Re: [PATCH 0/2] virtio_ccw: minor enhancements

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On Tue, 9 Dec 2014 20:50:35 +0200
"Michael S. Tsirkin" <mst@xxxxxxxxxx> wrote:

> On Tue, Dec 09, 2014 at 06:27:53PM +0100, Cornelia Huck wrote:
> > On Tue, 9 Dec 2014 15:53:32 +0200
> > "Michael S. Tsirkin" <mst@xxxxxxxxxx> wrote:
> > 
> > > Two enhancements for virtio_ccw, on top of latest 1.0 patchset
> > > 
> > > Cornelia Huck (1):
> > >   virtio_ccw: finalize_features error handling
> > > 
> > > Michael S. Tsirkin (1):
> > >   virtio_ccw: future-proof finalize_features
> > > 
> > >  drivers/s390/kvm/virtio_ccw.c | 18 +++++++++++-------
> > >  1 file changed, 11 insertions(+), 7 deletions(-)
> > > 
> > 
> > I tried to run this as a guest kernel with my virtio-1 qemu branch +
> > your revision patch on top and it at least boots :) More testing
> > tomorrow.
> 
> It's best if you pick my tree from git.
> vhost-next branch.
> 

FWIW: Your current vhost-next branch + my qemu with the known bugs
seems to hold up well so far; the endianness swap does not seem to
cause a noticeable performance hit (the problems come from my qemu code
dropping feature bits...)

Take this with a grain of salt as current qemu virtio-1 has known
problems, but I don't think there are major reasons speaking against
inclusion. At least, I don't think there's anything in there we can't
easily fix up later.

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