Commit-ID: 73215849dfbf63421c1cafea5a1b6da9bb17831e Gitweb: http://git.kernel.org/tip/73215849dfbf63421c1cafea5a1b6da9bb17831e Author: Byungchul Park <[email protected]> AuthorDate: Fri, 12 May 2017 09:39:44 +0900 Committer: Ingo Molnar <[email protected]> CommitDate: Tue, 23 May 2017 10:01:33 +0200
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 <[email protected]> Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Cc: <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]> --- kernel/sched/core.c | 15 +++------------ 1 file changed, 3 insertions(+), 12 deletions(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index dde5d1e..4a31239 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); }
