drm_lock()->block_all_signals() is broken

[Linus Torvalds]

On Tue, Jul 12, 2011 at 11:15 AM, Oleg Nesterov <oleg at redhat.com> wrote:
>
> I tried many times to ask about the supposed behaviour of
> block_all_signals() in drm, but it seems nobody can answer.

It's always been broken, I think. We've had threads about it before
(years and years ago). I'd certainly be willing to just remove it
entirely, and see if anything pops up that ends up actually working
and being saner.

                   Linus