linux-kernel - Re: [PATCH v3 4/6] watchdog: add watchdog pretimeout framework

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Date:	Wed, 8 Jun 2016 06:53:39 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Vladimir Zapolskiy <vladimir_zapolskiy@...tor.com>
Cc:	Wim Van Sebroeck <wim@...ana.be>, Wolfram Sang <wsa@...-dreams.de>,
	Robin Gong <b38343@...escale.com>,
	linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 4/6] watchdog: add watchdog pretimeout framework

On 06/08/2016 06:37 AM, Vladimir Zapolskiy wrote:

>>>
>>> +comment "Watchdog Pretimeout Governors"
>>> +
>>> +config WATCHDOG_PRETIMEOUT_GOV
>>> +	bool "Enable watchdog pretimeout governors"
>>> +	default n
>>
>> I don't think 'default n" is needed.
>>
>
> No strict objections, but probably 'default n' may save quite many
> lines in defconfigs.
>

I always wondered why it would be necessary to say "default n".
What is the difference between "default n" and no explicit default ?

Guenter