Re: [PATCH] PCI: Blacklist AMD Stoney GPU devices for ATS

['Joerg Roedel']

On Tue, Mar 28, 2017 at 08:37:01PM +0000, Deucher, Alexander wrote:
> The question is, could the problem stem from flushing an entity that
> didn't request it, or should that not matter?  I guess it shouldn't
> matter otherwise we'd see this on other platforms like Carrizo as
> well.

What do you mean by "didn't request it"? The IOMMU driver only sends
io/tlb invalidations to devices it enabled ATS on.



	Joerg