Re: [PATCH v4 05/13] KVM: pfncache: allow a cache to be activated with a fixed (userspace) HVA

From: Paul Durrant
Date: Tue Sep 19 2023 - 10:22:56 EST


On 19/09/2023 15:20, David Woodhouse wrote:
On Tue, 2023-09-19 at 13:41 +0000, Paul Durrant wrote:
From: Paul Durrant <pdurrant@xxxxxxxxxx>

Some cached pages may actually be overlays on guest memory that have a
fixed HVA within the VMM. It's pointless to invalidate such cached
mappings if the overlay is moved so allow a cache to be activated directly
with the HVA to cater for such cases. A subsequent patch will make use
of this facility.

Signed-off-by: Paul Durrant <pdurrant@xxxxxxxxxx>

I think I gave you one of these in a previous round, but

Reviewed-by: David Woodhouse <dwmw@xxxxxxxxxxxx>


Yes. Apologies. You gave it on v2; I definitely have it now.

Paul