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Commit ab8f11e5 authored by Paul E. McKenney's avatar Paul E. McKenney Committed by Paul E. McKenney
Browse files

rcu: Make rcu_torture_boost() exit loops at end of test 



One of the loops in rcu_torture_boost() fails to check kthread_should_stop(),
and thus might be slowing or even stopping completion of rcutorture tests
at rmmod time.  This commit adds the kthread_should_stop() check to the
offending loop.

Signed-off-by: default avatarPaul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
parent 93898fb1

kernel/rcutorture.c

+2 −1
Original line number Original line Diff line number Diff line
@@ -779,7 +779,8 @@ static int rcu_torture_boost(void *arg) 
		 * interval.  Besides, we are running at RT priority,

		 * interval.  Besides, we are running at RT priority,

		 * so delays should be relatively rare.

		 * so delays should be relatively rare.

		 */

		 */

		while (oldstarttime == boost_starttime) {

		while (oldstarttime == boost_starttime &&

		       !kthread_should_stop()) {

			if (mutex_trylock(&boost_mutex)) {

			if (mutex_trylock(&boost_mutex)) {

				boost_starttime = jiffies +

				boost_starttime = jiffies +

						  test_boost_interval * HZ;

						  test_boost_interval * HZ;