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Commit afef2054 authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

rcu: Streamline code produced by __rcu_read_unlock() 



This is a port of commit #be0e1e21 to TINY_PREEMPT_RCU.  This uses
noinline to prevent rcu_read_unlock_special() from being inlined into
__rcu_read_unlock().

Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
parent 26861faf

kernel/rcutiny_plugin.h

+1 −1
Original line number Original line Diff line number Diff line
@@ -544,7 +544,7 @@ EXPORT_SYMBOL_GPL(__rcu_read_lock); 
 * notify RCU core processing or task having blocked during the RCU

 * notify RCU core processing or task having blocked during the RCU

 * read-side critical section.

 * read-side critical section.

 */

 */

static void rcu_read_unlock_special(struct task_struct *t)

static noinline void rcu_read_unlock_special(struct task_struct *t)

{

{

	int empty;

	int empty;

	int empty_exp;

	int empty_exp;