On Thu, May 03, 2018 at 11:04:52AM +0000, Kang, Luwei wrote: > > > New function __pt_cap_get() will be invoked in KVM to check if a > > > specific capability is availiable in KVM guest. > > > Another function pt_cap_get() can only check the hardware capabilities > > > but this may different with KVM guest because some features may not be > > > exposed to guest. > > > > Do we really need both in KVM? > > Yes, KVM need get host capability to estimate if can expose this feature > to guest Can you elaborate on this, what information do we need besides MSR_IA32_VMX_MISC[14]? Thanks, -- Alex
