Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2993462AbXEBQUA (ORCPT ); Wed, 2 May 2007 12:20:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S2993463AbXEBQUA (ORCPT ); Wed, 2 May 2007 12:20:00 -0400 Received: from lucidpixels.com ([75.144.35.66]:37066 "EHLO lucidpixels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2993462AbXEBQT7 (ORCPT ); Wed, 2 May 2007 12:19:59 -0400 Date: Wed, 2 May 2007 12:19:14 -0400 (EDT) From: Justin Piszcz X-X-Sender: jpiszcz@p34.internal.lan To: "Williams, Dan J" cc: Nick Piggin , neilb@suse.de, akpm@linux-foundation.org, "Leech, Christopher" , linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org Subject: RE: [PATCH 00/16] raid acceleration and asynchronous offload api for 2.6.22 In-Reply-To: <0C7297FA1D2D244A9C7F6959C0BF1E5201CA8E4D@azsmsx413.amr.corp.intel.com> Message-ID: References: <0C7297FA1D2D244A9C7F6959C0BF1E5201CA8E4D@azsmsx413.amr.corp.intel.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1118 Lines: 33 On Wed, 2 May 2007, Williams, Dan J wrote: >> From: Justin Piszcz [mailto:jpiszcz@lucidpixels.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 > Ahh-- these are the family of chips in the Areca controllers (or close to them)-- so md/software raid will utilize the HW functions of the chip? If so, that is pretty slick :) Justin. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/