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sched: Convert pi_lock to raw_spinlock

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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>
This commit is contained in:
Thomas Gleixner
2009-11-17 14:54:03 +01:00
parent fe841226bd
commit 1d61548254
8 changed files with 61 additions and 61 deletions
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kernel/exit.c
+1 -1
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@@ -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",