[PATCH v9 2/2] tpm: Add support for event log pointer found in TPM2 ACPI table

Jarkko Sakkinen jarkko.sakkinen at linux.intel.com
Mon Jul 6 23:12:57 UTC 2020


On Tue, Jul 07, 2020 at 02:09:18AM +0300, Jarkko Sakkinen wrote:
> On Mon, Jul 06, 2020 at 02:19:53PM -0400, Stefan Berger wrote:
> > From: Stefan Berger <stefanb at linux.ibm.com>
> > 
> > In case a TPM2 is attached, search for a TPM2 ACPI table when trying
> > to get the event log from ACPI. If one is found, use it to get the
> > start and length of the log area. This allows non-UEFI systems, such
> > as SeaBIOS, to pass an event log when using a TPM2.
> > 
> > Signed-off-by: Stefan Berger <stefanb at linux.ibm.com>
> 
> Do you think that QEMU with TPM 1.2 emulator turned on would be a viable
> way to test this?
> 
> I'm anyway more worried about breaking existing TPM 1.2 functionality
> and that requires only QEMU without extras.

BTW, you should cc your patches to all M- and R-entries in the
MAINTAINERS file. Please, resend this patch set version. You can add
acquired reviewed-by and tested-by tags (e.g. Jerry's) and use this tag
for the patch set: "RESEND,PATCH v9".

/Jarkko



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