[PATCH 10/12] KVM: selftests: Assert that eventfd() succeeds in Xen shinfo test

From: Sean Christopherson
Date: Tue Apr 01 2025 - 16:51:39 EST


Assert that eventfd() succeeds in the Xen shinfo test instead of skipping
the associated testcase. While eventfd() is outside the scope of KVM, KVM
unconditionally selects EVENTFD, i.e. the syscall should always succeed.

Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
---
tools/testing/selftests/kvm/x86/xen_shinfo_test.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/tools/testing/selftests/kvm/x86/xen_shinfo_test.c b/tools/testing/selftests/kvm/x86/xen_shinfo_test.c
index 287829f850f7..34d180cf4eed 100644
--- a/tools/testing/selftests/kvm/x86/xen_shinfo_test.c
+++ b/tools/testing/selftests/kvm/x86/xen_shinfo_test.c
@@ -548,14 +548,11 @@ int main(int argc, char *argv[])

if (do_eventfd_tests) {
irq_fd[0] = eventfd(0, 0);
+ TEST_ASSERT(irq_fd[0] >= 0, __KVM_SYSCALL_ERROR("eventfd()", irq_fd[0]));
+
irq_fd[1] = eventfd(0, 0);
+ TEST_ASSERT(irq_fd[1] >= 0, __KVM_SYSCALL_ERROR("eventfd()", irq_fd[1]));

- /* Unexpected, but not a KVM failure */
- if (irq_fd[0] == -1 || irq_fd[1] == -1)
- do_evtchn_tests = do_eventfd_tests = false;
- }
-
- if (do_eventfd_tests) {
irq_routes.info.nr = 2;

irq_routes.entries[0].gsi = 32;
--
2.49.0.504.g3bcea36a83-goog