pmu-overflow-interrupt from ubuntu_kvm_unit_tests failed on K-arm64

[Po-Hsu Lin]

Issue found with kvm-unit-test repo updated to e11a0e2f88 ("s390x: Fix integer literal in skey.c") upstream.

Test failed with:
  * FAIL: pmu: pmu-overflow-interrupt: expect overflow interrupt on 32b boundary
  * FAIL: pmu: pmu-overflow-interrupt: expect overflow interrupt on even and odd counter

Test log:
  Running '/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/tests/pmu-overflow-interrupt'
 BUILD_HEAD=48af4243
 timeout -k 1s --foreground 90s /usr/bin/qemu-system-aarch64 -nodefaults -machine virt,gic-version=host -accel kvm -cpu host -device virtio-serial-device -device virtconsole,chardev=ctd -chardev testdev,id=ctd -device pci-testdev -display none -serial stdio -kernel /tmp/tmp.unLVkupG6j -smp 1 -append pmu-overflow-interrupt # -initrd /tmp/tmp.DAJ0ZbmIdL
 INFO: PMU version: 0x1
 INFO: PMU implementer/ID code: 0x43("C")/0
 INFO: Implements 6 event counters
 PASS: pmu: pmu-overflow-interrupt: no overflow interrupt after preset
 PASS: pmu: pmu-overflow-interrupt: no overflow interrupt after counting
 INFO: pmu: pmu-overflow-interrupt: overflow=0x0
 PASS: pmu: pmu-overflow-interrupt: overflow interrupts expected on #0 and #1
 FAIL: pmu: pmu-overflow-interrupt: expect overflow interrupt on 32b boundary
 FAIL: pmu: pmu-overflow-interrupt: expect overflow interrupt on even and odd counter
 SUMMARY: 5 tests, 2 unexpected failures
 FAIL pmu-overflow-interrupt (5 tests, 2 unexpected failures)