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authorIngo Molnar <mingo@kernel.org>2015-12-04 09:27:36 (GMT)
committerIngo Molnar <mingo@kernel.org>2015-12-04 09:27:36 (GMT)
commit467386fbbf085e716570813a5d3be3927c348e11 (patch)
tree217d3138600f8a7bec23dc9bf0dc845caf715700 /kernel/sched/sched.h
parent525628c73bd6af65f27d927e699e7460d7d55ed3 (diff)
parentecf7d01c229d11a44609c0067889372c91fb4f36 (diff)
downloadlinux-467386fbbf085e716570813a5d3be3927c348e11.tar.xz
Merge branch 'sched/urgent' into sched/core, to pick up fixes before applying new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/sched.h')
-rw-r--r--kernel/sched/sched.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 2eb2002..cdae23d 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1073,6 +1073,9 @@ static inline void finish_lock_switch(struct rq *rq, struct task_struct *prev)
* We must ensure this doesn't happen until the switch is completely
* finished.
*
+ * In particular, the load of prev->state in finish_task_switch() must
+ * happen before this.
+ *
* Pairs with the control dependency and rmb in try_to_wake_up().
*/
smp_store_release(&prev->on_cpu, 0);