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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull DeviceTree updates from Rob Herring:
- fix sparse warnings in drivers/of/
- add more overlay unittests
- update dtc to v1.4.4-8-g756ffc4f52f6. This adds more checks on dts
files such as unit-address formatting and stricter character sets for
node and property names
- add a common DT modalias function
- move trivial-devices.txt up and out of i2c dir
- ARM NVIC interrupt controller binding
- vendor prefixes for Sensirion, Dioo, Nordic, ROHM
- correct some binding file locations
* tag 'devicetree-for-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (24 commits)
of: fix sparse warnings in fdt, irq, reserved mem, and resolver code
of: fix sparse warning in of_pci_range_parser_one
of: fix sparse warnings in of_find_next_cache_node
of/unittest: Missing unlocks on error
of: fix uninitialized variable warning for overlay test
of: fix unittest build without CONFIG_OF_OVERLAY
of: Add unit tests for applying overlays
of: per-file dtc compiler flags
fpga: region: add missing DT documentation for config complete timeout
of: Add vendor prefix for ROHM Semiconductor
of: fix "/cpus" reference leak in of_numa_parse_cpu_nodes()
of: Add vendor prefix for Nordic Semiconductor
dt-bindings: arm,nvic: Binding for ARM NVIC interrupt controller on Cortex-M
dtc: update warning settings for new bus and node/property name checks
scripts/dtc: Update to upstream version v1.4.4-8-g756ffc4f52f6
scripts/dtc: automate getting dtc version and log in update script
of: Add function for generating a DT modalias with a newline
of: fix of_device_get_modalias returned length when truncating buffers
Documentation: devicetree: move trivial-devices out of I2C realm
dt-bindings: add vendor prefix for Dioo
..
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- DM cache metadata fixes to short-circuit operations that require the
metadata not be in 'fail_io' mode. Otherwise crashes are possible.
- a DM cache fix to address the inability to adapt to continuous IO
that happened to also reflect a changing working set (which required
old blocks be demoted before the new working set could be promoted)
- a DM cache smq policy cleanup that fell out from reviewing the above
- fix the Kconfig help text for CONFIG_DM_INTEGRITY
* tag 'for-4.12/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm cache metadata: fail operations if fail_io mode has been established
dm integrity: improve the Kconfig help text for DM_INTEGRITY
dm cache policy smq: cleanup free_target_met() and clean_target_met()
dm cache policy smq: allow demotions to happen even during continuous IO
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm updates from Dan Williams:
"The bulk of this has been in multiple -next releases. There were a few
late breaking fixes and small features that got added in the last
couple days, but the whole set has received a build success
notification from the kbuild robot.
Change summary:
- Region media error reporting: A libnvdimm region device is the
parent to one or more namespaces. To date, media errors have been
reported via the "badblocks" attribute attached to pmem block
devices for namespaces in "raw" or "memory" mode. Given that
namespaces can be in "device-dax" or "btt-sector" mode this new
interface reports media errors generically, i.e. independent of
namespace modes or state.
This subsequently allows userspace tooling to craft "ACPI 6.1
Section 9.20.7.6 Function Index 4 - Clear Uncorrectable Error"
requests and submit them via the ioctl path for NVDIMM root bus
devices.
- Introduce 'struct dax_device' and 'struct dax_operations': Prompted
by a request from Linus and feedback from Christoph this allows for
dax capable drivers to publish their own custom dax operations.
This fixes the broken assumption that all dax operations are
related to a persistent memory device, and makes it easier for
other architectures and platforms to add customized persistent
memory support.
- 'libnvdimm' core updates: A new "deep_flush" sysfs attribute is
available for storage appliance applications to manually trigger
memory controllers to drain write-pending buffers that would
otherwise be flushed automatically by the platform ADR
(asynchronous-DRAM-refresh) mechanism at a power loss event.
Support for "locked" DIMMs is included to prevent namespaces from
surfacing when the namespace label data area is locked. Finally,
fixes for various reported deadlocks and crashes, also tagged for
-stable.
- ACPI / nfit driver updates: General updates of the nfit driver to
add DSM command overrides, ACPI 6.1 health state flags support, DSM
payload debug available by default, and various fixes.
Acknowledgements that came after the branch was pushed:
- commmit 565851c972b5 "device-dax: fix sysfs attribute deadlock":
Tested-by: Yi Zhang <yizhan@redhat.com>
- commit 23f498448362 "libnvdimm: rework region badblocks clearing"
Tested-by: Toshi Kani <toshi.kani@hpe.com>"
* tag 'libnvdimm-for-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: (52 commits)
libnvdimm, pfn: fix 'npfns' vs section alignment
libnvdimm: handle locked label storage areas
libnvdimm: convert NDD_ flags to use bitops, introduce NDD_LOCKED
brd: fix uninitialized use of brd->dax_dev
block, dax: use correct format string in bdev_dax_supported
device-dax: fix sysfs attribute deadlock
libnvdimm: restore "libnvdimm: band aid btt vs clear poison locking"
libnvdimm: fix nvdimm_bus_lock() vs device_lock() ordering
libnvdimm: rework region badblocks clearing
acpi, nfit: kill ACPI_NFIT_DEBUG
libnvdimm: fix clear length of nvdimm_forget_poison()
libnvdimm, pmem: fix a NULL pointer BUG in nd_pmem_notify
libnvdimm, region: sysfs trigger for nvdimm_flush()
libnvdimm: fix phys_addr for nvdimm_clear_poison
x86, dax, pmem: remove indirection around memcpy_from_pmem()
block: remove block_device_operations ->direct_access()
block, dax: convert bdev_dax_supported() to dax_direct_access()
filesystem-dax: convert to dax_direct_access()
Revert "block: use DAX for partition table reads"
ext2, ext4, xfs: retrieve dax_device for iomap operations
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO updates from Greg KH:
"Here is the big staging tree update for 4.12-rc1.
It's a big one, adding about 350k new lines of crap^Wcode, mostly all
in a big dump of media drivers from Intel. But there's other new
drivers in here as well, yet-another-wifi driver, new IIO drivers, and
a new crypto accelerator.
We also deleted a bunch of stuff, mostly in patch cleanups, but also
the Android ION code has shrunk a lot, and the Android low memory
killer driver was finally deleted, much to the celebration of the -mm
developers.
All of these have been in linux-next with a few build issues that will
show up when you merge to your tree"
Merge conflicts in the new rtl8723bs driver (due to the wifi changes
this merge window) handled as per linux-next, courtesy of Stephen
Rothwell.
* tag 'staging-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1182 commits)
staging: fsl-mc/dpio: add cpu <--> LE conversion for dpaa2_fd
staging: ks7010: remove line continuations in quoted strings
staging: vt6656: use tabs instead of spaces
staging: android: ion: Fix unnecessary initialization of static variable
staging: media: atomisp: fix range checking on clk_num
staging: media: atomisp: fix misspelled word in comment
staging: media: atomisp: kmap() can't fail
staging: atomisp: remove #ifdef for runtime PM functions
staging: atomisp: satm include directory is gone
atomisp: remove some more unused files
atomisp: remove hmm_load/store/clear indirections
atomisp: kill off mmgr_free
atomisp: clean up the hmm init/cleanup indirections
atomisp: handle allocation calls before init in the hmm layer
staging: fsl-dpaa2/eth: Add maintainer for Ethernet driver
staging: fsl-dpaa2/eth: Add TODO file
staging: fsl-dpaa2/eth: Add trace points
staging: fsl-dpaa2/eth: Add driver specific stats
staging: fsl-dpaa2/eth: Add ethtool support
staging: fsl-dpaa2/eth: Add Freescale DPAA2 Ethernet driver
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
"Media updates for v4.12-rc1:
- new driver to support mediatek jpeg in hardware codec
- rc-lirc, s5p-cec and st-cec staging drivers got promoted
- hardware histogram support for vsp1 driver
- added Virtual Media Controller driver, to make easier to test the
media controller
- added a new CEC driver (rainshadow-cec)
- removed two staging LIRC drivers for obscure hardware that are too
obsolete
- added support for Intel SR300 Depth camera
- some improvements at CEC and RC core
- lots of driver cleanups, improvements all over the tree
With this series, we're finally getting rid of the LIRC staging
driver. There's just one left (lirc_zilog), with require more care,
as part of its functionality (IR RX) is already provided by another
driver. Work in progress to convert it on the proper way"
* tag 'media/v4.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (304 commits)
[media] ov2640: print error if devm_*_optional*() fails
[media] atmel-isc: Fix the static checker warning
[media] ov2640: add support for MEDIA_BUS_FMT_YVYU8_2X8 and MEDIA_BUS_FMT_VYUY8_2X8
[media] ov2640: fix vflip control
[media] ov2640: fix duplicate width+height returning from ov2640_select_win()
[media] ov2640: add missing write to size change preamble
[media] ov2640: add information about DSP register 0xc7
[media] ov2640: improve banding filter register definitions/documentation
[media] ov2640: fix init sequence alignment
[media] ov2640: make GPIOLIB an optional dependency
[media] xc5000: fix spelling mistake: "calibration"
[media] vidioc-queryctrl.rst: fix menu/int menu references
[media] media-entity: only call dev_dbg_obj if mdev is not NULL
[media] pixfmt-meta-vsp1-hgo.rst: remove spurious '-'
[media] mtk-vcodec: avoid warnings because of empty macros
[media] coda: bump maximum number of internal framebuffers to 17
[media] media: mtk-vcodec: remove informative log
[media] subdev-formats.rst: remove spurious '-'
[media] dw2102: limit messages to buffer size
[media] ttusb2: limit messages to buffer size
...
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git://people.freedesktop.org/~airlied/linux
Pull drm tegra updates from Dave Airlie:
"I missed a pull request from Thierry, this stuff has been in
linux-next for a while anyways.
It does contain a branch from the iommu tree, but Thierry said it
should be fine"
* tag 'drm-forgot-about-tegra-for-v4.12-rc1' of git://people.freedesktop.org/~airlied/linux:
gpu: host1x: Fix host1x driver shutdown
gpu: host1x: Support module reset
gpu: host1x: Sort includes alphabetically
drm/tegra: Add VIC support
dt-bindings: Add bindings for the Tegra VIC
drm/tegra: Add falcon helper library
drm/tegra: Add Tegra DRM allocation API
drm/tegra: Add tiling FB modifiers
drm/tegra: Don't leak kernel pointer to userspace
drm/tegra: Protect IOMMU operations by mutex
drm/tegra: Enable IOVA API when IOMMU support is enabled
gpu: host1x: Add IOMMU support
gpu: host1x: Fix potential out-of-bounds access
iommu/iova: Fix compile error with CONFIG_IOMMU_IOVA=m
iommu: Add dummy implementations for !IOMMU_IOVA
MAINTAINERS: Add related headers to IOMMU section
iommu/iova: Consolidate code for adding new node to iovad domain rbtree
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Fix NULL pointer reference.
Signed-off-by: Pixel Ding <Pixel.Ding@amd.com>
Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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exceeds maximum.
cherry-pick from amd windows driver.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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alpha:allmodconfig fails to build as follows.
drivers/gpu/drm/amd/amdgpu/amdgpu.h:1006:2: error:
expected identifier before '(' token
drivers/gpu/drm/amd/amdgpu/amdgpu.h:1011:28: error:
'NGG_BUF_MAX' undeclared here
The problem is not really the enum definition of NGG_BUF_MAX but PARAM,
which happens to be defined differently for alpha and a couple of other
architectures.
Use less generic defines for NGG enums to solve the problem.
Fixes: bce23e00f3369 ("drm/amdgpu: add NGG parameters")
Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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rather than hardcoding it.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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We already have this info: max_gs_threads. Drop the duplicate.
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Vega10 atomfirmware do not have ASIC_InternalSS_Info table
so disable this feature by default in driver.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Ken Wang <Qingqing.wang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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1. fix typo in print message info.
2. fix block comments's coding style.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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if bo->shadow is NULL (race issue:BO shadow was just released
and gpu-reset kick in but BO hasn't yet) recover_vram_from_shadow
won't set @next, so the following "fence=next"
will wrongly use a fence pointer which may already dirty.
fixing it by set next to NULL prior to recover_vram_from_shadow
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Chunming Zhou<david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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otherwise we'll lost the high 32 bit for pte, which lead
to incorrect MTYPE for vega10.
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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this value is used by avfs to adjust inversion voltage.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This is a valid configuration.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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SMU not support FanTargetTemperature in pptable,
so send msg instand.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Send the VBIOS bootup VDDC as a SOC floor voltage to SMU
before populating the PPTABLE. After DPM is enabled, This
floor voltage will be removed. This will prevent SMC from
going to Vmin upon receiving PPTable causing a violation.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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1. return error code instand of -1.
2. print msg info if send msg failed
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The ACPI SCI (System Control Interrupt) is set up as a wakeup IRQ
during suspend-to-idle transitions and, consequently, any events
signaled through it wake up the system from that state. However,
on some systems some of the events signaled via the ACPI SCI while
suspended to idle should not cause the system to wake up. In fact,
quite often they should just be discarded.
Arguably, systems should not resume entirely on such events, but in
order to decide which events really should cause the system to resume
and which are spurious, it is necessary to resume up to the point
when ACPI SCIs are actually handled and processed, which is after
executing dpm_resume_noirq() in the system resume path.
For this reasons, add a loop around freeze_enter() in which the
platforms can process events signaled via multiplexed IRQ lines
like the ACPI SCI and add suspend-to-idle hooks that can be
used for this purpose to struct platform_freeze_ops.
In the ACPI case, the ->wake hook is used for checking if the SCI
has triggered while suspended and deferring the interrupt-induced
system wakeup until the events signaled through it are actually
processed sufficiently to decide whether or not the system should
resume. In turn, the ->sync hook allows all of the relevant event
queues to be flushed so as to prevent events from being missed due
to race conditions.
In addition to that, some ACPI code processing wakeup events needs
to be modified to use the "hard" version of wakeup triggers, so that
it will cause a system resume to happen on device-induced wakeup
events even if the "soft" mechanism to prevent the system from
suspending is not enabled (that also helps to catch device-induced
wakeup events occurring during suspend transitions in progress).
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The system wakeup framework is not very consistent with respect to
the way it handles suspend-to-idle and generally wakeup events
occurring during transitions to system low-power states.
First off, system transitions in progress are aborted by the event
reporting helpers like pm_wakeup_event() only if the wakeup_count
sysfs attribute is in use (as documented), but there are cases in
which system-wide transitions should be aborted even if that is
not the case. For example, a wakeup signal from a designated
wakeup device during system-wide PM transition, it should cause
the transition to be aborted right away.
Moreover, there is a freeze_wake() call in wakeup_source_activate(),
but that really is only effective after suspend_freeze_state has
been set to FREEZE_STATE_ENTER by freeze_enter(). However, it
is very unlikely that wakeup_source_activate() will ever be called
at that time, as it could only be triggered by a IRQF_NO_SUSPEND
interrupt handler, so wakeups from suspend-to-idle don't really
occur in wakeup_source_activate().
At the same time there is a way to abort a system suspend in
progress (or wake up the system from suspend-to-idle), which is by
calling pm_system_wakeup(), but in turn that doesn't cause any
wakeup source objects to be activated, so it will not be covered
by wakeup source statistics and will not prevent the system from
suspending again immediately (in case autosleep is used, for
example). Consequently, if anyone wants to abort system transitions
in progress and allow the wakeup_count mechanism to work, they need
to use both pm_system_wakeup() and pm_wakeup_event(), say, at the
same time which is awkward.
For the above reasons, make it possible to trigger
pm_system_wakeup() from within wakeup_source_activate() and
provide a new pm_wakeup_hard_event() helper to do so within the
wakeup framework.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Catalin Marinas:
- kdump support, including two necessary memblock additions:
memblock_clear_nomap() and memblock_cap_memory_range()
- ARMv8.3 HWCAP bits for JavaScript conversion instructions, complex
numbers and weaker release consistency
- arm64 ACPI platform MSI support
- arm perf updates: ACPI PMU support, L3 cache PMU in some Qualcomm
SoCs, Cortex-A53 L2 cache events and DTLB refills, MAINTAINERS update
for DT perf bindings
- architected timer errata framework (the arch/arm64 changes only)
- support for DMA_ATTR_FORCE_CONTIGUOUS in the arm64 iommu DMA API
- arm64 KVM refactoring to use common system register definitions
- remove support for ASID-tagged VIVT I-cache (no ARMv8 implementation
using it and deprecated in the architecture) together with some
I-cache handling clean-up
- PE/COFF EFI header clean-up/hardening
- define BUG() instruction without CONFIG_BUG
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (92 commits)
arm64: Fix the DMA mmap and get_sgtable API with DMA_ATTR_FORCE_CONTIGUOUS
arm64: Print DT machine model in setup_machine_fdt()
arm64: pmu: Wire-up Cortex A53 L2 cache events and DTLB refills
arm64: module: split core and init PLT sections
arm64: pmuv3: handle pmuv3+
arm64: Add CNTFRQ_EL0 trap handler
arm64: Silence spurious kbuild warning on menuconfig
arm64: pmuv3: use arm_pmu ACPI framework
arm64: pmuv3: handle !PMUv3 when probing
drivers/perf: arm_pmu: add ACPI framework
arm64: add function to get a cpu's MADT GICC table
drivers/perf: arm_pmu: split out platform device probe logic
drivers/perf: arm_pmu: move irq request/free into probe
drivers/perf: arm_pmu: split cpu-local irq request/free
drivers/perf: arm_pmu: rename irq request/free functions
drivers/perf: arm_pmu: handle no platform_device
drivers/perf: arm_pmu: simplify cpu_pmu_request_irqs()
drivers/perf: arm_pmu: factor out pmu registration
drivers/perf: arm_pmu: fold init into alloc
drivers/perf: arm_pmu: define armpmu_init_fn
...
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It was introduced while switching to pci_alloc_irq_vectors recently
and fixes:
[ 60.527052] alx 0000:03:00.0 enp3s0: Enabling MSI-X interrupts failed!
[ 60.529323] BUG: unable to handle kernel NULL pointer dereference at 00000000000000b8
[ 60.531589] IP: alx_alloc_napis+0xe6/0x1e0 [alx]
[ 60.533831] PGD 0
[ 60.533833] P4D 0
[ 60.540559] Oops: 0002 [#1] SMP
[ 60.542759] Modules linked in: ebtables ip6table_filter ip6_tables.....
[ 60.549990] drm_kms_helper drm crc32c_intel alx serio_raw mdio wmi video i2c_hid uas usb_storage
[ 60.551404] CPU: 0 PID: 999 Comm: NetworkManager Not tainted 4.11.0+ #1
[ 60.552813] Hardware name: Acer Predator G9-591/Mustang_SLS, BIOS V1.10 03/03/2016
[ 60.554219] task: ffff8804ae833c00 task.stack: ffffc90003eec000
[ 60.555383] RIP: 0010:alx_alloc_napis+0xe6/0x1e0 [alx]
[ 60.556615] RSP: 0018:ffffc90003eef660 EFLAGS: 00010286
[ 60.557787] RAX: ffff8804962835a0 RBX: ffff8804aee8a8c0 RCX: 0000000000000000
[ 60.558987] RDX: 0000000000000060 RSI: 0000000000000000 RDI: ffff880496283600
[ 60.559979] RBP: ffffc90003eef688 R08: ffff8804c1c1e7e0 R09: ffff8804962835a0
[ 60.560978] R10: ffff8804962835a0 R11: 0000000000000102 R12: 0000000000000000
[ 60.561974] R13: 0000000000000000 R14: ffff8804aee8aaf0 R15: ffffffffa0052ea0
[ 60.562974] FS: 00007f1cecbc9940(0000) GS:ffff8804c1c00000(0000) knlGS:0000000000000000
[ 60.564003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 60.564884] CR2: 00000000000000b8 CR3: 0000000496025000 CR4: 00000000003406f0
[ 60.565782] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 60.566676] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 60.567560] Call Trace:
[ 60.568500] __alx_open+0xa2/0x570 [alx]
[ 60.569355] ? notifier_call_chain+0x4a/0x70
[ 60.570144] alx_open+0x17/0x20 [alx]
[ 60.570909] __dev_open+0xc6/0x140
[ 60.571682] ? _raw_spin_unlock_bh+0x1a/0x20
[ 60.572469] __dev_change_flags+0x9d/0x160
[ 60.573252] dev_change_flags+0x29/0x60
[ 60.574070] do_setlink+0x32e/0xc90
[ 60.574815] ? ttwu_do_activate+0x77/0x80
[ 60.575544] ? drm_fb_helper_dirty.isra.17+0xc7/0xe0 [drm_kms_helper]
[ 60.576273] ? drm_fb_helper_cfb_imageblit+0x30/0x40 [drm_kms_helper]
[ 60.577004] ? bit_putcs+0x2f7/0x560
[ 60.577729] ? nla_parse+0x35/0x140
[ 60.578518] rtnl_newlink+0x7d3/0x900
[ 60.579280] ? security_capset+0x30/0x80
[ 60.580029] ? ns_capable_common+0x68/0x80
[ 60.580747] ? ns_capable+0x13/0x20
[ 60.581453] rtnetlink_rcv_msg+0xee/0x220
[ 60.582198] ? rtnl_newlink+0x900/0x900
[ 60.582909] netlink_rcv_skb+0xe7/0x120
[ 60.583601] rtnetlink_rcv+0x28/0x30
[ 60.584303] netlink_unicast+0x18c/0x220
[ 60.585002] netlink_sendmsg+0x2ba/0x3b0
[ 60.585703] sock_sendmsg+0x38/0x50
[ 60.586436] ___sys_sendmsg+0x2b6/0x2d0
[ 60.587123] ? lockref_put_or_lock+0x5e/0x80
[ 60.587822] ? dput+0x155/0x1d0
[ 60.588518] ? mntput+0x24/0x40
[ 60.589215] __sys_sendmsg+0x54/0x90
[ 60.589907] ? __sys_sendmsg+0x54/0x90
[ 60.590627] SyS_sendmsg+0x12/0x20
[ 60.591333] entry_SYSCALL_64_fastpath+0x1a/0xa5
[ 60.592021] RIP: 0033:0x7f1ceb44e3b0
[ 60.592697] RSP: 002b:00007fffd7f0a2d0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e
[ 60.593385] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1ceb44e3b0
[ 60.594107] RDX: 0000000000000000 RSI: 00007fffd7f0a380 RDI: 000000000000000c
[ 60.594798] RBP: 00007fffd7f0a800 R08: 0000000000000000 R09: 0000000000000000
[ 60.595502] R10: 0000564ffbae6e20 R11: 0000000000000293 R12: 0000000000000001
[ 60.596200] R13: 0000000000000002 R14: 0000000000000010 R15: 00007fffd7f0a4d0
[ 60.596899] Code: ed 85 c9 0f 8f ec 00 00 00 48 8b 3d 9d 97 1a e2 ba 50 00 00 00 be c0 80 40 01 4c 8b a3 30 02 00 00 e8 ff e5 1d e1 48 85 c0 74 a3 <49> 89 84 24 b8 00 00 00 48 8b 93 30 02 00 00 48 8b 4b 08 48 89
[ 60.597642] RIP: alx_alloc_napis+0xe6/0x1e0 [alx] RSP: ffffc90003eef660
[ 60.598427] CR2: 00000000000000b8
Fixes: f3297f68 ("net: alx: switch to pci_alloc_irq_vectors")
Signed-off-by: Rakesh Pandit <rakesh@tuxera.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Otherwise it is possible to trigger crashes due to the metadata being
inaccessible yet these methods don't safely account for that possibility
without these checks.
Cc: stable@vger.kernel.org
Reported-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"Highlights include:
- Larger virtual address space on 64-bit server CPUs. By default we
use a 128TB virtual address space, but a process can request access
to the full 512TB by passing a hint to mmap().
- Support for the new Power9 "XIVE" interrupt controller.
- TLB flushing optimisations for the radix MMU on Power9.
- Support for CAPI cards on Power9, using the "Coherent Accelerator
Interface Architecture 2.0".
- The ability to configure the mmap randomisation limits at build and
runtime.
- Several small fixes and cleanups to the kprobes code, as well as
support for KPROBES_ON_FTRACE.
- Major improvements to handling of system reset interrupts,
correctly treating them as NMIs, giving them a dedicated stack and
using a new hypervisor call to trigger them, all of which should
aid debugging and robustness.
- Many fixes and other minor enhancements.
Thanks to: Alastair D'Silva, Alexey Kardashevskiy, Alistair Popple,
Andrew Donnellan, Aneesh Kumar K.V, Anshuman Khandual, Anton
Blanchard, Balbir Singh, Ben Hutchings, Benjamin Herrenschmidt,
Bhupesh Sharma, Chris Packham, Christian Zigotzky, Christophe Leroy,
Christophe Lombard, Daniel Axtens, David Gibson, Gautham R. Shenoy,
Gavin Shan, Geert Uytterhoeven, Guilherme G. Piccoli, Hamish Martin,
Hari Bathini, Kees Cook, Laurent Dufour, Madhavan Srinivasan, Mahesh J
Salgaonkar, Mahesh Salgaonkar, Masami Hiramatsu, Matt Brown, Matthew
R. Ochs, Michael Neuling, Naveen N. Rao, Nicholas Piggin, Oliver
O'Halloran, Pan Xinhui, Paul Mackerras, Rashmica Gupta, Russell
Currey, Sukadev Bhattiprolu, Thadeu Lima de Souza Cascardo, Tobin C.
Harding, Tyrel Datwyler, Uma Krishnan, Vaibhav Jain, Vipin K Parashar,
Yang Shi"
* tag 'powerpc-4.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (214 commits)
powerpc/64s: Power9 has no LPCR[VRMASD] field so don't set it
powerpc/powernv: Fix TCE kill on NVLink2
powerpc/mm/radix: Drop support for CPUs without lockless tlbie
powerpc/book3s/mce: Move add_taint() later in virtual mode
powerpc/sysfs: Move #ifdef CONFIG_HOTPLUG_CPU out of the function body
powerpc/smp: Document irq enable/disable after migrating IRQs
powerpc/mpc52xx: Don't select user-visible RTAS_PROC
powerpc/powernv: Document cxl dependency on special case in pnv_eeh_reset()
powerpc/eeh: Clean up and document event handling functions
powerpc/eeh: Avoid use after free in eeh_handle_special_event()
cxl: Mask slice error interrupts after first occurrence
cxl: Route eeh events to all drivers in cxl_pci_error_detected()
cxl: Force context lock during EEH flow
powerpc/64: Allow CONFIG_RELOCATABLE if COMPILE_TEST
powerpc/xmon: Teach xmon oops about radix vectors
powerpc/mm/hash: Fix off-by-one in comment about kernel contexts ids
powerpc/pseries: Enable VFIO
powerpc/powernv: Fix iommu table size calculation hook for small tables
powerpc/powernv: Check kzalloc() return value in pnv_pci_table_alloc
powerpc: Add arch/powerpc/tools directory
...
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While working on another build error, I ran into several variations of
this dependency loop:
subsection "Kconfig recursive dependency limitations"
drivers/input/Kconfig:8: symbol INPUT is selected by VT
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/tty/Kconfig:12: symbol VT is selected by FB_STI
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/video/fbdev/Kconfig:677: symbol FB_STI depends on FB
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/video/fbdev/Kconfig:5: symbol FB is selected by DRM_KMS_FB_HELPER
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/gpu/drm/Kconfig:72: symbol DRM_KMS_FB_HELPER is selected by DRM_KMS_CMA_HELPER
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/gpu/drm/Kconfig:137: symbol DRM_KMS_CMA_HELPER is selected by DRM_HDLCD
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/gpu/drm/arm/Kconfig:6: symbol DRM_HDLCD depends on OF
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/of/Kconfig:4: symbol OF is selected by X86_INTEL_CE
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
arch/x86/Kconfig:523: symbol X86_INTEL_CE depends on X86_IO_APIC
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
arch/x86/Kconfig:1011: symbol X86_IO_APIC depends on X86_LOCAL_APIC
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
arch/x86/Kconfig:1005: symbol X86_LOCAL_APIC depends on X86_UP_APIC
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
arch/x86/Kconfig:980: symbol X86_UP_APIC depends on PCI_MSI
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/pci/Kconfig:11: symbol PCI_MSI is selected by AMD_IOMMU
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/iommu/Kconfig:106: symbol AMD_IOMMU depends on IOMMU_SUPPORT
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/iommu/Kconfig:5: symbol IOMMU_SUPPORT is selected by DRM_ETNAVIV
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/gpu/drm/etnaviv/Kconfig:2: symbol DRM_ETNAVIV depends on THERMAL
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/thermal/Kconfig:5: symbol THERMAL is selected by ACPI_VIDEO
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/acpi/Kconfig:183: symbol ACPI_VIDEO is selected by INPUT
This doesn't currently show up as I fixed the 'THERMAL' part of it,
but I noticed that the FB_STI dependency should not be there but
was introduced by slightly incorrect bug-fix patch that tried to
fix a link error.
Instead of selecting 'VT' to make us enter the drivers/video/console
directory at compile-time, it's sufficient to build the
drivers/video/console/sticore.c file by adding its directory
to when CONFIG_FB_STI is enabled. Alternatively, we could move the
sticore code to another directory that is always built when we
have at STI_CONSOLE or FB_STI enabled.
Fixes: 17085a934592 ("parisc: stifb: should depend on STI_CONSOLE")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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If we bail out of the submit before actually adding the cmdstream
to the kernel ring there is no valid fence to put. Make sure to skip
the fence_put in that case.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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The driver emits multi-touch events for Magic Trackpad as well as Magic
Mouse, but it does not set keybits that are related to multi-touch event
for Magic Mouse; so set these keybits.
The keybits that are not set cause trouble because user programs often
probe these keybits for self-configuration and thus they cannot operate
properly if the keybits are not set.
One of such troubles is that libevdev will not be able to emit correct
touch count, causing gestures library failed to do fling stop.
Signed-off-by: Che-Liang Chiou <clchiou@chromium.org>
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The following Smatch complaint was generated in response to commit
2a6cdbd ("HID: wacom: Introduce new 'touch_input' device"):
drivers/hid/wacom_wac.c:1586 wacom_tpc_irq()
error: we previously assumed 'wacom->touch_input' could be null (see line 1577)
The 'touch_input' and 'pen_input' variables point to the 'struct input_dev'
used for relaying touch and pen events to userspace, respectively. If a
device does not have a touch interface or pen interface, the associated
input variable is NULL. The 'wacom_tpc_irq()' function is responsible for
forwarding input reports to a more-specific IRQ handler function. An
unknown report could theoretically be mistaken as e.g. a touch report
on a device which does not have a touch interface. This can be prevented
by only calling the pen/touch functions are called when the pen/touch
pointers are valid.
Fixes: 2a6cdbd ("HID: wacom: Introduce new 'touch_input' device")
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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trivial fix to typo in WARN_ONCE message
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
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orderly_poweroff is triggered when a graceful shutdown
of system is desired. This may be used in many critical states of the
kernel such as when subsystems detects conditions such as critical
temperature conditions. However, in certain conditions in system
boot up sequences like those in the middle of driver probes being
initiated, userspace will be unable to power off the system in a clean
manner and leaves the system in a critical state. In cases like these,
the /sbin/poweroff will return success (having forked off to attempt
powering off the system. However, the system overall will fail to
completely poweroff (since other modules will be probed) and the system
is still functional with no userspace (since that would have shut itself
off).
However, there is no clean way of detecting such failure of userspace
powering off the system. In such scenarios, it is necessary for a backup
workqueue to be able to force a shutdown of the system when orderly
shutdown is not successful after a configurable time period.
Reported-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Keerthy <j-keerthy@ti.com>
Acked-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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thermal_zone_device_check --> thermal_zone_device_update -->
handle_thermal_trip --> handle_critical_trips --> orderly_poweroff
The above sequence happens every 250/500 mS based on the configuration.
The orderly_poweroff function is getting called every 250/500 mS.
With a full fledged file system it takes at least 5-10 Seconds to
power off gracefully.
In that period due to the thermal_zone_device_check triggering
periodically the thermal work queues bombard with
orderly_poweroff calls multiple times eventually leading to
failures in gracefully powering off the system.
Make sure that orderly_poweroff is called only once.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Acked-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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The interrupt request call in Intel SoC DTS driver may fail if
there is no underlying BIOS support. However, the user space
thermal daemon can still use the thermal zones created by the
SoC DTS driver in polling mode, therefore, instead of bailing
out on interrupt request failures, it is better just to log
a warning message and continue the init process.
Signed-off-by: Brian Bian <brian.bian@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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This patch adds another parameter to the trace function:
trace_thermal_power_devfreq_get_power().
In case when we call directly driver's code for the real power,
we do not have static/dynamic_power values. Instead we get total
power in the '*power' value. The 'static_power' and
'dynamic_power' are set to 0.
Therefore, we have to trace that '*power' value in this scenario.
CC: Steven Rostedt <rostedt@goodmis.org>
CC: Ingo Molnar <mingo@redhat.com>
CC: Zhang Rui <rui.zhang@intel.com>
CC: Eduardo Valentin <edubezval@gmail.com>
Acked-by: Javi Merino <javi.merino@kernel.org>
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
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This patch introduces a new interface for device drivers connected to
devfreq_cooling in the thermal framework: get_real_power().
Some devices have more sophisticated methods (like power counters)
to approximate the actual power that they use.
In the previous implementation we had a pre-calculated power
table which was then scaled by 'utilization'
('busy_time' and 'total_time' taken from devfreq 'last_status').
With this new interface the driver can provide more precise data
regarding actual power to the thermal governor every time the power
budget is calculated. We then use this value and calculate the real
resource utilization scaling factor.
Reviewed-by: Chris Diamand <chris.diamand@arm.com>
Acked-by: Javi Merino <javi.merino@kernel.org>
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
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Move the code which gets the voltage for a given frequency.
This code will be resused in few places.
Acked-by: Javi Merino <javi.merino@kernel.org>
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
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We need to do a kthread_should_stop to check when kthread_stop has been
called.
This was a regression added in
b6df4b79a5514a9c6c53533436704129ef45bf76
tcmu: Add global data block pool support
so not sure if you wanted to merge it in with that patch or what.
Signed-off-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Keeping in the idempotent nature of target_core_fabric_configfs.c,
if a queue_depth value is set and it's the same as the existing
value, don't attempt to force session reinstatement.
Reported-by: Raghu Krishnamurthy <rk@datera.io>
Cc: Raghu Krishnamurthy <rk@datera.io>
Tested-by: Gary Guo <ghg@datera.io>
Cc: Gary Guo <ghg@datera.io>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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While testing modification of per se_node_acl queue_depth forcing
session reinstatement via lio_target_nacl_cmdsn_depth_store() ->
core_tpg_set_initiator_node_queue_depth(), a hung task bug triggered
when changing cmdsn_depth invoked session reinstatement while an iscsi
login was already waiting for session reinstatement to complete.
This can happen when an outstanding se_cmd descriptor is taking a
long time to complete, and session reinstatement from iscsi login
or cmdsn_depth change occurs concurrently.
To address this bug, explicitly set session_fall_back_to_erl0 = 1
when forcing session reinstatement, so session reinstatement is
not attempted if an active session is already being shutdown.
This patch has been tested with two scenarios. The first when
iscsi login is blocked waiting for iscsi session reinstatement
to complete followed by queue_depth change via configfs, and
second when queue_depth change via configfs us blocked followed
by a iscsi login driven session reinstatement.
Note this patch depends on commit d36ad77f702 to handle multiple
sessions per se_node_acl when changing cmdsn_depth, and for
pre v4.5 kernels will need to be included for stable as well.
Reported-by: Gary Guo <ghg@datera.io>
Tested-by: Gary Guo <ghg@datera.io>
Cc: Gary Guo <ghg@datera.io>
Cc: <stable@vger.kernel.org> # v4.1+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Following the bugfix for handling non SAM_STAT_GOOD COMPARE_AND_WRITE
status during COMMIT phase in commit 9b2792c3da1, the same bug exists
for the READ phase as well.
This would manifest first as a lost SCSI response, and eventual
hung task during fabric driver logout or re-login, as existing
shutdown logic waited for the COMPARE_AND_WRITE se_cmd->cmd_kref
to reach zero.
To address this bug, compare_and_write_callback() has been changed
to set post_ret = 1 and return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE
as necessary to signal failure status.
Reported-by: Bill Borsari <wgb@datera.io>
Cc: Bill Borsari <wgb@datera.io>
Tested-by: Gary Guo <ghg@datera.io>
Cc: Gary Guo <ghg@datera.io>
Cc: <stable@vger.kernel.org> # v4.1+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Fix failures to create namespaces due to the vmem_altmap not advertising
enough free space to store the memmap.
WARNING: CPU: 15 PID: 8022 at arch/x86/mm/init_64.c:656 arch_add_memory+0xde/0xf0
[..]
Call Trace:
dump_stack+0x63/0x83
__warn+0xcb/0xf0
warn_slowpath_null+0x1d/0x20
arch_add_memory+0xde/0xf0
devm_memremap_pages+0x244/0x440
pmem_attach_disk+0x37e/0x490 [nd_pmem]
nd_pmem_probe+0x7e/0xa0 [nd_pmem]
nvdimm_bus_probe+0x71/0x120 [libnvdimm]
driver_probe_device+0x2bb/0x460
bind_store+0x114/0x160
drv_attr_store+0x25/0x30
In commit 658922e57b84 "libnvdimm, pfn: fix memmap reservation sizing"
we arranged for the capacity to be allocated, but failed to also update
the 'npfns' parameter. This leads to cases where there is enough
capacity reserved to hold all the allocated sections, but
vmemmap_populate_hugepages() still encounters -ENOMEM from
altmap_alloc_block_buf().
This fix is a stop-gap until we can teach the core memory hotplug
implementation to permit sub-section hotplug.
Cc: <stable@vger.kernel.org>
Fixes: 658922e57b84 ("libnvdimm, pfn: fix memmap reservation sizing")
Reported-by: Anisha Allada <anisha.allada@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the big set of new char/misc driver drivers and features for
4.12-rc1.
There's lots of new drivers added this time around, new firmware
drivers from Google, more auxdisplay drivers, extcon drivers, fpga
drivers, and a bunch of other driver updates. Nothing major, except if
you happen to have the hardware for these drivers, and then you will
be happy :)
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (136 commits)
firmware: google memconsole: Fix return value check in platform_memconsole_init()
firmware: Google VPD: Fix return value check in vpd_platform_init()
goldfish_pipe: fix build warning about using too much stack.
goldfish_pipe: An implementation of more parallel pipe
fpga fr br: update supported version numbers
fpga: region: release FPGA region reference in error path
fpga altera-hps2fpga: disable/unprepare clock on error in alt_fpga_bridge_probe()
mei: drop the TODO from samples
firmware: Google VPD sysfs driver
firmware: Google VPD: import lib_vpd source files
misc: lkdtm: Add volatile to intentional NULL pointer reference
eeprom: idt_89hpesx: Add OF device ID table
misc: ds1682: Add OF device ID table
misc: tsl2550: Add OF device ID table
w1: Remove unneeded use of assert() and remove w1_log.h
w1: Use kernel common min() implementation
uio_mf624: Align memory regions to page size and set correct offsets
uio_mf624: Refactor memory info initialization
uio: Allow handling of non page-aligned memory regions
hangcheck-timer: Fix typo in comment
...
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git://anongit.freedesktop.org/tegra/linux into drm-next
drm/tegra: Changes for v4.12-rc1
This contains various fixes to the host1x driver as well as a plug for a
leak of kernel pointers to userspace.
A fairly big addition this time around is the Video Image Composer (VIC)
support that can be used to accelerate some 2D and image compositing
operations.
Furthermore the driver now supports FB modifiers, so we no longer rely
on a custom IOCTL to set those.
Finally this contains a few preparatory patches for Tegra186 support
which unfortunately didn't quite make it this time, but will hopefully
be ready for v4.13.
* tag 'drm/tegra/for-4.12-rc1' of git://anongit.freedesktop.org/tegra/linux:
gpu: host1x: Fix host1x driver shutdown
gpu: host1x: Support module reset
gpu: host1x: Sort includes alphabetically
drm/tegra: Add VIC support
dt-bindings: Add bindings for the Tegra VIC
drm/tegra: Add falcon helper library
drm/tegra: Add Tegra DRM allocation API
drm/tegra: Add tiling FB modifiers
drm/tegra: Don't leak kernel pointer to userspace
drm/tegra: Protect IOMMU operations by mutex
drm/tegra: Enable IOVA API when IOMMU support is enabled
gpu: host1x: Add IOMMU support
gpu: host1x: Fix potential out-of-bounds access
iommu/iova: Fix compile error with CONFIG_IOMMU_IOVA=m
iommu: Add dummy implementations for !IOMMU_IOVA
MAINTAINERS: Add related headers to IOMMU section
iommu/iova: Consolidate code for adding new node to iovad domain rbtree
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Very tiny pull request for 4.12-rc1 for the driver core this time
around.
There are some documentation fixes, an eventpoll.h fixup to make it
easier for the libc developers to take our header files directly, and
some very minor driver core fixes and changes.
All have been in linux-next for a very long time with no reported
issues"
* tag 'driver-core-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
Revert "kref: double kref_put() in my_data_handler()"
driver core: don't initialize 'parent' in device_add()
drivers: base: dma-mapping: use nth_page helper
Documentation/ABI: add information about cpu_capacity
debugfs: set no_llseek in DEFINE_DEBUGFS_ATTRIBUTE
eventpoll.h: add missing epoll event masks
eventpoll.h: fix epoll event masks
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