linux-kernel - RE: [PATCH 00/16] raid acceleration and asynchronous offload api for 2.6.22

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Message-ID: <0C7297FA1D2D244A9C7F6959C0BF1E5201CA8E4D@azsmsx413.amr.corp.intel.com>
Date:	Wed, 2 May 2007 09:17:13 -0700
From:	"Williams, Dan J" <dan.j.williams@...el.com>
To:	"Justin Piszcz" <jpiszcz@...idpixels.com>
Cc:	"Nick Piggin" <nickpiggin@...oo.com.au>, <neilb@...e.de>,
	<akpm@...ux-foundation.org>,
	"Leech, Christopher" <christopher.leech@...el.com>,
	<linux-kernel@...r.kernel.org>, <linux-raid@...r.kernel.org>
Subject: RE: [PATCH 00/16] raid acceleration and asynchronous offload api for 2.6.22

> From: Justin Piszcz [mailto:jpiszcz@...idpixels.com]
> I have not been following this closely, must you have an
> CONFIG_INTEL_IOP_ADMA piece of hardware and/or chipset to use this
> feature or can regular desktop users take hold of it as well?
> 
Currently this feature is available on the iop series of processors,
e.g. http://www.intel.com/design/iio/iop348.htm

And there is a driver in the works to support the 440spe platform
(http://marc.info/?l=linux-raid&m=117400143317440&w=2)

Desktops currently take advantage of architecture specific SIMD
instructions to accelerate xor calculations.

> Justin.

Dan
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