Re: [PATCH v6 12/14] platform/x86: dell-smbios-smm: test for WSMT

2017-10-10 Thread Pali Rohár
On Monday 09 October 2017 17:51:50 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 t

[PATCH v6 12/14] platform/x86: dell-smbios-smm: test for WSMT

2017-10-09 Thread Mario Limonciello
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. Signed-of