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=unavailable 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 C89F4C433E0 for ; Thu, 14 May 2020 18:56:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 96CBA207D0 for ; Thu, 14 May 2020 18:56:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589482566; bh=4kPiZPVeQUl8TP3Xtfxjsm362Xey/pqo3zMNZweN9pg=; h=From:To:Cc:Subject:Date:List-ID:From; b=esfiuDWRdUNcyRiWNFLFNvugByMd8wL0ktPoyHGHvBArBP4ranobN65FWhpwRlZVj Snsc7WonJEHtljzJwuJ9lYsaPZ9f+siLCgRr5J281LBig69dXqMlsLNa3JRSoJGWI3 NJmizyATvFKT8CUtDffBwkigJ3m1sd78oc0NCSpY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728446AbgENS4G (ORCPT ); Thu, 14 May 2020 14:56:06 -0400 Received: from mail.kernel.org ([198.145.29.99]:56564 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729512AbgENSzw (ORCPT ); Thu, 14 May 2020 14:55:52 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (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 33920206DC; Thu, 14 May 2020 18:55:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589482552; bh=4kPiZPVeQUl8TP3Xtfxjsm362Xey/pqo3zMNZweN9pg=; h=From:To:Cc:Subject:Date:From; b=ZHqvUWMHHs7kDxgdpi3asEWNOk9K+VHkT6r8p1cIxxYAwRviNyLLlTpwW5YCUdj0m t3zW6EJHcKlRcGnV0sQD+nlC2SrxoqKjqo8je+8QdxRUwMDPBXAyWyhoFLNuSR1d9F JCLcFIhYsy25ahW93Mg+WmvAIuf5NN9yYHhRdGgU= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Sergei Trofimovich , Jiri Kosina , Masahiro Yamada , Sasha Levin , linux-kbuild@vger.kernel.org Subject: [PATCH AUTOSEL 4.9 01/27] Makefile: disallow data races on gcc-10 as well Date: Thu, 14 May 2020 14:55:24 -0400 Message-Id: <20200514185550.21462-1-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sergei Trofimovich [ Upstream commit b1112139a103b4b1101d0d2d72931f2d33d8c978 ] gcc-10 will rename --param=allow-store-data-races=0 to -fno-allow-store-data-races. The flag change happened at https://gcc.gnu.org/PR92046. Signed-off-by: Sergei Trofimovich Acked-by: Jiri Kosina Signed-off-by: Masahiro Yamada Signed-off-by: Sasha Levin --- Makefile | 1 + 1 file changed, 1 insertion(+) diff --git a/Makefile b/Makefile index 2a923301987e5..4ff8ea7d2835e 100644 --- a/Makefile +++ b/Makefile @@ -672,6 +672,7 @@ KBUILD_CFLAGS += $(call cc-ifversion, -lt, 0409, \ # Tell gcc to never replace conditional load with a non-conditional one KBUILD_CFLAGS += $(call cc-option,--param=allow-store-data-races=0) +KBUILD_CFLAGS += $(call cc-option,-fno-allow-store-data-races) # check for 'asm goto' ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC) $(KBUILD_CFLAGS)), y) -- 2.20.1