VMM_BLOCK_HOOK
if ((sc->vmm_flags & VMM_BLOCK_HOOK) != 0) {
if ((sc->vmm_flags & VMM_BLOCK_HOOK) != 0) {
VERIFY((sc->vmm_flags & VMM_BLOCK_HOOK) != 0);
sc->vmm_flags &= ~VMM_BLOCK_HOOK;
sc->vmm_flags |= VMM_BLOCK_HOOK;