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1,105,034 commits
| Author | SHA1 | Message | Date | |
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Dietmar Eggemann
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9b340131a4 |
sched/fair: Use the same cpumask per-PD throughout find_energy_efficient_cpu()
The Perf Domain (PD) cpumask (struct em_perf_domain.cpus) stays invariant after Energy Model creation, i.e. it is not updated after CPU hotplug operations. That's why the PD mask is used in conjunction with the cpu_online_mask (or Sched Domain cpumask). Thereby the cpu_online_mask is fetched multiple times (in compute_energy()) during a run-queue selection for a task. cpu_online_mask may change during this time which can lead to wrong energy calculations. To be able to avoid this, use the select_rq_mask per-cpu cpumask to create a cpumask out of PD cpumask and cpu_online_mask and pass it through the function calls of the EAS run-queue selection path. The PD cpumask for max_spare_cap_cpu/compute_prev_delta selection (find_energy_efficient_cpu()) is now ANDed not only with the SD mask but also with the cpu_online_mask. This is fine since this cpumask has to be in syc with the one used for energy computation (compute_energy()). An exclusive cpuset setup with at least one asymmetric CPU capacity island (hence the additional AND with the SD cpumask) is the obvious exception here. Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Vincent Guittot <vincent.guittot@linaro.org> Tested-by: Lukasz Luba <lukasz.luba@arm.com> Link: https://lkml.kernel.org/r/20220621090414.433602-6-vdonnefort@google.com |
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Dietmar Eggemann
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ec4fc801a0 |
sched/fair: Rename select_idle_mask to select_rq_mask
On 21/06/2022 11:04, Vincent Donnefort wrote:
> From: Dietmar Eggemann <dietmar.eggemann@arm.com>
https://lkml.kernel.org/r/202206221253.ZVyGQvPX-lkp@intel.com discovered
that this patch doesn't build anymore (on tip sched/core or linux-next)
because of commit
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Dietmar Eggemann
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bb44799949 |
sched, drivers: Remove max param from effective_cpu_util()/sched_cpu_util()
effective_cpu_util() already has a `int cpu' parameter which allows to retrieve the CPU capacity scale factor (or maximum CPU capacity) inside this function via an arch_scale_cpu_capacity(cpu). A lot of code calling effective_cpu_util() (or the shim sched_cpu_util()) needs the maximum CPU capacity, i.e. it will call arch_scale_cpu_capacity() already. But not having to pass it into effective_cpu_util() will make the EAS wake-up code easier, especially when the maximum CPU capacity reduced by the thermal pressure is passed through the EAS wake-up functions. Due to the asymmetric CPU capacity support of arm/arm64 architectures, arch_scale_cpu_capacity(int cpu) is a per-CPU variable read access via per_cpu(cpu_scale, cpu) on such a system. On all other architectures it is a a compile-time constant (SCHED_CAPACITY_SCALE). Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Vincent Guittot <vincent.guittot@linaro.org> Tested-by: Lukasz Luba <lukasz.luba@arm.com> Link: https://lkml.kernel.org/r/20220621090414.433602-4-vdonnefort@google.com |
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Vincent Donnefort
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e2f3e35f1f |
sched/fair: Decay task PELT values during wakeup migration
Before being migrated to a new CPU, a task sees its PELT values synchronized with rq last_update_time. Once done, that same task will also have its sched_avg last_update_time reset. This means the time between the migration and the last clock update will not be accounted for in util_avg and a discontinuity will appear. This issue is amplified by the PELT clock scaling. It takes currently one tick after the CPU being idle to let clock_pelt catching up clock_task. This is especially problematic for asymmetric CPU capacity systems which need stable util_avg signals for task placement and energy estimation. Ideally, this problem would be solved by updating the runqueue clocks before the migration. But that would require taking the runqueue lock which is quite expensive [1]. Instead estimate the missing time and update the task util_avg with that value. To that end, we need sched_clock_cpu() but it is a costly function. Limit the usage to the case where the source CPU is idle as we know this is when the clock is having the biggest risk of being outdated. See comment in migrate_se_pelt_lag() for more details about how the PELT value is estimated. Notice though this estimation doesn't take into account IRQ and Paravirt time. [1] https://lkml.kernel.org/r/20190709115759.10451-1-chris.redpath@arm.com Signed-off-by: Vincent Donnefort <vincent.donnefort@arm.com> Signed-off-by: Vincent Donnefort <vdonnefort@google.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Vincent Guittot <vincent.guittot@linaro.org> Reviewed-by: Dietmar Eggemann <dietmar.eggemann@arm.com> Tested-by: Lukasz Luba <lukasz.luba@arm.com> Link: https://lkml.kernel.org/r/20220621090414.433602-3-vdonnefort@google.com |
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Vincent Donnefort
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d05b43059d |
sched/fair: Provide u64 read for 32-bits arch helper
Introducing macro helpers u64_u32_{store,load}() to factorize lockless
accesses to u64 variables for 32-bits architectures.
Users are for now cfs_rq.min_vruntime and sched_avg.last_update_time. To
accommodate the later where the copy lies outside of the structure
(cfs_rq.last_udpate_time_copy instead of sched_avg.last_update_time_copy),
use the _copy() version of those helpers.
Those new helpers encapsulate smp_rmb() and smp_wmb() synchronization and
therefore, have a small penalty for 32-bits machines in set_task_rq_fair()
and init_cfs_rq().
Signed-off-by: Vincent Donnefort <vincent.donnefort@arm.com>
Signed-off-by: Vincent Donnefort <vdonnefort@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Tested-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://lkml.kernel.org/r/20220621090414.433602-2-vdonnefort@google.com
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Chen Yu
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70fb5ccf2e |
sched/fair: Introduce SIS_UTIL to search idle CPU based on sum of util_avg
[Problem Statement] select_idle_cpu() might spend too much time searching for an idle CPU, when the system is overloaded. The following histogram is the time spent in select_idle_cpu(), when running 224 instances of netperf on a system with 112 CPUs per LLC domain: @usecs: [0] 533 | | [1] 5495 | | [2, 4) 12008 | | [4, 8) 239252 | | [8, 16) |
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Christian Göttsche
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700a78335f |
sched: only perform capability check on privileged operation
sched_setattr(2) issues via kernel/sched/core.c:__sched_setscheduler()
a CAP_SYS_NICE audit event unconditionally, even when the requested
operation does not require that capability / is unprivileged, i.e. for
reducing niceness.
This is relevant in connection with SELinux, where a capability check
results in a policy decision and by default a denial message on
insufficient permission is issued.
It can lead to three undesired cases:
1. A denial message is generated, even in case the operation was an
unprivileged one and thus the syscall succeeded, creating noise.
2. To avoid the noise from 1. the policy writer adds a rule to ignore
those denial messages, hiding future syscalls, where the task
performs an actual privileged operation, leading to hidden limited
functionality of that task.
3. To avoid the noise from 1. the policy writer adds a rule to allow
the task the capability CAP_SYS_NICE, while it does not need it,
violating the principle of least privilege.
Conduct privilged/unprivileged categorization first and perform a
capable test (and at most once) only if needed.
Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20220615152505.310488-1-cgzones@googlemail.com
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Zhang Qiao
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c64b551f6a |
sched: Remove unused function group_first_cpu()
As of commit
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Zhang Qiao
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fb95a5a04d |
sched/fair: Remove redundant word " *"
" *" is redundant. so remove it. Signed-off-by: Zhang Qiao <zhangqiao22@huawei.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/r/20220617181151.29980-2-zhangqiao22@huawei.com |
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Michael Jeanson
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d1a997ba4c |
selftests/rseq: check if libc rseq support is registered
When checking for libc rseq support in the library constructor, don't only depend on the symbols presence, check that the registration was completed. This targets a scenario where the libc has rseq support but it is not wired for the current architecture in 'bits/rseq.h', we want to fallback to our internal registration mechanism. Signed-off-by: Michael Jeanson <mjeanson@efficios.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Link: https://lore.kernel.org/r/20220614154830.1367382-4-mjeanson@efficios.com |
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Michael Jeanson
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d47c0cc94a |
selftests/rseq: riscv: fix 'literal-suffix' warning
This header is also used in librseq where it can be included in C++ code, add a space between literals and string macros. Signed-off-by: Michael Jeanson <mjeanson@efficios.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Link: https://lore.kernel.org/r/20220614154830.1367382-3-mjeanson@efficios.com |
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Michael Jeanson
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4f33949243 |
selftests/rseq: riscv: use rseq_get_abi() helper
Make the RISC-V rseq selftests compatible with glibc-2.35 by using the rseq_get_abi() helper. Signed-off-by: Michael Jeanson <mjeanson@efficios.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Link: https://lore.kernel.org/r/20220614154830.1367382-2-mjeanson@efficios.com |
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Tianchen Ding
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f3dd3f6745 |
sched: Remove the limitation of WF_ON_CPU on wakelist if wakee cpu is idle
Wakelist can help avoid cache bouncing and offload the overhead of waker
cpu. So far, using wakelist within the same llc only happens on
WF_ON_CPU, and this limitation could be removed to further improve
wakeup performance.
The commit
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Tianchen Ding
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28156108fe |
sched: Fix the check of nr_running at queue wakelist
The commit
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Josh Don
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792b9f65a5 |
sched: Allow newidle balancing to bail out of load_balance
While doing newidle load balancing, it is possible for new tasks to arrive, such as with pending wakeups. newidle_balance() already accounts for this by exiting the sched_domain load_balance() iteration if it detects these cases. This is very important for minimizing wakeup latency. However, if we are already in load_balance(), we may stay there for a while before returning back to newidle_balance(). This is most exacerbated if we enter a 'goto redo' loop in the LBF_ALL_PINNED case. A very straightforward workaround to this is to adjust should_we_balance() to bail out if we're doing a CPU_NEWLY_IDLE balance and new tasks are detected. This was tested with the following reproduction: - two threads that take turns sleeping and waking each other up are affined to two cores - a large number of threads with 100% utilization are pinned to all other cores Without this patch, wakeup latency was ~120us for the pair of threads, almost entirely spent in load_balance(). With this patch, wakeup latency is ~6us. Signed-off-by: Josh Don <joshdon@google.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20220609025515.2086253-1-joshdon@google.com |
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Yajun Deng
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2ed81e7654 |
sched/deadline: Use proc_douintvec_minmax() limit minimum value
sysctl_sched_dl_period_max and sysctl_sched_dl_period_min are unsigned integer, but proc_dointvec() wouldn't return error even if we set a negative number. Use proc_douintvec_minmax() instead of proc_dointvec(). Add extra1 for sysctl_sched_dl_period_max and extra2 for sysctl_sched_dl_period_min. It's just an optimization for match data and proc_handler in struct ctl_table. The 'if (period < min || period > max)' in __checkparam_dl() will work fine even if there hasn't this patch. Signed-off-by: Yajun Deng <yajun.deng@linux.dev> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Daniel Bristot de Oliveira <bristot@kernel.org> Link: https://lore.kernel.org/r/20220607101807.249965-1-yajun.deng@linux.dev |
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Chengming Zhou
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51bf903b64 |
sched/fair: Optimize and simplify rq leaf_cfs_rq_list
We notice the rq leaf_cfs_rq_list has two problems when do bugfix backports and some test profiling. 1. cfs_rqs under throttled subtree could be added to the list, and make their fully decayed ancestors on the list, even though not needed. 2. #1 also make the leaf_cfs_rq_list management complex and error prone, this is the list of related bugfix so far: commit |
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K Prateek Nayak
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f5b2eeb499 |
sched/fair: Consider CPU affinity when allowing NUMA imbalance in find_idlest_group()
In the case of systems containing multiple LLCs per socket, like AMD Zen systems, users want to spread bandwidth hungry applications across multiple LLCs. Stream is one such representative workload where the best performance is obtained by limiting one stream thread per LLC. To ensure this, users are known to pin the tasks to a specify a subset of the CPUs consisting of one CPU per LLC while running such bandwidth hungry tasks. Suppose we kickstart a multi-threaded task like stream with 8 threads using taskset or numactl to run on a subset of CPUs on a 2 socket Zen3 server where each socket contains 128 CPUs (0-63,128-191 in one socket, 64-127,192-255 in another socket) Eg: numactl -C 0,16,32,48,64,80,96,112 ./stream8 Here each CPU in the list is from a different LLC and 4 of those LLCs are on one socket, while the other 4 are on another socket. Ideally we would prefer that each stream thread runs on a different CPU from the allowed list of CPUs. However, the current heuristics in find_idlest_group() do not allow this during the initial placement. Suppose the first socket (0-63,128-191) is our local group from which we are kickstarting the stream tasks. The first four stream threads will be placed in this socket. When it comes to placing the 5th thread, all the allowed CPUs are from the local group (0,16,32,48) would have been taken. However, the current scheduler code simply checks if the number of tasks in the local group is fewer than the allowed numa-imbalance threshold. This threshold was previously 25% of the NUMA domain span (in this case threshold = 32) but after the v6 of Mel's patchset "Adjust NUMA imbalance for multiple LLCs", got merged in sched-tip, Commit: |
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Mel Gorman
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026b98a93b |
sched/numa: Adjust imb_numa_nr to a better approximation of memory channels
For a single LLC per node, a NUMA imbalance is allowed up until 25% of CPUs sharing a node could be active. One intent of the cut-off is to avoid an imbalance of memory channels but there is no topological information based on active memory channels. Furthermore, there can be differences between nodes depending on the number of populated DIMMs. A cut-off of 25% was arbitrary but generally worked. It does have a severe corner cases though when an parallel workload is using 25% of all available CPUs over-saturates memory channels. This can happen due to the initial forking of tasks that get pulled more to one node after early wakeups (e.g. a barrier synchronisation) that is not quickly corrected by the load balancer. The LB may fail to act quickly as the parallel tasks are considered to be poor migrate candidates due to locality or cache hotness. On a range of modern Intel CPUs, 12.5% appears to be a better cut-off assuming all memory channels are populated and is used as the new cut-off point. A minimum of 1 is specified to allow a communicating pair to remain local even for CPUs with low numbers of cores. For modern AMDs, there are multiple LLCs and are not affected. Signed-off-by: Mel Gorman <mgorman@techsingularity.net> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Tested-by: K Prateek Nayak <kprateek.nayak@amd.com> Link: https://lore.kernel.org/r/20220520103519.1863-5-mgorman@techsingularity.net |
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Mel Gorman
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cb29a5c19d |
sched/numa: Apply imbalance limitations consistently
The imbalance limitations are applied inconsistently at fork time and at runtime. At fork, a new task can remain local until there are too many running tasks even if the degree of imbalance is larger than NUMA_IMBALANCE_MIN which is different to runtime. Secondly, the imbalance figure used during load balancing is different to the one used at NUMA placement. Load balancing uses the number of tasks that must move to restore imbalance where as NUMA balancing uses the total imbalance. In combination, it is possible for a parallel workload that uses a small number of CPUs without applying scheduler policies to have very variable run-to-run performance. [lkp@intel.com: Fix build breakage for arc-allyesconfig] Signed-off-by: Mel Gorman <mgorman@techsingularity.net> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Tested-by: K Prateek Nayak <kprateek.nayak@amd.com> Link: https://lore.kernel.org/r/20220520103519.1863-4-mgorman@techsingularity.net |
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Mel Gorman
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13ede33150 |
sched/numa: Do not swap tasks between nodes when spare capacity is available
If a destination node has spare capacity but there is an imbalance then two tasks are selected for swapping. If the tasks have no numa group or are within the same NUMA group, it's simply shuffling tasks around without having any impact on the compute imbalance. Instead, it's just punishing one task to help another. Signed-off-by: Mel Gorman <mgorman@techsingularity.net> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Tested-by: K Prateek Nayak <kprateek.nayak@amd.com> Link: https://lore.kernel.org/r/20220520103519.1863-3-mgorman@techsingularity.net |
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Mel Gorman
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70ce3ea9aa |
sched/numa: Initialise numa_migrate_retry
On clone, numa_migrate_retry is inherited from the parent which means that the first NUMA placement of a task is non-deterministic. This affects when load balancing recognises numa tasks and whether to migrate "regular", "remote" or "all" tasks between NUMA scheduler domains. Signed-off-by: Mel Gorman <mgorman@techsingularity.net> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Tested-by: K Prateek Nayak <kprateek.nayak@amd.com> Link: https://lore.kernel.org/r/20220520103519.1863-2-mgorman@techsingularity.net |
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Linus Torvalds
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b13baccc38 | Linux 5.19-rc2 v5.19-rc2 | ||
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Linus Torvalds
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9979528518 |
platform-drivers-x86 for v5.19-2
Highlights: - Fix hp-wmi regression on HP Omen laptops introduced in 5.18 - Several hardware-id additions - A couple of other tiny fixes The following is an automated git shortlog grouped by driver: barco-p50-gpio: - Add check for platform_driver_register gigabyte-wmi: - Add support for B450M DS3H-CF - Add Z690M AORUS ELITE AX DDR4 support hp-wmi: - Use zero insize parameter only when supported - Resolve WMI query failures on some devices platform/mellanox: - Add static in struct declaration. - Spelling s/platfom/platform/ platform/x86/intel: - hid: Add Surface Go to VGBS allow list - pmc: Support Intel Raptorlake P - Fix pmt_crashlog array reference -----BEGIN PGP SIGNATURE----- iQFIBAABCAAyFiEEuvA7XScYQRpenhd+kuxHeUQDJ9wFAmKl3+0UHGhkZWdvZWRl QHJlZGhhdC5jb20ACgkQkuxHeUQDJ9zU3wf/YJUH3Obp0kAUssrOxT9QShHH6iFL Gh6CN38DYLEbV7FNBH/iA+ZW7DSsymQm1M3jj1QYB0Sd2X/hSsUEh2q6F0XNjTKH X8vVrSRAL+DStpgyKerBJHKpzO3ESUlipmIvR/JuGVHQAylR8ielHvAx+XhA1PKz 8/ezppIa9bxZ1+LwQNPE40jJv+wlNctGrx3TEwqPep3STWWFEjkeYpR+3XIJ4Ads 5P7FXxpM2cRFKBcI9jVIBDMIZulEfkXxBDcLCHOYYitxcpnrFFghn14ys5Exh9zL pdaVHnlP6pEFpVhCWa/ICpSyrLhNYqTUJ92dyFeakbGBj9QlwnfeceMLAw== =SaRl -----END PGP SIGNATURE----- Merge tag 'platform-drivers-x86-v5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 Pull x86 platform driver fixes from Hans de Goede: "Highlights: - Fix hp-wmi regression on HP Omen laptops introduced in 5.18 - Several hardware-id additions - A couple of other tiny fixes" * tag 'platform-drivers-x86-v5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: platform/x86/intel: hid: Add Surface Go to VGBS allow list platform/x86: hp-wmi: Use zero insize parameter only when supported platform/x86: hp-wmi: Resolve WMI query failures on some devices platform/x86: gigabyte-wmi: Add support for B450M DS3H-CF platform/x86: gigabyte-wmi: Add Z690M AORUS ELITE AX DDR4 support platform/x86: barco-p50-gpio: Add check for platform_driver_register platform/x86/intel: pmc: Support Intel Raptorlake P platform/x86/intel: Fix pmt_crashlog array reference platform/mellanox: Add static in struct declaration. platform/mellanox: Spelling s/platfom/platform/ |
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Linus Torvalds
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b0cb8db396 |
Workqueue fixes for v5.19-rc1
Tetsuo's patch to trigger build warnings if system-wide wq's are flushed along with a TP type update and trivial comment update. -----BEGIN PGP SIGNATURE----- iIQEABYIACwWIQTfIjM1kS57o3GsC/uxYfJx3gVYGQUCYqUyqQ4cdGpAa2VybmVs Lm9yZwAKCRCxYfJx3gVYGQPtAQCQZuNFoWhCtdpjW/MWuGdY1pGGPMVl+60xwvew Ad8gegD/eoAsXP1XAzJ9Z1BPqr/IxncfOgGGDGHbR1Ll39qLlwE= =i3Sx -----END PGP SIGNATURE----- Merge tag 'wq-for-5.19-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq Pull workqueue fixes from Tejun Heo: "Tetsuo's patch to trigger build warnings if system-wide wq's are flushed along with a TP type update and trivial comment update" * tag 'wq-for-5.19-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: workqueue: Switch to new kerneldoc syntax for named variable macro argument workqueue: Fix type of cpu in trace event workqueue: Wrap flush_workqueue() using a macro |
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Linus Torvalds
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e3b8e2de19 |
Kbuild fixes for v5.19
- Make the *.mod build rule portable for POSIX awk - Fix regression of 'make nsdeps' - Make scripts/check-local-export working for older bash versions - Fix scripts/gdb to extract the .config data from vmlinux -----BEGIN PGP SIGNATURE----- iQJJBAABCgAzFiEEbmPs18K1szRHjPqEPYsBB53g2wYFAmKk7n0VHG1hc2FoaXJv eUBrZXJuZWwub3JnAAoJED2LAQed4NsGFv0P/RNPUu+hhNkQB41nIyDkn977KtM4 QqEdXUaGVEXEMwcBYn7bo4LR/pxbRX73WJ2o3ONwSTnpmbwDkSwmJX0JADuUhFKh je7E/+Sv9wJsyZ93Tow/nTt13xCcox9QSxx2wZrS06GQz6EmU34N+sXx82tffH8L ONQq36p31JKCwTuaK9oiAz+FAH6ap9sStL6WBrS+HSpinO0s5P9xTtTrdZHTYmn2 KgFofMZvGAMEjGZsi2H3nobjH52/yZoUyfDanFS4DAS2ZMMQ5Vw8MpCxuKz8G2oN /VCo3HgK9D+0uaAwPag3z+hugHoMBU5cjNhsvjiO6veB/VEHxm5KoEATo4xmU2OZ W7GGp3FCsxrZkSkXtKO6FAJatN/DlgHYoJ647xo/yNOxULgzVCZgAs/cPUqUW9l2 bFNeDJ4YIiFDCwi65/KOAyLOpQT8j/wMEWmrrk57HBkrSaBrHhkNV31d3Y5HUnr2 XhjqGk4dX+YX8WAEN0LrjLzUQNntqxk2yvITi0m4OaIvblu0XU2B0F70WRqhXxaf cmQFysAhmcaFSrlWxiNOnLPENNQjSy5jeKU/f6ZpGcYu7MU09ay3P+eoqFoPGq24 dLBqdLd52QDJQAo91y05cUJrj6IRYNsEK7HYlvokmvfmGHjfclxdM4+rT6dBwHpf ih8aP2eTxRMIwqgY =ka85 -----END PGP SIGNATURE----- Merge tag 'kbuild-fixes-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - Make the *.mod build rule portable for POSIX awk - Fix regression of 'make nsdeps' - Make scripts/check-local-export working for older bash versions - Fix scripts/gdb to extract the .config data from vmlinux * tag 'kbuild-fixes-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: scripts/gdb: change kernel config dumping method scripts/check-local-export: avoid 'wait $!' for process substitution scripts/nsdeps: adjust to the format change of *.mod files kbuild: avoid regex RS for POSIX awk |
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Linus Torvalds
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2275c6babf |
3 smb3 reconnect fixes
-----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEE6fsu8pdIjtWE/DpLiiy9cAdyT1EFAmKkwyEACgkQiiy9cAdy T1EqyAv/d8aDey0rQzGy918wzJd91gZrNFOJUpzVhIs3O5MakBgeoYn+S6rySl1+ xs6lXTQdSEyiL0edqTIq8iqA+iuhLPCBW2BWa/Zw089yHM/Ho3tjc5gBl5w38OcF 7NpFUInkg+yoBYWY9cCwjL83YaPxhcLKGY7S6WWptUxzf5Sg6eUqXCkMS7eUV6hb YniMa5uWZSJtqY4F6qw/NOw90QekodEmfL4lLU/GXOnDxlJ8v5Ztf3aGHITWNwsd ovhutUSai/tZz9fYHp6yOZYDcl4i0brOa3dIyU2tr52TdtzS73he8rE+Th4bu+uM XTXvrDCTwsnOTiRFyyBJcaVDF+6LpqPEcURqLEbVOf0xXHyoEQ4zEwVFQJIBYOP4 Oy8XeXQePRxCnToI2cFZaw85IkLikoZ+4PggFkbsaFdJfkboR7b+XVhkfGVr5jnn A6Unwrn3f6LS6MLbsDAjUpfzftwRyhbcvYCukeYKWz836xAx5tyOBIZA3m6keXah LyhX4qSb =mHWJ -----END PGP SIGNATURE----- Merge tag '5.19-rc1-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6 Pull cifs client fixes from Steve French: "Three reconnect fixes, all for stable as well. One of these three reconnect fixes does address a problem with multichannel reconnect, but this does not include the additional fix (still being tested) for dynamically detecting multichannel adapter changes which will improve those reconnect scenarios even more" * tag '5.19-rc1-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6: cifs: populate empty hostnames for extra channels cifs: return errors during session setup during reconnects cifs: fix reconnect on smb3 mount types |
||
|
Linus Torvalds
|
3cae0d8475 |
Random number generator fixes for Linux 5.19-rc2.
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||
Duke Lee
|
d4fe9cc4ff |
platform/x86/intel: hid: Add Surface Go to VGBS allow list
The Surface Go reports Chassis Type 9 (Laptop,) so the device needs to be added to dmi_vgbs_allow_list to enable tablet mode when an attached Type Cover is folded back. BugLink: https://github.com/linux-surface/linux-surface/issues/837 Signed-off-by: Duke Lee <krnhotwings@gmail.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20220607213654.5567-1-krnhotwings@gmail.com Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> |
||
Bedant Patnaik
|
65f936f353 |
platform/x86: hp-wmi: Use zero insize parameter only when supported
commit |
||
Jorge Lopez
|
dc6a6ab583 |
platform/x86: hp-wmi: Resolve WMI query failures on some devices
WMI queries fail on some devices where the ACPI method HWMC
unconditionally attempts to create Fields beyond the buffer
if the buffer is too small, this breaks essential features
such as power profiles:
CreateByteField (Arg1, 0x10, D008)
CreateByteField (Arg1, 0x11, D009)
CreateByteField (Arg1, 0x12, D010)
CreateDWordField (Arg1, 0x10, D032)
CreateField (Arg1, 0x80, 0x0400, D128)
In cases where args->data had zero length, ACPI BIOS Error
(bug): AE_AML_BUFFER_LIMIT, Field [D008] at bit
offset/length 128/8 exceeds size of target Buffer (128 bits)
(20211217/dsopcode-198) was obtained.
ACPI BIOS Error (bug): AE_AML_BUFFER_LIMIT, Field [D009] at bit
offset/length 136/8 exceeds size of target Buffer (136bits)
(20211217/dsopcode-198)
The original code created a buffer size of 128 bytes regardless if
the WMI call required a smaller buffer or not. This particular
behavior occurs in older BIOS and reproduced in OMEN laptops. Newer
BIOS handles buffer sizes properly and meets the latest specification
requirements. This is the reason why testing with a dynamically
allocated buffer did not uncover any failures with the test systems at
hand.
This patch was tested on several OMEN, Elite, and Zbooks. It was
confirmed the patch resolves HPWMI_FAN GET/SET calls in an OMEN
Laptop 15-ek0xxx. No problems were reported when testing on several Elite
and Zbooks notebooks.
Fixes:
|
||
Jonathan Neuschäfer
|
8bee9dd953 |
workqueue: Switch to new kerneldoc syntax for named variable macro argument
The syntax without dots is available since commit
|
||
|
Linus Torvalds
|
7a68065eb9 |
gpio fixes for v5.19-rc2
- make irq_chip structs immutable in several Diolan and intel drivers to
get rid of the new warning we emit when fiddling with irq chips
- don't print error messages on probe deferral in gpio-dwapb
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Merge tag 'gpio-fixes-for-v5.19-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
"A set of fixes. Most address the new warning we emit at build time
when irq chips are not immutable with some additional tweaks to
gpio-crystalcove from Andy and a small tweak to gpio-dwapd.
- make irq_chip structs immutable in several Diolan and intel drivers
to get rid of the new warning we emit when fiddling with irq chips
- don't print error messages on probe deferral in gpio-dwapb"
* tag 'gpio-fixes-for-v5.19-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: dwapb: Don't print error on -EPROBE_DEFER
gpio: dln2: make irq_chip immutable
gpio: sch: make irq_chip immutable
gpio: merrifield: make irq_chip immutable
gpio: wcove: make irq_chip immutable
gpio: crystalcove: Join function declarations and long lines
gpio: crystalcove: Use specific type and API for IRQ number
gpio: crystalcove: make irq_chip immutable
|
||
|
Linus Torvalds
|
cecb3540b8 |
SCSI fixes on 20220611
13 driver and 1 core patch. Nine of the driver patches are minor fixes and reworks to lpfc and the rest are trivial and minor fixes. Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com> -----BEGIN PGP SIGNATURE----- iJwEABMIAEQWIQTnYEDbdso9F2cI+arnQslM7pishQUCYqSIMyYcamFtZXMuYm90 dG9tbGV5QGhhbnNlbnBhcnRuZXJzaGlwLmNvbQAKCRDnQslM7pishf5hAP4rj6mu qqCQmh7V+zMst2ijZ+BBJBHX5eURcOwMWxd48QD/dLp/hX7djKS8i8hju2AznOyx F8g4PqPvnoJJ0adlpb0= =GTnk -----END PGP SIGNATURE----- Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Driver fixes and and one core patch. Nine of the driver patches are minor fixes and reworks to lpfc and the rest are trivial and minor fixes elsewhere" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: pmcraid: Fix missing resource cleanup in error case scsi: ipr: Fix missing/incorrect resource cleanup in error case scsi: mpt3sas: Fix out-of-bounds compiler warning scsi: lpfc: Update lpfc version to 14.2.0.4 scsi: lpfc: Allow reduced polling rate for nvme_admin_async_event cmd completion scsi: lpfc: Add more logging of cmd and cqe information for aborted NVMe cmds scsi: lpfc: Fix port stuck in bypassed state after LIP in PT2PT topology scsi: lpfc: Resolve NULL ptr dereference after an ELS LOGO is aborted scsi: lpfc: Address NULL pointer dereference after starget_to_rport() scsi: lpfc: Resolve some cleanup issues following SLI path refactoring scsi: lpfc: Resolve some cleanup issues following abort path refactoring scsi: lpfc: Correct BDE type for XMIT_SEQ64_WQE in lpfc_ct_reject_event() scsi: vmw_pvscsi: Expand vcpuHint to 16 bits scsi: sd: Fix interpretation of VPD B9h length |
||
|
Linus Torvalds
|
abe71eb32f |
virtio,vdpa: fixes
Fixes all over the place, most notably fixes for latent bugs in drivers that got exposed by suppressing interrupts before DRIVER_OK, which in turn has been done by |
||
|
Linus Torvalds
|
0678afa605 |
LoongArch fixes for v5.19-rc2
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||
|
Linus Torvalds
|
1c27f1fc15 |
iov_iter: fix build issue due to possible type mis-match
Commit
|
||
Jason A. Donenfeld
|
17b0128a13 |
wireguard: selftests: use maximum cpu features and allow rng seeding
By forcing the maximum CPU that QEMU has available, we expose additional capabilities, such as the RNDR instruction, which increases test coverage. This then allows the CI to skip the fake seeding step in some cases. Also enable STRICT_KERNEL_RWX to catch issues related to early jump labels when the RNG is initialized at boot. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> |
||
Kuan-Ying Lee
|
1f7a6cf6b0 |
scripts/gdb: change kernel config dumping method
MAGIC_START("IKCFG_ST") and MAGIC_END("IKCFG_ED") are moved out
from the kernel_config_data variable.
Thus, we parse kernel_config_data directly instead of considering
offset of MAGIC_START and MAGIC_END.
Fixes:
|
||
Vincent Whitchurch
|
eacea84459 |
um: virt-pci: set device ready in probe()
Call virtio_device_ready() to make this driver work after commit
b4ec69d7e09 ("virtio: harden vring IRQ"), since the driver uses the
virtqueues in the probe function. (The virtio core sets the device
ready when probe returns.)
Fixes:
|
||
|
Linus Torvalds
|
0885eacdc8 |
Notable changes:
- There is now a backup maintainer for NFSD Notable fixes: - Prevent array overruns in svc_rdma_build_writes() - Prevent buffer overruns when encoding NFSv3 READDIR results - Fix a potential UAF in nfsd_file_put() -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEKLLlsBKG3yQ88j7+M2qzM29mf5cFAmKjhbsACgkQM2qzM29m f5cgig/6A9gC2c9v4lR2fH6ufiCWvJBfuVaBbToubwktJHaDLvqH56JcvS3s/gKL PKGmbQTI/6lgmVgJqQSxJUnfe6wzHx8G1MdjlZEIwi3pUeiV+LpiprZz9TOhgYYV YDnXRGhb4wKOm75w8rb6X8k106XdKwdBaRQwb88FDawffWoEY0XNYrlmNmmWi8To ELlOlIwRCBbKJoJ6yEEWQRrBuVBXapbsn29tipZXbdo58g+vL0yDQq9s97b0mHhi C2apAN2+k18FiBJsA7b7pW1l/P6k9FNEeetvgWyN8OSMpPNmt0vz1HvKaIstPgg1 BX6rgWe5eQBFEk2KNvSGHrV3R+wAp7jeuVpHUMjxXvzmfj4exJV/H8lu+qZJNDGN ybCJatomR4APFxk+s1kptlzNo7zfyPz15L80HmWIngYJ/lrBOoKPIIi3bwPQcBwW q2Rc+SlvpqbJvEcomgF/lqQN6inmx44J+KpOSA/S8qSIdSkz0iaZsDahFxgZNe82 h+X/i1maRtnSIvWdGMR7O6kEFT5jky35WlTv/VutTOsUwA4mUU9vZUnufBBHJH07 nOdLMi/QS/O5GOnlyegrODtN75wi+IeKt+WMNmnN+JB8Tsg0kZwjOsc/dbQfyJqP PrQJ5AUP0TMm90B1873z8yKmhWeXtB71vgAI/d53aadBG4ZEstU= =6ugk -----END PGP SIGNATURE----- Merge tag 'nfsd-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux Pull nfsd fixes from Chuck Lever: "Notable changes: - There is now a backup maintainer for NFSD Notable fixes: - Prevent array overruns in svc_rdma_build_writes() - Prevent buffer overruns when encoding NFSv3 READDIR results - Fix a potential UAF in nfsd_file_put()" * tag 'nfsd-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: SUNRPC: Remove pointer type casts from xdr_get_next_encode_buffer() SUNRPC: Clean up xdr_get_next_encode_buffer() SUNRPC: Clean up xdr_commit_encode() SUNRPC: Optimize xdr_reserve_space() SUNRPC: Fix the calculation of xdr->end in xdr_get_next_encode_buffer() SUNRPC: Trap RDMA segment overflows NFSD: Fix potential use-after-free in nfsd_file_put() MAINTAINERS: reciprocal co-maintainership for file locking and nfsd |
||
Shyam Prasad N
|
4c14d7043f |
cifs: populate empty hostnames for extra channels
Currently, the secondary channels of a multichannel session
also get hostname populated based on the info in primary channel.
However, this will end up with a wrong resolution of hostname to
IP address during reconnect.
This change fixes this by not populating hostname info for all
secondary channels.
Fixes:
|
||
|
Linus Torvalds
|
90add6d418 |
- Fix DM core's bioset initialization so that blk integrity pool is
properly setup. Remove now unused bioset_init_from_src. - Fix DM zoned hang from locking imbalance due to needless check in clone_endio(). -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEJfWUX4UqZ4x1O2wixSPxCi2dA1oFAmKjmloACgkQxSPxCi2d A1r8VggAyz5qvVintXmJ5SEnzz/nPfeXcu7UpyDWbabYaRQ+RSdD541TYayhlp0f Pnk2R+aOYG2JvKviIg2Tbf+WqCkhAgStG26QyTWaakwiLva+xE2+lbxJus/8ZcWT pZ8UvwpCFbg7nTpGNHYT2/fs2++6e2Y+bPE87rG534agHf6c48UHdoLiHm3bgNuh iY1ro4UsseVDum48BCPj6mwOaAYfjpp6BlJgzlRol0PRkqKCgRthN0pksSn3fW3y H9LS4gUvJIBVq5oA0T9zRWDeEdKdqXUGnATjWaet5kSjZCCuJmu23vyC707Nnx76 KN7jEmkR1eGuXQlw4URiQ2HuG941dw== =O04+ -----END PGP SIGNATURE----- Merge tag 'for-5.19/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper fixes from Mike Snitzer: - Fix DM core's bioset initialization so that blk integrity pool is properly setup. Remove now unused bioset_init_from_src. - Fix DM zoned hang from locking imbalance due to needless check in clone_endio(). * tag 'for-5.19/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm: fix zoned locking imbalance due to needless check in clone_endio block: remove bioset_init_from_src dm: fix bio_set allocation |
||
|
Linus Torvalds
|
045fb9c2f5 |
Merge branch 'fscache-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull fscache cleanups from David Howells:
- fix checker complaint in afs
- two netfs cleanups:
- netfs_inode calling convention cleanup plus the requisite
documentation changes
- replace the ->cleanup op with a ->free_request op.
This is possible as the I/O request is now always available at
the cleanup point as the stuff to be cleaned up is no longer
passed into the API functions, but rather obtained by ->init_request.
* 'fscache-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
netfs: Rename the netfs_io_request cleanup op and give it an op pointer
netfs: Further cleanups after struct netfs_inode wrapper introduced
afs: Fix some checker issues
|
||
|
Linus Torvalds
|
b098915985 |
ITER_XARRAY get_pages fix; now the return value is a lot saner
(and more similar to logics for other flavours)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull iov_iter fix from Al Viro:
"ITER_XARRAY get_pages fix; now the return value is a lot saner (and
more similar to logics for other flavours)"
* tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
iov_iter: Fix iter_xarray_get_pages{,_alloc}()
|
||
August Wikerfors
|
c6bc7e8ee9 |
platform/x86: gigabyte-wmi: Add support for B450M DS3H-CF
Tested and works on my system. Signed-off-by: August Wikerfors <git@augustwikerfors.se> Link: https://lore.kernel.org/r/20220608212028.28307-1-git@augustwikerfors.se Signed-off-by: Hans de Goede <hdegoede@redhat.com> |
||
Piotr Chmura
|
8a041afe3e |
platform/x86: gigabyte-wmi: Add Z690M AORUS ELITE AX DDR4 support
Add dmi_system_id of Gigabyte Z690M AORUS ELITE AX DDR4 board. Tested on my PC. Signed-off-by: Piotr Chmura <chmooreck@gmail.com> Link: https://lore.kernel.org/r/bd83567e-ebf5-0b31-074b-5f6dc7f7c147@gmail.com Signed-off-by: Hans de Goede <hdegoede@redhat.com> |
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Jiasheng Jiang
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011881b80e |
platform/x86: barco-p50-gpio: Add check for platform_driver_register
As platform_driver_register() could fail, it should be better
to deal with the return value in order to maintain the code
consisitency.
Fixes:
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George D Sworo
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552f3b801d |
platform/x86/intel: pmc: Support Intel Raptorlake P
Add Raptorlake P to the list of the platforms that intel_pmc_core driver supports for pmc_core device. Raptorlake P PCH is based on Alderlake P PCH. Signed-off-by: George D Sworo <george.d.sworo@intel.com> Reviewed-by: David E. Box <david.e.box@linux.intel.com> Link: https://lore.kernel.org/r/20220602012617.20100-1-george.d.sworo@intel.com Signed-off-by: Hans de Goede <hdegoede@redhat.com> |
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David Arcari
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66cb3a2d7a |
platform/x86/intel: Fix pmt_crashlog array reference
The probe function pmt_crashlog_probe() may incorrectly reference
the 'priv->entry array' as it uses 'i' to reference the array instead
of 'priv->num_entries' as it should. This is similar to the problem
that was addressed in pmt_telemetry_probe via commit
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