From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E5905C432C0 for ; Wed, 4 Dec 2019 04:29:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B41542068E for ; Wed, 4 Dec 2019 04:29:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1575433757; bh=Th+ja1qyCQRZUizS3CAPhOvFnAZX5uzbVL2uOiAiGA0=; h=From:To:Cc:Subject:Date:List-ID:From; b=2lm4IfOG3XgLCZORVhc7GnNc40GJvshWCPAgg/oAqn9zIfWuwHGGiGQc1+XiUxAGr 8BxLkhjOBj4QCTNAlismhNEJsIinRq8qdorfh0Y3Etmke1d0/psBtaPY2+p6+N38Tc HBngaPTfUQKwUbJkoLb+pWtEZ8EjJFW3Zx9JRO1U= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727043AbfLDE3Q (ORCPT ); Tue, 3 Dec 2019 23:29:16 -0500 Received: from conuserg-08.nifty.com ([210.131.2.75]:45972 "EHLO conuserg-08.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726804AbfLDE3Q (ORCPT ); Tue, 3 Dec 2019 23:29:16 -0500 Received: from localhost.localdomain (p14092-ipngnfx01kyoto.kyoto.ocn.ne.jp [153.142.97.92]) (authenticated) by conuserg-08.nifty.com with ESMTP id xB44SEjv007912; Wed, 4 Dec 2019 13:28:14 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-08.nifty.com xB44SEjv007912 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1575433694; bh=aZBc4IVru6RGfaR7ceRLbfahtURpRZYF6EvcHQYceI0=; h=From:To:Cc:Subject:Date:From; b=HTXFfWeetey0nr5Exo6zi1nh1p8lFfnNhnAYaHttpJ+kadz/VQguBJe3bfSLKGTVt 9CkBdwN/f2IMZ6UarVAWoE+EOE4nd+6aloabRz0AABRnWTrpg5XlgELfWvTADuGSn4 dVX5N7gLfUKbvE6K+6EUMPYq/cRCiuPCcalsx2ME41KXgVqYb3VsBx37gKeI20QDH6 9tfU8h0aEyKfMkcqcGMU0tGNjjsWGWJ0zXuxjF1QZwIDy72uytQrHahlC11Xj5roNJ tjb/d+g1uI4QmW9+VgrxNGOzVzgGxgxJ1osThXLnv9aJwZxdWuOwDO5iZwkJYDtoy5 SJe04muS2z5vQ== X-Nifty-SrcIP: [153.142.97.92] From: Masahiro Yamada To: patches@arm.linux.org.uk Cc: Masahiro Yamada , Russell King , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] ARM: decompressor: use CONFIG option instead of cc-option Date: Wed, 4 Dec 2019 13:28:12 +0900 Message-Id: <20191204042813.7484-1-masahiroy@kernel.org> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The Kconfig stage (arch/Kconfig) has already evaluated whether the compiler supports -fno-stack-protector. You can use CONFIG_CC_HAS_STACKPROTECTOR_NONE instead of invoking the compiler to check the flag here. Signed-off-by: Masahiro Yamada --- KernelVersion: v5.5-rc1 arch/arm/boot/compressed/Makefile | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile index a1e883c5e5c4..da599c3a1193 100644 --- a/arch/arm/boot/compressed/Makefile +++ b/arch/arm/boot/compressed/Makefile @@ -110,12 +110,12 @@ endif # -fstack-protector-strong triggers protection checks in this code, # but it is being used too early to link to meaningful stack_chk logic. -nossp_flags := $(call cc-option, -fno-stack-protector) -CFLAGS_atags_to_fdt.o := $(nossp_flags) -CFLAGS_fdt.o := $(nossp_flags) -CFLAGS_fdt_ro.o := $(nossp_flags) -CFLAGS_fdt_rw.o := $(nossp_flags) -CFLAGS_fdt_wip.o := $(nossp_flags) +nossp-flags-$(CONFIG_CC_HAS_STACKPROTECTOR_NONE) := -fno-stack-protector +CFLAGS_atags_to_fdt.o := $(nossp-flags-y) +CFLAGS_fdt.o := $(nossp-flags-y) +CFLAGS_fdt_ro.o := $(nossp-flags-y) +CFLAGS_fdt_rw.o := $(nossp-flags-y) +CFLAGS_fdt_wip.o := $(nossp-flags-y) ccflags-y := -fpic $(call cc-option,-mno-single-pic-base,) -fno-builtin -I$(obj) asflags-y := -DZIMAGE -- 2.17.1