Always set io->error to -EIO when an error is detected in dm-crypt.
There were cases where an error code would be set only if we finish
processing the last sector. If there were other encryption operations in
flight, the error would be ignored and bio would be returned with
success as if no error happened.
This bug is present in kcryptd_crypt_write_convert, kcryptd_crypt_read_convert
and kcryptd_async_done.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@kernel.org
Reviewed-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This patch fixes a possible deadlock in dm-crypt's mempool use.
Currently, dm-crypt reserves a mempool of MIN_BIO_PAGES reserved pages.
It allocates first MIN_BIO_PAGES with non-failing allocation (the allocation
cannot fail and waits until the mempool is refilled). Further pages are
allocated with different gfp flags that allow failing.
Because allocations may be done in parallel, this code can deadlock. Example:
There are two processes, each tries to allocate MIN_BIO_PAGES and the processes
run simultaneously.
It may end up in a situation where each process allocates (MIN_BIO_PAGES / 2)
pages. The mempool is exhausted. Each process waits for more pages to be freed
to the mempool, which never happens.
To avoid this deadlock scenario, this patch changes the code so that only
the first page is allocated with non-failing gfp mask. Allocation of further
pages may fail.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Call the correct exit function on failure in dm_exception_store_init.
Signed-off-by: Andrei Warkentin <andrey.warkentin@gmail.com>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
It includes:
- drivers for Samsung Exynos MIPI DSI and display port
- i740fb to support those old Intel chips
- large updates to OMAP, viafb and sh_mobile_lcdcfb
- some updates to s3c-fb and udlfb, few patches to others
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Merge tag 'fbdev-updates-for-3.4' of git://github.com/schandinat/linux-2.6
Pull fbdev updates for 3.4 from Florian Tobias Schandinat:
- drivers for Samsung Exynos MIPI DSI and display port
- i740fb to support those old Intel chips
- large updates to OMAP, viafb and sh_mobile_lcdcfb
- some updates to s3c-fb and udlfb, few patches to others
Fix up conflicts in drivers/video/udlfb.c due to Key Sievers' fix making
it in twice.
* tag 'fbdev-updates-for-3.4' of git://github.com/schandinat/linux-2.6: (156 commits)
Revert "video:uvesafb: Fix oops that uvesafb try to execute NX-protected page"
OMAPDSS: register dss drivers in module init
video: pxafb: add clk_prepare/clk_unprepare calls
fbdev: bfin_adv7393fb: Drop needless include
fbdev: sh_mipi_dsi: add extra phyctrl for sh_mipi_dsi_info
fbdev: remove dependency of FB_SH_MOBILE_MERAM from FB_SH_MOBILE_LCDC
Revert "MAINTAINERS: add entry for exynos mipi display drivers"
fbdev: da8xx: add support for SP10Q010 display
fbdev: da8xx:: fix reporting of the display timing info
drivers/video/pvr2fb.c: ensure arguments to request_irq and free_irq are compatible
OMAPDSS: APPLY: fix clearing shadow dirty flag with manual update
fbdev: sh_mobile_meram: Implement system suspend/resume
fbdev: sh_mobile_meram: Remove unneeded sanity checks
fbdev: sh_mobile_meram: Don't perform update in register operation
arm: mach-shmobile: Constify sh_mobile_meram_cfg structures
fbdev: sh_mobile_lcdc: Don't store copy of platform data
fbdev: sh_mobile_meram: Remove unused sh_mobile_meram_icb_cfg fields
arm: mach-shmobile: Don't set MERAM ICB numbers in platform data
fbdev: sh_mobile_meram: Allocate ICBs automatically
fbdev: sh_mobile_meram: Use genalloc to manage MERAM allocation
...
seeing a trickle of new features coming in they're getting much smaller
than they were. It's also nice to have some features which support
other subsystems building infrastructure on top of regmap. Highlights
include:
- Support for padding between the register and the value when
interacting with the device, sometimes needed for fast interfaces.
- Support for applying register updates to the device when restoring the
register state. This is intended to be used to apply updates supplied by
manufacturers for tuning the performance of the device (many of which
are to undocumented registers which aren't otherwise covered).
- Support for multi-register operations on cached registers.
- Support for syncing only part of the register cache.
- Stubs and parameter query functions intended to make it easier for other
subsystems to build infrastructure on top of the regmap API.
plus a few driver updates making use of the new features which it was
easier to merge via this tree.
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Merge tag 'regmap-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"Things are really quieting down with the regmap API, while we're still
seeing a trickle of new features coming in they're getting much
smaller than they were. It's also nice to have some features which
support other subsystems building infrastructure on top of regmap.
Highlights include:
- Support for padding between the register and the value when
interacting with the device, sometimes needed for fast interfaces.
- Support for applying register updates to the device when restoring
the register state. This is intended to be used to apply updates
supplied by manufacturers for tuning the performance of the device
(many of which are to undocumented registers which aren't otherwise
covered).
- Support for multi-register operations on cached registers.
- Support for syncing only part of the register cache.
- Stubs and parameter query functions intended to make it easier for
other subsystems to build infrastructure on top of the regmap API.
plus a few driver updates making use of the new features which it was
easier to merge via this tree."
* tag 'regmap-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: (41 commits)
regmap: Fix future missing prototype of devres_alloc() and friends
regmap: Rejig struct declarations for stubbed API
regmap: Fix rbtree block base in sync
regcache: Make sure we sync register 0 in an rbtree cache
regmap: delete unused module.h from drivers/base/regmap files
regmap: Add stub for regcache_sync_region()
mfd: Improve performance of later WM1811 revisions
regmap: Fix x86_64 breakage
regmap: Allow drivers to sync only part of the register cache
regmap: Supply ranges to the sync operations
regmap: Add tracepoints for cache only and cache bypass
regmap: Mark the cache as clean after a successful sync
regmap: Remove default cache sync implementation
regmap: Skip hardware defaults for LZO caches
regmap: Expose the driver name in debugfs
mfd: wm8400: Convert to devm_regmap_init_i2c()
mfd: wm831x: Convert to devm_regmap_init()
mfd: wm8994: Convert to devm_regmap_init()
mfd/ASoC: Convert WM8994 driver to use regmap patches
mfd: Add __devinit and __devexit annotations in wm8994
...
- Some SBP-2 initiator fixes, side product from ongoing work on a target.
- Reintroduction of an isochronous I/O feature of the older ieee1394 driver
stack (flush buffer completions); it was evidently rarely used but not
actually unused. Matching libraw1394 code is already available.
- Be sure to prefix all kernel log messages with device name or card name,
and other logging related cleanups.
- Misc other small cleanups, among them a small API change that affects
sound/firewire/ too.
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Merge tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull IEEE 1394 (FireWire) subsystem updates post v3.3 from Stefan Richter:
- Some SBP-2 initiator fixes, side product from ongoing work on a target.
- Reintroduction of an isochronous I/O feature of the older ieee1394 driver
stack (flush buffer completions); it was evidently rarely used but not
actually unused. Matching libraw1394 code is already available.
- Be sure to prefix all kernel log messages with device name or card name,
and other logging related cleanups.
- Misc other small cleanups, among them a small API change that affects
sound/firewire/ too. Clemens Ladisch is aware of it.
* tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394: (26 commits)
firewire: allow explicit flushing of iso packet completions
firewire: prevent dropping of completed iso packet header data
firewire: ohci: factor out iso completion flushing code
firewire: ohci: simplify iso header pointer arithmetic
firewire: ohci: optimize control bit checks
firewire: ohci: remove unused excess_bytes field
firewire: ohci: copy_iso_headers(): make comment match the code
firewire: cdev: fix IR multichannel event documentation
firewire: ohci: fix too-early completion of IR multichannel buffers
firewire: ohci: move runtime debug facility out of #ifdef
firewire: tone down some diagnostic log messages
firewire: sbp2: replace a GFP_ATOMIC allocation
firewire: sbp2: Fix SCSI sense data mangling
firewire: sbp2: Ignore SBP-2 targets on the local node
firewire: sbp2: Take into account Unit_Unique_ID
firewire: nosy: Use the macro DMA_BIT_MASK().
firewire: core: convert AR-req handler lock from _irqsave to _bh
firewire: core: fix race at address_handler unregistration
firewire: core: remove obsolete comment
firewire: core: prefix log messages with card name
...
- Switches the PXA 168, 910 and MMP over to use pinctrl
- Locking revamped
- Massive refactorings...
- Reform the driver API to use multiple states
- Support pin config in the mapping tables
- Pinctrl drivers for the nVidia Tegra series
- Generic pin config support lib for simple pin controllers
- Implement pin config for the U300
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Merge tag 'pinctrl-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pinctrl updates for v3.4 from Linus Walleij (*):
- Switches the PXA 168, 910 and MMP over to use pinctrl
- Locking revamped
- Massive refactorings...
- Reform the driver API to use multiple states
- Support pin config in the mapping tables
- Pinctrl drivers for the nVidia Tegra series
- Generic pin config support lib for simple pin controllers
- Implement pin config for the U300
* tag 'pinctrl-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (48 commits)
ARM: u300: configure some pins as an example
pinctrl: support pinconfig on the U300
pinctrl/coh901: use generic pinconf enums and parameters
pinctrl: introduce generic pin config
pinctrl: fix error path in pinconf_map_to_setting()
pinctrl: allow concurrent gpio and mux function ownership of pins
pinctrl: forward-declare struct device
pinctrl: split pincontrol states into its own header
pinctrl: include machine header to core.h
ARM: tegra: Select PINCTRL Kconfig variables
pinctrl: add a driver for NVIDIA Tegra
pinctrl: Show selected function and group in pinmux-pins debugfs
pinctrl: enhance mapping table to support pin config operations
pinctrl: API changes to support multiple states per device
pinctrl: add usecount to pins for muxing
pinctrl: refactor struct pinctrl handling in core.c vs pinmux.c
pinctrl: fix and simplify locking
pinctrl: fix the pin descriptor kerneldoc
pinctrl: assume map table entries can't have a NULL name field
pinctrl: introduce PINCTRL_STATE_DEFAULT, define hogs as that state
...
(*) What is it with all these Linuses these days? There's a Linus at
google too. Some day I will get myself my own broadsword, and run
around screaming "There can be only one".
I used to be _special_ dammit. Snif.
broke on deployed hardware. Make new behavior optional, rather than
default, turning it on only for specific embedded platforms that need this.
Everybody else runs in the famous "non conformant but working" mode.
2) pata_cmd64x, pata_legacy cleanups
3) new Intel SATA PCI IDs
4) misc minor vendor feature additions
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
Pull libata updates from Jeff Garzik:
1) AHCI regression fix. A recent "make driver conform to spec" change
broke on deployed hardware. Make new behavior optional, rather than
default, turning it on only for specific embedded platforms that
need this.
Everybody else runs in the famous "non conformant but working" mode.
2) pata_cmd64x, pata_legacy cleanups
3) new Intel SATA PCI IDs
4) misc minor vendor feature additions
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
pata_cmd64x: implement sff_irq_check() method
pata_cmd64x: implement sff_irq_clear() method
pata_cmd64x: use interrupt status from MRDMODE register
pata_cmd64x: turn string of *if* statements into *switch*
drivers/ata/pata_mpc52xx.c: clean up error handling code
ahci_platform: add STRICT_AHCI platform type
ahci: move AHCI_HFLAGS() macro to ahci.h
ahci: add AHCI_HFLAG_DELAY_ENGINE host flag
sata_fsl: add support for interrupt coalsecing feature
ata/pata_arasan_cf: Add Hibernation support
pata_legacy: correctly mask recovery field for HT6560B
ata_piix: IDE-mode SATA patch for Intel Lynx Point DeviceIDs
ahci: AHCI-mode SATA patch for Intel Lynx Point DeviceIDs
Pull input subsystem updates from Dmitry Torokhov:
"- we finally merged driver for USB version of Synaptics touchpads
(I guess most commonly found in IBM/Lenovo keyboard/touchpad combo);
- a bunch of new drivers for embedded platforms (Cypress
touchscreens, DA9052 OnKey, MAX8997-haptic, Ilitek ILI210x
touchscreens, TI touchscreen);
- input core allows clients to specify desired clock source for
timestamps on input events (EVIOCSCLOCKID ioctl);
- input core allows querying state of all MT slots for given event
code via EVIOCGMTSLOTS ioctl;
- various driver fixes and improvements."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (45 commits)
Input: ili210x - add support for Ilitek ILI210x based touchscreens
Input: altera_ps2 - use of_match_ptr()
Input: synaptics_usb - switch to module_usb_driver()
Input: convert I2C drivers to use module_i2c_driver()
Input: convert SPI drivers to use module_spi_driver()
Input: omap4-keypad - move platform_data to <linux/platform_data>
Input: kxtj9 - who_am_i check value and initial data rate fixes
Input: add driver support for MAX8997-haptic
Input: tegra-kbc - revise device tree support
Input: of_keymap - add device tree bindings for simple key matrices
Input: wacom - fix physical size calculation for 3rd-gen Bamboo
Input: twl4030-vibra - really switch from #if to #ifdef
Input: hp680_ts_input - ensure arguments to request_irq and free_irq are compatible
Input: max8925_onkey - avoid accessing input device too early
Input: max8925_onkey - allow to be used as a wakeup source
Input: atmel-wm97xx - convert to dev_pm_ops
Input: atmel-wm97xx - set driver owner
Input: add cyttsp touchscreen maintainer entry
Input: cyttsp - remove useless checks in cyttsp_probe()
Input: usbtouchscreen - add support for Data Modul EasyTouch TP 72037
...
Pull crypto fixes from Herbert Xu:
"This fixes a build problem where two crypto modules both try to export
the same symbols (which shouldn't have been exported in the first
place)."
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: twofish-x86_64-3way - module init/exit functions should be static
crypto: camellia-x86_64 - module init/exit functions should be static
- PV multiconsole support, so that there can be hvc1, hvc2, etc;
- P-state and C-state power management driver that uploads said
power management data to the hypervisor. It also inhibits cpufreq
scaling drivers to load so that only the hypervisor can make power
management decisions - fixing a weird perf bug.
- Function Level Reset (FLR) support in the Xen PCI backend.
Fixes:
- Kconfig dependencies for Xen PV keyboard and video
- Compile warnings and constify fixes
- Change over to use percpu_xxx instead of this_cpu_xxx
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Merge tag 'stable/for-linus-3.4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
Pull xen updates from Konrad Rzeszutek Wilk:
"which has three neat features:
- PV multiconsole support, so that there can be hvc1, hvc2, etc; This
can be used in HVM and in PV mode.
- P-state and C-state power management driver that uploads said power
management data to the hypervisor. It also inhibits cpufreq
scaling drivers to load so that only the hypervisor can make power
management decisions - fixing a weird perf bug.
There is one thing in the Kconfig that you won't like: "default y
if (X86_ACPI_CPUFREQ = y || X86_POWERNOW_K8 = y)" (note, that it
all depends on CONFIG_XEN which depends on CONFIG_PARAVIRT which by
default is off). I've a fix to convert that boolean expression
into "default m" which I am going to post after the cpufreq git
pull - as the two patches to make this work depend on a fix in Dave
Jones's tree.
- Function Level Reset (FLR) support in the Xen PCI backend.
Fixes:
- Kconfig dependencies for Xen PV keyboard and video
- Compile warnings and constify fixes
- Change over to use percpu_xxx instead of this_cpu_xxx"
Fix up trivial conflicts in drivers/tty/hvc/hvc_xen.c due to changes to
a removed commit.
* tag 'stable/for-linus-3.4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen kconfig: relax INPUT_XEN_KBDDEV_FRONTEND deps
xen/acpi-processor: C and P-state driver that uploads said data to hypervisor.
xen: constify all instances of "struct attribute_group"
xen/xenbus: ignore console/0
hvc_xen: introduce HVC_XEN_FRONTEND
hvc_xen: implement multiconsole support
hvc_xen: support PV on HVM consoles
xenbus: don't free other end details too early
xen/enlighten: Expose MWAIT and MWAIT_LEAF if hypervisor OKs it.
xen/setup/pm/acpi: Remove the call to boot_option_idle_override.
xenbus: address compiler warnings
xen: use this_cpu_xxx replace percpu_xxx funcs
xen/pciback: Support pci_reset_function, aka FLR or D3 support.
pci: Introduce __pci_reset_function_locked to be used when holding device_lock.
xen: Utilize the restore_msi_irqs hook.
into debugfs, and use __read_mostly as neccessary.
Also add a MAINTAINER file for cleancache API files.
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Merge tag 'stable/for-linus-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/mm
Pull cleancache changes from Konrad Rzeszutek Wilk:
"This has some patches for the cleancache API that should have been
submitted a _long_ time ago. They are basically cleanups:
- rename of flush to invalidate
- moving reporting of statistics into debugfs
- use __read_mostly as necessary.
Oh, and also the MAINTAINERS file change. The files (except the
MAINTAINERS file) have been in #linux-next for months now. The late
addition of MAINTAINERS file is a brain-fart on my side - didn't
realize I needed that just until I was typing this up - and I based
that patch on v3.3 - so the tree is on top of v3.3."
* tag 'stable/for-linus-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/mm:
MAINTAINERS: Adding cleancache API to the list.
mm: cleancache: Use __read_mostly as appropiate.
mm: cleancache: report statistics via debugfs instead of sysfs.
mm: zcache/tmem/cleancache: s/flush/invalidate/
mm: cleancache: s/flush/invalidate/
Pull blackfin updates from Bob Liu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lliubbo/blackfin: (24 commits)
blackfin: clean up string bfin_dma_5xx after rename.
blackfin:dma: rename bfin_dma_5xx.c to bfin_dma.c
bf548: ssm2602: Add ssm2602 platform data into bf548 ezkit board file.
Blackfin: s/#if CONFIG/#ifdef CONFIG/
Blackfin: pnav: delete duplicate linux/export.h include
bf561: add ppi DLEN macro for 10bits to 16bits
arch: blackfin: udpate defconfig
Disintegrate asm/system.h for Blackfin [ver #2]
arch/blackfin: don't generate random mac in bfin_get_ether_addr()
Blackfin: wire up new process_vm syscalls
blackfin: cleanup anomaly workarounds
blackfin: update default defconfig
blackfin: thread_info: add suspend flag
bfin: add bfin_ad73311_machine platform device
blackfin: bf537: stamp: update board file for 193x
blackfin: kgdb: skip hardware watchpoint test
bf548: add ppi interrupt mask and blanking clocks
blackfin: bf561: forgot CSYNC in get_core_lock_noflush
spi/bfin_spi: drop bits_per_word from client data
blackfin: cplb-mpu: fix page mask table overflow
...
Pull s390 patches from Martin Schwidefsky:
"The biggest patch is the rework of the smp code, something I wanted to
do for some time. There are some patches for our various dump methods
and one new thing: z/VM LGR detection. LGR stands for linux-guest-
relocation and is the guest migration feature of z/VM. For debugging
purposes we keep a log of the systems where a specific guest has lived."
Fix up trivial conflict in arch/s390/kernel/smp.c due to the scheduler
cleanup having removed some code next to removed s390 code.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
[S390] kernel: Pass correct stack for smp_call_ipl_cpu()
[S390] Ensure that vmcore_info pointer is never accessed directly
[S390] dasd: prevent validate server for offline devices
[S390] Remove monolithic build option for zcrypt driver.
[S390] stack dump: fix indentation in output
[S390] kernel: Add OS info memory interface
[S390] Use block_sigmask()
[S390] kernel: Add z/VM LGR detection
[S390] irq: external interrupt code passing
[S390] irq: set __ARCH_IRQ_EXIT_IRQS_DISABLED
[S390] zfcpdump: Implement async sdias event processing
[S390] Use copy_to_absolute_zero() instead of "stura/sturg"
[S390] rework idle code
[S390] rework smp code
[S390] rename lowcore field
[S390] Fix gcc 4.6.0 compile warning
avc_audit() did a lot of jumping around and had a big stack frame, all
for the uncommon case.
Split up the uncommon case (which we really can't make go fast anyway)
into its own slow function, and mark the conditional branches
appropriately for the common likely case.
This causes avc_audit() to no longer show up as one of the hottest
functions on the branch profiles (the new "perf -b" thing), and makes
the cycle profiles look really nice and dense too.
The whole audit path is still annoyingly very much one of the biggest
costs of name lookup, so these things are worth optimizing for. I wish
we could just tell people to turn it off, but realistically we do need
it: we just need to make sure that the overhead of the necessary evil is
as low as possible.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
While doing the fs/namei.c cleanups, I ran sparse on it, and it pointed
out other large integers and a couple of cases of us using '0' instead
of the proper 'NULL'.
Sparse still doesn't understand some of the conditional locking going
on, but that's no excuse for not fixing up the trivial stuff.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
In commit commit 1de5b41cd3 ("fs/namei.c: fix warnings on 32-bit")
Andrew said that there must be a tidier way of doing this.
This is that tidier way.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fix kernel-doc warnings in fs/dcache.c:
Warning(fs/dcache.c:1743): No description found for parameter 'seqp'
Warning(fs/dcache.c:1743): Excess function parameter 'seq' description in '__d_lookup_rcu'
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
We want it to match what hash_name() is doing, which means extra
multiply by 9 in this case...
Reported-and-Tested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull nouveau destaging + Kelper modesetting support from Dave Airlie:
"This pull request is unexpected and not something I had mentioned
previously.
So NVIDIA announced new Kepler GPUs this morning, and Ben has killed
himself getting modesetting support for them together to have on
launch day. Most of the code to support the new chips has already
gone in, however this pull contains a few more pieces along with the
final enables so the driver binds to the new Kepler cards. Its quite
amazing that nouveau can support a GPU on its launch day even if its
just unaccelerated modesetting, and I'd like to have support in the
next kernel.
In order to sweeten the deal, Ben has also requested nouveau destage
and become ABI stable, the only change is the version number bump
which he prepared userspace for quite a long time ago. The driver
hasn't broken ABI since that one big break that caused a lot of fuss.
It's also quite a small set of code, and not likely to break anything."
* 'drm-nouveau-destage' of git://people.freedesktop.org/~airlied/linux:
drm/nouveau/dp: support version 4.0 of DP table
drm/nve0/disp: nvidia randomly decided to move the dithering method
drm/nve0: initial modesetting support for kepler chipsets
drm/nouveau: add bios connector type for dms59
drm/nouveau: move out of staging drivers
drm/nouveau: bump version to 1.0.0
drm/nvd0/disp: ignore clock set if no pclk
drm/nouveau: oops, increase channel dispc_vma to 4
drm/nouveau: inform userspace of new kernel subchannel requirements
drm/nouveau: remove m2mf creation on userspace channels
drm/nvc0-/disp: reimplement flip completion method as fifo method
drm/nouveau: move fence sequence check to start of loop
drm/nouveau: remove subchannel names from places where it doesn't matter
drm/nouveau/ttm: always do buffer moves on kernel channel
Pull radeon southern islands / trinity support from Dave Airlie:
"This is support from AMD for their newest GPU and APUs. The products
called RadeonHD 7xxx, and the Trinity APU series.
This did come in a bit late, due to some over-complicated AMD internal
review process, which from the outside seems unnecessary once the
company has decided it wants to support open source. However as I
said previously I'd rather not put the people who've got this hw for 3
months now being forced to use fglrx on it if there is open code.
Its pretty well self contained and just plugs into the driver in
various places."
* 'drm-radeon-sitn-support' of git://people.freedesktop.org/~airlied/linux: (48 commits)
drm/radeon/kms: update duallink checks for DCE6
drm/radeon/kms: add trinity pci ids
drm/radeon/kms: add radeon_asic struct for trinity
drm/radeon/kms: add support for ucode loading on trinity (v2)
drm/radeon/kms/vm: set vram base offset properly for TN
drm/radeon/kms: Update evergreen functions for trinity
drm/radeon/kms: cayman gpu init updates for trinity
drm/radeon/kms: Add checks for TN in the DP bridge code
drm/radeon/kms/DCE6.1: ss is not supported on the internal pplls
drm/radeon/kms: disable PPLL0 on DCE6.1 when not in use
drm/radeon/kms: Adjust pll picker for DCE6.1
drm/radeon/kms: DCE6.1 disp eng pll updates
drm/radeon/kms: DCE6.1 watermark updates for TN
drm/radeon/kms: no support for internal thermal sensor on TN yet
drm/radeon/kms: add trinity (TN) chip family
drm/radeon/kms: Add SI pci ids
drm/radeon: Update radeon_info_ioctl for SI. (v2)
drm/radeon/kms: add radeon_asic struct for SI
drm/radeon/kms: add support for compute rings in CS ioctl on SI
drm/radeon/kms: fill in startup/shutdown callbacks for SI
...
Pull drm main changes from Dave Airlie:
"This is the main drm pull request, I'm probably going to send two more
smaller ones, will explain below.
This contains a patch that is also in the fbdev tree, but it should be
the same patch, it added an API for hot unplugging framebuffer
devices, and I need that API for a new driver.
It also contains some changes to the i2c tree which Jean has acked,
and one change to moorestown platform stuff in x86.
Highlights:
- new drivers: UDL driver for USB displaylink devices, kms only,
should support correct hotplug operations.
- core: i2c speedups + better hotplug support, EDID overriding via
firmware interface - allows user to load a firmware for a broken
monitor/kvm from userspace, it even has documentation for it.
- exynos: new HDMI audio + hdmi 1.4 + virtual output driver
- gma500: code cleanup
- radeon: cleanups, CS optimisations, streamout support and pageflip
fix
- nouveau: NVD9 displayport support + more reclocking work
- i915: re-enabling GMBUS, finish gpu patch (might help hibernation
who knows), missed irq fixes, stencil tiling fixes, interlaced
support, aliasesd PPGTT support for SNB/IVB, swizzling for SNB/IVB,
semaphore fixes
As well as the usual bunch of cleanups and fixes all over the place.
I've got two things I'd like to merge a bit later:
a) AMD support for all their new radeonhd 7000 series GPU and APUs.
AMD dropped this a bit late due to insane internal review
processes, (please AMD just follow Intel and let open source guys
ship stuff early) however I don't want to penalise people who own
this hardware (since its been on sale for 3-4 months and GPU hw
doesn't exactly have a lifetime in years) and consign them to
using closed drivers for longer than necessary. The changes are
well contained and just plug into the driver new gpu functionality
so they should be fairly regression proof. I just want to give
them a bit of a run on the hw AMD kindly sent me.
b) drm prime/dma-buf interface code. This is just infrastructure
code to expose the dma-buf stuff to drm drivers and to userspace.
I'm not planning on pushing any driver support in this cycle
(except maybe exynos), but I'd like to get the infrastructure code
in so for the next cycle I can start getting the driver support
into the individual drivers. We have started driver support for
i915, nouveau and udl along with I think exynos and omap in
staging. However this code relies on the dma-buf tree being
pulled into your tree first since it needs the latest interfaces
from that tree. I'll push to get that tree sent asap.
(oh and any warnings you see in i915 are gcc's fault from what anyone
can see)."
Fix up trivial conflicts in arch/x86/platform/mrst/mrst.c due to the new
msic_thermal_platform_data() thermal function being added next to the
tc35876x_platform_data() i2c device function..
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (326 commits)
drm/i915: use DDC_ADDR instead of hard-coding it
drm/radeon: use DDC_ADDR instead of hard-coding it
drm: remove unneeded redefinition of DDC_ADDR
drm/exynos: added virtual display driver.
drm: allow loading an EDID as firmware to override broken monitor
drm/exynos: enable hdmi audio feature
drm/exynos: add default pixel format for plane
drm/exynos: cleanup exynos_hdmi.h
drm/exynos: add is_local member in exynos_drm_subdrv struct
drm/exynos: add subdrv open/close functions
drm/exynos: remove module of exynos drm subdrv
drm/exynos: release pending pageflip events when closed
drm/exynos: added new funtion to get/put dma address.
drm/exynos: update gem and buffer framework.
drm/exynos: added mode_fixup feature and code clean.
drm/exynos: add HDMI version 1.4 support
drm/exynos: remove exynos_mixer.h
gma500: Fix mmap frambuffer
drm/radeon: Drop radeon_gem_object_(un)pin.
drm/radeon: Restrict offset for legacy display engine.
...
Here is the first big update chunk of sound stuff for 3.4-rc1.
In the common sound infrastructure, there are a few changes for
dynamic PCM support (used in ASoC) and a few clean-ups. Majority of
changes are found, as usual, in HD-audio and ASoC.
Some highlights of HD-audio changes:
- All the long-standing static quirk codes for Realtek codec were
finally removed by fixing and extending the Realtek auto-parser.
- The mute-LED control is standardized over all HD-audio codec
drivers using the extended vmaster hook.
- The vmaster slave mixer elements are initialized to 0dB as default
so that the user won't be annoyed by the silent output after
updates, e.g. due to the additions of new elements.
- Other many fix-ups for the misc HD-audio devices.
In the ASoC side, this is a very active release, including a quite a
few framework enhancements. Some highlights:
- Support for widgets not associated with a CODEC, an important part
of the dynamic PCM framework.
- A library factoring out the common code shared by dmaengine based
DMA drivers contributed by Lars-Peter Clausen. This will save a lot
of code and make it much easier to deploy enhancements to
dmaengine.
- Support for binary controls, used for providing runtime
configuration of algorithm coefficients.
- A new DAPM widget type for regulator supplies allowing drivers for
devices that can power down unused supplies while active to do
without any per-driver code.
- DAPM widgets for DAIs, initially giving a speed boost for playback
startup and shutdown and also the basis for CODEC<->CODEC DAI link
support.
- Support for specifying the number of significant bits on audio
interfaces, useful for allowing applications to know how much effort
to put into generating data for a larger sample format.
- Conversion of the FSI driver used on some SH processors to
DMAEngine.
- Conversion of EP93xx drivers to DMAEngine.
- New CODEC drivers for Maxim MAX9768 and Wolfson Microelectronics
WM2200.
- Move audmux driver from arc/arm to sound/soc
- McBSP move from arch/ to sound/ and updates
Also, a few small updates and fixes for other drivers like au88x0,
ymfpci, USB 6fire, USB usx2yaudio are included.
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Merge tag 'sound-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull updates of sound stuff from Takashi Iwai:
"Here is the first big update chunk of sound stuff for 3.4-rc1.
In the common sound infrastructure, there are a few changes for
dynamic PCM support (used in ASoC) and a few clean-ups. Majority of
changes are found, as usual, in HD-audio and ASoC.
Some highlights of HD-audio changes:
- All the long-standing static quirk codes for Realtek codec were
finally removed by fixing and extending the Realtek auto-parser.
- The mute-LED control is standardized over all HD-audio codec
drivers using the extended vmaster hook.
- The vmaster slave mixer elements are initialized to 0dB as default
so that the user won't be annoyed by the silent output after
updates, e.g. due to the additions of new elements.
- Other many fix-ups for the misc HD-audio devices.
In the ASoC side, this is a very active release, including a quite a
few framework enhancements. Some highlights:
- Support for widgets not associated with a CODEC, an important part
of the dynamic PCM framework.
- A library factoring out the common code shared by dmaengine based
DMA drivers contributed by Lars-Peter Clausen. This will save a
lot of code and make it much easier to deploy enhancements to
dmaengine.
- Support for binary controls, used for providing runtime
configuration of algorithm coefficients.
- A new DAPM widget type for regulator supplies allowing drivers for
devices that can power down unused supplies while active to do
without any per-driver code.
- DAPM widgets for DAIs, initially giving a speed boost for playback
startup and shutdown and also the basis for CODEC<->CODEC DAI link
support.
- Support for specifying the number of significant bits on audio
interfaces, useful for allowing applications to know how much
effort to put into generating data for a larger sample format.
- Conversion of the FSI driver used on some SH processors to
DMAEngine.
- Conversion of EP93xx drivers to DMAEngine.
- New CODEC drivers for Maxim MAX9768 and Wolfson Microelectronics
WM2200.
- Move audmux driver from arc/arm to sound/soc
- McBSP move from arch/ to sound/ and updates
Also, a few small updates and fixes for other drivers like au88x0,
ymfpci, USB 6fire, USB usx2yaudio are included."
* tag 'sound-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (446 commits)
ASoC: wm8994: Provide VMID mode control and fix default sequence
ASoC: wm8994: Add missing break in resume
ASoC: wm_hubs: Don't actively manage LINEOUT_VMID_BUF
ASoC: pxa-ssp: atomically set stream active masks
ASoC: fsl: p1022ds: tell the WM8776 codec driver that it's the master
ASoC: Samsung: Added to support mono recording
ALSA: hda - Fix build with CONFIG_PM=n
ALSA: au88x0 - Avoid possible Oops at unbinding
ALSA: usb-audio - Fix build error by consitification of rate list
ASoC: core: Fix obscure leak of runtime array
ALSA: pcm - Avoid GFP_ATOMIC in snd_pcm_link()
ALSA: pcm: Constify the list in snd_pcm_hw_constraint_list
ASoC: wm8996: Add 44.1kHz support
ALSA: hda - Fix build of patch_sigmatel.c without CONFIG_SND_HDA_POWER_SAVE
ASoC: mx27vis-aic32x4: Convert it to platform driver
ALSA: hda - fix printing of high HDMI sample rates
ALSA: ymfpci - Fix legacy registers on S3/S4 resume
ALSA: control - Fixe a trailing white space error
ALSA: hda - Add expose_enum_ctl flag to snd_hda_add_vmaster_hook()
ALSA: hda - Add "Mute-LED Mode" enum control
...
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
SCSI updates from James Bottomley:
"The update includes the usual assortment of driver updates (lpfc,
qla2xxx, qla4xxx, bfa, bnx2fc, bnx2i, isci, fcoe, hpsa) plus a huge
amount of infrastructure work in the SAS library and transport class
as well as an iSCSI update. There's also a new SCSI based virtio
driver."
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (177 commits)
[SCSI] qla4xxx: Update driver version to 5.02.00-k15
[SCSI] qla4xxx: trivial cleanup
[SCSI] qla4xxx: Fix sparse warning
[SCSI] qla4xxx: Add support for multiple session per host.
[SCSI] qla4xxx: Export CHAP index as sysfs attribute
[SCSI] scsi_transport: Export CHAP index as sysfs attribute
[SCSI] qla4xxx: Add support to display CHAP list and delete CHAP entry
[SCSI] iscsi_transport: Add support to display CHAP list and delete CHAP entry
[SCSI] pm8001: fix endian issue with code optimization.
[SCSI] pm8001: Fix possible racing condition.
[SCSI] pm8001: Fix bogus interrupt state flag issue.
[SCSI] ipr: update PCI ID definitions for new adapters
[SCSI] qla2xxx: handle default case in qla2x00_request_firmware()
[SCSI] isci: improvements in driver unloading routine
[SCSI] isci: improve phy event warnings
[SCSI] isci: debug, provide state-enum-to-string conversions
[SCSI] scsi_transport_sas: 'enable' phys on reset
[SCSI] libsas: don't recover end devices attached to disabled phys
[SCSI] libsas: fixup target_port_protocols for expanders that don't report sata
[SCSI] libsas: set attached device type and target protocols for local phys
...
Pull SCSI target updates from Nicholas Bellinger:
"This contains the usual set of updates and bugfixes to target-core +
existing fabric module code, along with a handful of the patches
destined for v3.3 stable.
It also contains the necessary target-core infrastructure pieces
required to run using tcm_qla2xxx.ko WWPNs with the new Qlogic Fibre
Channel fabric module currently queued in target-pending/for-next-merge,
and coming for round 2.
The highlights for this series include:
- Add target_submit_tmr() helper function for fabric task management
(andy)
- Convert tcm_fc to use target_submit_tmr() (andy)
- Replace target core various cmd flags with a transport state (hch)
- Convert loopback to use workqueue submission (hch)
- Convert target core to use array_zalloc for tpg_lun_list (joern)
- Convert target core to use array_zalloc for device_list (joern)
- Add target core support for TMR_ABORT_TASK (nab)
- Add target core se_sess->sess_kref + get/put helpers (nab)
- Add target core se_node_acl->acl_kref for ->acl_free_comp usage
(nab)
- Convert iscsi-target to use target_put_session + sess_kref (nab)
- Fix tcm_fc fc_exch memory leak in ft_send_resp_status (nab)
- Fix ib_srpt srpt_handle_cmd send_ioctx->ioctx_kref leak on
exception (nab)
- Fix target core up handling of short INQUIRY buffers (roland)
- Untangle target-core front-end and back-end meanings of max_sectors
attribute (roland)
- Set loopback residual field for SCSI commands (roland)
- Fix target-core 16-bit target ports for SET TARGET PORT GROUPS
emulation (roland)
Thanks again to Andy, Christoph, Joern, Roland, and everyone who has
contributed this round!"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (64 commits)
ib_srpt: Fix srpt_handle_cmd send_ioctx->ioctx_kref leak on exception
loopback: Fix transport_generic_allocate_tasks error handling
iscsi-target: remove improper externs
iscsi-target: Remove unused variables in iscsi_target_parameters.c
target: remove obvious warnings
target: Use array_zalloc for device_list
target: Use array_zalloc for tpg_lun_list
target: Fix sense code for unsupported SERVICE ACTION IN
target: Remove hack to make READ CAPACITY(10) lie if thin provisioning is enabled
target: Bump core version to v4.1.0-rc2-ml + fabric versions
tcm_fc: Fix fc_exch memory leak in ft_send_resp_status
target: Drop unused legacy target_core_fabric_ops API callers
iscsi-target: Convert to use target_put_session + sess_kref
target: Convert se_node_acl->acl_group removal to use ->acl_kref
target: Add se_node_acl->acl_kref for ->acl_free_comp usage
target: Add se_node_acl->acl_free_comp for NodeACL release path
target: Add se_sess->sess_kref + get/put helpers
target: Convert session_lock to irqsave
target: Fix typo in drivers/target
iscsi-target: Fix dynamic -> explict NodeACL pointer reference
...
Mostly tidying up code in preparation for some bigger changes
next time.
A few bug fixes tagged for -stable.
Main functionality change is that some RAID10 arrays can now
grow to use extra space that may have been made available on the
individual devices.
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Merge tag 'md-3.4' of git://neil.brown.name/md
Pull md updates for 3.4 from Neil Brown:
"Mostly tidying up code in preparation for some bigger changes next
time.
A few bug fixes tagged for -stable.
Main functionality change is that some RAID10 arrays can now grow to
use extra space that may have been made available on the individual
devices."
Fixed up trivial conflicts with the k[un]map_atomic() cleanups in
drivers/md/bitmap.c.
* tag 'md-3.4' of git://neil.brown.name/md: (22 commits)
md: Add judgement bb->unacked_exist in function md_ack_all_badblocks().
md: fix clearing of the 'changed' flags for the bad blocks list.
md/bitmap: discard CHUNK_BLOCK_SHIFT macro
md/bitmap: remove unnecessary indirection when allocating.
md/bitmap: remove some pointless locking.
md/bitmap: change a 'goto' to a normal 'if' construct.
md/bitmap: move printing of bitmap status to bitmap.c
md/bitmap: remove some unused noise from bitmap.h
md/raid10 - support resizing some RAID10 arrays.
md/raid1: handle merge_bvec_fn in member devices.
md/raid10: handle merge_bvec_fn in member devices.
md: add proper merge_bvec handling to RAID0 and Linear.
md: tidy up rdev_for_each usage.
md/raid1,raid10: avoid deadlock during resync/recovery.
md/bitmap: ensure to load bitmap when creating via sysfs.
md: don't set md arrays to readonly on shutdown.
md: allow re-add to failed arrays.
md/raid5: use atomic_dec_return() instead of atomic_dec() and atomic_read().
md: Use existed macros instead of numbers
md/raid5: removed unused 'added_devices' variable.
...
Pull x86 "urgent" leftovers from Ingo Molnar:
"Pending x86/urgent bits that were not high prio enough to warrant
-rc-less v3.3-final inclusion."
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, efi: Fix pointer math issue in handle_ramdisks()
x86/ioapic: Add register level checks to detect bogus io-apic entries
x86, mce: Fix rcu splat in drain_mce_log_buffer()
x86, memblock: Move mem_hole_size() to .init
Pull x86 platform changes from Ingo Molnar.
Removes the Moorestown platform that nobody ever used.
* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/platform: Move APIC ID validity check into platform APIC code
x86/olpc/xo15/sci: Enable lid close wakeup control
x86/geode/net5501: Add platform driver for Soekris Engineering net5501
x86/geode/alix2: Supplement driver to include GPIO button support
x86/mid/powerbtn: Use MSIC read/write instead of ipc_scu
x86/mid/thermal: Turn off thermistor
x86/mid/thermal: Add msic_thermal alias
x86/mid/thermal: Convert to use Intel MSIC API
x86/mid/scu_ipc: Remove Moorestown support
x86/mid: Kill off Moorestown
x86/mrst: Add msic_thermal platform support
x86/config: Select MSIC MFD driver on Intel Medfield platform
x86/mid: Remove Intel Moorestown
x86/mrst: Set ISA bus type for fake MP IRQs
x86/ioapic: Use legacy_pic to set correct gsi-irq mapping
Pull MCE changes from Ingo Molnar.
* 'x86-mce-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce: Fix return value of mce_chrdev_read() when erst is disabled
x86/mce: Convert static array of pointers to per-cpu variables
x86/mce: Replace hard coded hex constants with symbolic defines
x86/mce: Recognise machine check bank signature for data path error
x86/mce: Handle "action required" errors
x86/mce: Add mechanism to safely save information in MCE handler
x86/mce: Create helper function to save addr/misc when needed
HWPOISON: Add code to handle "action required" errors.
HWPOISON: Clean up memory_failure() vs. __memory_failure()
Pull x86/fpu changes from Ingo Molnar.
* 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
i387: Split up <asm/i387.h> into exported and internal interfaces
i387: Uninline the generic FP helpers that we expose to kernel modules
Pull trivial x86 branches from Ingo Molnar: small one-liners to fix up
details.
* 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Remove some noise from boot log when starting cpus
* 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, boot: Fix port argument to inl() function
* 'x86-cpufeature-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, cpufeature: Add CPU features from Intel document 319433-012A
* 'x86-process-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86_64: Record stack pointer before task execution begins
* 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/UV: Lower UV rtc clocksource rating
Pull x86/asm changes from Ingo Molnar
* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Include probe_roms.h in probe_roms.c
x86/32: Print control and debug registers for kerenel context
x86: Tighten dependencies of CPU_SUP_*_32
x86/numa: Improve internode cache alignment
x86: Fix the NMI nesting comments
x86-64: Improve insn scheduling in SAVE_ARGS_IRQ
x86-64: Fix CFI annotations for NMI nesting code
bitops: Add missing parentheses to new get_order macro
bitops: Optimise get_order()
bitops: Adjust the comment on get_order() to describe the size==0 case
x86/spinlocks: Eliminate TICKET_MASK
x86-64: Handle byte-wise tail copying in memcpy() without a loop
x86-64: Fix memcpy() to support sizes of 4Gb and above
x86-64: Fix memset() to support sizes of 4Gb and above
x86-64: Slightly shorten copy_page()
Merge first batch of patches from Andrew Morton:
"A few misc things and all the MM queue"
* emailed from Andrew Morton <akpm@linux-foundation.org>: (92 commits)
memcg: avoid THP split in task migration
thp: add HPAGE_PMD_* definitions for !CONFIG_TRANSPARENT_HUGEPAGE
memcg: clean up existing move charge code
mm/memcontrol.c: remove unnecessary 'break' in mem_cgroup_read()
mm/memcontrol.c: remove redundant BUG_ON() in mem_cgroup_usage_unregister_event()
mm/memcontrol.c: s/stealed/stolen/
memcg: fix performance of mem_cgroup_begin_update_page_stat()
memcg: remove PCG_FILE_MAPPED
memcg: use new logic for page stat accounting
memcg: remove PCG_MOVE_LOCK flag from page_cgroup
memcg: simplify move_account() check
memcg: remove EXPORT_SYMBOL(mem_cgroup_update_page_stat)
memcg: kill dead prev_priority stubs
memcg: remove PCG_CACHE page_cgroup flag
memcg: let css_get_next() rely upon rcu_read_lock()
cgroup: revert ss_id_lock to spinlock
idr: make idr_get_next() good for rcu_read_lock()
memcg: remove unnecessary thp check in page stat accounting
memcg: remove redundant returns
memcg: enum lru_list lru
...
* 'drm-nouveau-next' of git://git.freedesktop.org/git/nouveau/linux-2.6:
drm/nouveau/dp: support version 4.0 of DP table
drm/nve0/disp: nvidia randomly decided to move the dithering method
drm/nve0: initial modesetting support for kepler chipsets
drm/nouveau: add bios connector type for dms59
drm/nouveau: move out of staging drivers
drm/nouveau: bump version to 1.0.0
drm/nvd0/disp: ignore clock set if no pclk
drm/nouveau: oops, increase channel dispc_vma to 4
drm/nouveau: inform userspace of new kernel subchannel requirements
drm/nouveau: remove m2mf creation on userspace channels
drm/nvc0-/disp: reimplement flip completion method as fifo method
drm/nouveau: move fence sequence check to start of loop
drm/nouveau: remove subchannel names from places where it doesn't matter
drm/nouveau/ttm: always do buffer moves on kernel channel
There's really no good reason for us to be in here anymore, we have to
maintain this ABI anyway to avoid angering people.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
The time has come to get a proper version number that we can change to
indicate new features etc, rather than the lock-step 0.0.XX that we
previously had.
libdrm has recognised this version as compatible with 0.0.16 since 2.4.22,
so hopefully any breakage people see should be very minimal.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
All available subchannels are now available for userspace to do with as it
pleases on NVC0+.
On all earlier chipsets, the kernel still uses a software object on subc 0
to implement the page flip completion method. I hope to find some decent
way of addressing this too, but it's a tad tricker prior to fermi.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
I want to be able to use REF_CNT from other places in the kernel without
pushing a fence object onto the list of emitted fences.
The current code makes an assumption that every time the acked sequence is
bumped that there's at least one fence on the list that'll be signalled.
This will no longer be true in the near future.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Mikulas Patocka