Re: HVM performance deficiencies

[Christoph Egger <Christoph_Egger%gmx.de@localhost>]

On 15.01.10 01:28, Thor Lancelot Simon wrote:
> On Thu, Jan 14, 2010 at 11:22:59PM +0000, Jonathan A. Kollasch wrote:
>> On Thu, Jan 14, 2010 at 05:59:49PM -0500, Thor Lancelot Simon wrote:
>>>
>>> Wouldn't it be preferable to get virtio-net and virtio-disk going,
>>> instead?  That would also improve NetBSD performance under VirtualBox.
>>
>> VirtualBox has virtio?  I thought that was a Linux KVM thing.
> 
> VirtualBox grew virtio when QEMU did.  It looks like Xen's qemu is
> actually old enough that it still may not have it.
> 
> There's also the interface to use xen PV network and disk from HVM
> guests.  I think there are two *different* sets of open source drivers
> for various operating systems floating around for this; maybe it is
> the shortest path forward.

Xen 4.0's ioemu is based on qemu 0.10

Christoph