From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753344AbcEDTlG (ORCPT ); Wed, 4 May 2016 15:41:06 -0400 Received: from mx2.suse.de ([195.135.220.15]:51388 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751155AbcEDTlE (ORCPT ); Wed, 4 May 2016 15:41:04 -0400 Date: Wed, 4 May 2016 21:41:01 +0200 From: Borislav Petkov To: "H. Peter Anvin" Cc: Brian Gerst , LKML , Dmitry Vyukov , Andi Kleen , zengzhaoxiu@163.com, Thomas Gleixner , Ingo Molnar , Denys Vlasenko , Andrew Morton , Kees Cook , Zhaoxiu Zeng , Andy Lutomirski , Peter Zijlstra Subject: Re: [RFC PATCH] x86/hweight: Get rid of the special calling convention Message-ID: <20160504194101.GE23257@pd.tnic> References: <57031D9D.801@gmail.com> <1459934085-7152-1-git-send-email-zengzhaoxiu@163.com> <87wpoay10o.fsf@tassilo.jf.intel.com> <20160407094333.GD3866@pd.tnic> <20160504184612.GC23257@pd.tnic> <5998407c-3497-22c1-45dc-a86afcb73c94@zytor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <5998407c-3497-22c1-45dc-a86afcb73c94@zytor.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, May 04, 2016 at 12:33:24PM -0700, H. Peter Anvin wrote: > Most likely not. It would be nice to have some more uniform solution to > that. I'm wondering if we could use the -Wa option to load some kind of > macro package. Lemme try out some old compilers first, I'm guessing 3.2 won't know about popcnt... -- Regards/Gruss, Boris. SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg) --