Re: [patch] 2.4.4 alpha semaphores optimization

[Richard Henderson]

On Thu, May 03, 2001 at 07:47:47PM +0400, Ivan Kokshaysky wrote:
>  - removed some mb's for non-SMP

This isn't correct.  Either you need atomic updates or you don't.
If you don't, then you shouldn't be using ll/sc at all.  If you do
(perhaps to coordinate with devices) then the barriers are required.

>  - removed non-inline up()/down_xx() when semaphore/waitqueue debugging
>    isn't enabled.

They should still be exported for module compatibility.

r~