tools/testing/selftests/kvm/x86/nested_dirty_log_test.c

Source file repositories/reference/linux-study-clean/tools/testing/selftests/kvm/x86/nested_dirty_log_test.c

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/kvm/x86/nested_dirty_log_test.c
Extension
.c
Size
8496 bytes
Lines
294
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

switch (get_ucall(vcpu, &uc)) {
		case UCALL_ABORT:
			REPORT_GUEST_ASSERT(uc);
			/* NOT REACHED */
		case UCALL_SYNC:
			test_handle_ucall_sync(vm, uc.args[1], bmap);
			break;
		case UCALL_DONE:
			done = true;
			break;
		default:
			TEST_FAIL("Unknown ucall %lu", uc.cmd);
		}
	}
}

int main(int argc, char *argv[])
{
	TEST_REQUIRE(kvm_cpu_has(X86_FEATURE_VMX) || kvm_cpu_has(X86_FEATURE_SVM));

	test_dirty_log(/*nested_tdp=*/false);

	if (kvm_cpu_has_tdp())
		test_dirty_log(/*nested_tdp=*/true);

	return 0;
}

Annotation

Implementation Notes