From: Robert Walsh <rjwalsh@pathscale.com>
To: Andi Kleen <ak@suse.de>
Cc: linux-kernel@vger.kernel.org, openib-general@openib.org
Subject: Re: [PATCH 03/13] [RFC] ipath copy routines
Date: Sat, 17 Dec 2005 21:36:29 -0800 [thread overview]
Message-ID: <1134884189.20575.129.camel@phosphene.durables.org> (raw)
In-Reply-To: <p73k6e3dr05.fsf@verdi.suse.de>
On Sun, 2005-12-18 at 04:27 +0100, Andi Kleen wrote:
> Robert Walsh <rjwalsh@pathscale.com> writes:
> >
> > Any chance we could get these moved into the x86_64 arch directory,
> > then? We have to do double-word copies, or our chip gets unhappy.
>
> Standard memcpy will do double word copies if everything is suitably
> aligned. Just use that.
This is dealing with buffers that may be passed in from user space, so
there's no guarantee of alignment for either the start address or the
length.
Regards,
Robert.
--
Robert Walsh Email: rjwalsh@pathscale.com
PathScale, Inc. Phone: +1 650 934 8117
2071 Stierlin Court, Suite 200 Fax: +1 650 428 1969
Mountain View, CA 94043.
next prev parent reply other threads:[~2005-12-18 5:36 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20051031150618.627779f1.akpm@osdl.org>
2005-12-16 23:48 ` [PATCH 00/13] [RFC] IB: PathScale InfiniPath driver Roland Dreier
2005-12-16 23:48 ` [PATCH 01/13] [RFC] ipath basic headers Roland Dreier
2005-12-16 23:48 ` [PATCH 02/13] [RFC] ipath debug header Roland Dreier
2005-12-16 23:48 ` [PATCH 03/13] [RFC] ipath copy routines Roland Dreier
2005-12-16 23:48 ` [PATCH 04/13] [RFC] ipath LLD core, part 1 Roland Dreier
2005-12-16 23:48 ` [PATCH 05/13] [RFC] ipath LLD core, part 2 Roland Dreier
2005-12-16 23:48 ` [PATCH 06/13] [RFC] ipath LLD core, part 3 Roland Dreier
2005-12-16 23:48 ` [PATCH 07/13] [RFC] ipath core misc files Roland Dreier
2005-12-16 23:48 ` [PATCH 08/13] [RFC] ipath core last bit Roland Dreier
2005-12-16 23:48 ` [PATCH 09/13] [RFC] ipath IB driver headers Roland Dreier
2005-12-16 23:48 ` [PATCH 10/13] [RFC] ipath verbs, part 1 Roland Dreier
2005-12-16 23:48 ` [PATCH 11/13] [RFC] ipath verbs, part 2 Roland Dreier
2005-12-16 23:48 ` [PATCH 12/13] [RFC] ipath verbs MAD handling Roland Dreier
2005-12-16 23:48 ` [PATCH 13/13] [RFC] ipath Kconfig and Makefile Roland Dreier
2005-12-17 21:52 ` Adrian Bunk
2005-12-17 22:54 ` [openib-general] " Robert Walsh
2005-12-17 23:55 ` Adrian Bunk
2005-12-18 1:17 ` Robert Walsh
2005-12-18 0:27 ` Alan Cox
2005-12-18 19:23 ` Sam Ravnborg
2005-12-20 0:32 ` [openib-general] " Robert Walsh
2005-12-26 2:49 ` Roland Dreier
2005-12-18 19:59 ` [PATCH 10/13] [RFC] ipath verbs, part 1 Paul E. McKenney
2005-12-18 20:05 ` [openib-general] " Robert Walsh
2005-12-19 20:50 ` Ralph Campbell
2005-12-17 20:38 ` [PATCH 08/13] [RFC] ipath core last bit Andrew Morton
2005-12-21 0:00 ` Robert Walsh
2005-12-17 20:38 ` [PATCH 07/13] [RFC] ipath core misc files Andrew Morton
2005-12-17 21:29 ` Robert Walsh
2005-12-17 21:33 ` Robert Walsh
2005-12-18 3:10 ` Andrew Morton
2005-12-18 3:13 ` Robert Walsh
2005-12-17 20:38 ` [PATCH 04/13] [RFC] ipath LLD core, part 1 Andrew Morton
2005-12-17 21:34 ` Robert Walsh
2005-12-17 12:38 ` [PATCH 03/13] [RFC] ipath copy routines Pekka Enberg
2005-12-17 21:38 ` Robert Walsh
2005-12-17 13:16 ` Christoph Hellwig
2005-12-17 20:38 ` Andrew Morton
2005-12-17 22:40 ` Robert Walsh
2005-12-18 3:19 ` Andrew Morton
2005-12-18 3:35 ` Adrian Bunk
2005-12-18 5:33 ` Robert Walsh
2005-12-18 9:33 ` David S. Miller
2005-12-18 19:52 ` Robert Walsh
2005-12-18 3:27 ` Andi Kleen
2005-12-18 5:36 ` Robert Walsh [this message]
2005-12-18 5:41 ` Andi Kleen
2005-12-18 13:25 ` Alan Cox
2005-12-17 12:33 ` [PATCH 01/13] [RFC] ipath basic headers Pekka Enberg
2005-12-17 21:55 ` Robert Walsh
2005-12-17 13:14 ` Christoph Hellwig
2005-12-17 21:51 ` Eric W. Biederman
2005-12-18 3:25 ` Andi Kleen
2005-12-18 15:02 ` Eric W. Biederman
2005-12-17 22:19 ` Robert Walsh
2005-12-17 22:25 ` Arjan van de Ven
2005-12-17 22:47 ` Robert Walsh
2005-12-17 20:38 ` Andrew Morton
2005-12-17 22:39 ` Robert Walsh
2005-12-18 3:14 ` Andrew Morton
2005-12-20 1:43 ` Robert Walsh
2005-12-17 13:16 ` [PATCH 00/13] [RFC] IB: PathScale InfiniPath driver Christoph Hellwig
2005-12-17 15:51 ` Roland Dreier
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