Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp823335ybt; Wed, 24 Jun 2020 12:05:41 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyK1Chk75FnyzHxTQkGeNfmHE4laJBavjiRvsaEo8nNNVLyR+MrChFHIUc/GmyFwofYB6IV X-Received: by 2002:aa7:c590:: with SMTP id g16mr28787245edq.5.1593025541473; Wed, 24 Jun 2020 12:05:41 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1593025541; cv=none; d=google.com; s=arc-20160816; b=VmeXSgUjp8Oz5DSiYRnSmHDx8JOqqM/DgJ06m9fsrXbhJ5rViqyUS4emT2ON1roEn/ +ZQEMwcVXDM6tkAlqBBMQ6pHDc1M5DQqZYNMCI2K8E9rgIsc646HZGi+x4MvGJ5QkF3o zkkOqO1h9x0ZEjWhHZRHNQOxT6QL0mCUNt/0vqaoN7jBnotYQHPIJAFv2gRVrITrb5zX cma0uYn3FlmbSDCQgMBJojmg3+8OtB6jHt44WlRzk4twW9UZpZdVJn5CMZbzPDNP7cV5 BtZb8g0MKVlck+yIrTTYavypxwnOC7KZ4mMCEbScufJyH7QLTKjhBa8gA/PKFgyg4f+m NvXg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:message-id:date :subject:cc:to:from:dkim-signature; bh=dTMJAP/iQ8/xgSBl7vlac9q94fIEEWPLMN/+Jk2eRME=; b=LbK0qBJLXqOslbb89ayPJwm3xrWUvUCT7H56FSgzFnDV4tlv/65x+HLqVhOcCz34YU nd4GeWYRBdTlXFeicPG/cifVnLUfOKDpnTb3EKcN6WKn/bb4He3gV/PBHgvoYnCMvCqN aMzbEezAeqdIK96ekF6LUBK2IeaCMwwLimjF7PHqABm91JygsREIFKeRATyEXDRekg6k 1E2Ks3OskxMjj1sY9bdfzI5kcrpF4JYte5p/dLXPaQmX2TE8qw5zyOE/8+gsj83MW0+K lXb4xtedMbWluWh5SU8YjZnNRDYEVoP+JLvtLrcaX7WLMwokDXn3nyf84WaCD3Axncaz Driw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=fpCeZNxC; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id l2si5123395edk.332.2020.06.24.12.05.15; Wed, 24 Jun 2020 12:05:41 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=fpCeZNxC; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404872AbgFXTDK (ORCPT + 99 others); Wed, 24 Jun 2020 15:03:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:55552 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404725AbgFXTDK (ORCPT ); Wed, 24 Jun 2020 15:03:10 -0400 Received: from paulmck-ThinkPad-P72.home (50-39-105-78.bvtn.or.frontiernet.net [50.39.105.78]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id CACD920885; Wed, 24 Jun 2020 19:03:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593025389; bh=dAQJRRuIZ238Q6iprvv0e5hEIUYrGp3iDUCMfcYdrkk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fpCeZNxC7d1NbUykBCaqhZuqag+I3eJPI9sNQuX1tBtVMafdLfh90sb0u6KAW3M6y RMnnBlF2JiqCrw9hpzdPl/hilp4XjTLbeuh2hIwtnn7ewaC11uoK7M0cC+DzwUPXuQ Zg75vHz8FIhg/v4fN8qIByyq238Jvu8wcHEUPt/w= From: paulmck@kernel.org To: linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, kernel-team@fb.com, mingo@kernel.org Cc: elver@google.com, andreyknvl@google.com, glider@google.com, dvyukov@google.com, cai@lca.pw, boqun.feng@gmail.com, "Paul E . McKenney" Subject: [PATCH kcsan 2/3] kcsan: Simplify compiler flags Date: Wed, 24 Jun 2020 12:03:06 -0700 Message-Id: <20200624190307.15191-2-paulmck@kernel.org> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20200624190236.GA6603@paulmck-ThinkPad-P72> References: <20200624190236.GA6603@paulmck-ThinkPad-P72> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Marco Elver Simplify the set of compiler flags for the runtime by removing cc-option from -fno-stack-protector, because all supported compilers support it. This saves us one compiler invocation during build. Signed-off-by: Marco Elver Signed-off-by: Paul E. McKenney --- kernel/kcsan/Makefile | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/kcsan/Makefile b/kernel/kcsan/Makefile index 092ce58..fea064a 100644 --- a/kernel/kcsan/Makefile +++ b/kernel/kcsan/Makefile @@ -7,8 +7,8 @@ CFLAGS_REMOVE_core.o = $(CC_FLAGS_FTRACE) CFLAGS_REMOVE_debugfs.o = $(CC_FLAGS_FTRACE) CFLAGS_REMOVE_report.o = $(CC_FLAGS_FTRACE) -CFLAGS_core.o := $(call cc-option,-fno-conserve-stack,) \ - $(call cc-option,-fno-stack-protector,) +CFLAGS_core.o := $(call cc-option,-fno-conserve-stack) \ + -fno-stack-protector obj-y := core.o debugfs.o report.o obj-$(CONFIG_KCSAN_SELFTEST) += selftest.o -- 2.9.5