Re: [PATCH v2 1/2] s390x/pci: add support for guests that request direct mapping

[Matthew Rosato]

>> Good point.  Using s390_get_memory_limit() sounds good to me; That will make 
>> v3 of this series dependent on the s390x virtio-mem series but sounds like 
>> you're sending that sometime this week anyway.
> 
> If my testing is good and there are no further comments, I'll queue it 
> directly (no change to v2) to send it upstream.
> 
> So it's probably a good idea to wait with a new series her.
> 

OK

> 
> We discussed at some point maybe requiring disabling uncoordinated discarding 
> of RAM (virtio-balloon), is that already done implicitly now?
> 

Yes, this should be handled via the call to 
ram_block_uncoordinated_discard_disable() in vfio_ram_block_discard_disable() - 
I just traced that now to double-check.