From b39464ba26424053ec5fd953c89087eb66d56d73 Mon Sep 17 00:00:00 2001 From: Michal Privoznik Date: Tue, 29 Aug 2017 17:01:16 +0200 Subject: [PATCH] docs: Document yet another limitation of tx_queue_size https://bugzilla.redhat.com/show_bug.cgi?id=1484234 Turns out, only vhostuser type of interfaces are supported currently. Signed-off-by: Michal Privoznik --- docs/formatdomain.html.in | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in index 19e869f12f5..8ca7637a422 100644 --- a/docs/formatdomain.html.in +++ b/docs/formatdomain.html.in @@ -5213,7 +5213,10 @@ qemu-kvm -net nic,model=? /dev/null The default value is hypervisor dependent and may change across its releases. Moreover, some hypervisors may pose some restrictions on actual value. For instance, QEMU - v2.9 requires value to be a power of two from [256, 1024] range. + v2.9 requires value to be a power of two from [256, 1024] + range. In addition to that, this may work only for a subset of + interface types, e.g. aforementioned QEMU enables this option + only for vhostuser type. Since 3.7.0 (QEMU and KVM only)

In general you should leave this option alone, unless you