On Tue, Feb 11, 2025, Borislav Petkov wrote:
> On Fri, Jan 31, 2025 at 06:17:02PM -0800, Sean Christopherson wrote:
> > And if the host provides the core crystal frequency in CPUID.0x15, then KVM
> > guests can use that for the APIC timer period instead of manually
> > calibrating the frequency.
>
On Fri, Jan 31, 2025 at 06:17:02PM -0800, Sean Christopherson wrote:
> And if the host provides the core crystal frequency in CPUID.0x15, then KVM
> guests can use that for the APIC timer period instead of manually
> calibrating the frequency.
Hmm, so that part: what's stopping the host from fakin
Attempt to bring some amount of order to the PV clocks vs. TSC madness in
the kernel. The primary goal of this series is to fix flaws with SNP
and TDX guests where a PV clock provided by the untrusted hypervisor is
used instead of the secure/trusted TSC that is controlled by trusted
firmware.
The
