From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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 From: Sasha Levin 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> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kbuild-owner@vger.kernel.org List-ID: To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Sergei Trofimovich , Jiri Kosina , Masahiro Yamada , Sasha Levin , linux-kbuild@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