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    SubjectRe: [PATCH v9 2/2] tpm: Add support for event log pointer found in TPM2 ACPI table
    On Mon, Jul 06, 2020 at 04:57:28PM -0700, Jerry Snitselaar wrote:
    >
    > Jarkko Sakkinen @ 2020-07-06 16:09 MST:
    >
    > > On Mon, Jul 06, 2020 at 02:19:53PM -0400, Stefan Berger wrote:
    > >> From: Stefan Berger <stefanb@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@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.
    > >
    > > /Jarkko
    >
    > The 1.2 bits should be functionally the same as before, right?

    Yes. You should be able to read event log with TPM 1.2 as before.

    /Jarkko

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