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| author | Grant Likely <grant.likely@secretlab.ca> | 2011-04-07 11:15:50 -0700 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2011-04-07 11:15:50 -0700 |
| commit | 454abcc57f1d48a976291bc4af73b5f087e21d70 (patch) | |
| tree | 5bba999ea3f31527da02b60604531cc5fb52ea57 /kernel/sched.c | |
| parent | 88aab9341a315d81118be6b41c45e4fe32b94bc1 (diff) | |
| parent | 6221f222c0ebf1acdf7abcf927178f40e1a65e2a (diff) | |
| download | olio-linux-3.10-454abcc57f1d48a976291bc4af73b5f087e21d70.tar.xz olio-linux-3.10-454abcc57f1d48a976291bc4af73b5f087e21d70.zip | |
Merge commit 'v2.6.39-rc2' into spi/merge
Diffstat (limited to 'kernel/sched.c')
| -rw-r--r-- | kernel/sched.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index f592ce6f861..a8845516ace 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -5011,6 +5011,17 @@ recheck: return -EINVAL; } + /* + * If not changing anything there's no need to proceed further: + */ + if (unlikely(policy == p->policy && (!rt_policy(policy) || + param->sched_priority == p->rt_priority))) { + + __task_rq_unlock(rq); + raw_spin_unlock_irqrestore(&p->pi_lock, flags); + return 0; + } + #ifdef CONFIG_RT_GROUP_SCHED if (user) { /* |