linux-kernel - Re: [PATCH 4/5] alpha: Convert BUG() to use unreachable()

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Date:	Thu, 10 Dec 2009 19:42:59 -0500
From:	Matt Turner <mattst88@...il.com>
To:	David Daney <ddaney@...iumnetworks.com>
Cc:	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	akpm@...ux-foundation.org, torvalds@...ux-foundation.org,
	Richard Henderson <rth@...ddle.net>,
	Ivan Kokshaysky <ink@...assic.park.msu.ru>,
	linux-alpha@...r.kernel.org
Subject: Re: [PATCH 4/5] alpha: Convert BUG() to use unreachable()

On Thu, Dec 10, 2009 at 12:28 PM, David Daney <ddaney@...iumnetworks.com> wrote:
> Use the new unreachable() macro instead of for(;;);
>
> Signed-off-by: David Daney <ddaney@...iumnetworks.com>
> CC: Richard Henderson <rth@...ddle.net>
> CC: Ivan Kokshaysky <ink@...assic.park.msu.ru>
> CC: Matt Turner <mattst88@...il.com>
> CC: linux-alpha@...r.kernel.org
> ---
>  arch/alpha/include/asm/bug.h |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/arch/alpha/include/asm/bug.h b/arch/alpha/include/asm/bug.h
> index 1720c8a..f091682 100644
> --- a/arch/alpha/include/asm/bug.h
> +++ b/arch/alpha/include/asm/bug.h
> @@ -13,7 +13,8 @@
>                "call_pal %0  # bugchk\n\t"                             \
>                ".long %1\n\t.8byte %2"                                 \
>                : : "i"(PAL_bugchk), "i"(__LINE__), "i"(__FILE__));     \
> -       for ( ; ; ); } while (0)
> +       unreachable();                                                  \
> +  } while (0)
>
>  #define HAVE_ARCH_BUG
>  #endif
> --
> 1.6.2.5

Thanks David. I've pushed this into my tree.

Matt
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