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authorMathieu Desnoyers <mathieu.desnoyers@polymtl.ca>2008-11-14 17:47:34 -0500
committerIngo Molnar <mingo@elte.hu>2008-11-16 09:01:25 +0100
commit954e100d2275cb2f150f2b18d5cddcdf67b956ac (patch)
tree9142df2ddbb0715bd1ffcc6aa86fa57abab5663b /include/linux/rcupdate.h
parentc91add5fa68ea9b1f2923b3788c5dae0e60e1f6b (diff)
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rcu: add rcu_read_*_sched_notrace()
Impact: new API, useful for tracepoints and markers. Add _notrace version to rcu_read_*_sched(). Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Reviewed-by: Paul E McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/rcupdate.h')
-rw-r--r--include/linux/rcupdate.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 86f1f5e43e3..895dc9c1088 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -142,6 +142,7 @@ struct rcu_head {
* on the write-side to insure proper synchronization.
*/
#define rcu_read_lock_sched() preempt_disable()
+#define rcu_read_lock_sched_notrace() preempt_disable_notrace()
/*
* rcu_read_unlock_sched - marks the end of a RCU-classic critical section
@@ -149,6 +150,7 @@ struct rcu_head {
* See rcu_read_lock_sched for more information.
*/
#define rcu_read_unlock_sched() preempt_enable()
+#define rcu_read_unlock_sched_notrace() preempt_enable_notrace()