linux-kernel - Re: [PATCH 15/24] ARM64:ILP32: Use the non compat HWCAP for ILP32.

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Message-ID: <20140619125408.GD8476@arm.com>
Date:	Thu, 19 Jun 2014 13:54:08 +0100
From:	Catalin Marinas <catalin.marinas@....com>
To:	Andrew Pinski <apinski@...ium.com>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 15/24] ARM64:ILP32: Use the non compat HWCAP for ILP32.

On Sat, May 24, 2014 at 12:02:10AM -0700, Andrew Pinski wrote:
> Signed-off-by: Andrew Pinski <apinski@...ium.com>

Please add some commit log, even if minimal.

> ---
>  arch/arm64/include/asm/hwcap.h |   12 ++++++++++--
>  1 files changed, 10 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/include/asm/hwcap.h b/arch/arm64/include/asm/hwcap.h
> index 024c461..cb87f91 100644
> --- a/arch/arm64/include/asm/hwcap.h
> +++ b/arch/arm64/include/asm/hwcap.h
> @@ -46,9 +46,17 @@
>  #define ELF_HWCAP		(elf_hwcap)
>  
>  #ifdef CONFIG_COMPAT
> -#define COMPAT_ELF_HWCAP	(compat_elf_hwcap)
> -#define COMPAT_ELF_HWCAP2	(compat_elf_hwcap2)
>  extern unsigned int compat_elf_hwcap, compat_elf_hwcap2;
> +#define COMPAT_ELF_HWCAP	\
> +	(is_a32_compat_task()	\
> +	  ? compat_elf_hwcap	\
> +	  : elf_hwcap)
> +
> +#define COMPAT_ELF_HWCAP2	\
> +	(is_a32_compat_task()	\
> +	  ? compat_elf_hwcap2	\
> +	  : 0)
> +
>  #endif
>  
>  extern unsigned long elf_hwcap;

Do any extra headers need to be included? It looks like we rely on the
code including hwcap.h to have the correct headers.

-- 
Catalin
--
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