summaryrefslogtreecommitdiff
path: root/tools/testing/selftests/kvm/irqfd_test.c
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2025-11-22 17:07:57 +0100
committerThomas Gleixner <tglx@linutronix.de>2025-11-22 17:07:57 +0100
commitebb922c920cefbeb2ce93775a66da0df479661cc (patch)
treed1629e2317a08aebd9c351916676054a42e7a6df /tools/testing/selftests/kvm/irqfd_test.c
parentac646f44956edc9aaa406b4a8fef17888a2166af (diff)
parentdcb6fa37fd7bc9c3d2b066329b0d27dedf8becaa (diff)
Merge tag 'v6.18-rc3' into irq/msi
Pick up OF changes to resolve dependencies
Diffstat (limited to 'tools/testing/selftests/kvm/irqfd_test.c')
-rw-r--r--tools/testing/selftests/kvm/irqfd_test.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/tools/testing/selftests/kvm/irqfd_test.c b/tools/testing/selftests/kvm/irqfd_test.c
index 7c301b4c7005..5d7590d01868 100644
--- a/tools/testing/selftests/kvm/irqfd_test.c
+++ b/tools/testing/selftests/kvm/irqfd_test.c
@@ -89,11 +89,19 @@ static void juggle_eventfd_primary(struct kvm_vm *vm, int eventfd)
int main(int argc, char *argv[])
{
pthread_t racing_thread;
+ struct kvm_vcpu *unused;
int r, i;
- /* Create "full" VMs, as KVM_IRQFD requires an in-kernel IRQ chip. */
- vm1 = vm_create(1);
- vm2 = vm_create(1);
+ TEST_REQUIRE(kvm_arch_has_default_irqchip());
+
+ /*
+ * Create "full" VMs, as KVM_IRQFD requires an in-kernel IRQ chip. Also
+ * create an unused vCPU as certain architectures (like arm64) need to
+ * complete IRQ chip initialization after all possible vCPUs for a VM
+ * have been created.
+ */
+ vm1 = vm_create_with_one_vcpu(&unused, NULL);
+ vm2 = vm_create_with_one_vcpu(&unused, NULL);
WRITE_ONCE(__eventfd, kvm_new_eventfd());