On 2024-12-16 10:21, Christoph Schlameuss wrote:
Add a selftests for the interrupt routing configuration when using ucontrol VMs.
Calling the test may trigger a null pointer dereferences on kernels not containing the fixes in this patch series.
Signed-off-by: Christoph Schlameuss schlameuss@linux.ibm.com
Reviewed-by: Hariharan Mari hari55@linux.ibm.com
.../selftests/kvm/s390x/ucontrol_test.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)
diff --git a/tools/testing/selftests/kvm/s390x/ucontrol_test.c b/tools/testing/selftests/kvm/s390x/ucontrol_test.c index b003abda8495..8f306395696e 100644 --- a/tools/testing/selftests/kvm/s390x/ucontrol_test.c +++ b/tools/testing/selftests/kvm/s390x/ucontrol_test.c @@ -783,4 +783,23 @@ TEST_F(uc_kvm, uc_flic_attrs) close(cd.fd); }
+TEST_F(uc_kvm, uc_set_gsi_routing) +{
- struct kvm_irq_routing *routing = kvm_gsi_routing_create();
- struct kvm_irq_routing_entry ue = {
.type = KVM_IRQ_ROUTING_S390_ADAPTER,.gsi = 1,.u.adapter = (struct kvm_irq_routing_s390_adapter) {.ind_addr = 0,},- };
- int rc;
- routing->entries[0] = ue;
- routing->nr = 1;
- rc = ioctl(self->vm_fd, KVM_SET_GSI_ROUTING, routing);
- ASSERT_EQ(-1, rc) TH_LOG("err %s (%i)", strerror(errno), errno);
- ASSERT_EQ(EINVAL, errno) TH_LOG("err %s (%i)", strerror(errno),
errno); +}
TEST_HARNESS_MAIN