From: Friedrich Oslage <friedrich@oslage.de>
Date: Wed, 22 Oct 2025 13:13:29 +0000 (+0200)
Subject: NEWS: Document Hyper-v never notify feature for spinlocks
X-Git-Tag: v11.9.0-rc1~27
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f3f8408975154b914ebba0fa299f9c89dfa0f5e5;p=thirdparty%2Flibvirt.git

NEWS: Document Hyper-v never notify feature for spinlocks

Signed-off-by: Friedrich Oslage <friedrich@oslage.de>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
---

diff --git a/NEWS.rst b/NEWS.rst
index f20d087c79..c7ef7e9eae 100644
--- a/NEWS.rst
+++ b/NEWS.rst
@@ -23,6 +23,15 @@ v11.9.0 (unreleased)
     enlightenments at domain startup into the live XML so that's obvious which
     enlightenments are enabled.
 
+  * Add support for Hyper-V ``spinlocks`` "never notify" mechanism
+
+    The ``retries`` attribute - which defines after how many failed
+    acquisition attempts to notify the hypervisor - can now hold the
+    special value of 4294967295 which means to never notify the
+    hypervisor.
+
+    If the ``retries`` attribute is omitted this value is used.
+
 * **Improvements**
 
   * qemu: Improvements to USB controller model selection