On Mon, Apr 12, 2021 at 03:59:04PM +0200, Niklas Schnelle wrote: > Hi Narendra, Hi All, > > According to Documentation/ABI/testing/sysfs-bus-pci you are responsible > for the index device attribute that is used by systemd to create network > interface names. > > Now we would like to reuse this attribute for firmware provided PCI > device index numbers on the s390 architecture which doesn't have > SMBIOS/DMI nor ACPI. All code changes are within our architecture > specific code but I'd like to get some Acks for this reuse. I've sent an > RFC version of this patch on 15th of March with the subject: > > s390/pci: expose a PCI device's UID as its index > > but got no response. Would it be okay to re-use this attribute for > essentially the same purpose but with index numbers provided by > a different platform mechanism? I think this would be cleaner than > further proliferation of /sys/bus/pci/devices/<dev>/xyz_index > attributes and allows re-use of the existing userspace infrastructure. I'm missing an explanation that this change is safe for systemd and they don't have some hard-coded assumption about the meaning of existing index on s390. Thanks
