[PATCH 0/1] (Was: freezer: add missing mb's to freezer_count() and freezer_should_skip())
oleg at redhat.com
Thu Oct 25 16:39:41 UTC 2012
On 10/24, Tejun Heo wrote:
> Hello, Oleg.
> On Tue, Oct 23, 2012 at 05:39:19PM +0200, Oleg Nesterov wrote:
> > > Hmm.... Guess we should drop __ from set_current_state.
> > Yes.
> > Or we can change ptrace_stop() and do_signal_stop() to use freezer_do_not_count/
> > freezer_count and remove task_is_stopped_or_traced() from update_if_frozen()
> > and try_to_freeze_tasks(). But this means that do_signal_stop() will call
> > try_to_freeze() twice, unless we add __freezer_count() which only clears
> > PF_FREEZER_SKIP.
> Ooh, I like this idea. If we have a mechanism to mark a task "frozen
> enough", it makes sense to use it universally.
Yes, I agree.
Fortunately we already have freezable_schedule() so this patch is
On top of this series.
More information about the Containers