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Date: Mon, 8 Jun 2020 19:03:23 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: Sergei Trofimovich <slyfox@...too.org>,
Jiri Kosina <jkosina@...e.cz>,
Masahiro Yamada <masahiroy@...nel.org>,
Thomas Backlund <tmb@...eia.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-kbuild@...r.kernel.org
Subject: [PATCH AUTOSEL 5.6 078/606] Makefile: disallow data races on gcc-10 as well
From: Sergei Trofimovich <slyfox@...too.org>
commit b1112139a103b4b1101d0d2d72931f2d33d8c978 upstream.
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@...too.org>
Acked-by: Jiri Kosina <jkosina@...e.cz>
Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
Cc: Thomas Backlund <tmb@...eia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
Makefile | 1 +
1 file changed, 1 insertion(+)
diff --git a/Makefile b/Makefile
index 955b57a8ec15..7afb6942d3f7 100644
--- a/Makefile
+++ b/Makefile
@@ -710,6 +710,7 @@ 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
--
2.25.1
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