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 1BD22C433E1 for ; Wed, 24 Jun 2020 19:03:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EDE9020836 for ; Wed, 24 Jun 2020 19:03:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593025396; bh=dAQJRRuIZ238Q6iprvv0e5hEIUYrGp3iDUCMfcYdrkk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=rP+sEDLzwGZR8X6kMantRlXhhFftmwrdQ0MjodpgPALHamyWiPReVfXrGl0Xh4PAh 36DtT1tgzd7xt267oA1/A1qD5fNSaJ1vXgXN3VgsvEUghzMRJunjX/fJPAetsEq7yI 0w5LbDmst2jRVFExzanb6/OdonkGG4te8XlRni6E= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404915AbgFXTDK (ORCPT ); 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