diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2026-05-26 12:00:59 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2026-06-02 12:26:10 +0200 |
| commit | 56e50ff567810db208cc37d9e17b8df044a9158c (patch) | |
| tree | 81e08128b86f03b37a2ed611babe4d879a4f486c /kernel/sched | |
| parent | c0404dd88d124714351f7a961d3313ee0f2f036b (diff) | |
sched: Simplify ttwu_runnable()
Note that both proxy and delayed tasks have ->is_blocked set. Use this one
condition to guard both paths.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/20260526113322.714832584%40infradead.org
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/core.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index d5795188d5b6..5a317f62a516 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -3764,9 +3764,6 @@ static inline void proxy_reset_donor(struct rq *rq) */ static inline bool proxy_needs_return(struct rq *rq, struct task_struct *p) { - if (!p->is_blocked) - return false; - /* * Typically per __set_task_cpu(), task_cpu(p) == p->wake_cpu. * @@ -3875,10 +3872,12 @@ static int ttwu_runnable(struct task_struct *p, int wake_flags) return 0; update_rq_clock(rq); - if (p->se.sched_delayed) - enqueue_task(rq, p, ENQUEUE_NOCLOCK | ENQUEUE_DELAYED); - if (proxy_needs_return(rq, p)) - return 0; + if (p->is_blocked) { + if (p->se.sched_delayed) + enqueue_task(rq, p, ENQUEUE_NOCLOCK | ENQUEUE_DELAYED); + if (proxy_needs_return(rq, p)) + return 0; + } if (!task_on_cpu(rq, p)) { /* * When on_rq && !on_cpu the task is preempted, see if |