From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Howells <dhowells@redhat.com>
Subject: Re: [PATCH 1/3] X86: Optimise fls(), ffs() and fls64()
Date: Wed, 14 Apr 2010 12:49:20 +0100
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To: Linus Torvalds <torvalds@linux-foundation.org>, Matthew Wilcox <matthew@wil.cx>
Cc: dhowells@redhat.com, Ralf Baechle <ralf@linux-mips.org>, mingo@elte.hu, tglx@linutronix.de, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org

Matthew Wilcox <matthew@wil.cx> wrote:

> I don't know whether we can get it /documented/, but the architect I
> asked said "We'll never get away with reverting to the older behavior,
> so in essence the architecture is set to not overwrite."

Does that mean we can rely on it?  Linus?

David