PCID_KERNEL
MAKECR3(kas.a_hat->hat_htable->ht_pfn, PCID_KERNEL));
kcr3 = MAKECR3(tl_kpfn, PCID_KERNEL) | CR3_NOINVL_BIT;
ASSERT(getpcid() == PCID_KERNEL);
ASSERT(getpcid() == PCID_KERNEL);
invpcid(INVPCID_ADDR, PCID_KERNEL, va);
ASSERT(getpcid() == PCID_KERNEL);