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authorPeter Zijlstra <peterz@infradead.org>2023-06-09 20:41:09 +0200
committerIngo Molnar <mingo@kernel.org>2023-09-13 15:01:38 +0200
commitfa614b4feb5a246474ac71b45e520a8ddefc809c (patch)
treed2dfa78b910780e71113746d43e02e5941f8c475 /kernel
parentaf7c5763f5e8bc1b3f827354a283ccaf6a8c8098 (diff)
sched: Simplify sched_move_task()
Use guards to reduce gotos and simplify control flow. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sched/core.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index d298176367f7..a3f4fb8a6841 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -10437,17 +10437,18 @@ void sched_move_task(struct task_struct *tsk)
int queued, running, queue_flags =
DEQUEUE_SAVE | DEQUEUE_MOVE | DEQUEUE_NOCLOCK;
struct task_group *group;
- struct rq_flags rf;
struct rq *rq;
- rq = task_rq_lock(tsk, &rf);
+ CLASS(task_rq_lock, rq_guard)(tsk);
+ rq = rq_guard.rq;
+
/*
* Esp. with SCHED_AUTOGROUP enabled it is possible to get superfluous
* group changes.
*/
group = sched_get_task_group(tsk);
if (group == tsk->sched_task_group)
- goto unlock;
+ return;
update_rq_clock(rq);
@@ -10472,9 +10473,6 @@ void sched_move_task(struct task_struct *tsk)
*/
resched_curr(rq);
}
-
-unlock:
- task_rq_unlock(rq, tsk, &rf);
}
static inline struct task_group *css_tg(struct cgroup_subsys_state *css)