diff options
author | Tony Lindgren <tony@atomide.com> | 2010-05-20 11:07:23 -0700 |
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committer | Tony Lindgren <tony@atomide.com> | 2010-05-20 11:07:23 -0700 |
commit | df760137ad3cbfa15ceed42478f81bff01b6e799 (patch) | |
tree | be939c9d11094858d74141a4c62cb23f477754d8 /kernel/cgroup_freezer.c | |
parent | 754b8e653412106ff613f4750b197f807fcd8347 (diff) | |
parent | de997718b64df2f766736f23f8557da450b83a25 (diff) |
Merge branch 'omap-boards' into omap-for-linus
Diffstat (limited to 'kernel/cgroup_freezer.c')
-rw-r--r-- | kernel/cgroup_freezer.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/cgroup_freezer.c b/kernel/cgroup_freezer.c index da5e13975531..e5c0244962b0 100644 --- a/kernel/cgroup_freezer.c +++ b/kernel/cgroup_freezer.c @@ -205,9 +205,12 @@ static void freezer_fork(struct cgroup_subsys *ss, struct task_struct *task) * No lock is needed, since the task isn't on tasklist yet, * so it can't be moved to another cgroup, which means the * freezer won't be removed and will be valid during this - * function call. + * function call. Nevertheless, apply RCU read-side critical + * section to suppress RCU lockdep false positives. */ + rcu_read_lock(); freezer = task_freezer(task); + rcu_read_unlock(); /* * The root cgroup is non-freezable, so we can skip the |