Re: [Qemu-devel] [PATCH] virtio: Implement userspace forwarding for host notifiers

[Michael S. Tsirkin]

On Thu, Nov 19, 2015 at 03:02:12PM +0300, Pavel Fedin wrote:
>  Hello!
> 
> > > I think if you have motivation, you could implement userspace forwarding 
> > > for ccw yourself,
> > since you know the thing and know how to
> > > do it. For MMIO it was indeed very simple.
> > 
> > I'll take a peek at your patch.
> 
>  This is actually a note for Michael. ccw support is one more reason for 
> handling forwarding on virtio device level, not on memory
> region level.
> 
> Kind regards,
> Pavel Fedin
> Expert Engineer
> Samsung Electronics Research center Russia
> 

I don't know what is the right solution for CCW but patching
pci and mmio like you did will not help CCW at all.

-- 
MST