linux-kernel - Re: [PATCH] arm64: mm: add message to die() in die_kernel

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Date:   Thu, 30 Jul 2020 13:27:23 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     Yue Hu <zbestahu@...il.com>
Cc:     will@...nel.org, akpm@...ux-foundation.org, mark.rutland@....com,
        james.morse@....com, peterx@...hat.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        huyue2@...ong.com, zbestahu@....com
Subject: Re: [PATCH] arm64: mm: add message to die() in die_kernel_fault()

On Thu, Jul 30, 2020 at 07:47:57PM +0800, Yue Hu wrote:
> From: Yue Hu <huyue2@...ong.com>
> 
> Just to identify the kernel fault more clearly.
> 
> Signed-off-by: Yue Hu <huyue2@...ong.com>
> ---
>  arch/arm64/mm/fault.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
> index 8afb238..3a753c7 100644
> --- a/arch/arm64/mm/fault.c
> +++ b/arch/arm64/mm/fault.c
> @@ -289,7 +289,7 @@ static void die_kernel_fault(const char *msg, unsigned long addr,
>  	mem_abort_decode(esr);
>  
>  	show_pte(addr);
> -	die("Oops", regs, esr);
> +	die("Oops - Page fault", regs, esr);
>  	bust_spinlocks(0);
>  	do_exit(SIGKILL);
>  }

Don't we already print enough information prior to die()?

-- 
Catalin