From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Monjalon <thomas.monjalon@6wind.com>
Subject: Re: [PATCH] vhost: fix build error for old kernels
Date: Fri, 11 Mar 2016 16:29:02 +0100
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To: Yuanhan Liu <yuanhan.liu@linux.intel.com>
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2016-03-08 16:51, Yuanhan Liu:
> VIRTIO_NET_F_GUEST_ANNOUNCE is a new feature introduced since kernel
> v3.5. For older kernels (or more precisely, old distributions), we
> could simply define it manually, to fix the "macro not defined" error.
> 
> Fixes: d293dac8f30e ("vhost: claim support of guest announce")
> 
> Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>

Applied, thanks