[RFC] virtio: use mandatory barriers for remote processor vdevs

[Ohad Ben-Cohen]

On Thu, Dec 1, 2011 at 4:28 AM, Rusty Russell <rusty at rustcorp.com.au> wrote:
> Hmm, we got away with light barriers because we knew we were not
> *really* talking to a device.  But now with virtio-mmio, turns out we
> are :)
>
> I'm really tempted to revert d57ed95 for 3.2, and we can revisit this
> optimization later if it proves worthwhile.

+1