42  * iteration to provide a lower bound on coverage.
80 static uint64_t iteration;  variable
112 	 * pages during the first iteration.  in guest_code()
116 		vcpu_arch_put_guest(*(uint64_t *)addr, READ_ONCE(iteration));  in guest_code()
128 			vcpu_arch_put_guest(*(uint64_t *)addr, READ_ONCE(iteration));  in guest_code()
208  *                   iteration, the test fails.
212  * write during iteration N-1, thus remember last iteration last log entry
213  * and also don't fail when it is reported in the next iteration, together with
214  * an outdated iteration count.
506 		 * multiple times per iteration, i.e. can show up in both  in vm_dirty_log_verify()
515 			 * should be the current iteration number.  in vm_dirty_log_verify()
517 			if (val == iteration)  in vm_dirty_log_verify()
523 				 * iteration can be written with the value  in vm_dirty_log_verify()
524 				 * from the previous iteration, as the value to  in vm_dirty_log_verify()
528 				    val == iteration - 1)  in vm_dirty_log_verify()
532 				 * Any value from a previous iteration is legal  in vm_dirty_log_verify()
535 				 * it had before this iteration started.  in vm_dirty_log_verify()
538 				    val < iteration)  in vm_dirty_log_verify()
540 			} else if (!val && iteration == 1 && bmap0_dirty) {  in vm_dirty_log_verify()
544 				 * iteration can observe a "dirty" page that  in vm_dirty_log_verify()
552 			TEST_FAIL("Dirty page %lu value (%lu) != iteration (%lu) "  in vm_dirty_log_verify()
554 				  page, val, iteration, dirty_ring_last_page,  in vm_dirty_log_verify()
560 			 * value smaller than the iteration number.  in vm_dirty_log_verify()
562 			TEST_ASSERT(val < iteration,  in vm_dirty_log_verify()
563 				    "Clear page %lu value (%lu) >= iteration (%lu) "  in vm_dirty_log_verify()
565 				    page, val, iteration, dirty_ring_last_page,  in vm_dirty_log_verify()
570 	pr_info("Iteration %2ld: dirty: %-6lu clean: %-6lu writes: %-6lu\n",  in vm_dirty_log_verify()
571 		iteration, nr_dirty_pages, nr_clean_pages, nr_writes);  in vm_dirty_log_verify()
648 	 * iteration isn't compatible with the dirty ring, as the dirty ring  in run_test()
685 	 * Ensure the previous iteration didn't leave a dangling semaphore, i.e.  in run_test()
698 	for (iteration = 1; iteration <= p->iterations; iteration++) {  in run_test()
701 		sync_global_to_guest(vm, iteration);  in run_test()
761 		 * pages that are written during this iteration may be missed,  in run_test()
762 		 * i.e. collected in the next iteration.  And if the vCPU is  in run_test()
764 		 * sees as clean may be written with this iteration's value.  in run_test()
818 	printf(" -i: specify iteration counts (default: %"PRIu64")\n",  in help()