Issue found with kvm-unit-test repo updated to e11a0e2f88 ("s390x: Fix integer literal in skey.c") upstream.
Test failed with:
* FAIL: pmu: pmu-chain-promotion: CHAIN counter enabled: CHAIN counter was incremented and overflow
* FAIL: pmu: pmu-chain-promotion: 32b->64b: CHAIN counter incremented and overflow
Test log:
Running '/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/tests/pmu-chain-promotion'
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.CFmApYdr3s -smp 1 -append pmu-chain-promotion # -initrd /tmp/tmp.aHKsYBD0nt
INFO: PMU version: 0x1
INFO: PMU implementer/ID code: 0x43("C")/0
INFO: Implements 6 event counters
PASS: pmu: pmu-chain-promotion: chain counter not counting if even counter is disabled
PASS: pmu: pmu-chain-promotion: odd counter did not increment on overflow if disabled
INFO: pmu: pmu-chain-promotion: MEM_ACCESS counter #0 has value 4
INFO: pmu: pmu-chain-promotion: CHAIN counter #1 has value 0
INFO: pmu: pmu-chain-promotion: overflow counter 1
INFO: pmu: pmu-chain-promotion: MEM_ACCESS counter #0 has value 0xfffffff0
INFO: pmu: pmu-chain-promotion: MEM_ACCESS counter #0 has value 0x4
PASS: pmu: pmu-chain-promotion: should have triggered an overflow on #0
PASS: pmu: pmu-chain-promotion: CHAIN counter #1 shouldn't have incremented
INFO: pmu: pmu-chain-promotion: counter #0 = 0xffffffdc, counter #1 = 0x0 overflow=0x0
INFO: pmu: pmu-chain-promotion: MEM_ACCESS counter #0 has value 0xfffffff0
INFO: pmu: pmu-chain-promotion: MEM_ACCESS counter #0 has value 0x4
FAIL: pmu: pmu-chain-promotion: CHAIN counter enabled: CHAIN counter was incremented and overflow
INFO: pmu: pmu-chain-promotion: CHAIN counter #1 = 0x1, overflow=0x0
INFO: pmu: pmu-chain-promotion: MEM_ACCESS counter #0 has value 0xfffffff0
INFO: pmu: pmu-chain-promotion: MEM_ACCESS counter #0 has value 0x4
FAIL: pmu: pmu-chain-promotion: 32b->64b: CHAIN counter incremented and overflow
INFO: pmu: pmu-chain-promotion: CHAIN counter #1 = 0x1, overflow=0x0
INFO: pmu: pmu-chain-promotion: counter #0=0xfffffff0, counter #1=0x0
PASS: pmu: pmu-chain-promotion: overflow is expected on counter 0
INFO: pmu: pmu-chain-promotion: counter #0=0x4, counter #1=0x2be overflow=0x1
SUMMARY: 7 tests, 2 unexpected failures
FAIL pmu-chain-promotion (7 tests, 2 unexpected failures)
