Two medium sized fixes, both in drivers. The UFS one adds parsing of
clock info structures, which is required by some host drivers and the
aacraid one reverts the IRQ affinity mapping patch which has been
causing regressions noted in kernel bugzilla 217599.
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
Pull SCSI fixes from James Bottomley:
"Two medium sized fixes, both in drivers.
The UFS one adds parsing of clock info structures, which is required
by some host drivers and the aacraid one reverts the IRQ affinity
mapping patch which has been causing regressions noted in kernel
bugzilla 217599"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: core: Store min and max clk freq from OPP table
Revert "scsi: aacraid: Reply queue mapping to CPUs based on IRQ affinity"
A few bigger things here, the main one being that there were changes to
the atmel driver in this cycle which made it possible to kill transfers
being used for filesystem I/O which turned out to be very disruptive,
the series of patches here undoes that and hardens things up further.
There's also a few smaller driver specific changes, the main one being
to revert a change that duplicted delays.
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Merge tag 'spi-fix-v6.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A few bigger things here, the main one being that there were changes
to the atmel driver in this cycle which made it possible to kill
transfers being used for filesystem I/O which turned out to be very
disruptive, the series of patches here undoes that and hardens things
up further.
There's also a few smaller driver specific changes, the main one being
to revert a change that duplicted delays"
* tag 'spi-fix-v6.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: atmel: Fix clock issue when using devices with different polarities
spi: spi-imx: correctly configure burst length when using dma
spi: cadence: revert "Add SPI transfer delays"
spi: atmel: Prevent spi transfers from being killed
spi: atmel: Drop unused defines
spi: atmel: Do not cancel a transfer upon any signal
because there are none, and thus prevent a lockdep splat
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Merge tag 'perf_urgent_for_v6.7_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fix from Borislav Petkov:
- Avoid iterating over newly created group leader event's siblings
because there are none, and thus prevent a lockdep splat
* tag 'perf_urgent_for_v6.7_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: Fix perf_event_validate_size() lockdep splat
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Merge tag 'for-6.7-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fix from David Sterba:
"One more fix that verifies that the snapshot source is a root, same
check is also done in user space but should be done by the ioctl as
well"
* tag 'for-6.7-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: do not allow non subvolume root targets for snapshot
- Null pointer dereference for mult link in core
- AC timing fix in intel driver
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Merge tag 'soundwire-6.7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire fixes from Vinod Koul:
- Null pointer dereference for mult link in core
- AC timing fix in intel driver
* tag 'soundwire-6.7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
soundwire: intel_ace2x: fix AC timing setting for ACE2.x
soundwire: stream: fix NULL pointer dereference for multi_link
Driver fixes for:
- SPI PDMA data fix for TI k3-psil drivers
- suspend fix, pointer check, logic for arbitration fix and channel leak
fix in fsl-edma driver
- couple of fixes in idxd driver for GRPCFG descriptions and int_handle
field handling
- single fix for stm32 driver for bitfield overflow
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Merge tag 'dmaengine-fix-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine fixes from Vinod Koul:
- SPI PDMA data fix for TI k3-psil drivers
- suspend fix, pointer check, logic for arbitration fix and channel
leak fix in fsl-edma driver
- couple of fixes in idxd driver for GRPCFG descriptions and int_handle
field handling
- single fix for stm32 driver for bitfield overflow
* tag 'dmaengine-fix-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine:
dmaengine: fsl-edma: fix DMA channel leak in eDMAv4
dmaengine: fsl-edma: fix wrong pointer check in fsl_edma3_attach_pd()
dmaengine: idxd: Fix incorrect descriptions for GRPCFG register
dmaengine: idxd: Protect int_handle field in hw descriptor
dmaengine: stm32-dma: avoid bitfield overflow assertion
dmaengine: fsl-edma: Add judgment on enabling round robin arbitration
dmaengine: fsl-edma: Do not suspend and resume the masked dma channel when the system is sleeping
dmaengine: ti: k3-psil-am62a: Fix SPI PDMA data
dmaengine: ti: k3-psil-am62: Fix SPI PDMA data
- Fix alloc_free_mem_region()'s scan for address space, prevent false
negative out-of-space events
- Fix sleeping lock acquisition from CXL trace event (atomic context)
- Fix put_device() like for the new CXL PMU driver
- Fix wrong pointer freed on error path
- Fixup several lockdep reports (missing lock hold) from new assertion
in cxl_num_decoders_committed() and new tests
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Merge tag 'cxl-fixes-6.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull CXL (Compute Express Link) fixes from Dan Williams:
"A collection of CXL fixes.
The touch outside of drivers/cxl/ is for a helper that allocates
physical address space. Device hotplug tests showed that the driver
failed to utilize (skipped over) valid capacity when allocating a new
memory region. Outside of that, new tests uncovered a small crop of
lockdep reports.
There is also some miscellaneous error path and leak fixups that are
not urgent, but useful to cleanup now.
- Fix alloc_free_mem_region()'s scan for address space, prevent false
negative out-of-space events
- Fix sleeping lock acquisition from CXL trace event (atomic context)
- Fix put_device() like for the new CXL PMU driver
- Fix wrong pointer freed on error path
- Fixup several lockdep reports (missing lock hold) from new
assertion in cxl_num_decoders_committed() and new tests"
* tag 'cxl-fixes-6.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
cxl/pmu: Ensure put_device on pmu devices
cxl/cdat: Free correct buffer on checksum error
cxl/hdm: Fix dpa translation locking
kernel/resource: Increment by align value in get_free_mem_region()
cxl: Add cxl_num_decoders_committed() usage to cxl_test
cxl/memdev: Hold region_rwsem during inject and clear poison ops
cxl/core: Always hold region_rwsem while reading poison lists
cxl/hdm: Fix a benign lockdep splat
properly
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Merge tag 'edac_urgent_for_v6.7_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC fix from Borislav Petkov:
- A single fix for the EDAC Versal driver to read out register fields
properly
* tag 'edac_urgent_for_v6.7_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/versal: Read num_csrows and num_chans using the correct bitfield macro
- Fix a bug where heavy VAS (accelerator) usage could race with partition
migration and prevent the migration from completing.
- Update MAINTAINERS to add Aneesh & Naveen.
Thanks to: Haren Myneni
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Merge tag 'powerpc-6.7-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix a bug where heavy VAS (accelerator) usage could race with
partition migration and prevent the migration from completing.
- Update MAINTAINERS to add Aneesh & Naveen.
Thanks to Haren Myneni.
* tag 'powerpc-6.7-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
MAINTAINERS: powerpc: Add Aneesh & Naveen
powerpc/pseries/vas: Migration suspend waits for no in-progress open windows
- Fix a clk name, clk parent, and a register for a clk gate in the
Rockchip rk3128 clk driver
- Add a PLL frequency on Rockchip rk3568 to fix some display artifacts
- Fix a kbuild dependency for Qualcomm's SM_CAMCC_8550 symbol so that
it isn't possible to select the associated GCC driver
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"A handful of clk fixes, mostly in the rockchip clk driver:
- Fix a clk name, clk parent, and a register for a clk gate in the
Rockchip rk3128 clk driver
- Add a PLL frequency on Rockchip rk3568 to fix some display
artifacts
- Fix a kbuild dependency for Qualcomm's SM_CAMCC_8550 symbol so that
it isn't possible to select the associated GCC driver"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: rockchip: rk3128: Fix SCLK_SDMMC's clock name
clk: rockchip: rk3128: Fix aclk_peri_src's parent
clk: qcom: Fix SM_CAMCC_8550 dependencies
clk: rockchip: rk3128: Fix HCLK_OTG gate register
clk: rockchip: rk3568: Add PLL rate for 292.5MHz
- Fix eventfs to check creating new files for events with names greater than
NAME_MAX. The eventfs lookup needs to check the return result of
simple_lookup().
- Fix the ring buffer to check the proper max data size. Events must be able to
fit on the ring buffer sub-buffer, if it cannot, then it fails to be written
and the logic to add the event is avoided. The code to check if an event can
fit failed to add the possible absolute timestamp which may make the event
not be able to fit. This causes the ring buffer to go into an infinite loop
trying to find a sub-buffer that would fit the event. Luckily, there's a check
that will bail out if it looped over a 1000 times and it also warns.
The real fix is not to add the absolute timestamp to an event that is
starting at the beginning of a sub-buffer because it uses the sub-buffer
timestamp. By avoiding the timestamp at the start of the sub-buffer allows
events that pass the first check to always find a sub-buffer that it can fit
on.
- Have large events that do not fit on a trace_seq to print "LINE TOO BIG" like
it does for the trace_pipe instead of what it does now which is to silently
drop the output.
- Fix a memory leak of forgetting to free the spare page that is saved by a
trace instance.
- Update the size of the snapshot buffer when the main buffer is updated if the
snapshot buffer is allocated.
- Fix ring buffer timestamp logic by removing all the places that tried to put
the before_stamp back to the write stamp so that the next event doesn't add
an absolute timestamp. But each of these updates added a race where by making
the two timestamp equal, it was validating the write_stamp so that it can be
incorrectly used for calculating the delta of an event.
- There's a temp buffer used for printing the event that was using the event
data size for allocation when it needed to use the size of the entire event
(meta-data and payload data)
- For hardening, use "%.*s" for printing the trace_marker output, to limit the
amount that is printed by the size of the event. This was discovered by
development that added a bug that truncated the '\0' and caused a crash.
- Fix a use-after-free bug in the use of the histogram files when an instance
is being removed.
- Remove a useless update in the rb_try_to_discard of the write_stamp. The
before_stamp was already changed to force the next event to add an absolute
timestamp that the write_stamp is not used. But the write_stamp is modified
again using an unneeded 64-bit cmpxchg.
- Fix several races in the 32-bit implementation of the rb_time_cmpxchg() that
does a 64-bit cmpxchg.
- While looking at fixing the 64-bit cmpxchg, I noticed that because the ring
buffer uses normal cmpxchg, and this can be done in NMI context, there's some
architectures that do not have a working cmpxchg in NMI context. For these
architectures, fail recording events that happen in NMI context.
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Merge tag 'trace-v6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
- Fix eventfs to check creating new files for events with names greater
than NAME_MAX. The eventfs lookup needs to check the return result of
simple_lookup().
- Fix the ring buffer to check the proper max data size. Events must be
able to fit on the ring buffer sub-buffer, if it cannot, then it
fails to be written and the logic to add the event is avoided. The
code to check if an event can fit failed to add the possible absolute
timestamp which may make the event not be able to fit. This causes
the ring buffer to go into an infinite loop trying to find a
sub-buffer that would fit the event. Luckily, there's a check that
will bail out if it looped over a 1000 times and it also warns.
The real fix is not to add the absolute timestamp to an event that is
starting at the beginning of a sub-buffer because it uses the
sub-buffer timestamp.
By avoiding the timestamp at the start of the sub-buffer allows
events that pass the first check to always find a sub-buffer that it
can fit on.
- Have large events that do not fit on a trace_seq to print "LINE TOO
BIG" like it does for the trace_pipe instead of what it does now
which is to silently drop the output.
- Fix a memory leak of forgetting to free the spare page that is saved
by a trace instance.
- Update the size of the snapshot buffer when the main buffer is
updated if the snapshot buffer is allocated.
- Fix ring buffer timestamp logic by removing all the places that tried
to put the before_stamp back to the write stamp so that the next
event doesn't add an absolute timestamp. But each of these updates
added a race where by making the two timestamp equal, it was
validating the write_stamp so that it can be incorrectly used for
calculating the delta of an event.
- There's a temp buffer used for printing the event that was using the
event data size for allocation when it needed to use the size of the
entire event (meta-data and payload data)
- For hardening, use "%.*s" for printing the trace_marker output, to
limit the amount that is printed by the size of the event. This was
discovered by development that added a bug that truncated the '\0'
and caused a crash.
- Fix a use-after-free bug in the use of the histogram files when an
instance is being removed.
- Remove a useless update in the rb_try_to_discard of the write_stamp.
The before_stamp was already changed to force the next event to add
an absolute timestamp that the write_stamp is not used. But the
write_stamp is modified again using an unneeded 64-bit cmpxchg.
- Fix several races in the 32-bit implementation of the
rb_time_cmpxchg() that does a 64-bit cmpxchg.
- While looking at fixing the 64-bit cmpxchg, I noticed that because
the ring buffer uses normal cmpxchg, and this can be done in NMI
context, there's some architectures that do not have a working
cmpxchg in NMI context. For these architectures, fail recording
events that happen in NMI context.
* tag 'trace-v6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
ring-buffer: Do not record in NMI if the arch does not support cmpxchg in NMI
ring-buffer: Have rb_time_cmpxchg() set the msb counter too
ring-buffer: Fix 32-bit rb_time_read() race with rb_time_cmpxchg()
ring-buffer: Fix a race in rb_time_cmpxchg() for 32 bit archs
ring-buffer: Remove useless update to write_stamp in rb_try_to_discard()
ring-buffer: Do not try to put back write_stamp
tracing: Fix uaf issue when open the hist or hist_debug file
tracing: Add size check when printing trace_marker output
ring-buffer: Have saved event hold the entire event
ring-buffer: Do not update before stamp when switching sub-buffers
tracing: Update snapshot buffer on resize if it is allocated
ring-buffer: Fix memory leak of free page
eventfs: Fix events beyond NAME_MAX blocking tasks
tracing: Have large events show up as '[LINE TOO BIG]' instead of nothing
ring-buffer: Fix writing to the buffer with max_data_size
- Arm CMN perf: fix the DTC allocation failure path which can end up
erroneously clearing live counters
- arm64/mm: fix hugetlb handling of the dirty page state leading to a
continuous fault loop in user on hardware without dirty bit management
(DBM). That's caused by the dirty+writeable information not being
properly preserved across a series of mprotect(PROT_NONE),
mprotect(PROT_READ|PROT_WRITE)
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Arm CMN perf: fix the DTC allocation failure path which can end up
erroneously clearing live counters
- arm64/mm: fix hugetlb handling of the dirty page state leading to a
continuous fault loop in user on hardware without dirty bit
management (DBM). That's caused by the dirty+writeable information
not being properly preserved across a series of mprotect(PROT_NONE),
mprotect(PROT_READ|PROT_WRITE)
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: mm: Always make sw-dirty PTEs hw-dirty in pte_modify
perf/arm-cmn: Fail DTC counter allocation correctly
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Merge tag 'pci-v6.7-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci fixes from Bjorn Helgaas:
- Limit Max_Read_Request_Size (MRRS) on some MIPS Loongson systems
because they don't all support MRRS > 256, and firmware doesn't
always initialize it correctly, which meant some PCIe devices didn't
work (Jiaxun Yang)
- Add and use pci_enable_link_state_locked() to prevent potential
deadlocks in vmd and qcom drivers (Johan Hovold)
- Revert recent (v6.5) acpiphp resource assignment changes that fixed
issues with hot-adding devices on a root bus or with large BARs, but
introduced new issues with GPU initialization and hot-adding SCSI
disks in QEMU VMs and (Bjorn Helgaas)
* tag 'pci-v6.7-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
Revert "PCI: acpiphp: Reassign resources on bridge if necessary"
PCI/ASPM: Add pci_disable_link_state_locked() lockdep assert
PCI/ASPM: Clean up __pci_disable_link_state() 'sem' parameter
PCI: qcom: Clean up ASPM comment
PCI: qcom: Fix potential deadlock when enabling ASPM
PCI: vmd: Fix potential deadlock when enabling ASPM
PCI/ASPM: Add pci_enable_link_state_locked()
PCI: loongson: Limit MRRS to 256
Our btrfs subvolume snapshot <source> <destination> utility enforces
that <source> is the root of the subvolume, however this isn't enforced
in the kernel. Update the kernel to also enforce this limitation to
avoid problems with other users of this ioctl that don't have the
appropriate checks in place.
Reported-by: Martin Michaelis <code@mgjm.de>
CC: stable@vger.kernel.org # 4.14+
Reviewed-by: Neal Gompa <neal@gompa.dev>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This code is rarely (never?) enabled by distros, and it hasn't caught
anything in decades. Let's kill off this legacy debug code.
Suggested-by: Linus Torvalds <torvalds@linuxfoundation.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
There are multiple ways to grab references to credentials, and the only
protection we have against overflowing it is the memory required to do
so.
With memory sizes only moving in one direction, let's bump the reference
count to 64-bit and move it outside the realm of feasibly overflowing.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This reverts commit 40613da52b and the
subsequent fix to it:
cc22522fd5 ("PCI: acpiphp: Use pci_assign_unassigned_bridge_resources() only for non-root bus")
40613da52b fixed a problem where hot-adding a device with large BARs
failed if the bridge windows programmed by firmware were not large enough.
cc22522fd5 ("PCI: acpiphp: Use pci_assign_unassigned_bridge_resources()
only for non-root bus") fixed a problem with 40613da52b: an ACPI hot-add
of a device on a PCI root bus (common in the virt world) or firmware
sending ACPI Bus Check to non-existent Root Ports (e.g., on Dell Inspiron
7352/0W6WV0) caused a NULL pointer dereference and suspend/resume hangs.
Unfortunately the combination of 40613da52b and cc22522fd5 caused other
problems:
- Fiona reported that hot-add of SCSI disks in QEMU virtual machine fails
sometimes.
- Dongli reported a similar problem with hot-add of SCSI disks.
- Jonathan reported a console freeze during boot on bare metal due to an
error in radeon GPU initialization.
Revert both patches to avoid adding these problems. This means we will
again see the problems with hot-adding devices with large BARs and the NULL
pointer dereferences and suspend/resume issues that 40613da52b and
cc22522fd5 were intended to fix.
Fixes: 40613da52b ("PCI: acpiphp: Reassign resources on bridge if necessary")
Fixes: cc22522fd5 ("PCI: acpiphp: Use pci_assign_unassigned_bridge_resources() only for non-root bus")
Reported-by: Fiona Ebner <f.ebner@proxmox.com>
Closes: https://lore.kernel.org/r/9eb669c0-d8f2-431d-a700-6da13053ae54@proxmox.com
Reported-by: Dongli Zhang <dongli.zhang@oracle.com>
Closes: https://lore.kernel.org/r/3c4a446a-b167-11b8-f36f-d3c1b49b42e9@oracle.com
Reported-by: Jonathan Woithe <jwoithe@just42.net>
Closes: https://lore.kernel.org/r/ZXpaNCLiDM+Kv38H@marvin.atrad.com.au
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Igor Mammedov <imammedo@redhat.com>
Cc: <stable@vger.kernel.org>
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Merge tag 'io_uring-6.7-2023-12-15' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
"Just two minor fixes:
- Fix for the io_uring socket option commands using the wrong value
on some archs (Al)
- Tweak to the poll lazy wake enable (me)"
* tag 'io_uring-6.7-2023-12-15' of git://git.kernel.dk/linux:
io_uring/cmd: fix breakage in SOCKET_URING_OP_SIOC* implementation
io_uring/poll: don't enable lazy wake for POLLEXCLUSIVE
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Merge tag 'mm-hotfixes-stable-2023-12-15-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"17 hotfixes. 8 are cc:stable and the other 9 pertain to post-6.6
issues"
* tag 'mm-hotfixes-stable-2023-12-15-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm/mglru: reclaim offlined memcgs harder
mm/mglru: respect min_ttl_ms with memcgs
mm/mglru: try to stop at high watermarks
mm/mglru: fix underprotected page cache
mm/shmem: fix race in shmem_undo_range w/THP
Revert "selftests: error out if kernel header files are not yet built"
crash_core: fix the check for whether crashkernel is from high memory
x86, kexec: fix the wrong ifdeffery CONFIG_KEXEC
sh, kexec: fix the incorrect ifdeffery and dependency of CONFIG_KEXEC
mips, kexec: fix the incorrect ifdeffery and dependency of CONFIG_KEXEC
m68k, kexec: fix the incorrect ifdeffery and build dependency of CONFIG_KEXEC
loongarch, kexec: change dependency of object files
mm/damon/core: make damon_start() waits until kdamond_fn() starts
selftests/mm: cow: print ksft header before printing anything else
mm: fix VMA heap bounds checking
riscv: fix VMALLOC_START definition
kexec: drop dependency on ARCH_SUPPORTS_KEXEC from CRASH_DUMP
A collection of HD-audio quirks for TAS2781 codec and device-specific
workarounds.
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Merge tag 'sound-6.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of HD-audio quirks for TAS2781 codec and device-specific
workarounds"
* tag 'sound-6.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/tas2781: reset the amp before component_add
ALSA: hda/tas2781: call cleanup functions only once
ALSA: hda/tas2781: handle missing EFI calibration data
ALSA: hda/tas2781: leave hda_component in usable state
ALSA: hda/realtek: Apply mute LED quirk for HP15-db
ALSA: hda/hdmi: add force-connect quirks for ASUSTeK Z170 variants
ALSA: hda/hdmi: add force-connect quirk for NUC5CPYB
drm:
- fix uninit problems in crtc
- fix fd ownership check
- edid: add modes in fallback paths
panel:
- move LG panel into DSI yaml
- ltk050h3146w: set burst mode
mediatek:
- mtk_disp_gamma: Fix breakage due to merge issue
- fix kernel oops if no crtc is found
- Add spinlock for setting vblank event in atomic_begin
- Fix access violation in mtk_drm_crtc_dma_dev_get
i915:
- Fix selftest engine reset count storage for multi-tile
- Fix out-of-bounds reads for engine reset counts
- Fix ADL+ remapped stride with CCS
- Fix intel_atomic_setup_scalers() plane_state handling
- Fix ADL+ tiled plane stride when the POT stride is smaller than the original
- Fix eDP 1.4 rate select method link configuration
amdgpu:
- Fix suspend fix that got accidently mangled last week
- Fix OD regression
- PSR fixes
- OLED Backlight regression fix
- JPEG 4.0.5 fix
- Misc display fixes
- SDMA 5.2 fix
- SDMA 2.4 regression fix
- GPUVM race fix
nouveau:
- fix gk20a instobj hierarchy
- fix headless iors inheritance regression
ivpu:
- fix WA initialisation
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Merge tag 'drm-fixes-2023-12-15' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"More regular fixes, amdgpu, i915, mediatek and nouveau are most of
them this week. Nothing too major, then a few misc bits and pieces in
core, panel and ivpu.
drm:
- fix uninit problems in crtc
- fix fd ownership check
- edid: add modes in fallback paths
panel:
- move LG panel into DSI yaml
- ltk050h3146w: set burst mode
mediatek:
- mtk_disp_gamma: Fix breakage due to merge issue
- fix kernel oops if no crtc is found
- Add spinlock for setting vblank event in atomic_begin
- Fix access violation in mtk_drm_crtc_dma_dev_get
i915:
- Fix selftest engine reset count storage for multi-tile
- Fix out-of-bounds reads for engine reset counts
- Fix ADL+ remapped stride with CCS
- Fix intel_atomic_setup_scalers() plane_state handling
- Fix ADL+ tiled plane stride when the POT stride is smaller than the original
- Fix eDP 1.4 rate select method link configuration
amdgpu:
- Fix suspend fix that got accidently mangled last week
- Fix OD regression
- PSR fixes
- OLED Backlight regression fix
- JPEG 4.0.5 fix
- Misc display fixes
- SDMA 5.2 fix
- SDMA 2.4 regression fix
- GPUVM race fix
nouveau:
- fix gk20a instobj hierarchy
- fix headless iors inheritance regression
ivpu:
- fix WA initialisation"
* tag 'drm-fixes-2023-12-15' of git://anongit.freedesktop.org/drm/drm: (31 commits)
drm/nouveau/kms/nv50-: Don't allow inheritance of headless iors
drm/nouveau: Fixup gk20a instobj hierarchy
drm/amdgpu: warn when there are still mappings when a BO is destroyed v2
drm/amdgpu: fix tear down order in amdgpu_vm_pt_free
drm/amd: Fix a probing order problem on SDMA 2.4
drm/amdgpu/sdma5.2: add begin/end_use ring callbacks
drm/panel: ltk050h3146w: Set burst mode for ltk050h3148w
dt-bindings: panel-simple-dsi: move LG 5" HD TFT LCD panel into DSI yaml
drm/amd/display: Disable PSR-SU on Parade 0803 TCON again
drm/amd/display: Populate dtbclk from bounding box
drm/amd/display: Revert "Fix conversions between bytes and KB"
drm/amdgpu/jpeg: configure doorbell for each playback
drm/amd/display: Restore guard against default backlight value < 1 nit
drm/amd/display: fix hw rotated modes when PSR-SU is enabled
drm/amd/pm: fix pp_*clk_od typo
drm/amdgpu: fix buffer funcs setting order on suspend harder
drm/mediatek: Fix access violation in mtk_drm_crtc_dma_dev_get
drm/edid: also call add modes in EDID connector update fallback
drm/i915/edp: don't write to DP_LINK_BW_SET when using rate select
drm/i915: Fix ADL+ tiled plane stride when the POT stride is smaller than the original
...
As the ring buffer recording requires cmpxchg() to work, if the
architecture does not support cmpxchg in NMI, then do not do any recording
within an NMI.
Link: https://lore.kernel.org/linux-trace-kernel/20231213175403.6fc18540@gandalf.local.home
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
The rb_time_cmpxchg() on 32-bit architectures requires setting three
32-bit words to represent the 64-bit timestamp, with some salt for
synchronization. Those are: msb, top, and bottom
The issue is, the rb_time_cmpxchg() did not properly salt the msb portion,
and the msb that was written was stale.
Link: https://lore.kernel.org/linux-trace-kernel/20231215084114.20899342@rorschach.local.home
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>
Fixes: f03f2abce4 ("ring-buffer: Have 32 bit time stamps use all 64 bits")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
The following race can cause rb_time_read() to observe a corrupted time
stamp:
rb_time_cmpxchg()
[...]
if (!rb_time_read_cmpxchg(&t->msb, msb, msb2))
return false;
if (!rb_time_read_cmpxchg(&t->top, top, top2))
return false;
<interrupted before updating bottom>
__rb_time_read()
[...]
do {
c = local_read(&t->cnt);
top = local_read(&t->top);
bottom = local_read(&t->bottom);
msb = local_read(&t->msb);
} while (c != local_read(&t->cnt));
*cnt = rb_time_cnt(top);
/* If top and msb counts don't match, this interrupted a write */
if (*cnt != rb_time_cnt(msb))
return false;
^ this check fails to catch that "bottom" is still not updated.
So the old "bottom" value is returned, which is wrong.
Fix this by checking that all three of msb, top, and bottom 2-bit cnt
values match.
The reason to favor checking all three fields over requiring a specific
update order for both rb_time_set() and rb_time_cmpxchg() is because
checking all three fields is more robust to handle partial failures of
rb_time_cmpxchg() when interrupted by nested rb_time_set().
Link: https://lore.kernel.org/lkml/20231211201324.652870-1-mathieu.desnoyers@efficios.com/
Link: https://lore.kernel.org/linux-trace-kernel/20231212193049.680122-1-mathieu.desnoyers@efficios.com
Fixes: f458a14534 ("ring-buffer: Test last update in 32bit version of __rb_time_read()")
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Mathieu Desnoyers pointed out an issue in the rb_time_cmpxchg() for 32 bit
architectures. That is:
static bool rb_time_cmpxchg(rb_time_t *t, u64 expect, u64 set)
{
unsigned long cnt, top, bottom, msb;
unsigned long cnt2, top2, bottom2, msb2;
u64 val;
/* The cmpxchg always fails if it interrupted an update */
if (!__rb_time_read(t, &val, &cnt2))
return false;
if (val != expect)
return false;
<<<< interrupted here!
cnt = local_read(&t->cnt);
The problem is that the synchronization counter in the rb_time_t is read
*after* the value of the timestamp is read. That means if an interrupt
were to come in between the value being read and the counter being read,
it can change the value and the counter and the interrupted process would
be clueless about it!
The counter needs to be read first and then the value. That way it is easy
to tell if the value is stale or not. If the counter hasn't been updated,
then the value is still good.
Link: https://lore.kernel.org/linux-trace-kernel/20231211201324.652870-1-mathieu.desnoyers@efficios.com/
Link: https://lore.kernel.org/linux-trace-kernel/20231212115301.7a9c9a64@gandalf.local.home
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Fixes: 10464b4aa6 ("ring-buffer: Add rb_time_t 64 bit operations for speeding up 32 bit")
Reported-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
When filtering is enabled, a temporary buffer is created to place the
content of the trace event output so that the filter logic can decide
from the trace event output if the trace event should be filtered out or
not. If it is to be filtered out, the content in the temporary buffer is
simply discarded, otherwise it is written into the trace buffer.
But if an interrupt were to come in while a previous event was using that
temporary buffer, the event written by the interrupt would actually go
into the ring buffer itself to prevent corrupting the data on the
temporary buffer. If the event is to be filtered out, the event in the
ring buffer is discarded, or if it fails to discard because another event
were to have already come in, it is turned into padding.
The update to the write_stamp in the rb_try_to_discard() happens after a
fix was made to force the next event after the discard to use an absolute
timestamp by setting the before_stamp to zero so it does not match the
write_stamp (which causes an event to use the absolute timestamp).
But there's an effort in rb_try_to_discard() to put back the write_stamp
to what it was before the event was added. But this is useless and
wasteful because nothing is going to be using that write_stamp for
calculations as it still will not match the before_stamp.
Remove this useless update, and in doing so, we remove another
cmpxchg64()!
Also update the comments to reflect this change as well as remove some
extra white space in another comment.
Link: https://lore.kernel.org/linux-trace-kernel/20231215081810.1f4f38fe@rorschach.local.home
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Joel Fernandes <joel@joelfernandes.org>
Cc: Vincent Donnefort <vdonnefort@google.com>
Fixes: b2dd797543 ("ring-buffer: Force absolute timestamp on discard of event")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
If an update to an event is interrupted by another event between the time
the initial event allocated its buffer and where it wrote to the
write_stamp, the code try to reset the write stamp back to the what it had
just overwritten. It knows that it was overwritten via checking the
before_stamp, and if it didn't match what it wrote to the before_stamp
before it allocated its space, it knows it was overwritten.
To put back the write_stamp, it uses the before_stamp it read. The problem
here is that by writing the before_stamp to the write_stamp it makes the
two equal again, which means that the write_stamp can be considered valid
as the last timestamp written to the ring buffer. But this is not
necessarily true. The event that interrupted the event could have been
interrupted in a way that it was interrupted as well, and can end up
leaving with an invalid write_stamp. But if this happens and returns to
this context that uses the before_stamp to update the write_stamp again,
it can possibly incorrectly make it valid, causing later events to have in
correct time stamps.
As it is OK to leave this function with an invalid write_stamp (one that
doesn't match the before_stamp), there's no reason to try to make it valid
again in this case. If this race happens, then just leave with the invalid
write_stamp and the next event to come along will just add a absolute
timestamp and validate everything again.
Bonus points: This gets rid of another cmpxchg64!
Link: https://lore.kernel.org/linux-trace-kernel/20231214222921.193037a7@gandalf.local.home
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: Joel Fernandes <joel@joelfernandes.org>
Cc: Vincent Donnefort <vdonnefort@google.com>
Fixes: a389d86f7f ("ring-buffer: Have nested events still record running time stamp")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
When lockdep is enabled, the for_each_sibling_event(sibling, event)
macro checks that event->ctx->mutex is held. When creating a new group
leader event, we call perf_event_validate_size() on a partially
initialized event where event->ctx is NULL, and so when
for_each_sibling_event() attempts to check event->ctx->mutex, we get a
splat, as reported by Lucas De Marchi:
WARNING: CPU: 8 PID: 1471 at kernel/events/core.c:1950 __do_sys_perf_event_open+0xf37/0x1080
This only happens for a new event which is its own group_leader, and in
this case there cannot be any sibling events. Thus it's safe to skip the
check for siblings, which avoids having to make invasive and ugly
changes to for_each_sibling_event().
Avoid the splat by bailing out early when the new event is its own
group_leader.
Fixes: 382c27f4ed ("perf: Fix perf_event_validate_size()")
Closes: https://lore.kernel.org/lkml/20231214000620.3081018-1-lucas.demarchi@intel.com/
Closes: https://lore.kernel.org/lkml/ZXpm6gQ%2Fd59jGsuW@xpf.sh.intel.com/
Reported-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reported-by: Pengfei Xu <pengfei.xu@intel.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20231215112450.3972309-1-mark.rutland@arm.com
Turns out we made a silly mistake when coming up with OR inheritance on
nouveau. On pre-DCB 4.1, iors are statically routed to output paths via the
DCB. On later generations iors are only routed to an output path if they're
actually being used. Unfortunately, it appears with NVIF_OUTP_INHERIT_V0 we
make the mistake of assuming the later is true on all generations, which is
currently leading us to return bogus ior -> head assignments through nvif,
which causes WARN_ON().
So - fix this by verifying that we actually know that there's a head
assigned to an ior before allowing it to be inherited through nvif. This
-should- hopefully fix the WARN_ON on GT218 reported by Borislav.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Reported-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231214004359.1028109-1-lyude@redhat.com
Commit 12c9b05da9 ("drm/nouveau/imem: support allocations not
preserved across suspend") uses container_of() to cast from struct
nvkm_memory to struct nvkm_instobj, assuming that all instance objects
are derived from struct nvkm_instobj. For the gk20a family that's not
the case and they are derived from struct nvkm_memory instead. This
causes some subtle data corruption (nvkm_instobj.preserve ends up
mapping to gk20a_instobj.vaddr) that causes a NULL pointer dereference
in gk20a_instobj_acquire_iommu() (and possibly elsewhere) and also
prevents suspend/resume from working.
Fix this by making struct gk20a_instobj derive from struct nvkm_instobj
instead.
Fixes: 12c9b05da9 ("drm/nouveau/imem: support allocations not preserved across suspend")
Reported-by: Jonathan Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231208104653.1917055-1-thierry.reding@gmail.com
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Merge tag '6.7-rc5-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
"Address OOBs and NULL dereference found by Dr. Morris's recent
analysis and fuzzing.
All marked for stable as well"
* tag '6.7-rc5-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb: client: fix OOB in smb2_query_reparse_point()
smb: client: fix NULL deref in asn1_ber_decoder()
smb: client: fix potential OOBs in smb2_parse_contexts()
smb: client: fix OOB in receive_encrypted_standard()
drm/i915 fixes for v6.7-rc6:
- Fix selftest engine reset count storage for multi-tile
- Fix out-of-bounds reads for engine reset counts
- Fix ADL+ remapped stride with CCS
- Fix intel_atomic_setup_scalers() plane_state handling
- Fix ADL+ tiled plane stride when the POT stride is smaller than the original
- Fix eDP 1.4 rate select method link configuration
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/871qbqw4rw.fsf@intel.com
In 8e9fad0e70 "io_uring: Add io_uring command support for sockets"
you've got an include of asm-generic/ioctls.h done in io_uring/uring_cmd.c.
That had been done for the sake of this chunk -
+ ret = prot->ioctl(sk, SIOCINQ, &arg);
+ if (ret)
+ return ret;
+ return arg;
+ case SOCKET_URING_OP_SIOCOUTQ:
+ ret = prot->ioctl(sk, SIOCOUTQ, &arg);
SIOC{IN,OUT}Q are defined to symbols (FIONREAD and TIOCOUTQ) that come from
ioctls.h, all right, but the values vary by the architecture.
FIONREAD is
0x467F on mips
0x4004667F on alpha, powerpc and sparc
0x8004667F on sh and xtensa
0x541B everywhere else
TIOCOUTQ is
0x7472 on mips
0x40047473 on alpha, powerpc and sparc
0x80047473 on sh and xtensa
0x5411 everywhere else
->ioctl() expects the same values it would've gotten from userland; all
places where we compare with SIOC{IN,OUT}Q are using asm/ioctls.h, so
they pick the correct values. io_uring_cmd_sock(), OTOH, ends up
passing the default ones.
Fixes: 8e9fad0e70 ("io_uring: Add io_uring command support for sockets")
Cc: <stable@vger.kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Link: https://lore.kernel.org/r/20231214213408.GT1674809@ZenIV
Signed-off-by: Jens Axboe <axboe@kernel.dk>
It's hard to distinguish the default cycles events among hybrid PMUs.
For example,
$ perf top
Available samples
385 cycles:P
903 cycles:P
The other tool, e.g., perf record, uniforms the event name and adds the
hybrid PMU name before opening the event. So the events can be easily
distinguished. Apply the same methodology for the perf top as well.
The evlist__uniquify_name() will be invoked by both record and top.
Move it to util/evlist.c
With the patch:
$ perf top
Available samples
148 cpu_atom/cycles:P/
1K cpu_core/cycles:P/
Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Hector Martin <marcan@marcan.st>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20231214144612.1092028-2-kan.liang@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
perf top errors out on a hybrid machine
$perf top
Error:
The cycles:P event is not supported.
The perf top expects that the "cycles" is collected on all CPUs in the
system. But for hybrid there is no single "cycles" event which can cover
all CPUs. Perf has to split it into two cycles events, e.g.,
cpu_core/cycles/ and cpu_atom/cycles/. Each event has its own CPU mask.
If a event is opened on the unsupported CPU. The open fails. That's the
reason of the above error out.
Perf should only open the cycles event on the corresponding CPU. The
commit ef91871c96 ("perf evlist: Propagate user CPU maps intersecting
core PMU maps") intersect the requested CPU map with the CPU map of the
PMU. Use the evsel's cpus to replace user_requested_cpus.
The evlist's threads are also propagated to the evsel's threads in
__perf_evlist__propagate_maps(). For a system-wide event, perf appends
a dummy event and assign it to the evsel's threads. For a per-thread
event, the evlist's thread_map is assigned to the evsel's threads. The
same as the other tools, e.g., perf record, using the evsel's threads
when opening an event.
Reported-by: Arnaldo Carvalho de Melo <acme@kernel.org>
Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Hector Martin <marcan@marcan.st>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Closes: https://lore.kernel.org/linux-perf-users/ZXNnDrGKXbEELMXV@kernel.org/
Link: https://lore.kernel.org/r/20231214144612.1092028-1-kan.liang@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The base address of a DSO mapping should start at the start of the file.
Usually DSOs are mapped from the pgoff 0 so it doesn't matter when it
uses the start of the map address.
But generated DSOs for JIT codes doesn't start from the 0 so it should
subtract the offset to calculate the .eh_frame table offsets correctly.
Fixes: dc2cf4ca86 ("perf unwind: Fix segbase for ld.lld linked objects")
Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Fangrui Song <maskray@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Milian Wolff <milian.wolff@kdab.com>
Cc: Pablo Galindo <pablogsal@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20231212070547.612536-4-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Usually DSOs are mapped from the beginning of the file, so the base
address of the DSO can be calculated by map->start - map->pgoff.
However, JIT DSOs which are generated by `perf inject -j`, are mapped
only the code segment. This makes unwind-libdw code confusing and
rejects processing unwinds in the JIT DSOs. It should use the map
start address as base for them to fix the confusion.
Fixes: 1fe627da30 ("perf unwind: Take pgoff into account when reporting elf to libdwfl")
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Fangrui Song <maskray@google.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Milian Wolff <milian.wolff@kdab.com>
Cc: Pablo Galindo <pablogsal@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20231212070547.612536-3-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The text section starts after the ELF headers so PHDR.p_vaddr and
others should have the correct addresses.
Fixes: babd04386b ("perf jit: Include program header in ELF files")
Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Fangrui Song <maskray@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Lieven Hey <lieven.hey@kdab.com>
Cc: Milian Wolff <milian.wolff@kdab.com>
Cc: Pablo Galindo <pablogsal@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20231212070547.612536-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The -A or --no-aggr option disables aggregation of core events:
$ perf stat -A -e cycles,data_total -a true
Performance counter stats for 'system wide':
CPU0 1,287,665 cycles
CPU1 1,831,681 cycles
CPU2 27,345,998 cycles
CPU3 1,964,799 cycles
CPU4 236,174 cycles
CPU5 3,302,825 cycles
CPU6 9,201,446 cycles
CPU7 1,403,043 cycles
CPU0 110.90 MiB data_total
0.008961761 seconds time elapsed
The --no-merge option disables the aggregation of uncore events:
$ perf stat --no-merge -e cycles,data_total -a true
Performance counter stats for 'system wide':
38,482,778 cycles
15.04 MiB data_total [uncore_imc_free_running_1]
15.00 MiB data_total [uncore_imc_free_running_0]
0.005915155 seconds time elapsed
Having two options confuses users who generally don't appreciate the
difference in PMUs. Keep all the options but make it so they all
disable aggregation both of core and uncore events:
$ perf stat -A -e cycles,data_total -a true
Performance counter stats for 'system wide':
CPU0 85,878 cycles
CPU1 88,179 cycles
CPU2 60,872 cycles
CPU3 3,265,567 cycles
CPU4 82,357 cycles
CPU5 83,383 cycles
CPU6 84,156 cycles
CPU7 220,803 cycles
CPU0 2.38 MiB data_total [uncore_imc_free_running_0]
CPU0 2.38 MiB data_total [uncore_imc_free_running_1]
0.001397205 seconds time elapsed
Update the relevant 'perf stat' man page information.
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Changbin Du <changbin.du@huawei.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: K Prateek Nayak <kprateek.nayak@amd.com>
Cc: Kaige Ye <ye@kaige.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20231214060256.2094017-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
- tcp: fix tcp_disordered_ack() vs usec TS resolution
Current release - new code bugs:
- dpll: sanitize possible null pointer dereference in dpll_pin_parent_pin_set()
- eth: octeon_ep: initialise control mbox tasks before using APIs
Previous releases - regressions:
- io_uring/af_unix: disable sending io_uring over sockets
- eth: mlx5e:
- TC, don't offload post action rule if not supported
- fix possible deadlock on mlx5e_tx_timeout_work
- eth: iavf: fix iavf_shutdown to call iavf_remove instead iavf_close
- eth: bnxt_en: fix skb recycling logic in bnxt_deliver_skb()
- eth: ena: fix DMA syncing in XDP path when SWIOTLB is on
- eth: team: fix use-after-free when an option instance allocation fails
Previous releases - always broken:
- neighbour: don't let neigh_forced_gc() disable preemption for long
- net: prevent mss overflow in skb_segment()
- ipv6: support reporting otherwise unknown prefix flags in RTM_NEWPREFIX
- tcp: remove acked SYN flag from packet in the transmit queue correctly
- eth: octeontx2-af:
- fix a use-after-free in rvu_nix_register_reporters
- fix promisc mcam entry action
- eth: dwmac-loongson: make sure MDIO is initialized before use
- eth: atlantic: fix double free in ring reinit logic
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Current release - regressions:
- tcp: fix tcp_disordered_ack() vs usec TS resolution
Current release - new code bugs:
- dpll: sanitize possible null pointer dereference in
dpll_pin_parent_pin_set()
- eth: octeon_ep: initialise control mbox tasks before using APIs
Previous releases - regressions:
- io_uring/af_unix: disable sending io_uring over sockets
- eth: mlx5e:
- TC, don't offload post action rule if not supported
- fix possible deadlock on mlx5e_tx_timeout_work
- eth: iavf: fix iavf_shutdown to call iavf_remove instead iavf_close
- eth: bnxt_en: fix skb recycling logic in bnxt_deliver_skb()
- eth: ena: fix DMA syncing in XDP path when SWIOTLB is on
- eth: team: fix use-after-free when an option instance allocation
fails
Previous releases - always broken:
- neighbour: don't let neigh_forced_gc() disable preemption for long
- net: prevent mss overflow in skb_segment()
- ipv6: support reporting otherwise unknown prefix flags in
RTM_NEWPREFIX
- tcp: remove acked SYN flag from packet in the transmit queue
correctly
- eth: octeontx2-af:
- fix a use-after-free in rvu_nix_register_reporters
- fix promisc mcam entry action
- eth: dwmac-loongson: make sure MDIO is initialized before use
- eth: atlantic: fix double free in ring reinit logic"
* tag 'net-6.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (62 commits)
net: atlantic: fix double free in ring reinit logic
appletalk: Fix Use-After-Free in atalk_ioctl
net: stmmac: Handle disabled MDIO busses from devicetree
net: stmmac: dwmac-qcom-ethqos: Fix drops in 10M SGMII RX
dpaa2-switch: do not ask for MDB, VLAN and FDB replay
dpaa2-switch: fix size of the dma_unmap
net: prevent mss overflow in skb_segment()
vsock/virtio: Fix unsigned integer wrap around in virtio_transport_has_space()
Revert "tcp: disable tcp_autocorking for socket when TCP_NODELAY flag is set"
MIPS: dts: loongson: drop incorrect dwmac fallback compatible
stmmac: dwmac-loongson: drop useless check for compatible fallback
stmmac: dwmac-loongson: Make sure MDIO is initialized before use
tcp: disable tcp_autocorking for socket when TCP_NODELAY flag is set
dpll: sanitize possible null pointer dereference in dpll_pin_parent_pin_set()
net: ena: Fix XDP redirection error
net: ena: Fix DMA syncing in XDP path when SWIOTLB is on
net: ena: Fix xdp drops handling due to multibuf packets
net: ena: Destroy correct number of xdp queues upon failure
net: Remove acked SYN flag from packet in the transmit queue correctly
qed: Fix a potential use-after-free in qed_cxt_tables_alloc
...
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Merge tag 'for-6.7-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"Some fixes to quota accounting code, mostly around error handling and
correctness:
- free reserves on various error paths, after IO errors or
transaction abort
- don't clear reserved range at the folio release time, it'll be
properly cleared after final write
- fix integer overflow due to int used when passing around size of
freed reservations
- fix a regression in squota accounting that missed some cases with
delayed refs"
* tag 'for-6.7-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: ensure releasing squota reserve on head refs
btrfs: don't clear qgroup reserved bit in release_folio
btrfs: free qgroup pertrans reserve on transaction abort
btrfs: fix qgroup_free_reserved_data int overflow
btrfs: free qgroup reserve when ORDERED_IOERR is set
Driver has a logic leak in ring data allocation/free,
where double free may happen in aq_ring_free if system is under
stress and driver init/deinit is happening.
The probability is higher to get this during suspend/resume cycle.
Verification was done simulating same conditions with
stress -m 2000 --vm-bytes 20M --vm-hang 10 --backoff 1000
while true; do sudo ifconfig enp1s0 down; sudo ifconfig enp1s0 up; done
Fixed by explicitly clearing pointers to NULL on deallocation
Fixes: 018423e90b ("net: ethernet: aquantia: Add ring support code")
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Closes: https://lore.kernel.org/netdev/CAHk-=wiZZi7FcvqVSUirHBjx0bBUZ4dFrMDVLc3+3HCrtq0rBA@mail.gmail.com/
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Link: https://lore.kernel.org/r/20231213094044.22988-1-irusskikh@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Calling component_add starts loading the firmware, the callback function
writes the program to the amplifiers. If the module resets the
amplifiers after component_add, it happens that one of the amplifiers
does not work because the reset and program writing are interleaving.
Call tas2781_reset before component_add to ensure reliable
initialization.
Fixes: 5be27f1e3e ("ALSA: hda/tas2781: Add tas2781 HDA driver")
CC: stable@vger.kernel.org
Signed-off-by: Gergo Koteles <soyer@irl.hu>
Link: https://lore.kernel.org/r/4d23bf58558e23ee8097de01f70f1eb8d9de2d15.1702511246.git.soyer@irl.hu
Signed-off-by: Takashi Iwai <tiwai@suse.de>