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SubjectRe: [PATCH v7 5/8] Watchdog: introduce ARM SBSA watchdog driver
On 08/24/2015 01:01 PM, fu.wei@linaro.org wrote:

> + /*
> + * Get the frequency of system counter from the cp15 interface of ARM
> + * Generic timer. We don't need to check it, because if it returns "0",
> + * system would panic in very early stage.
> + */
> + gwdt->clk = arch_timer_get_cntfrq();

Just thinking out loud...

What happens later if we virtualize this device within KVM/QEMU/Xen and
then live migrate to another system in which the frequency changes?

Jon.



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