On Fri, Apr 20, 2018 at 06:28:50PM +0300, Michael S. Tsirkin wrote: > But maybe it's not needed here. I am not making the decisions myself. > Not too late: post to the TC list and let's see what the response is. > Without a feature bit you are making a change affecting all future > implementations without exception so the bar is a bit higher: you need > to actually post a spec text proposal not just a patch showing how to > use the feature, and TC needs to vote on it. Voting takes a week, > review a week or two depending on change complexity. Also IFF the hardware already is out we can quirk it in the PCI ID table to manually set the feature in the driver as a workaround.