Re: [RFC PATCH, x86]: Disable CPA cache flush for selfsnoop targets

Andi Kleen
2019-07-15T19:38:39Z

>
> That does not answer the question whether it's worthwhile to do that.

It's likely worthwhile for (Intel integrated) graphics.

There was also a recent issue with 3dxp/dax, which uses ioremap in some
cases.

-Andi