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    Subject[PATCH 4.14 114/114] Makefile: disallow data races on gcc-10 as well
    Date
    From: Sergei Trofimovich <slyfox@gentoo.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@gentoo.org>
    Acked-by: Jiri Kosina <jkosina@suse.cz>
    Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
    Cc: Thomas Backlund <tmb@mageia.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    Makefile | 1 +
    1 file changed, 1 insertion(+)

    --- a/Makefile
    +++ b/Makefile
    @@ -663,6 +663,7 @@ 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)

    # check for 'asm goto'
    ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC) $(KBUILD_CFLAGS)), y)

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