Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756196Ab3JJQt2 (ORCPT ); Thu, 10 Oct 2013 12:49:28 -0400 Received: from mail-ea0-f174.google.com ([209.85.215.174]:41904 "EHLO mail-ea0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754594Ab3JJQt1 (ORCPT ); Thu, 10 Oct 2013 12:49:27 -0400 Date: Thu, 10 Oct 2013 18:49:23 +0200 From: Ingo Molnar To: Richard Henderson Cc: Jakub Jelinek , Peter Zijlstra , Oleg Nesterov , Fengguang Wu , Linus Torvalds , Linux Kernel Mailing List Subject: Re: [PATCH, -v3] compiler/gcc4: Add quirk for 'asm goto' miscompilation bug Message-ID: <20131010164923.GA12998@gmail.com> References: <20131009190851.GX30970@tucnak.zalov.cz> <20131010062238.GB9853@gmail.com> <20131010065104.GY30970@tucnak.zalov.cz> <20131010080457.GC21875@tucnak.zalov.cz> <20131010082430.GA20577@gmail.com> <20131010083107.GZ30970@tucnak.zalov.cz> <5256B3E2.4060401@twiddle.net> <20131010142703.GI30970@tucnak.zalov.cz> <20131010151219.GC5167@gmail.com> <5256D2A2.5060202@twiddle.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5256D2A2.5060202@twiddle.net> 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: 733 Lines: 28 * Richard Henderson wrote: > On 10/10/2013 08:12 AM, Ingo Molnar wrote: > > Indeed. Something like the updated version below? > > > > [ I kept the asm_volatile_goto() naming to make sure the implicit volatile > > is visible. ] > > > > Thanks, > > > > Ingo > > Looks good. > > Reviewed-by: Richard Henderson The question then would be, does it solve Fengguang's crashes as well? He was able to reproduce them faster than I. Thanks, Ingo -- 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/