KVM: selftests: Add TEST_REQUIRE macros to reduce skipping copy+paste

Add TEST_REQUIRE() and __TEST_REQUIRE() to replace the myriad open coded
instances of selftests exiting with KSFT_SKIP after printing an
informational message.  In addition to reducing the amount of boilerplate
code in selftests, the UPPERCASE macro names make it easier to visually
identify a test's requirements.

Convert usage that erroneously uses something other than print_skip()
and/or "exits" with '0' or some other non-KSFT_SKIP value.

Intentionally drop a kvm_vm_free() in aarch64/debug-exceptions.c as part
of the conversion.  All memory and file descriptors are freed on process
exit, so the explicit free is superfluous.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 2 insertions, 8 deletions

diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index f93b0d9334e5..cca89d9a83ea 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -26,10 +26,7 @@ int open_path_or_exit(const char *path, int flags)
 	int fd;
 
 	fd = open(path, flags);
-	if (fd < 0) {
-		print_skip("%s not available (errno: %d)", path, errno);
-		exit(KSFT_SKIP);
-	}
+	__TEST_REQUIRE(fd >= 0, "%s not available (errno: %d)", path, errno);
 
 	return fd;
 }
@@ -93,10 +90,7 @@ static void vm_open(struct kvm_vm *vm)
 {
 	vm->kvm_fd = _open_kvm_dev_path_or_exit(O_RDWR);
 
-	if (!kvm_has_cap(KVM_CAP_IMMEDIATE_EXIT)) {
-		print_skip("immediate_exit not available");
-		exit(KSFT_SKIP);
-	}
+	TEST_REQUIRE(kvm_has_cap(KVM_CAP_IMMEDIATE_EXIT));
 
 	vm->fd = __kvm_ioctl(vm->kvm_fd, KVM_CREATE_VM, vm->type);
 	TEST_ASSERT(vm->fd >= 0, KVM_IOCTL_ERROR(KVM_CREATE_VM, vm->fd));