[PATCH AUTOSEL 5.6 03/62] Makefile: disallow data races on gcc-10 as well

From: Sasha Levin
Date: Thu May 14 2020 - 14:51:59 EST


From: Sergei Trofimovich <slyfox@xxxxxxxxxx>

[ 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@xxxxxxxxxx>
Acked-by: Jiri Kosina <jkosina@xxxxxxx>
Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
Makefile | 1 +
1 file changed, 1 insertion(+)

diff --git a/Makefile b/Makefile
index 6a8f0b278f1bb..744245f0c96cf 100644
--- a/Makefile
+++ b/Makefile
@@ -714,6 +714,7 @@ endif

# 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