[RFC] [PATCH 1/2] cgroups: read-write lock CLONE_THREAD forking per threadgroup

Paul Menage menage at google.com
Mon Mar 22 16:57:05 PDT 2010

On Mon, Mar 22, 2010 at 3:22 AM, Oleg Nesterov <oleg at redhat.com> wrote:
> Please use ->signal instead. By the lucky coincidence the lifetime rules
> for (greatly misnamed) signal_struct were changed recently in -mm.
> With the recent changes, it is always safe to use task->signal. It can't
> be changed, can't go away, no need to bump the counter, no races, etc.
> What do you think?

If signal_struct is much simpler to reason about, then using it seems
like a good idea.


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