v3_lower_barrier(vm);
}
+ return 0;
+}
- return 0;
+int v3_unhook_exit(struct v3_vm_info * vm, v3_exit_type_t exit_type, struct guest_info * current_core) {
+ struct v3_exit_map * map = &(vm->exit_map);
+ struct v3_exit_hook * hook = NULL;
+
+
+ if (exit_type >= V3_EXIT_INVALID) {
+ PrintError("Error: Tried to unhook invalid exit type (%d)\n", exit_type);
+ return -1;
+ }
+
+ hook = &(map->exits[exit_type]);
+
+ if (hook->registered == 0) {
+ PrintError("Tried to unhook an unregistered exit (%d)\n", exit_type);
+ return -1;
+ }
+
+ if (hook->hooked == 0) {
+ PrintError("Tried to unhook and unhooked exit (%d)\n", exit_type);
+ return -1;
+ }
+
+
+ hook->hooked = 0;
+ hook->handler = NULL;
+ hook->priv_data = NULL;
+
+
+ if (vm->run_state != VM_INVALID) {
+ int i = 0;
+
+ while (v3_raise_barrier(vm, current_core) == -1);
+
+ for (i = 0; i < vm->num_cores; i++) {
+
+ if (hook->disable(&(vm->cores[i]), exit_type) != 0) {
+ PrintError("Error could not enable exit hook %d on core %d\n", exit_type, i);
+ v3_lower_barrier(vm);
+ return -1;
+ }
+ }
+
+ v3_lower_barrier(vm);
+ }
+
+ return 0;
}
