[PATCH 16/16] KVM: arm64: selftests: Deal with spurious timer interrupts

[Marc Zyngier]

Make sure the timer test can properly handle a spurious timer
interrupt, something that is far from being unlikely.

Signed-off-by: Marc Zyngier <maz at kernel.org>
---
 tools/testing/selftests/kvm/aarch64/arch_timer.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/testing/selftests/kvm/aarch64/arch_timer.c b/tools/testing/selftests/kvm/aarch64/arch_timer.c
index 62af0e7d10b4..3f6f0bfa68a2 100644
--- a/tools/testing/selftests/kvm/aarch64/arch_timer.c
+++ b/tools/testing/selftests/kvm/aarch64/arch_timer.c
@@ -158,6 +158,9 @@ static void guest_irq_handler(struct ex_regs *regs)
 	uint32_t cpu = guest_get_vcpuid();
 	struct test_vcpu_shared_data *shared_data = &vcpu_shared_data[cpu];
 
+	if (intid == IAR_SPURIOUS)
+		return;
+
 	guest_validate_irq(intid, shared_data);
 
 	WRITE_ONCE(shared_data->nr_iter, shared_data->nr_iter + 1);
-- 
2.34.1