Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752684Ab3J3BBu (ORCPT ); Tue, 29 Oct 2013 21:01:50 -0400 Received: from cam-admin0.cambridge.arm.com ([217.140.96.50]:57486 "EHLO cam-admin0.cambridge.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751292Ab3J3BBt (ORCPT ); Tue, 29 Oct 2013 21:01:49 -0400 Date: Wed, 30 Oct 2013 00:49:27 +0000 From: Will Deacon To: Jiang Liu Cc: Steven Rostedt , Catalin Marinas , Sandeepa Prabhu , Jiang Liu , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" Subject: Re: [PATCH v5 5/7] arm64, jump label: detect %c support for ARM64 Message-ID: <20131030004927.GD25346@mudshark.cambridge.arm.com> References: <1382109602-27432-1-git-send-email-liuj97@gmail.com> <1382109602-27432-6-git-send-email-liuj97@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1382109602-27432-6-git-send-email-liuj97@gmail.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: 923 Lines: 23 On Fri, Oct 18, 2013 at 04:19:59PM +0100, Jiang Liu wrote: > From: Jiang Liu > > As commit a9468f30b5eac6 "ARM: 7333/2: jump label: detect %c > support for ARM", this patch detects the same thing for ARM64 > because some ARM64 GCC versions have the same issue. > > Some versions of ARM64 GCC which do support asm goto, do not > support the %c specifier. Since we need the %c to support jump > labels on ARM64, detect that too in the asm goto detection script > to avoid build errors with these versions. Acked-by: Will Deacon The toolchain is being fixed upstream for this, but we should have the check for older versions. Will -- 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/