From: Stephen Hemminger <redacted>
Sent: Tuesday, May 21, 2019 9:40 PM
Thanks for working this out with the host team.
Now if we could just get some persistent slot information it would make udev in systemd happy.
The slot info comes from the serial number "hpdev->desc.ser", which may not guarantee
uniqueness: "...Hyper-V doesn't provide unique serial numbers": see the changelog of the below
commit:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=29927dfb7f69bcf2ae7fd1cda10997e646a5189c
And we can pass through multiple devices to a VM in any order (i.e. hot add/remove), so IMO
the "slot" info is not unique and persistent.
Thanks,
-- Dexuan