Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2993648AbbHHWd0 (ORCPT ); Sat, 8 Aug 2015 18:33:26 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:36520 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2993505AbbHHWSC (ORCPT ); Sat, 8 Aug 2015 18:18:02 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Michal Marek , Geert Uytterhoeven , Vineet Gupta Subject: [PATCH 4.1 032/123] ARC: Override toplevel default -O2 with -O3 Date: Sat, 8 Aug 2015 15:08:30 -0700 Message-Id: <20150808220719.057791968@linuxfoundation.org> X-Mailer: git-send-email 2.5.0 In-Reply-To: <20150808220717.771230091@linuxfoundation.org> References: <20150808220717.771230091@linuxfoundation.org> User-Agent: quilt/0.64 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1623 Lines: 48 4.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Vineet Gupta commit 97709069214eb75312c14946803b9da4d3814203 upstream. ARC kernels have historically been built with -O3, despite top level Makefile defaulting to -O2. This was facilitated by implicitly ordering of arch makefile include AFTER top level assigned -O2. An upstream fix to top level a1c48bb160f ("Makefile: Fix unrecognized cross-compiler command line options") changed the ordering, making ARC -O3 defunct. Fix that by NOT relying on any ordering whatsoever and use the proper arch override facility now present in kbuild (ARCH_*FLAGS) Depends-on: ("kbuild: Allow arch Makefiles to override {cpp,ld,c}flags") Suggested-by: Michal Marek Cc: Geert Uytterhoeven Signed-off-by: Vineet Gupta Signed-off-by: Greg Kroah-Hartman --- arch/arc/Makefile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/arch/arc/Makefile +++ b/arch/arc/Makefile @@ -43,7 +43,8 @@ endif ifndef CONFIG_CC_OPTIMIZE_FOR_SIZE # Generic build system uses -O2, we want -O3 -cflags-y += -O3 +# Note: No need to add to cflags-y as that happens anyways +ARCH_CFLAGS += -O3 endif # small data is default for elf32 tool-chain. If not usable, disable it -- 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/