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Pull Intel software guard extension (SGX) updates from Dave Hansen:
"A couple of x86/sgx changes.
The first one is a no-brainer to use the (simple) SHA-256 library.
For the second one, some folks doing testing noticed that SGX systems
under memory pressure were inducing fatal machine checks at pretty
unnerving rates, despite the SGX code having _some_ awareness of
memory poison.
It turns out that the SGX reclaim path was not checking for poison
_and_ it always accesses memory to copy it around. Make sure that
poisoned pages are not reclaimed"
* tag 'x86_sgx_for_6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/sgx: Prevent attempts to reclaim poisoned pages
x86/sgx: Use SHA-256 library API instead of crypto_shash API
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Pull tracing updates from Steven Rostedt:
- Have module addresses get updated in the persistent ring buffer
The addresses of the modules from the previous boot are saved in the
persistent ring buffer. If the same modules are loaded and an address
is in the old buffer points to an address that was both saved in the
persistent ring buffer and is loaded in memory, shift the address to
point to the address that is loaded in memory in the trace event.
- Print function names for irqs off and preempt off callsites
When ignoring the print fmt of a trace event and just printing the
fields directly, have the fields for preempt off and irqs off events
still show the function name (via kallsyms) instead of just showing
the raw address.
- Clean ups of the histogram code
The histogram functions saved over 800 bytes on the stack to process
events as they come in. Instead, create per-cpu buffers that can hold
this information and have a separate location for each context level
(thread, softirq, IRQ and NMI).
Also add some more comments to the code.
- Add "common_comm" field for histograms
Add "common_comm" that uses the current->comm as a field in an event
histogram and acts like any of the other fields of the event.
- Show "subops" in the enabled_functions file
When the function graph infrastructure is used, a subsystem has a
"subops" that it attaches its callback function to. Instead of the
enabled_functions just showing a function calling the function that
calls the subops functions, also show the subops functions that will
get called for that function too.
- Add "copy_trace_marker" option to instances
There are cases where an instance is created for tooling to write
into, but the old tooling has the top level instance hardcoded into
the application. New tools want to consume the data from an instance
and not the top level buffer. By adding a copy_trace_marker option,
whenever the top instance trace_marker is written into, a copy of it
is also written into the instance with this option set. This allows
new tools to read what old tools are writing into the top buffer.
If this option is cleared by the top instance, then what is written
into the trace_marker is not written into the top instance. This is a
way to redirect the trace_marker writes into another instance.
- Have tracepoints created by DECLARE_TRACE() use trace_<name>_tp()
If a tracepoint is created by DECLARE_TRACE() instead of
TRACE_EVENT(), then it will not be exposed via tracefs. Currently
there's no way to differentiate in the kernel the tracepoint
functions between those that are exposed via tracefs or not. A
calling convention has been made manually to append a "_tp" prefix
for events created by DECLARE_TRACE(). Instead of doing this
manually, force it so that all DECLARE_TRACE() events have this
notation.
- Use __string() for task->comm in some sched events
Instead of hardcoding the comm to be TASK_COMM_LEN in some of the
scheduler events use __string() which makes it dynamic. Note, if
these events are parsed by user space it they may break, and the
event may have to be converted back to the hardcoded size.
- Have function graph "depth" be unsigned to the user
Internally to the kernel, the "depth" field of the function graph
event is signed due to -1 being used for end of boundary. What
actually gets recorded in the event itself is zero or positive.
Reflect this to user space by showing "depth" as unsigned int and be
consistent across all events.
- Allow an arbitrary long CPU string to osnoise_cpus_write()
The filtering of which CPUs to write to can exceed 256 bytes. If a
machine has 256 CPUs, and the filter is to filter every other CPU,
the write would take a string larger than 256 bytes. Instead of using
a fixed size buffer on the stack that is 256 bytes, allocate it to
handle what is passed in.
- Stop having ftrace check the per-cpu data "disabled" flag
The "disabled" flag in the data structure passed to most ftrace
functions is checked to know if tracing has been disabled or not.
This flag was added back in 2008 before the ring buffer had its own
way to disable tracing. The "disable" flag is now not always set when
needed, and the ring buffer flag should be used in all locations
where the disabled is needed. Since the "disable" flag is redundant
and incorrect, stop using it. Fix up some locations that use the
"disable" flag to use the ring buffer info.
- Use a new tracer_tracing_disable/enable() instead of data->disable
flag
There's a few cases that set the data->disable flag to stop tracing,
but this flag is not consistently used. It is also an on/off switch
where if a function set it and calls another function that sets it,
the called function may incorrectly enable it.
Use a new trace_tracing_disable() and tracer_tracing_enable() that
uses a counter and can be nested. These use the ring buffer flags
which are always checked making the disabling more consistent.
- Save the trace clock in the persistent ring buffer
Save what clock was used for tracing in the persistent ring buffer
and set it back to that clock after a reboot.
- Remove unused reference to a per CPU data pointer in mmiotrace
functions
- Remove unused buffer_page field from trace_array_cpu structure
- Remove more strncpy() instances
- Other minor clean ups and fixes
* tag 'trace-v6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (36 commits)
tracing: Fix compilation warning on arm32
tracing: Record trace_clock and recover when reboot
tracing/sched: Use __string() instead of fixed lengths for task->comm
tracepoint: Have tracepoints created with DECLARE_TRACE() have _tp suffix
tracing: Cleanup upper_empty() in pid_list
tracing: Allow the top level trace_marker to write into another instances
tracing: Add a helper function to handle the dereference arg in verifier
tracing: Remove unnecessary "goto out" that simply returns ret is trigger code
tracing: Fix error handling in event_trigger_parse()
tracing: Rename event_trigger_alloc() to trigger_data_alloc()
tracing: Replace deprecated strncpy() with strscpy() for stack_trace_filter_buf
tracing: Remove unused buffer_page field from trace_array_cpu structure
tracing: Use atomic_inc_return() for updating "disabled" counter in irqsoff tracer
tracing: Convert the per CPU "disabled" counter to local from atomic
tracing: branch: Use trace_tracing_is_on_cpu() instead of "disabled" field
ring-buffer: Add ring_buffer_record_is_on_cpu()
tracing: Do not use per CPU array_buffer.data->disabled for cpumask
ftrace: Do not disabled function graph based on "disabled" field
tracing: kdb: Use tracer_tracing_on/off() instead of setting per CPU disabled
tracing: Use tracer_tracing_disable() instead of "disabled" field for ftrace_dump_one()
...
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Pull tracing tools updates from Steven Rostedt:
- Set distinctive value for failed tests
When running "make check" that performs tests on rtla the failure is
checked by examining the output. Instead have the tool return an
error status if it exceeds the threadhold.
- Define __NR_sched_setattr for LoongArch
Define __NR_sched_setattr to allow this to build for LoongArch.
- Define _GNU_SOURCE for timerlat_bpf.c
Due to modifications of struct sched_attr in utils.h when _GNU_SOURCE
is not defined, this can cause errors for timerlat_bpf_init() and
breakage in BPF sample collection mode.
* tag 'trace-tools-v6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
rtla: Define _GNU_SOURCE in timerlat_bpf.c
rtla: Define __NR_sched_setattr for LoongArch
rtla: Set distinctive exit value for failed tests
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The 'rseq' and 'set_robust_list' syscalls don't return a pid, so set
errpid for both to false.
Fixes: 0c1019e3463b263a ("perf trace: Mark the 'rseq' arg in the rseq syscall as coming from user space")
Fixes: 1de5b5dcb8353f36 ("perf trace: Mark the 'head' arg in the set_robust_list syscall as coming from user space")
Signed-off-by: Anubhav Shelat <ashelat@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Dapeng Mi <dapeng1.mi@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20250529143334.1469669-2-ashelat@redhat.com
[ Remove explicit .errpid = false, omitting its initialization zeroes it, as noted by Namhyung ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Correct the typo (s/much/must) in the ListArc documentation.
Reported-by: Miguel Ojeda <ojeda@kernel.org>
Closes: https://github.com/Rust-for-Linux/linux/issues/1166
Fixes: a48026315cd7 ("rust: list: add tracking for ListArc")
Signed-off-by: Sylvan Smit <sylvan@sylvansmit.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Link: https://lore.kernel.org/r/20250529162923.434978-1-sylvan@sylvansmit.com
[ Changed tag to "Reported-by" and sorted. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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Add a compile-time check that `*$ptr` is of the type of `$type->$($f)*`.
Rename those placeholders for clarity.
Given the incorrect usage:
> diff --git a/rust/kernel/rbtree.rs b/rust/kernel/rbtree.rs
> index 8d978c896747..6a7089149878 100644
> --- a/rust/kernel/rbtree.rs
> +++ b/rust/kernel/rbtree.rs
> @@ -329,7 +329,7 @@ fn raw_entry(&mut self, key: &K) -> RawEntry<'_, K, V> {
> while !(*child_field_of_parent).is_null() {
> let curr = *child_field_of_parent;
> // SAFETY: All links fields we create are in a `Node<K, V>`.
> - let node = unsafe { container_of!(curr, Node<K, V>, links) };
> + let node = unsafe { container_of!(curr, Node<K, V>, key) };
>
> // SAFETY: `node` is a non-null node so it is valid by the type invariants.
> match key.cmp(unsafe { &(*node).key }) {
this patch produces the compilation error:
> error[E0308]: mismatched types
> --> rust/kernel/lib.rs:220:45
> |
> 220 | $crate::assert_same_type(field_ptr, (&raw const (*container_ptr).$($fields)*).cast_mut());
> | ------------------------ --------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `*mut rb_node`, found `*mut K`
> | | |
> | | expected all arguments to be this `*mut bindings::rb_node` type because they need to match the type of this parameter
> | arguments to this function are incorrect
> |
> ::: rust/kernel/rbtree.rs:270:6
> |
> 270 | impl<K, V> RBTree<K, V>
> | - found this type parameter
> ...
> 332 | let node = unsafe { container_of!(curr, Node<K, V>, key) };
> | ------------------------------------ in this macro invocation
> |
> = note: expected raw pointer `*mut bindings::rb_node`
> found raw pointer `*mut K`
> note: function defined here
> --> rust/kernel/lib.rs:227:8
> |
> 227 | pub fn assert_same_type<T>(_: T, _: T) {}
> | ^^^^^^^^^^^^^^^^ - ---- ---- this parameter needs to match the `*mut bindings::rb_node` type of parameter #1
> | | |
> | | parameter #2 needs to match the `*mut bindings::rb_node` type of this parameter
> | parameter #1 and parameter #2 both reference this parameter `T`
> = note: this error originates in the macro `container_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[ We decided to go with a variation of v1 [1] that became v4, since it
seems like the obvious approach, the error messages seem good enough
and the debug performance should be fine, given the kernel is always
built with -O2.
In the future, we may want to make the helper non-hidden, with
proper documentation, for others to use.
[1] https://lore.kernel.org/rust-for-linux/CANiq72kQWNfSV0KK6qs6oJt+aGdgY=hXg=wJcmK3zYcokY1LNw@mail.gmail.com/
- Miguel ]
Suggested-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/all/CAH5fLgh6gmqGBhPMi2SKn7mCmMWfOSiS0WP5wBuGPYh9ZTAiww@mail.gmail.com/
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Link: https://lore.kernel.org/r/20250529-b4-container-of-type-check-v4-1-bf3a7ad73cec@gmail.com
[ Added intra-doc link. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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ACPICA commit b90d0d65ec97ff8279ad826f4102e0d31c5f662a
I mistakenly replaced strncpy() with memcpy() in commit ebf27765421c
("ACPICA: Replace strncpy() with memcpy()"), not realizing the entire
context behind *why* strncpy() was used.
In this safer implementation of strncpy(), it does not make
sense to use memcpy() only to null-terminate strings passed to
acpi_ut_safe_strncpy() one byte early.
The consequences of doing so are understandably *bad*, as was
evident by the kernel test bot reporting problems [1].
Fixes: ebf27765421c ("ACPICA: Replace strncpy() with memcpy()")
Link: https://lore.kernel.org/all/202505081033.50e45ff4-lkp@intel.com [1]
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202505081033.50e45ff4-lkp@intel.com
Link: https://github.com/acpica/acpica/commit/b90d0d65
Signed-off-by: Ahmed Salem <x0rw3ll@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/12685690.O9o76ZdvQC@rjwysocki.net
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Pull ext2 and isofs updates from Jan Kara:
- isofs fix of handling of particularly formatted Rock Ridge timestamps
- Add deprecation notice about support of DAX in ext2 filesystem driver
* tag 'fs_for_v6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
ext2: Deprecate DAX
isofs: fix Y2038 and Y2156 issues in Rock Ridge TF entry
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Pull fsnotify updates from Jan Kara:
"Two fanotify cleanups and support for watching namespace-owned
filesystems by namespace admins (most useful for being able to watch
for new mounts / unmounts happening within a user namespace)"
* tag 'fsnotify_for_v6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fanotify: support watching filesystems and mounts inside userns
fanotify: remove redundant permission checks
fanotify: Drop use of flex array in fanotify_fh
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Pull x86 platform drivers updates from Ilpo Järvinen:
"The changes are mostly business as usual. Besides pdx86 changes, there
are a few power supply changes needed for related pdx86 features, move
of oxpec driver from hwmon (oxp-sensors) to pdx86, and one FW version
warning to hid-asus.
Highlights:
- alienware-wmi-wmax:
- Add HWMON support
- Add ABI and admin-guide documentation
- Expose GPIO debug methods through debug FS
- Support manual fan control and "custom" thermal profile
- amd/hsmp:
- Add sysfs files to show HSMP telemetry
- Report power readings and limits via hwmon
- amd/isp4: Add AMD ISP platform config for OV05C10
- asus-wmi:
- Refactor Ally suspend/resume to work better with older FW
- hid-asus: check ROG Ally MCU version and warn about old FW versions
- dasharo-acpi:
- Add driver for Dasharo devices supporting fans and temperatures
monitoring
- dell-ddv:
- Expose the battery health and manufacture date to userspace
using power supply extensions
- Implement the battery matching algorithm
- dell-pc:
- Improve error propagation
- Use faux device
- int3472:
- Add delays to avoid GPIO regulator spikes
- Add handshake pin support
- Make regulator supply name configurable and allow registering
more than 1 GPIO regulator
- Map mt9m114 powerdown pin to powerenable
- intel/pmc: Add separate SSRAM Telemetry driver
- intel-uncore-freq: Add attributes to show agent types and die ID
- ISST:
- Support SST-TF revision 2 (allows more cores per bucket)
- Support SST-PP revision 2 (fabric 1 frequencies)
- Remove unnecessary SST MSRs restore (the package retains MSRs
despite CPU offlining)
- mellanox: Add support for SN2201, SN4280, SN5610, and SN5640
- mellanox: mlxbf-pmc: Support additional PMC blocks
- oxpec:
- Add OneXFly variants
- Add support for charge limit, charge thresholds, and turbo LED
- Distinguish current X1 variants to avoid unwanted matching to
new variants
- Follow hwmon conventions
- Move from hwmon/oxp-sensors to platform/x86 to match the
enlarged scope
- power supply:
- Add inhibit-charge-awake (needed by oxpec)
- Add additional battery health status values ("blown fuse" and
"cell imbalance") (needed by dell-ddv)
- powerwell-ec: Add driver for Portwell EC supporting GPIO and watchdog
- thinkpad-acpi: Support camera shutter switch hotkey
- tuxedo: Add virtual LampArray for TUXEDO NB04 devices
- tools/power/x86/intel-speed-select:
- Support displaying SST-PP revision 2 fields
- Skip uncore frequency update on newer generations of CPUs
- Miscellaneous cleanups / refactoring / improvements"
* tag 'platform-drivers-x86-v6.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (112 commits)
thermal/drivers/acerhdf: Constify struct thermal_zone_device_ops
platform/x86/amd/hsmp: fix building with CONFIG_HWMON=m
platform/x86: asus-wmi: fix build without CONFIG_SUSPEND
docs: ABI: Fix "aassociated" to "associated"
platform/x86: Add AMD ISP platform config for OV05C10
Documentation: admin-guide: pm: Add documentation for die_id
platform/x86/intel-uncore-freq: Add attributes to show die_id
platform/x86/intel: power-domains: Add interface to get Linux die ID
Documentation: admin-guide: pm: Add documentation for agent_types
platform/x86/intel-uncore-freq: Add attributes to show agent types
platform/x86/tuxedo: Prevent invalid Kconfig state
platform/x86: dell-ddv: Expose the battery health to userspace
platform/x86: dell-ddv: Expose the battery manufacture date to userspace
platform/x86: dell-ddv: Implement the battery matching algorithm
power: supply: core: Add additional health status values
platform/x86/amd/hsmp: acpi: Add sysfs files to display HSMP telemetry
platform/x86/amd/hsmp: Report power via hwmon sensors
platform/x86/amd/hsmp: Use a single DRIVER_VERSION for all hsmp modules
platform/mellanox: mlxreg-dpu: Fix smatch warnings
platform: mellanox: nvsw-sn2200: Fix .items in nvsw_sn2201_busbar_hotplug
...
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Pull driver core updates from Greg KH:
"Here are the driver core / kernfs changes for 6.16-rc1.
Not a huge number of changes this development cycle, here's the
summary of what is included in here:
- kernfs locking tweaks, pushing some global locks down into a per-fs
image lock
- rust driver core and pci device bindings added for new features.
- sysfs const work for bin_attributes.
The final churn of switching away from and removing the
transitional struct members, "read_new", "write_new" and
"bin_attrs_new" will come after the merge window to avoid
unnecesary merge conflicts.
- auxbus device creation helpers added
- fauxbus fix for creating sysfs files after the probe completed
properly
- other tiny updates for driver core things.
All of these have been in linux-next for over a week with no reported
issues"
* tag 'driver-core-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core:
kernfs: Relax constraint in draining guard
Documentation: embargoed-hardware-issues.rst: Remove myself
drivers: hv: fix up const issue with vmbus_chan_bin_attrs
firmware_loader: use SHA-256 library API instead of crypto_shash API
docs: debugfs: do not recommend debugfs_remove_recursive
PM: wakeup: Do not expose 4 device wakeup source APIs
kernfs: switch global kernfs_rename_lock to per-fs lock
kernfs: switch global kernfs_idr_lock to per-fs lock
driver core: auxiliary bus: Fix IS_ERR() vs NULL mixup in __devm_auxiliary_device_create()
sysfs: constify attribute_group::bin_attrs
sysfs: constify bin_attribute argument of bin_attribute::read/write()
software node: Correct a OOB check in software_node_get_reference_args()
devres: simplify devm_kstrdup() using devm_kmemdup()
platform: replace magic number with macro PLATFORM_DEVID_NONE
component: do not try to unbind unbound components
driver core: auxiliary bus: add device creation helpers
driver core: faux: Add sysfs groups after probing
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On the SoCFPGA platform, the INTTEST register supports only 16-bit writes.
A 32-bit write triggers an SError to the CPU so do 16-bit accesses only.
[ bp: AI-massage the commit message. ]
Fixes: c7b4be8db8bc ("EDAC, altera: Add Arria10 OCRAM ECC support")
Signed-off-by: Niravkumar L Rabara <niravkumar.l.rabara@intel.com>
Signed-off-by: Matthew Gerlach <matthew.gerlach@altera.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Dinh Nguyen <dinguyen@kernel.org>
Cc: stable@kernel.org
Link: https://lore.kernel.org/20250527145707.25458-1-matthew.gerlach@altera.com
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Revert commit 96040f7273e2 ("x86/smp: Eliminate mwait_play_dead_cpuid_hint()")
because it introduced a significant power regression on systems that
start with "nosmt" in the kernel command line.
Namely, on such systems, SMT siblings permanently go offline early,
when cpuidle has not been initialized yet, so after the above commit,
hlt_play_dead() is called for them. Later on, when the processor
attempts to enter a deep package C-state, including PC10 which is
requisite for reaching minimum power in suspend-to-idle, it is not
able to do that because of the SMT siblings staying in C1 (which
they have been put into by HLT).
As a result, the idle power (including power in suspend-to-idle)
rises quite dramatically on those systems with all of the possible
consequences, which (needless to say) may not be expected by their
users.
This issue is hard to debug and potentially dangerous, so it needs to
be addressed as soon as possible in a way that will work for 6.15.y,
hence the revert.
Of course, after this revert, the issue that commit 96040f7273e2
attempted to address will be back and it will need to be fixed again
later.
Fixes: 96040f7273e2 ("x86/smp: Eliminate mwait_play_dead_cpuid_hint()")
Reported-by: Todd Brandt <todd.e.brandt@linux.intel.com>
Tested-by: Todd Brandt <todd.e.brandt@linux.intel.com>
Cc: 6.15+ <stable@vger.kernel.org> # 6.15+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://patch.msgid.link/12674167.O9o76ZdvQC@rjwysocki.net
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Pull devicetree updates from Rob Herring:
"DT Bindings:
- Convert all remaining interrupt-controller bindings to DT schema
- Convert Rockchip CDN-DP and Freescale TCON, M4IF, TigerP, LDB, PPC
PMC, imx-drm, and ftm-quaddec to DT schema
- Add bindings for fsl,vf610-pit, fsl,ls1021a-wdt, sgx,vz89te,
maxim,max30208, ti,lp8864, and fairphone,fp5-sndcard
- Add top-level constraints for renesas,vsp1 and renesas,fcp
- Add missing constraint in amlogic,pinctrl-a4 'group' nodes
- Adjust the allowed properties for dwc3-xilinx, sony,imx219,
pci-iommu, and renesas,dsi
- Add EcoNet vendor prefix
- Fix the reserved-memory.yaml in fsl,qman-fqd
- Drop obsolete numa.txt and cpu-topology.txt which are schemas in
dtschema now
- Drop Renesas RZ/N1S bindings
- Ensure Arm cpu nodes don't allow undocumented properties. Add all
the properties which are in use and undocumented. Drop the Mediatek
cpufreq binding which is not a binding, but just what DT properties
the driver uses.
- Add compatibles for Renesas RZ/G3E and RZ/V2N Mali Bifrost GPU
- Update documentation on defining child nodes with separate schemas
- Add bindings to PSCI MAINTAINERS entry
DT core:
- Add new functions to simplify driver handling of 'memory-region'
properties. Users to be added next cycle.
- Simplify of_dma_set_restricted_buffer() to use
of_for_each_phandle()
- Add missing unlock on error in unittest_data_add()"
* tag 'devicetree-for-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (87 commits)
dt-bindings: timer: Add fsl,vf610-pit.yaml
dt-bindings: gpu: mali-bifrost: Add compatible for RZ/G3E SoC
ASoC: dt-bindings: qcom,sm8250: Add Fairphone 5 sound card
dt-bindings: arm/cpus: Allow 2 power-domains entries
dt-bindings: usb: dwc3-xilinx: allow dma-coherent
media: dt-bindings: sony,imx219: Allow props from video-interface-devices
dt-bindings: soundwire: qcom: Document v2.1.0 version of IP block
dt-bindings: watchdog: fsl-imx-wdt: add compatible string fsl,ls1021a-wdt
dt-bindings: pinctrl: amlogic,pinctrl-a4: Add missing constraint on allowed 'group' node properties
dt-bindings: display: rockchip: Convert cdn-dp-rockchip.txt to yaml
dt-bindings: display: bridge: renesas,dsi: allow properties from dsi-controller
dt-bindings: trivial-devices: Add VZ89TE to trivial
media: dt-bindings: renesas,vsp1: add top-level constraints
media: dt-bindings: renesas,fcp: add top-level constraints
dt-bindings: trivial-devices: Add Maxim max30208
dt-bindings: soc: fsl,qman-fqd: Fix reserved-memory.yaml reference
dt-bindings: interrupt-controller: Convert ti,omap-intc-irq to DT schema
dt-bindings: interrupt-controller: Convert ti,omap4-wugen-mpu to DT schema
dt-bindings: interrupt-controller: Convert ti,keystone-irq to DT schema
dt-bindings: interrupt-controller: Convert technologic,ts4800-irqc to DT schema
...
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Pull virtio updates from Michael Tsirkin:
- A new virtio RTC driver
- vhost scsi now logs write descriptors so migration works
- Some hardening work in virtio core
- An old spec compliance issue fixed in vhost net
- A couple of cleanups, fixes in vringh, virtio-pci, vdpa
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio: reject shm region if length is zero
virtio_rtc: Add RTC class driver
virtio_rtc: Add Arm Generic Timer cross-timestamping
virtio_rtc: Add PTP clocks
virtio_rtc: Add module and driver core
vringh: use bvec_kmap_local
vhost: vringh: Use matching allocation type in resize_iovec()
virtio-pci: Fix result size returned for the admin command completion
vdpa/octeon_ep: Control PCI dev enabling manually
vhost-scsi: log event queue write descriptors
vhost-scsi: log control queue write descriptors
vhost-scsi: log I/O queue write descriptors
vhost-scsi: adjust vhost_scsi_get_desc() to log vring descriptors
vhost: modify vhost_log_write() for broader users
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Pull kvm updates from Paolo Bonzini:
"As far as x86 goes this pull request "only" includes TDX host support.
Quotes are appropriate because (at 6k lines and 100+ commits) it is
much bigger than the rest, which will come later this week and
consists mostly of bugfixes and selftests. s390 changes will also come
in the second batch.
ARM:
- Add large stage-2 mapping (THP) support for non-protected guests
when pKVM is enabled, clawing back some performance.
- Enable nested virtualisation support on systems that support it,
though it is disabled by default.
- Add UBSAN support to the standalone EL2 object used in nVHE/hVHE
and protected modes.
- Large rework of the way KVM tracks architecture features and links
them with the effects of control bits. While this has no functional
impact, it ensures correctness of emulation (the data is
automatically extracted from the published JSON files), and helps
dealing with the evolution of the architecture.
- Significant changes to the way pKVM tracks ownership of pages,
avoiding page table walks by storing the state in the hypervisor's
vmemmap. This in turn enables the THP support described above.
- New selftest checking the pKVM ownership transition rules
- Fixes for FEAT_MTE_ASYNC being accidentally advertised to guests
even if the host didn't have it.
- Fixes for the address translation emulation, which happened to be
rather buggy in some specific contexts.
- Fixes for the PMU emulation in NV contexts, decoupling PMCR_EL0.N
from the number of counters exposed to a guest and addressing a
number of issues in the process.
- Add a new selftest for the SVE host state being corrupted by a
guest.
- Keep HCR_EL2.xMO set at all times for systems running with the
kernel at EL2, ensuring that the window for interrupts is slightly
bigger, and avoiding a pretty bad erratum on the AmpereOne HW.
- Add workaround for AmpereOne's erratum AC04_CPU_23, which suffers
from a pretty bad case of TLB corruption unless accesses to HCR_EL2
are heavily synchronised.
- Add a per-VM, per-ITS debugfs entry to dump the state of the ITS
tables in a human-friendly fashion.
- and the usual random cleanups.
LoongArch:
- Don't flush tlb if the host supports hardware page table walks.
- Add KVM selftests support.
RISC-V:
- Add vector registers to get-reg-list selftest
- VCPU reset related improvements
- Remove scounteren initialization from VCPU reset
- Support VCPU reset from userspace using set_mpstate() ioctl
x86:
- Initial support for TDX in KVM.
This finally makes it possible to use the TDX module to run
confidential guests on Intel processors. This is quite a large
series, including support for private page tables (managed by the
TDX module and mirrored in KVM for efficiency), forwarding some
TDVMCALLs to userspace, and handling several special VM exits from
the TDX module.
This has been in the works for literally years and it's not really
possible to describe everything here, so I'll defer to the various
merge commits up to and including commit 7bcf7246c42a ('Merge
branch 'kvm-tdx-finish-initial' into HEAD')"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (248 commits)
x86/tdx: mark tdh_vp_enter() as __flatten
Documentation: virt/kvm: remove unreferenced footnote
RISC-V: KVM: lock the correct mp_state during reset
KVM: arm64: Fix documentation for vgic_its_iter_next()
KVM: arm64: np-guest CMOs with PMD_SIZE fixmap
KVM: arm64: Stage-2 huge mappings for np-guests
KVM: arm64: Add a range to pkvm_mappings
KVM: arm64: Convert pkvm_mappings to interval tree
KVM: arm64: Add a range to __pkvm_host_test_clear_young_guest()
KVM: arm64: Add a range to __pkvm_host_wrprotect_guest()
KVM: arm64: Add a range to __pkvm_host_unshare_guest()
KVM: arm64: Add a range to __pkvm_host_share_guest()
KVM: arm64: Introduce for_each_hyp_page
KVM: arm64: Handle huge mappings for np-guest CMOs
KVM: arm64: nv: Release faulted-in VNCR page from mmu_lock critical section
KVM: arm64: nv: Handle TLBI S1E2 for VNCR invalidation with mmu_lock held
KVM: arm64: nv: Hold mmu_lock when invalidating VNCR SW-TLB before translating
RISC-V: KVM: add KVM_CAP_RISCV_MP_STATE_RESET
RISC-V: KVM: Remove scounteren initialization
KVM: RISC-V: remove unnecessary SBI reset state
...
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Pull IPE update from Fan Wu:
"A single commit from Jasjiv Singh, that adds an errno field to IPE
policy load auditing to log failures with error details, not just
successes.
This improves the security audit trail and helps diagnose policy
deployment issues"
* tag 'ipe-pr-20250527' of git://git.kernel.org/pub/scm/linux/kernel/git/wufan/ipe:
ipe: add errno field to IPE policy load auditing
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Currently, the child device for the clock controller inside the APCS block
is created without any OF node assigned, so the drivers need to rely on the
parent device for obtaining any resources.
Add support for defining the clock controller inside a "clock-controller"
subnode to break up circular dependencies between the mailbox and required
parent clocks of the clock controller. For backwards compatibility, if the
subnode is not defined, reuse the OF node from the parent device.
Signed-off-by: Stephan Gerhold <stephan.gerhold@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
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APCS "global" is sort of a "miscellaneous" hardware block that combines
multiple registers inside the application processor subsystem. Two distinct
use cases are currently stuffed together in a single device tree node:
- Mailbox: to communicate with other remoteprocs in the system.
- Clock: for controlling the CPU frequency.
These two use cases have unavoidable circular dependencies: the mailbox is
needed as early as possible during boot to start controlling shared
resources like clocks and power domains, while the clock controller needs
one of these shared clocks as its parent. Currently, there is no way to
distinguish these two use cases for generic mechanisms like fw_devlink.
This is currently blocking conversion of the deprecated custom "qcom,ipc"
properties to the standard "mboxes", see e.g. commit d92e9ea2f0f9
("arm64: dts: qcom: msm8939: revert use of APCS mbox for RPM"):
1. remoteproc &rpm needs mboxes = <&apcs1_mbox 8>;
2. The clock controller inside &apcs1_mbox needs
clocks = <&rpmcc RPM_SMD_XO_CLK_SRC>.
3. &rpmcc is a child of remoteproc &rpm
The mailbox itself does not need any clocks and should probe early to
unblock the rest of the boot process. The "clocks" are only needed for the
separate clock controller. In Linux, these are already two separate drivers
that can probe independently.
Break up the circular dependency chain in the device tree by separating the
clock controller into a separate child node. Deprecate the old approach of
specifying the clock properties as part of the root node, but keep them for
backwards compatibility.
Signed-off-by: Stephan Gerhold <stephan.gerhold@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
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For simulation C models that don't run CP FW where adev->mes.sched_version
is not populated correctly. This causes NULL dereference in
amdgpu_amdkfd_free_gtt_mem(dev->adev, (void **)&pqn->q->wptr_bo_gart)
and warning on unpinned BO in amdgpu_bo_gpu_offset(q->properties.wptr_bo).
Compared with adding version check here and there,
always map wptr BO to GART simplifies things.
v2: Add NULL check in amdgpu_amdkfd_free_gtt_mem.(Philip)
Signed-off-by: Lang Yu <lang.yu@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Nothing uses them so remove them. Leftover from
MES bring up.
Reviewed-by: Michael Chen <michael.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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We need to take the MES lock.
Reviewed-by: Michael Chen <michael.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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For supported ASICs DMCU version is exported, but ASICs that support
DMCUB there is no information exported to sysfs.
Add an attribute for DMCUB.
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Link: https://lore.kernel.org/r/20250527155942.476354-1-mario.limonciello@amd.com
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Enable static metrics support to fetch board voltage and pldm version
for smu_v13_0_14
Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Enable static metrics support to fetch board voltage and pldm version
for other smu_v13_0_6 program
Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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'struct timing_generator_funcs' are not modified in these drivers.
Constifying these structures moves some data to a read-only section, so
increases overall security, especially when the structure holds some
function pointers.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The function mod_hdcp_hdcp1_enable_encryption() calls the function
get_first_active_display(), but does not check its return value.
The return value is a null pointer if the display list is empty.
This will lead to a null pointer dereference in
mod_hdcp_hdcp2_enable_encryption().
Add a null pointer check for get_first_active_display() and return
MOD_HDCP_STATUS_DISPLAY_NOT_FOUND if the function return null.
Fixes: 2deade5ede56 ("drm/amd/display: Remove hdcp display state with mst fix")
Signed-off-by: Wentao Liang <vulab@iscas.ac.cn>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # v5.8
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after getting mca address for old eeprom records with 'address==0', it can be
correctly parsed under none-nps1, or it will be dropped.
Signed-off-by: ganglxie <ganglxie@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Get MCA address from PA in nps1, then convert MCA address to PA in specific nps
mode.
Signed-off-by: ganglxie <ganglxie@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This patch is to fix a kfd_prcess ref leak.
Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Reviewed-by: Philip Yang <Philip.Yang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Add userq fence support to SDMAv6.0
Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This patch removes the if/else statement in the
cik_event_interrupt_wq function because it is redundant
with both branches resulting in identical outcomes,
this improves code readibility.
Signed-off-by: Sunday Clement <Sunday.Clement@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Optimize get gpu metrics data function for smu_v13_0_12 to
allocate metrics structure only once
v2: Free and alloc moved to same function(Kevin)
Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The drm_mm allocator tolerated being passed end > mm->size, but the
drm_buddy allocator does not.
Restore the pre-buddy-allocator behavior of allowing such placements.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3448
Signed-off-by: John Olender <john.olender@gmail.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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The addition of register read-back in VCN v5.0.1 is intended to prevent
potential race conditions.
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The addition of register read-back in VCN v5.0.0 is intended to prevent
potential race conditions.
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The addition of register read-back in VCN v4.0.5 is intended to prevent
potential race conditions.
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The addition of register read-back in VCN v4.0.3 is intended to prevent
potential race conditions.
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
The addition of register read-back in VCN v4.0.0 is intended to prevent
potential race conditions.
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The addition of register read-back in VCN v3.0 is intended to prevent
potential race conditions.
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The addition of register read-back in VCN v2.5 is intended to prevent
potential race conditions.
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The addition of register read-back in VCN v2.0 is intended to prevent
potential race conditions.
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This reverts commit 50f29ead1f1ba48983b6c5e3813b15e497714f55.
Reason for revert: cause corruption on Dell U3224KB DP2 display.
Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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V3: drop changes where readbacks have implemented. This patch set
is to add readbacks only.
V2: use common register UVD_STATUS for readback (standard PCI MMIO
behavior, i.e. readback post all writes to let the writes hit
the hardware)
add readback in ..._stop() for more coverage.
Similar to the changes made for VCN v4.0.5 where readback to post the
writes to avoid race with the doorbell, the addition of register
readback support in other VCN versions is intended to prevent potential
race conditions, even though such issues have not been observed yet.
This change ensures consistency across different VCN variants and helps
avoid similar issues. The overhead introduced is negligible.
Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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FAMS is the successor to SubVP starting with DCN4x. Reuse the same
debug option to disable FAMS for debugging purposes.
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This reverts commit cfb2d41831ee5647a4ae0ea7c24971a92d5dfa0d since it
causes regressions on certain configs. Revert until the issue can be
isolated and debugged.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4238
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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When running these commands on DUT (and similar at the other end)
ip link set dev eth0 up
ip link add link eth0 name eth0.10 type vlan id 10
ip addr add 10.0.0.1/24 dev eth0.10
ip link set dev eth0.10 up
ping 10.0.0.2
The ping will fail.
The reason why is failing is because, the network interfaces for lan966x
have a flag saying that the HW can insert the vlan tags into the
frames(NETIF_F_HW_VLAN_CTAG_TX). Meaning that the frames that are
transmitted don't have the vlan tag inside the skb data, but they have
it inside the skb. We already get that vlan tag and put it in the IFH
but the problem is that we don't configure the HW to rewrite the frame
when the interface is in host mode.
The fix consists in actually configuring the HW to insert the vlan tag
if it is different than 0.
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Fixes: 6d2c186afa5d ("net: lan966x: Add vlan support.")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Link: https://patch.msgid.link/20250528093619.3738998-1-horatiu.vultur@microchip.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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commit 083466754596 ("cpufreq: ACPI: Fix max-frequency computation")
modified get_max_boost_ratio() to return the nominal_freq advertised
in the _CPC object. This was for the purposes of computing the maximum
frequency. The frequencies advertised in _CPC objects are in
MHz. However, cpufreq expects the frequency to be in KHz. Since the
nominal_freq returned by get_max_boost_ratio() was not in KHz but
instead in MHz,the cpuinfo_max_frequency that was computed using this
nominal_freq was incorrect and an invalid value which resulted in
cpufreq reporting the P0 frequency as the cpuinfo_max_freq.
Fix this by converting the nominal_freq to KHz before returning the
same from get_max_boost_ratio().
Reported-by: Manu Bretelle <chantr4@gmail.com>
Closes: https://lore.kernel.org/lkml/aDaB63tDvbdcV0cg@HQ-GR2X1W2P57/
Fixes: 083466754596 ("cpufreq: ACPI: Fix max-frequency computation")
Signed-off-by: Gautham R. Shenoy <gautham.shenoy@amd.com>
Cc: 6.14+ <stable@vger.kernel.org> # 6.14+
Link: https://patch.msgid.link/20250529085143.709-1-gautham.shenoy@amd.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The function rb_allocate_pages() allocates cpu_buffer and on error needs
to free it. It has a single return. Use __free(kfree) and return directly
on errors and have the return use return_ptr(cpu_buffer).
The function alloc_buffer() allocates buffer and on error needs to free
it. It has a single return. Use __free(kfree) and return directly on
errors and have the return use return_ptr(buffer).
The function __rb_map_vma() allocates a temporary array "pages". Have it
use __free() and not worry about freeing it when returning.
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://lore.kernel.org/20250527143144.6edc4625@gandalf.local.home
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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Convert the taking of the buffer->mutex and the cpu_buffer->mapping_lock
over to guard(mutex) and simplify the ring_buffer_map() and
ring_buffer_unmap() functions.
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Vincent Donnefort <vdonnefort@google.com>
Link: https://lore.kernel.org/20250527122009.267efb72@gandalf.local.home
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
|
Linus Torvalds
Anubhav Shelat
Sylvan Smit
Tamir Duberstein
Ahmed Salem
Niravkumar L Rabara
Rafael J. Wysocki
Stephan Gerhold
Lang Yu
Alex Deucher
Mario Limonciello
Asad Kamal
Christophe JAILLET
Wentao Liang
ganglxie
Yifan Zhang
Arunpravin Paneer Selvam
Sunday Clement
John Olender
David (Ming Qiang) Wu
Fangzhi Zuo
Aurabindo Pillai
Horatiu Vultur
Gautham R. Shenoy
Steven Rostedt