Re: [PATCH 2/4] ptrace: ensure arch_ptrace/ptrace_request can never race with SIGKILL

Linus Torvalds
2013-01-21T18:28:20Z

On Mon, Jan 21, 2013 at 9:21 AM, Oleg Nesterov <oleg@redhat.com> wrote:
>
> This is what initial patch did. But, assuming that ptrace_unfreeze_traced()
> is called unconditionally, we need a locking or barriers, otherwise

Ahh. Fair enough.

I guess that works then. It's a bit sad, but at least I see why you did it.

Linus