rcu: add rcu_read_*_sched_notrace() (954e100d) · Commits · 戴 / test

Impact: new API, useful for tracepoints and markers. Add _notrace version to rcu_read_*_sched(). Signed-off-by:

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()