On Feb 3, 2016 5:52 AM, "Michael S. Tsirkin" wrote:
>
> On Tue, Feb 02, 2016 at 09:46:36PM -0800, Andy Lutomirski wrote:
> > virtio_ring currently sends the device (usually a hypervisor)
> > physical addresses of its I/O buffers. This is okay when DMA
> > addresses and physical addresses are the
On Tue, Feb 02, 2016 at 09:46:36PM -0800, Andy Lutomirski wrote:
> virtio_ring currently sends the device (usually a hypervisor)
> physical addresses of its I/O buffers. This is okay when DMA
> addresses and physical addresses are the same thing, but this isn't
> always the case. For example, thi
virtio_ring currently sends the device (usually a hypervisor)
physical addresses of its I/O buffers. This is okay when DMA
addresses and physical addresses are the same thing, but this isn't
always the case. For example, this never works on Xen guests, and
it is likely to fail if a physical "virt
