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From: David Howells <dhowells@redhat.com>
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
Subject: Re: [PATCH 1/3] X86: Optimise fls(), ffs() and fls64()
Date: Wed, 14 Apr 2010 12:49:20 +0100	[thread overview]
Message-ID: <17213.1271245760@redhat.com> (raw)
In-Reply-To: <20100406133026.GD20577@parisc-linux.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

  reply	other threads:[~2010-04-14 11:49 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-26 14:42 [PATCH 1/3] X86: Optimise fls(), ffs() and fls64() David Howells
2010-03-26 14:42 ` [PATCH 2/3] Adjust the comment on get_order() to describe the size==0 case David Howells
2010-03-26 14:42 ` [PATCH 3/3] Optimise get_order() David Howells
2010-03-26 17:23 ` [PATCH 1/3] X86: Optimise fls(), ffs() and fls64() Linus Torvalds
2010-03-26 17:37   ` Scott Lurndal
2010-03-26 17:42     ` Linus Torvalds
2010-04-06 13:57       ` Jamie Lokier
2010-04-06 14:40         ` Linus Torvalds
2010-03-26 17:42   ` David Howells
2010-03-26 17:45     ` Linus Torvalds
2010-03-26 17:58       ` Ralf Baechle
2010-03-26 18:03         ` Linus Torvalds
2010-03-26 18:16           ` Matthew Wilcox
2010-04-06 13:30           ` Matthew Wilcox
2010-04-14 11:49             ` David Howells [this message]
2010-04-14 14:30               ` Avi Kivity
2010-04-15  8:48                 ` David Howells
2010-04-15  8:49                   ` Avi Kivity
2010-04-15 11:41                     ` Jamie Lokier
2010-03-26 17:52     ` Matthew Wilcox
     [not found] ` <4BACCB4E.7010108@draigBrady.com>
2010-04-14 13:13   ` David Howells

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