On Sat, Jan 26, 2019 at 02:37:08PM -0800, David Miller wrote: > From: Jason Wang <jasowang@xxxxxxxxxx> > Date: Wed, 23 Jan 2019 17:55:52 +0800 > > > 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. > > > > Test shows about 24% improvement on TX PPS. It should benefit other > > cases as well. > > I've read over the discussion of patch #5 a few times. > > And it seems to me that, at a minimum, a few things still need to > be resolved: > > 1) More perf data added to commit message. > > 2) Whether invalidate_range_start() and invalidate_range_end() must > be paired. Add dirty tracking. > Etc. So I am marking this series "Changes Requested".
