On Fri, Apr 06, 2018 at 03:41:39PM -0700, Dan Williams wrote:
> Yes, but the trust interface definition is what is missing, especially
> when we consider memmap=ss!nn and qemu-kvm. For example do we turn off
> DAX and/or MAP_SYNC on all platforms that don't provide a positive "I
> have ADR" indication (ACPI 6.2 Section 5.2.25.9 NFIT Platform
> Capabilities Structure)?

Sounds like a default.

> Require opt-in when the user has trust in the
> hardware config that the kernel can't verify?

And that sounds like a good config nob ontop of that default.
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