From 580f8e368278d738bb69fb1963d8a93c9dbaebff Mon Sep 17 00:00:00 2001 From: Yong Wang Date: Mon, 19 Dec 2016 07:14:38 -0500 Subject: [PATCH] doc: fix a typo in prog guide Signed-off-by: Yong Wang Acked-by: John McNamara --- doc/guides/prog_guide/vhost_lib.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/doc/guides/prog_guide/vhost_lib.rst b/doc/guides/prog_guide/vhost_lib.rst index 4f997d4777..f0862e6e14 100644 --- a/doc/guides/prog_guide/vhost_lib.rst +++ b/doc/guides/prog_guide/vhost_lib.rst @@ -95,7 +95,7 @@ The following is an overview of the Vhost API functions: * for VM2NIC case, the ``nb_tx_desc`` has to be small enough: <= 64 if virtio indirect feature is not enabled and <= 128 if it is enabled. - The is because when dequeue zero copy is enabled, guest Tx used vring will + This is because when dequeue zero copy is enabled, guest Tx used vring will be updated only when corresponding mbuf is freed. Thus, the nb_tx_desc has to be small enough so that the PMD driver will run out of available Tx descriptors and free mbufs timely. Otherwise, guest Tx vring would be -- 2.20.1