diff options
| author | Steve French <sfrench@us.ibm.com> | 2009-07-16 04:21:39 +0000 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2009-07-16 04:21:39 +0000 |
| commit | f6c43385435640e056424034caac0d765c45e370 (patch) | |
| tree | 54c2ba0a7d3abb156bc51f6b9f02e00f0a260f85 /kernel/sched.c | |
| parent | 65bc98b0059360e458aebd208587be44641227c1 (diff) | |
| parent | 35b5c55fee08e6e4001ba98060a2d0b82f70b5f4 (diff) | |
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'kernel/sched.c')
| -rw-r--r-- | kernel/sched.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 7c9098d186e6..01f55ada3598 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -6541,6 +6541,11 @@ SYSCALL_DEFINE0(sched_yield) return 0; } +static inline int should_resched(void) +{ + return need_resched() && !(preempt_count() & PREEMPT_ACTIVE); +} + static void __cond_resched(void) { #ifdef CONFIG_DEBUG_SPINLOCK_SLEEP @@ -6560,8 +6565,7 @@ static void __cond_resched(void) int __sched _cond_resched(void) { - if (need_resched() && !(preempt_count() & PREEMPT_ACTIVE) && - system_state == SYSTEM_RUNNING) { + if (should_resched()) { __cond_resched(); return 1; } @@ -6579,12 +6583,12 @@ EXPORT_SYMBOL(_cond_resched); */ int cond_resched_lock(spinlock_t *lock) { - int resched = need_resched() && system_state == SYSTEM_RUNNING; + int resched = should_resched(); int ret = 0; if (spin_needbreak(lock) || resched) { spin_unlock(lock); - if (resched && need_resched()) + if (resched) __cond_resched(); else cpu_relax(); @@ -6599,7 +6603,7 @@ int __sched cond_resched_softirq(void) { BUG_ON(!in_softirq()); - if (need_resched() && system_state == SYSTEM_RUNNING) { + if (should_resched()) { local_bh_enable(); __cond_resched(); local_bh_disable(); |