OA exponent value of 0 is a valid value for periodic reports. Allow user
to pass 0 for the OA sampling interval since it gets converted to 2 gt
clock ticks.
v2: Update the check in xe_oa_stream_init as well (Ashutosh)
v3: Fix mi-rpc failure by setting default exponent to -1 (CI)
v4: Add the Fixes tag
Fixes: b6fd51c621 ("drm/xe/oa/uapi: Define and parse OA stream properties")
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250221213352.1712932-1-umesh.nerlige.ramappa@intel.com
(cherry picked from commit 30341f0b8ea71725cc4ab2c43e3a3b749892fc92)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Currently we treat EFAULT from hmm_range_fault() as a non-fatal error
when called from xe_vm_userptr_pin() with the idea that we want to avoid
killing the entire vm and chucking an error, under the assumption that
the user just did an unmap or something, and has no intention of
actually touching that memory from the GPU. At this point we have
already zapped the PTEs so any access should generate a page fault, and
if the pin fails there also it will then become fatal.
However it looks like it's possible for the userptr vma to still be on
the rebind list in preempt_rebind_work_func(), if we had to retry the
pin again due to something happening in the caller before we did the
rebind step, but in the meantime needing to re-validate the userptr and
this time hitting the EFAULT.
This explains an internal user report of hitting:
[ 191.738349] WARNING: CPU: 1 PID: 157 at drivers/gpu/drm/xe/xe_res_cursor.h:158 xe_pt_stage_bind.constprop.0+0x60a/0x6b0 [xe]
[ 191.738551] Workqueue: xe-ordered-wq preempt_rebind_work_func [xe]
[ 191.738616] RIP: 0010:xe_pt_stage_bind.constprop.0+0x60a/0x6b0 [xe]
[ 191.738690] Call Trace:
[ 191.738692] <TASK>
[ 191.738694] ? show_regs+0x69/0x80
[ 191.738698] ? __warn+0x93/0x1a0
[ 191.738703] ? xe_pt_stage_bind.constprop.0+0x60a/0x6b0 [xe]
[ 191.738759] ? report_bug+0x18f/0x1a0
[ 191.738764] ? handle_bug+0x63/0xa0
[ 191.738767] ? exc_invalid_op+0x19/0x70
[ 191.738770] ? asm_exc_invalid_op+0x1b/0x20
[ 191.738777] ? xe_pt_stage_bind.constprop.0+0x60a/0x6b0 [xe]
[ 191.738834] ? ret_from_fork_asm+0x1a/0x30
[ 191.738849] bind_op_prepare+0x105/0x7b0 [xe]
[ 191.738906] ? dma_resv_reserve_fences+0x301/0x380
[ 191.738912] xe_pt_update_ops_prepare+0x28c/0x4b0 [xe]
[ 191.738966] ? kmemleak_alloc+0x4b/0x80
[ 191.738973] ops_execute+0x188/0x9d0 [xe]
[ 191.739036] xe_vm_rebind+0x4ce/0x5a0 [xe]
[ 191.739098] ? trace_hardirqs_on+0x4d/0x60
[ 191.739112] preempt_rebind_work_func+0x76f/0xd00 [xe]
Followed by NPD, when running some workload, since the sg was never
actually populated but the vma is still marked for rebind when it should
be skipped for this special EFAULT case. This is confirmed to fix the
user report.
v2 (MattB):
- Move earlier.
v3 (MattB):
- Update the commit message to make it clear that this indeed fixes the
issue.
Fixes: 521db22a1d ("drm/xe: Invalidate userptr VMA on page pin fault")
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: <stable@vger.kernel.org> # v6.10+
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250221143840.167150-5-matthew.auld@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
(cherry picked from commit 6b93cb98910c826c2e2004942f8b060311e43618)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
On error restore anything still on the pin_list back to the invalidation
list on error. For the actual pin, so long as the vma is tracked on
either list it should get picked up on the next pin, however it looks
possible for the vma to get nuked but still be present on this per vm
pin_list leading to corruption. An alternative might be then to instead
just remove the link when destroying the vma.
v2:
- Also add some asserts.
- Keep the overzealous locking so that we are consistent with the docs;
updating the docs and related bits will be done as a follow up.
Fixes: ed2bdf3b26 ("drm/xe/vm: Subclass userptr vmas")
Suggested-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: <stable@vger.kernel.org> # v6.8+
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250221143840.167150-4-matthew.auld@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
(cherry picked from commit 4e37e928928b730de9aa9a2f5dc853feeebc1742)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Revert one cleanup which turned out to eat too much stack space
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Merge tag 'i2c-for-6.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fix from Wolfram Sang:
"Revert one cleanup which turned out to eat too much stack space"
* tag 'i2c-for-6.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: core: Allocate temporary client dynamically
- Fix AVX-VNNI CPU feature dependency bug triggered via
the 'noxsave' boot option
- Fix typos in the SVA documentation
- Add Tony Luck as RDT co-maintainer and remove Fenghua Yu
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2025-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
- Fix AVX-VNNI CPU feature dependency bug triggered via the 'noxsave'
boot option
- Fix typos in the SVA documentation
- Add Tony Luck as RDT co-maintainer and remove Fenghua Yu
* tag 'x86-urgent-2025-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
docs: arch/x86/sva: Fix two grammar errors under Background and FAQ
x86/cpufeatures: Make AVX-VNNI depend on AVX
MAINTAINERS: Change maintainer for RDT
- Fix overly spread-out RSEQ concurrency ID allocation pattern that
regressed certain workloads.
- Fix RSEQ registration syscall behavior on -EFAULT errors when
CONFIG_DEBUG_RSEQ=y. (This debug option is disabled on most
distributions.)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2025-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull rseq fixes from Ingo Molnar:
- Fix overly spread-out RSEQ concurrency ID allocation pattern that
regressed certain workloads
- Fix RSEQ registration syscall behavior on -EFAULT errors when
CONFIG_DEBUG_RSEQ=y (This debug option is disabled on most
distributions)
* tag 'sched-urgent-2025-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
rseq: Fix rseq registration with CONFIG_DEBUG_RSEQ
sched: Compact RSEQ concurrency IDs with reduced threads and affinity
- Fix inline asm constraint in cmma_test_essa() to avoid potential ESSA
detection miscompilation
- Fix build failure with CONFIG_GENDWARFKSYMS by disabling purgatory
symbol exports with -D__DISABLE_EXPORTS
- Update defconfigs
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Merge tag 's390-6.14-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Fix inline asm constraint in cmma_test_essa() to avoid potential ESSA
detection miscompilation
- Fix build failure with CONFIG_GENDWARFKSYMS by disabling purgatory
symbol exports with -D__DISABLE_EXPORTS
- Update defconfigs
* tag 's390-6.14-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/boot: Fix ESSA detection
s390/purgatory: Use -D__DISABLE_EXPORTS
s390: Update defconfigs
Function graph accounting fixes:
- Fix the manage ops hashes
The function graph registers a "manager ops" and "sub-ops" to ftrace.
The manager ops does not have any callback but calls the sub-ops
callbacks. The manage ops hashes (what is used to tell ftrace what
functions to attach to) is built on the sub-ops it manages.
There was an error in the way it built the hash. An empty hash means to
attach to all functions. When the manager ops had one sub-ops it properly
copied its hash. But when the manager ops had more than one sub-ops, it
went into a loop to make a set of all functions it needed to add to the
hash. If any of the subops hashes was empty, that would mean to attach
to all functions. The error was that the first iteration of the loop
passed in an empty hash to start with in order to add the other hashes.
That starting hash was mistaken as to attach to all functions. This made
the manage ops attach to all functions whenever it had two or more
sub-ops, even if each sub-op was attached to only a single function.
- Do not add duplicate entries to the manager ops hash
If two or more subops hashes trace the same function, an entry for that
function will be added to the manager ops for each subops. This causes
waste and extra overhead.
Fprobe accounting fixes:
- Remove last function from fprobe hash
Fprobes has a ftrace hash to manage which functions an fprobe is attached
to. It also has a counter of how many fprobes are attached. When the last
fprobe is removed, it unregisters the fprobe from ftrace but does not
remove the functions the last fprobe was attached to from the hash. This
leaves the old functions attached. When a new fprobe is added, the fprobe
infrastructure attaches to not only the functions of the new fprobe, but
also to the functions of the last fprobe.
- Fix accounting of the fprobe counter
When a fprobe is added, it updates a counter. If the counter goes from
zero to one, it attaches its ops to ftrace. When an fprobe is removed, the
counter is decremented. If the counter goes from 1 to zero, it removes the
fprobes ops from ftrace. There was an issue where if two fprobes trace the
same function, the addition of each fprobe would increment the counter.
But when removing the first of the fprobes, it would notice that another
fprobe is still attached to one of its functions no it does not remove
the functions from the ftrace ops. But it also did not decrement the
counter. When the last fprobe is removed, the counter is still one. This
leaves the fprobes callback still registered with ftrace and it being
called by the functions defined by the fprobes ops hash. Worse yet,
because all the functions from the fprobe ops hash have been removed, that
tells ftrace that it wants to trace all functions. Thus, this puts the
state of the system where every function is calling the fprobe callback
handler (which does nothing as there are no registered fprobes), but this
causes a good 13% slow down of the entire system.
Other updates:
- Add a selftest to test the above issues to prevent regressions.
- Fix preempt count accounting in function tracing
Better recursion protection was added to function tracing which added
another layer of preempt disable. As the preempt_count gets traced in the
event, it needs to subtract the amount of preempt disabling the tracer
does to record what the preempt_count was when the trace was triggered.
- Fix memory leak in output of set_event
A variable is passed by the seq_file functions in the location that is
set by the return of the next() function. The start() function allocates
it and the stop() function frees it. But when the last item is found, the
next() returns NULL which leaks the data that was allocated in start().
The m->private is used for something else, so have next() free the data
when it returns NULL, as stop() will then just receive NULL in that case.
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Merge tag 'ftrace-v6.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
"Function graph accounting fixes:
- Fix the manage ops hashes
The function graph registers a "manager ops" and "sub-ops" to
ftrace. The manager ops does not have any callback but calls the
sub-ops callbacks. The manage ops hashes (what is used to tell
ftrace what functions to attach to) is built on the sub-ops it
manages.
There was an error in the way it built the hash. An empty hash
means to attach to all functions. When the manager ops had one
sub-ops it properly copied its hash. But when the manager ops had
more than one sub-ops, it went into a loop to make a set of all
functions it needed to add to the hash. If any of the subops hashes
was empty, that would mean to attach to all functions. The error
was that the first iteration of the loop passed in an empty hash to
start with in order to add the other hashes. That starting hash was
mistaken as to attach to all functions. This made the manage ops
attach to all functions whenever it had two or more sub-ops, even
if each sub-op was attached to only a single function.
- Do not add duplicate entries to the manager ops hash
If two or more subops hashes trace the same function, an entry for
that function will be added to the manager ops for each subops.
This causes waste and extra overhead.
Fprobe accounting fixes:
- Remove last function from fprobe hash
Fprobes has a ftrace hash to manage which functions an fprobe is
attached to. It also has a counter of how many fprobes are
attached. When the last fprobe is removed, it unregisters the
fprobe from ftrace but does not remove the functions the last
fprobe was attached to from the hash. This leaves the old functions
attached. When a new fprobe is added, the fprobe infrastructure
attaches to not only the functions of the new fprobe, but also to
the functions of the last fprobe.
- Fix accounting of the fprobe counter
When a fprobe is added, it updates a counter. If the counter goes
from zero to one, it attaches its ops to ftrace. When an fprobe is
removed, the counter is decremented. If the counter goes from 1 to
zero, it removes the fprobes ops from ftrace.
There was an issue where if two fprobes trace the same function,
the addition of each fprobe would increment the counter. But when
removing the first of the fprobes, it would notice that another
fprobe is still attached to one of its functions no it does not
remove the functions from the ftrace ops.
But it also did not decrement the counter, so when the last fprobe
is removed, the counter is still one. This leaves the fprobes
callback still registered with ftrace and it being called by the
functions defined by the fprobes ops hash. Worse yet, because all
the functions from the fprobe ops hash have been removed, that
tells ftrace that it wants to trace all functions.
Thus, this puts the state of the system where every function is
calling the fprobe callback handler (which does nothing as there
are no registered fprobes), but this causes a good 13% slow down of
the entire system.
Other updates:
- Add a selftest to test the above issues to prevent regressions.
- Fix preempt count accounting in function tracing
Better recursion protection was added to function tracing which
added another layer of preempt disable. As the preempt_count gets
traced in the event, it needs to subtract the amount of preempt
disabling the tracer does to record what the preempt_count was when
the trace was triggered.
- Fix memory leak in output of set_event
A variable is passed by the seq_file functions in the location that
is set by the return of the next() function. The start() function
allocates it and the stop() function frees it. But when the last
item is found, the next() returns NULL which leaks the data that
was allocated in start(). The m->private is used for something
else, so have next() free the data when it returns NULL, as stop()
will then just receive NULL in that case"
* tag 'ftrace-v6.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: Fix memory leak when reading set_event file
ftrace: Correct preemption accounting for function tracing.
selftests/ftrace: Update fprobe test to check enabled_functions file
fprobe: Fix accounting of when to unregister from function graph
fprobe: Always unregister fgraph function from ops
ftrace: Do not add duplicate entries in subops manager ops
ftrace: Fix accounting of adding subops to a manager ops
drivers/i2c/i2c-core-base.c: In function ‘i2c_detect.isra’:
drivers/i2c/i2c-core-base.c:2544:1: warning: the frame size of 1312 bytes is larger than 1024 bytes [-Wframe-larger-than=]
2544 | }
| ^
Fix this by allocating the temporary client structure dynamically, as it
is a rather large structure (1216 bytes, depending on kernel config).
This is basically a revert of the to-be-fixed commit with some
checkpatch improvements.
Fixes: 735668f8e5 ("i2c: core: Allocate temp client on the stack in i2c_detect")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Su Hui <suhui@nfschina.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
[wsa: updated commit message, merged tags from similar patch]
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Two people stepped up as platform co-maintainers: Andrew Jeffery for
ASpeed and Janne Grunau for Apple.
The rockchip platform gets 9 small fixes for devicetree files, addressing
both compile-time warnings and board specific bugs.
One bugfix for the optee firmware driver addresses a reboot-time hang.
Two drivers need improved Kconfig dependencies to allow wider compile-
testing while hiding the drivers on platforms that can't use them.
ARM SCMI and loongson-guts drivers get minor bugfixes.
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Merge tag 'soc-fixes-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC fixes from Arnd Bergmann:
"Two people stepped up as platform co-maintainers: Andrew Jeffery for
ASpeed and Janne Grunau for Apple.
The rockchip platform gets 9 small fixes for devicetree files,
addressing both compile-time warnings and board specific bugs.
One bugfix for the optee firmware driver addresses a reboot-time hang.
Two drivers need improved Kconfig dependencies to allow wider compile-
testing while hiding the drivers on platforms that can't use them.
ARM SCMI and loongson-guts drivers get minor bugfixes"
* tag 'soc-fixes-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
soc: loongson: loongson2_guts: Add check for devm_kstrdup()
tee: optee: Fix supplicant wait loop
platform: cznic: CZNIC_PLATFORMS should depend on ARCH_MVEBU
firmware: imx: IMX_SCMI_MISC_DRV should depend on ARCH_MXC
MAINTAINERS: arm: apple: Add Janne as maintainer
MAINTAINERS: Mark Andrew as M: for ASPEED MACHINE SUPPORT
firmware: arm_scmi: imx: Correct tx size of scmi_imx_misc_ctrl_set
arm64: dts: rockchip: adjust SMMU interrupt type on rk3588
arm64: dts: rockchip: disable IOMMU when running rk3588 in PCIe endpoint mode
dt-bindings: rockchip: pmu: Ensure all properties are defined
arm64: defconfig: Enable TISCI Interrupt Router and Aggregator
arm64: dts: rockchip: Fix lcdpwr_en pin for Cool Pi GenBook
arm64: dts: rockchip: fix fixed-regulator renames on rk3399-gru devices
arm64: dts: rockchip: Disable DMA for uart5 on px30-ringneck
arm64: dts: rockchip: Move uart5 pin configuration to px30 ringneck SoM
arm64: dts: rockchip: change eth phy mode to rgmii-id for orangepi r1 plus lts
arm64: dts: rockchip: Fix broken tsadc pinctrl names for rk3588
core:
- remove MAINTAINERS entry
cgroup/dmem:
- use correct function for pool descendants
panel:
- fix signal polarity issue jd9365da-h3
nouveau:
- folio handling fix
- config fix
amdxdna:
- fix missing header
xe:
- Fix error handling in xe_irq_install
- Fix devcoredump format
i915:
- Use spin_lock_irqsave() in interruptible context on guc submission
- Fixes on DDI and TRANS programming
- Make sure all planes in use by the joiner have their crtc included
- Fix 128b/132b modeset issues
msm:
- More catalog fixes:
- to skip watchdog programming through top block if its not present
- fix the setting of WB mask to ensure the WB input control is programmed
correctly through ping-pong
- drop lm_pair for sm6150 as that chipset does not have any 3dmerge block
- Fix the mode validation logic for DP/eDP to account for widebus (2ppc)
to allow high clock resolutions
- Fix to disable dither during encoder disable as otherwise this was
causing kms_writeback failure due to resource sharing between
WB and DSI paths as DSI uses dither but WB does not
- Fixes for virtual planes, namely to drop extraneous return and fix
uninitialized variables
- Fix to avoid spill-over of DSC encoder block bits when programming
the bits-per-component
- Fixes in the DSI PHY to protect against concurrent access of
PHY_CMN_CLK_CFG regs between clock and display drivers
- Core/GPU:
- Fix non-blocking fence wait incorrectly rounding up to 1 jiffy timeout
- Only print GMU fw version once, instead of each time the GPU resumes
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Merge tag 'drm-fixes-2025-02-22' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Weekly drm fixes pull request, lots of small things all over, msm has
a bunch of things but all very small, xe, i915, a fix for the cgroup
dmem controller.
core:
- remove MAINTAINERS entry
cgroup/dmem:
- use correct function for pool descendants
panel:
- fix signal polarity issue jd9365da-h3
nouveau:
- folio handling fix
- config fix
amdxdna:
- fix missing header
xe:
- Fix error handling in xe_irq_install
- Fix devcoredump format
i915:
- Use spin_lock_irqsave() in interruptible context on guc submission
- Fixes on DDI and TRANS programming
- Make sure all planes in use by the joiner have their crtc included
- Fix 128b/132b modeset issues
msm:
- More catalog fixes:
- to skip watchdog programming through top block if its not
present
- fix the setting of WB mask to ensure the WB input control is
programmed correctly through ping-pong
- drop lm_pair for sm6150 as that chipset does not have any
3dmerge block
- Fix the mode validation logic for DP/eDP to account for widebus
(2ppc) to allow high clock resolutions
- Fix to disable dither during encoder disable as otherwise this
was causing kms_writeback failure due to resource sharing
between WB and DSI paths as DSI uses dither but WB does not
- Fixes for virtual planes, namely to drop extraneous return and
fix uninitialized variables
- Fix to avoid spill-over of DSC encoder block bits when
programming the bits-per-component
- Fixes in the DSI PHY to protect against concurrent access of
PHY_CMN_CLK_CFG regs between clock and display drivers
- Core/GPU:
- Fix non-blocking fence wait incorrectly rounding up to 1 jiffy
timeout
- Only print GMU fw version once, instead of each time the GPU
resumes"
* tag 'drm-fixes-2025-02-22' of https://gitlab.freedesktop.org/drm/kernel: (28 commits)
drm/i915/dp: Fix disabling the transcoder function in 128b/132b mode
drm/i915/dp: Fix error handling during 128b/132b link training
accel/amdxdna: Add missing include linux/slab.h
MAINTAINERS: Remove myself
drm/nouveau/pmu: Fix gp10b firmware guard
cgroup/dmem: Don't open-code css_for_each_descendant_pre
drm/xe/guc: Fix size_t print format
drm/xe: Make GUC binaries dump consistent with other binaries in devcoredump
drm/i915: Make sure all planes in use by the joiner have their crtc included
drm/i915/ddi: Fix HDMI port width programming in DDI_BUF_CTL
drm/i915/dsi: Use TRANS_DDI_FUNC_CTL's own port width macro
drm/xe: Fix error handling in xe_irq_install()
drm/i915/gt: Use spin_lock_irqsave() in interruptible context
drm/msm/dsi/phy: Do not overwite PHY_CMN_CLK_CFG1 when choosing bitclk source
drm/msm/dsi/phy: Protect PHY_CMN_CLK_CFG1 against clock driver
drm/msm/dsi/phy: Protect PHY_CMN_CLK_CFG0 updated from driver side
drm/msm/dpu: Drop extraneous return in dpu_crtc_reassign_planes()
drm/msm/dpu: Don't leak bits_per_component into random DSC_ENC fields
drm/msm/dpu: Disable dither in phys encoder cleanup
drm/msm/dpu: Fix uninitialized variable
...
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Merge tag 'block-6.14-20250221' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
- NVMe pull request via Keith:
- FC controller state check fixes (Daniel)
- PCI Endpoint fixes (Damien)
- TCP connection failure fixe (Caleb)
- TCP handling C2HTermReq PDU (Maurizio)
- RDMA queue state check (Ruozhu)
- Apple controller fixes (Hector)
- Target crash on disbaled namespace (Hannes)
- MD pull request via Yu:
- Fix queue limits error handling for raid0, raid1 and raid10
- Fix for a NULL pointer deref in request data mapping
- Code cleanup for request merging
* tag 'block-6.14-20250221' of git://git.kernel.dk/linux:
nvme: only allow entering LIVE from CONNECTING state
nvme-fc: rely on state transitions to handle connectivity loss
apple-nvme: Support coprocessors left idle
apple-nvme: Release power domains when probe fails
nvmet: Use enum definitions instead of hardcoded values
nvme: Cleanup the definition of the controller config register fields
nvme/ioctl: add missing space in err message
nvme-tcp: fix connect failure on receiving partial ICResp PDU
nvme: tcp: Fix compilation warning with W=1
nvmet: pci-epf: Avoid RCU stalls under heavy workload
nvmet: pci-epf: Do not uselessly write the CSTS register
nvmet: pci-epf: Correctly initialize CSTS when enabling the controller
nvmet-rdma: recheck queue state is LIVE in state lock in recv done
nvmet: Fix crash when a namespace is disabled
nvme-tcp: add basic support for the C2HTermReq PDU
nvme-pci: quirk Acer FA100 for non-uniqueue identifiers
block: fix NULL pointer dereferenced within __blk_rq_map_sg
block/merge: remove unnecessary min() with UINT_MAX
md/raid*: Fix the set_queue_limits implementations
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Merge tag 'io_uring-6.14-20250221' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
- Series fixing an issue with multishot read on pollable files that may
return -EIOCBQUEUED from ->read_iter(). Four small patches for that,
the first one deliberately done in such a way that it'd be easy to
backport
- Remove some dead constant definitions
- Use array_index_nospec() for opcode indexing
- Work-around for worker creation retries in the presence of signals
* tag 'io_uring-6.14-20250221' of git://git.kernel.dk/linux:
io_uring/rw: clean up mshot forced sync mode
io_uring/rw: move ki_complete init into prep
io_uring/rw: don't directly use ki_complete
io_uring/rw: forbid multishot async reads
io_uring/rsrc: remove unused constants
io_uring: fix spelling error in uapi io_uring.h
io_uring: prevent opcode speculation
io-wq: backoff when retrying worker creation
Fix a memory leak in the ACPI platform_profile driver (Kurt Borja).
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Merge tag 'acpi-6.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Fix a memory leak in the ACPI platform_profile driver (Kurt Borja)"
* tag 'acpi-6.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: platform_profile: Fix memory leak in profile_class_is_visible()
failure and the Qcom raw NAND controller probe failure which are due to
some refactoring, otherwise there has been a series of misc fixes on the
Cadence raw NAND controller driver and especially on the DMA side.
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Merge tag 'mtd/fixes-for-6.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull mtd fixes from Miquel Raynal:
"The two most important fixes in this list are probably the SST write
failure and the Qcom raw NAND controller probe failure which are due
to some refactoring, otherwise there has been a series of misc fixes
on the Cadence raw NAND controller driver and especially on the DMA
side"
* tag 'mtd/fixes-for-6.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
mtd: rawnand: cadence: fix unchecked dereference
mtd: spi-nor: sst: Fix SST write failure
dt-bindings: mtd: cadence: document required clock-names
mtd: rawnand: qcom: fix broken config in qcom_param_page_type_exec
mtd: rawnand: cadence: fix incorrect device in dma_unmap_single
mtd: rawnand: cadence: use dma_map_resource for sdma address
mtd: rawnand: cadence: fix error code in cadence_nand_init()
- check the return value of the get_direction() callback in struct
gpio_chip
- protect the multi-line get/set legs in GPIO core with SRCU
- fix a race condition in gpio-vf610
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Merge tag 'gpio-fixes-for-v6.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
"There are two fixes for GPIO core: one adds missing retval checks to
older code, while the second adds SRCU synchronization to legs in code
that were missed during the big rework a few cycles back. There's also
one small driver fix:
- check the return value of the get_direction() callback in struct
gpio_chip
- protect the multi-line get/set legs in GPIO core with SRCU
- fix a race condition in gpio-vf610"
* tag 'gpio-fixes-for-v6.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpiolib: don't bail out if get_direction() fails in gpiochip_add_data()
gpiolib: protect gpio_chip with SRCU in array_info paths in multi get/set
gpio: vf610: add locking to gpio direction functions
gpiolib: check the return value of gpio_chip::get_direction()
kmemleak reports the following memory leak after reading set_event file:
# cat /sys/kernel/tracing/set_event
# cat /sys/kernel/debug/kmemleak
unreferenced object 0xff110001234449e0 (size 16):
comm "cat", pid 13645, jiffies 4294981880
hex dump (first 16 bytes):
01 00 00 00 00 00 00 00 a8 71 e7 84 ff ff ff ff .........q......
backtrace (crc c43abbc):
__kmalloc_cache_noprof+0x3ca/0x4b0
s_start+0x72/0x2d0
seq_read_iter+0x265/0x1080
seq_read+0x2c9/0x420
vfs_read+0x166/0xc30
ksys_read+0xf4/0x1d0
do_syscall_64+0x79/0x150
entry_SYSCALL_64_after_hwframe+0x76/0x7e
The issue can be reproduced regardless of whether set_event is empty or
not. Here is an example about the valid content of set_event.
# cat /sys/kernel/tracing/set_event
sched:sched_process_fork
sched:sched_switch
sched:sched_wakeup
*:*:mod:trace_events_sample
The root cause is that s_next() returns NULL when nothing is found.
This results in s_stop() attempting to free a NULL pointer because its
parameter is NULL.
Fix the issue by freeing the memory appropriately when s_next() fails
to find anything.
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://lore.kernel.org/20250220031528.7373-1-ahuang12@lenovo.com
Fixes: b355247df1 ("tracing: Cache ":mod:" events for modules not loaded yet")
Signed-off-by: Adrian Huang <ahuang12@lenovo.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
The function tracer should record the preemption level at the point when
the function is invoked. If the tracing subsystem decrement the
preemption counter it needs to correct this before feeding the data into
the trace buffer. This was broken in the commit cited below while
shifting the preempt-disabled section.
Use tracing_gen_ctx_dec() which properly subtracts one from the
preemption counter on a preemptible kernel.
Cc: stable@vger.kernel.org
Cc: Wander Lairson Costa <wander@redhat.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/20250220140749.pfw8qoNZ@linutronix.de
Fixes: ce5e48036c ("ftrace: disable preemption when recursion locked")
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Tested-by: Wander Lairson Costa <wander@redhat.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
A few bugs were found in the fprobe accounting logic along with it using
the function graph infrastructure. Update the fprobe selftest to catch
those bugs in case they or something similar shows up in the future.
The test now checks the enabled_functions file which shows all the
functions attached to ftrace or fgraph. When enabling a fprobe, make sure
that its corresponding function is also added to that file. Also add two
more fprobes to enable to make sure that the fprobe logic works properly
with multiple probes.
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Link: https://lore.kernel.org/20250220202055.733001756@goodmis.org
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Tested-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
When adding a new fprobe, it will update the function hash to the
functions the fprobe is attached to and register with function graph to
have it call the registered functions. The fprobe_graph_active variable
keeps track of the number of fprobes that are using function graph.
If two fprobes attach to the same function, it increments the
fprobe_graph_active for each of them. But when they are removed, the first
fprobe to be removed will see that the function it is attached to is also
used by another fprobe and it will not remove that function from
function_graph. The logic will skip decrementing the fprobe_graph_active
variable.
This causes the fprobe_graph_active variable to not go to zero when all
fprobes are removed, and in doing so it does not unregister from
function graph. As the fgraph ops hash will now be empty, and an empty
filter hash means all functions are enabled, this triggers function graph
to add a callback to the fprobe infrastructure for every function!
# echo "f:myevent1 kernel_clone" >> /sys/kernel/tracing/dynamic_events
# echo "f:myevent2 kernel_clone%return" >> /sys/kernel/tracing/dynamic_events
# cat /sys/kernel/tracing/enabled_functions
kernel_clone (1) tramp: 0xffffffffc0024000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
# > /sys/kernel/tracing/dynamic_events
# cat /sys/kernel/tracing/enabled_functions
trace_initcall_start_cb (1) tramp: 0xffffffffc0026000 (function_trace_call+0x0/0x170) ->function_trace_call+0x0/0x170
run_init_process (1) tramp: 0xffffffffc0026000 (function_trace_call+0x0/0x170) ->function_trace_call+0x0/0x170
try_to_run_init_process (1) tramp: 0xffffffffc0026000 (function_trace_call+0x0/0x170) ->function_trace_call+0x0/0x170
x86_pmu_show_pmu_cap (1) tramp: 0xffffffffc0026000 (function_trace_call+0x0/0x170) ->function_trace_call+0x0/0x170
cleanup_rapl_pmus (1) tramp: 0xffffffffc0026000 (function_trace_call+0x0/0x170) ->function_trace_call+0x0/0x170
uncore_free_pcibus_map (1) tramp: 0xffffffffc0026000 (function_trace_call+0x0/0x170) ->function_trace_call+0x0/0x170
uncore_types_exit (1) tramp: 0xffffffffc0026000 (function_trace_call+0x0/0x170) ->function_trace_call+0x0/0x170
uncore_pci_exit.part.0 (1) tramp: 0xffffffffc0026000 (function_trace_call+0x0/0x170) ->function_trace_call+0x0/0x170
kvm_shutdown (1) tramp: 0xffffffffc0026000 (function_trace_call+0x0/0x170) ->function_trace_call+0x0/0x170
vmx_dump_msrs (1) tramp: 0xffffffffc0026000 (function_trace_call+0x0/0x170) ->function_trace_call+0x0/0x170
[..]
# cat /sys/kernel/tracing/enabled_functions | wc -l
54702
If a fprobe is being removed and all its functions are also traced by
other fprobes, still decrement the fprobe_graph_active counter.
Cc: stable@vger.kernel.org
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Link: https://lore.kernel.org/20250220202055.565129766@goodmis.org
Fixes: 4346ba1604 ("fprobe: Rewrite fprobe on function-graph tracer")
Closes: https://lore.kernel.org/all/20250217114918.10397-A-hca@linux.ibm.com/
Reported-by: Heiko Carstens <hca@linux.ibm.com>
Tested-by: Heiko Carstens <hca@linux.ibm.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
When the last fprobe is removed, it calls unregister_ftrace_graph() to
remove the graph_ops from function graph. The issue is when it does so, it
calls return before removing the function from its graph ops via
ftrace_set_filter_ips(). This leaves the last function lingering in the
fprobe's fgraph ops and if a probe is added it also enables that last
function (even though the callback will just drop it, it does add unneeded
overhead to make that call).
# echo "f:myevent1 kernel_clone" >> /sys/kernel/tracing/dynamic_events
# cat /sys/kernel/tracing/enabled_functions
kernel_clone (1) tramp: 0xffffffffc02f3000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
# echo "f:myevent2 schedule_timeout" >> /sys/kernel/tracing/dynamic_events
# cat /sys/kernel/tracing/enabled_functions
kernel_clone (1) tramp: 0xffffffffc02f3000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
schedule_timeout (1) tramp: 0xffffffffc02f3000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
# > /sys/kernel/tracing/dynamic_events
# cat /sys/kernel/tracing/enabled_functions
# echo "f:myevent3 kmem_cache_free" >> /sys/kernel/tracing/dynamic_events
# cat /sys/kernel/tracing/enabled_functions
kmem_cache_free (1) tramp: 0xffffffffc0219000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
schedule_timeout (1) tramp: 0xffffffffc0219000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
The above enabled a fprobe on kernel_clone, and then on schedule_timeout.
The content of the enabled_functions shows the functions that have a
callback attached to them. The fprobe attached to those functions
properly. Then the fprobes were cleared, and enabled_functions was empty
after that. But after adding a fprobe on kmem_cache_free, the
enabled_functions shows that the schedule_timeout was attached again. This
is because it was still left in the fprobe ops that is used to tell
function graph what functions it wants callbacks from.
Cc: stable@vger.kernel.org
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Link: https://lore.kernel.org/20250220202055.393254452@goodmis.org
Fixes: 4346ba1604 ("fprobe: Rewrite fprobe on function-graph tracer")
Tested-by: Heiko Carstens <hca@linux.ibm.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Check if a function is already in the manager ops of a subops. A manager
ops contains multiple subops, and if two or more subops are tracing the
same function, the manager ops only needs a single entry in its hash.
Cc: stable@vger.kernel.org
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Link: https://lore.kernel.org/20250220202055.226762894@goodmis.org
Fixes: 4f554e9556 ("ftrace: Add ftrace_set_filter_ips function")
Tested-by: Heiko Carstens <hca@linux.ibm.com>
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Function graph uses a subops and manager ops mechanism to attach to
ftrace. The manager ops connects to ftrace and the functions it connects
to is defined by a list of subops that it manages.
The function hash that defines what the above ops attaches to limits the
functions to attach if the hash has any content. If the hash is empty, it
means to trace all functions.
The creation of the manager ops hash is done by iterating over all the
subops hashes. If any of the subops hashes is empty, it means that the
manager ops hash must trace all functions as well.
The issue is in the creation of the manager ops. When a second subops is
attached, a new hash is created by starting it as NULL and adding the
subops one at a time. But the NULL ops is mistaken as an empty hash, and
once an empty hash is found, it stops the loop of subops and just enables
all functions.
# echo "f:myevent1 kernel_clone" >> /sys/kernel/tracing/dynamic_events
# cat /sys/kernel/tracing/enabled_functions
kernel_clone (1) tramp: 0xffffffffc0309000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
# echo "f:myevent2 schedule_timeout" >> /sys/kernel/tracing/dynamic_events
# cat /sys/kernel/tracing/enabled_functions
trace_initcall_start_cb (1) tramp: 0xffffffffc0309000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
run_init_process (1) tramp: 0xffffffffc0309000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
try_to_run_init_process (1) tramp: 0xffffffffc0309000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
x86_pmu_show_pmu_cap (1) tramp: 0xffffffffc0309000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
cleanup_rapl_pmus (1) tramp: 0xffffffffc0309000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
uncore_free_pcibus_map (1) tramp: 0xffffffffc0309000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
uncore_types_exit (1) tramp: 0xffffffffc0309000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
uncore_pci_exit.part.0 (1) tramp: 0xffffffffc0309000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
kvm_shutdown (1) tramp: 0xffffffffc0309000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
vmx_dump_msrs (1) tramp: 0xffffffffc0309000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
vmx_cleanup_l1d_flush (1) tramp: 0xffffffffc0309000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
[..]
Fix this by initializing the new hash to NULL and if the hash is NULL do
not treat it as an empty hash but instead allocate by copying the content
of the first sub ops. Then on subsequent iterations, the new hash will not
be NULL, but the content of the previous subops. If that first subops
attached to all functions, then new hash may assume that the manager ops
also needs to attach to all functions.
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Link: https://lore.kernel.org/20250220202055.060300046@goodmis.org
Fixes: 5fccc7552c ("ftrace: Add subops logic to allow one ops to manage many")
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
With CONFIG_DEBUG_RSEQ=y, at rseq registration the read-only fields are
copied from user-space, if this copy fails the syscall returns -EFAULT
and the registration should not be activated - but it erroneously is.
Move the activation of the registration after the copy of the fields to
fix this bug.
Fixes: 7d5265ffcd ("rseq: Validate read-only fields under DEBUG_RSEQ config")
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://lore.kernel.org/r/20250219205330.324770-1-mjeanson@efficios.com
The 'noxsave' boot option disables support for AVX, but support for the
AVX-VNNI feature was still declared on CPUs that support it. Fix this.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/r/20250220060124.89622-1-ebiggers@kernel.org
On X1E80100, there is a hardware bug in the register logic of the
IRQ_ENABLE_BANK register: While read accesses work on the normal address,
all write accesses must be made to a shifted address. Without a workaround
for this, the wrong interrupt gets enabled in the PDC and it is impossible
to wakeup from deep suspend (CX collapse). This has not caused problems so
far, because the deep suspend state was not enabled. A workaround is
required now since work is ongoing to fix this.
The PDC has multiple "DRV" regions, each one has a size of 0x10000 and
provides the same set of registers for a particular client in the system.
Linux is one the clients and uses DRV region 2 on X1E. Each "bank" inside
the DRV region consists of 32 interrupt pins that can be enabled using the
IRQ_ENABLE_BANK register:
IRQ_ENABLE_BANK[bank] = base + IRQ_ENABLE_BANK + bank * sizeof(u32)
On X1E, this works as intended for read access. However, write access to
most banks is shifted by 2:
IRQ_ENABLE_BANK_X1E[0] = IRQ_ENABLE_BANK[-2]
IRQ_ENABLE_BANK_X1E[1] = IRQ_ENABLE_BANK[-1]
IRQ_ENABLE_BANK_X1E[2] = IRQ_ENABLE_BANK[0] = IRQ_ENABLE_BANK[2 - 2]
IRQ_ENABLE_BANK_X1E[3] = IRQ_ENABLE_BANK[1] = IRQ_ENABLE_BANK[3 - 2]
IRQ_ENABLE_BANK_X1E[4] = IRQ_ENABLE_BANK[2] = IRQ_ENABLE_BANK[4 - 2]
IRQ_ENABLE_BANK_X1E[5] = IRQ_ENABLE_BANK[5] (this one works as intended)
The negative indexes underflow to banks of the previous DRV/client region:
IRQ_ENABLE_BANK_X1E[drv 2][bank 0] = IRQ_ENABLE_BANK[drv 2][bank -2]
= IRQ_ENABLE_BANK[drv 1][bank 5-2]
= IRQ_ENABLE_BANK[drv 1][bank 3]
= IRQ_ENABLE_BANK[drv 1][bank 0 + 3]
IRQ_ENABLE_BANK_X1E[drv 2][bank 1] = IRQ_ENABLE_BANK[drv 2][bank -1]
= IRQ_ENABLE_BANK[drv 1][bank 5-1]
= IRQ_ENABLE_BANK[drv 1][bank 4]
= IRQ_ENABLE_BANK[drv 1][bank 1 + 3]
Introduce a workaround for the bug by matching the qcom,x1e80100-pdc
compatible and apply the offsets as shown above:
- Bank 0...1: previous DRV region, bank += 3
- Bank 1...4: our DRV region, bank -= 2
- Bank 5: our DRV region, no fixup required
The PDC node in the device tree only describes the DRV region for the Linux
client, but the workaround also requires to map parts of the previous DRV
region to issue writes there. To maintain compatibility with old device
trees, obtain the base address of the preceeding region by applying the
-0x10000 offset. Note that this is also more correct from a conceptual
point of view:
It does not really make use of the other region; it just issues shifted
writes that end up in the registers of the Linux associated DRV region 2.
Signed-off-by: Stephan Gerhold <stephan.gerhold@linaro.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/all/20250218-x1e80100-pdc-hw-wa-v2-1-29be4c98e355@linaro.org
- Fix an unintentional masking of AHCI ports when the device tree
does not define port child nodes (Damien)
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Merge tag 'ata-6.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fix from Niklas Cassel:
- Fix an unintentional masking of AHCI ports when the device tree does
not define port child nodes (Damien)
* tag 'ata-6.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: libahci_platform: Do not set mask_port_map when not needed
Fixes for v6.14-rc4
Display:
* More catalog fixes:
- to skip watchdog programming through top block if its not present
- fix the setting of WB mask to ensure the WB input control is programmed
correctly through ping-pong
- drop lm_pair for sm6150 as that chipset does not have any 3dmerge block
* Fix the mode validation logic for DP/eDP to account for widebus (2ppc)
to allow high clock resolutions
* Fix to disable dither during encoder disable as otherwise this was
causing kms_writeback failure due to resource sharing between
* WB and DSI paths as DSI uses dither but WB does not
* Fixes for virtual planes, namely to drop extraneous return and fix
uninitialized variables
* Fix to avoid spill-over of DSC encoder block bits when programming
the bits-per-component
* Fixes in the DSI PHY to protect against concurrent access of
PHY_CMN_CLK_CFG regs between clock and display drivers
Core/GPU:
* Fix non-blocking fence wait incorrectly rounding up to 1 jiffy timeout
* Only print GMU fw version once, instead of each time the GPU resumes
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGtt2AODBXdod8ULXcAygf_qYvwRDVeUVtODx=2jErp6cA@mail.gmail.com
- Fixes on DDI and TRANS programming (Imre)
- Make sure all planes in use by the joiner have their crtc included (Ville)
- Fix 128b/132b modeset issues (Imre)
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Merge tag 'drm-intel-fixes-2025-02-20' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-fixes
- Use spin_lock_irqsave() in interruptible context on guc submission (Krzysztof)
- Fixes on DDI and TRANS programming (Imre)
- Make sure all planes in use by the joiner have their crtc included (Ville)
- Fix 128b/132b modeset issues (Imre)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Z7dgcUG_hvityvHn@intel.com
- FC controller state check fixes (Daniel)
- PCI Endpoint fixes (Damien)
- TCP connection failure fixe (Caleb)
- TCP handling C2HTermReq PDU (Maurizio)
- RDMA queue state check (Ruozhu)
- Apple controller fixes (Hector)
- Target crash on disbaled namespace (Hannes)
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Merge tag 'nvme-6.14-2025-02-20' of git://git.infradead.org/nvme into block-6.14
Pull NVMe fixes from Keith:
"nvme fixes for Linux 6.14
- FC controller state check fixes (Daniel)
- PCI Endpoint fixes (Damien)
- TCP connection failure fixe (Caleb)
- TCP handling C2HTermReq PDU (Maurizio)
- RDMA queue state check (Ruozhu)
- Apple controller fixes (Hector)
- Target crash on disbaled namespace (Hannes)"
* tag 'nvme-6.14-2025-02-20' of git://git.infradead.org/nvme:
nvme: only allow entering LIVE from CONNECTING state
nvme-fc: rely on state transitions to handle connectivity loss
apple-nvme: Support coprocessors left idle
apple-nvme: Release power domains when probe fails
nvmet: Use enum definitions instead of hardcoded values
nvme: Cleanup the definition of the controller config register fields
nvme/ioctl: add missing space in err message
nvme-tcp: fix connect failure on receiving partial ICResp PDU
nvme: tcp: Fix compilation warning with W=1
nvmet: pci-epf: Avoid RCU stalls under heavy workload
nvmet: pci-epf: Do not uselessly write the CSTS register
nvmet: pci-epf: Correctly initialize CSTS when enabling the controller
nvmet-rdma: recheck queue state is LIVE in state lock in recv done
nvmet: Fix crash when a namespace is disabled
nvme-tcp: add basic support for the C2HTermReq PDU
nvme-pci: quirk Acer FA100 for non-uniqueue identifiers
- Fix a soft-lockup in BPF arena_map_free on 64k page size
kernels (Alan Maguire)
- Fix a missing allocation failure check in BPF verifier's
acquire_lock_state (Kumar Kartikeya Dwivedi)
- Fix a NULL-pointer dereference in trace_kfree_skb by adding
kfree_skb to the raw_tp_null_args set (Kuniyuki Iwashima)
- Fix a deadlock when freeing BPF cgroup storage (Abel Wu)
- Fix a syzbot-reported deadlock when holding BPF map's
freeze_mutex (Andrii Nakryiko)
- Fix a use-after-free issue in bpf_test_init when
eth_skb_pkt_type is accessing skb data not containing an
Ethernet header (Shigeru Yoshida)
- Fix skipping non-existing keys in generic_map_lookup_batch
(Yan Zhai)
- Several BPF sockmap fixes to address incorrect TCP copied_seq
calculations, which prevented correct data reads from recv(2)
in user space (Jiayuan Chen)
- Two fixes for BPF map lookup nullness elision (Daniel Xu)
- Fix a NULL-pointer dereference from vmlinux BTF lookup in
bpf_sk_storage_tracing_allowed (Jared Kangas)
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Pull BPF fixes from Daniel Borkmann:
- Fix a soft-lockup in BPF arena_map_free on 64k page size kernels
(Alan Maguire)
- Fix a missing allocation failure check in BPF verifier's
acquire_lock_state (Kumar Kartikeya Dwivedi)
- Fix a NULL-pointer dereference in trace_kfree_skb by adding kfree_skb
to the raw_tp_null_args set (Kuniyuki Iwashima)
- Fix a deadlock when freeing BPF cgroup storage (Abel Wu)
- Fix a syzbot-reported deadlock when holding BPF map's freeze_mutex
(Andrii Nakryiko)
- Fix a use-after-free issue in bpf_test_init when eth_skb_pkt_type is
accessing skb data not containing an Ethernet header (Shigeru
Yoshida)
- Fix skipping non-existing keys in generic_map_lookup_batch (Yan Zhai)
- Several BPF sockmap fixes to address incorrect TCP copied_seq
calculations, which prevented correct data reads from recv(2) in user
space (Jiayuan Chen)
- Two fixes for BPF map lookup nullness elision (Daniel Xu)
- Fix a NULL-pointer dereference from vmlinux BTF lookup in
bpf_sk_storage_tracing_allowed (Jared Kangas)
* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
selftests: bpf: test batch lookup on array of maps with holes
bpf: skip non exist keys in generic_map_lookup_batch
bpf: Handle allocation failure in acquire_lock_state
bpf: verifier: Disambiguate get_constant_map_key() errors
bpf: selftests: Test constant key extraction on irrelevant maps
bpf: verifier: Do not extract constant map keys for irrelevant maps
bpf: Fix softlockup in arena_map_free on 64k page kernel
net: Add rx_skb of kfree_skb to raw_tp_null_args[].
bpf: Fix deadlock when freeing cgroup storage
selftests/bpf: Add strparser test for bpf
selftests/bpf: Fix invalid flag of recv()
bpf: Disable non stream socket for strparser
bpf: Fix wrong copied_seq calculation
strparser: Add read_sock callback
bpf: avoid holding freeze_mutex during mmap operation
bpf: unify VM_WRITE vs VM_MAYWRITE use in BPF map mmaping logic
selftests/bpf: Adjust data size to have ETH_HLEN
bpf, test_run: Fix use-after-free issue in eth_skb_pkt_type()
bpf: Remove unnecessary BTF lookups in bpf_sk_storage_tracing_allowed
Due to job transition, I am stepping down as RDT maintainer.
Add Tony as a co-maintainer.
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Acked-by: Reinette Chatre <reinette.chatre@intel.com>
Acked-by: Tony Luck <tony.luck@intel.com>
Link: https://lore.kernel.org/all/20250131190731.3981085-1-fenghua.yu%40intel.com
fix and config fix in nouveau, a dmem cgroup descendant pool handling
fix, and a missing header for amdxdna.
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Merge tag 'drm-misc-fixes-2025-02-20' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
An reset signal polarity fix for the jd9365da-h3 panel, a folio handling
fix and config fix in nouveau, a dmem cgroup descendant pool handling
fix, and a missing header for amdxdna.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250220-glorious-cockle-of-might-5b35f7@houat
Just a single fix to address the incorrect size of the Tx buffer in the
function scmi_imx_misc_ctrl_set() which is part of NXP/i.MX SCMI vendor
extensions.
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Merge tag 'scmi-fix-6.14' of https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes
Arm SCMI fix for v6.14
Just a single fix to address the incorrect size of the Tx buffer in the
function scmi_imx_misc_ctrl_set() which is part of NXP/i.MX SCMI vendor
extensions.
* tag 'scmi-fix-6.14' of https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
firmware: arm_scmi: imx: Correct tx size of scmi_imx_misc_ctrl_set
Link: https://lore.kernel.org/r/20250217155246.1668182-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Current release - regressions:
- core: fix race of rtnl_net_lock(dev_net(dev)).
Previous releases - regressions:
- core: remove the single page frag cache for good
- flow_dissector: fix handling of mixed port and port-range keys
- sched: cls_api: fix error handling causing NULL dereference
- tcp:
- adjust rcvq_space after updating scaling ratio
- drop secpath at the same time as we currently drop dst
- eth: gtp: suppress list corruption splat in gtp_net_exit_batch_rtnl().
Previous releases - always broken:
- vsock:
- fix variables initialization during resuming
- for connectible sockets allow only connected
- eth: geneve: fix use-after-free in geneve_find_dev().
- eth: ibmvnic: don't reference skb after sending to VIOS
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Smaller than usual with no fixes from any subtree.
Current release - regressions:
- core: fix race of rtnl_net_lock(dev_net(dev))
Previous releases - regressions:
- core: remove the single page frag cache for good
- flow_dissector: fix handling of mixed port and port-range keys
- sched: cls_api: fix error handling causing NULL dereference
- tcp:
- adjust rcvq_space after updating scaling ratio
- drop secpath at the same time as we currently drop dst
- eth: gtp: suppress list corruption splat in gtp_net_exit_batch_rtnl().
Previous releases - always broken:
- vsock:
- fix variables initialization during resuming
- for connectible sockets allow only connected
- eth:
- geneve: fix use-after-free in geneve_find_dev()
- ibmvnic: don't reference skb after sending to VIOS"
* tag 'net-6.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (34 commits)
Revert "net: skb: introduce and use a single page frag cache"
net: allow small head cache usage with large MAX_SKB_FRAGS values
nfp: bpf: Add check for nfp_app_ctrl_msg_alloc()
tcp: drop secpath at the same time as we currently drop dst
net: axienet: Set mac_managed_pm
arp: switch to dev_getbyhwaddr() in arp_req_set_public()
net: Add non-RCU dev_getbyhwaddr() helper
sctp: Fix undefined behavior in left shift operation
selftests/bpf: Add a specific dst port matching
flow_dissector: Fix port range key handling in BPF conversion
selftests/net/forwarding: Add a test case for tc-flower of mixed port and port-range
flow_dissector: Fix handling of mixed port and port-range keys
geneve: Suppress list corruption splat in geneve_destroy_tunnels().
gtp: Suppress list corruption splat in gtp_net_exit_batch_rtnl().
dev: Use rtnl_net_dev_lock() in unregister_netdev().
net: Fix dev_net(dev) race in unregister_netdevice_notifier_dev_net().
net: Add net_passive_inc() and net_passive_dec().
net: pse-pd: pd692x0: Fix power limit retrieval
MAINTAINERS: trim the GVE entry
gve: set xdp redirect target only when it is available
...
Add check for the return value of cifs_buf_get() and cifs_small_buf_get()
in receive_encrypted_standard() to prevent null pointer dereference.
Fixes: eec04ea119 ("smb: client: fix OOB in receive_encrypted_standard()")
Cc: stable@vger.kernel.org
Signed-off-by: Haoxiang Li <haoxiang_li2024@163.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
The fabric transports and also the PCI transport are not entering the
LIVE state from NEW or RESETTING. This makes the state machine more
restrictive and allows to catch not supported state transitions, e.g.
directly switching from RESETTING to LIVE.
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Daniel Wagner <wagi@kernel.org>
Signed-off-by: Keith Busch <kbusch@kernel.org>
It's not possible to call nvme_state_ctrl_state with holding a spin
lock, because nvme_state_ctrl_state calls cancel_delayed_work_sync
when fastfail is enabled.
Instead syncing the ASSOC_FLAG and state transitions using a lock, it's
possible to only rely on the state machine transitions. That means
nvme_fc_ctrl_connectivity_loss should unconditionally call
nvme_reset_ctrl which avoids the read race on the ctrl state variable.
Actually, it's not necessary to test in which state the ctrl is, the
reset work will only scheduled when the state machine is in LIVE state.
In nvme_fc_create_association, the LIVE state can only be entered if it
was previously CONNECTING. If this is not possible then the reset
handler got triggered. Thus just error out here.
Fixes: ee59e3820c ("nvme-fc: do not ignore connectivity loss during connecting")
Closes: https://lore.kernel.org/all/denqwui6sl5erqmz2gvrwueyxakl5txzbbiu3fgebryzrfxunm@iwxuthct377m/
Reported-by: Shinichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Tested-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Daniel Wagner <wagi@kernel.org>
Signed-off-by: Keith Busch <kbusch@kernel.org>
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Merge tag 'v6.14-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
- Fix for chmod regression
- Two reparse point related fixes
- One minor cleanup (for GCC 14 compiles)
- Fix for SMB3.1.1 POSIX Extensions reporting incorrect file type
* tag 'v6.14-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: Treat unhandled directory name surrogate reparse points as mount directory nodes
cifs: Throw -EOPNOTSUPP error on unsupported reparse point type from parse_reparse_point()
smb311: failure to open files of length 1040 when mounting with SMB3.1.1 POSIX extensions
smb: client, common: Avoid multiple -Wflex-array-member-not-at-end warnings
smb: client: fix chmod(2) regression with ATTR_READONLY
Small stuff:
- The fsck code for Hongbo's directory i_size patch was wrong, caught by
transaction restart injection: we now have the CI running another test
variant with restart injection enabled
- Another fixup for reflink pointers to missing indirect extents:
previous fix was for fsck code, this fixes the normal runtime paths
- Another small srcu lock hold time fix, reported by jpsollie
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Merge tag 'bcachefs-2025-02-20' of git://evilpiepirate.org/bcachefs
Pull bcachefs fixes from Kent Overstreet:
"Small stuff:
- The fsck code for Hongbo's directory i_size patch was wrong, caught
by transaction restart injection: we now have the CI running
another test variant with restart injection enabled
- Another fixup for reflink pointers to missing indirect extents:
previous fix was for fsck code, this fixes the normal runtime paths
- Another small srcu lock hold time fix, reported by jpsollie"
* tag 'bcachefs-2025-02-20' of git://evilpiepirate.org/bcachefs:
bcachefs: Fix srcu lock warning in btree_update_nodes_written()
bcachefs: Fix bch2_indirect_extent_missing_error()
bcachefs: Fix fsck directory i_size checking
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Merge tag 'xfs-fixes-6.14-rc4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Carlos Maiolino:
"Just a collection of bug fixes, nothing really stands out"
* tag 'xfs-fixes-6.14-rc4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: flush inodegc before swapon
xfs: rename xfs_iomap_swapfile_activate to xfs_vm_swap_activate
xfs: Do not allow norecovery mount with quotacheck
xfs: do not check NEEDSREPAIR if ro,norecovery mount.
xfs: fix data fork format filtering during inode repair
xfs: fix online repair probing when CONFIG_XFS_ONLINE_REPAIR=n
