Re: [PATCH v2 2/5] Remove REV from DeviceID

[Paul Durrant <xadimgnik@xxxxxxxxx>]

On 28/09/2023 13:04, Paul Durrant wrote:
> On 13/09/2023 15:15, Owen Smith wrote:
> > Driver upgrades use HardwareIDs (or CompatibleIDs) to match the child 
> > INF DDInstall
> > section (stored as matching device id), but use the DeviceID to 
> > generate the device
> > instance path. By keeping the device instance path the same over 
> > upgrades, the network
> > stack should identify this as an upgrade, rather than 'replacement 
> > hardware', and
> > not generate a new network connection, which would require network 
> > settings to be
> > copied from the existing network connection to the new network 
> > connection.
> > Note: This introduces a strict requirement for child device INF 
> > DDInstall sections to
> >    reference devices by the full (including revision) hardware ID
> Do you have a XENNET patch for this. What happens if I install an 
> existing build of XENNET on top of a XENVIF with this change?
Oh. Now that I check, XENNET *does* use the full h/w id already. I guess 
what you meant was that previously this was not necessary.
  Paul