Re: [Qemu-devel] [RFC 00/15] s390: vfio-ccw dasd ipl support

[Cornelia Huck]

On Tue, 21 Aug 2018 15:31:55 -0400
"Jason J. Herne" <address@hidden> wrote:

> On 08/15/2018 07:48 AM, Cornelia Huck wrote:
> > On Thu,  5 Jul 2018 13:25:28 -0400
> > "Jason J. Herne" <address@hidden> wrote:
> >   
> >> This is to support booting from vfio-ccw dasd devices. We basically 
> >> implement
> >> the real hardware ipl procedure. This allows for booting Linux guests on
> >> vfio-ccw devices.
> >>
> >> vfio-ccw's channel program prefetch algorithm complicates ipl because most 
> >> ipl
> >> channel programs dynamically modify themselves. Details on the ipl process 
> >> and
> >> how we worked around this issue can be found in 
> >> docs/devel/s390-dasd-ipl.txt.  
> > 
> > Cleaning up my mail backlog... I think there were some comments; will
> > there be a new version forthcoming?
> >   
> 
> Yes there will. We're hitting a hang now and not sure if it is a device, 
> configuration or coding problem. Once I get that cleared up I'll be back 
> for round #2.
> 

Great, thanks for the info!