The two example echo commands for binding the spidev driver were being
rendered as one line in the HTML output. This patch makes use of the
restructured text :: to format the commands as a code block instead
which preserves the line break.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://msgid.link/r/20240319183344.2106335-1-dlechner@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Update links in the documentation and in-code comments which point to
the datasheet and schematic.
The current links don't work because National Semiconductor (which is
the manufacturer of this board and lm70) has been a part of Texas
Instruments since 2011 and hence http://www.national.com/ doesn't work
anymore.
Fixes: 78961a5740 ("spi_lm70llp parport adapter driver")
Fixes: 2b7300513b ("hwmon: (lm70) Code streamlining and cleanup")
Signed-off-by: Kousik Sanagavarapu <five231003@gmail.com>
Link: https://msgid.link/r/20240318154540.90613-2-five231003@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
After commit cff49d58f5 ("spi: Unify error codes by replacing -ENOTSUPP with
-EOPNOTSUPP"), our SPI NOR flashes would stop probing with the following
visible in the kernel log:
[ 2.196300] brcmstb_qspi f0440920.qspi: using bspi-mspi mode
[ 2.210295] spi-nor: probe of spi1.0 failed with error -95
It turns out that the check in spi_mem_exec_op() was changed to check
for -ENOTSUPP (old error code) or -EOPNOTSUPP (new error code), but this
means that for drivers that were converted, the second condition is now
true, and we stop falling through like we used to. Fix the error to
check for neither error being neither -ENOTSUPP *nor* -EOPNOTSUPP.
Fixes: cff49d58f5 ("spi: Unify error codes by replacing -ENOTSUPP with -EOPNOTSUPP")
Reviewed-by: Michael Walle <mwalle@kernel.org>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://msgid.link/r/20240313194530.3150446-1-florian.fainelli@broadcom.com
Signed-off-by: Mark Brown <broonie@kernel.org>
SPI controller with integrated chip select handling still need to adhere
to SPI device's CS setup, hold and inactive delays. For controller
without set_cs_timing spi core shall handle the delays to avoid
duplicated delay handling in each controller driver.
Fixes a regression for the out of tree SPI controller and SPI HID
transport on Apple M1/M1 Pro/Max notebooks.
Fixes: 4d8ff6b099 ("spi: Add multi-cs memories support in SPI core")
Signed-off-by: Janne Grunau <j@jannau.net>
Link: https://msgid.link/r/20240311-spi-cs-delays-regression-v1-1-0075020a90b2@jannau.net
Signed-off-by: Mark Brown <broonie@kernel.org>
fsl_lpspi_probe() is allocating/disposing memory manually with
spi_alloc_host()/spi_alloc_target(), but uses
devm_spi_register_controller(). In case of error after the latter call the
memory will be explicitly freed in the probe function by
spi_controller_put() call, but used afterwards by "devm" management outside
probe() (spi_unregister_controller() <- devm_spi_unregister() below).
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000070
...
Call trace:
kernfs_find_ns
kernfs_find_and_get_ns
sysfs_remove_group
sysfs_remove_groups
device_remove_attrs
device_del
spi_unregister_controller
devm_spi_unregister
release_nodes
devres_release_all
really_probe
driver_probe_device
__device_attach_driver
bus_for_each_drv
__device_attach
device_initial_probe
bus_probe_device
deferred_probe_work_func
process_one_work
worker_thread
kthread
ret_from_fork
Fixes: 5314987de5 ("spi: imx: add lpspi bus driver")
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@siemens.com>
Link: https://msgid.link/r/20240312112050.2503643-1-alexander.sverdlin@siemens.com
Signed-off-by: Mark Brown <broonie@kernel.org>
- Do not allow large strings (> 4096) as single write to trace_marker
The size of a string written into trace_marker was determined by
the size of the sub-buffer in the ring buffer. That size is
dependent on the PAGE_SIZE of the architecture as it can be mapped
into user space. But on PowerPC, where PAGE_SIZE is 64K, that made
the limit of the string of writing into trace_marker 64K.
One of the selftests looks at the size of the ring buffer sub-buffers
and writes that plus more into the trace_marker. The write will take
what it can and report back what it consumed so that the user space
application (like echo) will write the rest of the string. The string
is stored in the ring buffer and can be read via the "trace" or
"trace_pipe" files.
The reading of the ring buffer uses vsnprintf(), which uses a precision
"%.*s" to make sure it only reads what is stored in the buffer, as
a bug could cause the string to be non terminated.
With the combination of the precision change and the PAGE_SIZE of 64K
allowing huge strings to be added into the ring buffer, plus the test
that would actually stress that limit, a bug was reported that
the precision used was too big for "%.*s" as the string was close to
64K in size and the max precision of vsnprintf is 32K.
Linus suggested not to have that precision as it could hide a bug
if the string was again stored without a nul byte.
Another issue that was brought up is that the trace_seq buffer is
also based on PAGE_SIZE even though it is not tied to the architecture
limit like the ring buffer sub-buffer is. Having it be 64K * 2 is
simply just too big and wasting memory on systems with 64K page sizes.
It is now hardcoded to 8K which is what all other architectures with
4K PAGE_SIZE has.
Finally, the write to trace_marker is now limited to 4K as there is no
reason to write larger strings into trace_marker.
- ring_buffer_wait() should not loop.
The ring_buffer_wait() does not have the full context (yet) on if it
should loop or not. Just exit the loop as soon as its woken up and
let the callers decide to loop or not (they already do, so it's a bit
redundant).
- Fix shortest_full field to be the smallest amount in the ring buffer that
a waiter is waiting for. The "shortest_full" field is updated when a new
waiter comes in and wants to wait for a smaller amount of data in the
ring buffer than other waiters. But after all waiters are woken up, it's
not reset, so if another waiter comes in wanting to wait for more data,
it will be woken up when the ring buffer has a smaller amount from what
the previous waiters were waiting for.
- The wake up all waiters on close is incorrectly called frome .release()
and not from .flush() so it will never wake up any waiters as the
.release() will not get called until all .read() calls are finished. And the
wakeup is for the waiters in those .read() calls.
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Merge tag 'trace-ring-buffer-v6.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
- Do not allow large strings (> 4096) as single write to trace_marker
The size of a string written into trace_marker was determined by the
size of the sub-buffer in the ring buffer. That size is dependent on
the PAGE_SIZE of the architecture as it can be mapped into user
space. But on PowerPC, where PAGE_SIZE is 64K, that made the limit of
the string of writing into trace_marker 64K.
One of the selftests looks at the size of the ring buffer sub-buffers
and writes that plus more into the trace_marker. The write will take
what it can and report back what it consumed so that the user space
application (like echo) will write the rest of the string. The string
is stored in the ring buffer and can be read via the "trace" or
"trace_pipe" files.
The reading of the ring buffer uses vsnprintf(), which uses a
precision "%.*s" to make sure it only reads what is stored in the
buffer, as a bug could cause the string to be non terminated.
With the combination of the precision change and the PAGE_SIZE of 64K
allowing huge strings to be added into the ring buffer, plus the test
that would actually stress that limit, a bug was reported that the
precision used was too big for "%.*s" as the string was close to 64K
in size and the max precision of vsnprintf is 32K.
Linus suggested not to have that precision as it could hide a bug if
the string was again stored without a nul byte.
Another issue that was brought up is that the trace_seq buffer is
also based on PAGE_SIZE even though it is not tied to the
architecture limit like the ring buffer sub-buffer is. Having it be
64K * 2 is simply just too big and wasting memory on systems with 64K
page sizes. It is now hardcoded to 8K which is what all other
architectures with 4K PAGE_SIZE has.
Finally, the write to trace_marker is now limited to 4K as there is
no reason to write larger strings into trace_marker.
- ring_buffer_wait() should not loop.
The ring_buffer_wait() does not have the full context (yet) on if it
should loop or not. Just exit the loop as soon as its woken up and
let the callers decide to loop or not (they already do, so it's a bit
redundant).
- Fix shortest_full field to be the smallest amount in the ring buffer
that a waiter is waiting for. The "shortest_full" field is updated
when a new waiter comes in and wants to wait for a smaller amount of
data in the ring buffer than other waiters. But after all waiters are
woken up, it's not reset, so if another waiter comes in wanting to
wait for more data, it will be woken up when the ring buffer has a
smaller amount from what the previous waiters were waiting for.
- The wake up all waiters on close is incorrectly called frome
.release() and not from .flush() so it will never wake up any waiters
as the .release() will not get called until all .read() calls are
finished. And the wakeup is for the waiters in those .read() calls.
* tag 'trace-ring-buffer-v6.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: Use .flush() call to wake up readers
ring-buffer: Fix resetting of shortest_full
ring-buffer: Fix waking up ring buffer readers
tracing: Limit trace_marker writes to just 4K
tracing: Limit trace_seq size to just 8K and not depend on architecture PAGE_SIZE
tracing: Remove precision vsnprintf() check from print event
- fixes for Qualcomm qmp-combo driver for ordering of drm and type-c
switch registartion due to drivers might not probe defer
after having registered child devices to avoid triggering a probe
deferral loop. This fixes internal display on Lenovo ThinkPad X13s
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Merge tag 'phy-fixes3-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull phy fixes from Vinod Koul:
- fixes for Qualcomm qmp-combo driver for ordering of drm and type-c
switch registartion due to drivers might not probe defer after having
registered child devices to avoid triggering a probe deferral loop.
This fixes internal display on Lenovo ThinkPad X13s
* tag 'phy-fixes3-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy:
phy: qcom-qmp-combo: fix type-c switch registration
phy: qcom-qmp-combo: fix drm bridge registration
The .release() function does not get called until all readers of a file
descriptor are finished.
If a thread is blocked on reading a file descriptor in ring_buffer_wait(),
and another thread closes the file descriptor, it will not wake up the
other thread as ring_buffer_wake_waiters() is called by .release(), and
that will not get called until the .read() is finished.
The issue originally showed up in trace-cmd, but the readers are actually
other processes with their own file descriptors. So calling close() would wake
up the other tasks because they are blocked on another descriptor then the
one that was closed(). But there's other wake ups that solve that issue.
When a thread is blocked on a read, it can still hang even when another
thread closed its descriptor.
This is what the .flush() callback is for. Have the .flush() wake up the
readers.
Link: https://lore.kernel.org/linux-trace-kernel/20240308202432.107909457@goodmis.org
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linke li <lilinke99@qq.com>
Cc: Rabin Vincent <rabin@rab.in>
Fixes: f3ddb74ad0 ("tracing: Wake up ring buffer waiters on closing of the file")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
The "shortest_full" variable is used to keep track of the waiter that is
waiting for the smallest amount on the ring buffer before being woken up.
When a tasks waits on the ring buffer, it passes in a "full" value that is
a percentage. 0 means wake up on any data. 1-100 means wake up from 1% to
100% full buffer.
As all waiters are on the same wait queue, the wake up happens for the
waiter with the smallest percentage.
The problem is that the smallest_full on the cpu_buffer that stores the
smallest amount doesn't get reset when all the waiters are woken up. It
does get reset when the ring buffer is reset (echo > /sys/kernel/tracing/trace).
This means that tasks may be woken up more often then when they want to
be. Instead, have the shortest_full field get reset just before waking up
all the tasks. If the tasks wait again, they will update the shortest_full
before sleeping.
Also add locking around setting of shortest_full in the poll logic, and
change "work" to "rbwork" to match the variable name for rb_irq_work
structures that are used in other places.
Link: https://lore.kernel.org/linux-trace-kernel/20240308202431.948914369@goodmis.org
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linke li <lilinke99@qq.com>
Cc: Rabin Vincent <rabin@rab.in>
Fixes: 2c2b0a78b3 ("ring-buffer: Add percentage of ring buffer full to wake up reader")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
- Make KVM_MEM_GUEST_MEMFD mutually exclusive with KVM_MEM_READONLY to
avoid creating an inconsistent ABI (KVM_MEM_GUEST_MEMFD is not writable
from userspace, so there would be no way to write to a read-only
guest_memfd).
- Update documentation for KVM_SW_PROTECTED_VM to make it abundantly
clear that such VMs are purely for development and testing.
- Limit KVM_SW_PROTECTED_VM guests to the TDP MMU, as the long term plan
is to support confidential VMs with deterministic private memory (SNP
and TDX) only in the TDP MMU.
- Fix a bug in a GUEST_MEMFD dirty logging test that caused false passes.
x86 fixes:
- Fix missing marking of a guest page as dirty when emulating an atomic access.
- Check for mmu_notifier invalidation events before faulting in the pfn,
and before acquiring mmu_lock, to avoid unnecessary work and lock
contention with preemptible kernels (including CONFIG_PREEMPT_DYNAMIC
in non-preemptible mode).
- Disable AMD DebugSwap by default, it breaks VMSA signing and will be
re-enabled with a better VM creation API in 6.10.
- Do the cache flush of converted pages in svm_register_enc_region() before
dropping kvm->lock, to avoid a race with unregistering of the same region
and the consequent use-after-free issue.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"KVM GUEST_MEMFD fixes for 6.8:
- Make KVM_MEM_GUEST_MEMFD mutually exclusive with KVM_MEM_READONLY
to avoid creating an inconsistent ABI (KVM_MEM_GUEST_MEMFD is not
writable from userspace, so there would be no way to write to a
read-only guest_memfd).
- Update documentation for KVM_SW_PROTECTED_VM to make it abundantly
clear that such VMs are purely for development and testing.
- Limit KVM_SW_PROTECTED_VM guests to the TDP MMU, as the long term
plan is to support confidential VMs with deterministic private
memory (SNP and TDX) only in the TDP MMU.
- Fix a bug in a GUEST_MEMFD dirty logging test that caused false
passes.
x86 fixes:
- Fix missing marking of a guest page as dirty when emulating an
atomic access.
- Check for mmu_notifier invalidation events before faulting in the
pfn, and before acquiring mmu_lock, to avoid unnecessary work and
lock contention with preemptible kernels (including
CONFIG_PREEMPT_DYNAMIC in non-preemptible mode).
- Disable AMD DebugSwap by default, it breaks VMSA signing and will
be re-enabled with a better VM creation API in 6.10.
- Do the cache flush of converted pages in svm_register_enc_region()
before dropping kvm->lock, to avoid a race with unregistering of
the same region and the consequent use-after-free issue"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
SEV: disable SEV-ES DebugSwap by default
KVM: x86/mmu: Retry fault before acquiring mmu_lock if mapping is changing
KVM: SVM: Flush pages under kvm->lock to fix UAF in svm_register_enc_region()
KVM: selftests: Add a testcase to verify GUEST_MEMFD and READONLY are exclusive
KVM: selftests: Create GUEST_MEMFD for relevant invalid flags testcases
KVM: x86/mmu: Restrict KVM_SW_PROTECTED_VM to the TDP MMU
KVM: x86: Update KVM_SW_PROTECTED_VM docs to make it clear they're a WIP
KVM: Make KVM_MEM_GUEST_MEMFD mutually exclusive with KVM_MEM_READONLY
KVM: x86: Mark target gfn of emulated atomic instruction as dirty
A task can wait on a ring buffer for when it fills up to a specific
watermark. The writer will check the minimum watermark that waiters are
waiting for and if the ring buffer is past that, it will wake up all the
waiters.
The waiters are in a wait loop, and will first check if a signal is
pending and then check if the ring buffer is at the desired level where it
should break out of the loop.
If a file that uses a ring buffer closes, and there's threads waiting on
the ring buffer, it needs to wake up those threads. To do this, a
"wait_index" was used.
Before entering the wait loop, the waiter will read the wait_index. On
wakeup, it will check if the wait_index is different than when it entered
the loop, and will exit the loop if it is. The waker will only need to
update the wait_index before waking up the waiters.
This had a couple of bugs. One trivial one and one broken by design.
The trivial bug was that the waiter checked the wait_index after the
schedule() call. It had to be checked between the prepare_to_wait() and
the schedule() which it was not.
The main bug is that the first check to set the default wait_index will
always be outside the prepare_to_wait() and the schedule(). That's because
the ring_buffer_wait() doesn't have enough context to know if it should
break out of the loop.
The loop itself is not needed, because all the callers to the
ring_buffer_wait() also has their own loop, as the callers have a better
sense of what the context is to decide whether to break out of the loop
or not.
Just have the ring_buffer_wait() block once, and if it gets woken up, exit
the function and let the callers decide what to do next.
Link: https://lore.kernel.org/all/CAHk-=whs5MdtNjzFkTyaUy=vHi=qwWgPi0JgTe6OYUYMNSRZfg@mail.gmail.com/
Link: https://lore.kernel.org/linux-trace-kernel/20240308202431.792933613@goodmis.org
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linke li <lilinke99@qq.com>
Cc: Rabin Vincent <rabin@rab.in>
Fixes: e30f53aad2 ("tracing: Do not busy wait in buffer splice")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
discovered while working on some other features. Essentially,
there is a reordering when adding optional slaves and proper
cleanup upon registering a mux device.
Christophe fixes the exit path in the wmt driver that was leaving
the clocks hanging, and the last fix from Tommy avoids false
error reports in IRQ.
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Merge tag 'i2c-for-6.8-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"Two patches from Heiner for the i801 are targeting muxes discovered
while working on some other features. Essentially, there is a
reordering when adding optional slaves and proper cleanup upon
registering a mux device.
Christophe fixes the exit path in the wmt driver that was leaving the
clocks hanging, and the last fix from Tommy avoids false error reports
in IRQ"
* tag 'i2c-for-6.8-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: aspeed: Fix the dummy irq expected print
i2c: wmt: Fix an error handling path in wmt_i2c_probe()
i2c: i801: Avoid potential double call to gpiod_remove_lookup_table
i2c: i801: Fix using mux_pdev before it's set
A fix to suppress warning about unreleased IRQ for 1394 OHCI hardware when
disabling MSI
In Linux kernel v6.5, a PCI driver for 1394 OHCI hardware was optimized
into the managed device resources. Edmund Raile points out that the change
brings the warning about unreleased IRQ at the call of pci_disable_msi(),
since the API expects that the relevant IRQ has already been released in
advance.
As long as the API is called in .remove callback of PCI device operation,
it is prohibited to maintain the IRQ as the part of managed device
resource. As a workaround, the IRQ is explicitly released at .remove
callback, before the call of pci_disable_msi().
The pci_disable_msi() is legacy API nowadays in PCI MSI implementation. I
have a plan to replace it with the modern API in the development for the
future version of Linux kernel. So at present I keep them as is.
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Merge tag 'firewire-fixes-6.8-final' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire fix from Takashi Sakamoto:
"A fix to suppress a warning about unreleased IRQ for 1394 OHCI
hardware when disabling MSI.
In Linux kernel v6.5, a PCI driver for 1394 OHCI hardware was
optimized into the managed device resources. Edmund Raile points out
that the change brings the warning about unreleased IRQ at the call of
pci_disable_msi(), since the API expects that the relevant IRQ has
already been released in advance.
As long as the API is called in .remove callback of PCI device
operation, it is prohibited to maintain the IRQ as the part of managed
device resource. As a workaround, the IRQ is explicitly released at
.remove callback, before the call of pci_disable_msi().
pci_disable_msi() is legacy API nowadays in PCI MSI implementation. I
have a plan to replace it with the modern API in the development for
the future version of Linux kernel. So at present I keep them as is"
* tag 'firewire-fixes-6.8-final' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: ohci: prevent leak of left-over IRQ on unbind
The DebugSwap feature of SEV-ES provides a way for confidential guests to use
data breakpoints. However, because the status of the DebugSwap feature is
recorded in the VMSA, enabling it by default invalidates the attestation
signatures. In 6.10 we will introduce a new API to create SEV VMs that
will allow enabling DebugSwap based on what the user tells KVM to do.
Contextually, we will change the legacy KVM_SEV_ES_INIT API to never
enable DebugSwap.
For compatibility with kernels that pre-date the introduction of DebugSwap,
as well as with those where KVM_SEV_ES_INIT will never enable it, do not enable
the feature by default. If anybody wants to use it, for now they can enable
the sev_es_debug_swap_enabled module parameter, but this will result in a
warning.
Fixes: d1f85fbe83 ("KVM: SEV: Enable data breakpoints in SEV-ES")
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
KVM GUEST_MEMFD fixes for 6.8:
- Make KVM_MEM_GUEST_MEMFD mutually exclusive with KVM_MEM_READONLY to
avoid creating ABI that KVM can't sanely support.
- Update documentation for KVM_SW_PROTECTED_VM to make it abundantly
clear that such VMs are purely a development and testing vehicle, and
come with zero guarantees.
- Limit KVM_SW_PROTECTED_VM guests to the TDP MMU, as the long term plan
is to support confidential VMs with deterministic private memory (SNP
and TDX) only in the TDP MMU.
- Fix a bug in a GUEST_MEMFD negative test that resulted in false passes
when verifying that KVM_MEM_GUEST_MEMFD memslots can't be dirty logged.
KVM x86 fixes for 6.8, round 2:
- When emulating an atomic access, mark the gfn as dirty in the memslot
to fix a bug where KVM could fail to mark the slot as dirty during live
migration, ultimately resulting in guest data corruption due to a dirty
page not being re-copied from the source to the target.
- Check for mmu_notifier invalidation events before faulting in the pfn,
and before acquiring mmu_lock, to avoid unnecessary work and lock
contention. Contending mmu_lock is especially problematic on preemptible
kernels, as KVM may yield mmu_lock in response to the contention, which
severely degrades overall performance due to vCPUs making it difficult
for the task that triggered invalidation to make forward progress.
Note, due to another kernel bug, this fix isn't limited to preemtible
kernels, as any kernel built with CONFIG_PREEMPT_DYNAMIC=y will yield
contended rwlocks and spinlocks.
https://lore.kernel.org/all/20240110214723.695930-1-seanjc@google.com
missed and is corrected here.
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Merge tag 'ceph-for-6.8-rc8' of https://github.com/ceph/ceph-client
Pull ceph fix from Ilya Dryomov:
"A follow-up for sparse read fixes that went into -rc4 -- msgr2 case
was missed and is corrected here"
* tag 'ceph-for-6.8-rc8' of https://github.com/ceph/ceph-client:
libceph: init the cursor when preparing sparse read in msgr2
Here are a few small char/misc and other driver subsystem fixes for
reported issues that have been in my tree for inclusion in 6.8-rc8 or
-final, which ever is next.
Included in here are fixes for:
- iio driver fixes for reported problems
- much reported bugfix for a lis3lv02d_i2c regression
- comedi driver bugfix
- mei new device ids
- mei driver fixes
- counter core fix
All of these have been in linux-next with no reported issues, some for
many weeks.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.8-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are a few small char/misc and other driver subsystem fixes for
reported issues that have been in my tree.
Included in here are fixes for:
- iio driver fixes for reported problems
- much reported bugfix for a lis3lv02d_i2c regression
- comedi driver bugfix
- mei new device ids
- mei driver fixes
- counter core fix
All of these have been in linux-next with no reported issues, some for
many weeks"
* tag 'char-misc-6.8-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
mei: gsc_proxy: match component when GSC is on different bus
misc: fastrpc: Pass proper arguments to scm call
comedi: comedi_test: Prevent timers rescheduling during deletion
comedi: comedi_8255: Correct error in subdevice initialization
misc: lis3lv02d_i2c: Fix regulators getting en-/dis-abled twice on suspend/resume
iio: accel: adxl367: fix I2C FIFO data register
iio: accel: adxl367: fix DEVID read after reset
iio: pressure: dlhl60d: Initialize empty DLH bytes
iio: imu: inv_mpu6050: fix frequency setting when chip is off
iio: pressure: Fixes BMP38x and BMP390 SPI support
iio: imu: inv_mpu6050: fix FIFO parsing when empty
mei: Add Meteor Lake support for IVSC device
mei: me: add arrow lake point H DID
mei: me: add arrow lake point S DID
counter: fix privdata alignment
Here are some small remaining tty/serial driver fixes for 6.8-rc8.
Included in here is fixes for:
- vt unicode buffer corruption fix
- imx serial driver fixes, again
- port suspend fix
- 8250_dw driver fix
- fsl_lpuart driver fix
- revert for the qcom_geni_serial driver to fix a reported regression
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.8-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty / serial fixes from Greg KH:
"Here are some small remaining tty/serial driver fixes. Included in
here is fixes for:
- vt unicode buffer corruption fix
- imx serial driver fixes, again
- port suspend fix
- 8250_dw driver fix
- fsl_lpuart driver fix
- revert for the qcom_geni_serial driver to fix a reported regression
All of these have been in linux-next with no reported issues"
* tag 'tty-6.8-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
Revert "tty: serial: simplify qcom_geni_serial_send_chunk_fifo()"
tty: serial: fsl_lpuart: avoid idle preamble pending if CTS is enabled
vt: fix unicode buffer corruption when deleting characters
serial: port: Don't suspend if the port is still busy
serial: 8250_dw: Do not reclock if already at correct rate
tty: serial: imx: Fix broken RS485
Here are some small remaining fixes for USB and Thunderbolt drivers for
6.8-rc8. Included in here are fixes for:
- thunderbold NULL dereference fix
- typec driver fixes
- xhci driver regression fix
- usb-storage divide-by-0 fix
- ncm gadget driver fix
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.8-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt fixes from Greg KH:
"Here are some small remaining fixes for USB and Thunderbolt drivers.
Included in here are fixes for:
- thunderbold NULL dereference fix
- typec driver fixes
- xhci driver regression fix
- usb-storage divide-by-0 fix
- ncm gadget driver fix
All of these have been in linux-next with no reported issues"
* tag 'usb-6.8-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
xhci: Fix failure to detect ring expansion need.
usb: port: Don't try to peer unused USB ports based on location
usb: gadget: ncm: Fix handling of zero block length packets
usb: typec: altmodes/displayport: create sysfs nodes as driver's default device attribute group
usb: typec: tpcm: Fix PORT_RESET behavior for self powered devices
usb: typec: ucsi: fix UCSI on SM8550 & SM8650 Qualcomm devices
USB: usb-storage: Prevent divide-by-0 error in isd200_ata_command
thunderbolt: Fix NULL pointer dereference in tb_port_update_credits()
- Fix the PM suspend callback in the STM32 ST32MP257 driver to
properly support suspend.
- Drop an extraneous reference put in the debugfs code, this was
confusing the reference counts and causing unsolicited calls
to __free().
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Merge tag 'pinctrl-v6.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
- Fix the PM suspend callback in the STM32 ST32MP257 driver to properly
support suspend
- Drop an extraneous reference put in the debugfs code, this was
confusing the reference counts and causing unsolicited calls to
__free()
* tag 'pinctrl-v6.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: don't put the reference to GPIO device in pinctrl_pins_show()
pinctrl: stm32: fix PM support for stm32mp257
- a revert of endpoint checks in bcm5974 - the driver is being naughty
and pokes at unclaimed USB interface, so the check fails. We need to
fix the driver to claim both interfaces, and then re-implement the
endpoints check
- a fix to Synaptics RMI driver to avoid UAF on driver unload or device
unbinding
- a few new VID/PIDs added to xpad game controller driver
- a change to gpio_keys_polled driver to quiet it when GPIO causes probe
deferral.
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Merge tag 'input-for-v6.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- a revert of endpoint checks in bcm5974 - the driver is being naughty
and pokes at unclaimed USB interface, so the check fails. We need to
fix the driver to claim both interfaces, and then re-implement the
endpoints check
- a fix to Synaptics RMI driver to avoid UAF on driver unload or device
unbinding
- a few new VID/PIDs added to xpad game controller driver
- a change to gpio_keys_polled driver to quiet it when GPIO causes
probe deferral.
* tag 'input-for-v6.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: synaptics-rmi4 - fix UAF of IRQ domain on driver removal
Input: gpio_keys_polled - suppress deferred probe error for gpio
Revert "Input: bcm5974 - check endpoint type before starting traffic"
Input: xpad - add additional HyperX Controller Identifiers
A collection of small fixes. A half of them are HD-audio quirks while
the rest are various device-specific ASoC fixes.
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Merge tag 'sound-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small fixes. Half of them are HD-audio quirks while
the rest are various device-specific ASoC fixes"
* tag 'sound-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ASoC: wm8962: Fix up incorrect error message in wm8962_set_fll
ASoC: wm8962: Enable both SPKOUTR_ENA and SPKOUTL_ENA in mono mode
ASoC: wm8962: Enable oscillator if selecting WM8962_FLL_OSC
ASoC: dt-bindings: nvidia: Fix 'lge' vendor prefix
ALSA: hda/realtek: fix mute/micmute LEDs for HP EliteBook
ASoC: amd: yc: Add HP Pavilion Aero Laptop 13-be2xxx(8BD6) into DMI quirk table
ASoC: rcar: adg: correct TIMSEL setting for SSI9
ALSA: hda: cs35l41: Overwrite CS35L41 configuration for ASUS UM5302LA
ALSA: hda/realtek: Add quirks for Lenovo Thinkbook 16P laptops
ALSA: hda: cs35l41: Support Lenovo Thinkbook 16P
ALSA: hda/realtek - Add Headset Mic supported Acer NB platform
ALSA: hda: optimize the probe codec process
ALSA: hda/realtek - Fix headset Mic no show at resume back for Lenovo ALC897 platform
ASoC: Intel: bytcr_rt5640: Add an extra entry for the Chuwi Vi8 tablet
ASoC: madera: Fix typo in madera_set_fll_clks shift value
MAINTAINERS
- update email address
core:
- fix polling in certain configurations
buddy:
- fix kunit test warning
panel:
- boe-tv101wum-nl6: timing tuning fixes
i915:
- Fix to extract HDCP information from primary connector
- Check for NULL mmu_interval_notifier before removing
- Fix for #10184: Kernel crash on UHD Graphics 730 (Cc stable)
- Fix for #10284: Boot delay regresion with PSR
- Fix DP connector DSC HW state readout
- Selftest fix to convert msecs to jiffies
xe:
- error path fix
amdgpu:
- SMU14 fix
- Fix possible NULL pointer
- VRR fix
- pwm fix
nouveau:
- fix deadlock in new ioctls fail path
- fix missing locking around object rbtree
udl:
- apply and revert format change
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Merge tag 'drm-fixes-2024-03-08' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Regular fixes (two weeks for i915), scattered across drivers, amdgpu
and i915 being the main ones, with nouveau having a couple of fixes.
One patch got applied for udl, but reverted soon after as the
maintainer has missed some crucial prior discussion.
Seems quiet and normal enough for this stage.
MAINTAINERS
- update email address
core:
- fix polling in certain configurations
buddy:
- fix kunit test warning
panel:
- boe-tv101wum-nl6: timing tuning fixes
i915:
- Fix to extract HDCP information from primary connector
- Check for NULL mmu_interval_notifier before removing
- Fix for #10184: Kernel crash on UHD Graphics 730 (Cc stable)
- Fix for #10284: Boot delay regresion with PSR
- Fix DP connector DSC HW state readout
- Selftest fix to convert msecs to jiffies
xe:
- error path fix
amdgpu:
- SMU14 fix
- Fix possible NULL pointer
- VRR fix
- pwm fix
nouveau:
- fix deadlock in new ioctls fail path
- fix missing locking around object rbtree
udl:
- apply and revert format change"
* tag 'drm-fixes-2024-03-08' of https://gitlab.freedesktop.org/drm/kernel: (21 commits)
nouveau: lock the client object tree.
drm/tests/buddy: fix print format
drm/xe: Return immediately on tile_init failure
drm/amdgpu/pm: Fix the error of pwm1_enable setting
drm/amd/display: handle range offsets in VRR ranges
drm/amd/display: check dc_link before dereferencing
drm/amd/swsmu: modify the gfx activity scaling
Revert "drm/udl: Add ARGB8888 as a format"
drm/i915/panelreplay: Move out psr_init_dpcd() from init_connector()
drm/i915/dp: Fix connector DSC HW state readout
drm/i915/selftests: Fix dependency of some timeouts on HZ
drm/udl: Add ARGB8888 as a format
drm/nouveau: fix stale locked mutex in nouveau_gem_ioctl_pushbuf
drm/i915: Don't explode when the dig port we don't have an AUX CH
MAINTAINERS: Update email address for Tvrtko Ursulin
drm/panel: boe-tv101wum-nl6: Fine tune Himax83102-j02 panel HFP and HBP (again)
drm: Fix output poll work for drm_kms_helper_poll=n
drm/i915: Check before removing mm notifier
drm/i915/hdcp: Extract hdcp structure from correct connector
drm/i915/hdcp: Remove additional timing for reading mst hdcp message
...
When the i2c error condition occurred and master state was not
idle, the master irq function will goto complete state without any
other interrupt handling. It would cause dummy irq expected print.
Under this condition, assign the irq_status into irq_handle.
For example, when the abnormal start / stop occurred (bit 5) with
normal stop status (bit 4) at same time. Then the normal stop status
would not be handled and it would cause irq expected print in
the aspeed_i2c_bus_irq.
...
aspeed-i2c-bus x. i2c-bus: irq handled != irq.
Expected 0x00000030, but was 0x00000020
...
Fixes: 3e9efc3299 ("i2c: aspeed: Handle master/slave combined irq events properly")
Cc: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
Signed-off-by: Tommy Huang <tommy_huang@aspeedtech.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
wmt_i2c_reset_hardware() calls clk_prepare_enable(). So, should an error
occur after it, it should be undone by a corresponding
clk_disable_unprepare() call, as already done in the remove function.
Fixes: 560746eb79 ("i2c: vt8500: Add support for I2C bus on Wondermedia SoCs")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
If registering the platform device fails, the lookup table is
removed in the error path. On module removal we would try to
remove the lookup table again. Fix this by setting priv->lookup
only if registering the platform device was successful.
In addition free the memory allocated for the lookup table in
the error path.
Fixes: d308dfbf62 ("i2c: mux/i801: Switch to use descriptor passing")
Cc: stable@vger.kernel.org
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
i801_probe_optional_slaves() is called before i801_add_mux().
This results in mux_pdev being checked before it's set by
i801_add_mux(). Fix this by changing the order of the calls.
I consider this safe as I see no dependencies.
Fixes: 80e56b86b5 ("i2c: i801: Simplify class-based client device instantiation")
Cc: stable@vger.kernel.org
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Some more driver specific fixes for v6.8, plus one new x86 platform
quirk. All good fixes to have if you have systems that use the relevant
hardware.
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Merge tag 'asoc-fix-v6.8-rc7' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.8
Some more driver specific fixes for v6.8, plus one new x86 platform
quirk. All good fixes to have if you have systems that use the relevant
hardware.
panel, a deadlock fix for nouveau, A controversial format fix for udl
that got reverted to allow further discussion, and a build fix for the
drm/buddy kunit tests.
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Merge tag 'drm-misc-fixes-2024-03-07' of https://anongit.freedesktop.org/git/drm/drm-misc into drm-fixes
A connector status polling fix, a timings fix for the Himax83102-j02
panel, a deadlock fix for nouveau, A controversial format fix for udl
that got reverted to allow further discussion, and a build fix for the
drm/buddy kunit tests.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240307-quizzical-auburn-starling-0ade8f@houat
issues or aren't considered to be needed in earlier kernel versions.
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Merge tag 'mm-hotfixes-stable-2024-03-07-16-17' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"6 hotfixes. 4 are cc:stable and the remainder pertain to post-6.7
issues or aren't considered to be needed in earlier kernel versions"
* tag 'mm-hotfixes-stable-2024-03-07-16-17' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
scripts/gdb/symbols: fix invalid escape sequence warning
mailmap: fix Kishon's email
init/Kconfig: lower GCC version check for -Warray-bounds
mm, mmap: fix vma_merge() case 7 with vma_ops->close
mm: userfaultfd: fix unexpected change to src_folio when UFFDIO_MOVE fails
mm, vmscan: prevent infinite loop for costly GFP_NOIO | __GFP_RETRY_MAYFAIL allocations
Calling irq_domain_remove() will lead to freeing the IRQ domain
prematurely. The domain is still referenced and will be attempted to get
used via rmi_free_function_list() -> rmi_unregister_function() ->
irq_dispose_mapping() -> irq_get_irq_data()'s ->domain pointer.
With PaX's MEMORY_SANITIZE this will lead to an access fault when
attempting to dereference embedded pointers, as in Torsten's report that
was faulting on the 'domain->ops->unmap' test.
Fix this by releasing the IRQ domain only after all related IRQs have
been deactivated.
Fixes: 24d28e4f12 ("Input: synaptics-rmi4 - convert irq distribution to irq_domain")
Reported-by: Torsten Hilbrich <torsten.hilbrich@secunet.com>
Signed-off-by: Mathias Krause <minipli@grsecurity.net>
Link: https://lore.kernel.org/r/20240222142654.856566-1-minipli@grsecurity.net
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
One small fix for the newly added cs42l43 driver which would have caused
it problems working in some system configurations by needlessly
restricting chip select configurations.
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Merge tag 'spi-fix-v6.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fix from Mark Brown:
"One small fix for the newly added cs42l43 driver which would have
caused it problems working in some system configurations by needlessly
restricting chip select configurations"
* tag 'spi-fix-v6.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: cs42l43: Don't limit native CS to the first chip select
A couple of small fixes for the rk808 driver, the regulator voltage
configurations were incorrectly described. The changes are not expected
to have practical impact but given that we're dealing with power it's
generally better to follow the hardware specification as closely as we
can to avoid unexpected stresses.
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Merge tag 'regulator-fix-v6.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"A couple of small fixes for the rk808 driver, the regulator voltage
configurations were incorrectly described.
The changes are not expected to have practical impact but given that
we're dealing with power it's generally better to follow the hardware
specification as closely as we can to avoid unexpected stresses"
* tag 'regulator-fix-v6.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: rk808: fix LDO range on RK806
regulator: rk808: fix buck range on RK806
- Fix recursive kprobes regression when probing the stack unwinder
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fix from Will Deacon:
"A lonely arm64 fix addressing a kprobes regression that we introduced
during the merge window:
- Fix recursive kprobes regression when probing the stack unwinder"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: prohibit probing on arch_kunwind_consume_entry()
- Fix a KMSAN uninit-value issue triggered by a crafted image;
- Fix VMA alignment for memory mapped files on THP.
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Merge tag 'erofs-for-6.8-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs fixes from Gao Xiang:
"The main one is a KMSAN fix which addresses an issue introduced in
this cycle so it'd be much better to fix before releasing, and the
remaining one fixes VMA alignment for THP.
Summary:
- Fix a KMSAN uninit-value issue triggered by a crafted image
- Fix VMA alignment for memory mapped files on THP"
* tag 'erofs-for-6.8-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: apply proper VMA alignment for memory mapped files on THP
erofs: fix uninitialized page cache reported by KMSAN
No solution yet for the stmmac issue mentioned in the last PR,
but it proved to be a lockdep false positive, not a blocker.
Current release - regressions:
- dpll: move all dpll<>netdev helpers to dpll code, fix build
regression with old compilers
Current release - new code bugs:
- page_pool: fix netlink dump stop/resume
Previous releases - regressions:
- bpf: fix verifier to check bpf_func_state->callback_depth when pruning
states as otherwise unsafe programs could get accepted
- ipv6: avoid possible UAF in ip6_route_mpath_notify()
- ice: reconfig host after changing MSI-X on VF
- mlx5:
- e-switch, change flow rule destination checking
- add a memory barrier to prevent a possible null-ptr-deref
- switch to using _bh variant of of spinlock where needed
Previous releases - always broken:
- netfilter: nf_conntrack_h323: add protection for bmp length out of range
- bpf: fix to zero-initialise xdp_rxq_info struct before running XDP
program in CPU map which led to random xdp_md fields
- xfrm: fix UDP encapsulation in TX packet offload
- netrom: fix data-races around sysctls
- ice:
- fix potential NULL pointer dereference in ice_bridge_setlink()
- fix uninitialized dplls mutex usage
- igc: avoid returning frame twice in XDP_REDIRECT
- i40e: disable NAPI right after disabling irqs when handling xsk_pool
- geneve: make sure to pull inner header in geneve_rx()
- sparx5: fix use after free inside sparx5_del_mact_entry
- dsa: microchip: fix register write order in ksz8_ind_write8()
Misc:
- selftests: mptcp: fixes for diag.sh
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.8-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from bpf, ipsec and netfilter.
No solution yet for the stmmac issue mentioned in the last PR, but it
proved to be a lockdep false positive, not a blocker.
Current release - regressions:
- dpll: move all dpll<>netdev helpers to dpll code, fix build
regression with old compilers
Current release - new code bugs:
- page_pool: fix netlink dump stop/resume
Previous releases - regressions:
- bpf: fix verifier to check bpf_func_state->callback_depth when
pruning states as otherwise unsafe programs could get accepted
- ipv6: avoid possible UAF in ip6_route_mpath_notify()
- ice: reconfig host after changing MSI-X on VF
- mlx5:
- e-switch, change flow rule destination checking
- add a memory barrier to prevent a possible null-ptr-deref
- switch to using _bh variant of of spinlock where needed
Previous releases - always broken:
- netfilter: nf_conntrack_h323: add protection for bmp length out of
range
- bpf: fix to zero-initialise xdp_rxq_info struct before running XDP
program in CPU map which led to random xdp_md fields
- xfrm: fix UDP encapsulation in TX packet offload
- netrom: fix data-races around sysctls
- ice:
- fix potential NULL pointer dereference in ice_bridge_setlink()
- fix uninitialized dplls mutex usage
- igc: avoid returning frame twice in XDP_REDIRECT
- i40e: disable NAPI right after disabling irqs when handling
xsk_pool
- geneve: make sure to pull inner header in geneve_rx()
- sparx5: fix use after free inside sparx5_del_mact_entry
- dsa: microchip: fix register write order in ksz8_ind_write8()
Misc:
- selftests: mptcp: fixes for diag.sh"
* tag 'net-6.8-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (63 commits)
net: pds_core: Fix possible double free in error handling path
netrom: Fix data-races around sysctl_net_busy_read
netrom: Fix a data-race around sysctl_netrom_link_fails_count
netrom: Fix a data-race around sysctl_netrom_routing_control
netrom: Fix a data-race around sysctl_netrom_transport_no_activity_timeout
netrom: Fix a data-race around sysctl_netrom_transport_requested_window_size
netrom: Fix a data-race around sysctl_netrom_transport_busy_delay
netrom: Fix a data-race around sysctl_netrom_transport_acknowledge_delay
netrom: Fix a data-race around sysctl_netrom_transport_maximum_tries
netrom: Fix a data-race around sysctl_netrom_transport_timeout
netrom: Fix data-races around sysctl_netrom_network_ttl_initialiser
netrom: Fix a data-race around sysctl_netrom_obsolescence_count_initialiser
netrom: Fix a data-race around sysctl_netrom_default_path_quality
netfilter: nf_conntrack_h323: Add protection for bmp length out of range
netfilter: nf_tables: mark set as dead when unbinding anonymous set with timeout
netfilter: nft_ct: fix l3num expectations with inet pseudo family
netfilter: nf_tables: reject constant set with timeout
netfilter: nf_tables: disallow anonymous set with timeout flag
net/rds: fix WARNING in rds_conn_connect_if_down
net: dsa: microchip: fix register write order in ksz8_ind_write8()
...
The SPI core inconsistently uses the marker value for unused chip select
pin. Define a constant (with appropriate type) and introduce is_valid_cs()
helper function to avoid spreading this inconsistency in the future.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://msgid.link/r/20240307150256.3789138-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
First of all, last_cs_index_mask should be aligned with the original
cs_index_mask, which is 16-bit (for now) wide. Use the same pattern
for the last_cs_index_mask.
Second, last_cs can be negative and since 'char' is equal to 'unsigned
char' in the kernel, it's incorrect, strictly speaking, to assign
signed number to it. Use s8 type as it's done for *_native_cs ones.
With this change, regroup a bit the ordering to avoid too much memory
space to be wasted due to paddings. Shuffle kernel documentation
accordignly.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://msgid.link/r/20240307150256.3789138-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Some of the parts related to the chip select are using BIT() macro
the rest are using plain numbers. Unify all of them to use BIT().
While at it, make the (repetitive) comment clearer when assigning
cs_index_mask during SPI target device enumeration.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://msgid.link/r/20240307150256.3789138-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
When auxiliary_device_add() returns error and then calls
auxiliary_device_uninit(), Callback function pdsc_auxbus_dev_release
calls kfree(padev) to free memory. We shouldn't call kfree(padev)
again in the error handling path.
Fix this by cleaning up the redundant kfree() and putting
the error handling back to where the errors happened.
Fixes: 4569cce43b ("pds_core: add auxiliary_bus devices")
Signed-off-by: Yongzhi Liu <hyperlyzcs@gmail.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Reviewed-by: Shannon Nelson <shannon.nelson@amd.com>
Link: https://lore.kernel.org/r/20240306105714.20597-1-hyperlyzcs@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'nf-24-03-07' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains fixes for net:
Patch #1 disallows anonymous sets with timeout, except for dynamic sets.
Anonymous sets with timeouts using the pipapo set backend makes
no sense from userspace perspective.
Patch #2 rejects constant sets with timeout which has no practical usecase.
This kind of set, once bound, contains elements that expire but
no new elements can be added.
Patch #3 restores custom conntrack expectations with NFPROTO_INET,
from Florian Westphal.
Patch #4 marks rhashtable anonymous set with timeout as dead from the
commit path to avoid that async GC collects these elements. Rules
that refers to the anonymous set get released with no mutex held
from the commit path.
Patch #5 fixes a UBSAN shift overflow in H.323 conntrack helper,
from Lena Wang.
netfilter pull request 24-03-07
* tag 'nf-24-03-07' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nf_conntrack_h323: Add protection for bmp length out of range
netfilter: nf_tables: mark set as dead when unbinding anonymous set with timeout
netfilter: nft_ct: fix l3num expectations with inet pseudo family
netfilter: nf_tables: reject constant set with timeout
netfilter: nf_tables: disallow anonymous set with timeout flag
====================
Link: https://lore.kernel.org/r/20240307021545.149386-1-pablo@netfilter.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
David Lechner