244 	struct sync_area *sync;  in prepare_vm()  local
311 	sync = (typeof(sync))vm_gpa2hva(data, MEM_SYNC_GPA, NULL);  in prepare_vm()
312 	atomic_init(&sync->start_flag, false);  in prepare_vm()
313 	atomic_init(&sync->exit_flag, false);  in prepare_vm()
314 	atomic_init(&sync->sync_flag, false);  in prepare_vm()
343 static void let_guest_run(struct sync_area *sync)  in let_guest_run()  argument
345 	atomic_store_explicit(&sync->start_flag, true, memory_order_release);  in let_guest_run()
350 	struct sync_area *sync = (typeof(sync))MEM_SYNC_GPA;  in guest_spin_until_start()  local
352 	while (!atomic_load_explicit(&sync->start_flag, memory_order_acquire))  in guest_spin_until_start()
356 static void make_guest_exit(struct sync_area *sync)  in make_guest_exit()  argument
358 	atomic_store_explicit(&sync->exit_flag, true, memory_order_release);  in make_guest_exit()
363 	struct sync_area *sync = (typeof(sync))MEM_SYNC_GPA;  in _guest_should_exit()  local
365 	return atomic_load_explicit(&sync->exit_flag, memory_order_acquire);  in _guest_should_exit()
376 static noinline void host_perform_sync(struct sync_area *sync)  in host_perform_sync()  argument
380 	atomic_store_explicit(&sync->sync_flag, true, memory_order_release);  in host_perform_sync()
381 	while (atomic_load_explicit(&sync->sync_flag, memory_order_acquire))  in host_perform_sync()
389 	struct sync_area *sync = (typeof(sync))MEM_SYNC_GPA;  in guest_perform_sync()  local
397 	} while (!atomic_compare_exchange_weak_explicit(&sync->sync_flag,  in guest_perform_sync()
407 	struct sync_area *sync = (typeof(sync))MEM_SYNC_GPA;  in guest_code_test_memslot_move()  local
408 	uintptr_t base = (typeof(base))READ_ONCE(sync->move_area_ptr);  in guest_code_test_memslot_move()
422 		 * No host sync here since the MMIO exits are so expensive  in guest_code_test_memslot_move()
435 	struct sync_area *sync = (typeof(sync))MEM_SYNC_GPA;  in guest_code_test_memslot_map()  local
464 	struct sync_area *sync = (typeof(sync))MEM_SYNC_GPA;  in guest_code_test_memslot_unmap()  local
475 		 * per host sync as otherwise the host will spend  in guest_code_test_memslot_unmap()
529 				      struct sync_area *sync,  in test_memslot_move_prepare()  argument
547 	sync->move_area_ptr = (void *)movetestgpa;  in test_memslot_move_prepare()
559 					     struct sync_area *sync,  in test_memslot_move_prepare_active()  argument
562 	return test_memslot_move_prepare(data, sync, maxslots, true);  in test_memslot_move_prepare_active()
566 					       struct sync_area *sync,  in test_memslot_move_prepare_inactive()  argument
569 	return test_memslot_move_prepare(data, sync, maxslots, false);  in test_memslot_move_prepare_inactive()
572 static void test_memslot_move_loop(struct vm_data *data, struct sync_area *sync)  in test_memslot_move_loop()  argument
623 static void test_memslot_map_loop(struct vm_data *data, struct sync_area *sync)  in test_memslot_map_loop()  argument
639 	host_perform_sync(sync);  in test_memslot_map_loop()
656 	host_perform_sync(sync);  in test_memslot_map_loop()
664 					   struct sync_area *sync,  in test_memslot_unmap_loop_common()  argument
676 	host_perform_sync(sync);  in test_memslot_unmap_loop_common()
682 	host_perform_sync(sync);  in test_memslot_unmap_loop_common()
691 				    struct sync_area *sync)  in test_memslot_unmap_loop()  argument
693 	test_memslot_unmap_loop_common(data, sync, 1);  in test_memslot_unmap_loop()
697 					    struct sync_area *sync)  in test_memslot_unmap_loop_chunked()  argument
699 	test_memslot_unmap_loop_common(data, sync, MEM_TEST_UNMAP_CHUNK_PAGES);  in test_memslot_unmap_loop_chunked()
702 static void test_memslot_rw_loop(struct vm_data *data, struct sync_area *sync)  in test_memslot_rw_loop()  argument
710 	host_perform_sync(sync);  in test_memslot_rw_loop()
723 	host_perform_sync(sync);  in test_memslot_rw_loop()
730 	bool (*prepare)(struct vm_data *data, struct sync_area *sync,
732 	void (*loop)(struct vm_data *data, struct sync_area *sync);
744 	struct sync_area *sync;  in test_execute()  local
755 	sync = (typeof(sync))vm_gpa2hva(data, MEM_SYNC_GPA, NULL);  in test_execute()
758 	    !tdata->prepare(data, sync, maxslots)) {  in test_execute()
766 	let_guest_run(sync);  in test_execute()
773 		tdata->loop(data, sync);  in test_execute()
778 	make_guest_exit(sync);  in test_execute()