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[PATCH] rcu: rcutorture suspend fix

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Fix suspend hang: rcutorture threads need to be nofreeze.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ingo Molnar 2006-12-29 16:47:14 -08:00 committed by Linus Torvalds
parent 52e88f5d4a
commit e4e6bdbb42
1 changed files with 3 additions and 0 deletions
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3
kernel/rcutorture.c
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@ -522,6 +522,7 @@ rcu_torture_writer(void *arg)
VERBOSE_PRINTK_STRING("rcu_torture_writer task started"); VERBOSE_PRINTK_STRING("rcu_torture_writer task started");
set_user_nice(current, 19); set_user_nice(current, 19);
current->flags |= PF_NOFREEZE;
do { do {
schedule_timeout_uninterruptible(1); schedule_timeout_uninterruptible(1);
@ -561,6 +562,7 @@ rcu_torture_fakewriter(void *arg)
VERBOSE_PRINTK_STRING("rcu_torture_fakewriter task started"); VERBOSE_PRINTK_STRING("rcu_torture_fakewriter task started");
set_user_nice(current, 19); set_user_nice(current, 19);
current->flags |= PF_NOFREEZE;
do { do {
schedule_timeout_uninterruptible(1 + rcu_random(&rand)%10); 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"); VERBOSE_PRINTK_STRING("rcu_torture_reader task started");
set_user_nice(current, 19); set_user_nice(current, 19);
current->flags |= PF_NOFREEZE;
do { do {
idx = cur_ops->readlock(); idx = cur_ops->readlock();