linux-kernel - Re: [PATCH v2] panic: Make panic

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Date:	Tue, 19 Nov 2013 23:51:27 +0900
From:	Shinya Kuribayashi <skuribay@...ox.com>
To:	ralf@...ux-mips.org, jbaron@...mai.com
CC:	mingo@...nel.org, benh@...nel.crashing.org, paulus@...ba.org,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linux-mips@...ux-mips.org, florian@...nwrt.org,
	jchandra@...adcom.com, ganesanr@...adcom.com
Subject: Re: [PATCH v2] panic: Make panic_timeout configurable

On 11/19/13 6:02 PM, Ralf Baechle wrote:> On Mon, Nov 18, 2013 at 09:04:36PM +0000, Jason Baron wrote:
> It's more complicated - MIPS was using the global default with five MIPS
> platforms overriding the default.
>
> I propose to kill these overrides for sanity unless somebody comes up
> with a good argument.  Patch below.
>
>    Ralf
>
> Signed-off-by: Ralf Baechle <ralf@...ux-mips.org>
>
>   arch/mips/ar7/setup.c           | 1 -
>   arch/mips/emma/markeins/setup.c | 3 ---
>   arch/mips/netlogic/xlp/setup.c  | 1 -
>   arch/mips/netlogic/xlr/setup.c  | 1 -
>   arch/mips/sibyte/swarm/setup.c  | 2 --
>   5 files changed, 8 deletions(-)
[...]
> diff --git a/arch/mips/emma/markeins/setup.c b/arch/mips/emma/markeins/setup.c
> index d710058..9100122 100644
> --- a/arch/mips/emma/markeins/setup.c
> +++ b/arch/mips/emma/markeins/setup.c
> @@ -111,9 +111,6 @@ void __init plat_mem_setup(void)
>   	iomem_resource.start = EMMA2RH_IO_BASE;
>   	iomem_resource.end = EMMA2RH_ROM_BASE - 1;
>
> -	/* Reboot on panic */
> -	panic_timeout = 180;
> -
>   	markeins_sio_setup();
>   }
>

IIRC we had set it to 180 seconds for some historical reasons, but
I'm afraid nobody can recall the reason why it's set so in 2013...
Anyway I was thinking it too long and reduced to a few seconds locally
when debugging, so there shouldn't be a problem with this change.

FWIW, for EMMA2RH portion:

Acked-by: Shinya Kuribayashi <skuribay@...ox.com>

Thank you always for your help, Ralf.
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