[dpdk-dev] [dpdk-stable] [PATCH] net/thunderx: fix deadlock in Rx path

Thomas Monjalon thomas at monjalon.net
Mon May 1 22:31:46 CEST 2017


01/05/2017 20:41, Jerin Jacob:
> RBDR buffers are refilled when SW consumes the buffers from CQ.
> This creates deadlock case when CQ buffers exhausted due to lack
> of RBDR buffers. Fix is to refill the RBDR when rx_free_thresh
> meet, irrespective of the number of CQ buffers consumed.
> 
> Fixes: e2d7fc9f0a24 ("net/thunderx: add single and multi-segment Rx")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>

Applied, thanks



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