Messages in this thread | | | Date | Thu, 30 May 2019 11:07:30 -0700 (PDT) | Subject | Re: [PATCH net-next 0/6] vhost: accelerate metadata access | From | David Miller <> |
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From: Jason Wang <jasowang@redhat.com> Date: Fri, 24 May 2019 04:12:12 -0400
> 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.
I'm still waiting for some review from mst.
If I don't see any review soon I will just wipe these changes from patchwork as it serves no purpose to just let them rot there.
Thank you.
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