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

From: Jason Wang
Date: Sun Sep 08 2019 - 22:30:56 EST



On 2019/9/9 äå10:18, 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