Re: [PATCH 1/19] MUTEX: Introduce simple mutex implementation

Arjan van de Ven
2005-12-14T11:55:39Z

On Wed, 2005-12-14 at 12:52 +0100, Andi Kleen wrote:
> > * mutex use is a candidate for a "spinaphore" treatment (unlike counting
> > semaphores)
>
> I think that would be interesting experiment for page faults.
> But they actually use rwsems, not normal semaphores.

at least rwsems are only used as mutexes afaik... so those would just
end up being mutexes.. .and could thus do this too...

(I don't think anyone ever thought of doing a counting rwsem... at least
I sure hope so; the page fault one sure is a mutex)