Re: [PATCH V3 00/15] Packed virtqueue support for vhost

[Jason Wang]

On 2019/7/17 äå7:02, Michael S. Tsirkin wrote:
> On Wed, Jul 17, 2019 at 06:52:40AM -0400, Jason Wang wrote:
> > Hi all:
> >
> > This series implements packed virtqueues which were described
> > at [1]. In this version we try to address the performance regression
> > saw by V2. The root cause is packed virtqueue need more times of
> > userspace memory accesssing which turns out to be very
> > expensive. Thanks to the help of 7f466032dc9e ("vhost: access vq
> > metadata through kernel virtual address"), such overhead cold be
> > eliminated. So in this version, we can see about 2% improvement for
> > packed virtqueue on PPS.
> Great job, thanks!
> Pls allow a bit more review time than usual as this is a big patchset.
> Should be done by Tuesday.
> -next material anyway.


Sure, just to confirm, I think this should go for your vhost tree?.

Thanks