On Fri, Mar 26, 2021 at 11:48:07AM -0500, Jonathon Jongsma wrote: > At startup, query devices that are defined by 'mdevctl' and add them to > the node device list. > > This adds a complication: we now have two potential sources of > information for a node device: > - udev for all devices and for activated mediated devices > - mdevctl for persistent mediated devices > > Unfortunately, neither backend returns full information for a mediated > device. For example, if a persistent mediated device in the list (with > information provided from mdevctl) is 'started', that same device will > now be detected by udev. If we simply overwrite the existing device > definition with the new one provided by the udev backend, we will lose > extra information that was provided by mdevctl (e.g. attributes, etc). > To avoid this, make sure to copy the extra information into the new > device definition. > > Signed-off-by: Jonathon Jongsma <jjongsma@xxxxxxxxxx> > --- Reviewed-by: Erik Skultety <eskultet@xxxxxxxxxx>
