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Date: Thu, 6 Jul 2006 21:32:38 +0200 (MEST)
From: Jan Engelhardt <jengelh@linux01.gwdg.de>
To: Linus Torvalds <torvalds@osdl.org>
cc: "linux-os (Dick Johnson)" <linux-os@analogic.com>,
       Ingo Molnar <mingo@elte.hu>, Andrew Morton <akpm@osdl.org>,
       linux-kernel@vger.kernel.org, arjan@infradead.org
Subject: Re: [patch] spinlocks: remove 'volatile'
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>> Any other use of "volatile" is almost certainly a bug, or just useless. 
>
>That's not just a theoretical notion, btw. We had _tons_ of these kinds of 
>"volatile"s in the original old networking code. They were _all_ wrong. 
>Every single one.
>

$ find linux-2.6.17 -type f -iname '*.[ch]' -print0 | xargs -0 grep 
volatile | wc -l
13948

Tough job.


Jan Engelhardt
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