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Date: Sat, 23 Feb 2002 10:28:05 -0800
From: Larry McVoy <lm@bitmover.com>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: Ingo Molnar <mingo@elte.hu>, Rusty Russell <rusty@rustcorp.com.au>,
        Matthew Kirkwood <matthew@hairy.beasts.org>,
        Benjamin LaHaise <bcrl@redhat.com>, David Axmark <david@mysql.com>,
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        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Lightweight userspace semaphores...
Message-ID: <20020223102805.F11156@work.bitmover.com>
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	Linus Torvalds <torvalds@transmeta.com>,
	Ingo Molnar <mingo@elte.hu>, Rusty Russell <rusty@rustcorp.com.au>,
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> Also, one thing possibly worth looking into is to just put the actual
> semaphore contents into a regular file backed setup.
> 
> 		Linus

Exactly.  SMP gives you coherent memory and test-and-set or some other
atomic operation.  Why not use it?
-- 
---
Larry McVoy            	 lm at bitmover.com           http://www.bitmover.com/lm 
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