From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfgang Denk Date: Fri, 25 Sep 2020 15:04:07 +0200 Subject: [PATCH 2/2] watchdog: add watchdog behavior configuration In-Reply-To: References: <20200923164527.26894-1-michael@walle.cc> <20200923164527.26894-2-michael@walle.cc> <8ba6107a460b8647@bloch.sibelius.xs4all.nl> <20200923171409.GT14816@bill-the-cat> <8070fb73-d42b-fa66-98a6-a2b9926b2d3f@gmx.de> <20200923173504.GV14816@bill-the-cat> <20200924131931.GF14816@bill-the-cat> <4098208.1601022997@gemini.denx.de> Message-ID: <4118667.1601039047@gemini.denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Dear Heinrich Schuchardt, In message 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.