From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 401C381FB5 for ; Thu, 15 Dec 2016 00:53:19 -0800 (PST) Date: Thu, 15 Dec 2016 09:53:11 +0100 From: Johannes Thumshirn Subject: Re: [PATCH] dax: clarify driver_data ownership Message-ID: <20161215085310.GA4561@linux-x5ow.site> References: <148178519905.7385.6307065431345873736.stgit@dwillia2-desk3.amr.corp.intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <148178519905.7385.6307065431345873736.stgit@dwillia2-desk3.amr.corp.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" To: Dan Williams Cc: linux-kernel@vger.kernel.org, linux-nvdimm@lists.01.org List-ID: On Wed, Dec 14, 2016 at 10:59:59PM -0800, Dan Williams wrote: > Johannes points out that the warning in alloc_dax_region() seems to > imply that multiple devices might claim a dax region. In fact it's a > warning to driver developers that the dax core wants to own the > driver_data pointer for the hosting device of a dax_region. Add a > clarification. > = > Reported-by: Johannes Thumshirn > Signed-off-by: Dan Williams > --- Looks good, Reviewed-by: Johannes Thumshirn -- = Johannes Thumshirn Storage jthumshirn@suse.de +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N=FCrnberg GF: Felix Imend=F6rffer, Jane Smithard, Graham Norton HRB 21284 (AG N=FCrnberg) Key fingerprint =3D EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850 _______________________________________________ Linux-nvdimm mailing list Linux-nvdimm@lists.01.org https://lists.01.org/mailman/listinfo/linux-nvdimm From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934682AbcLOIya (ORCPT ); Thu, 15 Dec 2016 03:54:30 -0500 Received: from mx2.suse.de ([195.135.220.15]:53838 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755581AbcLOIy1 (ORCPT ); Thu, 15 Dec 2016 03:54:27 -0500 Date: Thu, 15 Dec 2016 09:53:11 +0100 From: Johannes Thumshirn To: Dan Williams Cc: linux-nvdimm@ml01.01.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] dax: clarify driver_data ownership Message-ID: <20161215085310.GA4561@linux-x5ow.site> References: <148178519905.7385.6307065431345873736.stgit@dwillia2-desk3.amr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <148178519905.7385.6307065431345873736.stgit@dwillia2-desk3.amr.corp.intel.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 14, 2016 at 10:59:59PM -0800, Dan Williams wrote: > Johannes points out that the warning in alloc_dax_region() seems to > imply that multiple devices might claim a dax region. In fact it's a > warning to driver developers that the dax core wants to own the > driver_data pointer for the hosting device of a dax_region. Add a > clarification. > > Reported-by: Johannes Thumshirn > Signed-off-by: Dan Williams > --- Looks good, Reviewed-by: Johannes Thumshirn -- Johannes Thumshirn Storage jthumshirn@suse.de +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: Felix Imendörffer, Jane Smithard, Graham Norton HRB 21284 (AG Nürnberg) Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850