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-rw-r--r--tools/testing/selftests/kvm/kvm_binary_stats_test.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/tools/testing/selftests/kvm/kvm_binary_stats_test.c b/tools/testing/selftests/kvm/kvm_binary_stats_test.c
index 5317e27b77d0..698c1cfa3111 100644
--- a/tools/testing/selftests/kvm/kvm_binary_stats_test.c
+++ b/tools/testing/selftests/kvm/kvm_binary_stats_test.c
@@ -252,6 +252,14 @@ int main(int argc, char *argv[])
stats_test(vcpu_get_stats_fd(vcpus[i * max_vcpu + j]));
}
+ /*
+ * Close the VM fd and redo the stats tests. KVM should gift a
+ * reference (to the VM) to each stats fd, i.e. stats should
+ * still be accessible even after userspace has put its last
+ * _direct_ reference to the VM.
+ */
+ kvm_vm_free(vms[i]);
+
stats_test(vm_stats_fds);
for (j = 0; j < max_vcpu; ++j)
stats_test(vcpu_stats_fds[j]);
@@ -259,8 +267,6 @@ int main(int argc, char *argv[])
ksft_test_result_pass("vm%i\n", i);
}
- for (i = 0; i < max_vm; ++i)
- kvm_vm_free(vms[i]);
free(vms);
free(vcpus);
free(vcpu_stats_fds);