diff options
| author | Todd Poynor <tpoynor@mvista.com> | 2005-07-12 03:34:39 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@mtd.linutronix.de> | 2005-07-13 00:58:44 +0200 |
| commit | a98a5d04f400ad112e59cadd739dbabf89417e60 (patch) | |
| tree | 5eeb7f45c0090de40c7523e2b9dfd5e86b22169e /kernel/sched.c | |
| parent | 751382dd5cb2702368d281a50b55c2d6c4e8fbfc (diff) | |
| parent | 7ac3db59fd4410405ce55e2a25c397aec440d8da (diff) | |
Merge with rsync://fileserver/linux
Diffstat (limited to 'kernel/sched.c')
| -rw-r--r-- | kernel/sched.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 5f2182d42241..4107db0dc091 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -3877,6 +3877,13 @@ asmlinkage long sys_sched_yield(void) static inline void __cond_resched(void) { + /* + * The BKS might be reacquired before we have dropped + * PREEMPT_ACTIVE, which could trigger a second + * cond_resched() call. + */ + if (unlikely(preempt_count())) + return; do { add_preempt_count(PREEMPT_ACTIVE); schedule(); |