Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755203AbZAJUbp (ORCPT ); Sat, 10 Jan 2009 15:31:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753431AbZAJUbZ (ORCPT ); Sat, 10 Jan 2009 15:31:25 -0500 Received: from srv5.dvmed.net ([207.36.208.214]:38788 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753347AbZAJUbY (ORCPT ); Sat, 10 Jan 2009 15:31:24 -0500 Message-ID: <49690589.1070809@garzik.org> Date: Sat, 10 Jan 2009 15:31:05 -0500 From: Jeff Garzik User-Agent: Thunderbird 2.0.0.19 (X11/20090105) MIME-Version: 1.0 To: Sergei Shtylyov CC: Alan Cox , Ingo Molnar , Christian Borntraeger , linux-ide@vger.kernel.org, lkml Subject: Re: [bisected] Re: todays git: WARNING: at drivers/ata/libata-sff.c:1017 ata_sff_hsm_move+0x45e/0x750() References: <200901091334.55823.borntraeger@de.ibm.com> <200901101009.13699.borntraeger@de.ibm.com> <20090110104114.633cacd8@lxorguk.ukuu.org.uk> <200901101242.05203.borntraeger@de.ibm.com> <49688B63.5030105@ru.mvista.com> <20090110122130.318cf168@lxorguk.ukuu.org.uk> <20090110130745.GA14049@elte.hu> <49689EA8.20506@garzik.org> <20090110132412.GB14049@elte.hu> <20090110133617.GA22304@elte.hu> <20090110135731.0da08c90@lxorguk.ukuu.org.uk> <4968BA6F.8050207@ru.mvista.com> <20090110152800.44308491@lxorguk.ukuu.org.uk> <4968C5CA.6010508@ru.mvista.com> <4968FFD7.6070302@ru.mvista.com> In-Reply-To: <4968FFD7.6070302@ru.mvista.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -4.4 (----) X-Spam-Report: SpamAssassin version 3.2.5 on srv5.dvmed.net summary: Content analysis details: (-4.4 points, 5.0 required) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 658 Lines: 18 Sergei Shtylyov wrote: > Correctly indeed? I'm not at all sure it's correct to read an extra > 16-bit word off the device when it thinks it's already done with the > data transfer. This is not the same as to read 16-bit word and ignore > its MSB as it happened. The same concern about the writes... Note that > the IDE code doesn't do this... Nod. And that gets us back to the original point... 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/