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authorLinus Torvalds <torvalds@linux-foundation.org>2015-05-15 15:42:33 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2015-05-15 15:42:33 -0400
commit14db1e8dc08ca1b1ad8aa20e6ebfe0b395bbe5bf (patch)
tree04bc01379de22f1346e06cb6eb0dd46d44c51492 /kernel/locking
parentef4a293a4417fc5f50b0b83b62deb9ead8423256 (diff)
parent533445c6e53368569e50ab3fb712230c03d523f3 (diff)
Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar: "Two fixes: a suspend/resume related regression fix, and an RT priority boosting fix" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/core: Fix regression in cpuset_cpu_inactive() for suspend sched: Handle priority boosted tasks proper in setscheduler()
Diffstat (limited to 'kernel/locking')
-rw-r--r--kernel/locking/rtmutex.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index b73279367087..b025295f4966 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -265,15 +265,17 @@ struct task_struct *rt_mutex_get_top_task(struct task_struct *task)
265} 265}
266 266
267/* 267/*
268 * Called by sched_setscheduler() to check whether the priority change 268 * Called by sched_setscheduler() to get the priority which will be
269 * is overruled by a possible priority boosting. 269 * effective after the change.
270 */ 270 */
271int rt_mutex_check_prio(struct task_struct *task, int newprio) 271int rt_mutex_get_effective_prio(struct task_struct *task, int newprio)
272{ 272{
273 if (!task_has_pi_waiters(task)) 273 if (!task_has_pi_waiters(task))
274 return 0; 274 return newprio;
275 275
276 return task_top_pi_waiter(task)->task->prio <= newprio; 276 if (task_top_pi_waiter(task)->task->prio <= newprio)
277 return task_top_pi_waiter(task)->task->prio;
278 return newprio;
277} 279}
278 280
279/* 281/*