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2025-06-13sched/smp: Use the SMP version of rq_pin_lock()Ingo Molnar1-2/+0
Simplify the scheduler by making a CONFIG_SMP-only warning in rq_pin_lock() unconditional. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-39-mingo@kernel.org
2025-06-13sched/smp: Use the SMP version of is_migration_disabled()Ingo Molnar1-4/+0
Simplify the scheduler by making the CONFIG_SMP-only code in is_migration_disabled() unconditional. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-38-mingo@kernel.org
2025-06-13sched/smp: Use the SMP version of cpu_of()Ingo Molnar1-4/+0
Simplify the scheduler by making CONFIG_SMP=y code in cpu_of() unconditional. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-37-mingo@kernel.org
2025-06-13sched/smp: Use the SMP version of the stop-CPU scheduling classIngo Molnar1-4/+0
Simplify the scheduler by making CONFIG_SMP=y code in the stop-CPU scheduling class unconditional. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-36-mingo@kernel.org
2025-06-13sched/smp: Use the SMP version of the idle scheduling classIngo Molnar1-4/+0
Simplify the scheduler by making CONFIG_SMP=y code in the idle scheduling classunconditional. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-35-mingo@kernel.org
2025-06-13sched/smp: Use the SMP version of sched_update_asym_prefer_cpu()Ingo Molnar1-2/+0
Simplify the scheduler by making CONFIG_SMP=y code in sched_update_asym_prefer_cpu() unconditional. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-34-mingo@kernel.org
2025-06-13sched/smp: Use the SMP version of the scheduler syscallsIngo Molnar1-5/+1
Simplify the scheduler by making CONFIG_SMP=y code in idle_cpu(), __sched_setscheduler() and sched_setaffinity() unconditional. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-33-mingo@kernel.org
2025-06-13sched/smp: Use the SMP version of schedstatsIngo Molnar1-4/+0
Simplify the scheduler by making CONFIG_SMP=y schedstats debugging output unconditional. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-32-mingo@kernel.org
2025-06-13sched/smp: Use the SMP version of scheduler debugging dataIngo Molnar1-14/+0
Simplify the scheduler by making CONFIG_SMP=y debug output unconditional. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-31-mingo@kernel.org
2025-06-13sched/smp: Use the SMP version of the deadline scheduling classIngo Molnar1-8/+0
Simplify the scheduler by making CONFIG_SMP=y code in prio_changed_dl() unconditional. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-30-mingo@kernel.org
2025-06-13sched/smp: Use the SMP version of the RT scheduling classIngo Molnar2-74/+0
Simplify the scheduler by making CONFIG_SMP=y primitives and data structures unconditional in the RT policies scheduler. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-29-mingo@kernel.org
2025-06-13sched/smp: Use the SMP version of idle_thread_set_boot_cpu()Ingo Molnar2-6/+0
Simplify the scheduler by making the CONFIG_SMP=y version of idle_thread_set_boot_cpu() unconditional. Note that idle_thread_set_boot_cpu() is already conditional on CONFIG_GENERIC_SMP_IDLE_THREAD, which most architectures select unconditionally on both UP and SMP kernels. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-28-mingo@kernel.org
2025-06-13sched/smp: Use the SMP version of sched_exec()Ingo Molnar2-8/+0
Simplify the scheduler making CONFIG_SMP=y sched_exec() code unconditional. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-27-mingo@kernel.org
2025-06-13sched/smp: Use the SMP version of wake_up_new_task()Ingo Molnar1-2/+0
Simplify the scheduler by making CONFIG_SMP=y code in wake_up_new_task() unconditional. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-26-mingo@kernel.org
2025-06-13sched/smp: Use the SMP version of __task_needs_rq_lock()Ingo Molnar1-2/+0
Simplify the scheduler by making CONFIG_SMP=y code in __task_needs_rq_lock() unconditional. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-25-mingo@kernel.org
2025-06-13sched/smp: Use the SMP version of try_to_wake_up()Ingo Molnar1-4/+0
Simplify the scheduler by making CONFIG_SMP=y logic within try_to_wake_up() unconditional. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-24-mingo@kernel.org
2025-06-13sched/smp: Always define rq->hrtick_csdIngo Molnar2-25/+0
Simplify the scheduler by making CONFIG_SMP=y data structure of rq->hrtick_csd unconditional. Adjust hrtick_start() accordingly, which was split due to the ::hrtick_csd asymmetry and use the SMP version there too. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-23-mingo@kernel.org
2025-06-13sched/smp: Always define is_percpu_thread() and scheduler_ipi()Ingo Molnar1-8/+0
Simplify the scheduler by making the CONFIG_SMP=y primitives of is_percpu_thread() and scheduler_ipi() unconditional. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-22-mingo@kernel.org
2025-06-13sched/smp: Make SMP unconditionalIngo Molnar19-599/+31
Simplify the scheduler by making CONFIG_SMP=y primitives and data structures unconditional. Introduce transitory wrappers for functionality not yet converted to SMP. Note that this patch is pretty large, because there's no clear separation between various aspects of the SMP scheduler, it's basically a huge block of #ifdef CONFIG_SMP. A fair amount of it has to be switched on for it to boot and work on UP systems. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-21-mingo@kernel.org
2025-06-13sched/smp: Always define sched_domains_mutex_lock()/unlock(), ↵Ingo Molnar3-6/+6
def_root_domain and sched_domains_mutex Simplify the scheduler by making CONFIG_SMP=y primitives and data structures unconditional. Unconditionally build kernel/sched/topology.c and the main sched-domains locking primitives. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-20-mingo@kernel.org
2025-06-13sched: Clean up and standardize #if/#else/#endif markers in sched/topology.cIngo Molnar1-5/+5
- Use the standard #ifdef marker format for larger blocks, where appropriate: #if CONFIG_FOO ... #else /* !CONFIG_FOO: */ ... #endif /* !CONFIG_FOO */ - Fix whitespace noise and other inconsistencies. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-19-mingo@kernel.org
2025-06-13sched: Clean up and standardize #if/#else/#endif markers in sched/syscalls.cIngo Molnar1-5/+4
- Use the standard #ifdef marker format for larger blocks, where appropriate: #if CONFIG_FOO ... #else /* !CONFIG_FOO: */ ... #endif /* !CONFIG_FOO */ Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-18-mingo@kernel.org
2025-06-13sched: Clean up and standardize #if/#else/#endif markers in sched/stats.[ch]Ingo Molnar2-6/+6
- Use the standard #ifdef marker format for larger blocks, where appropriate: #if CONFIG_FOO ... #else /* !CONFIG_FOO: */ ... #endif /* !CONFIG_FOO */ Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-17-mingo@kernel.org
2025-06-13sched: Clean up and standardize #if/#else/#endif markers in sched/sched.hIngo Molnar1-40/+42
- Use the standard #ifdef marker format for larger blocks, where appropriate: #if CONFIG_FOO ... #else /* !CONFIG_FOO: */ ... #endif /* !CONFIG_FOO */ - Fix whitespace noise and other inconsistencies. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-16-mingo@kernel.org
2025-06-13sched: Clean up and standardize #if/#else/#endif markers in sched/rt.cIngo Molnar1-27/+27
- Use the standard #ifdef marker format for larger blocks, where appropriate: #if CONFIG_FOO ... #else /* !CONFIG_FOO: */ ... #endif /* !CONFIG_FOO */ - Fix whitespace noise and other inconsistencies. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-15-mingo@kernel.org
2025-06-13sched: Clean up and standardize #if/#else/#endif markers in sched/psi.cIngo Molnar1-2/+2
- Use the standard #ifdef marker format for larger blocks, where appropriate: #if CONFIG_FOO ... #else /* !CONFIG_FOO: */ ... #endif /* !CONFIG_FOO */ Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-14-mingo@kernel.org
2025-06-13sched: Clean up and standardize #if/#else/#endif markers in sched/pelt.[ch]Ingo Molnar2-8/+8
- Use the standard #ifdef marker format for larger blocks, where appropriate: #if CONFIG_FOO ... #else /* !CONFIG_FOO: */ ... #endif /* !CONFIG_FOO */ - Fix whitespace noise and other inconsistencies. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-13-mingo@kernel.org
2025-06-13sched: Clean up and standardize #if/#else/#endif markers in sched/loadavg.cIngo Molnar1-2/+2
- Use the standard #ifdef marker format for larger blocks, where appropriate: #if CONFIG_FOO ... #else /* !CONFIG_FOO: */ ... #endif /* !CONFIG_FOO */ - Fix whitespace noise and other inconsistencies. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-12-mingo@kernel.org
2025-06-13sched: Clean up and standardize #if/#else/#endif markers in sched/idle.cIngo Molnar1-4/+4
- Use the standard #ifdef marker format for larger blocks, where appropriate: #if CONFIG_FOO ... #else /* !CONFIG_FOO: */ ... #endif /* !CONFIG_FOO */ - Fix whitespace noise and other inconsistencies. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-11-mingo@kernel.org
2025-06-13sched: Clean up and standardize #if/#else/#endif markers in sched/fair.cIngo Molnar1-55/+56
- Use the standard #ifdef marker format for larger blocks, where appropriate: #if CONFIG_FOO ... #else /* !CONFIG_FOO: */ ... #endif /* !CONFIG_FOO */ - Fix whitespace noise and other inconsistencies. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-10-mingo@kernel.org
2025-06-13sched: Clean up and standardize #if/#else/#endif markers in sched/debug.cIngo Molnar1-18/+18
- Use the standard #ifdef marker format for larger blocks, where appropriate: #if CONFIG_FOO ... #else /* !CONFIG_FOO: */ ... #endif /* !CONFIG_FOO */ - Fix whitespace noise and other inconsistencies. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-9-mingo@kernel.org
2025-06-13sched: Clean up and standardize #if/#else/#endif markers in sched/deadline.cIngo Molnar1-18/+18
- Use the standard #ifdef marker format for larger blocks, where appropriate: #if CONFIG_FOO ... #else /* !CONFIG_FOO: */ ... #endif /* !CONFIG_FOO */ - Fix whitespace noise and other inconsistencies. Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-8-mingo@kernel.org
2025-06-13sched: Clean up and standardize #if/#else/#endif markers in sched/cputime.cIngo Molnar1-7/+7
- Use the standard #ifdef marker format for larger blocks, where appropriate: #if CONFIG_FOO ... #else /* !CONFIG_FOO: */ ... #endif /* !CONFIG_FOO */ Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-7-mingo@kernel.org
2025-06-13sched: Clean up and standardize #if/#else/#endif markers in sched/cpupri.hIngo Molnar1-1/+1
- Use the standard #ifdef marker format for larger blocks, where appropriate: #if CONFIG_FOO ... #else /* !CONFIG_FOO: */ ... #endif /* !CONFIG_FOO */ Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-6-mingo@kernel.org
2025-06-13sched: Clean up and standardize #if/#else/#endif markers in ↵Ingo Molnar1-2/+2
sched/cpufreq_schedutil.c - Use the standard #ifdef marker format for larger blocks, where appropriate: #if CONFIG_FOO ... #else /* !CONFIG_FOO: */ ... #endif /* !CONFIG_FOO */ Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-5-mingo@kernel.org
2025-06-13sched: Clean up and standardize #if/#else/#endif markers in sched/core.cIngo Molnar1-93/+93
- Use the standard #ifdef marker format for larger blocks, where appropriate: #if CONFIG_FOO ... #else /* !CONFIG_FOO: */ ... #endif /* !CONFIG_FOO */ - Apply this simplification: -#if defined(CONFIG_FOO) +#ifdef CONFIG_FOO - Fix whitespace noise. - Use vertical alignment to better visualize nested #ifdef blocks, where appropriate: #ifdef CONFIG_FOO # ifdef CONFIG_BAR ... # endif #endif Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-4-mingo@kernel.org
2025-06-13sched: Clean up and standardize #if/#else/#endif markers in sched/clock.cIngo Molnar1-2/+2
- Use the standard #ifdef marker format for larger blocks, where appropriate: #if CONFIG_FOO ... #else /* !CONFIG_FOO: */ ... #endif /* !CONFIG_FOO */ Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-3-mingo@kernel.org
2025-06-13sched: Clean up and standardize #if/#else/#endif markers in sched/autogroup.[ch]Ingo Molnar2-5/+5
- Use the standard #ifdef marker format for larger blocks, where appropriate: #if CONFIG_FOO ... #else /* !CONFIG_FOO: */ ... #endif /* !CONFIG_FOO */ Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shrikanth Hegde <sshegde@linux.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20250528080924.2273858-2-mingo@kernel.org
2025-06-11sched/eevdf: Correct the comment in place_entitywang wei1-1/+1
Correct "l" to "vl_i". Signed-off-by: wang wei <a929244872@163.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20250605152931.22804-1-a929244872@163.com
2025-06-11sched: Make clangd usablePeter Zijlstra32-1/+80
Due to the weird Makefile setup of sched the various files do not compile as stand alone units. The new generation of editors are trying to do just this -- mostly to offer fancy things like completions but also better syntax highlighting and code navigation. Specifically, I've been playing around with neovim and clangd. Setting up clangd on the kernel source is a giant pain in the arse (this really should be improved), but once you do manage, you run into dumb stuff like the above. Fix up the scheduler files to at least pretend to work. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Ingo Molnar <mingo@kernel.org> Tested-by: Juri Lelli <juri.lelli@redhat.com> Link: https://lkml.kernel.org/r/20250523164348.GN39944@noisy.programming.kicks-ass.net
2025-06-08Linux 6.16-rc1v6.16-rc1Linus Torvalds1-2/+2
2025-06-08tools/power turbostat: version 2025.06.08Len Brown1-37/+36
Add initial DMR support, which required smarter RAPL probe Fix AMD MSR RAPL energy reporting Add RAPL power limit configuration output Minor fixes Signed-off-by: Len Brown <len.brown@intel.com>
2025-06-08tools/power turbostat: Add initial support for BartlettLakeZhang Rui1-0/+1
Add initial support for BartlettLake. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2025-06-08tools/power turbostat: Add initial support for DMRZhang Rui1-0/+18
Add initial support for DMR. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2025-06-08tools/power turbostat: Dump RAPL sysfs infoZhang Rui1-0/+156
for example: intel-rapl:1: psys 28.0s:100W 976.0us:100W intel-rapl:0: package-0 28.0s:57W,max:15W 2.4ms:57W intel-rapl:0/intel-rapl:0:0: core disabled intel-rapl:0/intel-rapl:0:1: uncore disabled intel-rapl-mmio:0: package-0 28.0s:28W,max:15W 2.4ms:57W [lenb: simplified format] Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com> squish me Signed-off-by: Len Brown <len.brown@intel.com>
2025-06-08tools/power turbostat: Avoid probing the same perf countersZhang Rui1-0/+15
For the RAPL package energy status counter, Intel and AMD share the same perf_subsys and perf_name, but with different MSR addresses. Both rapl_counter_arch_infos[0] and rapl_counter_arch_infos[1] are introduced to describe this counter for different Vendors. As a result, the perf counter is probed twice, and causes a failure in in get_rapl_counters() because expected_read_size and actual_read_size don't match. Fix the problem by skipping the already probed counter. Note, this is not a perfect fix. For example, if different vendors/platforms use the same MSR value for different purpose, the code can be fooled when it probes a rapl_counter_arch_infos[] entry that does not belong to the running Vendor/Platform. In a long run, better to put rapl_counter_arch_infos[] into the platform_features so that this becomes Vendor/Platform specific. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2025-06-08tools/power turbostat: Allow probing RAPL with platform_features->rapl_msrs ↵Zhang Rui1-25/+24
cleared platform_features->rapl_msrs describes the RAPL MSRs supported. While RAPL Perf counters can be exposed from different kernel backend drivers, e.g. RAPL MSR I/F driver, or RAPL TPMI I/F driver. Thus, turbostat should first blindly probe all the available RAPL Perf counters, and falls back to the RAPL MSR counters if they are listed in platform_features->rapl_msrs. With this, platforms that don't have RAPL MSRs can clear the platform_features->rapl_msrs bits and use RAPL Perf counters only. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2025-06-08tools/power turbostat: Clean up add perf/msr counter logicZhang Rui1-7/+18
Increase the code readability by moving the no_perf/no_msr flag and the cai->perf_name/cai->msr sanity checks into the counter probe functions. No functional change. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2025-06-08tools/power turbostat: Introduce add_msr_counter()Zhang Rui1-9/+23
probe_rapl_msr() is reused for probing RAPL MSR counters, cstate MSR counters and MPERF/APERF/SMI MSR counters, thus its name is misleading. Similar to add_perf_counter(), introduce add_msr_counter() to probe a counter via MSR. Introduce wrapper function add_rapl_msr_counter() at the same time to add extra check for Zero return value for specified RAPL counters. No functional change intended. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2025-06-08tools/power turbostat: Remove add_msr_perf_counter_()Zhang Rui1-12/+8
As the only caller of add_msr_perf_counter_(), add_msr_perf_counter() just gives extra debug output on top. There is no need to keep both functions. Remove add_msr_perf_counter_() and move all the logic to add_msr_perf_counter(). No functional change. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
generated by cgit v1.2.3 (git 2.39.1) at 2026-01-04 10:52:27 +0000