linux-kernel - Re: [PATCH 2/6] powerpc: Add cpu name to dump stack arch description

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Message-ID: <1430956210.9675.1.camel@neuling.org>
Date:	Thu, 07 May 2015 09:50:10 +1000
From:	Michael Neuling <mikey@...ling.org>
To:	Michael Ellerman <mpe@...erman.id.au>
Cc:	linuxppc-dev@...abs.org, tj@...nel.org,
	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org,
	Anton Blanchard <anton@...ba.org>
Subject: Re: [PATCH 2/6] powerpc: Add cpu name to dump stack arch description

On Tue, 2015-05-05 at 21:12 +1000, Michael Ellerman wrote:
> As soon as we know the name of the cpu we're on, add it to the dump
> stack arch description, which is printed in case of an oops.
> 
> Signed-off-by: Michael Ellerman <mpe@...erman.id.au>
> ---
>  arch/powerpc/kernel/cputable.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
> index 60262fdf35ba..cf5e0c9b80cb 100644
> --- a/arch/powerpc/kernel/cputable.c
> +++ b/arch/powerpc/kernel/cputable.c
> @@ -15,6 +15,7 @@
>  #include <linux/threads.h>
>  #include <linux/init.h>
>  #include <linux/export.h>
> +#include <linux/printk.h>
>  
>  #include <asm/oprofile_impl.h>
>  #include <asm/cputable.h>
> @@ -2174,6 +2175,8 @@ static struct cpu_spec * __init setup_cpu_spec(unsigned long offset,
>  	}
>  #endif /* CONFIG_PPC64 || CONFIG_BOOKE */
>  
> +	dump_stack_add_arch_desc(t->cpu_name);
> +

Can we make this the PVR instead if the name?  It gives us more fidelity
on what the hardware revision is.

Mikey

>  	return t;
>  }
>  

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