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Commit 954e100d authored by Mathieu Desnoyers's avatar Mathieu Desnoyers Committed by Ingo Molnar
Browse files

rcu: add rcu_read_*_sched_notrace() 



Impact: new API, useful for tracepoints and markers.

Add _notrace version to rcu_read_*_sched().

Signed-off-by: default avatarMathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Reviewed-by: default avatarPaul E McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent c91add5f

include/linux/rcupdate.h

+2 −0
Original line number Diff line number Diff line
@@ -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()