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| author | Ingo Molnar <mingo@kernel.org> | 2025-05-28 10:09:13 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2025-06-13 08:47:21 +0200 |
| commit | 8a9246ddc16c0feaa3b09ca9d2e30fbfa88d09de (patch) | |
| tree | 10561d83f2f45e425e373c1e0f5bfe42fb406fa8 /kernel | |
| parent | sched/smp: Use the SMP version of schedstats (diff) | |
| download | linux-8a9246ddc16c0feaa3b09ca9d2e30fbfa88d09de.tar.gz linux-8a9246ddc16c0feaa3b09ca9d2e30fbfa88d09de.zip | |
sched/smp: Use the SMP version of the scheduler syscalls
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
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/syscalls.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/kernel/sched/syscalls.c b/kernel/sched/syscalls.c index d7fccf871c7d..77ae87f36e84 100644 --- a/kernel/sched/syscalls.c +++ b/kernel/sched/syscalls.c @@ -209,10 +209,8 @@ int idle_cpu(int cpu) if (rq->nr_running) return 0; -#ifdef CONFIG_SMP if (rq->ttwu_pending) return 0; -#endif return 1; } @@ -641,7 +639,6 @@ change: goto unlock; } #endif /* CONFIG_RT_GROUP_SCHED */ -#ifdef CONFIG_SMP if (dl_bandwidth_enabled() && dl_policy(policy) && !(attr->sched_flags & SCHED_FLAG_SUGOV)) { cpumask_t *span = rq->rd->span; @@ -657,7 +654,6 @@ change: goto unlock; } } -#endif /* CONFIG_SMP */ } /* Re-check policy now with rq lock held: */ @@ -1239,7 +1235,7 @@ long sched_setaffinity(pid_t pid, const struct cpumask *in_mask) user_mask = alloc_user_cpus_ptr(NUMA_NO_NODE); if (user_mask) { cpumask_copy(user_mask, in_mask); - } else if (IS_ENABLED(CONFIG_SMP)) { + } else { return -ENOMEM; } |