[PATCH] cond_resched() might_sleep() fix

add the __might_sleep() check back to cond_resched().

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/kernel/sched.c b/kernel/sched.c
index 87665132cec1..5dbc42694477 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4053,6 +4053,9 @@ asmlinkage long sys_sched_yield(void)
 
 static inline void __cond_resched(void)
 {
+#ifdef CONFIG_DEBUG_SPINLOCK_SLEEP
+        __might_sleep(__FILE__, __LINE__);
+#endif
         /*
          * The BKS might be reacquired before we have dropped
          * PREEMPT_ACTIVE, which could trigger a second