[RFC] virtio: use mandatory barriers for remote processor vdevs
From: Ohad Ben-Cohen <hidden>
Date: 2011-12-01 07:15:34
Also in:
kvm, lkml, virtualization
On Thu, Dec 1, 2011 at 4:28 AM, Rusty Russell [off-list ref] 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