[dpdk-dev] [PATCH] vhost: don't stall if guest is slow

Yuanhan Liu yuanhan.liu at linux.intel.com
Tue Dec 8 03:23:11 CET 2015


On Mon, Dec 07, 2015 at 04:50:21PM -0800, Stephen Hemminger wrote:
> When guest is booting (or any othertime guest is busy) it is possible
> for the small receive ring (256) to get full. If this happens the
> vhost library should just return normally. It's current behavior
> of logging just creates massive log spew/overflow which could even
> act as a DoS attack against host.
> 
> Reported-by: Nathan Law <nlaw at brocade.com>
> Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>

Acked-by: Yuanhan Liu <yuanhan.liu at linux.intel.com>

Thanks.

	--yliu


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