NEWS: Mention support for mapped-ram

Add a 'New features' entry for mapped-ram itself, and another
for the parallel save/restore feature built on top.

Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>

diff --git a/NEWS.rst b/NEWS.rst
index 6ab34aa756a9ff11651fbcdaf2ac363ac5d58341..6ce3f2142ad9ec849d74260bdaa3f2acd00d9559 100644 (file)
--- a/NEWS.rst
+++ b/NEWS.rst
@@ -52,6 +52,21 @@ v11.2.0 (unreleased)
     /etc/libvirt/qemu.conf configuration file. The libvirt-guests script must
     be disabled before doing this.
 
+  * qemu: Add 'sparse' as a new save image format
+
+    QEMU's ``file`` migration has been supplemented with the new stream format
+    ``mapped-ram``, where RAM pages are mapped directly to offsets in the
+    migration file. ``mapped-ram`` is now supported by augmenting the existing
+    save image formats with the ``sparse`` format.
+
+  * qemu: Add support for parallel save/restore
+
+    The ``sparse`` image format can support reading and writing by multiple
+    channels. ``virDomainSaveParams`` and ``virDomainRestoreParams`` now
+    support specifying the number of IO channels used for parallel save and
+    restore. Using multiple channels can reduce the time required to save
+    and restore domains.
+
 * **Improvements**
 
 * **Bug fixes**