07/07/2023 07:07, Marvin Liu: > Currently, all buses use the same eal allow and block options. Need to > allow both allow and block options for different buses to coexist. > It wouldn't be a problem for pci bus if both allow and block options > were present. When the first option occurs, the scan mode for pci bus is > set. > > For example: > --allow 0000:05:00.0 --block wq0.0 > only pci device 0000:05:00.0 will be scanned > all devices except wq0.0 on dsa bus will be scanned > --allow 0000:05:00.0 --block 0000:05:00.1 > block option will be ignored > --block 0000:05:00.1 --allow 0000:05:00.0 > allow option will be ignored
It is wrong to ignore a user parameter silently. Also, it would be clearer to use the new devargs syntax with bus=pci,addr=0000:05:00.0