VCPU_HOST_REGS_MISC_ENABLE
msr_store[VCPU_HOST_REGS_MISC_ENABLE].vms_index = MSR_MISC_ENABLE;
msr_store[VCPU_HOST_REGS_MISC_ENABLE].vms_data = msr_misc_enable;
#define VCPU_HOST_REGS_NMSRS (VCPU_HOST_REGS_MISC_ENABLE + 1)