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authorThomas Gleixner <tglx@linutronix.de>2009-11-17 14:54:03 +0100
committerThomas Gleixner <tglx@linutronix.de>2009-12-14 23:55:33 +0100
commit1d615482547584b9a8bb6316a58fed6ce90dd9ff (patch)
tree21dae4b70acb3ce0bdaeeaee1dbd970be41d26e2 /kernel/exit.c
parentfe841226bd954fba4fd79f037a876053fe9c3217 (diff)
downloadblackbird-op-linux-1d615482547584b9a8bb6316a58fed6ce90dd9ff.tar.gz
blackbird-op-linux-1d615482547584b9a8bb6316a58fed6ce90dd9ff.zip
sched: Convert pi_lock to raw_spinlock
Convert locks which cannot be sleeping locks in preempt-rt to raw_spinlocks. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/exit.c')
-rw-r--r--kernel/exit.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/exit.c b/kernel/exit.c
index 6f50ef55a6f3..5962d7ccf243 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -933,7 +933,7 @@ NORET_TYPE void do_exit(long code)
* an exiting task cleaning up the robust pi futexes.
*/
smp_mb();
- spin_unlock_wait(&tsk->pi_lock);
+ raw_spin_unlock_wait(&tsk->pi_lock);
if (unlikely(in_atomic()))
printk(KERN_INFO "note: %s[%d] exited with preempt_count %d\n",
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