From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [PATCH 2/2] watchdog: add watchdog behavior configuration
Date: Fri, 25 Sep 2020 15:04:07 +0200 [thread overview]
Message-ID: <4118667.1601039047@gemini.denx.de> (raw)
In-Reply-To: <ceeb82b7-eef0-7435-0d0c-958c0bf07e04@gmx.de>
Dear Heinrich Schuchardt,
In message <ceeb82b7-eef0-7435-0d0c-958c0bf07e04@gmx.de> you wrote:
>
> > Any so-called "watchdog" that can be disabled / switched off by
> > software is not really woth this name. As such, the concept of
> > disabling a watchdog in software, is misleading at best and should
> > never ibe implemented.
>
> If we want to boot UEFI payloads, we will have to follow the UEFI
> specification even if we think it is not perfect.
That's perfectly OK. But if the OS expects that the watchdog is
disabled, then we should not enable it in U-Boot in the first place.
Keep in ind that any real watchdog (which is worth the money and the
name) _cannot_ be disabled by software once it was started.
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
Q: Do you know what the death rate around here is?
A: One per person.
next prev parent reply other threads:[~2020-09-25 13:04 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-23 16:45 [PATCH 1/2] watchdog: Hide WATCHDOG_RESET_DISABLE Michael Walle
2020-09-23 16:45 ` [PATCH 2/2] watchdog: add watchdog behavior configuration Michael Walle
2020-09-23 17:01 ` Mark Kettenis
2020-09-23 17:14 ` Tom Rini
2020-09-23 17:31 ` Heinrich Schuchardt
2020-09-23 17:35 ` Tom Rini
2020-09-24 7:33 ` Michael Walle
2020-09-24 8:10 ` Mark Kettenis
2020-09-24 8:20 ` Michael Walle
2020-09-24 10:22 ` Mark Kettenis
2020-09-24 21:05 ` Michael Walle
2020-09-24 13:19 ` Tom Rini
2020-09-24 20:30 ` Michael Walle
2020-09-24 20:58 ` Mark Kettenis
2020-09-24 21:14 ` Michael Walle
2020-09-25 1:17 ` Tom Rini
2020-09-25 8:36 ` Wolfgang Denk
2020-09-25 11:29 ` Heinrich Schuchardt
2020-09-25 13:00 ` Tom Rini
2020-09-25 13:26 ` Heinrich Schuchardt
2020-09-26 8:45 ` Wolfgang Denk
2020-09-26 10:54 ` Mark Kettenis
2020-09-26 12:39 ` Heinrich Schuchardt
2020-09-26 12:44 ` Tom Rini
2020-09-27 16:06 ` Michael Walle
2020-09-28 15:34 ` Tom Rini
2020-09-26 14:40 ` Wolfgang Denk
2020-09-26 14:22 ` Wolfgang Denk
2020-09-25 13:04 ` Wolfgang Denk [this message]
2020-10-04 14:55 ` Michael Walle
2020-10-04 15:10 ` Heinrich Schuchardt
2020-10-04 15:40 ` Tom Rini
2020-09-23 17:53 ` Mark Kettenis
2020-09-23 18:51 ` Heinrich Schuchardt
2020-09-23 19:02 ` Tom Rini
2020-09-23 20:01 ` Heinrich Schuchardt
2020-09-23 20:23 ` Tom Rini
2020-09-23 20:58 ` Heinrich Schuchardt
2020-09-23 21:09 ` Tom Rini
2020-09-23 20:38 ` Michael Walle
2020-09-23 21:01 ` Heinrich Schuchardt
2020-09-23 17:21 ` Heinrich Schuchardt
2020-09-23 17:28 ` Tom Rini
2020-09-24 6:53 ` Michael Walle
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