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authorIngo Molnar <mingo@elte.hu>2006-12-29 19:47:14 -0500
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-30 13:55:55 -0500
commite4e6bdbb426d1ecd9e4587f22115f8d0d426d21f (patch)
treef688386a4c6981d0cc347f4c166f74d878157acf /kernel/rcutorture.c
parent52e88f5d4a6b06f3a945728dd3bc403632afe069 (diff)
[PATCH] rcu: rcutorture suspend fix
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>
Diffstat (limited to 'kernel/rcutorture.c')
-rw-r--r--kernel/rcutorture.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
index c52f981ea008..482b11ff65cb 100644
--- a/kernel/rcutorture.c
+++ b/kernel/rcutorture.c
@@ -522,6 +522,7 @@ rcu_torture_writer(void *arg)
522 522
523 VERBOSE_PRINTK_STRING("rcu_torture_writer task started"); 523 VERBOSE_PRINTK_STRING("rcu_torture_writer task started");
524 set_user_nice(current, 19); 524 set_user_nice(current, 19);
525 current->flags |= PF_NOFREEZE;
525 526
526 do { 527 do {
527 schedule_timeout_uninterruptible(1); 528 schedule_timeout_uninterruptible(1);
@@ -561,6 +562,7 @@ rcu_torture_fakewriter(void *arg)
561 562
562 VERBOSE_PRINTK_STRING("rcu_torture_fakewriter task started"); 563 VERBOSE_PRINTK_STRING("rcu_torture_fakewriter task started");
563 set_user_nice(current, 19); 564 set_user_nice(current, 19);
565 current->flags |= PF_NOFREEZE;
564 566
565 do { 567 do {
566 schedule_timeout_uninterruptible(1 + rcu_random(&rand)%10); 568 schedule_timeout_uninterruptible(1 + rcu_random(&rand)%10);
@@ -591,6 +593,7 @@ rcu_torture_reader(void *arg)
591 593
592 VERBOSE_PRINTK_STRING("rcu_torture_reader task started"); 594 VERBOSE_PRINTK_STRING("rcu_torture_reader task started");
593 set_user_nice(current, 19); 595 set_user_nice(current, 19);
596 current->flags |= PF_NOFREEZE;
594 597
595 do { 598 do {
596 idx = cur_ops->readlock(); 599 idx = cur_ops->readlock();