From: Bruno Martins <ehanoc@protonmail.com>
Date: Wed, 29 Apr 2026 12:09:22 +0000 (+0000)
Subject: NEWS: multi pci root bus complex support
X-Git-Tag: v12.3.0-rc2^0
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=2d4eac7ae3cf3e379c3f31b5ebeb52edd344178c;p=thirdparty%2Flibvirt.git

NEWS: multi pci root bus complex support

Signed-off-by: Bruno Martins <ehanoc@protonmail.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
---

diff --git a/NEWS.rst b/NEWS.rst
index 699077afd6..33417febe7 100644
--- a/NEWS.rst
+++ b/NEWS.rst
@@ -53,6 +53,13 @@ v12.3.0 (unreleased)
     domain) was being started and the model wasn't available (for instance, in
     case of SELinux it was disabled at boot).
 
+  * Allow for multiple PCI root buses, not just for a single one numbered '0'
+
+    `virPCIDeviceReset()` and `virPCIDeviceIsBehindSwitchLackingACS()` no
+    longer use a hardcoded check (e.g bus == 0 ) to determine if a device is
+    attached to a "root bus". This allows for better support on more complex
+    PCI topologies.
+
 * **Bug fixes**
 
   * virnetdevmacvlan: Wait for udev to settle after creating macvtap