gaccess_shadow_fault
int gaccess_shadow_fault(struct kvm_vcpu *vcpu, struct gmap *sg, gpa_t saddr,
rc_dest = gaccess_shadow_fault(vcpu, sg, dest, &pei_dest, true);
rc_src = gaccess_shadow_fault(vcpu, sg, src, &pei_src, false);
rc = gaccess_shadow_fault(vcpu, sg, prefix, NULL, true);
rc = gaccess_shadow_fault(vcpu, sg, prefix + PAGE_SIZE, NULL, true);
rc = gaccess_shadow_fault(vcpu, sg, current->thread.gmap_teid.addr * PAGE_SIZE, NULL, wr);
gaccess_shadow_fault(vcpu, sg, vsie_page->fault_addr, NULL, true);