Pull timer fixes from Thomas Gleixner:
"Two fixlet from the timers departement:
- A fix for scheduler stalls in the tick idle code affecting
NOHZ_FULL kernels
- A trivial compile fix"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tick/nohz: Fix softlockup on scheduler stalls in kvm guest
clocksource/drivers/atmel-pit: Fix compilation error
generated by bcache)
- 2 other stable fixes for DM log-writes
- a stable fix for a DM crypt bug that could result in freeing pointers
from uninitialized memory in the tfm allocation error path
- a DM bufio cleanup to discontinue using create_singlethread_workqueue()
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Merge tag 'dm-4.8-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- a stable fix in both DM crypt and DM log-writes for too large bios
(as generated by bcache)
- two other stable fixes for DM log-writes
- a stable fix for a DM crypt bug that could result in freeing pointers
from uninitialized memory in the tfm allocation error path
- a DM bufio cleanup to discontinue using create_singlethread_workqueue()
* tag 'dm-4.8-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm bufio: remove use of deprecated create_singlethread_workqueue()
dm crypt: fix free of bad values after tfm allocation failure
dm crypt: fix error with too large bios
dm log writes: fix check of kthread_run() return value
dm log writes: fix bug with too large bios
dm log writes: move IO accounting earlier to fix error path
Here are a number of small driver fixes for 4.8-rc5.
The largest thing here is deleting an obsolete driver,
drivers/misc/bh1780gli.c, as the functionality of it was replaced by an
iio driver a while ago. The other fixes are things that have been
reported, or reverts of broken stuff (the binder change). All of these
changes have been in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are a number of small driver fixes for 4.8-rc5.
The largest thing here is deleting an obsolete driver,
drivers/misc/bh1780gli.c, as the functionality of it was replaced by
an iio driver a while ago.
The other fixes are things that have been reported, or reverts of
broken stuff (the binder change). All of these changes have been in
linux-next for a while with no reported issues"
* tag 'char-misc-4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
thunderbolt: Don't declare Falcon Ridge unsupported
thunderbolt: Add support for INTEL_FALCON_RIDGE_2C controller.
thunderbolt: Fix resume quirk for Falcon Ridge 4C.
lkdtm: Mark lkdtm_rodata_do_nothing() notrace
mei: me: disable driver on SPT SPS firmware
Revert "android: binder: fix dangling pointer comparison"
drivers/iio/light/Kconfig: SENSORS_BH1780 cleanup
android: binder: fix dangling pointer comparison
misc: delete bh1780 driver
Here are a number of small fixes for staging and IIO drivers that
resolve reported problems.
Full details are in the shortlog. All of these have been in linux-next
with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO driver fixes from Greg KH:
"Here are a number of small fixes for staging and IIO drivers that
resolve reported problems.
Full details are in the shortlog. All of these have been in
linux-next with no reported issues"
* tag 'staging-4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (35 commits)
arm: dts: rockchip: add reset node for the exist saradc SoCs
arm64: dts: rockchip: add reset saradc node for rk3368 SoCs
iio: adc: rockchip_saradc: reset saradc controller before programming it
iio: accel: kxsd9: Fix raw read return
iio: adc: ti_am335x_adc: Increase timeout value waiting for ADC sample
iio: adc: ti_am335x_adc: Protect FIFO1 from concurrent access
include/linux: fix excess fence.h kernel-doc notation
staging: wilc1000: correctly check if associatedsta has not been found
staging: wilc1000: NULL dereference on error
staging: wilc1000: txq_event: Fix coding error
MAINTAINERS: Add file patterns for ion device tree bindings
MAINTAINERS: Update maintainer entry for wilc1000
iio: chemical: atlas-ph-sensor: fix typo in val assignment
iio: fix sched WARNING "do not call blocking ops when !TASK_RUNNING"
staging: comedi: ni_mio_common: fix AO inttrig backwards compatibility
staging: comedi: dt2811: fix a precedence bug
staging: comedi: adv_pci1760: Do not return EINVAL for CMDF_ROUND_DOWN.
staging: comedi: ni_mio_common: fix wrong insn_write handler
staging: comedi: comedi_test: fix timer race conditions
staging: comedi: daqboard2000: bug fix board type matching code
...
Here are some small serial driver fixes for 4.8-rc5. One fixes an
oft-reported build issue with the fintek driver, another reverts a patch
that was causing problems, one fixes a crash, and some new device ids
were added.
All of these have been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull serial driver fixes from Greg KH:
"Here are some small serial driver fixes for 4.8-rc5. One fixes an
oft-reported build issue with the fintek driver, another reverts a
patch that was causing problems, one fixes a crash, and some new
device ids were added.
All of these have been in linux-next for a while"
* tag 'tty-4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: 8250: added acces i/o products quad and octal serial cards
serial: 8250_mid: fix divide error bug if baud rate is 0
Revert "tty/serial/8250: use mctrl_gpio helpers"
8250/fintek: rename IRQ_MODE macro
Here are some USB and PHY driver fixes for 4.8-rc5
Nothing major, lots of little fixes for reported bugs, and a build fix
for a missing .h file that the phy drivers needed. All of these have
been in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY fixes from Greg KH:
"Here are some USB and PHY driver fixes for 4.8-rc5
Nothing major, lots of little fixes for reported bugs, and a build fix
for a missing .h file that the phy drivers needed. All of these have
been in linux-next for a while with no reported issues"
* tag 'usb-4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (24 commits)
usb: musb: Fix locking errors for host only mode
usb: dwc3: gadget: always decrement by 1
usb: dwc3: debug: fix ep name on trace output
usb: gadget: udc: core: don't starve DMA resources
USB: serial: option: add WeTelecom 0x6802 and 0x6803 products
USB: avoid left shift by -1
USB: fix typo in wMaxPacketSize validation
usb: gadget: Add the gserial port checking in gs_start_tx()
usb: dwc3: gadget: don't rely on jiffies while holding spinlock
usb: gadget: fsl_qe_udc: signedness bug in qe_get_frame()
usb: gadget: function: f_rndis: socket buffer may be NULL
usb: gadget: function: f_eem: socket buffer may be NULL
usb: renesas_usbhs: gadget: fix return value check in usbhs_mod_gadget_probe()
usb: dwc2: Add reset control to dwc2
usb: dwc3: core: allow device to runtime_suspend several times
usb: dwc3: pci: runtime_resume child device
USB: serial: option: add WeTelecom WM-D200
usb: chipidea: udc: don't touch DP when controller is in host mode
USB: serial: mos7840: fix non-atomic allocation in write path
USB: serial: mos7720: fix non-atomic allocation in write path
...
Pull block fixes from Jens Axboe:
"A collection of fixes for the nvme over fabrics code"
* 'for-linus' of git://git.kernel.dk/linux-block:
nvme-rdma: Get rid of redundant defines
nvme-rdma: Get rid of duplicate variable
nvme: fabrics drivers don't need the nvme-pci driver
nvme-fabrics: get a reference when reusing a nvme_host structure
nvme-fabrics: change NQN UUID to big-endian format
nvme-loop: set sqsize to 0-based value, per spec
nvme-rdma: fix sqsize/hsqsize per spec
fabrics: define admin sqsize min default, per spec
nvmet-rdma: +1 to *queue_size from hsqsize/hrqsize
nvmet-rdma: Fix use after free
nvme-rdma: initialize ret to zero to avoid returning garbage
Pull TPM bugfix from James Morris.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
tpm: invalid self test error message
The driver emits invalid self test error message even though the init
succeeds.
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Fixes: cae8b441fc ("tpm: Factor out common startup code")
Reviewed-by: James Morris <james.l.morris@oracle.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
Two stable-candidate fixes for the ACPI early device probing code
added during the 4.4 cycle, one fixing a typo in a stub macro used
when CONFIG_ACPI is unset and one that prevents sleeping functions
from being called under a spinlock (Lorenzo Pieralisi).
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Merge tag 'acpi-4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes ffrom Rafael Wysocki:
"Two stable-candidate fixes for the ACPI early device probing code
added during the 4.4 cycle, one fixing a typo in a stub macro used
when CONFIG_ACPI is unset and one that prevents sleeping functions
from being called under a spinlock (Lorenzo Pieralisi)"
* tag 'acpi-4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / drivers: replace acpi_probe_lock spinlock with mutex
ACPI / drivers: fix typo in ACPI_DECLARE_PROBE_ENTRY macro
- Fix the definition of the cpufreq-dt driver's machines table
introduced during the 4.7 cycle that should be NULL-terminated,
but the termination entry is missing from it (Wei Yongjun).
- Annotate tracepoints in the runtime PM framework's core so as to
allow the functions containing them to be called from the idle
code path without causing RCU to complain about illegal usage
(Paul McKenney).
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Merge tag 'pm-4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"This includes a stable-candidate cpufreq-dt driver problem fix and
annotations of tracepoints in the runtime PM framework.
Specifics:
- Fix the definition of the cpufreq-dt driver's machines table
introduced during the 4.7 cycle that should be NULL-terminated, but
the termination entry is missing from it (Wei Yongjun).
- Annotate tracepoints in the runtime PM framework's core so as to
allow the functions containing them to be called from the idle code
path without causing RCU to complain about illegal usage (Paul
McKenney)"
* tag 'pm-4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / runtime: Add _rcuidle suffix to allow rpm_idle() use from idle
PM / runtime: Add _rcuidle suffix to allow rpm_resume() to be called from idle
cpufreq: dt: Add terminate entry for of_device_id tables
* pm-cpufreq-fixes:
cpufreq: dt: Add terminate entry for of_device_id tables
* pm-core-fixes:
PM / runtime: Add _rcuidle suffix to allow rpm_idle() use from idle
PM / runtime: Add _rcuidle suffix to allow rpm_resume() to be called from idle
Commit e647b53227 ("ACPI: Add early device probing infrastructure")
introduced code that allows inserting driver specific
struct acpi_probe_entry probe entries into ACPI linker sections
(one per-subsystem, eg irqchip, clocksource) that are then walked
to retrieve the data and function hooks required to probe the
respective kernel components.
Probing for all entries in a section is triggered through
the __acpi_probe_device_table() function, that in turn, according
to the table ID a given probe entry reports parses the table
with the function retrieved from the respective section structures
(ie struct acpi_probe_entry). Owing to the current ACPI table
parsing implementation, the __acpi_probe_device_table() function
has to share global variables with the acpi_match_madt() function, so
in order to guarantee mutual exclusion locking is required
between the two functions.
Current kernel code implements the locking through the acpi_probe_lock
spinlock; this has the side effect of requiring all code called
within the lock (ie struct acpi_probe_entry.probe_{table/subtbl} hooks)
not to sleep.
However, kernel subsystems that make use of the early probing
infrastructure are relying on kernel APIs that may sleep (eg
irq_domain_alloc_fwnode(), among others) in the function calls
pointed at by struct acpi_probe_entry.{probe_table/subtbl} entries
(eg gic_v2_acpi_init()), which is a bug.
Since __acpi_probe_device_table() is called from context
that is allowed to sleep the acpi_probe_lock spinlock can be replaced
with a mutex; this fixes the issue whilst still guaranteeing
mutual exclusion.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Fixes: e647b53227 (ACPI: Add early device probing infrastructure)
Cc: 4.4+ <stable@vger.kernel.org> # 4.4+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Patch 7f1d642fbb ("drivers/perf: arm-pmu: Fix handling of SPI lacking
interrupt-affinity property") unintended also fixes perf_event support
for bcm2835 which doesn't have PMU interrupts. Unfortunately this change
introduce a NULL pointer dereference on bcm2835, because irq_is_percpu
always expected to be called with a valid IRQ. So fix this regression
by validating the IRQ before.
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Fixes: 7f1d642fbb ("drivers/perf: arm-pmu: Fix handling of SPI lacking "interrupt-affinity" property")
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
In case of a IRQ type mismatch in of_pmu_irq_cfg() the
device node for interrupt affinity isn't freed. So fix this
issue by calling of_node_put().
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Fixes: fa8ad7889d ("arm: perf: factor arm_pmu core out to drivers")
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
The fixes this time are all in drivers:
o possible NULL dereference in img-mdc
o correct device identity for free_irq in at_xdmac
o missing of_node_put() in fsl probe
o fix debug log and hotchain corner case for pxa-dma
o fix checking hardware bits in isr in usb dmac
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Merge tag 'dmaengine-fix-4.8-rc5' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fixes from Vinod Koul:
"The fixes this time are all in drivers:
- possible NULL dereference in img-mdc
- correct device identity for free_irq in at_xdmac
- missing of_node_put() in fsl probe
- fix debug log and hotchain corner case for pxa-dma
- fix checking hardware bits in isr in usb dmac"
* tag 'dmaengine-fix-4.8-rc5' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: img-mdc: fix a possible NULL dereference
dmaengine: at_xdmac: fix to pass correct device identity to free_irq()
dmaengine: fsl_raid: add missing of_node_put() in fsl_re_probe()
dmaengine: pxa_dma: fix debug message
dmaengine: pxa_dma: fix hotchain corner case
dmaengine: usb-dmac: check CHCR.DE bit in usb_dmac_isr_channel()
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Merge tag 'drm-fixes-for-4.8-rc5' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"Contains fixes for imx, amdgpu, vc4, msm and one nouveau ACPI fix"
* tag 'drm-fixes-for-4.8-rc5' of git://people.freedesktop.org/~airlied/linux:
drm/amdgpu: record error code when ring test failed
drm/amd/amdgpu: compute ring test fail during S4 on CI
drm/amd/amdgpu: sdma resume fail during S4 on CI
drm/nouveau/acpi: use DSM if bridge does not support D3cold
drm/imx: fix crtc vblank state regression
drm/imx: Add active plane reconfiguration support
drm/msm: protect against faults from copy_from_user() in submit ioctl
drm/msm: fix use of copy_from_user() while holding spinlock
drm/vc4: Fix oops when userspace hands in a bad BO.
drm/vc4: Fix overflow mem unreferencing when the binner runs dry.
drm/vc4: Free hang state before destroying BO cache.
drm/vc4: Fix handling of a pm_runtime_get_sync() success case.
drm/vc4: Use drm_malloc_ab to fix large rendering jobs.
drm/vc4: Use drm_free_large() on handles to match its allocation.
covered by testcases.
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Merge tag 'drm-vc4-fixes-2016-08-29' of https://github.com/anholt/linux into drm-fixes
This pull request brings in fixes for VC4 3D in 4.8, most of which are
covered by testcases.
* tag 'drm-vc4-fixes-2016-08-29' of https://github.com/anholt/linux:
drm/vc4: Fix oops when userspace hands in a bad BO.
drm/vc4: Fix overflow mem unreferencing when the binner runs dry.
drm/vc4: Free hang state before destroying BO cache.
drm/vc4: Fix handling of a pm_runtime_get_sync() success case.
drm/vc4: Use drm_malloc_ab to fix large rendering jobs.
drm/vc4: Use drm_free_large() on handles to match its allocation.
- add active plane reconfiguration support
- add back crtc vblank state reporting
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Merge tag 'imx-drm-fixes-2016-08-30' of git://git.pengutronix.de/git/pza/linux into drm-fixes
imx-drm atomic modeset regression fixes
- add active plane reconfiguration support
- add back crtc vblank state reporting
* tag 'imx-drm-fixes-2016-08-30' of git://git.pengutronix.de/git/pza/linux:
drm/imx: fix crtc vblank state regression
drm/imx: Add active plane reconfiguration support
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"A collection of small fixes for various SoC vendor clk drivers"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: rockchip: mark aclk_emmc_noc as a critical clock on rk3399
clk: tegra: remove TEGRA_PLL_USE_LOCK for PLLD/PLLD2
clk: rockchip: fix incorrect GATE bits for {c, g}pll_aclk_perihp_src on rk3399
clk: rockchip: fix incorrect aclk_emmc source gate bits on rk3399
clk: renesas: r8a7795: Fix SD clocks
clk: rockchip: fix rk3399 aclk_vio gate bit
clk: sunxi-ng: Fix inverted test condition in ccu_helper_wait_for_lock
Fix incorrect condition to identify involvment of a address translation
mechanism.
This bug results in NULL pointer kernel crash dump in cases when mapping
of inbound RapidIO address range is requested within existing aprture.
Link: http://lkml.kernel.org/r/20160901173144.2983-1-alexandre.bounine@idt.com
Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Andre van Herk <andre.van.herk@prodrive-technologies.com>
Cc: Barry Wood <barry.wood@idt.com>
Cc: <stable@vger.kernel.org> [4.6+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
copy from user fixes.
* 'msm-fixes-4.8' of git://people.freedesktop.org/~robclark/linux:
drm/msm: protect against faults from copy_from_user() in submit ioctl
drm/msm: fix use of copy_from_user() while holding spinlock
Otherwise we may miss errors.
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
unhalt Instrction Fetch Unit after all rings are inited.
Signed-off-by: JimQu <Jim.Qu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
SDMA could be fail in the thaw() and restore() processes, do software reset
if each SDMA engine is busy.
Signed-off-by: JimQu <Jim.Qu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Pull crypto fixes from Herbert Xu:
"This fixes the following issues:
- Kconfig problem that prevented mxc-rnga from being enabled
- bogus key sizes in qat aes-xts
- buggy aes-xts code in vmx"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: vmx - fix null dereference in p8_aes_xts_crypt
crypto: qat - fix aes-xts key sizes
hwrng: mxc-rnga - Fix Kconfig dependency
Added devices ids for acces i/o products quad and octal serial cards
that make use of existing Pericom PI7C9X7954 and PI7C9X7958
configurations .
Signed-off-by: Jimi Damon <jdamon@accesio.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Since the commit c1a67b48f6 ("serial: 8250_pci: replace switch-case by
formula for Intel MID"), the 8250 driver crashes in the byt_set_termios()
function with a divide error. This is caused by the fact that a baud rate of 0
(B0) is not handled properly. Fix it by falling back to B9600 in this case.
Reported-by: "Mendez Salinas, Fernando" <fernando.mendez.salinas@intel.com>
Fixes: c1a67b48f6 ("serial: 8250_pci: replace switch-case by formula for Intel MID")
Cc: stable@vger.kernel.org
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Serial console is broken in v4.8-rcX. Mika and I independently bisected down to
commit 4ef03d3287 ("tty/serial/8250: use mctrl_gpio helpers").
Since neither author nor anyone else didn't propose a solution we better revert
it for now.
This reverts commit 4ef03d3287.
Link: https://lkml.kernel.org/r/20160809130229.GN1729@lahna.fi.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Tested-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Falcon Ridge 4C has been supported by the driver from the beginning,
Falcon Ridge 2C support was just added. Don't irritate users with a
warning declaring the opposite.
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Andreas Noever <andreas.noever@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
From: Xavier Gnata <xavier.gnata@gmail.com>
Add support to INTEL_FALCON_RIDGE_2C controller and corresponding quirk
to support suspend/resume.
Tested against 4.7 master on a MacBook Air 11" 2015.
Signed-off-by: Andreas Noever <andreas.noever@gmail.com>
Reviewed-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The quirk 'quirk_apple_wait_for_thunderbolt' did not fire on Falcon
Ridge 4C controllers with subdevice/subvendor set to zero. This lead
to lost pci devices on system resume.
Older thunderbolt controllers (pre Falcon Ridge) used the same device id
for bridges and for the controller. On Apple hardware the subvendor- &
subdevice-ids were set for the controller, but not for bridges. So that
is what was used to differentiate between the two. Starting with Falcon
Ridge bridges and controllers received different device ids.
Additionally on some MacBookPro models (but not all) the
subvendor/subdevice was zeroed.
Starting with a42fb351c (thunderbolt: Allow loading of module on recent
Apple MacBooks with thunderbolt 2 controller) the thunderbolt driver
binds to all Falcon Ridge 4C controllers (irregardless of
subvendor/subdevice). The corresponding quirk was not updated.
This commit changes the quirk to check the device class instead of its
subvendor-/subdeviceids. This works for all generations of Thunderbolt
controllers.
Signed-off-by: Andreas Noever <andreas.noever@gmail.com>
Reviewed-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
lkdtm_rodata_do_nothing() is an empty function which is generated in
order to test the non-executability of rodata.
Currently if function tracing is enabled then an mcount callsite will be
generated for lkdtm_rodata_do_nothing(), and it will appear in the list
of available functions for function tracing (available_filter_functions).
Given it's purpose purely as a test function, it seems preferable for
lkdtm_rodata_do_nothing() to be marked notrace, so it doesn't appear as
traceable.
This also avoids triggering a linker bug on powerpc:
https://sourceware.org/bugzilla/show_bug.cgi?id=20428
When the linker sees code that needs to generate a call stub, eg. a
branch to mcount(), it assumes the section is executable and
dereferences a NULL pointer leading to a linker segfault. Marking
lkdtm_rodata_do_nothing() notrace avoids triggering the bug because the
function contains no other function calls.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Even if PR3 support is available on the bridge, it will not be used if
the PCI layer considers it unavailable (i.e. on all laptops from 2013
and 2014). Ensure that this condition is checked to allow a fallback to
the Optimus DSM for device poweroff.
Initially I wanted to call pci_d3cold_enable before checking bridge_d3
(in case the user changed d3cold_allowed), but that is such an unlikely
case and likely fragile anyway. The current patch is suggested by Mika
in http://www.spinics.net/lists/linux-pci/msg52599.html
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Peter Wu <peter@lekensteyn.nl>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit appends a few _rcuidle suffixes to fix the following
RCU-used-from-idle bug:
> ===============================
> [ INFO: suspicious RCU usage. ]
> 4.6.0-rc5-next-20160426+ #1116 Not tainted
> -------------------------------
> include/trace/events/rpm.h:95 suspicious rcu_dereference_check() usage!
>
> other info that might help us debug this:
>
>
> RCU used illegally from idle CPU!
> rcu_scheduler_active = 1, debug_locks = 0
> RCU used illegally from extended quiescent state!
> 1 lock held by swapper/0/0:
> #0: (&(&dev->power.lock)->rlock){-.-...}, at: [<c052cc2c>] __rpm_callback+0x58/0x60
>
> stack backtrace:
> CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.6.0-rc5-next-20160426+ #1116
> Hardware name: Generic OMAP36xx (Flattened Device Tree)
> [<c0110290>] (unwind_backtrace) from [<c010c3a8>] (show_stack+0x10/0x14)
> [<c010c3a8>] (show_stack) from [<c047fd68>] (dump_stack+0xb0/0xe4)
> [<c047fd68>] (dump_stack) from [<c052d5d0>] (rpm_suspend+0x580/0x768)
> [<c052d5d0>] (rpm_suspend) from [<c052ec58>] (__pm_runtime_suspend+0x64/0x84)
> [<c052ec58>] (__pm_runtime_suspend) from [<c04bf25c>] (omap2_gpio_prepare_for_idle+0x5c/0x70)
> [<c04bf25c>] (omap2_gpio_prepare_for_idle) from [<c0125568>] (omap_sram_idle+0x140/0x244)
> [<c0125568>] (omap_sram_idle) from [<c01269dc>] (omap3_enter_idle_bm+0xfc/0x1ec)
> [<c01269dc>] (omap3_enter_idle_bm) from [<c0601bdc>] (cpuidle_enter_state+0x80/0x3d4)
> [<c0601bdc>] (cpuidle_enter_state) from [<c0183b08>] (cpu_startup_entry+0x198/0x3a0)
> [<c0183b08>] (cpu_startup_entry) from [<c0b00c0c>] (start_kernel+0x354/0x3c8)
> [<c0b00c0c>] (start_kernel) from [<8000807c>] (0x8000807c)
In the immortal words of Steven Rostedt, "*Whack* *Whack* *Whack*!!!"
Reported-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
WhACKED-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The workqueue "dm_bufio_wq" queues a single work item &dm_bufio_work so
it doesn't require execution ordering. Hence, alloc_workqueue() has
been used to replace the deprecated create_singlethread_workqueue().
The WQ_MEM_RECLAIM flag has been set since DM requires forward progress
under memory pressure.
Since there are fixed number of work items, explicit concurrency
limit is unnecessary here.
Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
If crypt_alloc_tfms() had to allocate multiple tfms and it failed before
the last allocation, then it would call crypt_free_tfms() and could free
pointers from uninitialized memory -- due to the crypt_free_tfms() check
for non-zero cc->tfms[i]. Fix by allocating zeroed memory.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
When dm-crypt processes writes, it allocates a new bio in
crypt_alloc_buffer(). The bio is allocated from a bio set and it can
have at most BIO_MAX_PAGES vector entries, however the incoming bio can be
larger (e.g. if it was allocated by bcache). If the incoming bio is
larger, bio_alloc_bioset() fails and an error is returned.
To avoid the error, we test for a too large bio in the function
crypt_map() and use dm_accept_partial_bio() to split the bio.
dm_accept_partial_bio() trims the current bio to the desired size and
asks DM core to send another bio with the rest of the data.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org # v3.16+
The kthread_run() function returns either a valid task_struct or
ERR_PTR() value, check for NULL is invalid. This change fixes potential
for oops, e.g. in OOM situation.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
bio_alloc() can allocate a bio with at most BIO_MAX_PAGES (256) vector
entries. However, the incoming bio may have more vector entries if it
was allocated by other means. For example, bcache submits bios with
more than BIO_MAX_PAGES entries. This results in bio_alloc() failure.
To avoid the failure, change the code so that it allocates bio with at
most BIO_MAX_PAGES entries. If the incoming bio has more entries,
bio_add_page() will fail and a new bio will be allocated - the code that
handles bio_add_page() failure already exists in the dm-log-writes
target.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reviewed-by: Josef Bacik <jbacik@fb,com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org # v4.1+
Move log_one_block()'s atomic_inc(&lc->io_blocks) before bio_alloc() to
fix a bug that the target hangs if bio_alloc() fails. The error path
does put_io_block(lc), so atomic_inc(&lc->io_blocks) must occur before
invoking the error path to avoid underflow of lc->io_blocks.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reviewed-by: Josef Bacik <jbacik@fb,com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
Pull MD fixes from Shaohua Li:
"This includes several bug fixes:
- Alexey Obitotskiy fixed a hang for faulty raid5 array with external
management
- Song Liu fixed two raid5 journal related bugs
- Tomasz Majchrzak fixed a bad block recording issue and an
accounting issue for raid10
- ZhengYuan Liu fixed an accounting issue for raid5
- I fixed a potential race condition and memory leak with DIF/DIX
enabled
- other trival fixes"
* tag 'md/4.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md:
raid5: avoid unnecessary bio data set
raid5: fix memory leak of bio integrity data
raid10: record correct address of bad block
md-cluster: fix error return code in join()
r5cache: set MD_JOURNAL_CLEAN correctly
md: don't print the same repeated messages about delayed sync operation
md: remove obsolete ret in md_start_sync
md: do not count journal as spare in GET_ARRAY_INFO
md: Prevent IO hold during accessing to faulty raid5 array
MD: hold mddev lock to change bitmap location
raid5: fix incorrectly counter of conf->empty_inactive_list_nr
raid10: increment write counter after bio is split
Pull libata fixes from Tejun Heo:
"Two libata driver specific fixes for v4.8-rc4. Nothing too scary"
* 'for-4.8-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
pata_ninja32: Avoid corrupting status flags
ahci: disable correct irq for dummy ports
Ninja32 needs to set some flags to indicate it does 32bit IO. However it currently assigns this which
loses the initializing flag and causes a warning spew. Fix it to use a logical or as is intended.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Tested-by: Ellmar Stelnberger <estellnb@elstel.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
Sunrise Point PCH with SPS Firmware doesn't expose working
MEI interface, we need to quirk it out.
The SPS Firmware is identifiable only on the first PCI function
of the device.
Cc: <stable@vger.kernel.org> #4.6+
Tested-by: Sujith Pandel <sujith_pandel@dell.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
If we have USB gadgets disabled and USB_MUSB_HOST set, we get
errors "possible irq lock inverssion dependency detected"
errors during boot.
Let's fix the issue by adding start_musb flag and start
the controller after we're out of the spinlock protected
section.
Reported-by: Ladislav Michl <ladis@linux-mips.org>
Tested-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
