linux-kernel - Re: [PATCH 1/10 v2] Generic Watchdog Timer Driver

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Message-ID: <4E023455.8010606@genband.com>
Date:	Wed, 22 Jun 2011 12:28:37 -0600
From:	Chris Friesen <chris.friesen@...band.com>
To:	Wim Van Sebroeck <wim@...ana.be>
CC:	LKML <linux-kernel@...r.kernel.org>,
	Linux Watchdog Mailing List <linux-watchdog@...r.kernel.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: [PATCH 1/10 v2] Generic Watchdog Timer Driver

On 06/18/2011 11:19 AM, Wim Van Sebroeck wrote:
> watchdog: WatchDog Timer Driver Core - Part 1
>
> The WatchDog Timer Driver Core is a framework
> that contains the common code for all watchdog-driver's.
> It also introduces a watchdog device structure and the
> operations that go with it.
>
> This is the introduction of this framework. This part
> supports the minimal watchdog userspace API (or with
> other words: the functionality to use /dev/watchdog's
> open, release and write functionality as defined in
> the simplest watchdog API). Extra functionality will
> follow in the next set of patches.


Have you thought about callback support for systems that support a 
two-stage watchdog?  That way we could do something useful (preserve 
system memory using kdump, for instance) rather than just getting 
whacked by the hardware.

Chris

-- 
Chris Friesen
Software Developer
GENBAND
chris.friesen@...band.com
www.genband.com
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