On 07/08/2017 10:56, Ladi Prosek wrote:
> This is the QEMU part of the changes required for nested Hyper-V to read
> timestamps with RDTSC + TSC page. Without exposing the frequency MSRs,
> Windows with the Hyper-V role enabled use the much slower
> HV_X64_MSR_TIME_REF_COUNT (0x4020) RDMSR to
On Tue, Aug 08, 2017 at 09:50:53PM -0300, Marcelo Tosatti wrote:
> On Mon, Aug 07, 2017 at 10:56:59AM +0200, Ladi Prosek wrote:
> > This is the QEMU part of the changes required for nested Hyper-V to read
> > timestamps with RDTSC + TSC page. Without exposing the frequency MSRs,
> > Windows with
On Mon, Aug 07, 2017 at 10:56:59AM +0200, Ladi Prosek wrote:
> This is the QEMU part of the changes required for nested Hyper-V to read
> timestamps with RDTSC + TSC page. Without exposing the frequency MSRs,
> Windows with the Hyper-V role enabled use the much slower
> HV_X64_MSR_TIME_REF_COUNT
This is the QEMU part of the changes required for nested Hyper-V to read
timestamps with RDTSC + TSC page. Without exposing the frequency MSRs,
Windows with the Hyper-V role enabled use the much slower
HV_X64_MSR_TIME_REF_COUNT (0x4020) RDMSR to read timestamps.
The new registers are exposed
