[PATCH v2 07/14] news: qemu: Set noqueue qdisc for TAP devices

Han Han hhan at redhat.com
Thu Apr 22 03:47:36 UTC 2021


Signed-off-by: Han Han <hhan at redhat.com>
---
 NEWS.rst | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/NEWS.rst b/NEWS.rst
index 884b541f7a..4026b92b0c 100644
--- a/NEWS.rst
+++ b/NEWS.rst
@@ -449,6 +449,12 @@ v6.9.0 (2020-11-02)
 
     Set ``max_len=0`` in ``virtlogd.conf`` to disable log rollover.
 
+  * qemu: Set noqueue qdisc for TAP devices
+
+    Set noqueue instead of the former pfifo_fast queue to TAP devices. It will
+    avoid needless cost of host CPU cycles and improve the performance of the
+    TAP devices.
+
 * **Bug fixes**
 
   * hyperv: ensure WQL queries work in all locales
-- 
2.31.1




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