On 07.03.25 15:24, Andrew Cooper wrote:
When a watchdog fires, the domain is crashed and can't dump any state.Xen allows a domain to have two separate watchdogs. Therefore, for a domain running multiple watchdogs (e.g. one based around network, one for disk), it is important for diagnostics to know which watchdog fired. As the printk() is in a timer callback, this is a bit awkward to arrange, but there are 12 spare bits in the bottom of the domain pointer owing to its alignment. Reuse these bits to encode the watchdog id too, so the one which fired is identified when the domain is crashed. Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>
Reviewed-by: Juergen Gross <jgr...@suse.com> Juergen
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