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Commit e4e6bdbb authored by Ingo Molnar's avatar Ingo Molnar Committed by Linus Torvalds
Browse files

[PATCH] rcu: rcutorture suspend fix 



Fix suspend hang: rcutorture threads need to be nofreeze.

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Acked-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 52e88f5d

kernel/rcutorture.c

+3 −0
Original line number Diff line number Diff line
@@ -522,6 +522,7 @@ rcu_torture_writer(void *arg) 


	VERBOSE_PRINTK_STRING("rcu_torture_writer task started");

	set_user_nice(current, 19);

	current->flags |= PF_NOFREEZE;



	do {

		schedule_timeout_uninterruptible(1);
@@ -561,6 +562,7 @@ rcu_torture_fakewriter(void *arg) 


	VERBOSE_PRINTK_STRING("rcu_torture_fakewriter task started");

	set_user_nice(current, 19);

	current->flags |= PF_NOFREEZE;



	do {

		schedule_timeout_uninterruptible(1 + rcu_random(&rand)%10);
@@ -591,6 +593,7 @@ rcu_torture_reader(void *arg) 


	VERBOSE_PRINTK_STRING("rcu_torture_reader task started");

	set_user_nice(current, 19);

	current->flags |= PF_NOFREEZE;



	do {

		idx = cur_ops->readlock();