Subject: [patch] rcu: rcutorture suspend fix
From: Ingo Molnar <[EMAIL PROTECTED]>
fix suspend hang: rcutorture threads need to be nofreeze.
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
---
kernel/rcutorture.c | 3 +++
1 file changed, 3 insertions(+)
Index: linux/kernel/rcutorture.c
===================================================================
--- linux.orig/kernel/rcutorture.c
+++ linux/kernel/rcutorture.c
@@ -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();
-
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