Il 05/12/2013 16:21, Wei Liu ha scritto:
On Thu, Dec 05, 2013 at 04:11:52PM +0100, Fabio Fantoni wrote:
[...]
I saw a draft of virtio disk/net implementation for xen here:
http://wiki.xen.org/wiki/Virtio_On_Xen
There are 2 kernel patch to support virtio on pv domUs:
http://downloads.xen.org/Wiki/VirtioOnXen/linux-01-virtio-xenbus.patch
http://downloads.xen.org/Wiki/VirtioOnXen/linux-02-virtio-ring.patch
Do not use these patches, they were experimental.
What about virtio on hvm linux? Maybe
From wiki it seems virtio kernel patches only needed for pv domUs.
Could be these patches needed to have virtio fully working also for
hvm domUs?
Virtio for HVM guests should work out of the box. You probably need to
prevent kernel from unplugging emulated devices.
Wei.
Thanks for reply.
I not mean virtio disk/net but virtio-serial channels used for example
by spice vdagent.
The libxl implentation xen side is correct and on windows domUs vdagent
is working (I'm using it since 2 year).
On linux domUs I found that virtio ports under /dev are missed/not
created and I not understand why.
Recently I tried also with xen_platform_pci=0 and the Konrad's patch
(xen/pvhvm: If xen_platform_pci=0 is set don't blow up) but to no avail.
Thanks for any reply.
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