[PATCH 2/2] KVM: arm64: selftests: Check SError is not pending after delivery
From: Fuad Tabba <fuad.tabba@linux.dev>
Date: 2026-08-29 07:11:31
Also in:
kvmarm, lkml
Subsystem:
kernel selftest framework, kernel virtual machine (kvm), kernel virtual machine for arm64 (kvm/arm64), the rest · Maintainers:
Shuah Khan, Shuah Khan, Paolo Bonzini, Marc Zyngier, Oliver Upton, Linus Torvalds
test_serror() never looks at the vCPU after the SError is delivered, so a stale pending SError goes unnoticed. Read the vCPU events back and check the SError is no longer pending. Signed-off-by: Fuad Tabba <fuad.tabba@linux.dev> --- tools/testing/selftests/kvm/arm64/external_aborts.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/tools/testing/selftests/kvm/arm64/external_aborts.c b/tools/testing/selftests/kvm/arm64/external_aborts.c
index d8fe17a6cc592..b276a4998a92c 100644
--- a/tools/testing/selftests/kvm/arm64/external_aborts.c
+++ b/tools/testing/selftests/kvm/arm64/external_aborts.c@@ -239,6 +239,7 @@ static void test_serror_guest(void) static void test_serror(void) { + struct kvm_vcpu_events events; struct kvm_vcpu *vcpu; struct kvm_vm *vm = vm_create_with_dabt_handler(&vcpu, test_serror_guest, unexpected_dabt_handler);
@@ -247,6 +248,11 @@ static void test_serror(void) vcpu_inject_serror(vcpu); vcpu_run_expect_done(vcpu); + + vcpu_events_get(vcpu, &events); + TEST_ASSERT(!events.exception.serror_pending, + "SError still pending after the guest took it"); + kvm_vm_free(vm); }
--
2.39.5