[PATCH Libvirt 4/4] NEWS: document support for dirty-limit live migration

[~hyman]

From: Hyman Huang <yong.huang at smartx.com>

Signed-off-by: Hyman Huang <yong.huang at smartx.com>
---
 NEWS.rst | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/NEWS.rst b/NEWS.rst
index fbdd9674a3..dd0dda923e 100644
--- a/NEWS.rst
+++ b/NEWS.rst
@@ -25,6 +25,14 @@ v9.9.0 (unreleased)
     guest features to see if the current libvirt supports both deleting
     and reverting external snapshots.
 
+  * QEMU: Support dirty-limit live migration
+
+    Introduce ``VIR_MIGRATE_DIRTY_LIMIT`` flag for live migration API,
+    which can enable the dirty-limit convergence algorithm during live
+    migration and reap more stable read performance for guest vCPUs.
+
+    Also, add the corresponding ``--dirty-limit`` option to ``virsh migrate``.
+
 * **Improvements**
 
 * **Bug fixes**
-- 
2.38.5