linux-kernel - Re: [PATCH v4 1/2] panic: setup panic

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Date:	Wed, 27 Nov 2013 10:47:01 -0500
From:	Jason Baron <jbaron@...mai.com>
To:	Felipe Contreras <felipe.contreras@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:	Ingo Molnar <mingo@...e.hu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Levente Kurusa <levex@...ux.com>
Subject: Re: [PATCH v4 1/2] panic: setup panic_timeout early

On 11/27/2013 01:17 AM, Felipe Contreras wrote:
> Otherwise we might not reboot when the user needs it the most (early
> on).
>
> Signed-off-by: Felipe Contreras <felipe.contreras@...il.com>
> ---
>  kernel/panic.c | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/kernel/panic.c b/kernel/panic.c
> index b6c482c..3456652 100644
> --- a/kernel/panic.c
> +++ b/kernel/panic.c
> @@ -468,9 +468,14 @@ EXPORT_SYMBOL(__stack_chk_fail);
>  
>  #endif
>  
> -core_param(panic, panic_timeout, int, 0644);
>  core_param(pause_on_oops, pause_on_oops, int, 0644);
>  
> +static int __init set_panic_timeout(char *val)
> +{
> +	return kstrtoint(val, 0, &panic_timeout);
> +}
> +early_param("panic_timeout", set_panic_timeout);
> +
>  static int __init oops_setup(char *s)
>  {
>  	if (!s)

hmm....so this changes the comand-line parameter panic=x  to:
panic_timeout=x. The naming might not be the best, but we are
really stuck with it at this point.

Thanks,

-Jason
 
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