From: Sergei Trofimovich <slyfox@gentoo.org>
To: linux-kernel@vger.kernel.org
Cc: Sergei Trofimovich <slyfox@gentoo.org>,
Jiri Kosina <jkosina@suse.cz>,
Masahiro Yamada <masahiroy@kernel.org>,
Michal Marek <michal.lkml@markovi.net>,
linux-kbuild@vger.kernel.org
Subject: [PATCH] Makefile: disallow data races on gcc-10 as well
Date: Tue, 17 Mar 2020 00:07:18 +0000 [thread overview]
Message-ID: <20200317000718.177637-1-slyfox@gentoo.org> (raw)
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.
CC: Jiri Kosina <jkosina@suse.cz>
CC: Masahiro Yamada <masahiroy@kernel.org>
CC: Michal Marek <michal.lkml@markovi.net>
CC: linux-kbuild@vger.kernel.org
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
---
Makefile | 1 +
1 file changed, 1 insertion(+)
diff --git a/Makefile b/Makefile
index 171f2b004c8a..9696eb2cd5a1 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
--
2.25.1
next reply other threads:[~2020-03-17 0:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-17 0:07 Sergei Trofimovich [this message]
2020-03-17 0:57 ` [PATCH] Makefile: disallow data races on gcc-10 as well Jiri Kosina
2020-03-17 1:41 ` Jiri Kosina
2020-03-19 15:34 ` Masahiro Yamada
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