On Tue, Apr 16, 2024, Rick P Edgecombe wrote: > On Thu, 2024-03-21 at 09:37 -0700, Reinette Chatre wrote: > > > > Summary > > ------- > > Add KVM_CAP_X86_APIC_BUS_FREQUENCY capability to configure the APIC > > bus clock frequency for APIC timer emulation. > > Allow KVM_ENABLE_CAPABILITY(KVM_CAP_X86_APIC_BUS_FREQUENCY) to set the > > frequency in nanoseconds. When using this capability, the user space > > VMM should configure CPUID leaf 0x15 to advertise the frequency. > > Looks good to me and... > Tested-by: Rick Edgecombe <rick.p.edgecombe@xxxxxxxxx> > > The only thing missing is actually integrating it into TDX qemu patches and > testing the resulting TD. I think we are making a fair assumption that the > problem should be resolved based on the analysis, but we have not actually > tested that part. Is that right? Please tell me that Rick is wrong, and that this actually has been tested with a TDX guest. I don't care _who_ tested it, or with what VMM it has been tested, but _someone_ needs to verify that this actually fixes the TDX issue.
