Re: HVM performance deficiencies

["Jonathan A. Kollasch" <jakllsch%kollasch.net@localhost>]

On Thu, Jan 14, 2010 at 05:59:49PM -0500, Thor Lancelot Simon wrote:
> On Thu, Jan 14, 2010 at 06:21:30PM +0100, Wolfgang Solfrank wrote:
> > Hi,
> >
> > NetBSD has several performance deficiencies when run as an HVM guest
> > under Xen.  The problem stems from the fact that the qemu hardware
> > emulation isn't completely compatible with real hardware, and our
> > drivers misidentify and/or misuse some features:
> 
> 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.

In any case, I've got code lying around that implements (to some
extent) working virtio-net|disk|console drivers, I should see about
getting more-explicitly-BSD-licensed header files so I can commit
what I've got.

        Jonathan Kollasch