[PATCH v2 2/2] xen/include/public: deprecate GNTTABOP_transfer

[Juergen Gross <jgross@xxxxxxxx>]

Add a comment to include/public/grant_table.h that GNTTABOP_transfer
is deprecated, in order to discourage new use cases.

Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
---
v2:
- new patch
---
 xen/include/public/grant_table.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/xen/include/public/grant_table.h b/xen/include/public/grant_table.h
index 7934d7b718..7fbd1c6d10 100644
--- a/xen/include/public/grant_table.h
+++ b/xen/include/public/grant_table.h
@@ -417,6 +417,8 @@ DEFINE_XEN_GUEST_HANDLE(gnttab_dump_table_t);
  * GNTTABOP_transfer: Transfer <frame> to a foreign domain. The foreign domain
  * has previously registered its interest in the transfer via <domid, ref>.
  *
+ * This operation is deprecated! Please don't add new use cases!
+ *
  * Note that, even if the transfer fails, the specified page no longer belongs
  * to the calling domain *unless* the error is GNTST_bad_page.
  *
-- 
2.34.1