On 20-07-21, 09:01, Arnd Bergmann wrote: > That's what I was hoping for, I'm just not sure if this is required > by the virtio spec or just the usual implementation of the device > side. Have you found a section in the spec that guarantees that > the virtqueue_kick() serves as a sufficient barrier that the driver > can rely on the information having arrived?
This is what the spec say about it: https://docs.oasis-open.org/virtio/virtio/v1.1/csprd01/virtio-v1.1-csprd01.html#x1-9000023 > Ok, in that case I guess the requeue has to be deferred, which may > rule out everything other than the fasteoi method. True. > I meant the notification from device to driver that an event has > happened. Yeah, I understood it later. -- viresh --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscr...@lists.oasis-open.org For additional commands, e-mail: virtio-dev-h...@lists.oasis-open.org
