Re: [PATCH v2] watchdog: pretimeout: Add "dump" pretimeout governor

Guenter Roeck <[email protected]> Wed, 8 Jul 2026 07:02:10 -0700

Newsgroups	org.kernel.vger.linux-watchdog,org.kernel.vger.linux-kernel
Message-ID	<[email protected]>

On Tue, Jul 07, 2026 at 10:21:05AM +0000, Tzung-Bi Shih wrote:
> Add a new "dump" pretimeout governor that triggers a backtrace of all
> CPUs (via trigger_all_cpu_backtrace()) to the kernel log buffer.  This
> provides diagnostic information right before the hardware watchdog
> fires.
> 
> In addition, update the WATCHDOG_PRETIMEOUT_GOV_SEL Kconfig logic to
> fall back to the "panic" governor only when both "noop" and "dump"
> governors are disabled.
> 
> Signed-off-by: Tzung-Bi Shih <[email protected]>

Applied.

Thanks,
Guenter