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| author | Thomas Gleixner <tglx@linutronix.de> | 2009-11-17 14:54:03 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2009-12-14 23:55:33 +0100 |
| commit | 1d615482547584b9a8bb6316a58fed6ce90dd9ff (patch) | |
| tree | 21dae4b70acb3ce0bdaeeaee1dbd970be41d26e2 /kernel/fork.c | |
| parent | fe841226bd954fba4fd79f037a876053fe9c3217 (diff) | |
| download | lwn-1d615482547584b9a8bb6316a58fed6ce90dd9ff.tar.gz lwn-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/fork.c')
| -rw-r--r-- | kernel/fork.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 1415dc4598ae..9bd91447e052 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -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 } |