Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964824Ab2FHUvu (ORCPT ); Fri, 8 Jun 2012 16:51:50 -0400 Received: from mx1.redhat.com ([209.132.183.28]:13879 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759707Ab2FHUvt (ORCPT ); Fri, 8 Jun 2012 16:51:49 -0400 Date: Fri, 8 Jun 2012 16:51:38 -0400 From: Don Zickus To: Li Zhong Cc: Jan Beulich , x86@kernel.org, LKML Subject: Re: [PATCH] x86,nmi: Fix section mismatch warnings on 32-bit Message-ID: <20120608205138.GA29664@redhat.com> References: <1338839763-11140-1-git-send-email-dzickus@redhat.com> <4FCDDB7D0200007800088390@nat28.tlf.novell.com> <20120605144734.GU32472@redhat.com> <4FCE44FC0200007800088524@nat28.tlf.novell.com> <20120605183539.GA32472@redhat.com> <4FCF57B902000078000887EA@nat28.tlf.novell.com> <20120606140357.GB32472@redhat.com> <1339055005.18639.11.camel@ThinkPad-T420> <20120607124800.GH32472@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120607124800.GH32472@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1765 Lines: 40 On Thu, Jun 07, 2012 at 08:48:00AM -0400, Don Zickus wrote: > On Thu, Jun 07, 2012 at 03:43:25PM +0800, Li Zhong wrote: > > On Wed, 2012-06-06 at 10:03 -0400, Don Zickus wrote: > > > On Wed, Jun 06, 2012 at 12:14:33PM +0100, Jan Beulich wrote: > > > > > I didn't think it would be compiler dependent as I do not know what > > > > > compiler the reporter was using. I used a RHEL-6 4.4.4 compiler (which > > > > > you probably don't have :^) ). > > > > > > > > Indeed, somehow I failed to see the obvious - it's commit > > > > 72b3fb24713755cf9740b403e95aa67ceedf3509 that causes > > > > these problems. Instantiating static data like this just doesn't > > > > play with any of the pointers passed being into .init.*. > > > > > > > > I'd suggest either open coding register_nmi_handler() (with > > > > the static data put into __initdata), or further abstracting it > > > > by allowing an optional fifth argument (specifying the section > > > > annotation if needed). > > > > > > Ah. Thanks for figuring that out!! I will post a patch opencoding it. > > > > > > > Hi Don, > > > > How about the following patch, adding an optional fifth argument as Jan > > mentioned? We don't need change other users of register_nmi_handler(). > > Ah, ok. I forgot about the variable args syntax. That works too. I give > a quick test. Apparently I was too slow. Ingo committed my other patch. I can ask him to revert it and use your smaller/cleaner patch instead? Or is it big deal to keep the other one? Cheers, Don -- 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/