From: Ivan Mikhaylov <i.mikhaylov@yadro.com>
To: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Wim Van Sebroeck <wim@linux-watchdog.org>,
Guenter Roeck <linux@roeck-us.net>,
<linux-watchdog@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: watchdog start on restart
Date: Thu, 3 Sep 2020 13:19:28 +0300 [thread overview]
Message-ID: <6dd97c08809d576136d474f4b3f3b045a03634bb.camel@yadro.com> (raw)
In-Reply-To: <e04bc12d-4520-89db-699c-ad89fcdbf76e@csgroup.eu>
On Wed, 2020-09-02 at 15:19 +0200, Christophe Leroy wrote:
> Isn't it the default expected behaviour for a watchdog ?
It depends on hardware and system requirements. You may have not just one
watchdog device.
> "stop watchdog on restart" is there to keep things under control during
> a wanted machine reboot/restart, while still having the watchdog do its
> job on an unexpected restart.
Yes, that's correct.
> What would be the advantage of an ioctl() compared to the existing way ?
You can control stop/start at any moment for any number of watchdog devices.
Thanks.
next prev parent reply other threads:[~2020-09-03 10:16 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-02 13:02 Ivan Mikhaylov
2020-09-02 13:19 ` Christophe Leroy
2020-09-03 10:19 ` Ivan Mikhaylov [this message]
2020-09-02 13:36 ` Guenter Roeck
2020-09-03 10:23 ` Ivan Mikhaylov
2020-09-03 11:13 ` Christophe Leroy
2020-09-03 13:26 ` Ivan Mikhaylov
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