From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752006AbdEIGqa (ORCPT ); Tue, 9 May 2017 02:46:30 -0400 Received: from terminus.zytor.com ([65.50.211.136]:49893 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751146AbdEIGq1 (ORCPT ); Tue, 9 May 2017 02:46:27 -0400 Date: Mon, 8 May 2017 23:41:49 -0700 From: tip-bot for Nick Desaulniers Message-ID: Cc: nick.desaulniers@gmail.com, torvalds@linux-foundation.org, hpa@zytor.com, jpoimboe@redhat.com, linux-kernel@vger.kernel.org, mingo@kernel.org, peterz@infradead.org, tglx@linutronix.de Reply-To: tglx@linutronix.de, mingo@kernel.org, peterz@infradead.org, linux-kernel@vger.kernel.org, jpoimboe@redhat.com, hpa@zytor.com, nick.desaulniers@gmail.com, torvalds@linux-foundation.org In-Reply-To: <20170509032946.20444-1-nick.desaulniers@gmail.com> References: <20170509032946.20444-1-nick.desaulniers@gmail.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/urgent] x86/build: Don't add -maccumulate-outgoing-args w/o compiler support Git-Commit-ID: 4a1bec4605838fd7872ec41677585e241e256785 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 4a1bec4605838fd7872ec41677585e241e256785 Gitweb: http://git.kernel.org/tip/4a1bec4605838fd7872ec41677585e241e256785 Author: Nick Desaulniers AuthorDate: Mon, 8 May 2017 20:29:46 -0700 Committer: Ingo Molnar CommitDate: Tue, 9 May 2017 08:16:45 +0200 x86/build: Don't add -maccumulate-outgoing-args w/o compiler support Clang does not support this machine dependent option. Older versions of GCC (pre 3.0) may not support this option, added in 2000, but it's unlikely they can still compile a working kernel. Signed-off-by: Nick Desaulniers Reviewed-by: Josh Poimboeuf Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Link: http://lkml.kernel.org/r/20170509032946.20444-1-nick.desaulniers@gmail.com Signed-off-by: Ingo Molnar --- arch/x86/Makefile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/Makefile b/arch/x86/Makefile index 4430dd4..5851411 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -179,7 +179,8 @@ ifdef CONFIG_JUMP_LABEL endif ifeq ($(ACCUMULATE_OUTGOING_ARGS), 1) - KBUILD_CFLAGS += -maccumulate-outgoing-args + # This compiler flag is not supported by Clang: + KBUILD_CFLAGS += $(call cc-option,-maccumulate-outgoing-args,) endif # Stackpointer is addressed different for 32 bit and 64 bit x86