Re: [PATCH v11 18/20] tpm: Add sysfs interface to allow setting and querying the default locality

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To: "Ross Philipson" <ross.philipson@xxxxxxxxxx>, <linux-kernel@xxxxxxxxxxxxxxx>, <x86@xxxxxxxxxx>, <linux-integrity@xxxxxxxxxxxxxxx>, <linux-doc@xxxxxxxxxxxxxxx>, <linux-crypto@xxxxxxxxxxxxxxx>, <kexec@xxxxxxxxxxxxxxxxxxx>, <linux-efi@xxxxxxxxxxxxxxx>, <iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH v11 18/20] tpm: Add sysfs interface to allow setting and querying the default locality
From: "Jarkko Sakkinen" <jarkko@xxxxxxxxxx>
Date: Fri, 01 Nov 2024 12:06:39 +0200
Cc: <dpsmith@xxxxxxxxxxxxxxxxxxxx>, <tglx@xxxxxxxxxxxxx>, <mingo@xxxxxxxxxx>, <bp@xxxxxxxxx>, <hpa@xxxxxxxxx>, <dave.hansen@xxxxxxxxxxxxxxx>, <ardb@xxxxxxxxxx>, <mjg59@xxxxxxxxxxxxx>, <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>, <peterhuewe@xxxxxx>, <jgg@xxxxxxxx>, <luto@xxxxxxxxxxxxxx>, <nivedita@xxxxxxxxxxxx>, <herbert@xxxxxxxxxxxxxxxxxxx>, <davem@xxxxxxxxxxxxx>, <corbet@xxxxxxx>, <ebiederm@xxxxxxxxxxxx>, <dwmw2@xxxxxxxxxxxxx>, <baolu.lu@xxxxxxxxxxxxxxx>, <kanth.ghatraju@xxxxxxxxxx>, <andrew.cooper3@xxxxxxxxxx>, <trenchboot-devel@xxxxxxxxxxxxxxxx>
In-reply-to: <20240913200517.3085794-19-ross.philipson@oracle.com>
References: <20240913200517.3085794-1-ross.philipson@oracle.com> <20240913200517.3085794-19-ross.philipson@oracle.com>

On Fri Sep 13, 2024 at 11:05 PM EEST, Ross Philipson wrote:
> Expose a sysfs interface to allow user mode to set and query the default
> locality set for the TPM chip.
>
> Signed-off-by: Ross Philipson <ross.philipson@xxxxxxxxxx>

Must be read-only. Should be decided per power cycle.

BR, Jarkko

Follow-Ups:
- Re: [PATCH v11 18/20] tpm: Add sysfs interface to allow setting and querying the default locality
  - From: Jarkko Sakkinen

References:
- [PATCH v11 00/20] x86: Trenchboot secure dynamic launch Linux kernel support
  - From: Ross Philipson
- [PATCH v11 18/20] tpm: Add sysfs interface to allow setting and querying the default locality
  - From: Ross Philipson

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