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From: will.deacon@arm•com (Will Deacon)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v2 21/21] arm64: move GCC version check for ARCH_SUPPORTS_INT128 to Kconfig
Date: Tue, 27 Mar 2018 18:28:15 +0100	[thread overview]
Message-ID: <20180327172815.GH18435@arm.com> (raw)
In-Reply-To: <1522128575-5326-22-git-send-email-yamada.masahiro@socionext.com>

On Tue, Mar 27, 2018 at 02:29:35PM +0900, Masahiro Yamada wrote:
> This becomes much neater in Kconfig.
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext•com>
> ---
> 
> Changes in v2:
>   - Newly added
> 
>  arch/arm64/Kconfig  | 1 +
>  arch/arm64/Makefile | 2 --
>  2 files changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index 7381eeb..0c97f40 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -43,6 +43,7 @@ config ARM64
>  	select ARCH_USE_QUEUED_RWLOCKS
>  	select ARCH_SUPPORTS_MEMORY_FAILURE
>  	select ARCH_SUPPORTS_ATOMIC_RMW
> +	select ARCH_SUPPORTS_INT128 if GCC_VERSION >= 50000
>  	select ARCH_SUPPORTS_NUMA_BALANCING
>  	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
>  	select ARCH_WANT_FRAME_POINTERS
> diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
> index b481b4a..7318165 100644
> --- a/arch/arm64/Makefile
> +++ b/arch/arm64/Makefile
> @@ -57,8 +57,6 @@ KBUILD_AFLAGS	+= $(lseinstr) $(brokengasinst)
>  KBUILD_CFLAGS	+= $(call cc-option,-mabi=lp64)
>  KBUILD_AFLAGS	+= $(call cc-option,-mabi=lp64)
>  
> -KBUILD_CFLAGS	+= $(call cc-ifversion, -ge, 0500, -DCONFIG_ARCH_SUPPORTS_INT128)
> -

If this does what it claims to do, then I agree that it's much cleaner!

Acked-by: Will Deacon <will.deacon@arm•com>

Will

  reply	other threads:[~2018-03-27 17:28 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-27  5:29 [PATCH v2 00/21] kconfig: move compiler capability tests to Kconfig Masahiro Yamada
2018-03-27  5:29 ` [PATCH v2 21/21] arm64: move GCC version check for ARCH_SUPPORTS_INT128 " Masahiro Yamada
2018-03-27 17:28   ` Will Deacon [this message]
2018-03-28 11:55   ` Kees Cook
2018-03-27 16:39 ` [PATCH v2 00/21] kconfig: move compiler capability tests " Masahiro Yamada

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