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Merge tag 'pci-v6.3-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci fixes from Bjorn Helgaas:
- Provide pci_msix_can_alloc_dyn() stub when CONFIG_PCI_MSI unset to
avoid build errors (Reinette Chatre)
- Quirk AMD XHCI controller that loses MSI-X state in D3hot to avoid
broken USB after hotplug or suspend/resume (Basavaraj Natikar)
- Fix use-after-free in pci_bus_release_domain_nr() (Rob Herring)
* tag 'pci-v6.3-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
PCI: Fix use-after-free in pci_bus_release_domain_nr()
x86/PCI: Add quirk for AMD XHCI controller that loses MSI-X state in D3hot
PCI/MSI: Provide missing stub for pci_msix_can_alloc_dyn()
Like the ASUS ExpertBook B2502CBA and various ASUS Vivobook laptops, the
ASUS ExpertBook B1502CBA has an ACPI DSDT table that describes IRQ 1 as
ActiveLow while the kernel overrides it to Edge_High.
$ sudo dmesg | grep DMI
DMI: ASUSTeK COMPUTER INC. ASUS EXPERTBOOK B1502CBA_B1502CBA/B1502CBA, BIOS B1502CBA.300 01/18/2023
$ grep -A 40 PS2K dsdt.dsl | grep IRQ -A 1
IRQ (Level, ActiveLow, Exclusive, )
{1}
This prevents the keyboard from working. To fix this issue, add this laptop
to the skip_override_table so that the kernel does not override IRQ 1.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217323
Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
amd_pstate mode can be changed by writing the mode name to the `status`
sysfs. But some combinations are not working. Fix this issue by taking
care of the edge cases.
Before the fix the mode change combination test fails:
#./pst_test.sh
Test passed: from: disable, to
Test passed: from: disable, to disable
Test failed: 1, From mode: disable, to mode: passive
Test failed: 1, From mode: disable, to mode: active
Test failed: 1, From mode: passive, to mode: active
Test passed: from: passive, to disable
Test failed: 1, From mode: passive, to mode: passive
Test failed: 1, From mode: passive, to mode: active
Test failed: 1, From mode: active, to mode: active
Test passed: from: active, to disable
Test failed: 1, From mode: active, to mode: passive
Test failed: 1, From mode: active, to mode: active
After the fix test passes:
#./pst_test.sh
Test passed: from: disable, to
Test passed: from: disable, to disable
Test passed: from: disable, to passive
Test passed: from: disable, to active
Test passed: from: passive, to active
Test passed: from: passive, to disable
Test passed: from: passive, to passive
Test passed: from: passive, to active
Test passed: from: active, to active
Test passed: from: active, to disable
Test passed: from: active, to passive
Test passed: from: active, to active
Fixes: abd61c08ef ("cpufreq: amd-pstate: add driver working mode switch support")
Acked-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alexey Kardashevskiy <aik@amd.com>
Signed-off-by: Wyes Karny <wyes.karny@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Merge tag 'for-6.3-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- fix fast checksum detection, this affects filesystems with non-crc32c
checksum, calculation would not be offloaded to worker threads
- restore thread_pool mount option behaviour for endio workers, the new
value for maximum active threads would not be set to the actual work
queues
* tag 'for-6.3-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: fix fast csum implementation detection
btrfs: restore the thread_pool= behavior in remount for the end I/O workqueues
* mtdblock: Tolerate corrected bit-flips
Raw NAND fixes:
* meson: Fix bitmask for length in command word
* stm32_fmc2:
- Remove unsupported EDO mode
- Use timings.mode instead of checking tRC_min
The first patch is the real fix but nowadays we use timings.mode
instead of bare timings, so in order to ease the backports, the fix
was split into two steps, the first one easy to backport on older
kernels, the second one just as a follow-up so recent stable kernels
would look like the mainline.
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Merge tag 'mtd/fixes-for-6.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull mtd fixes from Miquel Raynal:
"Core fix:
- mtdblock: Tolerate corrected bit-flips
Raw NAND fixes:
- meson: Fix bitmask for length in command word
- stm32_fmc2:
- Remove unsupported EDO mode
- Use timings.mode instead of checking tRC_min.
The first patch is the real fix but nowadays we use
timings.mode instead of bare timings, so in order to ease the
backports, the fix was split into two steps, the first one easy
to backport on older kernels, the second one just as a
follow-up so recent stable kernels would look like the
mainline"
* tag 'mtd/fixes-for-6.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
mtd: rawnand: meson: fix bitmask for length in command word
mtdblock: tolerate corrected bit-flips
mtd: rawnand: stm32_fmc2: use timings.mode instead of checking tRC_min
mtd: rawnand: stm32_fmc2: remove unsupported EDO mode
* Update my email address in the MAINTAINERS file.
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Merge tag 'ata-6.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ata fix from Damien Le Moal:
- Update my email address in the MAINTAINERS file
* tag 'ata-6.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
MAINTAINERS: Change ata maintainer email addresses
* Ensure the guest PMU context is restored before the first KVM_RUN,
fixing an issue where EL0 event counting is broken after vCPU
save/restore
* Actually initialize ID_AA64PFR0_EL1.{CSV2,CSV3} based on the
sanitized, system-wide values for protected VMs
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"Two ARM fixes:
- Ensure the guest PMU context is restored before the first KVM_RUN,
fixing an issue where EL0 event counting is broken after vCPU
save/restore
- Actually initialize ID_AA64PFR0_EL1.{CSV2,CSV3} based on the
sanitized, system-wide values for protected VMs"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: arm64: Advertise ID_AA64PFR0_EL1.CSV2/3 to protected VMs
KVM: arm64: PMU: Restore the guest's EL0 event counting after migration
Some older processors don't allow BIT(13) and BIT(15) in the current
mask set by "THERM_STATUS_CLEAR_CORE_MASK". This results in:
unchecked MSR access error: WRMSR to 0x19c (tried to
write 0x000000000000aaa8) at rIP: 0xffffffff816f66a6
(throttle_active_work+0xa6/0x1d0)
To avoid unchecked MSR issues, check CPUID for each relevant feature and
use that information to set the supported feature bits only in the
"clear" mask for cores. Do the same for the analogous package mask set
by "THERM_STATUS_CLEAR_PKG_MASK".
Introduce functions thermal_intr_init_core_clear_mask() and
thermal_intr_init_pkg_clear_mask() to set core and package mask bits,
respectively. These functions are called during initialization.
Fixes: 6fe1e64b60 ("thermal: intel: Prevent accidental clearing of HFI status")
Reported-by: Rui Salvaterra <rsalvaterra@gmail.com>
Link: https://lore.kernel.org/lkml/cdf43fb423368ee3994124a9e8c9b4f8d00712c6.camel@linux.intel.com/T/
Tested-by: Rui Salvaterra <rsalvaterra@gmail.com>
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: 6.2+ <stable@kernel.org> # 6.2+
[ rjw: Renamed 2 funtions and 2 static variables, edited subject and
changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This is an oversight from dc5bdb68b5 ("drm/fb-helper: Fix vt
restore") - I failed to realize that nasty userspace could set this.
It's not pretty to mix up kernel-internal and userspace uapi flags
like this, but since the entire fb_var_screeninfo structure is uapi
we'd need to either add a new parameter to the ->fb_set_par callback
and fb_set_par() function, which has a _lot_ of users. Or some other
fairly ugly side-channel int fb_info. Neither is a pretty prospect.
Instead just correct the issue at hand by filtering out this
kernel-internal flag in the ioctl handling code.
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Fixes: dc5bdb68b5 ("drm/fb-helper: Fix vt restore")
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: shlomo@fastmail.com
Cc: Michel Dänzer <michel@daenzer.net>
Cc: Noralf Trønnes <noralf@tronnes.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v5.7+
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Nathan Chancellor <natechancellor@gmail.com>
Cc: Qiujun Huang <hqjagain@gmail.com>
Cc: Peter Rosin <peda@axentia.se>
Cc: linux-fbdev@vger.kernel.org
Cc: Helge Deller <deller@gmx.de>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Shigeru Yoshida <syoshida@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230404193934.472457-1-daniel.vetter@ffwll.ch
On TGL+ the DSS control registers are at different offsets, and there's
one per pipe. Fix the offsets to fix dual link DSI for TGL+.
There would be helpers for this in the DSC code, but just do the quick
fix now for DSI. Long term, we should probably move all the DSS handling
into intel_vdsc.c, so exporting the helpers seems counter-productive.
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/8232
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230301151409.1581574-1-jani.nikula@intel.com
(cherry picked from commit 1a62dd9895)
Change my email address referenced in the MAINTAINERS file for the ata
subsystem to dlemoal@kernel.org. And while at it, also change other
references for zonefs and the k210 drivers to the same address.
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
When the source tree is dirty and contains untracked files, package
builds may fail, for example, when a broken symlink exists, a file
path contains whitespaces, etc.
Since commit 05e96e96a3 ("kbuild: use git-archive for source package
creation"), the source tarball only contains committed files because
it is created by 'git archive'. scripts/package/gen-diff-patch tries
to address the diff from HEAD, but including untracked files by the
hand-crafted script introduces more complexity. I wrote a patch [1] to
make it work in most cases, but still wonder if this is what we should
aim for.
To simplify the code, this patch just gives up untracked files. Going
forward, it is your responsibility to do 'git add' for what you want in
the source package. The script shows a warning just in case you forgot
to do so. It should be checked only when building source packages.
[1]: https://lore.kernel.org/all/CAK7LNAShbZ56gSh9PrbLnBDYKnjtTkHMoCXeGrhcxMvqXGq9=g@mail.gmail.com/2-0001-kbuild-make-package-builds-more-robust.patch
Fixes: 05e96e96a3 ("kbuild: use git-archive for source package creation")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
This commit fixes a pair of bugs in which an improbable but very real
sequence of events can cause kfree_rcu() to be a bit too quick about
freeing the memory passed to it. It turns out that this pair of bugs
is about two years old, and so this is not a v6.3 regression. However:
(1) It just started showing up in the wild and (2) Its consequences are
dire, so its fix needs to go in sooner rather than later.
Testing is of course being upgraded, and the upgraded tests detect this
situation very quickly. But to the best of my knowledge right now, the
tests are not particularly urgent and will thus most likely show up in
the v6.5 merge window (the one after this coming one).
Kudos to Ziwei Dai and his group for tracking this one down the hard way!
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Merge tag 'urgent-rcu.2023.04.07a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull RCU fix from Paul McKenney:
"This fixes a pair of bugs in which an improbable but very real
sequence of events can cause kfree_rcu() to be a bit too quick about
freeing the memory passed to it.
It turns out that this pair of bugs is about two years old, and so
this is not a v6.3 regression. However: (1) It just started showing up
in the wild and (2) Its consequences are dire, so its fix needs to go
in sooner rather than later.
Testing is of course being upgraded, and the upgraded tests detect
this situation very quickly. But to the best of my knowledge right
now, the tests are not particularly urgent and will thus most likely
show up in the v6.5 merge window (the one after this coming one).
Kudos to Ziwei Dai and his group for tracking this one down the hard
way!"
* tag 'urgent-rcu.2023.04.07a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
rcu/kvfree: Avoid freeing new kfree_rcu() memory after old grace period
Some last minute fixes - most of them for regressions.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio fixes from Michael Tsirkin:
"Some last minute fixes - most of them for regressions"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vdpa_sim_net: complete the initialization before register the device
vdpa/mlx5: Add and remove debugfs in setup/teardown driver
tools/virtio: fix typo in README instructions
vhost-scsi: Fix crash during LUN unmapping
vhost-scsi: Fix vhost_scsi struct use after free
virtio-blk: fix ZBD probe in kernels without ZBD support
virtio-blk: fix to match virtio spec
passed our 9p regression tests and been in for-next for at least a week.
They include a fix for a KASAN reported problem in the extended attribute
handling code and a use after free in the xen transport. It also includes
some updates for the MAINTAINERS file including the transition of our
development mailing list from sourceforge.net to lists.linux.dev.
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
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Merge tag '9p-6.3-fixes-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs
Pull 9p fixes from Eric Van Hensbergen:
"These are some collected fixes for the 6.3-rc series that have been
passed our 9p regression tests and been in for-next for at least a
week.
They include a fix for a KASAN reported problem in the extended
attribute handling code and a use after free in the xen transport.
This also includes some updates for the MAINTAINERS file including the
transition of our development mailing list from sourceforge.net to
lists.linux.dev"
* tag '9p-6.3-fixes-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs:
Update email address and mailing list for v9fs
9p/xen : Fix use after free bug in xen_9pfs_front_remove due to race condition
9P FS: Fix wild-memory-access write in v9fs_get_acl
- Build regression with older gcc versions
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Merge tag 'uml-for-linus-6.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux
Pull UML fix from Richard Weinberger:
- Build regression fix for older gcc versions
* tag 'uml-for-linus-6.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux:
um: Only disable SSE on clang to work around old GCC bugs
Similar to commit d0be8347c6 ("Bluetooth: L2CAP: Fix use-after-free
caused by l2cap_chan_put"), just use l2cap_chan_hold_unless_zero to
prevent referencing a channel that is about to be destroyed.
Cc: stable@kernel.org
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Min Li <lm0963hack@gmail.com>
This patch enables ISO data rx on broadcast sink.
Fixes: eca0ae4aea ("Bluetooth: Add initial implementation of BIS connections")
Signed-off-by: Claudia Draghicescu <claudia.rosu@nxp.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This patch fixes an incorrect loop exit condition in code that replaces
'/' symbols in the board name. There might also be a memory corruption
issue here, but it is unlikely to be a real problem.
Cc: <stable@vger.kernel.org>
Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
In btsdio_probe, the data->work is bound with btsdio_work. It will be
started in btsdio_send_frame.
If the btsdio_remove runs with a unfinished work, there may be a race
condition that hdev is freed but used in btsdio_work. Fix it by
canceling the work before do cleanup in btsdio_remove.
Signed-off-by: Zheng Wang <zyytlz.wz@163.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
There is a potential race condition in hidp_session_thread that may
lead to use-after-free. For instance, the timer is active while
hidp_del_timer is called in hidp_session_thread(). After hidp_session_put,
then 'session' will be freed, causing kernel panic when hidp_idle_timeout
is running.
The solution is to use del_timer_sync instead of del_timer.
Here is the call trace:
? hidp_session_probe+0x780/0x780
call_timer_fn+0x2d/0x1e0
__run_timers.part.0+0x569/0x940
hidp_session_probe+0x780/0x780
call_timer_fn+0x1e0/0x1e0
ktime_get+0x5c/0xf0
lapic_next_deadline+0x2c/0x40
clockevents_program_event+0x205/0x320
run_timer_softirq+0xa9/0x1b0
__do_softirq+0x1b9/0x641
__irq_exit_rcu+0xdc/0x190
irq_exit_rcu+0xe/0x20
sysvec_apic_timer_interrupt+0xa1/0xc0
Cc: stable@vger.kernel.org
Signed-off-by: Min Li <lm0963hack@gmail.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This fixes errors like bellow when LE Connection times out since that
is actually not a controller error:
Bluetooth: hci0: Opcode 0x200d failed: -110
Bluetooth: hci0: request failed to create LE connection: err -110
Instead the code shall properly detect if -ETIMEDOUT is returned and
send HCI_OP_LE_CREATE_CONN_CANCEL to give up on the connection.
Link: https://github.com/bluez/bluez/issues/340
Fixes: 8e8b92ee60 ("Bluetooth: hci_sync: Add hci_le_create_conn_sync")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
hci_connect_le_scan_cleanup shall always be invoked to cleanup the
states and re-enable passive scanning if necessary, otherwise it may
cause the pending action to stay active causing multiple attempts to
connect.
Fixes: 9b3628d79b ("Bluetooth: hci_sync: Cleanup hci_conn if it cannot be aborted")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
- Do not wait unconditionally for RCU on the event migration path if
there are no events to migrate
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Merge tag 'perf_urgent_for_v6.3_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Borislav Petkov:
- Fix "same task" check when redirecting event output
- Do not wait unconditionally for RCU on the event migration path if
there are no events to migrate
* tag 'perf_urgent_for_v6.3_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/core: Fix the same task check in perf_event_set_output
perf: Optimize perf_pmu_migrate_context()
- Fix a confusion about how to check the version of the ACPI spec which
supports a "online capable" bit in the MADT table which lead to
a bunch of boot breakages with Zen1 systems and VMs
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Merge tag 'x86_urgent_for_v6.3_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Add a new Intel Arrow Lake CPU model number
- Fix a confusion about how to check the version of the ACPI spec which
supports a "online capable" bit in the MADT table which lead to a
bunch of boot breakages with Zen1 systems and VMs
* tag 'x86_urgent_for_v6.3_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu: Add model number for Intel Arrow Lake processor
x86/acpi/boot: Correct acpi_is_processor_usable() check
x86/ACPI/boot: Use FADT version to check support for online capable
- Fix several issues with region enumeration in RCH topologies that can
trigger crashes on driver startup or shutdown.
- Fix CXL DVSEC range register compatibility versus region enumeration
that leads to startup crashes
- Fix CDAT endiannes handling
- Fix multiple buffer handling boundary conditions
- Fix Data Object Exchange (DOE) workqueue usage vs CONFIG_DEBUG_OBJECTS
warn splats
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Merge tag 'cxl-fixes-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull compute express link (cxl) fixes from Dan Williams:
"Several fixes for driver startup regressions that landed during the
merge window as well as some older bugs.
The regressions were due to a lack of testing with what the CXL
specification calls Restricted CXL Host (RCH) topologies compared to
the testing with Virtual Host (VH) CXL topologies. A VH topology is
typical PCIe while RCH topologies map CXL endpoints as Root Complex
Integrated endpoints. The impact is some driver crashes on startup.
This merge window also added compatibility for range registers (the
mechanism that CXL 1.1 defined for mapping memory) to treat them like
HDM decoders (the mechanism that CXL 2.0 defined for mapping
Host-managed Device Memory). That work collided with the new region
enumeration code that was tested with CXL 2.0 setups, and fails with
crashes at startup.
Lastly, the DOE (Data Object Exchange) implementation for retrieving
an ACPI-like data table from CXL devices is being reworked for v6.4.
Several fixes fell out of that work that are suitable for v6.3.
All of this has been in linux-next for a while, and all reported
issues [1] have been addressed.
Summary:
- Fix several issues with region enumeration in RCH topologies that
can trigger crashes on driver startup or shutdown.
- Fix CXL DVSEC range register compatibility versus region
enumeration that leads to startup crashes
- Fix CDAT endiannes handling
- Fix multiple buffer handling boundary conditions
- Fix Data Object Exchange (DOE) workqueue usage vs
CONFIG_DEBUG_OBJECTS warn splats"
Link: http://lore.kernel.org/r/20230405075704.33de8121@canb.auug.org.au [1]
* tag 'cxl-fixes-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
cxl/hdm: Extend DVSEC range register emulation for region enumeration
cxl/hdm: Limit emulation to the number of range registers
cxl/region: Move coherence tracking into cxl_region_attach()
cxl/region: Fix region setup/teardown for RCDs
cxl/port: Fix find_cxl_root() for RCDs and simplify it
cxl/hdm: Skip emulation when driver manages mem_enable
cxl/hdm: Fix double allocation of @cxlhdm
PCI/DOE: Fix memory leak with CONFIG_DEBUG_OBJECTS=y
PCI/DOE: Silence WARN splat with CONFIG_DEBUG_OBJECTS=y
cxl/pci: Handle excessive CDAT length
cxl/pci: Handle truncated CDAT entries
cxl/pci: Handle truncated CDAT header
cxl/pci: Fix CDAT retrieval on big endian
Ivan Bornyakov says:
====================
net: fix EEPROM read of absent SFP module
The patchset is to improve EEPROM read requests when SFP module is
absent.
ChangeLog:
v1:
https://lore.kernel.org/netdev/20230405153900.747-1-i.bornyakov@metrotek.ru/
v2:
* reword commit message of "net: sfp: initialize sfp->i2c_block_size
at sfp allocation"
* add second patch to eliminate excessive I2C transfers in
sfp_module_eeprom() and sfp_module_eeprom_by_page()
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
If SFP module is not present, it is sensible to fail sfp_module_eeprom()
and sfp_module_eeprom_by_page() early to avoid excessive I2C transfers
which are garanteed to fail.
Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Ivan Bornyakov <i.bornyakov@metrotek.ru>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
sfp->i2c_block_size is initialized at SFP module insertion in
sfp_sm_mod_probe(). Because of that, if SFP module was never inserted
since boot, sfp_read() call will lead to zero-length I2C read attempt,
and not all I2C controllers are happy with zero-length reads.
One way to issue sfp_read() on empty SFP cage is to execute ethtool -m.
If SFP module was never plugged since boot, there will be a zero-length
I2C read attempt.
# ethtool -m xge0
i2c i2c-3: adapter quirk: no zero length (addr 0x0050, size 0, read)
Cannot get Module EEPROM data: Operation not supported
If SFP module was plugged then removed at least once,
sfp->i2c_block_size will be initialized and ethtool -m will fail with
different exit code and without I2C error
# ethtool -m xge0
Cannot get Module EEPROM data: Remote I/O error
Fix this by initializing sfp->i2_block_size at struct sfp allocation
stage so no wild sfp_read() could issue zero-length I2C read.
Signed-off-by: Ivan Bornyakov <i.bornyakov@metrotek.ru>
Fixes: 0d035bed2a ("net: sfp: VSOL V2801F / CarlitoxxPro CPGOS03-0490 v2.0 workaround")
Cc: stable@vger.kernel.org
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag '6.3-rc5-smb3-cifs-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs client fixes from Steve French:
"Two cifs/smb3 client fixes, one for stable:
- double lock fix for a cifs/smb1 reconnect path
- DFS prefixpath fix for reconnect when server moved"
* tag '6.3-rc5-smb3-cifs-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: double lock in cifs_reconnect_tcon()
cifs: sanitize paths in cifs_update_super_prepath.
Here are a small set of various small driver changes for 6.3-rc6.
Included in here are:
- iio driver fixes for reported problems.
- coresight hwtracing bugfix for reported problem
- small counter driver bugfixes
All have been in linux-next for a while with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are a small set of various small driver changes for 6.3-rc6.
Included in here are:
- iio driver fixes for reported problems
- coresight hwtracing bugfix for reported problem
- small counter driver bugfixes
All have been in linux-next for a while with no reported problems"
* tag 'char-misc-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
coresight: etm4x: Do not access TRCIDR1 for identification
coresight-etm4: Fix for() loop drvdata->nr_addr_cmp range bug
iio: adc: ti-ads7950: Set `can_sleep` flag for GPIO chip
iio: adc: palmas_gpadc: fix NULL dereference on rmmod
counter: 104-quad-8: Fix Synapse action reported for Index signals
counter: 104-quad-8: Fix race condition between FLAG and CNTR reads
iio: adc: max11410: fix read_poll_timeout() usage
iio: dac: cio-dac: Fix max DAC write value check for 12-bit
iio: light: cm32181: Unregister second I2C client if present
iio: accel: kionix-kx022a: Get the timestamp from the driver's private data in the trigger_handler
iio: adc: ad7791: fix IRQ flags
iio: buffer: make sure O_NONBLOCK is respected
iio: buffer: correctly return bytes written in output buffers
iio: light: vcnl4000: Fix WARN_ON on uninitialized lock
iio: adis16480: select CONFIG_CRC32
drivers: iio: adc: ltc2497: fix LSB shift
iio: adc: qcom-spmi-adc5: Fix the channel name
Here are some small tty and serial driver fixes for some reported
problems:
- fsl_uart driver bugfixes
- sh-sci serial driver bugfixes
- renesas serial driver DT binding bugfixes
- 8250 DMA bugfix
All of these have been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are some small tty and serial driver fixes for some reported
problems:
- fsl_uart driver bugfixes
- sh-sci serial driver bugfixes
- renesas serial driver DT binding bugfixes
- 8250 DMA bugfix
All of these have been in linux-next for a while with no reported
problems"
* tag 'tty-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: serial: sh-sci: Fix Rx on RZ/G2L SCI
tty: serial: fsl_lpuart: fix crash in lpuart_uport_is_active
tty: serial: fsl_lpuart: avoid checking for transfer complete when UARTCTRL_SBK is asserted in lpuart32_tx_empty
serial: 8250: Prevent starting up DMA Rx on THRI interrupt
dt-bindings: serial: renesas,scif: Fix 4th IRQ for 4-IRQ SCIFs
tty: serial: sh-sci: Fix transmit end interrupt handler
Here are some small USB bugfixes for 6.3-rc6 that have been in my tree,
and in linux-next, for a while. Included in here are:
- new usb-serial driver device ids
- xhci bugfixes for reported problems
- gadget driver bugfixes for reported problems
- dwc3 new device id
All have been in linux-next with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB bugfixes from Greg KH:
"Here are some small USB bugfixes for 6.3-rc6 that have been in my
tree, and in linux-next, for a while. Included in here are:
- new usb-serial driver device ids
- xhci bugfixes for reported problems
- gadget driver bugfixes for reported problems
- dwc3 new device id
All have been in linux-next with no reported problems"
* tag 'usb-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: cdnsp: Fixes error: uninitialized symbol 'len'
usb: gadgetfs: Fix ep_read_iter to handle ITER_UBUF
usb: gadget: f_fs: Fix ffs_epfile_read_iter to handle ITER_UBUF
usb: typec: altmodes/displayport: Fix configure initial pin assignment
usb: dwc3: pci: add support for the Intel Meteor Lake-S
xhci: Free the command allocated for setting LPM if we return early
Revert "usb: xhci-pci: Set PROBE_PREFER_ASYNCHRONOUS"
xhci: also avoid the XHCI_ZERO_64B_REGS quirk with a passthrough iommu
USB: serial: option: add Quectel RM500U-CN modem
usb: xhci: tegra: fix sleep in atomic call
USB: serial: option: add Telit FE990 compositions
USB: serial: cp210x: add Silicon Labs IFS-USB-DATACABLE IDs
Four small fixes, all in drivers. They're all one or two lines except
for the ufs one, but that's a simple revert of a previous feature.
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:
"Four small fixes, all in drivers. They're all one or two lines except
for the ufs one, but that's a simple revert of a previous feature"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: iscsi_tcp: Check that sock is valid before iscsi_set_param()
scsi: qla2xxx: Fix memory leak in qla2x00_probe_one()
scsi: mpi3mr: Handle soft reset in progress fault code (0xF002)
scsi: Revert "scsi: ufs: core: Initialize devfreq synchronously"
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Merge tag 'block-6.3-2023-04-06' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
- Ensure that ublk always reads the whole sqe upfront (me)
- Fix for a block size probing issue with ublk (Ming)
- Fix for the bio based polling (Keith)
- NVMe pull request via Christoph:
- fix discard support without oncs (Keith Busch)
- Partition scan error handling regression fix (Yu)
* tag 'block-6.3-2023-04-06' of git://git.kernel.dk/linux:
block: don't set GD_NEED_PART_SCAN if scan partition failed
block: ublk: make sure that block size is set correctly
ublk: read any SQE values upfront
nvme: fix discard support without oncs
blk-mq: directly poll requests
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Merge tag 'io_uring-6.3-2023-04-06' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
"Just two minor fixes for provided buffers - one where we could
potentially leak a buffer, and one where the returned values was
off-by-one in some cases"
* tag 'io_uring-6.3-2023-04-06' of git://git.kernel.dk/linux:
io_uring: fix memory leak when removing provided buffers
io_uring: fix return value when removing provided buffers
- fix a braino in the swiotlb alignment check fix (Petr Tesarik)
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Merge tag 'dma-mapping-6.3-2023-04-08' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping fix from Christoph Hellwig:
- fix a braino in the swiotlb alignment check fix (Petr Tesarik)
* tag 'dma-mapping-6.3-2023-04-08' of git://git.infradead.org/users/hch/dma-mapping:
swiotlb: fix a braino in the alignment check fix
- Reset direct->addr back to its original value on error in updating
the direct trampoline code.
- Make lastcmd_mutex static.
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Merge tag 'trace-v6.3-rc5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
"A couple more minor fixes:
- Reset direct->addr back to its original value on error in updating
the direct trampoline code
- Make lastcmd_mutex static"
* tag 'trace-v6.3-rc5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing/synthetic: Make lastcmd_mutex static
ftrace: Fix issue that 'direct->addr' not restored in modify_ftrace_direct()
23 are cc:stable and the other 5 address issues which were introduced
during this merge cycle.
20 are for MM and the remainder are for other subsystems.
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Merge tag 'mm-hotfixes-stable-2023-04-07-16-23' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM fixes from Andrew Morton:
"28 hotfixes.
23 are cc:stable and the other five address issues which were
introduced during this merge cycle.
20 are for MM and the remainder are for other subsystems"
* tag 'mm-hotfixes-stable-2023-04-07-16-23' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (28 commits)
maple_tree: fix a potential concurrency bug in RCU mode
maple_tree: fix get wrong data_end in mtree_lookup_walk()
mm/swap: fix swap_info_struct race between swapoff and get_swap_pages()
nilfs2: fix sysfs interface lifetime
mm: take a page reference when removing device exclusive entries
mm: vmalloc: avoid warn_alloc noise caused by fatal signal
nilfs2: initialize "struct nilfs_binfo_dat"->bi_pad field
nilfs2: fix potential UAF of struct nilfs_sc_info in nilfs_segctor_thread()
zsmalloc: document freeable stats
zsmalloc: document new fullness grouping
fsdax: force clear dirty mark if CoW
mm/hugetlb: fix uffd wr-protection for CoW optimization path
mm: enable maple tree RCU mode by default
maple_tree: add RCU lock checking to rcu callback functions
maple_tree: add smp_rmb() to dead node detection
maple_tree: fix write memory barrier of nodes once dead for RCU mode
maple_tree: remove extra smp_wmb() from mas_dead_leaves()
maple_tree: fix freeing of nodes in rcu mode
maple_tree: detect dead nodes in mas_start()
maple_tree: be more cautious about dead nodes
...
I recently started uploading prebuilt stable versions of LLVM to
kernel.org, which should make building the kernel with LLVM more
accessible to maintainers and developers. Link them in the LLVM
documentation to make this more visible.
Link: https://lore.kernel.org/20230319235619.GA18547@dev-arch.thelio-3990X/
Suggested-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Bill Wendling <morbo@google.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Since 32ef9e5054, -Wa,-gdwarf-2 is no longer used in KBUILD_AFLAGS.
Instead, it includes -g, the appropriate -gdwarf-* flag, and also the
-Wa versions of both of those if building with Clang and GNU as. As a
result, debug info was being generated for the purgatory objects, even
though the intention was that it not be.
Fixes: 32ef9e5054 ("Makefile.debug: re-enable debug info for .S files")
Signed-off-by: Alyssa Ross <hi@alyssa.is>
Cc: stable@vger.kernel.org
Acked-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
When memory is a little tight on my system, it's pretty easy to see
warnings that look like this.
ksoftirqd/0: page allocation failure: order:3, mode:0x40a20(GFP_ATOMIC|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
...
Call trace:
dump_backtrace+0x0/0x1e8
show_stack+0x20/0x2c
dump_stack_lvl+0x60/0x78
dump_stack+0x18/0x38
warn_alloc+0x104/0x174
__alloc_pages+0x588/0x67c
alloc_rx_agg+0xa0/0x190 [r8152 ...]
r8152_poll+0x270/0x760 [r8152 ...]
__napi_poll+0x44/0x1ec
net_rx_action+0x100/0x300
__do_softirq+0xec/0x38c
run_ksoftirqd+0x38/0xec
smpboot_thread_fn+0xb8/0x248
kthread+0x134/0x154
ret_from_fork+0x10/0x20
On a fragmented system it's normal that order 3 allocations will
sometimes fail, especially atomic ones. The driver handles these
failures fine and the WARN just creates spam in the logs for this
case. The __GFP_NOWARN flag is exactly for this situation, so add it
to the allocation.
NOTE: my testing is on a 5.15 system, but there should be no reason
that this would be fundamentally different on a mainline kernel.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Hayes Wang <hayeswang@realtek.com>
Link: https://lore.kernel.org/r/20230406171411.1.I84dbef45786af440fd269b71e9436a96a8e7a152@changeid
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Any multiplication between GENMASK(31, 0) and a number bigger than 1
will be truncated because of the overflow, if the size of unsigned long
is 32 bits.
Replaced GENMASK with GENMASK_ULL to make sure that multiplication will
be between 64 bits values.
Cc: <stable@vger.kernel.org> # 5.15+
Fixes: 514def5dd3 ("phy: nxp-c45-tja11xx: add timestamping support")
Signed-off-by: Radu Pirea (OSS) <radu-nicolae.pirea@oss.nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230406095953.75622-1-radu-nicolae.pirea@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
