[dpdk-dev] [PATCH] vhost: add back support for concurrent enqueue

Thomas Monjalon thomas.monjalon at 6wind.com
Thu Mar 9 14:46:27 CET 2017


2016-08-23 15:42, Rich Lane:
> On Mon, Aug 22, 2016 at 7:16 AM, Yuanhan Liu <yuanhan.liu at linux.intel.com>
> wrote:
> > On Thu, Aug 18, 2016 at 11:27:06AM -0700, Rich Lane wrote:
> > > I could also add back concurrent enqueue support for mergeable RX, but I
> > > was hoping to avoid that since the mergeable codepath is already complex
> > > and wouldn't be used in high performance deployments.
> >
> > Another note is that, you might also have noticed, Zhihong made a patch
> > set [0] to optimize the enqueue code path (mainly on mergeable path). It
> > basically does a rewrite from scatch, which removes the desc buf
> > reservation,
> > meaning it would be harder to do concurrent enqueue support based on that.
> >
> > [0]: Aug 19 Zhihong Wang    (  68) ├─>[PATCH v3 0/5] vhost: optimize
> > enqueue
> 
> Yes, I'd noticed that these patches would conflict. Once the vhost-cuse
> removal and
> Zhihong's patches have merged I'll send a new version.

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