On Wed, Nov 02, 2022 at 10:15:24AM -0700, Davidlohr Bueso wrote: > On Tue, 25 Oct 2022, Bjorn Helgaas wrote: > ... > > The MSI case is ugly because the Interrupt Message Number can change > > when we set Multiple Message Enable. Maybe we can separate it out and > > have a less than optimal solution for this case, like allocating one > > or two vectors and polling if that's not enough. I expect most > > devices will support MSI-X. > > Would only supporting MSI-X be so terrible? My gut feeling is that polling when MSI-X isn't supported wouldn't be terrible, but I have no data on how common devices that only support MSI are. Bjorn
