Messages in this thread | | | Date | Thu, 10 Sep 2015 18:29:53 -0400 | From | Jon Masters <> | Subject | Re: [PATCH v7 5/8] Watchdog: introduce ARM SBSA watchdog driver |
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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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