81419cac>] __pci_register_driver+0x4c/0x50 [<ffffffff81509bf5>] drm_pci_init+0xf5/0x120 [<ffffffff821dc871>] ? ttm_init+0x6a/0x6a [<ffffffff821dc908>] radeon_init+0x97/0xb5 [<ffffffff810002fc>] do_one_initcall+0xbc/0x1f0 [<ffffffff810e3278>] ? __wake_up+0x48/0x60 [<ffffffff8218e256>] kernel_init_freeable+0x18a/0x215 [<ffffffff8218d983>] ? initcall_blacklist+0xc0/0xc0 [<ffffffff818a78f0>] ? rest_init+0x80/0x80 [<ffffffff818a78fe>] kernel_init+0xe/0xf0 [<ffffffff818c0c3c>] ret_from_fork+0x7c/0xb0 [<ffffffff818a78f0>] ? rest_init+0x80/0x80 Code: 45 ac 0f 88 a8 01 00 00 3b b7 d0 01 00 00 49 89 ff 0f 83 99 01 00 00 48 8b 47 20 48 8b 80 88 00 00 00 48 85 c0 0f 84 cd 01 00 00 <41> 8b b1 5c 02 00 00 41 8b 89 58 02 00 00 89 75 98 41 8b b1 60 RIP [<ffffffff8150423b>] drm_calc_vbltimestamp_from_scanoutpos+0x4b/0x320 RSP <ffff880234da7918> CR2: 000000000000025c ---[ end trace ad2c0aadf48e2032 ]--- Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000009 It has helped me to add a NULL pointer check that was suggested at http://lists.freedesktop.org/archives/dri-devel/2014-October/070663.html I am not familiar with the code. But the change looks sane and we need something fast at this stage of 3.18 development. Suggested-by: Helge Deller <deller@gmx.de> Signed-off-by: Petr Mladek <pmladek@suse.cz> Tested-by: Petr Mladek <pmladek@suse.cz> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2014-12-02drm/radeon: Ignore RADEON_GEM_GTT_WC on 32-bit x86Michel Dänzer
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=84627 Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2014-12-02drm/radeon: sync all BOs involved in a CS v2Christian König
Not just the userspace relocs, otherwise we won't wait for a swapped out page tables to be swapped in again. v2: rebased on Alex current drm-fixes-3.18 Signed-off-by: Christian König <christian.koenig@amd.com> Cc: stable@vger.kernel.org Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-12-02sata_fsl: fix error handling of irq_of_parse_and_mapDmitry Torokhov
irq_of_parse_and_map() returns 0 on error (the result is unsigned int), so testing for negative result never works. Signed-off-by: Dmitry Torokhov <dtor@chromium.org> Signed-off-by: Tejun Heo <tj@kernel.org> Cc: stable@vger.kernel.org
2014-12-02AHCI: Add DeviceIDs for Sunrise Point-LP SATA controllerDevin Ryles
This patch adds DeviceIDs for Sunrise Point-LP. Signed-off-by: Devin Ryles <devin.ryles@intel.com> Signed-off-by: Tejun Heo <tj@kernel.org> Cc: stable@vger.kernel.org
2014-12-02scsi: set fmt to NULL scsi_extd_sense_format() by defaultDan Carpenter
One of the two callers passes an unintialized pointer as "fmt" and expects it to be set to NULL if there is no format string. Let's make this function work as expected. Fixes: d811b848ebb7 ('scsi: use sdev as argument for sense code printing') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: James Bottomley <JBottomley@Parallels.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-12-02ARM: dts: rockchip: Add input voltage supply regulators in pmic for MarsboardRomain Perier
vsys is the core always-on supply of the Marsboard. Signed-off-by: Romain Perier <romain.perier@gmail.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2014-12-02ARM: at91: at91rm9200 ST initialization is now DT onlyArnd Bergmann
As at91rm9200 is now DT only, there is no need to keep old entry point in this at91rm9200 System Timer (ST) driver. Signed-off-by: Arnd Bergmann <arnd@arndb.de> [nicolas.ferre@atmel.com: split patch] Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-12-02ARM: at91: remove old AT91-specific driversArnd Bergmann
GPIO and LED drivers were replaced by generic ones for DT boards. These drivers were remaining: delete them now. Modifications are also done on the corresponding header files. Signed-off-by: Arnd Bergmann <arnd@arndb.de> [nicolas.ferre@atmel.com: split patch] Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-12-02ARM: at91: cleanup initilisation code by removing dead codeArnd Bergmann
The AT91-specific SoC strucutre "struct at91_init_soc" was filled with specific !DT initilisation functions. Now that we got rid of the !DT board file description, remove unneeded functions. Signed-off-by: Arnd Bergmann <arnd@arndb.de> [nicolas.ferre@atmel.com: split patch] Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-12-02ARM: at91/Kconfig: select board files automaticallyArnd Bergmann
An explicit selection option is not needed for board files so now we select the board from SoC option. Signed-off-by: Arnd Bergmann <arnd@arndb.de> [nicolas.ferre@atmel.com: remove option's comments; split patch] Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2014-12-02dm crypt: use memzero_explicit for on-stack bufferMilan Broz
Use memzero_explicit to cleanup sensitive data allocated on stack to prevent the compiler from optimizing and removing memset() calls. Signed-off-by: Milan Broz <gmazyland@gmail.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Cc: stable@vger.kernel.org
2014-12-02dm space map metadata: fix sm_bootstrap_get_count()Joe Thornber
Must set 'result' accordingly rather than return it. Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2014-12-02block: fix regression where bio_integrity_process uses wrong bio_vec iteratorDarrick J. Wong
bio integrity handling is broken on a system with LVM layered atop a DIF/DIX SCSI drive because device mapper clones the bio, modifies the clone, and sends the clone to the lower layers for processing. However, the clone bio has bi_vcnt == 0, which means that when the sd driver calls bio_integrity_process to attach DIX data, the for_each_segment_all() call (which uses bi_vcnt) returns immediately and random garbage is sent to the disk on a disk write. The disk of course returns an error. Therefore, teach bio_integrity_process() to use bio_for_each_segment() to iterate the bio_vecs, since the per-bio iterator tracks which bio_vecs are associated with that particular bio. The integrity handling code is effectively part of the "driver" (it's not the bio owner), so it must use the correct iterator function. v2: Fix a compiler warning about abandoned local variables. This patch supersedes "block: bio_integrity_process uses wrong bio_vec iterator". Patch applies against 3.18-rc6. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Acked-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2014-12-02hwmon: (lm95234) Add support for LM95233Guenter Roeck
LM95233 is similar to LM95234, but it only supports two instead of four external temperature sensors. Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-12-02drm/i915: Unlock panel even when LVDS is disabledDaniel Vetter
Otherwise we'll have backtraces in assert_panel_unlocked because the BIOS locks the register. In the reporter's case this regression was introduced in commit c31407a3672aaebb4acddf90944a114fa5c8af7b Author: Chris Wilson <chris@chris-wilson.co.uk> Date: Thu Oct 18 21:07:01 2012 +0100 drm/i915: Add no-lvds quirk for Supermicro X7SPA-H Reported-by: Alexey Orishko <alexey.orishko@gmail.com> Cc: Alexey Orishko <alexey.orishko@gmail.com> Cc: stable@vger.kernel.org Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Francois Tigeot <ftigeot@wolfpond.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Tested-by: Alexey Orishko <alexey.orishko@gmail.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2014-12-02regulator: sky81452: Modify Device Tree structureGyungoh Yoo
Signed-off-by: Gyungoh Yoo <jack.yoo@skyworksinc.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2014-12-02regulator: sky81452: Modify Device Tree structureGyungoh Yoo
Signed-off-by: Gyungoh Yoo <jack.yoo@skyworksinc.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2014-12-02hwmon: (lm95245) Add support for LM95235Guenter Roeck
LM95235 is register compatible to LM95245. Also update link to LM95245 data sheet, and drop the link to the datasheet from the driver source to simplify code maintenance. Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-12-02mmc: sdhci-acpi: Add two host capabilities for IntelAdrian Hunter
Intel host controllers are capable of doing the bus width test and of waiting while busy, so add the capability flags. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2014-12-02mmc: sdhci-pci: Add two host capabilities for BYTAdrian Hunter
BYT host controllers are capable of doing the bus width test and of waiting while busy, so add the capability flags. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2014-12-02mmc: sdhci-acpi: Add SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESCAdrian Hunter
SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC actually causes standard-compliant behaviour by causing the flagging of the last DMA transfer descriptor as the end instead of there being an additional nop descriptor which is flagged as the end. Consequently, it is better to have the quirk. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2014-12-02mmc: sdhci-pci: Add SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC to BYTAdrian Hunter
SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC actually causes standard-compliant behaviour by causing the flagging of the last DMA transfer descriptor as the end instead of there being an additional nop descriptor which is flagged as the end. Consequently, it is better to have the quirk. Add it for BYT. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2014-12-02mmc: atmel-mci: use probe deferring if dma controller is not ready yetludovic.desroches@atmel.com
Return probe defer if requesting a dma channel without a dma controller probed. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2014-12-02mmc: atmel-mci: stop using specific initcallludovic.desroches@atmel.com
No more use late initcall to manage probing order. Use probe deferring if needed. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2014-12-02mmc: atmel-mci: remove __init/__exit attributesludovic.desroches@atmel.com
Using __init/__exit attributes can cause several breakages so remove them. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2014-12-02mmc: atmel-mci: remove useless DMA stuff for non-dt devicesludovic.desroches@atmel.com
All devices with a DMA controller are DT compliant and legacy support has been removed. For those reasons, some DMA stuff is useless. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2014-12-02drm/i915: More cautious with pch fifo underrunsDaniel Vetter
Apparently PCH fifo underruns are tricky, we have plenty reports that we see the occasional underrun (especially at boot-up). So for a change let's see what happens when we don't re-enable pch fifo underrun reporting when the pipe is disabled. This means that the kernel can't catch pch fifo underruns when they happen (except when all pipes are on on the pch). But we'll still catch underruns when disabling the pipe again. So not a terrible reduction in test coverage. Since the DRM_ERROR is new and hence a regression plan B would be to revert it back to a debug output. Which would be a lot worse than this hack for underrun test coverage in the wild. See the referenced discussions for more. References: http://mid.gmane.org/CA+gsUGRfGe3t4NcjdeA=qXysrhLY3r4CEu7z4bjTwxi1uOfy+g@mail.gmail.com Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=85898 References: https://bugs.freedesktop.org/show_bug.cgi?id=85898 References: https://bugs.freedesktop.org/show_bug.cgi?id=86233 References: https://bugs.freedesktop.org/show_bug.cgi?id=86478 Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Tested-by: lu hua <huax.lu@intel.com> Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Cc: stable@vger.kernel.org Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2014-12-02ALSA: hda/realtek - Add headset Mic support for new Dell machineKailang Yang
Dell has new machines. It supports headset Mic and Headphone Mic. Signed-off-by: Kailang Yang <kailang@realtek.com> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-12-02Merge tag 'keys-fixes-20141201' of ↵James Morris
git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs into for-linus
2014-12-02nouveau: move the hotplug ignore to correct place.Dave Airlie
Introduced in b440bde74f, however it was added to the wrong function in nouveau. https://bugzilla.kernel.org/show_bug.cgi?id=86011 Cc: Bjorn Helgaas <bhelgaas@google.com> CC: stable@vger.kernel.org # v3.15+ Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-12-02Merge branch 'linux-3.18' of ↵Dave Airlie
git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes Just a couple of fixes for the fallout from the fence rework. * 'linux-3.18' of git://anongit.freedesktop.org/git/nouveau/linux-2.6: drm/nouveau/gf116: remove copy1 engine drm/nouveau: prevent stale fence->channel pointers, and protect with rcu drm/nouveau/fifo/g84-: ack non-stall interrupt before handling it
2014-12-02drm/nouveau/gf116: remove copy1 engineIlia Mirkin
Indications are that no GF116's actually have a copy engine there, but actually have the decompression engine. This engine can be made to do copies, but that should be done separately. Unclear why this didn't turn up on all GF116's, but perhaps the non-mobile ones came with enough VRAM to not trigger ttm migrations in test scenarios. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=85465 Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=59168 Cc: stable@vger.kernel.org Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-12-02drm/nouveau: prevent stale fence->channel pointers, and protect with rcuMaarten Lankhorst
Tested-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-12-02drm/nouveau/fifo/g84-: ack non-stall interrupt before handling itBen Skeggs
Closes a very unlikely race that can occur if another NonStallInterrupt method passes between checking fences and acking the previous interrupt. With this change, the interrupt will re-fire under such conditions. Tested-by: Tobias Klausmann <tobias.johannes.klausmann@mni.thm.de> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-12-01Merge tag 'ext4_for_linus_urgent' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 Pull ext4 bugfix from Ted Ts'o: "Fix an ext4 metadata checksum regression introduced in v3.18-rc3" * tag 'ext4_for_linus_urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: jbd2: fix regression where we fail to initialize checksum seed when loading
2014-12-01jbd2: fix regression where we fail to initialize checksum seed when loadingDarrick J. Wong
When we're enabling journal features, we cannot use the predicate jbd2_journal_has_csum_v2or3() because we haven't yet set the sb feature flag fields! Moreover, we just finished loading the shash driver, so the test is unnecessary; calculate the seed always. Without this patch, we fail to initialize the checksum seed the first time we turn on journal_checksum, which means that all journal blocks written during that first mount are corrupt. Transactions written after the second mount will be fine, since the feature flag will be set in the journal superblock. xfstests generic/{034,321,322} are the regression tests. (This is important for 3.18.) Signed-off-by: Darrick J. Wong <darrick.wong@oracle.coM> Reported-by: Eric Whitney <enwlinux@gmail.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2014-12-01PCI: tegra: Use physical range for I/O mappingThierry Reding
Commit 0b0b0893d49b ("of/pci: Fix the conversion of IO ranges into IO resources") changed how I/O resources are parsed from DT. Rather than containing the physical address of the I/O region, the addresses will now be in I/O address space. On Tegra the union of all ranges is used to expose a top-level memory- mapped resource for the PCI host bridge. This helps to make /proc/iomem more readable. Combining both of the above, the union would now include the I/O space region. This causes a regression on Tegra20, where the physical base address of the PCIe controller (and therefore of the union) is located at physical address 0x80000000. Since I/O space starts at 0, the union will now include all of system RAM which starts at 0x00000000. This commit fixes this by keeping two copies of the I/O range: one that represents the range in the CPU's physical address space, the other for the range in the I/O address space. This allows the translation setup within the driver to reuse the physical addresses. The code registering the I/O region with the PCI core uses both ranges to establish the mapping. Fixes: 0b0b0893d49b ("of/pci: Fix the conversion of IO ranges into IO resources") Reported-by: Marc Zyngier <marc.zyngier@arm.com> Tested-by: Marc Zyngier <marc.zyngier@arm.com> Suggested-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2014-12-01perf report: In branch stack mode use address history sortingAndi Kleen
Enable CCKEY_ADDRESS address history sorting with --branch-history. This makes get_srcline display the source lines correctly, otherwise all history entries for a function a hunked into one. Signed-off-by: Andi Kleen <ak@linux.intel.com> Link: http://lkml.kernel.org/r/1416275935-20971-1-git-send-email-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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