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

[David Miller]

From: "Michael S. Tsirkin" <mst@xxxxxxxxxx>
Date: Thu, 30 May 2019 14:13:28 -0400

> On Thu, May 30, 2019 at 11:07:30AM -0700, David Miller wrote:
>> From: Jason Wang <jasowang@xxxxxxxxxx>
>> 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.
> 
> I thought we agreed I'm merging this through my tree, not net-next.
> So you can safely wipe it.

Aha, I didn't catch that, thanks!