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2025-05-07genirq/manage: Rework irq_set_parent()Thomas Gleixner
Use the new guards to get and lock the interrupt descriptor and tidy up the code. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065422.258216558@linutronix.de
2025-05-07genirq/manage: Rework can_request_irq()Thomas Gleixner
Use the new guards to get and lock the interrupt descriptor and tidy up the code. Make the return value boolean to reflect it's meaning. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065422.187250840@linutronix.de
2025-05-07genirq/manage: Rework irq_set_irq_wake()Thomas Gleixner
Use the new guards to get and lock the interrupt descriptor and tidy up the code. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/87ldrhq0hc.ffs@tglx
2025-05-07genirq/manage: Rework enable_irq()Thomas Gleixner
Use the new guards to get and lock the interrupt descriptor and tidy up the code. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065422.071157729@linutronix.de
2025-05-07genirq/manage: Rework __disable_irq_nosync()Thomas Gleixner
Use the new guards to get and lock the interrupt descriptor and tidy up the code. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065422.013088277@linutronix.de
2025-05-07genirq/manage: Rework irq_set_vcpu_affinity()Thomas Gleixner
Use the new guards to get and lock the interrupt descriptor and tidy up the code. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/87ikmlq0fk.ffs@tglx
2025-05-07genirq/manage: Rework __irq_apply_affinity_hint()Thomas Gleixner
Use the new guards to get and lock the interrupt descriptor and tidy up the code. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065421.897188799@linutronix.de
2025-05-07genirq/manage: Rework irq_update_affinity_desc()Thomas Gleixner
Use the new guards to get and lock the interrupt descriptor and tidy up the code. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065421.830357569@linutronix.de
2025-05-07genirq/manage: Convert to lock guardsThomas Gleixner
Convert lock/unlock pairs to guards. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065421.771476066@linutronix.de
2025-05-07genirq/manage: Cleanup kernel doc commentsThomas Gleixner
Get rid of the extra tab to make it consistent. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065421.710273122@linutronix.de
2025-05-07genirq/chip: Rework irq_modify_status()Thomas Gleixner
Use the new guards to get and lock the interrupt descriptor and tidy up the code. Fixup the kernel doc comment while at it. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065421.650454052@linutronix.de
2025-05-07genirq/chip: Rework irq_set_handler() variantsThomas Gleixner
Use the new guards to get and lock the interrupt descriptor and tidy up the code. Fixup the kernel doc comment while at it. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065421.590753128@linutronix.de
2025-05-07genirq/chip: Rework irq_set_chip_data()Thomas Gleixner
Use the new guards to get and lock the interrupt descriptor and tidy up the code. Fixup the kernel doc comment while at it. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065421.532308759@linutronix.de
2025-05-07genirq/chip: Rework irq_set_msi_desc_off()Thomas Gleixner
Use the new guards to get and lock the interrupt descriptor and tidy up the code. Fixup the kernel doc comment while at it. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065421.473563978@linutronix.de
2025-05-07genirq/chip: Rework irq_set_handler_data()Thomas Gleixner
Use the new guards to get and lock the interrupt descriptor and tidy up the code. Fixup the kernel doc comment while at it. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065421.415072350@linutronix.de
2025-05-07genirq/chip: Rework irq_set_irq_type()Thomas Gleixner
Use the new guards to get and lock the interrupt descriptor and tidy up the code. Fixup the kernel doc comment while at it. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065421.355673840@linutronix.de
2025-05-07genirq/chip: Rework irq_set_chip()Thomas Gleixner
Use the new guards to get and lock the interrupt descriptor and tidy up the code. Fixup the kernel doc comment while at it. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065421.295400891@linutronix.de
2025-05-07genirq/chip: Use lock guards where applicableThomas Gleixner
Convert all lock/unlock pairs to guards and tidy up the code. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065421.236248749@linutronix.de
2025-05-07genirq/chip: Rework handle_fasteoi_mask_irq()Thomas Gleixner
Use the new helpers to decide whether the interrupt should be handled and switch the descriptor locking to guard(). Note: The mask_irq() operation in the second condition was redundant as the interrupt is already masked right at the beginning of the function. Fixup the kernel doc comment while at it. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065421.175652864@linutronix.de
2025-05-07genirq/chip: Rework handle_fasteoi_ack_irq()Thomas Gleixner
Use the new helpers to decide whether the interrupt should be handled and switch the descriptor locking to guard(). Fixup the kernel doc comment while at it. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065421.105015800@linutronix.de
2025-05-07genirq/chip: Rework handle_edge_irq()Thomas Gleixner
Use the new helpers to decide whether the interrupt should be handled and switch the descriptor locking to guard(). Fixup the kernel doc comment while at it. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065421.045492336@linutronix.de
2025-05-07genirq/chip: Rework handle_eoi_irq()Thomas Gleixner
Use the new helpers to decide whether the interrupt should be handled and switch the descriptor locking to guard(). Fixup the kernel doc comment while at it. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065420.986002418@linutronix.de
2025-05-07genirq/chip: Rework handle_level_irq()Thomas Gleixner
Use the new helpers to decide whether the interrupt should be handled and switch the descriptor locking to guard(). Fixup the kernel doc comment while at it. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065420.926362488@linutronix.de
2025-05-07genirq/chip: Rework handle_untracked_irq()Thomas Gleixner
Use the new helpers to decide whether the interrupt should be handled and switch the descriptor locking to guard(). Fixup the kernel doc comment while at it. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065420.865212916@linutronix.de
2025-05-07genirq/chip: Rework handle_simple_irq()Thomas Gleixner
Use the new helpers to decide whether the interrupt should be handled and switch the descriptor locking to guard(). Fixup the kernel doc comment while at it. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065420.804683349@linutronix.de
2025-05-07genirq/chip: Rework handle_nested_irq()Thomas Gleixner
Use the new helpers to decide whether the interrupt should be handled and switch the descriptor locking to guard(). Fixup the kernel doc comment while at it. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065420.744042890@linutronix.de
2025-05-07genirq/chip: Prepare for code reductionThomas Gleixner
The interrupt flow handlers have similar patterns to decide whether to handle an interrupt or not. Provide common helper functions to allow removal of duplicated code. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065420.682547546@linutronix.de
2025-05-07genirq/debugfs: Convert to lock guardsThomas Gleixner
Convert all lock/unlock pairs to guards and tidy up the code. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065420.620200108@linutronix.de
2025-05-07genirq/cpuhotplug: Convert to lock guardsThomas Gleixner
Convert all lock/unlock pairs to guards and tidy up the code. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065420.560083665@linutronix.de
2025-05-07genirq/spurious: Switch to lock guardsThomas Gleixner
Convert all lock/unlock pairs to guards and tidy up the code. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065420.497714413@linutronix.de
2025-05-07genirq/spurious: Cleanup codeThomas Gleixner
Clean up the coding style No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065420.437285102@linutronix.de
2025-05-07genirq/proc: Switch to lock guardsThomas Gleixner
Convert all lock/unlock pairs to guards and tidy up the code. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065420.373998838@linutronix.de
2025-05-07genirq/resend: Switch to lock guardsThomas Gleixner
Convert all lock/unlock pairs to guards and tidy up the code. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065420.312487167@linutronix.de
2025-05-07genirq/pm: Switch to lock guardsThomas Gleixner
Convert all lock/unlock pairs to guards and tidy up the code. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065420.251299112@linutronix.de
2025-05-07genirq/autoprobe: Switch to lock guardsThomas Gleixner
Convert all lock/unlock pairs to guards. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065420.188866381@linutronix.de
2025-05-07genirq/irqdesc: Switch to lock guardsThomas Gleixner
Replace all lock/unlock pairs with lock guards and simplify the code flow. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Jiri Slaby <jirislaby@kernel.org> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/871ptaqhoo.ffs@tglx
2025-05-07genirq: Provide conditional lock guardsThomas Gleixner
The interrupt core code has an ever repeating pattern: unsigned long flags; struct irq_desc *desc = irq_get_desc_[bus]lock(irq, &flags, mode); if (!desc) return -EINVAL; .... irq_put_desc_[bus]unlock(desc, flags); That requires gotos in failure paths and just creates visual clutter. Provide lock guards, which allow to simplify the code. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/all/20250429065420.061659985@linutronix.de
2025-05-05genirq/irqdesc: Decrease indentation level in __irq_get_desc_lock()Andy Shevchenko
There is a conditional that covers all the code for the entire function. Invert it and decrease indentation level. This also helps for further changes to be clearer and tidier. [ tglx: Removed line breaks ] Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/all/20250416114122.2191820-2-andriy.shevchenko@linux.intel.com
2025-04-24genirq: Fix typo in IRQ_NOTCONNECTED commentCheng-Yang Chou
Fix a minor typo in the comment for IRQ_NOTCONNECTED: "distingiush" is corrected to "distinguish". Signed-off-by: Cheng-Yang Chou <yphbchou0911@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/all/20250410105144.214849-1-yphbchou0911@gmail.com
2025-04-16genirq/irqdesc: Use sysfs_emit() to instead of s*printf()Andy Shevchenko
Follow the advice of the Documentation/filesystems/sysfs.rst that show() should only use sysfs_emit() or sysfs_emit_at() when formatting the value to be returned to user space. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/all/20250416101651.2128688-1-andriy.shevchenko@linux.intel.com
2025-04-07irqdomain: Support three-cell scheme interruptsYixun Lan
Add new function *_twothreecell() to extend support to parse three-cell interrupts which encoded as <instance hwirq irqflag>, the translate function will retrieve irq number and flag from last two cells. This API will be used in gpio irq driver which need to work with two or three cells cases. Signed-off-by: Yixun Lan <dlan@gentoo.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/all/20250326-04-gpio-irq-threecell-v3-1-aab006ab0e00@gentoo.org
2025-04-06Linux 6.15-rc1v6.15-rc1Linus Torvalds
2025-04-06tools/include: make uapi/linux/types.h usable from assemblyThomas Weißschuh
The "real" linux/types.h UAPI header gracefully degrades to a NOOP when included from assembly code. Mirror this behaviour in the tools/ variant. Test for __ASSEMBLER__ over __ASSEMBLY__ as the former is provided by the toolchain automatically. Reported-by: Mark Brown <broonie@kernel.org> Closes: https://lore.kernel.org/lkml/af553c62-ca2f-4956-932c-dd6e3a126f58@sirena.org.uk/ Fixes: c9fbaa879508 ("selftests: vDSO: parse_vdso: Use UAPI headers instead of libc headers") Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Link: https://patch.msgid.link/20250321-uapi-consistency-v1-1-439070118dc0@linutronix.de Signed-off-by: Mark Brown <broonie@kernel.org> Reviewed-by: Mark Brown <broonie@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2025-04-06Merge tag 'turbostat-2025.05.06' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux Pull turbostat updates from Len Brown: - support up to 8192 processors - add cpuidle governor debug telemetry, disabled by default - update default output to exclude cpuidle invocation counts - bug fixes * tag 'turbostat-2025.05.06' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: tools/power turbostat: v2025.05.06 tools/power turbostat: disable "cpuidle" invocation counters, by default tools/power turbostat: re-factor sysfs code tools/power turbostat: Restore GFX sysfs fflush() call tools/power turbostat: Document GNR UncMHz domain convention tools/power turbostat: report CoreThr per measurement interval tools/power turbostat: Increase CPU_SUBSET_MAXCPUS to 8192 tools/power turbostat: Add idle governor statistics reporting tools/power turbostat: Fix names matching tools/power turbostat: Allow Zero return value for some RAPL registers tools/power turbostat: Clustered Uncore MHz counters should honor show/hide options
2025-04-06Merge tag 'soundwire-6.15-rc1-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire Pull soundwire fix from Vinod Koul: - add missing config symbol CONFIG_SND_HDA_EXT_CORE required for asoc driver CONFIG_SND_SOF_SOF_HDA_SDW_BPT * tag 'soundwire-6.15-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire: ASoC: SOF: Intel: Let SND_SOF_SOF_HDA_SDW_BPT select SND_HDA_EXT_CORE
2025-04-06tools/power turbostat: v2025.05.06Len Brown
Support up to 8192 processors Add cpuidle governor debug telemetry, disabled by default Update default output to exclude cpuidle invocation counts Bug fixes Signed-off-by: Len Brown <len.brown@intel.com>
2025-04-06tools/power turbostat: disable "cpuidle" invocation counters, by defaultLen Brown
Create "pct_idle" counter group, the sofware notion of residency so it can now be singled out, independent of other counter groups. Create "cpuidle" group, the cpuidle invocation counts. Disable "cpuidle", by default. Create "swidle" = "cpuidle" + "pct_idle". Undocument "sysfs", the old name for "swidle", but keep it working for backwards compatibilty. Create "hwidle", all the HW idle counters Modify "idle", enabled by default "idle" = "hwidle" + "pct_idle" (and now excludes "cpuidle") Signed-off-by: Len Brown <len.brown@intel.com>
2025-04-06Merge tag 'perf-urgent-2025-04-06' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf event fix from Ingo Molnar: "Fix a perf events time accounting bug" * tag 'perf-urgent-2025-04-06' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/core: Fix child_total_time_enabled accounting bug at task exit
2025-04-06Merge tag 'sched-urgent-2025-04-06' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fixes from Ingo Molnar: - Fix a nonsensical Kconfig combination - Remove an unnecessary rseq-notification * tag 'sched-urgent-2025-04-06' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: rseq: Eliminate useless task_work on execve sched/isolation: Make CONFIG_CPU_ISOLATION depend on CONFIG_SMP
2025-04-06Disable SLUB_TINY for build testingLinus Torvalds
... and don't error out so hard on missing module descriptions. Before commit 6c6c1fc09de3 ("modpost: require a MODULE_DESCRIPTION()") we used to warn about missing module descriptions, but only when building with extra warnigns (ie 'W=1'). After that commit the warning became an unconditional hard error. And it turns out not all modules have been converted despite the claims to the contrary. As reported by Damian Tometzki, the slub KUnit test didn't have a module description, and apparently nobody ever really noticed. The reason nobody noticed seems to be that the slub KUnit tests get disabled by SLUB_TINY, which also ends up disabling a lot of other code, both in tests and in slub itself. And so anybody doing full build tests didn't actually see this failre. So let's disable SLUB_TINY for build-only tests, since it clearly ends up limiting build coverage. Also turn the missing module descriptions error back into a warning, but let's keep it around for non-'W=1' builds. Reported-by: Damian Tometzki <damian@riscv-rocks.de> Link: https://lore.kernel.org/all/01070196099fd059-e8463438-7b1b-4ec8-816d-173874be9966-000000@eu-central-1.amazonses.com/ Cc: Masahiro Yamada <masahiroy@kernel.org> Cc: Jeff Johnson <jeff.johnson@oss.qualcomm.com> Fixes: 6c6c1fc09de3 ("modpost: require a MODULE_DESCRIPTION()") Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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