[PATCH 4/4] docs: documentation for virtio packed option

Reviewed-by: Boris Fiuczynski <fiuczy(a)linux.ibm.com&gt; Signed-off-by: Bjoern Walk <bwalk(a)linux.ibm.com&gt; --- docs/formatdomain.html.in | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in index fb07d107..f8bfef7d 100644 --- a/docs/formatdomain.html.in +++ b/docs/formatdomain.html.in @@ -4321,6 +4321,14 @@ Possible values are <code>on</code> or <code>off</code>. <span class="since">Since 3.5.0</span> </p> + <p> + The attribute <code>packed</code> controls the usage of packed + virtqueues. Compared to regular split queues, packed queues consist of + only a single descriptor ring replacing available and used ring, index + and descriptor buffer. This can result in better cache utilization and + performance. Possible values are <code>on</code> or <code>off</code>. + <span class="since">Since 6.3.0 (QEMU and KVM only)</span> + </p> <h4><a id="elementsVirtioTransitional">Virtio transitional devices</a></h4> -- 2.24.1