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| author | Andreas Mohr <andi@lisas.de> | 2006-03-27 13:15:20 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-27 20:44:43 +0400 |
| commit | 77e4bfbcf071f795b54862455dce8902b3fc29c2 (patch) | |
| tree | cde3cb39a72de0bb8b42c1c5752f25b3b16bf5ee | |
| parent | 013d3868143387be99bb0373d49452eaa3c55d41 (diff) | |
| download | linux-77e4bfbcf071f795b54862455dce8902b3fc29c2.tar.xz | |
[PATCH] Small schedule() optimization
small schedule() microoptimization.
Signed-off-by: Andreas Mohr <andi@lisas.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | kernel/sched.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index dc599c85a88d..a96a05d23262 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -2879,13 +2879,11 @@ asmlinkage void __sched schedule(void) * schedule() atomically, we ignore that path for now. * Otherwise, whine if we are scheduling when we should not be. */ - if (likely(!current->exit_state)) { - if (unlikely(in_atomic())) { - printk(KERN_ERR "BUG: scheduling while atomic: " - "%s/0x%08x/%d\n", - current->comm, preempt_count(), current->pid); - dump_stack(); - } + if (unlikely(in_atomic() && !current->exit_state)) { + printk(KERN_ERR "BUG: scheduling while atomic: " + "%s/0x%08x/%d\n", + current->comm, preempt_count(), current->pid); + dump_stack(); } profile_hit(SCHED_PROFILING, __builtin_return_address(0)); |