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| author | David S. Miller <davem@davemloft.net> | 2010-05-12 09:05:35 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-05-12 09:05:35 +0200 |
| commit | 278554bd6579206921f5d8a523649a7a57f8850d (patch) | |
| tree | 4e6c527daf0910e455b3aa72e2c96b0479e430be /kernel/cgroup_freezer.c | |
| parent | ar9170: fix for driver-core ABI change (diff) | |
| parent | Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/g... (diff) | |
| download | linux-278554bd6579206921f5d8a523649a7a57f8850d.tar.xz linux-278554bd6579206921f5d8a523649a7a57f8850d.zip | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
Documentation/feature-removal-schedule.txt
drivers/net/wireless/ath/ar9170/usb.c
drivers/scsi/iscsi_tcp.c
net/ipv4/ipmr.c
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 |