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| author | Ingo Molnar <mingo@elte.hu> | 2010-05-13 08:11:26 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-05-13 08:11:29 +0200 |
| commit | ad56b0797e67df5e04b2f1a1e02900145c5c16f2 (patch) | |
| tree | 1569bed80a4de531afb88cac9d60ef8bd0aa89f2 /kernel/cgroup_freezer.c | |
| parent | 668eb65f092902eb7dd526af73d4a7f025a94612 (diff) | |
| parent | b57f95a38233a2e73b679bea4a5453a1cc2a1cc9 (diff) | |
Merge commit 'v2.6.34-rc7' into tracing/core
Merge reason: Update from -rc5 to -rc7.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 da5e1397553..e5c0244962b 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 |