On Tue, Jan 19, 2021 at 03:26:22PM +0100, Jan Beulich wrote: > On 19.01.2021 14:07, Roger Pau Monne wrote: > > This is a revert of f5cfa0985673 plus a rework of the comment that > > accompanies the setting of the flag so we don't forget why it needs to > > be unconditionally set: it's indicating whether the version of Xen has > > the original issue fixed and IOMMU entries are created for > > grant/foreign maps. > > > > If the flag is only exposed when the IOMMU is enabled the guest could > > resort to use bounce buffers when running backends as it would assume > > the underlying Xen version still has the bug present and thus > > grant/foreign maps cannot be used with devices. > > > > Signed-off-by: Roger Pau Monné <roger....@citrix.com> > > Acked-by: Jan Beulich <jbeul...@suse.com> > > This time for real, I suppose.
Won't believe it until it hits the repo ;). Thanks, Roger.