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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 /include
parentfe841226bd954fba4fd79f037a876053fe9c3217 (diff)
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 'include')
-rw-r--r--include/linux/init_task.h2
-rw-r--r--include/linux/sched.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 8d10aa7fd4c..abec69b63d7 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -165,7 +165,7 @@ extern struct cred init_cred;
.journal_info = NULL, \
.cpu_timers = INIT_CPU_TIMERS(tsk.cpu_timers), \
.fs_excl = ATOMIC_INIT(0), \
- .pi_lock = __SPIN_LOCK_UNLOCKED(tsk.pi_lock), \
+ .pi_lock = __RAW_SPIN_LOCK_UNLOCKED(tsk.pi_lock), \
.timer_slack_ns = 50000, /* 50 usec default slack */ \
.pids = { \
[PIDTYPE_PID] = INIT_PID_LINK(PIDTYPE_PID), \
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 294eb2f8014..41a9ea322dc 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -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 */