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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
commit 1d61548254
8 changed files with 61 additions and 61 deletions
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2
include/linux/sched.h
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@ -1409,7 +1409,7 @@ struct task_struct {
#endif
/* Protection of the PI data structures: */
spinlock_t pi_lock;
raw_spinlock_t pi_lock;
#ifdef CONFIG_RT_MUTEXES
/* PI waiters blocked on a rt_mutex held by this task */