Messages in this thread | | | Date | Tue, 13 May 2014 13:00:11 +0800 | From | Li Zefan <> | Subject | Re: [PATCH 5/7] cgroup: use restart_syscall() for retries after offline waits in cgroup_subtree_control_write() |
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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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