From: Michael S. Tsirkin <mst@redhat.com>
Date: Thu, 1 Nov 2012 09:16:37 +0000 (+0000)
Subject: vhost-net: cleanup macros for DMA status tracking
X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~45^2~476
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=70e4cb9aafb3caa9e5eb25614a5bc40b0ffa9ffd;p=pandora-kernel.git

vhost-net: cleanup macros for DMA status tracking

Better document macros for DMA tracking. Add an
explicit one for DMA in progress instead of
relying on user supplying len != 1.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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