From: "H. Peter Anvin" <hpa@zytor.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [Evms-announce] EVMS announcement
Date: Fri, 08 Nov 2002 11:37:19 -0800 [thread overview]
Message-ID: <3DCC126F.6020507@zytor.com> (raw)
In-Reply-To: 1036778770.16651.70.camel@irongate.swansea.linux.org.uk
Alan Cox wrote:
> On Wed, 2002-11-06 at 21:58, H. Peter Anvin wrote:
>
>>>ataraid is just driving dumb ide controllers in the way bios raid does
>>
>>I guess I meant it as a more general question than those specific devices.
>
> Our current software MD driver doesn't support doing that in hardware.
> It has the neccessary infrastructure to consider using hardware xor
> engines but I doubt its every actually more efficient to do so on low
> end devices.
Probably not. The only case where I can imagine it helps is when you
get to push less data across the bus.
-hpa
next prev parent reply other threads:[~2002-11-08 19:31 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-05 22:19 EVMS announcement Kevin Corry
2002-11-05 21:00 ` [Evms-announce] " Mike Diehl
2002-11-05 21:11 ` Mike Diehl
2002-11-05 23:53 ` Rik van Riel
2002-11-06 0:21 ` Alan Cox
2002-11-06 9:34 ` [Evms-devel] " Hendrik Visage
2002-11-06 13:55 ` Alan Cox
2002-11-06 0:36 ` [Evms-devel] " Kevin Corry
2002-11-06 1:45 ` Mike Diehl
2002-11-06 4:48 ` Alexander Viro
2002-11-06 2:54 ` Mike Diehl
2002-11-06 13:47 ` Kevin Corry
2002-11-05 23:40 ` [Evms-announce] " Andres Salomon
2002-11-05 21:29 ` Mike Diehl
2002-11-06 0:18 ` Andrew Clausen
2002-11-06 21:33 ` Matthias Andree
2002-11-07 10:37 ` Joe Thornber
2002-11-05 23:37 ` Alan Cox
2002-11-06 0:03 ` [Evms-devel] " Eff Norwood
2002-11-06 1:13 ` Rik van Riel
2002-11-06 1:41 ` Eff Norwood
2002-11-06 1:57 ` Rik van Riel
2002-11-06 2:50 ` Alexander Viro
2002-11-06 0:05 ` James H. Cloos Jr.
2002-11-06 15:21 ` Kevin Corry
2002-11-06 0:16 ` [Evms-announce] " Lars Marowsky-Bree
2002-11-06 13:55 ` Alan Cox
2002-11-06 13:59 ` Arjan van de Ven
2002-11-06 14:24 ` Jens Axboe
2002-11-06 20:46 ` H. Peter Anvin
2002-11-06 21:21 ` Alan Cox
2002-11-06 21:58 ` H. Peter Anvin
2002-11-08 18:06 ` Alan Cox
2002-11-08 19:37 ` H. Peter Anvin [this message]
2002-11-06 15:08 ` Kevin Corry
2002-11-07 20:24 ` Christoph Hellwig
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