On Thu, Nov 08, 2018 at 06:12:40AM +0000, YueHaibing wrote: > - tag = event[1] & 0x03FF; > dev_err(dev, "INVALID_PPR_REQUEST device=%02x:%02x.%x pasid=0x%05x address=0x%016llx flags=0x%04x]\n", > PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid), > pasid, address, flags); This looks like tag was just missed in the error message. It is better to add it there instead of removing it. Regards, Joerg