Re: [PATCH v4 2/2] drivers: watchdog: Add support for panic notifier callback

[Guenter Roeck]

On 3/5/25 02:33, Andy Shevchenko wrote:
> On Wed, Mar 05, 2025 at 10:10:25AM +0000, George Cherian wrote:
> > Watchdog is not turned off in kernel panic situation.
> > In certain systems this might prevent the successful loading
> > of kdump kernel. The kdump kernel might hit a watchdog reset
> > while it is booting.
> >
> > To avoid such scenarios add a panic notifier call back function
> > which can stop the watchdog. This provision can be enabled by
> > passing watchdog.stop_on_panic=1 via kernel command-line parameter.
>
> ...
>
> First of all, do we really need a new module parameter for that? Why can't it
> be done automatically if kdump is expected?

Sounds like a good idea to me.

Guenter