Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754700Ab3I0Tlg (ORCPT ); Fri, 27 Sep 2013 15:41:36 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:60530 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753731Ab3I0Tle (ORCPT ); Fri, 27 Sep 2013 15:41:34 -0400 Date: Fri, 27 Sep 2013 21:41:32 +0200 From: Pavel Machek To: Rob Landley Cc: Nicolas Pitre , Russell King - ARM Linux , =?iso-8859-1?Q?M=E5ns_Rullg=E5rd?= , Andrew Morton , Trivial patch monkey , Catalin Marinas , Will Deacon , "linux-kernel@vger.kernel.org" , "linux-omap@vger.kernel.org" , Linus Torvalds , "linux-arm-kernel@lists.infradead.org" Subject: Re: new binutils needed for arm in 3.12-rc1 Message-ID: <20130927194132.GA31663@amd.pavel.ucw.cz> References: <1380235709.1974.93@driftwood> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1380235709.1974.93@driftwood> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1743 Lines: 46 Hi! On Thu 2013-09-26 17:48:29, Rob Landley wrote: > On 09/25/2013 11:13:17 AM, Nicolas Pitre wrote: > >On Wed, 25 Sep 2013, Rob Landley wrote: > > > >> On 09/24/2013 09:07:57 PM, Nicolas Pitre wrote: > >> > I'd strongly suggest you make your binutils compatible with newer > >> > instruction syntax instead of making the kernel more complex. > >> > >> Meaning I play whack-a-mole as this becomes permission to depend > >on endless > >> new gnuisms just because they're there and nobody else is > >regression testing > >> against them, not because they actually add anything. > > > >Gnuism? > > > >Let me quote the ARM ARchitecture Reference Manual, version 7 > >revision C, > >section A8.8.44 (sorry for the whitespace dammage): > > Globally changing the binutils requirement for all architectures, as > the doc patch at the start of this thread proposed doing, would mean > gnuisms in common code (ext2 and such) wouldn't get caught, giving > llvm and pcc and such a moving target when trying to build the > kernel with non-gnu toolchains. That's what I meant by gnuisms > breeding. Well. I did the docs patch, but my preferred solution would actually be to get the patches reverted so that it still works with old binutils. (So far, I updated one machine with new cross environment, two more to go.) Anyway, it should be solved _somehow_. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- 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/