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The dsb instruction takes an option specifying both the target access
types and shareability domain.
This patch allows such an option to be passed to the dsb macro,
resulting in potentially more efficient code. Currently the option is
ignored until all callers are updated (unlike ARM, the option is
mandated by the assembler).
Signed-off-by: Will Deacon <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
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the evergreen CS parser has allowed this for a while, just port
the code to the r600 one.
This is required before geom shaders can be made work.
v2: agd5f: minor cleanup and add additional 7xx reg.
Signed-off-by: Dave Airlie <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
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git://people.freedesktop.org/~thomash/linux into drm-next
A couple of vmwgfx fixes together with missing bits of legacy device
emulation to facilitate old user-space drivers on new devices.
The shader emulation bits are a bit large, but since they mostly touch the
new device code, regressions are unlikely. I figure the gain of having
this from the start clearly outweighs the risc of adding these bits at
this point.
Pull request of 2014-02-05
* tag 'vmwgfx-fixes-3.14-2014-02-05' of git://people.freedesktop.org/~thomash/linux:
vmwgfx: Fix unitialized stack read in vmw_setup_otable_base
drm/vmwgfx: Reemit context bindings when necessary v2
drm/vmwgfx: Detect old user-space drivers and set up legacy emulation v2
drm/vmwgfx: Emulate legacy shaders on guest-backed devices v2
drm/vmwgfx: Fix legacy surface reference size copyback
drm/vmwgfx: Fix SET_SHADER_CONST emulation on guest-backed devices
drm/vmwgfx: Fix regression caused by "drm/ttm: make ttm reservation calls behave like reservation calls"
drm/vmwgfx: Don't commit staged bindings if execbuf fails
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git://people.freedesktop.org/~thomash/linux into drm-next
Two ttm regression fixes.
Pull request of 2014-02-05
* tag 'ttm-fixes-3.14-2014-02-05' of git://people.freedesktop.org/~thomash/linux:
drm/ttm: Don't clear page metadata of imported sg pages
drm/ttm: Fix TTM object open regression
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I totally sign inverted my way out of this one.
Cc: [email protected]
Reported-by: "Sabrina Dubroca" <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"This lot provides:
* Bugfixes for armada irq controller
* Updates to renesas irq chip
* Support for the TI-NSPIRE irq controller
Not strictly a bug fix only pull request, but important updates for
some of the arm Socs which I completely forgot to send last week.
Seems like my obliviousness is getting worse, I just can't remember
when it started"
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip: Add support for TI-NSPIRE irqchip
irqchip: renesas-irqc: Enable mask on suspend
irqchip: renesas-irqc: Use lazy disable
irqchip: armada-370-xp: fix MSI race condition
irqchip: armada-370-xp: fix IPI race condition
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull Xen fixes from Konrad Rzeszutek Wilk:
"Bug-fixes:
- Revert "xen/grant-table: Avoid m2p_override during mapping" as it
broke Xen ARM build.
- Fix CR4 not being set on AP processors in Xen PVH mode"
* tag 'stable/for-linus-3.14-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/pvh: set CR4 flags for APs
Revert "xen/grant-table: Avoid m2p_override during mapping"
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux
Pull ia64 update from Tony Luck:
"Wire up new sched_setattr and sched_getattr syscalls"
* tag 'please-pull-ia64-syscalls' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
[IA64] Wire up new sched_setattr and sched_getattr syscalls
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Pull NVMe driver update from Matthew Wilcox:
"Looks like I missed the merge window ... but these are almost all
bugfixes anyway (the ones that aren't have been baking for months)"
* git://git.infradead.org/users/willy/linux-nvme:
NVMe: Namespace use after free on surprise removal
NVMe: Correct uses of INIT_WORK
NVMe: Include device and queue numbers in interrupt name
NVMe: Add a pci_driver shutdown method
NVMe: Disable admin queue on init failure
NVMe: Dynamically allocate partition numbers
NVMe: Async IO queue deletion
NVMe: Surprise removal handling
NVMe: Abort timed out commands
NVMe: Schedule reset for failed controllers
NVMe: Device resume error handling
NVMe: Cache dev->pci_dev in a local pointer
NVMe: Fix lockdep warnings
NVMe: compat SG_IO ioctl
NVMe: remove deprecated IRQF_DISABLED
NVMe: Avoid shift operation when writing cq head doorbell
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"A couple of driver fixes here but the main thing is a fix to the
checks for deferred probe non-DT systems with fully specified
regulators which had been broken by a device tree fix which meant that
we wouldn't insert optional regulators.
This had slipped through the cracks since very few systems do that in
the first place and those that do it in mainline don't need optional
regulators anyway"
* tag 'regulator-v3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: s2mps11: Fix NULL pointer of_node value when using platform data
regulator: core: Correct default return value for full constraints
regulator: ab3100: cast fix
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Pull crypto fixes from Herbert Xu:
"This fixes a number of concurrency issues on s390 where multiple users
of the same crypto transform may clobber each other's results"
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: s390 - fix des and des3_ede ctr concurrency issue
crypto: s390 - fix des and des3_ede cbc concurrency issue
crypto: s390 - fix concurrency issue in aes-ctr mode
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CONFIG_X86_32 doesn't map the boot services regions into the EFI memory
map (see commit 700870119f49 ("x86, efi: Don't map Boot Services on
i386")), and so efi_lookup_mapped_addr() will fail to return a valid
address. Executing the ioremap() path in efi_bgrt_init() causes the
following warning on x86-32 because we're trying to ioremap() RAM,
WARNING: CPU: 0 PID: 0 at arch/x86/mm/ioremap.c:102 __ioremap_caller+0x2ad/0x2c0()
Modules linked in:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.13.0-0.rc5.git0.1.2.fc21.i686 #1
Hardware name: DellInc. Venue 8 Pro 5830/09RP78, BIOS A02 10/17/2013
00000000 00000000 c0c0df08 c09a5196 00000000 c0c0df38 c0448c1e c0b41310
00000000 00000000 c0b37bc1 00000066 c043bbfd c043bbfd 00e7dfe0 00073eff
00073eff c0c0df48 c0448ce2 00000009 00000000 c0c0df9c c043bbfd 00078d88
Call Trace:
[<c09a5196>] dump_stack+0x41/0x52
[<c0448c1e>] warn_slowpath_common+0x7e/0xa0
[<c043bbfd>] ? __ioremap_caller+0x2ad/0x2c0
[<c043bbfd>] ? __ioremap_caller+0x2ad/0x2c0
[<c0448ce2>] warn_slowpath_null+0x22/0x30
[<c043bbfd>] __ioremap_caller+0x2ad/0x2c0
[<c0718f92>] ? acpi_tb_verify_table+0x1c/0x43
[<c0719c78>] ? acpi_get_table_with_size+0x63/0xb5
[<c087cd5e>] ? efi_lookup_mapped_addr+0xe/0xf0
[<c043bc2b>] ioremap_nocache+0x1b/0x20
[<c0cb01c8>] ? efi_bgrt_init+0x83/0x10c
[<c0cb01c8>] efi_bgrt_init+0x83/0x10c
[<c0cafd82>] efi_late_init+0x8/0xa
[<c0c9bab2>] start_kernel+0x3ae/0x3c3
[<c0c9b53b>] ? repair_env_string+0x51/0x51
[<c0c9b378>] i386_start_kernel+0x12e/0x131
Switch to using early_memremap(), which won't trigger this warning, and
has the added benefit of more accurately conveying what we're trying to
do - map a chunk of memory.
This patch addresses the following bug report,
https://bugzilla.kernel.org/show_bug.cgi?id=67911
Reported-by: Adam Williamson <[email protected]>
Cc: Josh Triplett <[email protected]>
Cc: Matthew Garrett <[email protected]>
Cc: Rafael J. Wysocki <[email protected]>
Signed-off-by: Matt Fleming <[email protected]>
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It can take some time to validate the image, make sure
{allyes|allmod}config doesn't enable it.
I'd say randconfig will cover it often enough, and the failure is also
borderline build coverage related: you cannot really make the decoder
test fail via source level changes, only with changes in the build
environment, so I agree with Andi that we can disable this one too.
Signed-off-by: Ingo Molnar <[email protected]>
Acked-by: Paul Gortmaker [email protected]>
Suggested-and-acked-by: Andi Kleen [email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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This changes 'do_execve()' to get the executable name as a 'struct
filename', and to free it when it is done. This is what the normal
users want, and it simplifies and streamlines their error handling.
The controlled lifetime of the executable name also fixes a
use-after-free problem with the trace_sched_process_exec tracepoint: the
lifetime of the passed-in string for kernel users was not at all
obvious, and the user-mode helper code used UMH_WAIT_EXEC to serialize
the pathname allocation lifetime with the execve() having finished,
which in turn meant that the trace point that happened after
mm_release() of the old process VM ended up using already free'd memory.
To solve the kernel string lifetime issue, this simply introduces
"getname_kernel()" that works like the normal user-space getname()
function, except with the source coming from kernel memory.
As Oleg points out, this also means that we could drop the tcomm[] array
from 'struct linux_binprm', since the pathname lifetime now covers
setup_new_exec(). That would be a separate cleanup.
Reported-by: Igor Zhbanov <[email protected]>
Tested-by: Steven Rostedt <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: Al Viro <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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kernfs_deactivate() forgot to check whether KERNFS_LOCKDEP is set
before performing lockdep annotations and ends up feeding
uninitialized lockdep_map to lockdep triggering warning like the
following on USB stick hotunplug.
usb 1-2: USB disconnect, device number 2
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 1 PID: 62 Comm: khubd Not tainted 3.13.0-work+ #82
Hardware name: empty empty/S3992, BIOS 080011 10/26/2007
ffff880065ca7f60 ffff88013a4ffa08 ffffffff81cfb6bd 0000000000000002
ffff88013a4ffac8 ffffffff810f8530 ffff88013a4fc710 0000000000000002
ffff880100000000 ffffffff82a3db50 0000000000000001 ffff88013a4fc710
Call Trace:
[<ffffffff81cfb6bd>] dump_stack+0x4e/0x7a
[<ffffffff810f8530>] __lock_acquire+0x1910/0x1e70
[<ffffffff810f931a>] lock_acquire+0x9a/0x1d0
[<ffffffff8127c75e>] kernfs_deactivate+0xee/0x130
[<ffffffff8127d4c8>] kernfs_addrm_finish+0x38/0x60
[<ffffffff8127d701>] kernfs_remove_by_name_ns+0x51/0xa0
[<ffffffff8127b4f1>] remove_files.isra.1+0x41/0x80
[<ffffffff8127b7e7>] sysfs_remove_group+0x47/0xa0
[<ffffffff8127b873>] sysfs_remove_groups+0x33/0x50
[<ffffffff8177d66d>] device_remove_attrs+0x4d/0x80
[<ffffffff8177e25e>] device_del+0x12e/0x1d0
[<ffffffff819722c2>] usb_disconnect+0x122/0x1a0
[<ffffffff819749b5>] hub_thread+0x3c5/0x1290
[<ffffffff810c6a6d>] kthread+0xed/0x110
[<ffffffff81d0a56c>] ret_from_fork+0x7c/0xb0
Fix it by making kernfs_deactivate() perform lockdep annotations only
if KERNFS_LOCKDEP is set.
Signed-off-by: Tejun Heo <[email protected]>
Reported-by: Fabio Estevam <[email protected]>
Reported-by: Alan Stern <[email protected]>
Reported-by: Jiri Kosina <[email protected]>
Reported-by: Dave Jones <[email protected]>
Tested-by: Fabio Estevam <[email protected]>
Tested-by: Jiri Kosina <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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These page pointers shouldn't be visible to TTM in the first place, but
until we fix that up, don't clear the page metadata because that
will upset the exporter.
Reported-and-tested-by: Cristoph Haag <[email protected]>
Signed-off-by: Thomas Hellstrom <[email protected]>
Reviewed-by: Jakob Bornecrantz <[email protected]>
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Binaries compiled for arm may run on arm64 if CONFIG_COMPAT is
selected. Set LSM_MMAP_MIN_ADDR to 32768 if ARM64 && COMPAT to
prevent selinux failures launching 32-bit static executables that
are mapped at 0x8000.
Signed-off-by: Colin Cross <[email protected]>
Acked-by: Will Deacon <[email protected]>
Acked-by: Eric Paris <[email protected]>
Acked-by: James Morris <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
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This patch enables sys_compat, sys_finit_module, sys_sched_setattr and
sys_sched_getattr for compat (AArch32) applications.
Signed-off-by: Catalin Marinas <[email protected]>
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Update wall-to-monotonic fields in the VDSO data page
unconditionally. These are used to service CLOCK_MONOTONIC_COARSE,
which is not guarded by use_syscall.
Signed-off-by: Nathan Lynch <[email protected]>
Acked-by: Will Deacon <[email protected]>
Cc: <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
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When __kernel_clock_gettime is called with a CLOCK_MONOTONIC_COARSE or
CLOCK_REALTIME_COARSE clock id, it returns incorrectly to whatever the
caller has placed in x2 ("ret x2" to return from the fast path). Fix
this by saving x30/LR to x2 only in code that will call
__do_get_tspec, restoring x30 afterward, and using a plain "ret" to
return from the routine.
Also: while the resulting tv_nsec value for CLOCK_REALTIME and
CLOCK_MONOTONIC must be computed using intermediate values that are
left-shifted by cs_shift (x12, set by __do_get_tspec), the results for
coarse clocks should be calculated using unshifted values
(xtime_coarse_nsec is in units of actual nanoseconds). The current
code shifts intermediate values by x12 unconditionally, but x12 is
uninitialized when servicing a coarse clock. Fix this by setting x12
to 0 once we know we are dealing with a coarse clock id.
Signed-off-by: Nathan Lynch <[email protected]>
Acked-by: Will Deacon <[email protected]>
Cc: <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
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When an eject request is sent to an ejected ACPI device, the following
panic occurs:
ACPI: \_SB_.SCK3.CPU3: ACPI_NOTIFY_EJECT_REQUEST event
BUG: unable to handle kernel NULL pointer dereference at 0000000000000070
IP: [<ffffffff813a7cfe>] acpi_device_hotplug+0x10b/0x33b
:
Call Trace:
[<ffffffff813a24da>] acpi_hotplug_work_fn+0x1c/0x27
[<ffffffff8109cbe5>] process_one_work+0x175/0x430
[<ffffffff8109d7db>] worker_thread+0x11b/0x3a0
This is becase device->handler is NULL in acpi_device_hotplug().
This case was used to fail in acpi_hotplug_notify_cb() as the target
had no acpi_deivce. However, acpi_device now exists after ejection.
Added a check to verify if acpi_device->handler is valid for an
eject request in acpi_hotplug_notify_cb(). Note that handler passed
from an argument is still valid while acpi_device->handler is NULL.
Fixes: 202317a573b2 (ACPI / scan: Add acpi_device objects for all device nodes in the namespace)
Signed-off-by: Toshi Kani <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
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Currently pgd_alloc has a redundant NULL check in its return path that
can be removed with no ill effects. With that removed it's also possible
to return early and eliminate the new_pgd temporary variable.
This patch applies said modifications, making the logic of pgd_alloc
correspond 1-1 with that of pgd_free.
Signed-off-by: Mark Rutland <[email protected]>
Cc: Will Deacon <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
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Somehow SERROR has acquired an additional 'R' in a couple of headers.
This patch removes them before they spread further. As neither instance
is in use yet, no other sites need to be fixed up.
Signed-off-by: Mark Rutland <[email protected]>
Acked-by: Marc Zyngier <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
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With the 64K page size configuration, __create_page_tables in head.S
maps enough memory to get started but using 64K pages rather than 512M
sections with a single pgd/pud/pmd entry pointing to a pte table.
create_mapping() may override the pgd/pud/pmd table entry with a block
(section) one if the RAM size is more than 512MB and aligned correctly.
For the end of this block to be accessible, the old TLB entry must be
invalidated.
Cc: <[email protected]>
Reported-by: Mark Salter <[email protected]>
Tested-by: Mark Salter <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
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dma_alloc_from_contiguous takes number of pages for a size.
Align up the dma size passed in to page size to avoid truncation
and allocation failures on sizes less than PAGE_SIZE.
Cc: Will Deacon <[email protected]>
Signed-off-by: Laura Abbott <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
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Add DSB after icache flush to complete the cache maintenance operation.
The function __flush_icache_all() is used only for user space mappings
and an ISB is not required because of an exception return before executing
user instructions. An exception return would behave like an ISB.
Signed-off-by: Vinayak Kale <[email protected]>
Acked-by: Will Deacon <[email protected]>
Cc: <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
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The generic_chip.c uses interfaces from irq_domain.c which is
controlled by the IRQ_DOMAIN config option, but there is no Kconfig
dependency so the build can fail:
linux/kernel/irq/generic-chip.c:400:11: error:
'irq_domain_xlate_onetwocell' undeclared here (not in a function)
Select IRQ_DOMAIN when GENERIC_IRQ_CHIP is selected.
Signed-off-by: Nitin A Kamble <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>
Cc: [email protected] # 3.11+
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Commit drm/ttm: ttm object security fixes for render nodes introduced a
regression where, if a TTM object was opened multiple times from the same
open file, the caller would spin uninterruptibly in the kernel.
Fix this.
Signed-off-by: Thomas Hellstrom <[email protected]>
Reviewed-by: Jakob Bornecrantz <[email protected]>
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One of the error paths in vmw_setup_otable_base causes us to return with
'ret' having never been set to anything causing us to return whatever was
on the stack.
Found with Coverity
Signed-off-by: Dave Jones <[email protected]>
Reviewed-by: Thomas Hellstrom <[email protected]>
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AD1983 has flexible loopback routes and the generic parser would take
wrong path confusingly instead of taking individual paths via NID 0x0c
and 0x0d. For avoiding it, limit the connections at these widgets so
that the parser can think more straightforwardly. This fixes the
regression of the missing line-in loopback on Dell machine.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=70011
Cc: <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
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When a context is first referenced in the command stream, make sure that all
scrubbed (as a result of eviction) bindings are re-emitted. Also make sure that
all bound resources are put on the resource validate list.
This is needed for legacy emulation, since legacy user-space drivers will
typically not re-emit shader bindings. It also removes the requirement for
user-space drivers to re-emit render-target- and texture bindings.
Makes suspend and hibernate now also work with legacy user-space drivers on
guest-backed devices.
v2: Don't rebind on legacy devices.
Signed-off-by: Thomas Hellstrom <[email protected]>
Reviewed-by: Jakob Bornecrantz <[email protected]>
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GB aware mesa userspace drivers are detected by the fact that they are
calling the vmw getparam ioctl querying DRM_VMW_PARAM_HW_CAPS to detect
whether the device is Guest-backed object capable. For other drivers,
lie about hardware version and send the 3D capabilities in a format they
expect.
v2:
Use DRM_VMW_PARAM_MAX_MOB_MEMORY to detect gb awareness,
Make sure we don't ovwerwrite bounce buffer or write past user-space buffer
indicated size.
Signed-off-by: Thomas Hellstrom <[email protected]>
Reviewed-by: Jakob Bornecrantz <[email protected]>
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Command stream legacy shader creation and destruction is replaced by
NOPs in the command stream, and instead guest-backed shaders are created
and destroyed as part of the command validation process.
v2: Removed some stray debug messages.
Signed-off-by: Thomas Hellstrom <[email protected]>
Reviewed-by: Jakob Bornecrantz <[email protected]>
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Surfaces created using the guest-backed surface interface only keeps the
base mip size, so only copy that if the legacy surface reference
ioctl requests the size information.
Signed-off-by: Thomas Hellstrom <[email protected]>
Reviewed-by: Jakob Bornecrantz <[email protected]>
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Emulate the SET_SHADER_CONST legacy command on guest-backed devices by
issuing a SET_GB_SHADERCONSTS_INLINE command.
Signed-off-by: Thomas Hellstrom <[email protected]>
Reviewed-by: Jakob Bornecrantz <[email protected]>
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behave like reservation calls"
The call to ttm_eu_backoff_reservation() as part of an error path would cause
a lock imbalance if the reservation ticket was not initialized. This error is
easily triggered from user-space by submitting a bogus command stream.
Signed-off-by: Thomas Hellstrom <[email protected]>
Reviewed-by: Jakob Bornecrantz <[email protected]>
Cc: [email protected]
Cc: Maarten Lankhorst <[email protected]>
Cc: Jerome Glisse <[email protected]>
Cc: Dave Airlie <[email protected]>
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If execbuf fails and binding commands are never sent to the device,
don't commit the staged context bindings to the tracker.
Signed-off-by: Thomas Hellstrom <[email protected]>
Reviewed-by: Jakob Bornecrantz <[email protected]>
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Mac Pro 1,1 with ALC889A codec needs the VREF setup on NID 0x18 to
VREF50, in order to make the speaker working. The same fixup was
already needed for MacBook Air 1,1, so we can reuse it.
Reported-by: Nicolai Beuermann <[email protected]>
Cc: <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
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The mixer widget on AD1983 at NID 0x0e was missing in the commit
[f2f8be43c5c9: ALSA: hda - Add aamix NID to AD codecs].
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=70011
Cc: <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
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We've seen often problems after suspend/resume on Acer Aspire One
AO725 with ALC271X codec as reported in kernel bugzilla, and it turned
out that some COEFs doesn't work and triggers the codec communication
stall.
Since these magic COEF setups are specific to ALC269VB for some PLL
configurations, the machine works even without these manual
adjustment. So, let's simply avoid applying them for ALC271X.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=52181
Cc: <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
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mode->mdev otherwise the bw limits never kick in.
Reported in RHEL testing.
Cc: [email protected]
Signed-off-by: Dave Airlie <[email protected]>
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Fix incorrect sscanf() string in acpi_battery_init_alarm().
Change from %ld to %lu, because 'x' is unsigned long.
Signed-off-by: Luis G.F <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
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We already verified that "ldev" was non-NULL earlier and also we
dereference again without checking a three lines later.
Signed-off-by: Dan Carpenter <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
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"element" can't be NULL because it is the address of a struct member.
Signed-off-by: Dan Carpenter <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
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On HP EliteBook Revolve 810 the ACPI backlight device doesn't work as
expected. For example when resuming from system sleep, it seems to lose
backlight settings.
Forcing Intel driver fixes the problem so add this machine the ACPI
video detect blacklist.
Signed-off-by: Mika Westerberg <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
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We have few fedora bug reports about list corruption on pinctrl,
for example:
https://bugzilla.redhat.com/show_bug.cgi?id=1051918
Most likely corruption happen due lack of protection of pinctrl_list
when adding new nodes to it. Patch corrects that.
Fixes: 42fed7ba44e ("pinctrl: move subsystem mutex to pinctrl_dev struct")
Cc: [email protected]
Signed-off-by: Stanislaw Gruszka <[email protected]>
Acked-by: Stephen Warren <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
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Take non-idle time into account when calculating core busy time.
This ensures that intel_pstate will notice a decrease in load.
References: https://bugzilla.kernel.org/show_bug.cgi?id=66581
Cc: 3.10+ <[email protected]> # 3.10+
Signed-off-by: Dirk Brandewie <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
"Filipe is fixing compile and boot problems with our crc32c rework, and
Josef has disabled snapshot aware defrag for now.
As the number of snapshots increases, we're hitting OOM. For the
short term we're disabling things until a bigger fix is ready"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: use late_initcall instead of module_init
Btrfs: use btrfs_crc32c everywhere instead of libcrc32c
Btrfs: disable snapshot aware defrag for now
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Pull NFS client bugfixes from Trond Myklebust:
"Highlights:
- Fix NFSv3 acl regressions
- Fix NFSv4 memory corruption due to slot table abuse in
nfs4_proc_open_confirm
- nfs4_destroy_session must call rpc_destroy_waitqueue"
* tag 'nfs-for-3.14-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
fs: get_acl() must be allowed to return EOPNOTSUPP
NFSv3: Fix return value of nfs3_proc_setacls
NFSv3: Remove unused function nfs3_proc_set_default_acl
NFSv4.1: nfs4_destroy_session must call rpc_destroy_waitqueue
NFSv4: Fix memory corruption in nfs4_proc_open_confirm
nfs: fix setting of ACLs on file creation.
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It really isn't very interesting to have DEBUG_INFO when doing compile
coverage stuff (you wouldn't want to run the result anyway, that's kind
of the whole point of COMPILE_TEST), and it currently makes the build
take longer and use much more disk space for "all{yes,mod}config".
There's somewhat active discussion about this still, and we might end up
with some new config option for things like this (Andi points out that
the silly X86_DECODER_SELFTEST option also slows down the normal
coverage tests hugely), but I'm starting the ball rolling with this
simple one-liner.
DEBUG_INFO isn't that noticeable if you have tons of memory and a good
IO subsystem, but it hurts you a lot if you don't - for very little
upside for the common use.
Signed-off-by: Linus Torvalds <[email protected]>
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