Re: [Qemu-devel] slow virtio network with vhost=on and multiple cores

[Michael S. Tsirkin]

On Tue, Nov 13, 2012 at 05:03:20PM +0000, Dietmar Maurer wrote:
> > Tried with upstream qemu on rhel kernel and that's even a bit faster.
> > So it's ubuntu kernel. vanilla 2.6.32 didn't have vhost at all so maybe 
> > their
> > vhost backport is broken insome way.
> 
> You can also reproduce the problem with RHEL6.2 as guest
> But it seems RHEL 6.3 fixed it.

RHEL6.2 on ubuntu host?

> There seem to be a few vhost specific patches between those 2 versions.