* [PATCH AUTOSEL 4.19 01/31] Makefile: disallow data races on gcc-10 as well
@ 2020-05-14 18:53 Sasha Levin
0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2020-05-14 18:53 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Sergei Trofimovich, Jiri Kosina, Masahiro Yamada, Sasha Levin,
linux-kbuild
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
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2020-05-14 18:53 [PATCH AUTOSEL 4.19 01/31] Makefile: disallow data races on gcc-10 as well Sasha Levin
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