From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Sergei Trofimovich <slyfox@gentoo.org>,
Jiri Kosina <jkosina@suse.cz>,
Masahiro Yamada <masahiroy@kernel.org>,
Sasha Levin <sashal@kernel.org>,
linux-kbuild@vger.kernel.org
Subject: [PATCH AUTOSEL 4.19 01/31] Makefile: disallow data races on gcc-10 as well
Date: Thu, 14 May 2020 14:53:43 -0400 [thread overview]
Message-ID: <20200514185413.20755-1-sashal@kernel.org> (raw)
From: Sergei Trofimovich <slyfox@gentoo.org>
[ 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 <slyfox@gentoo.org>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
Makefile | 1 +
1 file changed, 1 insertion(+)
diff --git a/Makefile b/Makefile
index 68fa15edd662c..3008cf448649c 100644
--- a/Makefile
+++ b/Makefile
@@ -671,6 +671,7 @@ 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)
include scripts/Makefile.kcov
include scripts/Makefile.gcc-plugins
--
2.20.1
reply other threads:[~2020-05-14 18:54 UTC|newest]
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