Re: [PATCH v7 5/8] Watchdog: introduce ARM SBSA watchdog driver

[Jon Masters]

On 08/24/2015 01:01 PM, fu.wei@xxxxxxxxxx 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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