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RE: [for-4.17 PATCH] acpi: Add TPM2 interface definition and make the TPM version configurable.
- To: Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>, Jennifer Herbert <jennifer.herbert@xxxxxxxxxx>, "jbeulich@xxxxxxxx" <jbeulich@xxxxxxxx>, "wl@xxxxxxx" <wl@xxxxxxx>, Roger Pau Monne <roger.pau@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>
- From: Henry Wang <Henry.Wang@xxxxxxx>
- Date: Tue, 6 Sep 2022 14:30:27 +0000
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- Delivery-date: Tue, 06 Sep 2022 14:30:50 +0000
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- Thread-topic: [for-4.17 PATCH] acpi: Add TPM2 interface definition and make the TPM version configurable.
Hi Andrew,
(+ Anthony as I believe he is the toolstack maintainer)
> -----Original Message-----
> From: Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>
> Subject: Re: [for-4.17 PATCH] acpi: Add TPM2 interface definition and make
> the TPM version configurable.
>
> On 30/08/2022 21:27, Jennifer Herbert wrote:
> > This patch introduces an optional TPM 2 interface definition to the ACPI
> table,
> > which is to be used as part of a vTPM 2 implementation.
> > To enable the new interface - I have made the TPM interface version
> > configurable in the acpi_config, with the default being the existing
> 1.2.(TCPA)
> > I have also added to hvmloader an option to utilise this new config, which
> can
> > be triggered by setting the platform/tpm_verion xenstore key.
> >
> > Signed-off-by: Jennifer Herbert <jennifer.herbert@xxxxxxxxxx>
>
> We're past the 4.17 feature submission deadline. CC'ing Henry.
>
> Henry: This is a fairly simple change and a critical building block for
> getting Windows 11 support on Xen. Given that feature freeze was
> slipped several weeks for other reasons, this should be considered for
> inclusion too.
We delayed the feature freeze to this Friday. So it actually depends on
if we can have enough bandwidth for maintainers to provide feedback
and if Jennifer can fix them in time.
Kind regards,
Henry
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