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SubjectRe: [PATCH 5/7] cgroup: use restart_syscall() for retries after offline waits in cgroup_subtree_control_write()
Hi Tejun,

On 2014/5/10 3:32, Tejun Heo wrote:
> After waiting for a child to finish offline,
> cgroup_subtree_control_write() jumps up to retry from after the input
> parsing and active protection breaking. This retry makes the
> scheduled locking update more difficult.

Could you explain this sentence more specific? I don't understand what
"scheduled locking update" means.

> Let's simplify it by
> returning with restart_syscall() for retries.
>
> Signed-off-by: Tejun Heo <tj@kernel.org>
> ---
> kernel/cgroup.c | 18 +++++++++---------
> 1 file changed, 9 insertions(+), 9 deletions(-)



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