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Trivial fix to spelling mistake in function name flexrm_flip_header_toogle,
rename it to flexrm_flip_header_toggle.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Add support for the QCS404 APPS Global block with IPC register at offset
8.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
In preparation to remove the node name pointer from struct device_node,
convert printf users to use the %pOFn format specifier.
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Dmitry writes:
"Input updates for v4.19-rc5
Just a few driver fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: uinput - allow for max == min during input_absinfo validation
Input: elantech - enable middle button of touchpad on ThinkPad P72
Input: atakbd - fix Atari CapsLock behaviour
Input: atakbd - fix Atari keymap
Input: egalax_ts - add system wakeup support
Input: gpio-keys - fix a documentation index issue
Quite a few fixes for the Renesas drivers in here, plus a fix for the
Tegra driver and some documentation fixes for the recently added spi-mem
code. The Tegra fix is relatively large but fairly straightforward and
mechanical, it runs on probe so it's been reasonably well covered in
-next testing.
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Merge tag 'spi-fix-v4.19-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Mark writes:
"spi: Fixes for v4.19
Quite a few fixes for the Renesas drivers in here, plus a fix for the
Tegra driver and some documentation fixes for the recently added
spi-mem code. The Tegra fix is relatively large but fairly
straightforward and mechanical, it runs on probe so it's been
reasonably well covered in -next testing."
* tag 'spi-fix-v4.19-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: spi-mem: Move the DMA-able constraint doc to the kerneldoc header
spi: spi-mem: Add missing description for data.nbytes field
spi: rspi: Fix interrupted DMA transfers
spi: rspi: Fix invalid SPI use during system suspend
spi: sh-msiof: Fix handling of write value for SISTR register
spi: sh-msiof: Fix invalid SPI use during system suspend
spi: gpio: Fix copy-and-paste error
spi: tegra20-slink: explicitly enable/disable clock
A collection of fairly minor bug fixes here, a couple of driver specific
ones plus two core fixes. There's one fix for the new suspend state
code which fixes some confusion with constant values that are supposed
to indicate noop operation and another fixing a race condition with the
creation of sysfs files on new regulators.
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Merge tag 'regulator-v4.19-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Mark writes:
"regulator: Fixes for 4.19
A collection of fairly minor bug fixes here, a couple of driver
specific ones plus two core fixes. There's one fix for the new
suspend state code which fixes some confusion with constant values
that are supposed to indicate noop operation and another fixing a
race condition with the creation of sysfs files on new regulators."
* tag 'regulator-v4.19-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: fix crash caused by null driver data
regulator: Fix 'do-nothing' value for regulators without suspend state
regulator: da9063: fix DT probing with constraints
regulator: bd71837: Disable voltage monitoring for LDO3/4
A reasonably big batch of fixes due to me being away for a few weeks.
A fix for the TM emulation support on Power9, which could result in corrupting
the guest r11 when running under KVM.
Two fixes to the TM code which could lead to userspace GPR corruption if we take
an SLB miss at exactly the wrong time.
Our dynamic patching code had a bug that meant we could patch freed __init text,
which could lead to corrupting userspace memory.
csum_ipv6_magic() didn't work on little endian platforms since we optimised it
recently.
A fix for an endian bug when reading a device tree property telling us how many
storage keys the machine has available.
Fix a crash seen on some configurations of PowerVM when migrating the partition
from one machine to another.
A fix for a regression in the setup of our CPU to NUMA node mapping in KVM
guests.
A fix to our selftest Makefiles to make them work since a recent change to the
shared Makefile logic.
Thanks to:
Alexey Kardashevskiy, Breno Leitao, Christophe Leroy, Michael Bringmann,
Michael Neuling, Nicholas Piggin, Paul Mackerras,, Srikar Dronamraju, Thiago
Jung Bauermann, Xin Long.
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Merge tag 'powerpc-4.19-3' of https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Michael writes:
"powerpc fixes for 4.19 #3
A reasonably big batch of fixes due to me being away for a few weeks.
A fix for the TM emulation support on Power9, which could result in
corrupting the guest r11 when running under KVM.
Two fixes to the TM code which could lead to userspace GPR corruption
if we take an SLB miss at exactly the wrong time.
Our dynamic patching code had a bug that meant we could patch freed
__init text, which could lead to corrupting userspace memory.
csum_ipv6_magic() didn't work on little endian platforms since we
optimised it recently.
A fix for an endian bug when reading a device tree property telling
us how many storage keys the machine has available.
Fix a crash seen on some configurations of PowerVM when migrating the
partition from one machine to another.
A fix for a regression in the setup of our CPU to NUMA node mapping
in KVM guests.
A fix to our selftest Makefiles to make them work since a recent
change to the shared Makefile logic."
* tag 'powerpc-4.19-3' of https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
selftests/powerpc: Fix Makefiles for headers_install change
powerpc/numa: Use associativity if VPHN hcall is successful
powerpc/tm: Avoid possible userspace r1 corruption on reclaim
powerpc/tm: Fix userspace r13 corruption
powerpc/pseries: Fix unitialized timer reset on migration
powerpc/pkeys: Fix reading of ibm, processor-storage-keys property
powerpc: fix csum_ipv6_magic() on little endian platforms
powerpc/powernv/ioda2: Reduce upper limit for DMA window size (again)
powerpc: Avoid code patching freed init sections
KVM: PPC: Book3S HV: Fix guest r11 corruption with POWER9 TM workarounds
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Merge tag 'drm-fixes-2018-09-28' of git://anongit.freedesktop.org/drm/drm
Dave writes:
"drm fixes for 4.19-rc6
Looks like a pretty normal week for graphics,
core: syncobj fix, panel link regression revert
amd: suspend/resume fixes, EDID emulation fix
mali-dp: NV12 writeback and vblank reset fixes
etnaviv: DMA setup fix"
* tag 'drm-fixes-2018-09-28' of git://anongit.freedesktop.org/drm/drm:
drm/amd/display: Fix Edid emulation for linux
drm/amd/display: Fix Vega10 lightup on S3 resume
drm/amdgpu: Fix vce work queue was not cancelled when suspend
Revert "drm/panel: Add device_link from panel device to DRM device"
drm/syncobj: Don't leak fences when WAIT_FOR_SUBMIT is set
drm/malidp: Fix writeback in NV12
drm: mali-dp: Call drm_crtc_vblank_reset on device init
drm/etnaviv: add DMA configuration for etnaviv platform device
The Debian guys have been pushing on our port and found some unversioned
symbols leaking into modules. This PR contains a single fix for that
issue.
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Merge tag 'riscv-for-linus-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux
Palmer writes:
"A Single RISC-V Update for 4.19-rc6
The Debian guys have been pushing on our port and found some
unversioned symbols leaking into modules. This PR contains a single
fix for that issue."
* tag 'riscv-for-linus-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux:
RISC-V: include linux/ftrace.h in asm-prototypes.h
Commit b2d35fa5fc ("selftests: add headers_install to lib.mk")
introduced a requirement that Makefiles more than one level below the
selftests directory need to define top_srcdir, but it didn't update
any of the powerpc Makefiles.
This broke building all the powerpc selftests with eg:
make[1]: Entering directory '/src/linux/tools/testing/selftests/powerpc'
BUILD_TARGET=/src/linux/tools/testing/selftests/powerpc/alignment; mkdir -p $BUILD_TARGET; make OUTPUT=$BUILD_TARGET -k -C alignment all
make[2]: Entering directory '/src/linux/tools/testing/selftests/powerpc/alignment'
../../lib.mk:20: ../../../../scripts/subarch.include: No such file or directory
make[2]: *** No rule to make target '../../../../scripts/subarch.include'.
make[2]: Failed to remake makefile '../../../../scripts/subarch.include'.
Makefile:38: recipe for target 'alignment' failed
Fix it by setting top_srcdir in the affected Makefiles.
Fixes: b2d35fa5fc ("selftests: add headers_install to lib.mk")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
- Fix a long standing race bug when destroying comp_event file descriptors
- srp, hfi1, bnxt_re: Various driver crashes from missing validation and
other cases
- Fixes for regressions in patches merged this window in the gid cache,
devx, ucma and uapi.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Jason writes:
"Second RDMA rc pull request
- Fix a long standing race bug when destroying comp_event file descriptors
- srp, hfi1, bnxt_re: Various driver crashes from missing validation
and other cases
- Fixes for regressions in patches merged this window in the gid
cache, devx, ucma and uapi."
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/core: Set right entry state before releasing reference
IB/mlx5: Destroy the DEVX object upon error flow
IB/uverbs: Free uapi on destroy
RDMA/bnxt_re: Fix system crash during RDMA resource initialization
IB/hfi1: Fix destroy_qp hang after a link down
IB/hfi1: Fix context recovery when PBC has an UnsupportedVL
IB/hfi1: Invalid user input can result in crash
IB/hfi1: Fix SL array bounds check
RDMA/uverbs: Fix validity check for modify QP
IB/srp: Avoid that sg_reset -d ${srp_device} triggers an infinite loop
ucma: fix a use-after-free in ucma_resolve_ip()
RDMA/uverbs: Atomically flush and mark closed the comp event queue
cxgb4: fix abort_req_rss6 struct
[Why]
EDID emulation didn't work properly for linux, as we stop programming
if nothing is connected physically.
[How]
We get a flag from DRM when we want to do edid emulation. We check if
this flag is true and nothing is connected physically, if so we only
program the front end using VIRTUAL_SIGNAL.
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
There have been a few reports of Vega10 display remaining blank
after S3 resume. The regression is caused by workaround for mode
change on Vega10 - skip set_bandwidth if stream count is 0.
As a result we skipped dispclk reset on suspend, thus on resume
we may skip the clock update assuming it hasn't been changed.
On some systems it causes display blank or 'out of range'.
[How]
Revert "drm/amd/display: Fix Vega10 black screen after mode change"
Verified that it hadn't cause mode change regression.
Signed-off-by: Roman Li <Roman.Li@amd.com>
Reviewed-by: Sun peng Li <Sunpeng.Li@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The vce cancel_delayed_work_sync never be called.
driver call the function in error path.
This caused the A+A suspend hang when runtime pm enebled.
As we will visit the smu in the idle queue. this will cause
smu hang because the dgpu has been suspend, and the dgpu also
will be waked up. As the smu has been hang, so the dgpu resume
will failed.
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This reverts commit 0c08754b59.
commit 0c08754b59
("drm/panel: Add device_link from panel device to DRM device")
creates a circular dependency under these circumstances:
1. The panel depends on dsi-host because it is MIPI-DSI child
device.
2. dsi-host depends on the drm parent device (connector->dev->dev)
this should be allowed.
3. drm parent dev (connector->dev->dev) depends on the panel
after this patch.
This makes the dependency circular and while it appears it
does not affect any in-tree drivers (they do not seem to have
dsi hosts depending on the same parent device) this does not
seem right.
As noted in a response from Andrzej Hajda, the intent is
likely to make the panel dependent on the DRM device
(connector->dev) not its parent. But we have no way of
doing that since the DRM device doesn't contain any
struct device on its own (arguably it should).
Revert this until a proper approach is figured out.
Cc: Jyri Sarha <jsarha@ti.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180927124130.9102-1-linus.walleij@linaro.org
one fix to get a proper DMA configuration in place for the etnaviv
virtual device. I'm sending this as a fix, as a dma-mapping change at
the ARC architecture side during the 4.19 cycle broke etnaviv on this
platform, which gets remedied with this patch, but it also enables
ARM64.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Lucas Stach <l.stach@pengutronix.de>
Link: https://patchwork.freedesktop.org/patch/msgid/ea1f712bf09bf9439c6b092bf2c2bde7bb01cf5e.camel@pengutronix.de
HP 6730b laptop has an ethernet NIC connected to one of the PCIe root
ports. The root ports themselves are native PCIe hotplug capable. Now,
during boot after PCI devices are scanned the BIOS triggers ACPI bus check
directly to the NIC:
ACPI: \_SB_.PCI0.RP06.NIC_: Bus check in hotplug_event()
It is not clear why it is sending bus check but regardless the ACPI hotplug
notify handler calls enable_slot() directly (instead of going through
acpiphp_check_bridge() as there is no bridge), which ends up handling
special case for non-hotplug bridges with native PCIe hotplug. This
results a crash of some kind but the reporter only sees black screen so it
is hard to figure out the exact spot and what actually happens. Based on
a few fix proposals it was tracked to crash somewhere inside
pci_assign_unassigned_bridge_resources().
In any case we should not really be in that special branch at all because
the ACPI notify happened to a slot that is not a PCI bridge (it is just a
regular PCI device).
Fix this so that we only go to that special branch if we are calling
enable_slot() for a bridge (e.g., the ACPI notification was for the
bridge).
Link: https://bugzilla.kernel.org/show_bug.cgi?id=201127
Fixes: 84c8b58ed3 ("ACPI / hotplug / PCI: Don't scan bridges managed by native hotplug")
Reported-by: Peter Anemone <peter.anemone@gmail.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
CC: stable@vger.kernel.org # v4.18+
We attempt to get fences earlier in the hopes that everything will
already have fences and no callbacks will be needed. If we do succeed
in getting a fence, getting one a second time will result in a duplicate
ref with no unref. This is causing memory leaks in Vulkan applications
that create a lot of fences; playing for a few hours can, apparently,
bring down the system.
Cc: stable@vger.kernel.org
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107899
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180926071703.15257-1-jason.ekstrand@intel.com
Three fixes queued up:
- Warning fix for Rockchip IOMMU where there were IRQ handlers
for offlined hardware.
- Fix for Intel VT-d because recent changes caused boot failures
on some machines because it tried to allocate to much
contiguous memory.
- Fix for AMD IOMMU to handle eMMC devices correctly that appear
as ACPI HID devices.
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Merge tag 'iommu-fixes-v4.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Joerg writes:
"IOMMU Fixes for Linux v4.19-rc5
Three fixes queued up:
- Warning fix for Rockchip IOMMU where there were IRQ handlers
for offlined hardware.
- Fix for Intel VT-d because recent changes caused boot failures
on some machines because it tried to allocate to much
contiguous memory.
- Fix for AMD IOMMU to handle eMMC devices correctly that appear
as ACPI HID devices."
* tag 'iommu-fixes-v4.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/amd: Return devid as alias for ACPI HID devices
iommu/vt-d: Handle memory shortage on pasid table allocation
iommu/rockchip: Free irqs in shutdown handler
ACPI HID devices do not actually have an alias for
them in the IVRS. But dev_data->alias is still used
for indexing into the IOMMU device table for devices
being handled by the IOMMU. So for ACPI HID devices,
we simply return the corresponding devid as an alias,
as parsed from IVRS table.
Signed-off-by: Arindam Nath <arindam.nath@amd.com>
Fixes: 2bf9a0a127 ('iommu/amd: Add iommu support for ACPI HID devices')
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Currently add_modify_gid() for IB link layer has followong issue
in cache update path.
When GID update event occurs, core releases reference to the GID
table without updating its state and/or entry pointer.
CPU-0 CPU-1
------ -----
ib_cache_update() IPoIB ULP
add_modify_gid() [..]
put_gid_entry()
refcnt = 0, but
state = valid,
entry is valid.
(work item is not yet executed).
ipoib_create_ah()
rdma_create_ah()
rdma_get_gid_attr() <--
Tries to acquire gid_attr
which has refcnt = 0.
This is incorrect.
GID entry state and entry pointer is provides the accurate GID enty
state. Such fields must be updated with rwlock to protect against
readers and, such fields must be in sane state before refcount can drop
to zero. Otherwise above race condition can happen leading to
use-after-free situation.
Following backtrace has been observed when cache update for an IB port
is triggered while IPoIB ULP is creating an AH.
Therefore, when updating GID entry, first mark a valid entry as invalid
through state and set the barrier so that no callers can acquired
the GID entry, followed by release reference to it.
refcount_t: increment on 0; use-after-free.
WARNING: CPU: 4 PID: 29106 at lib/refcount.c:153 refcount_inc_checked+0x30/0x50
Workqueue: ib-comp-unb-wq ib_cq_poll_work [ib_core]
RIP: 0010:refcount_inc_checked+0x30/0x50
RSP: 0018:ffff8802ad36f600 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000002 RSI: 0000000000000008 RDI: ffffffff86710100
RBP: ffff8802d6e60a30 R08: ffffed005d67bf8b R09: ffffed005d67bf8b
R10: 0000000000000001 R11: ffffed005d67bf8a R12: ffff88027620cee8
R13: ffff8802d6e60988 R14: ffff8802d6e60a78 R15: 0000000000000202
FS: 0000000000000000(0000) GS:ffff8802eb200000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3ab35e5c88 CR3: 00000002ce84a000 CR4: 00000000000006e0
IPv6: ADDRCONF(NETDEV_CHANGE): ib1: link becomes ready
Call Trace:
rdma_get_gid_attr+0x220/0x310 [ib_core]
? lock_acquire+0x145/0x3a0
rdma_fill_sgid_attr+0x32c/0x470 [ib_core]
rdma_create_ah+0x89/0x160 [ib_core]
? rdma_fill_sgid_attr+0x470/0x470 [ib_core]
? ipoib_create_ah+0x52/0x260 [ib_ipoib]
ipoib_create_ah+0xf5/0x260 [ib_ipoib]
ipoib_mcast_join_complete+0xbbe/0x2540 [ib_ipoib]
Fixes: b150c3862d ("IB/core: Introduce GID entry reference counts")
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Upon DEVX object creation the object must be destroyed upon a follows
error flow.
Fixes: 7efce3691d ("IB/mlx5: Add obj create and destroy functionality")
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Reviewed-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Make sure we free struct uverbs_api once we clean the radix tree. It was
allocated by uverbs_alloc_api().
Fixes: 9ed3e5f447 ("IB/uverbs: Build the specs into a radix tree at runtime")
Reported-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
* (2) fixes for the dax error handling updates that were merged for
v4.19-rc1. My mails to Al have been bouncing recently, so I do not have
his ack but the uaccess change is of the trivial / obviously correct
variety. The address_space_operations fixes a regression.
* A filesystem-dax fix to correct the zero page lookup to be compatible
with non-x86 (mips and s390) architectures.
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erge tag 'libnvdimm-fixes-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Dan writes:
"libnvdimm/dax for 4.19-rc6
* (2) fixes for the dax error handling updates that were merged for
v4.19-rc1. My mails to Al have been bouncing recently, so I do not have
his ack but the uaccess change is of the trivial / obviously correct
variety. The address_space_operations fixes a regression.
* A filesystem-dax fix to correct the zero page lookup to be compatible
with non-x86 (mips and s390) architectures."
* tag 'libnvdimm-fixes-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
device-dax: Add missing address_space_operations
uaccess: Fix is_source param for check_copy_size() in copy_to_iter_mcsafe()
filesystem-dax: Fix use of zero page
Nine obvious bug fixes mostly in individual drivers. The target fix
is of particular importance because it's CVE related.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
James writes:
"SCSI fixes on 20180925
Nine obvious bug fixes mostly in individual drivers. The target fix
is of particular importance because it's CVE related."
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: sd: don't crash the host on invalid commands
scsi: ipr: System hung while dlpar adding primary ipr adapter back
scsi: target: iscsi: Use bin2hex instead of a re-implementation
scsi: target: iscsi: Use hex2bin instead of a re-implementation
scsi: lpfc: Synchronize access to remoteport via rport
scsi: ufs: Disable blk-mq for now
scsi: sd: Contribute to randomness when running rotational device
scsi: ibmvscsis: Ensure partition name is properly NUL terminated
scsi: ibmvscsis: Fix a stringop-overflow warning
Here are some small USB core and driver fixes for reported issues for
4.19-rc6.
The most visible is the oops fix for when the USB core is built into the
kernel that is present in 4.18. Turns out not many people actually do
that so it went unnoticed for a while. The rest is some tiny typec,
musb, and other core fixes.
All have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
I wrote:
"USB fixes for 4.19-rc6
Here are some small USB core and driver fixes for reported issues for
4.19-rc6.
The most visible is the oops fix for when the USB core is built into the
kernel that is present in 4.18. Turns out not many people actually do
that so it went unnoticed for a while. The rest is some tiny typec,
musb, and other core fixes.
All have been in linux-next with no reported issues."
* tag 'usb-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: typec: mux: Take care of driver module reference counting
usb: core: safely deal with the dynamic quirk lists
usb: roles: Take care of driver module reference counting
USB: handle NULL config in usb_find_alt_setting()
USB: fix error handling in usb_driver_claim_interface()
USB: remove LPM management from usb_driver_claim_interface()
USB: usbdevfs: restore warning for nonsensical flags
USB: usbdevfs: sanitize flags more
Revert "usb: cdc-wdm: Fix a sleep-in-atomic-context bug in service_outstanding_interrupt()"
usb: musb: dsps: do not disable CPPI41 irq in driver teardown
Here are a number of small tty and serial driver fixes for reported
issues for 4.19-rc6.
One should hopefully resolve a much-reported issue that syzbot has found
in the tty layer. Although there are still more issues there, getting
this fixed is nice to see finally happen.
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 'tty-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
I wrote:
"TTY/Serial driver fixes for 4.19-rc6
Here are a number of small tty and serial driver fixes for reported
issues for 4.19-rc6.
One should hopefully resolve a much-reported issue that syzbot has found
in the tty layer. Although there are still more issues there, getting
this fixed is nice to see finally happen.
All of these have been in linux-next for a while with no reported
issues."
* tag 'tty-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: imx: restore handshaking irq for imx1
tty: vt_ioctl: fix potential Spectre v1
tty: Drop tty->count on tty_reopen() failure
serial: cpm_uart: return immediately from console poll
tty: serial: lpuart: avoid leaking struct tty_struct
serial: mvebu-uart: Fix reporting of effective CSIZE to userspace
Here are some soundwire and intel_th (tracing) driver fixes for some
reported issues.
Full details are in the shortlog.
All of these have been in linux-next for a week with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Greg (well I), wrote:
"Char/Misc driver fixes for 4.19-rc6
Here are some soundwire and intel_th (tracing) driver fixes for some
reported issues.
All of these have been in linux-next for a week with no reported issues."
* tag 'char-misc-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
intel_th: pci: Add Ice Lake PCH support
intel_th: Fix resource handling for ACPI glue layer
intel_th: Fix device removal logic
soundwire: Fix acquiring bus lock twice during master release
soundwire: Fix incorrect exit after configuring stream
soundwire: Fix duplicate stream state assignment
Current we store the userspace r1 to PACATMSCRATCH before finally
saving it to the thread struct.
In theory an exception could be taken here (like a machine check or
SLB miss) that could write PACATMSCRATCH and hence corrupt the
userspace r1. The SLB fault currently doesn't touch PACATMSCRATCH, but
others do.
We've never actually seen this happen but it's theoretically
possible. Either way, the code is fragile as it is.
This patch saves r1 to the kernel stack (which can't fault) before we
turn MSR[RI] back on. PACATMSCRATCH is still used but only with
MSR[RI] off. We then copy r1 from the kernel stack to the thread
struct once we have MSR[RI] back on.
Suggested-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
When we treclaim we store the userspace checkpointed r13 to a scratch
SPR and then later save the scratch SPR to the user thread struct.
Unfortunately, this doesn't work as accessing the user thread struct
can take an SLB fault and the SLB fault handler will write the same
scratch SPRG that now contains the userspace r13.
To fix this, we store r13 to the kernel stack (which can't fault)
before we access the user thread struct.
Found by running P8 guest + powervm + disable_1tb_segments + TM. Seen
as a random userspace segfault with r13 looking like a kernel address.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Reviewed-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Pasid table memory allocation could return failure due to memory
shortage. Limit the pasid table size to 1MiB because current 8MiB
contiguous physical memory allocation can be hard to come by. W/o
a PASID table, the device could continue to work with only shared
virtual memory impacted. So, let's go ahead with context mapping
even the memory allocation for pasid table failed.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107783
Fixes: cc580e4126 ("iommu/vt-d: Per PCI device pasid table interfaces")
Cc: Ashok Raj <ashok.raj@intel.com>
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
Reported-and-tested-by: Pelton Kyle D <kyle.d.pelton@intel.com>
Tested-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This changes UAPI, breaking iwd and libell:
ell/key.c: In function 'kernel_dh_compute':
ell/key.c:205:38: error: 'struct keyctl_dh_params' has no member named 'private'; did you mean 'dh_private'?
struct keyctl_dh_params params = { .private = private,
^~~~~~~
dh_private
This reverts commit 8a2336e549.
Fixes: 8a2336e549 ("uapi/linux/keyctl.h: don't use C++ reserved keyword as a struct member name")
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Randy Dunlap <rdunlap@infradead.org>
cc: Mat Martineau <mathew.j.martineau@linux.intel.com>
cc: Stephan Mueller <smueller@chronox.de>
cc: James Morris <jmorris@namei.org>
cc: "Serge E. Hallyn" <serge@hallyn.com>
cc: Mat Martineau <mathew.j.martineau@linux.intel.com>
cc: Andrew Morton <akpm@linux-foundation.org>
cc: Linus Torvalds <torvalds@linux-foundation.org>
cc: <stable@vger.kernel.org>
Signed-off-by: James Morris <james.morris@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This reverts commit 55aedef50d.
Commit 55aedef50d ("pinctrl: intel: Do pin translation when lock IRQ")
added special translation from GPIO number to hardware pin number to
irq_reqres/relres hooks to avoid failure when IRQs are requested. The
actual failure happened inside gpiochip_lock_as_irq() because it calls
gpiod_get_direction() and pinctrl-intel.c::intel_gpio_get_direction()
implementation originally missed the translation so the two hooks made
it work by skipping the ->get_direction() call entirely (it overwrote
the default GPIOLIB provided functions).
The proper fix that adds translation to GPIO callbacks was merged with
commit 96147db1e1 ("pinctrl: intel: Do pin translation in other GPIO
operations as well"). This allows us to use the default GPIOLIB provided
functions again.
In addition as find out by Benjamin Tissoires the two functions
(intel_gpio_irq_reqres()/intel_gpio_irq_relres()) now cause problems of
their own because they operate on pin numbers and pass that pin number
to gpiochip_lock_as_irq() which actually expects a GPIO number.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=199911
Fixes: 55aedef50d ("pinctrl: intel: Do pin translation when lock IRQ")
Reported-and-tested-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
It turns out the HOSTSW_OWN register offset is different between LP and
H variants. The latter should use 0xc0 instead so fix that.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=199911
Fixes: a663ccf0fe ("pinctrl: intel: Add Intel Cannon Lake PCH-H pin controller support")
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
From the AMD BKDG, if WAKE_INT_MASTER_REG.MaskStsEn is set, a software
write to the debounce registers of *any* gpio will block wake/interrupt
status generation for *all* gpios for a length of time that depends on
WAKE_INT_MASTER_REG.MaskStsLength[11:0]. During this period the Interrupt
Delivery bit (INTERRUPT_ENABLE) will read as 0.
In commit 4c1de0414a ("pinctrl/amd: poll InterruptEnable bits in
enable_irq") we tried to fix this same "gpio Interrupts are blocked
immediately after writing debounce registers" problem, but incorrectly
assumed it only affected the gpio whose debounce was being configured
and not ALL gpios.
To solve this for all gpios, we move the polling loop from
amd_gpio_irq_enable() to amd_gpio_irq_set_type(), while holding the gpio
spinlock. This ensures that another gpio operation (e.g.
amd_gpio_irq_unmask()) can read a temporarily disabled IRQ and
incorrectly disable it while trying to modify some other register bits.
Fixes: 4c1de0414a pinctrl/amd: poll InterruptEnable bits in enable_irq
Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Dave writes:
"Networking fixes:
1) Fix multiqueue handling of coalesce timer in stmmac, from Jose
Abreu.
2) Fix memory corruption in NFC, from Suren Baghdasaryan.
3) Don't write reserved bits in ravb driver, from Kazuya Mizuguchi.
4) SMC bug fixes from Karsten Graul, YueHaibing, and Ursula Braun.
5) Fix TX done race in mvpp2, from Antoine Tenart.
6) ipv6 metrics leak, from Wei Wang.
7) Adjust firmware version requirements in mlxsw, from Petr Machata.
8) Fix autonegotiation on resume in r8169, from Heiner Kallweit.
9) Fixed missing entries when dumping /proc/net/if_inet6, from Jeff
Barnhill.
10) Fix double free in devlink, from Dan Carpenter.
11) Fix ethtool regression from UFO feature removal, from Maciej
Żenczykowski.
12) Fix drivers that have a ndo_poll_controller() that captures the
cpu entirely on loaded hosts by trying to drain all rx and tx
queues, from Eric Dumazet.
13) Fix memory corruption with jumbo frames in aquantia driver, from
Friedemann Gerold."
* gitolite.kernel.org:/pub/scm/linux/kernel/git/davem/net: (79 commits)
net: mvneta: fix the remaining Rx descriptor unmapping issues
ip_tunnel: be careful when accessing the inner header
mpls: allow routes on ip6gre devices
net: aquantia: memory corruption on jumbo frames
tun: remove ndo_poll_controller
nfp: remove ndo_poll_controller
bnxt: remove ndo_poll_controller
bnx2x: remove ndo_poll_controller
mlx5: remove ndo_poll_controller
mlx4: remove ndo_poll_controller
i40evf: remove ndo_poll_controller
ice: remove ndo_poll_controller
igb: remove ndo_poll_controller
ixgb: remove ndo_poll_controller
fm10k: remove ndo_poll_controller
ixgbevf: remove ndo_poll_controller
ixgbe: remove ndo_poll_controller
bonding: use netpoll_poll_dev() helper
netpoll: make ndo_poll_controller() optional
rds: Fix build regression.
...
In the iommu's shutdown handler we disable runtime-pm which could
result in the irq-handler running unclocked and since commit
3fc7c5c0cf ("iommu/rockchip: Handle errors returned from PM framework")
we warn about that fact.
This can cause warnings on shutdown on some Rockchip machines, so
free the irqs in the shutdown handler before we disable runtime-pm.
Reported-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Fixes: 3fc7c5c0cf ("iommu/rockchip: Handle errors returned from PM framework")
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Building a riscv kernel with CONFIG_FUNCTION_TRACER and
CONFIG_MODVERSIONS enabled results in these two warnings:
MODPOST vmlinux.o
WARNING: EXPORT symbol "return_to_handler" [vmlinux] version generation failed, symbol will not be versioned.
WARNING: EXPORT symbol "_mcount" [vmlinux] version generation failed, symbol will not be versioned.
When exporting symbols from an assembly file, the MODVERSIONS code
requires their prototypes to be defined in asm-prototypes.h (see
scripts/Makefile.build). Since both of these symbols have prototypes
defined in linux/ftrace.h, include this header from RISC-V's
asm-prototypes.h.
Reported-by: Karsten Merker <merker@debian.org>
Signed-off-by: James Cowgill <jcowgill@debian.org>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
With CONFIG_DMA_API_DEBUG enabled we get DMA unmapping warning in
various places of the mvneta driver, for example when putting down an
interface while traffic is passing through.
The issue is when using s/w buffer management, the Rx buffers are mapped
using dma_map_page but unmapped with dma_unmap_single. This patch fixes
this by using the right unmapping function.
Fixes: 562e2f467e ("net: mvneta: Improve the buffer allocation method for SWBM")
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cong noted that we need the same checks introduced by commit 76c0ddd8c3
("ip6_tunnel: be careful when accessing the inner header")
even for ipv4 tunnels.
Fixes: c544193214 ("GRE: Refactor GRE tunneling code.")
Suggested-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Summary:
This appears to be necessary and sufficient change to enable `MPLS` on
`ip6gre` tunnels (RFC4023).
This diff allows IP6GRE devices to be recognized by MPLS kernel module
and hence user can configure interface to accept packets with mpls
headers as well setup mpls routes on them.
Test Plan:
Test plan consists of multiple containers connected via GRE-V6 tunnel.
Then carrying out testing steps as below.
- Carry out necessary sysctl settings on all containers
```
sysctl -w net.mpls.platform_labels=65536
sysctl -w net.mpls.ip_ttl_propagate=1
sysctl -w net.mpls.conf.lo.input=1
```
- Establish IP6GRE tunnels
```
ip -6 tunnel add name if_1_2_1 mode ip6gre \
local 2401:db00:21:6048:feed:0::1 \
remote 2401:db00:21:6048:feed:0::2 key 1
ip link set dev if_1_2_1 up
sysctl -w net.mpls.conf.if_1_2_1.input=1
ip -4 addr add 169.254.0.2/31 dev if_1_2_1 scope link
ip -6 tunnel add name if_1_3_1 mode ip6gre \
local 2401:db00:21:6048:feed:0::1 \
remote 2401:db00:21:6048:feed:0::3 key 1
ip link set dev if_1_3_1 up
sysctl -w net.mpls.conf.if_1_3_1.input=1
ip -4 addr add 169.254.0.4/31 dev if_1_3_1 scope link
```
- Install MPLS encap rules on node-1 towards node-2
```
ip route add 192.168.0.11/32 nexthop encap mpls 32/64 \
via inet 169.254.0.3 dev if_1_2_1
```
- Install MPLS forwarding rules on node-2 and node-3
```
// node2
ip -f mpls route add 32 via inet 169.254.0.7 dev if_2_4_1
// node3
ip -f mpls route add 64 via inet 169.254.0.12 dev if_4_3_1
```
- Ping 192.168.0.11 (node4) from 192.168.0.1 (node1) (where routing
towards 192.168.0.1 is via IP route directly towards node1 from node4)
```
ping 192.168.0.11
```
- tcpdump on interface to capture ping packets wrapped within MPLS
header which inturn wrapped within IP6GRE header
```
16:43:41.121073 IP6
2401:db00:21:6048:feed::1 > 2401:db00:21:6048:feed::2:
DSTOPT GREv0, key=0x1, length 100:
MPLS (label 32, exp 0, ttl 255) (label 64, exp 0, [S], ttl 255)
IP 192.168.0.1 > 192.168.0.11:
ICMP echo request, id 1208, seq 45, length 64
0x0000: 6000 2cdb 006c 3c3f 2401 db00 0021 6048 `.,..l<?$....!`H
0x0010: feed 0000 0000 0001 2401 db00 0021 6048 ........$....!`H
0x0020: feed 0000 0000 0002 2f00 0401 0401 0100 ......../.......
0x0030: 2000 8847 0000 0001 0002 00ff 0004 01ff ...G............
0x0040: 4500 0054 3280 4000 ff01 c7cb c0a8 0001 E..T2.@.........
0x0050: c0a8 000b 0800 a8d7 04b8 002d 2d3c a05b ...........--<.[
0x0060: 0000 0000 bcd8 0100 0000 0000 1011 1213 ................
0x0070: 1415 1617 1819 1a1b 1c1d 1e1f 2021 2223 .............!"#
0x0080: 2425 2627 2829 2a2b 2c2d 2e2f 3031 3233 $%&'()*+,-./0123
0x0090: 3435 3637 4567
```
Signed-off-by: Saif Hasan <has@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
