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| author |   Frederic Weisbecker <fweisbec@gmail.com> | 2012-02-08 03:37:26 +0100 |
|---|---|---|
| committer |   Tejun Heo <tj@kernel.org> | 2012-02-21 09:46:43 -0800 |
| commit | 9a4b430451bb6d8d6b7dcdfbee0e1330b7c475a6 (patch) | |
| tree | aa9a075b658a5045779e6d2463715126263f21dc /kernel/cgroup.c | |
| parent | cgroup: remove cgroup_subsys argument from callbacks (diff) | |
| download | linux-dev-9a4b430451bb6d8d6b7dcdfbee0e1330b7c475a6.tar.xz linux-dev-9a4b430451bb6d8d6b7dcdfbee0e1330b7c475a6.zip | |
cgroup: Remove wrong comment on cgroup_enable_task_cg_list()
Remove the stale comment about RCU protection. Many callers
(all of them?) of cgroup_enable_task_cg_list() don't seem
to be in an RCU read side critical section. Besides, RCU is
not helpful to protect against while_each_thread().
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Mandeep Singh Baines <msb@chromium.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/cgroup.c')
| -rw-r--r-- | kernel/cgroup.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 865d89a580c7..6e4eb4312571 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -2701,9 +2701,6 @@ static void cgroup_advance_iter(struct cgroup *cgrp, * using their cgroups capability, we don't maintain the lists running * through each css_set to its tasks until we see the list actually * used - in other words after the first call to cgroup_iter_start(). - * - * The tasklist_lock is not held here, as do_each_thread() and - * while_each_thread() are protected by RCU. */ static void cgroup_enable_task_cg_lists(void) { |