From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Cooper <andrew.cooper3@citrix.com>
Subject: Re: [PATCH] The BUG() macro should print the correct
 architecture, not a hardcoded value.
Date: Fri, 11 Jan 2013 13:20:28 +0000
Message-ID: <50F0119C.8090909@citrix.com>
References: <1357910148-29868-1-git-send-email-lra@sics.se>
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To: "lra@sics.se" <lra@sics.se>
Cc: Lars Rasmusson <Lars.Rasmusson@sics.se>, "xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
List-Id: xen-devel@lists.xenproject.org

On 11/01/13 13:15, lra@sics.se wrote:
> From: Lars Rasmusson <Lars.Rasmusson@sics.se>
>
> Signed-off-by: Lars Rasmusson <Lars.Rasmusson@sics.se>
> ---
>  xen/arch/arm/traps.c |   18 +++++++++++++++++-
>  1 file changed, 17 insertions(+), 1 deletion(-)
>
> diff --git a/xen/arch/arm/traps.c b/xen/arch/arm/traps.c
> index f42e4e9..1909abf 100644
> --- a/xen/arch/arm/traps.c
> +++ b/xen/arch/arm/traps.c
> @@ -68,7 +68,23 @@ static void print_xen_info(void)
>      debug = 'y';
>  #endif
>  
> -    printk("----[ Xen-%d.%d%s  x86_64  debug=%c  %s ]----\n",
> +#ifdef CONFIG_ARM_32
> +#define THE_ARCH "arm_32"
> +#elif CONFIG_ARM_64
> +#define THE_ARCH "arm_64"
> +#elif CONFIG_ARM
> +#define THE_ARCH "arm"
> +#elif CONFIG_X86_32
> +#define THE_ARCH "x86_32"
> +#elif CONFIG_X86_64
> +#define THE_ARCH "x86_64"
> +#elif CONFIG_X86
> +#define THE_ARCH "x86"
> +#else      
> +#define THE_ARCH "unknown_arch"
> +#endif

The value should not be x86_64, but this is not the correct way to get
the architecture.  In xen/arch/arm, you can be certain that the arch is
not unknown, nor is it any x86.

~Andrew

> +
> +    printk("----[ Xen-%d.%d%s  " THE_ARCH "  debug=%c  %s ]----\n",
>             xen_major_version(), xen_minor_version(), xen_extra_version(),
>             debug, print_tainted(taint_str));
>  }