Commit 033b76bc authored by Sean Christopherson's avatar Sean Christopherson
Browse files

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: default avatarK Prateek Nayak <kprateek.nayak@amd.com>
Acked-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20250522235223.3178519-12-seanjc@google.com


Signed-off-by: default avatarSean Christopherson <seanjc@google.com>
parent b599d44a

tools/testing/selftests/kvm/x86/xen_shinfo_test.c

+3 −6
Original line number Diff line number Diff line
@@ -548,14 +548,11 @@ int main(int argc, char *argv[]) 


	if (do_eventfd_tests) {

		irq_fd[0] = eventfd(0, 0);

		irq_fd[1] = eventfd(0, 0);

		TEST_ASSERT(irq_fd[0] >= 0, __KVM_SYSCALL_ERROR("eventfd()", irq_fd[0]));



		/* Unexpected, but not a KVM failure */

		if (irq_fd[0] == -1 || irq_fd[1] == -1)

			do_evtchn_tests = do_eventfd_tests = false;

	}

		irq_fd[1] = eventfd(0, 0);

		TEST_ASSERT(irq_fd[1] >= 0, __KVM_SYSCALL_ERROR("eventfd()", irq_fd[1]));



	if (do_eventfd_tests) {

		irq_routes.info.nr = 2;



		irq_routes.entries[0].gsi = 32;