From: Jason Wang <[email protected]> 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.
