On Fri, Feb 18, 2022 at 09:06:35AM +0100, Jan Beulich wrote:
> On 17.02.2022 15:09, Roger Pau Monne wrote:
> > Prevent libxl from creating guests that attempts to use PoD together
> > with an IOMMU, even if no devices are actually assigned.
> > 
> > While the hypervisor could support using PoD together with an IOMMU as
> > long as no devices are assigned, such usage seems doubtful. There's no
> > guarantee the guest has PoD no longer be active, and thus a later
> > assignment of a PCI device to such domain could fail.
> > 
> > Preventing the usage of PoD together with an IOMMU at guest creation
> > avoids having to add checks for active PoD entries in the device
> > assignment paths.
> > 
> > Signed-off-by: Roger Pau Monné <roger....@citrix.com>
> > Reviewed-by: Anthony PERARD <anthony.per...@citrix.com>
> 
> I'm inclined to queue this for the stable trees. Thoughts?

Yes, I think that sound good.

Thanks,

-- 
Anthony PERARD

Reply via email to