About internal heartbeat timer

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Hi

I have a doubt about the use of internal timer to reset the wdt when the watchdog device was closed from userspace and it doesn't support stopping the wdt. I think, in my modest opinion, that if the watchdog device was closed at userspace it means that something is wrong at userspace and the system needs to be rebooted.

I think that  the internal timer can be useful in the following scenario:
If an user reboot the system, then the internal timer must ensure that the watchdog didn't reset the system during the reboot process and it send ticks to the wdt until the user/clean reboot process get finished. Maybe a reboot notifier can be used to detect when the user reboot the system manually.

thanks and feel free to comment about this
Alejandro




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