Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933639Ab1ERTLV (ORCPT ); Wed, 18 May 2011 15:11:21 -0400 Received: from na3sys009aog117.obsmtp.com ([74.125.149.242]:51701 "EHLO na3sys009aog117.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933607Ab1ERTLT convert rfc822-to-8bit (ORCPT ); Wed, 18 May 2011 15:11:19 -0400 From: "Moore, Eric" To: Milton Miller , Hitoshi Mitake , "Sam Ravnborg" , Ingo Molnar , Ingo Molnar , "Desai, Kashyap" , "Prakash, Sathya" CC: James Bottomley , Matthew Wilcox , Benjamin Herrenschmidt , "linux scsi dev" , "paulus@samba.org" , linux powerpc dev , linux pci , linux kernel , linux-arch Date: Wed, 18 May 2011 13:11:16 -0600 Subject: RE: [PATCH 1/3] mpt2sas: remove the use of writeq, since writeq is not atomic Thread-Topic: [PATCH 1/3] mpt2sas: remove the use of writeq, since writeq is not atomic Thread-Index: AcwVieU5LTm0CgdjRU+hkbX1+XUGcQABUgnw Message-ID: <4565AEA676113A449269C2F3A549520F80BE7F37@cosmail03.lsi.com> References: <20110504115324.GE17855@lsi.com> <1305616571.6008.23.camel@mulgrave.site> <20110518041551.GL15227@parisc-linux.org> <1305692584.2580.3.camel@mulgrave.site> <1305702010.2781.33.camel@pasglop> <4565AEA676113A449269C2F3A549520F80B66280@cosmail03.lsi.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 532 Lines: 13 On Wednesday, May 18, 2011 12:31 PM Milton Miller wrote: > Ingo I would propose the following commits added in 2.6.29 be reverted. > I think the current concensus is drivers must know if the writeq is > not atomic so they can provide their own locking or other workaround. > Exactly. -- 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/