linux-kernel - Re: [PATCH 1/3] panic: setup panic

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Date:	Mon, 11 Nov 2013 08:17:12 -0600
From:	Felipe Contreras <felipe.contreras@...il.com>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 1/3] panic: setup panic_timeout early

On Mon, Nov 11, 2013 at 7:44 AM, Ingo Molnar <mingo@...nel.org> wrote:
>
> * Felipe Contreras <felipe.contreras@...il.com> 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 | 14 +++++++++++++-
>>  1 file changed, 13 insertions(+), 1 deletion(-)
>>
>> diff --git a/kernel/panic.c b/kernel/panic.c
>> index b6c482c..46e37ff 100644
>> --- a/kernel/panic.c
>> +++ b/kernel/panic.c
>> @@ -468,9 +468,21 @@ 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 *str)
>> +{
>> +     int timeout;
>> +
>> +     if (!get_option(&str, &timeout))
>> +             return -EINVAL;
>> +
>> +     panic_timeout = timeout;
>> +     return 0;
>> +}
>> +
>> +early_param("panic_timeout", set_panic_timeout);
>> +
>
> For simple integer parameters simple_strtol() is better and (a tiny bit)
> faster.

simple_strtol() is deprecated in favor of kstrtol().

-- 
Felipe Contreras
--
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