Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764178AbXKJD5s (ORCPT ); Fri, 9 Nov 2007 22:57:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760467AbXKJD5h (ORCPT ); Fri, 9 Nov 2007 22:57:37 -0500 Received: from srv5.dvmed.net ([207.36.208.214]:60834 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1764070AbXKJD5g (ORCPT ); Fri, 9 Nov 2007 22:57:36 -0500 Message-ID: <47352C28.4070604@garzik.org> Date: Fri, 09 Nov 2007 22:57:28 -0500 From: Jeff Garzik User-Agent: Thunderbird 2.0.0.5 (X11/20070727) MIME-Version: 1.0 To: Theodore Tso , Jeff Garzik , Alan Cox , Mark Lord , Riki Oktarianto , linux-kernel@vger.kernel.org, Greg Kroah-Hartman , linux-ide@vger.kernel.org Subject: Re: [PATCH] Add quirk to set AHCI mode on ICH boards References: <20071109020235.GA2031@ceren> <20071109023129.GA25581@havoc.gtf.org> <4733D421.7000505@rtr.ca> <20071109034622.GB25581@havoc.gtf.org> <20071109120425.543971bf@the-village.bc.nu> <47351FE1.4000001@garzik.org> <20071110035424.GB28975@thunk.org> In-Reply-To: <20071110035424.GB28975@thunk.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -4.4 (----) X-Spam-Report: SpamAssassin version 3.1.9 on srv5.dvmed.net summary: Content analysis details: (-4.4 points, 5.0 required) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1316 Lines: 33 Theodore Tso wrote: > On Fri, Nov 09, 2007 at 10:05:05PM -0500, Jeff Garzik wrote: >> By forcing AHCI, your PATA devices will be inaccessible, in a common >> configuration. It also means shuffling users from one driver to another, >> which induces breakage. >> >> I was speaking wishfully. Real life intrudes, alas. > > Not even as boot-time option? I'm curious whether it might allow me > to use AHCI mode on a T60p laptop; right now I can't because in AHCI > mode the Ultrabay hard drive device becomes invisible to Linux > (although not to Windows, interestingly). I'm currently travelling > and I don't carry the T60 around anymore, so I can't do the experiment > right this moment, but given that this would allow the T60 to take > advantage of ALPM if this works, it would be awfully tempting.... Oh sure, a boot-time option would be fine. I want to spread AHCI far and wide; it is vastly superior to ata_piix in many ways. I was mainly talking about unconditionally changing behavior from the current default, which presents several problems. Jeff - 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/