[PATCH 3/3] KVM: selftests: x86: Use TAP interface in the tsc_msrs_test

Thomas Huth
2022-10-04T09:37:16Z

Let's add some output here so that the user has some feedback
about what is being run.

Signed-off-by: Thomas Huth <thuth@redhat.com>
---
.../testing/selftests/kvm/x86_64/tsc_msrs_test.c | 16 ++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/tools/testing/selftests/kvm/x86_64/tsc_msrs_test.c b/tools/testing/selftests/kvm/x86_64/tsc_msrs_test.c
index 22d366c697f7..c9f67702f657 100644
--- a/tools/testing/selftests/kvm/x86_64/tsc_msrs_test.c
+++ b/tools/testing/selftests/kvm/x86_64/tsc_msrs_test.c
@@ -72,11 +72,16 @@ static void run_vcpu(struct kvm_vcpu *vcpu, int stage)

switch (get_ucall(vcpu, &uc)) {
case UCALL_SYNC:
- TEST_ASSERT(!strcmp((const char *)uc.args[0], "hello") &&
- uc.args[1] == stage + 1, "Stage %d: Unexpected register values vmexit, got %lx",
- stage + 1, (ulong)uc.args[1]);
+ if (!strcmp((const char *)uc.args[0], "hello") &&
+ uc.args[1] == stage + 1)
+ ksft_test_result_pass("stage %d passed\n", stage + 1);
+ else
+ ksft_test_result_fail(
+ "stage %d: Unexpected register values vmexit, got %lx",
+ stage + 1, (ulong)uc.args[1]);
return;
case UCALL_DONE:
+ ksft_test_result_pass("stage %d passed\n", stage + 1);
return;
case UCALL_ABORT:
REPORT_GUEST_ASSERT_2(uc, "values: %#lx, %#lx");
@@ -92,6 +97,9 @@ int main(void)
struct kvm_vm *vm;
uint64_t val;

+ ksft_print_header();
+ ksft_set_plan(5);
+
vm = vm_create_with_one_vcpu(&vcpu, guest_code);

val = 0;
@@ -149,5 +157,5 @@ int main(void)

kvm_vm_free(vm);

- return 0;
+ ksft_finished(); /* Print results and exit() accordingly */
}
--
2.31.1