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Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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New asics support non-privileged IBs. This allows us
to skip IB checking in the driver since the hardware
will check the command buffers for us. When using
non-privileged IBs, if the CP encounters an illegal
register in the command stream, it will halt and generate
an interrupt. The CP needs to be reset to continue. For now
just do a full GPU reset when this happens.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Martin Schwidefsky:
"A couple of last-minute fixes: a build regression for !SMP, a recent
memory detection patch caused kdump to break, a regression in regard
to sscanf vs reboot from FCP, and two fixes in the DMA mapping code
for PCI"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/ipl: Fix FCP WWPN and LUN format strings for read
s390/mem_detect: fix memory hole handling
s390/dma: support debug_dma_mapping_error
s390/dma: fix mapping_error detection
s390/irq: Only define synchronize_irq() on SMP
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc bugfix from Ben Herrenschmidt:
"This is a fix for a regression causing a freescale "83xx" based
platforms to crash on boot due to some PCI breakage"
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc/pci: Fix boot panic on mpc83xx (regression)
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse bugfix from Miklos Szeredi:
"This fixes a race between fallocate() and truncate()"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: hold i_mutex in fuse_file_fallocate()
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"A few last minute SPI updates: fix a missized allocation and use
atomic allocations in atomic context in the PXA driver, and fix the
checking of return codes in the S3C64xx driver which caused spurious
errors under heavy load."
* tag 'spi-v3.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi/pxa2xx: fix memory corruption due to wrong size used in devm_kzalloc()
spi/pxa2xx: use GFP_ATOMIC in sg table allocation
spi: s3c64xx: Fix pm_runtime_get_sync() return value check
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Drivers are allowed (actually have to) disable unrelated crtcs in
their ->set_config callback (when we steal all the connectors from
that crtc). If they do that they'll clear crtc->fb to NULL.
Which results in a refcount leak, since the drm core is keeping track
of that reference.
To fix this track the old fb of all crtcs and adjust references for
all of them. Of course, since we only hold an additional reference for
the fb for the current crtc we need to increase refcounts before we
drop the old one.
This approach has the benefit that it inches us a bit closer to an
atomic modeset world, where we want to update the config of all crtcs
in one step.
This regression has been introduce in the framebuffer refcount
conversion, specifically in
commit b0d1232589df5575c5971224ac4cb30e7e525884
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Tue Dec 11 01:07:12 2012 +0100
drm: refcounting for crtc framebuffers
Reported-by: Russell King <linux@arm.linux.org.uk>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Historically drm lacked fb refcounting, so the updating of crtc->fb
was done by the lower levels at a point convenient to get their own
refcounting (e.g. refcounts for the underlying gem bo, pinning
refcounts) right. With the introduction of refcounted fbs the drm core
handled the fb refcounts, but still relied on drivers to update the
crtc->fb pointer (this approach required the least invasive changes in
drivers).
Enforce this contract with a WARN_ON.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Atm the crtc helper implementation of set_config has really
inconsisten semantics: If just an fb update is good enough, dpms state
will be left as-is, but if we do a full modeset we force everything to
dpms on.
This change has already been applied to the i915 modeset code in
commit e3de42b68478a8c95dd27520e9adead2af9477a5
Author: Imre Deak <imre.deak@intel.com>
Date: Fri May 3 19:44:07 2013 +0200
drm/i915: force full modeset if the connector is in DPMS OFF mode
which according to Greg KH seems to aim for a new record in most
Bugzilla: links in a commit message.
The history of this dpms forcing is pretty interesting. This patch
here is an almost-revert of
commit 811aaa55ba21ab37407018cfc01770d6b037d3fb
Author: Keith Packard <keithp@keithp.com>
Date: Thu Feb 3 16:57:28 2011 -0800
drm: Only set DPMS ON when actually configuring a mode
which fixed the bug of trying to dpms on disabled outputs, but
introduced the new discrepancy between an fb update only and full
modesets. The actual introduction of this goes back to
commit bf9dc102e284a5aa78c73fc9d72e11d5ccd8669f
Author: Keith Packard <keithp@keithp.com>
Date: Fri Nov 26 10:45:58 2010 -0800
drm: Set connector DPMS status to ON in drm_crtc_helper_set_config
And if you'd dig around in the i915 driver code there's even more fun
around forcing dpms on and losing our heads and temper of the
resulting inconsistencies. Especially the DP re-training code had tons
of funny stuff in it.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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... since we already check for fb->pixel_format, which encodes all
this. The other two fields are only for backwards compat of older
drivers (and we might want to look into eventually just killing them).
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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There's no point in trying to clean up after driver-bugs, so just blow
up. Furthermore it's an interface abuse to set no mode but have an fb
and aslo to try to set an fb without enough connectors. These two
spefici cases of interface abuse have been committed by the fb helper,
but that's been fixed meanwhile in
commit 7e53f3a423146745a4e4bb93362d488dfad502a8
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Mon Jan 21 10:52:17 2013 +0100
drm/fb-helper: fixup set_config semantics
The i915 driver has been shipping since a while with these BUGs with
no reports, so should be save.
Note that this drops an ugly case where we clear crtc->fb behind the
upper levels back and so cause a refcounting mayhem, which Russell
Kins spotted while trying to hunt down a drm framebuffer leak.
Reported-by: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The following commit caused a fatal oops when booting on mpc83xx with
a non-express PCI bus (regardless of whether a PCI device is present):
commit 50d8f87d2b39313dae9d0a2d9b23d377328f2f7b
Author: Rojhalat Ibrahim <imr@rtschenk.de>
Date: Mon Apr 8 10:15:28 2013 +0200
powerpc/fsl-pci Make PCIe hotplug work with Freescale PCIe controllers
Up to now the PCIe link status on Freescale PCIe controllers was only
checked once at boot time. So hotplug did not work. With this patch the
link status is checked on every config read. PCIe devices not present at
boot time are found after doing 'echo 1 >/sys/bus/pci/rescan'.
Signed-off-by: Rojhalat Ibrahim <imr@rtschenk.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This patch fixes the issue by calling setup_indirect_pci for all device types.
fsl_indirect_read_config is now only used for booke/86xx PCIe controllers.
Reported-by: Michael Guntsche <mike@it-loops.com>
Cc: Scott Wood <scottwood@freescale.com>
Signed-off-by: Rojhalat Ibrahim <imr@rtschenk.de>
Signed-off-by: Scott Wood <scottwood@freescale.com>
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The following git commit changed the behavior of sscanf:
commit 53809751ac230a3611b5cdd375f3389f3207d471
Author: Jan Beulich <JBeulich@suse.com>
Date: Mon Dec 17 16:01:31 2012 -0800
sscanf: don't ignore field widths for numeric conversions
This broke the WWPN and LUN sysfs attributes for s390 reipl and dump
on panic.
Example:
$ echo 0x0123456701234567 > /sys/firmware/reipl/fcp/wwpn
$ cat /sys/firmware/reipl/fcp/wwpn
0x0001234567012345
So fix this and use format strings that work also with the
new sscanf implementation:
$ echo 0x012345670123456789 > /sys/firmware/reipl/fcp/wwpn
$ cat /sys/firmware/reipl/fcp/wwpn
0x0123456701234567
Cc: stable@vger.kernel.org # 3.8+
Reviewed-by: Steffen Maier <maier@linux.vnet.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Fix new kernel-doc warning in fs/splice.c:
Warning(fs/splice.c:1298): No description found for parameter 'opos'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input subsystem updates from Dmitry Torokhov:
"A few small fixups for cyttsp, wacom and xpad drivers"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: xpad - fix for "Mad Catz Street Fighter IV FightPad" controllers
Input: wacom - add a new stylus (0x100802) for Intuos5 and Cintiqs
Input: add missing dependencies on CONFIG_HAS_IOMEM
Input: cyttsp - fix swapped mfg_stat and mfg_cmd registers
Input: cyttsp - add missing handshake
Input: cyttsp - fix memcpy size param
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io_remap_pfn_range already sets this internally.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"These are two fixes that came in this week, one for a regression we
introduced in 3.10 in the GIC interrupt code, and the other one fixes
a typo in newly introduced code"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
irqchip: gic: call gic_cpu_init() as well in CPU_STARTING_FROZEN case
ARM: dts: Correct the base address of pinctrl_3 on Exynos5250
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fix from Greg Kroah-Hartman:
"Here's a single patch for the firmware core that resolves a reported
oops in the firmware core that people have been hitting."
* tag 'driver-core-3.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
firmware loader: fix use-after-free by double abort
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg Kroah-Hartman:
"Here are two USB patches for 3.10.
One updates the Kconfig wording for CONFIG_USB_PHY to make it,
hopefully, more obvious what this option is (I know you complained
about this when it hit the tree.) The other is a new device id for a
driver"
* tag 'usb-3.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: serial: ti_usb_3410_5052: new device id for Abbot strip port cable
usb: phy: Improve Kconfig help for CONFIG_USB_PHY
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pul tty fixes from Greg Kroah-Hartman:
"Here are two tty core fixes that resolve some regressions that have
been reported recently. Both tiny fixes, but needed"
* tag 'tty-3.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: Fix transient pty write() EIO
tty/vt: Return EBUSY if deallocating VT1 and it is busy
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Pull SCSI target fixes from Nicholas Bellinger:
"Included is the recent tcm_qla2xxx residual underrun length fix from
Roland, along with Joern's iscsi-target patch for session_lock
breakage within iscsit_stop_time2retain_timer() code. Both are CC'ed
to stable.
The remaining two are specific to recent iscsi-target + iser
conversion changes. One drops some left-over debug noise, and Andy's
patch fixes configfs attribute handling during an explicit network
portal feature bit disable when iser-target is unsupported."
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
iscsi-target: Remove left over v3.10-rc debug printks
target/iscsi: Fix op=disable + error handling cases in np_store_iser
tcm_qla2xxx: Fix residual for underrun commands that fail
target/iscsi: don't corrupt bh_count in iscsit_stop_time2retain_timer()
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
"Another set of fixes for Kernel 3.10.
This series contain:
- two Kbuild fixes for randconfig
- a buffer overflow when using rtl28xuu with r820t tuner
- one clk fixup on exynos4-is driver"
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] Fix build when drivers are builtin and frontend modules
[media] s5p makefiles: don't override other selections on obj-[ym]
[media] exynos4-is: Fix FIMC-IS clocks initialization
[media] rtl28xxu: fix buffer overflow when probing Rafael Micro r820t tuner
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs fixes from Al Viro:
"Several fixes for bugs caught while looking through f_pos (ab)users"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
aout32 coredump compat fix
splice: don't pass the address of ->f_pos to methods
mconsole: we'd better initialize pos before passing it to vfs_read()...
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This patch merges host1x_syncpt_cpu_incr to host1x_syncpt_incr() as
they are in practise doing the same thing. host1x_syncpt_incr() is
also modified to return error codes. User space interface is modified
accordingly to pass return values.
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Acked-By: Terje Bergstrom <tbergstrom@nvidia.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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client_managed field in syncpoint structure was defined as an
integer. The field holds, however, only a boolean value. This patch
modifies the type to boolean.
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Acked-By: Terje Bergstrom <tbergstrom@nvidia.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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This patch fixes a bad memory access in syncpoint request code. If
no syncpoints were available, the code accessed unreserved memory
area causing unexpected behaviour.
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Acked-By: Terje Bergstrom <tbergstrom@nvidia.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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The firewall verified gather buffers before copying them. This
allowed a malicious application to rewrite the buffer content by
timing the rewrite carefully.
This patch makes the buffer validation occur after copying the
buffers.
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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The firewall was reinitialised for each gather. Because the filter
was reinitialised, it did not track the class over gather boundaries.
This allowed the user application to set host1x class to one class
in one gather and use that class in another gather without firewall
having knowledge about that.
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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The firewall assumed that the user space always delivers a relocation
table when it is accessing address registers. If userspace did not
deliver a relocation table and tried to access the address registers,
the code performed bad memory accesses.
This patch modifies the firewall to check correctly that the firewall
table is available before accessing it. In addition, check_reloc() is
converted to use boolean return value (true when the reloc is valid,
false when invalid).
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Acked-By: Terje Bergstrom <tbergstrom@nvidia.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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The firewall code used a wrong loop condition (pointer to a
structure) while checking INCR opcode. This patch fixes the code to
use correct loop condition (number of words remaining).
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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DRIVER_BUS_PLATFORM is not a DRM driver feature flag, it must not be set
in the driver's driver_features field.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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Return NULL instead of 0 in host1x_bo_lookup().
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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Include definitions of used types by including drm/drm.h
Sparse output:
/usr/include/drm/tegra_drm.h:21:
found __[us]{8,16,32,64} type without
#include <linux/types.h>
Signed-off-by: Emil Goode <emilgoode@gmail.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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Change email to my private address, point file entry to the new location
below drivers/gpu/host1x, add include/uapi/drm/tegra_drm.h to maintained
file list and update git tree.
Furthermore, Terje Bergström will be co-maintaining.
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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dump_seek() does SEEK_CUR, not SEEK_SET; native binfmt_aout
handles it correctly (seeks by PAGE_SIZE - sizeof(struct user),
getting the current position to PAGE_SIZE), compat one seeks
by PAGE_SIZE and ends up at PAGE_SIZE + already written...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Peter Anvin:
"This series fixes a couple of build failures, and fixes MTRR cleanup
and memory setup on very specific memory maps.
Finally, it fixes triggering backtraces on all CPUs, which was
inadvertently disabled on x86."
* 'x86/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/efi: Fix dummy variable buffer allocation
x86: Fix trigger_all_cpu_backtrace() implementation
x86: Fix section mismatch on load_ucode_ap
x86: fix build error and kconfig for ia32_emulation and binfmt
range: Do not add new blank slot with add_range_with_merge
x86, mtrr: Fix original mtrr range get for mtrr_cleanup
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Pull drm radeon fixes from Dave Airlie:
"One core fix, but mostly radeon fixes for s/r and big endian UVD
support, and a fix to stop the GPU being reset for no good reason, and
crashing people's machines."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/radeon: update lockup tracking when scheduling in empty ring
drm/prime: Honor requested file flags when exporting a buffer
drm/radeon: fix UVD on big endian
drm/radeon: fix write back suspend regression with uvd v2
drm/radeon: do not try to uselessly update virtual memory pagetable
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
- Fix for a regression causing a failure to turn on some devices on
some systems during initialization introduced by a recent revert of
an ACPI PM change that broke something else. Fortunately, we know
exactly what devices are affected, so we can add a fix just for them
leaving everyone else alone.
- ACPI power resources initialization fix preventing a NULL pointer
from being dereferenced in the acpi_add_power_resource() error code
path.
- ACPI dock station driver fix that adds missing locking to
write_undock().
- ACPI resources allocation fix changing the scope of an old workaround
so that it doesn't affect systems that aren't actually buggy. This
was reported a couple of days ago to fix DMA problems on some new
platforms so we need it in -stable. From Mika Westerberg.
* tag 'acpi-3.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / LPSS: Power up LPSS devices during enumeration
ACPI / PM: Fix error code path for power resources initialization
ACPI / dock: Take ACPI scan lock in write_undock()
ACPI / resources: call acpi_get_override_irq() only for legacy IRQ resources
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Pull KVM fixes from Paolo Bonzini:
"Three one-line fixes for my first pull request; one for x86 host, one
for x86 guest, one for PPC"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
x86: kvmclock: zero initialize pvclock shared memory area
kvm/ppc/booke: Delay kvmppc_lazy_ee_enable
KVM: x86: remove vcpu's CPL check in host-invoked XCR set
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Pull crypto fix from Herbert Xu:
"This fixes an unaligned crash in XTS mode when using aseni_intel"
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: aesni_intel - fix accessing of unaligned memory
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull Ceph fix from Sage Weil:
"This fixes a problem preventing the kernel and userland librbd
libraries from sharing data with the new format 2 images"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
rbd: use the correct length for format 2 object names
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* Don't leak random kernel memory to EFI variable NVRAM when attempting
to initiate garbage collection. Also, free the kernel memory when
we're done with it instead of leaking - Ben Hutchings
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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ACPI part of the driver accidentally used sizeof(*ssp) instead of the
correct sizeof(*pdata). This leads to nasty memory corruptions like the one
below:
BUG: unable to handle kernel paging request at 0000000749fd30b8
IP: [<ffffffff813fe8a1>] __list_del_entry+0x31/0xd0
PGD 0
Oops: 0000 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 30 Comm: kworker/0:1 Not tainted 3.10.0-rc6v3.10-rc6_sdhci_modprobe+ #443
task: ffff8801483a0940 ti: ffff88014839e000 task.ti: ffff88014839e000
RIP: 0010:[<ffffffff813fe8a1>] [<ffffffff813fe8a1>] __list_del_entry+0x31/0xd0
RSP: 0000:ffff88014839fde8 EFLAGS: 00010046
RAX: ffff880149fd30b0 RBX: ffff880149fd3040 RCX: dead000000200200
RDX: 0000000749fd30b0 RSI: ffff880149fd3058 RDI: ffff88014834d640
RBP: ffff88014839fde8 R08: ffff88014834d640 R09: 0000000000000001
R10: ffff8801483a0940 R11: 0000000000000001 R12: ffff880149fd3040
R13: ffffffff810e0b30 R14: ffff8801483a0940 R15: ffff88014834d640
FS: 0000000000000000(0000) GS:ffff880149e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000168 CR3: 0000000001e0b000 CR4: 00000000001407f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Stack:
ffff88014839fe48 ffffffff810e0baf ffffffff81120abd ffff88014839fe20
ffff8801483a0940 ffff8801483a0940 ffff8801483a0940 ffff8801486b1c90
ffff88014834d640 ffffffff810e0b30 0000000000000000 0000000000000000
Call Trace:
[<ffffffff810e0baf>] worker_thread+0x7f/0x390
[<ffffffff81120abd>] ? trace_hardirqs_on+0xd/0x10
[<ffffffff810e0b30>] ? manage_workers.isra.22+0x2b0/0x2b0
[<ffffffff810e6c09>] kthread+0xd9/0xe0
[<ffffffff810f93df>] ? local_clock+0x3f/0x50
[<ffffffff810e6b30>] ? kthread_create_on_node+0x110/0x110
[<ffffffff818c5dec>] ret_from_fork+0x7c/0xb0
[<ffffffff810e6b30>] ? kthread_create_on_node+0x110/0x110
Fix this by using the right structure size in devm_kzalloc().
Reported-by: Jerome Blin <jerome.blin@intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org # 3.9+
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1. Check for allocation failure
2. Clear the buffer contents, as they may actually be written to flash
3. Don't leak the buffer
Compile-tested only.
[ Tested successfully on my buggy ASUS machine - Matt ]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
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Reported-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Writing 0 when iser was not previously enabled, so succeed but do
nothing so that user-space code doesn't need a try: catch block
when ib_isert logic is not available.
Also, return actual error from add_network_portal using PTR_ERR
during op=enable failure.
Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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into drm-fixes
One user visible fix to stop misreport GPU hangs and subsequent resets.
* 'drm-fixes-3.10' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: update lockup tracking when scheduling in empty ring
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