CPUCP_PACKET_FENCE_VAL
expected_ack_val = CPUCP_PACKET_FENCE_VAL;
test_pkt.value = cpu_to_le64(CPUCP_PACKET_FENCE_VAL);
if (result != CPUCP_PACKET_FENCE_VAL)
hb_pkt.value = cpu_to_le64(CPUCP_PACKET_FENCE_VAL);
if ((rc) || (result != CPUCP_PACKET_FENCE_VAL))