summaryrefslogtreecommitdiff
path: root/kernel/sched/core.c
diff options
context:
space:
mode:
authorByungchul Park <byungchul.park@lge.com>2017-05-12 09:39:44 +0900
committerIngo Molnar <mingo@kernel.org>2017-05-23 10:01:33 +0200
commit73215849dfbf63421c1cafea5a1b6da9bb17831e (patch)
tree60298c0fc2e735a7861ea141f057185238243631 /kernel/sched/core.c
parentd714893e61cd8c6e5c7e095f7dd615aa434bca95 (diff)
sched/core: Use the new llist_for_each_entry_safe() primitive
Now that we've added llist_for_each_entry_safe(), use it to simplify an open coded version of it in sched_ttwu_pending(). Signed-off-by: Byungchul Park <byungchul.park@lge.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: <kernel-team@lge.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1494549584-11730-1-git-send-email-byungchul.park@lge.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/core.c')
-rw-r--r--kernel/sched/core.c15
1 files changed, 3 insertions, 12 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index dde5d1e860f0..4a31239956da 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1731,7 +1731,7 @@ void sched_ttwu_pending(void)
{
struct rq *rq = this_rq();
struct llist_node *llist = llist_del_all(&rq->wake_list);
- struct task_struct *p;
+ struct task_struct *p, *t;
struct rq_flags rf;
if (!llist)
@@ -1740,17 +1740,8 @@ void sched_ttwu_pending(void)
rq_lock_irqsave(rq, &rf);
update_rq_clock(rq);
- while (llist) {
- int wake_flags = 0;
-
- p = llist_entry(llist, struct task_struct, wake_entry);
- llist = llist_next(llist);
-
- if (p->sched_remote_wakeup)
- wake_flags = WF_MIGRATED;
-
- ttwu_do_activate(rq, p, wake_flags, &rf);
- }
+ llist_for_each_entry_safe(p, t, llist, wake_entry)
+ ttwu_do_activate(rq, p, p->sched_remote_wakeup ? WF_MIGRATED : 0, &rf);
rq_unlock_irqrestore(rq, &rf);
}