Re: [PATCH 2/2] vhost: re-introducing metadata acceleration through kernel virtual address

[Jason Wang <jasowang@xxxxxxxxxx>]

On 2019/9/9 上午10:18, Jason Wang wrote:
> > > On a elder CPU Sandy Bridge without SMAP support. TX PPS doesn't see
> > > any difference.
> > Why is not Kaby Lake with SMAP off the same as Sandy Bridge?
>
>
> I don't know, I guess it was because the atomic is l 


Sorry, I meant atomic costs less for Kaby Lake.

Thanks