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From: Auger Eric <eric.auger@redhat.com>
To: Stefan Berger <stefanb@linux.ibm.com>,
	Stefan Berger <stefanb@linux.vnet.ibm.com>,
	qemu-devel@nongnu.org, mst@redhat.com
Cc: marcandre.lureau@gmail.com
Subject: Re: [PATCH] acpi: tpm: Do not build TCPA table for TPM 2
Date: Sat, 30 May 2020 08:58:21 +0200	[thread overview]
Message-ID: <09068557-260d-a49f-6c2f-c818ec04f76f@redhat.com> (raw)
In-Reply-To: <5df0df78-817d-d80e-648b-c4f733972ff2@linux.ibm.com>

Hi Stefan

On 5/30/20 12:23 AM, Stefan Berger wrote:
> On 5/29/20 3:28 PM, Stefan Berger wrote:
>> From: Stefan Berger <stefanb@linux.ibm.com>
>>
>> Do not build a TCPA table for TPM 2 anymore but create the log area when
>> building the TPM2 table. The TCPA table is only needed for TPM 1.2.

Now I understand the purpose of the tcpalog arg in build_tpm2() ;-)

Reviewed-by: Eric Auger <eric.auger@redhat.com>

I will send shortly 2 series, the one related to ARM/ACPI support and a
new one introducing ACPI table tests based on this new patch as both
conflict with this patch.

Thanks

Eric

> 
> Specs are here:
> https://trustedcomputinggroup.org/wp-content/uploads/TCG_ACPIGeneralSpecification_v1.20_r8.pdf
> 
> 
> TCPA is a TPM 1.2 table and TPM2 tables is sufficient for TPM 2.0.
> 
> 
> 
> 



  reply	other threads:[~2020-05-30  6:59 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-29 19:28 [PATCH] acpi: tpm: Do not build TCPA table for TPM 2 Stefan Berger
2020-05-29 19:45 ` Marc-André Lureau
2020-05-29 22:23 ` Stefan Berger
2020-05-30  6:58   ` Auger Eric [this message]
2020-06-04 10:45 ` Igor Mammedov

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