os_curcpu_number
hcpu = os_curcpu_number();
wrmsr(MSR_VM_HSAVE_PA, hsave[os_curcpu_number()].pa);
os_cpuset_clear(cpudata->htlb_want_flush, os_curcpu_number());
hcpu = os_curcpu_number();
vmx_vmxon(&vmxoncpu[os_curcpu_number()].pa);