On Fri, Oct 30, 2015 at 5:05 AM, Christian Borntraeger
wrote:
> Am 30.10.2015 um 13:01 schrieb Cornelia Huck:
>> On Thu, 29 Oct 2015 18:09:47 -0700
>> Andy Lutomirski wrote:
>>
>>> virtio_ring currently sends the device (usually a hypervisor)
>>> physical addresses of its I/O buffers. This is ok
Am 30.10.2015 um 13:01 schrieb Cornelia Huck:
> On Thu, 29 Oct 2015 18:09:47 -0700
> 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, b
On Thu, 29 Oct 2015 18:09:47 -0700
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, this nev
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
