> From: linux-hyperv-owner@xxxxxxxxxxxxxxx > Sent: Sunday, May 19, 2019 3:29 PM > > Due to Azure host agent settings, the device instance ID's bytes 8 and 9 > are no longer unique. This causes some of the PCI devices not showing up > in VMs with multiple passthrough devices, such as GPUs. So, as recommended > by Azure host team, we now use the bytes 4 and 5 which usually provide > unique numbers. > > In the rare cases of collision, we will detect and find another number > that is not in use. > Thanks to Michael Kelley <mikelley@xxxxxxxxxxxxx> for proposing this idea. > > Signed-off-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx> The patch looks good to me. Reviewed-by: Dexuan Cui <decui@xxxxxxxxxxxxx>
