From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755931Ab1LVUi2 (ORCPT ); Thu, 22 Dec 2011 15:38:28 -0500 Received: from smtp.eu.citrix.com ([62.200.22.115]:2593 "EHLO SMTP.EU.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753394Ab1LVUiY (ORCPT ); Thu, 22 Dec 2011 15:38:24 -0500 X-IronPort-AV: E=Sophos;i="4.71,395,1320624000"; d="scan'208";a="9642152" Subject: Re: [PATCH, v2] Xen: consolidate and simplify struct xenbus_driver instantiation From: Ian Campbell To: Ben Hutchings CC: Jan Beulich , Konrad Rzeszutek Wilk , "davem@davemloft.net" , "dmitry.torokhov@gmail.com" , "FlorianSchandinat@gmx.de" , Jeremy Fitzhardinge , Jens Axboe , "xen-devel@lists.xensource.com" , Konrad Rzeszutek Wilk , "linux-kernel@vger.kernel.org" , "netdev@vger.kernel.org" In-Reply-To: <1324565067.2897.2.camel@bwh-desktop> References: <4EF3018D020000780006986E@nat28.tlf.novell.com> <1324547820.7877.71.camel@zakaz.uk.xensource.com> <4EF327E2020000780006993E@nat28.tlf.novell.com> <1324555060.7877.84.camel@zakaz.uk.xensource.com> <1324565067.2897.2.camel@bwh-desktop> Content-Type: text/plain; charset="ISO-8859-1" Organization: Citrix Systems, Inc. Date: Thu, 22 Dec 2011 20:38:21 +0000 Message-ID: <1324586301.13113.3.camel@dagon.hellion.org.uk> MIME-Version: 1.0 X-Mailer: Evolution 2.32.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2011-12-22 at 14:44 +0000, Ben Hutchings wrote: > On Thu, 2011-12-22 at 11:57 +0000, Ian Campbell wrote: > > On Thu, 2011-12-22 at 11:51 +0000, Jan Beulich wrote: > > > >>> On 22.12.11 at 10:57, Ian Campbell wrote: > > > > On Thu, 2011-12-22 at 09:08 +0000, Jan Beulich wrote: > > > >> The 'name', 'owner', and 'mod_name' members are redundant with the > > > >> identically named fields in the 'driver' sub-structure. Rather than > > > >> switching each instance to specify these fields explicitly, introduce > > > >> a macro to simplify this. > > > >> > > > >> Eliminate further redundancy by allowing the drvname argument to > > > >> DEFINE_XENBUS_DRIVER() to be blank (in which case the first entry from > > > >> the ID table will be used for .driver.name). > > > > > > > > Any reason not to always use DRV_NAME here (which is generally a bit > > > > more specific e.g. "xen-foofront" rather than "foo") and rely on the id > > > > table for the shorter names used in xenstore? > > > > > > That would imply that DRV_NAME is always defined, but I don't > > > see this being the case. > > > > My mistake, I thought it was a Kbuild thing. > > You're maybe thinking of KBUILD_MODNAME. Yes, I think I was. Thanks, Ian.