Zhao Yakui 197706ff16 HV: Use the CPUID(0x16) to obtain tsc_hz when zero tsc_hz is returned by 0x15 cpuid ...

Sometimes the CPUID(0x15) still returns the zero tsc frequency. In such case
the base frequency of cpuid(0x16) is used as tsc frequency.

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>

2018-08-14 13:04:21 +08:00

..

x86

HV: Use the CPUID(0x16) to obtain tsc_hz when zero tsc_hz is returned by 0x15 cpuid

2018-08-14 13:04:21 +08:00