From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Cypher Wu <cypher.w@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Questions about Watch Dog Timer under Linux.
Date: Fri, 11 Dec 2009 10:21:59 +0000 [thread overview]
Message-ID: <20091211102159.GB18825@rakim.wolfsonmicro.main> (raw)
In-Reply-To: <f9f38a550912110027r70710867k3a08c6d5913ce13@mail.gmail.com>
On Fri, Dec 11, 2009 at 04:27:55PM +0800, Cypher Wu wrote:
Please reply in-line to e-mails, it makes the conversation much easier
to follow.
> It seems WATCHDOG_NOWAYOUT is a software mechanism? If it is defined
> as 1 then the WDT can't be stopped if it has been started whether bye
> closing the device file or writing the magic character 'V'.
Yes, it's a kernel build time configurable option to select this
behaviour. In effect all you'd be doing is making a driver which turns
it on all the time.
next prev parent reply other threads:[~2009-12-11 10:22 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-09 14:47 Cypher Wu
2009-12-09 14:59 ` Mark Brown
2009-12-11 8:27 ` Cypher Wu
2009-12-11 10:21 ` Mark Brown [this message]
2009-12-12 3:46 ` Cypher Wu
2009-12-12 13:50 ` Alan Cox
2009-12-09 16:29 ` Alan Cox
2009-12-11 8:33 ` Cypher Wu
2009-12-09 17:26 ` Pádraig Brady
2009-12-11 8:38 ` Cypher Wu
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