diff options
| author | Ingo Molnar <mingo@kernel.org> | 2025-05-28 10:09:05 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2025-06-13 08:47:19 +0200 |
| commit | 8039addbe5a56e4108b1bea57aa5b3f70750fed9 (patch) | |
| tree | d33132528619bb9e82bb850ece00c8ffbed19a59 /kernel | |
| parent | sched/smp: Use the SMP version of try_to_wake_up() (diff) | |
| download | linux-8039addbe5a56e4108b1bea57aa5b3f70750fed9.tar.gz linux-8039addbe5a56e4108b1bea57aa5b3f70750fed9.zip | |
sched/smp: Use the SMP version of __task_needs_rq_lock()
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
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/core.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index d20fea6a380e..82b7cdb353d8 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -4312,14 +4312,12 @@ static bool __task_needs_rq_lock(struct task_struct *p) if (p->on_rq) return true; -#ifdef CONFIG_SMP /* * Ensure the task has finished __schedule() and will not be referenced * anymore. Again, see try_to_wake_up() for a longer comment. */ smp_rmb(); smp_cond_load_acquire(&p->on_cpu, !VAL); -#endif return false; } |