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KVM: selftests: Assert that eventfd() succeeds in Xen shinfo test 

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.

Tested-by: K Prateek Nayak <kprateek.nayak@amd.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20250522235223.3178519-12-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
pull/1309/head
Sean Christopherson 2025-05-22 16:52:21 -07:00
parent b599d44a71
commit 033b76bc7f
1 changed files with 3 additions and 6 deletions
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9
tools/testing/selftests/kvm/x86/xen_shinfo_test.c
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@ -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;