On 20.02.20 11:39, Christian Borntraeger wrote: > From: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx> > > This provides the basic ultravisor calls and page table handling to cope > with secure guests: > - provide arch_make_page_accessible > - make pages accessible after unmapping of secure guests > - provide the ultravisor commands convert to/from secure > - provide the ultravisor commands pin/unpin shared > - provide callbacks to make pages secure (inacccessible) > - we check for the expected pin count to only make pages secure if the > host is not accessing them > - we fence hugetlbfs for secure pages > > Co-developed-by: Ulrich Weigand <Ulrich.Weigand@xxxxxxxxxx> > Signed-off-by: Ulrich Weigand <Ulrich.Weigand@xxxxxxxxxx> > Signed-off-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx> > [borntraeger@xxxxxxxxxx: patch merging, splitting, fixing] > Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> Acked-by: David Hildenbrand <david@xxxxxxxxxx> -- Thanks, David / dhildenb
