Re: [PATCH v7 5/8] Watchdog: introduce ARM SBSA watchdog driver
From: Jon Masters <hidden>
Date: 2015-09-10 22:30:29
Also in:
linux-watchdog, lkml
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.