On Thu, Oct 27, 2022 at 05:27:28PM -0400, Stefan Hajnoczi wrote: > On Fri, Oct 07, 2022 at 05:56:42PM +0100, Usama Arif wrote: > > This includes the additions to the corresponding device and driver > > conformances. > > > > Signed-off-by: Usama Arif <[email protected]> > > Signed-off-by: Stefan Hajnoczi <[email protected]> > > You can keep this. One thought: > > I realized that virtio-mmio support won't be very useful until > virtio-mmio gets MSI-X support because drivers currently cannot > differentiate between device auxiliary notifications. > > Stefan
The big issue with MSI is it actually needs a ton of registers for interrupt rebalancing, masking etc and they need to be fast. Maybe a status bit like pci has makes sense here. -- MST --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
