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authorJames Bottomley <James.Bottomley@HansenPartnership.com>2016-01-07 15:51:13 -0800
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2016-01-07 15:51:13 -0800
commitabaee091a18c19ccd86feb1c8374585d82e96777 (patch)
tree01602bae73e1278c3d98dafe1c269049927c58ce /kernel/sched/sched.h
parenta2746fb16e41b7c8f02aa4d2605ecce97abbebbd (diff)
parent3f8d6f2a0797e8c650a47e5c1b5c2601a46f4293 (diff)
Merge branch 'jejb-scsi' into misc
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 efd3bfc7e347..b242775bf670 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);