Re: [PATCH v4 10/14] platform/x86: dell-smbios-smm: test for WSMT

From: Darren Hart
Date: Wed Oct 04 2017 - 21:59:52 EST

On Wed, Oct 04, 2017 at 05:48:36PM -0500, Mario Limonciello wrote:
> WSMT is as an attestation to the OS that the platform won't
> modify memory outside of pre-defined areas.
> If a platform has WSMT enabled in BIOS setup, SMM calls through
> dcdbas will fail. The only way to access platform data in these
> instances is through the WMI SMBIOS calling interface.

Nit: This should probably come after 11/14 where the WMI SMBIOS calling
interface is introduced.

Darren Hart
VMware Open Source Technology Center