Re: [PATCH] iommu/amd: flush not present cache in iommu_map_page

[Joerg Roedel]

On Wed, Apr 24, 2019 at 07:58:19AM -0700, Christoph Hellwig wrote:
> I'd be tempted to do that.  But lets just ask Joerg if he has
> any opinion..

The reason was that it is an unlikely path, as hardware implementations
are not allowed to set this bit. It is purely for emulated AMD IOMMUs.
I have not measured whether this annotation has any performance
benefit, but I find it more readable at least.

Regards,

	Joerg

PS: Why did you drop me from the Cc list of the previous replies?