On Wed, Jan 15, 2020 at 06:10:13PM +0100, Vitaly Kuznetsov wrote: > With fine grained VMX feature enablement QEMU>=4.2 tries to do KVM_SET_MSRS > with default (matching CPU model) values and in case eVMCS is also enabled, > fails. As in, Qemu is blindly throwing values at KVM and complains on failure? That seems like a Qemu bug, especially since Qemu needs to explicitly do KVM_CAP_HYPERV_ENLIGHTENED_VMCS to enable eVMCS.
