On 02.05.23 15:10, Jason Gunthorpe wrote:
On Tue, May 02, 2023 at 03:04:27PM +0200, Christian Borntraeger wrote:
\> > We can reintroduce a flag to permit exceptions if this is really broken, are you
able to test? I don't have an s390 sat around :)
Matt (Rosato on cc) probably can. In the end, it would mean having
<memoryBacking>
<source type="file"/>
</memoryBacking>
This s390 code is the least of the problems, after this series VFIO
won't startup at all with this configuration.
Good question if the domain would fail to start. I recall that IOMMUs
for zPCI are special on s390x. [1]
Well, zPCI is special. I cannot immediately tell when we would trigger
long-term pinning.
[1] https://www.mail-archive.com/qemu-devel@xxxxxxxxxx/msg875728.html
--
Thanks,
David / dhildenb
