Re: [RFC PATCH, x86]: Disable CPA cache flush for selfsnoop targets
From: Andi Kleen
Date: Mon Jul 15 2019 - 15:38:39 EST
>
> 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