Messages in this thread |  | | Date | Fri, 4 May 2001 14:12:40 -0700 | From | Richard Henderson <> | Subject | Re: [patch] 2.4.4 alpha semaphores optimization |
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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.
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