KVM: s390/mm: handle guest unpin events

The current code tries to first pin shared pages, if that fails (e.g.
because the page is not shared) it will export them. For shared pages
this means that we get a new intercept telling us that the guest is
unsharing that page. We will unpin the page at that point in time,
following the same rules as for making a page secure (i.e. waiting for
writeback, no elevated page references, etc.)

Signed-off-by: Claudio Imbrenda <[email protected]>

Acked-by: David Hildenbrand <[email protected]>
Reviewed-by: Cornelia Huck <[email protected]>
[[email protected]: patch merging, splitting, fixing]
Signed-off-by: Christian Borntraeger <[email protected]>

0 files changed, 0 insertions, 0 deletions