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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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4
kernel/fork.c
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@ -939,9 +939,9 @@ SYSCALL_DEFINE1(set_tid_address, int __user *, tidptr)
static void rt_mutex_init_task(struct task_struct *p)
{
spin_lock_init(&p->pi_lock);
raw_spin_lock_init(&p->pi_lock);
#ifdef CONFIG_RT_MUTEXES
plist_head_init(&p->pi_waiters, &p->pi_lock);
plist_head_init_raw(&p->pi_waiters, &p->pi_lock);
p->pi_blocked_on = NULL;
#endif
}