Re: [PATCH net-next 0/6] vhost: accelerate metadata access

[Jason Wang]

On 2019/6/6 äå4:27, Michael S. Tsirkin wrote:
> On Fri, May 24, 2019 at 04:12:12AM -0400, Jason Wang wrote:
> > Hi:
> >
> > This series tries to access virtqueue metadata through kernel virtual
> > address instead of copy_user() friends since they had too much
> > overheads like checks, spec barriers or even hardware feature
> > toggling like SMAP. This is done through setup kernel address through
> > direct mapping and co-opreate VM management with MMU notifiers.
> >
> > Test shows about 23% improvement on TX PPS. TCP_STREAM doesn't see
> > obvious improvement.
> >
> > Thanks
> Thanks this is queued for next.
>
> Did you want to rebase and repost packed ring support on top?
> IIUC it's on par with split ring with these patches.

Yes, it's on the way.

Thanks