A bunch of fixes, nothing truely horrible:
- Fix PCH irq handling race which resulted in missed gmbus/dp aux irqs
and subsequent fallout (Paulo)
- Fixup off-by-one in our hsw id table (Kenneth)
- Fixup ilk rc6 support (disabled by default), regression introduced in
3.8
- g4x plane w/a from Egbert Eich
- gen2/3/4 dpms suspend/standy fixes for VGA outputs from Patrik Jakobsson
- Workaround dying ivb machines with less aggressive rc6 values (Stéphane
Marchesin)
* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
drm/i915: Turn off hsync and vsync on ADPA when disabling crt
drm/i915: Fix incorrect definition of ADPA HSYNC and VSYNC bits
drm/i915: also disable south interrupts when handling them
drm/i915: enable irqs earlier when resuming
drm/i915: Increase the RC6p threshold.
DRM/i915: On G45 enable cursor plane briefly after enabling the display plane.
drm/i915: Fix Haswell/CRW PCI IDs.
drm/i915: Don't clobber crtc->fb when queue_flip fails
drm/i915: wait_event_timeout's timeout is in jiffies
drm/i915: Fix missing variable initilization
According to PRM we need to disable hsync and vsync even though ADPA is
disabled. The previous code did infact do the opposite so we fix it.
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=56359
Tested-by: max <manikulin@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Disable bits for ADPA HSYNC and VSYNC where mixed up resulting in suspend
becoming standby and vice versa. Fixed by swapping their bit position.
Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From the docs:
"IIR can queue up to two interrupt events. When the IIR is cleared,
it will set itself again after one clock if a second event was
stored."
"Only the rising edge of the PCH Display interrupt will cause the
North Display IIR (DEIIR) PCH Display Interrupt even bit to be set,
so all PCH Display Interrupts, including back to back interrupts,
must be cleared before a new PCH Display interrupt can cause DEIIR
to be set".
The current code works fine because we don't get many interrupts, but
if we enable the PCH FIFO underrun interrupts we'll start getting so
many interrupts that at some point new PCH interrupts won't cause
DEIIR to be set.
The initial implementation I tried was to turn the code that checks
SDEIIR into a loop, but we can still get interrupts even after the
loop is done (and before the irq handler finishes), so we have to
either disable the interrupts or mask them. In the end I concluded
that just disabling the PCH interrupts is enough, you don't even need
the loop, so this is what this patch implements. I've tested it and it
passes the 2 "PCH FIFO underrun interrupt storms" I can reproduce:
the "ironlake_crtc_disable" case and the "wrong watermarks" case.
In other words, here's how to reproduce the problem fixed by this
patch:
1 - Enable PCH FIFO underrun interrupts (SERR_INT on SNB+)
2 - Boot the machine
3 - While booting we'll get tons of PCH FIFO underrun interrupts
4 - Plug a new monitor
5 - Run xrandr, notice it won't detect the new monitor
6 - Read SDEIIR and notice it's not 0 while DEIIR is 0
Q: Can't we just clear DEIIR before SDEIIR?
A: It doesn't work. SDEIIR has to be completely cleared (including the
interrupts stored on its back queue) before it can flip DEIIR's bit to
1 again, and even while you're clearing it you'll be getting more and
more interrupts.
Q: Why does it work by just disabling+enabling the south interrupts?
A: Because when we re-enable them, if there's something on the SDEIIR
register (maybe an interrupt stored on the queue), the re-enabling
will make DEIIR's bit flip to 1, and since we'll already have
interrupts enabled we'll get another interrupt, then run our irq
handler again to process the "back" interrupts.
v2: Even bigger commit message, added code comments.
Note that this fixes missed dp aux irqs which have been reported for
3.9-rc1. This regression has been introduced by switching to
irq-driven dp aux transactions with
commit 9ee32fea5f
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Sat Dec 1 13:53:48 2012 +0100
drm/i915: irq-drive the dp aux communication
References: http://www.mail-archive.com/intel-gfx@lists.freedesktop.org/msg18588.html
References: https://lkml.org/lkml/2013/2/26/769
Tested-by: Imre Deak <imre.deak@intel.com>
Reported-by: Sedat Dilek <sedat.dilek@gmail.com>
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
[danvet: Pimp commit message with references for the dp aux irq
timeout regression this fixes.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
We need it to restore the ilk rc6 context, since the gpu wait no
requires interrupts. But in general having interrupts around should
help in code sanity, since more and more stuff is interrupt driven.
This regression has been introduced in
commit 3e9605018a
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Tue Nov 27 16:22:54 2012 +0000
drm/i915: Rearrange code to only have a single method for waiting upon the ring
Like in the driver load code we need to make sure that hotplug
interrupts don't cause havoc with our modeset state, hence block them
with the existing infrastructure. Again we ignore races where we might
loose hotplug interrupts ...
Note that the driver load part of the regression has already been
fixed in
commit 52d7ecedac
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Sat Dec 1 21:03:22 2012 +0100
drm/i915: reorder setup sequence to have irqs for output setup
v2: Add a note to the commit message about which patch fixed the
driver load part of the regression. Stable kernels need to backport
both patches.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=54691
Cc: stable@vger.kernel.org (for 3.8 only, plese backport
52d7ecedac first)
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Reported-and-Tested-by: Ilya Tumaykin <itumaykin@gmail.com>
Reviewed-by: Chris wilson <chris@chris-wilson.co.uk> (v1)
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This increases GEN6_RC6p_THRESHOLD from 100000 to 150000. For some
reason this avoids the gen6_gt_check_fifodbg.isra warnings and
associated GPU lockups, which makes my ivy bridge machine stable.
Signed-off-by: Stéphane Marchesin <marcheu@chromium.org>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
misc regression fixes from Ben.
* 'drm-nouveau-fixes-3.9' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
drm/nv50-: prevent some races between modesetting and page flipping
drm/nouveau/i2c: drop parent refcount when creating ports
drm/nv84: fix regression in page flipping
drm/nouveau: Fix typo in init_idx_addr_latched().
drm/nouveau: Disable AGP on PowerPC again.
drm/nve0/graph: some random reg moved on kepler
On G45 some low res modes (800x600 and 1024x768) produce a blank
screen when the display plane is enabled with with cursor plane
off.
Experiments showed that this issue occurred when the following
conditions were met:
a. a previous mode had the cursor plane enabled (Xserver).
b. this mode or the previous one was using self refresh. (Thus
the problem was only seen with low res modes).
The screens lit up as soon as the cursor plane got enabled.
Therefore the blank screen occurred only in console mode, not
when running an Xserver.
It also seemed to be necessary to disable self refresh while briefly
enabling the cursor plane.
Signed-off-by: Egbert Eich <eich@suse.com>
Bugzilla: https://bugs.freedesktop.org/attachment.cgi?bugid=61457
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
[danvet: drop spurious whitespace change.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Fixes issue where i2c subdev never gets destroyed due to its subobjects
holding references. This will mean the i2c subdev refcount goes
negative during its destruction, but this isn't an issue in practice.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Fixes script-based modesetting on some LVDS panels.
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Merge tag 'disintegrate-fbdev-20121220' of git://git.infradead.org/users/dhowells/linux-headers
Pull fbdev UAPI disintegration from David Howells:
"You'll be glad to here that the end is nigh for the UAPI patches.
Only the fbdev/framebuffer piece remains now that the SCSI stuff has
gone in.
Here are the UAPI disintegration bits for the fbdev drivers. It
appears that Florian hasn't had time to deal with my patch, but back
in December he did say he didn't mind if I pushed it forward."
Yay. No more uapi movement. And hopefully no more big header file
cleanups coming up either, it just tends to be very painful.
* tag 'disintegrate-fbdev-20121220' of git://git.infradead.org/users/dhowells/linux-headers:
UAPI: (Scripted) Disintegrate include/video
- Update the Xen ACPI memory and CPU hotplug locking mechanism.
- Fix PAT issues wherein various applications would not start
- Fix handling of multiple MSI as AHCI now does it.
- Fix ARM compile failures.
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Merge tag 'stable/for-linus-3.9-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
Pull Xen bug-fixes from Konrad Rzeszutek Wilk:
- Update the Xen ACPI memory and CPU hotplug locking mechanism.
- Fix PAT issues wherein various applications would not start
- Fix handling of multiple MSI as AHCI now does it.
- Fix ARM compile failures.
* tag 'stable/for-linus-3.9-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xenbus: fix compile failure on ARM with Xen enabled
xen/pci: We don't do multiple MSI's.
xen/pat: Disable PAT using pat_enabled value.
xen/acpi: xen cpu hotplug minor updates
xen/acpi: xen memory hotplug minor updates
Pull more VFS bits from Al Viro:
"Unfortunately, it looks like xattr series will have to wait until the
next cycle ;-/
This pile contains 9p cleanups and fixes (races in v9fs_fid_add()
etc), fixup for nommu breakage in shmem.c, several cleanups and a bit
more file_inode() work"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
constify path_get/path_put and fs_struct.c stuff
fix nommu breakage in shmem.c
cache the value of file_inode() in struct file
9p: if v9fs_fid_lookup() gets to asking server, it'd better have hashed dentry
9p: make sure ->lookup() adds fid to the right dentry
9p: untangle ->lookup() a bit
9p: double iput() in ->lookup() if d_materialise_unique() fails
9p: v9fs_fid_add() can't fail now
v9fs: get rid of v9fs_dentry
9p: turn fid->dlist into hlist
9p: don't bother with private lock in ->d_fsdata; dentry->d_lock will do just fine
more file_inode() open-coded instances
selinux: opened file can't have NULL or negative ->f_path.dentry
(In the meantime, the hlist traversal macros have changed, so this
required a semantic conflict fixup for the newly hlistified fid->dlist)
Pull btrfs fixup from Chris Mason:
"Geert and James both sent this one in, sorry guys"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
btrfs/raid56: Add missing #include <linux/vmalloc.h>
Pull second set of s390 patches from Martin Schwidefsky:
"The main part of this merge are Heikos uaccess patches. Together with
commit 0988496433 ("mm: do not grow the stack vma just because of an
overrun on preceding vma") the user string access is hopefully fixed
for good.
In addition some bug fixes and two cleanup patches."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/module: fix compile warning
qdio: remove unused parameters
s390/uaccess: fix kernel ds access for page table walk
s390/uaccess: fix strncpy_from_user string length check
input: disable i8042 PC Keyboard controller for s390
s390/dis: Fix invalid array size
s390/uaccess: remove pointless access_ok() checks
s390/uaccess: fix strncpy_from_user/strnlen_user zero maxlen case
s390/uaccess: shorten strncpy_from_user/strnlen_user
s390/dasd: fix unresponsive device after all channel paths were lost
s390/mm: ignore change bit for vmemmap
s390/page table dumper: add support for change-recording override bit
Pull second round of PARISC updates from Helge Deller:
"The most important fix in this branch is the switch of io_setup,
io_getevents and io_submit syscalls to use the available compat
syscalls when running 32bit userspace on 64bit kernel. Other than
that it's mostly removal of compile warnings."
* 'fixes-for-3.9-latest' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: fix redefinition of SET_PERSONALITY
parisc: do not install modules when installing kernel
parisc: fix compile warnings triggered by atomic_sub(sizeof(),v)
parisc: check return value of down_interruptible() in hp_sdc_rtc.c
parisc: avoid unitialized variable warning in pa_memcpy()
parisc: remove unused variable 'compat_val'
parisc: switch to compat_functions of io_setup, io_getevents and io_submit
parisc: select ARCH_WANT_FRAME_POINTERS
This adds core architecture support for Imagination's Meta processor
cores, followed by some later miscellaneous arch/metag cleanups and
fixes which I kept separate to ease review:
- Support for basic Meta 1 (ATP) and Meta 2 (HTP) core architecture
- A few fixes all over, particularly for symbol prefixes
- A few privilege protection fixes
- Several cleanups (setup.c includes, split out a lot of metag_ksyms.c)
- Fix some missing exports
- Convert hugetlb to use vm_unmapped_area()
- Copy device tree to non-init memory
- Provide dma_get_sgtable()
Signed-off-by: James Hogan <james.hogan@imgtec.com>
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Merge tag 'metag-v3.9-rc1-v4' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag
Pull new ImgTec Meta architecture from James Hogan:
"This adds core architecture support for Imagination's Meta processor
cores, followed by some later miscellaneous arch/metag cleanups and
fixes which I kept separate to ease review:
- Support for basic Meta 1 (ATP) and Meta 2 (HTP) core architecture
- A few fixes all over, particularly for symbol prefixes
- A few privilege protection fixes
- Several cleanups (setup.c includes, split out a lot of
metag_ksyms.c)
- Fix some missing exports
- Convert hugetlb to use vm_unmapped_area()
- Copy device tree to non-init memory
- Provide dma_get_sgtable()"
* tag 'metag-v3.9-rc1-v4' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag: (61 commits)
metag: Provide dma_get_sgtable()
metag: prom.h: remove declaration of metag_dt_memblock_reserve()
metag: copy devicetree to non-init memory
metag: cleanup metag_ksyms.c includes
metag: move mm/init.c exports out of metag_ksyms.c
metag: move usercopy.c exports out of metag_ksyms.c
metag: move setup.c exports out of metag_ksyms.c
metag: move kick.c exports out of metag_ksyms.c
metag: move traps.c exports out of metag_ksyms.c
metag: move irq enable out of irqflags.h on SMP
genksyms: fix metag symbol prefix on crc symbols
metag: hugetlb: convert to vm_unmapped_area()
metag: export clear_page and copy_page
metag: export metag_code_cache_flush_all
metag: protect more non-MMU memory regions
metag: make TXPRIVEXT bits explicit
metag: kernel/setup.c: sort includes
perf: Enable building perf tools for Meta
metag: add boot time LNKGET/LNKSET check
metag: add __init to metag_cache_probe()
...
Pull late ARM updates from Russell King:
"Here is the late set of ARM updates for this merge window; in here is:
- The ARM parts of the broadcast timer support, core parts merged
through tglx's tree. This was left over from the previous merge to
allow the dependency on tglx's tree to be resolved.
- A fix to the VFP code which shows up on Raspberry Pi's, as well as
fixing the fallout from a previous commit in this area.
- A number of smaller fixes scattered throughout the ARM tree"
* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm:
ARM: Fix broken commit 0cc41e4a21 corrupting kernel messages
ARM: fix scheduling while atomic warning in alignment handling code
ARM: VFP: fix emulation of second VFP instruction
ARM: 7656/1: uImage: Error out on build of multiplatform without LOADADDR
ARM: 7640/1: memory: tegra_ahb_enable_smmu() depends on TEGRA_IOMMU_SMMU
ARM: 7654/1: Preserve L_PTE_VALID in pte_modify()
ARM: 7653/2: do not scale loops_per_jiffy when using a constant delay clock
ARM: 7651/1: remove unused smp_timer_broadcast #define
The second digit was off by one, which meant we accidentally treated
GT(n) as GT(n-1). This also meant no support for GT1 at all.
Cc: stable@kernel.org
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Restore crtc->fb to the old framebuffer if queue_flip fails.
While at it, kill the pointless intel_fb temp variable.
v2: Update crtc->fb before queue_flip and restore it back
after a failure.
Cc: stable@vger.kernel.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reported-and-Tested-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Here is one remaining patch for 3.9-rc1. It is for the hyper-v drivers, and
had to wait until some other patches went in through the x86 tree.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc patch from Greg Kroah-Hartman:
"Here is one remaining patch for 3.9-rc1. It is for the hyper-v
drivers, and had to wait until some other patches went in through the
x86 tree."
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* tag 'char-misc-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
Drivers: hv: vmbus: Use the new infrastructure for delivering VMBUS interrupts
Here is one remaining USB patch for 3.9-rc1, it reverts a 3.8 patch that has
caused a lot of regressions for some VIA EHCI controllers.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB patch revert from Greg Kroah-Hartman:
"Here is one remaining USB patch for 3.9-rc1, it reverts a 3.8 patch
that has caused a lot of regressions for some VIA EHCI controllers."
* tag 'usb-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: EHCI: revert "remove ASS/PSS polling timeout"
Pull watchdog updates from Wim Van Sebroeck:
"This contains:
- fixes and improvements
- devicetree bindings
- conversion to watchdog generic framework of the following drivers:
- booke_wdt
- bcm47xx_wdt.c
- at91sam9_wdt
- Removal of old STMP3xxx driver
- Addition of following new drivers:
- new driver for STMP3xxx and i.MX23/28
- Retu watchdog driver"
* git://www.linux-watchdog.org/linux-watchdog: (30 commits)
watchdog: sp805_wdt depends on ARM
watchdog: davinci_wdt: update to devm_* API
watchdog: davinci_wdt: use devm managed clk get
watchdog: at91rm9200: add DT support
watchdog: add timeout-sec property binding
watchdog: at91sam9_wdt: Convert to use the watchdog framework
watchdog: omap_wdt: Add option nowayout
watchdog: core: dt: add support for the timeout-sec dt property
watchdog: bcm47xx_wdt.c: add hard timer
watchdog: bcm47xx_wdt.c: rename wdt_time to timeout
watchdog: bcm47xx_wdt.c: rename ops methods
watchdog: bcm47xx_wdt.c: use platform device
watchdog: bcm47xx_wdt.c: convert to watchdog core api
watchdog: Convert BookE watchdog driver to watchdog infrastructure
watchdog: s3c2410_wdt: Use devm_* functions
watchdog: remove old STMP3xxx driver
watchdog: add new driver for STMP3xxx and i.MX23/28
rtc: stmp3xxx: add wdt-accessor function
watchdog: introduce retu_wdt driver
watchdog: intel_scu_watchdog: fix Kconfig dependency
...
Pull second set of slave-dmaengine updates from Vinod Koul:
"Arnd's patch moves the dw_dmac to use generic DMA binding. I agreed
to merge this late as it will avoid the conflicts between trees.
The second patch from Matt adding a dma_request_slave_channel_compat
API was supposed to be picked up, but somehow never got picked up.
Some patches dependent on this are already in -next :("
* 'next' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: dw_dmac: move to generic DMA binding
dmaengine: add dma_request_slave_channel_compat()
Pull x86 platform driver updates from Matthew Garrett:
"Mostly relatively small updates, along with some hardware enablement
for Sony hardware and a pile of updates to Google's Chromebook driver"
* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86: (49 commits)
ideapad-laptop: Depend on BACKLIGHT_CLASS_DEVICE instead of selecting it
ideapad: depends on backlight subsystem and update comment
Platform: x86: chromeos_laptop - add i915 gmbuses to adapter names
Platform: x86: chromeos_laptop - Add isl light sensor for Pixel
Platform: x86: chromeos_laptop - Add a more general add_i2c_device
Platform: x86: chromeos_laptop - Add Pixel Touchscreen
Platform: x86: chromeos_laptop - Add support for probing devices
Platform: x86: chromeos_laptop - Add Pixel Trackpad
hp-wmi: fix handling of platform device
sony-laptop: leak in error handling sony_nc_lid_resume_setup()
hp-wmi: Add support for SMBus hotkeys
asus-wmi: Fix unused function build warning
acer-wmi: avoid the warning of 'devices' may be used uninitialized
drivers/platform/x86/thinkpad_acpi.c: Handle HKEY event 0x6040
Platform: x86: chromeos_laptop - Add HP Pavilion 14
Platform: x86: chromeos_laptop - Add Taos tsl2583 device
Platform: x86: chromeos_laptop - Add Taos tsl2563 device
Platform: x86: chromeos_laptop - Add Acer C7 trackpad
Platform: x86: chromeos_laptop - Rename setup_lumpy_tp to setup_cyapa_smbus_tp
asus-laptop: always report brightness key events
...
So use msecs_to_jiffies(10) to make the timeout the same as in the
"!has_aux_irq" case.
This patch was initially written by Daniel Vetter and posted on
pastebin a few weeks ago. I'm just bringing it to the mailing list.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Need to initialize the variable wait to false.
Signed-off-by: Syam Sidhardhan <s.syam@samsung.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
tilegx_defconfig:
fs/btrfs/raid56.c: In function 'btrfs_alloc_stripe_hash_table':
fs/btrfs/raid56.c:206:3: error: implicit declaration of function 'vzalloc' [-Werror=implicit-function-declaration]
fs/btrfs/raid56.c:206:9: warning: assignment makes pointer from integer without a cast [enabled by default]
fs/btrfs/raid56.c:226:4: error: implicit declaration of function 'vfree' [-Werror=implicit-function-declaration]
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
extent cache's slab shrinker which can cause significant, user-visible
pauses when the system is under memory pressure.
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 bug fixes from Ted Ts'o:
"Various bug fixes for ext4. The most important is a fix for the new
extent cache's slab shrinker which can cause significant, user-visible
pauses when the system is under memory pressure."
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: enable quotas before orphan cleanup
ext4: don't allow quota mount options when quota feature enabled
ext4: fix a warning from sparse check for ext4_dir_llseek
ext4: convert number of blocks to clusters properly
ext4: fix possible memory leak in ext4_remount()
jbd2: fix ERR_PTR dereference in jbd2__journal_start
ext4: use percpu counter for extent cache count
ext4: optimize ext4_es_shrink()
Pull sigprocmask compat fix from Al Viro:
"generic compat_sys_rt_sigprocmask() had a very dumb braino; I'd spent
quite a while staring at the offending commit before finally managing
to spot the idiocy ;-/"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal:
fix compat_sys_rt_sigprocmask()
Converting bitmask to 32bit granularity is fine, but we'd better
_do_ something with the result. Such as "copy it to userland"...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
- Don't allow NFS silly-renamed files to be deleted
- Don't start the retransmission timer when out of socket space
- Fix a couple of pnfs-related Oopses.
- Fix one more NFSv4 state recovery deadlock
- Don't loop forever when LAYOUTGET returns NFS4ERR_LAYOUTTRYLATER
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Merge tag 'nfs-for-3.9-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client bugfixes from Trond Myklebust:
"We've just concluded another Connectathon interoperability testing
week, and so here are the fixes for the bugs that were discovered:
- Don't allow NFS silly-renamed files to be deleted
- Don't start the retransmission timer when out of socket space
- Fix a couple of pnfs-related Oopses.
- Fix one more NFSv4 state recovery deadlock
- Don't loop forever when LAYOUTGET returns NFS4ERR_LAYOUTTRYLATER"
* tag 'nfs-for-3.9-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
SUNRPC: One line comment fix
NFSv4.1: LAYOUTGET EDELAY loops timeout to the MDS
SUNRPC: add call to get configured timeout
PNFS: set the default DS timeout to 60 seconds
NFSv4: Fix another open/open_recovery deadlock
nfs: don't allow nfs_find_actor to match inodes of the wrong type
NFSv4.1: Hold reference to layout hdr in layoutget
pnfs: fix resend_to_mds for directio
SUNRPC: Don't start the retransmission timer when out of socket space
NFS: Don't allow NFS silly-renamed files to be deleted, no signal
Pull btrfs update from Chris Mason:
"The biggest feature in the pull is the new (and still experimental)
raid56 code that David Woodhouse started long ago. I'm still working
on the parity logging setup that will avoid inconsistent parity after
a crash, so this is only for testing right now. But, I'd really like
to get it out to a broader audience to hammer out any performance
issues or other problems.
scrub does not yet correct errors on raid5/6 either.
Josef has another pass at fsync performance. The big change here is
to combine waiting for metadata with waiting for data, which is a big
latency win. It is also step one toward using atomics from the
hardware during a commit.
Mark Fasheh has a new way to use btrfs send/receive to send only the
metadata changes. SUSE is using this to make snapper more efficient
at finding changes between snapshosts.
Snapshot-aware defrag is also included.
Otherwise we have a large number of fixes and cleanups. Eric Sandeen
wins the award for removing the most lines, and I'm hoping we steal
this idea from XFS over and over again."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (118 commits)
btrfs: fixup/remove module.h usage as required
Btrfs: delete inline extents when we find them during logging
btrfs: try harder to allocate raid56 stripe cache
Btrfs: cleanup to make the function btrfs_delalloc_reserve_metadata more logic
Btrfs: don't call btrfs_qgroup_free if just btrfs_qgroup_reserve fails
Btrfs: remove reduplicate check about root in the function btrfs_clean_quota_tree
Btrfs: return ENOMEM rather than use BUG_ON when btrfs_alloc_path fails
Btrfs: fix missing deleted items in btrfs_clean_quota_tree
btrfs: use only inline_pages from extent buffer
Btrfs: fix wrong reserved space when deleting a snapshot/subvolume
Btrfs: fix wrong reserved space in qgroup during snap/subv creation
Btrfs: remove unnecessary dget_parent/dput when creating the pending snapshot
btrfs: remove a printk from scan_one_device
Btrfs: fix NULL pointer after aborting a transaction
Btrfs: fix memory leak of log roots
Btrfs: copy everything if we've created an inline extent
btrfs: cleanup for open-coded alignment
Btrfs: do not change inode flags in rename
Btrfs: use reserved space for creating a snapshot
clear chunk_alloc flag on retryable failure
...
* misc clean-ups in the MTD command-line partitioning parser (cmdlinepart)
* add flash locking support for STmicro chips serial flash chips, as well as
for CFI command set 2 chips.
* new driver for the ELM error correction HW module found in various TI chips,
enable the OMAP NAND driver to use the ELM HW error correction
* added number of new serial flash IDs
* various fixes and improvements in the gpmi NAND driver
* bcm47xx NAND driver improvements
* make the mtdpart module actually removable
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Merge tag 'for-linus-20130301' of git://git.infradead.org/linux-mtd
Pull MTD update from David Woodhouse:
"Fairly unexciting MTD merge for 3.9:
- misc clean-ups in the MTD command-line partitioning parser
(cmdlinepart)
- add flash locking support for STmicro chips serial flash chips, as
well as for CFI command set 2 chips.
- new driver for the ELM error correction HW module found in various
TI chips, enable the OMAP NAND driver to use the ELM HW error
correction
- added number of new serial flash IDs
- various fixes and improvements in the gpmi NAND driver
- bcm47xx NAND driver improvements
- make the mtdpart module actually removable"
* tag 'for-linus-20130301' of git://git.infradead.org/linux-mtd: (45 commits)
mtd: map: BUG() in non handled cases
mtd: bcm47xxnflash: use pr_fmt for module prefix in messages
mtd: davinci_nand: Use managed resources
mtd: mtd_torturetest can cause stack overflows
mtd: physmap_of: Convert device allocation to managed devm_kzalloc()
mtd: at91: atmel_nand: for PMECC, add code to check the ONFI parameter ECC requirement.
mtd: atmel_nand: make pmecc-cap, pmecc-sector-size in dts is optional.
mtd: atmel_nand: avoid to report an error when lookup table offset is 0.
mtd: bcm47xxsflash: adjust names of bus-specific functions
mtd: bcm47xxpart: improve probing of nvram partition
mtd: bcm47xxpart: add support for other erase sizes
mtd: bcm47xxnflash: register this as normal driver
mtd: bcm47xxnflash: fix message
mtd: bcm47xxsflash: register this as normal driver
mtd: bcm47xxsflash: write number of written bytes
mtd: gpmi: add sanity check for the ECC
mtd: gpmi: set the Golois Field bit for mx6q's BCH
mtd: devices: elm: Removes <xx> literals in elm DT node
mtd: gpmi: fix a dereferencing freed memory error
mtd: fix the wrong timeo for panic_nand_wait()
...
When using quota feature we need to enable quotas before orphan cleanup
so that changes happening during it are properly reflected in quota
accounting.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
So far we silently ignored when quota mount options were set while quota
feature was enabled. But this can create confusion in userspace when
mount options are set but silently ignored and also creates opportunities
for bugs when we don't properly test all quota types. Actually
ext4_mark_dquot_dirty() forgets to test for quota feature so it was
dependent on journaled quota options being set. OTOH ext4_orphan_cleanup()
tries to enable journaled quota when quota options are specified which is
wrong when quota feature is enabled.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
ext4_dir_llseek is only used as a callback function, and no one calls
it directly. So make it as a static function in order to remove a
warning message from sparse check.
Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
We're using macro EXT4_B2C() to convert number of blocks to number of
clusters for bigalloc file systems. However, we should be using
EXT4_NUM_B2C().
Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@vger.kernel.org
'orig_data' is malloced in ext4_remount() and should be freed
before leaving from the error handling cases, otherwise it will
cause memory leak.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Lukas Czerner <lczerner@redhat.com>
Cc: stable@vger.kernel.org
metag/allmodconfig:
drivers/media/v4l2-core/videobuf2-dma-contig.c: In function 'vb2_dc_get_base_sgt':
drivers/media/v4l2-core/videobuf2-dma-contig.c:387: error: implicit declaration of function 'dma_get_sgtable'
For architectures using dma_map_ops, dma_get_sgtable() is provided in
<asm-generic/dma-mapping-common.h>.
Metag does not use dma_map_ops yet, hence it should implement it as an
inline stub using dma_common_get_sgtable().
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Metag doesn't have a metag_dt_memblock_reserve() function so remove the
declaration from asm/prom.h.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Make a copy of the device tree blob in non-init memory. It is required
when using built-in device tree files that the platform code copies the
blob to non-init memory prior to calling unflatten_device_tree(),
otherwise the strings that the device tree refer to will get poisoned
and potentially reused, breaking later reading of the device tree
post-init (such as compatible matching in modules, debugfs, and the
procfs interface).
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Reviewed-by: Vineet Gupta <vgupta@synopsys.com>
