linux-kernel - Re: [PATCH v2 2/6] powerpc/pseries: move the PLPKS config inside its own sysfs directory

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Message-ID: <46cb57e43f107e52a41c2a041fe693728af7fbef.camel@linux.ibm.com>
Date: Fri, 02 Jan 2026 12:28:39 -0500
From: Mimi Zohar <zohar@...ux.ibm.com>
To: Srish Srinivasan <ssrish@...ux.ibm.com>, linux-integrity@...r.kernel.org,
        keyrings@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Cc: maddy@...ux.ibm.com, mpe@...erman.id.au, npiggin@...il.com,
        christophe.leroy@...roup.eu, James.Bottomley@...senPartnership.com,
        jarkko@...nel.org, nayna@...ux.ibm.com, rnsastry@...ux.ibm.com,
        linux-kernel@...r.kernel.org, linux-security-module@...r.kernel.org
Subject: Re: [PATCH v2 2/6] powerpc/pseries: move the PLPKS config inside
 its own sysfs directory

On Wed, 2025-12-17 at 22:55 +0530, Srish Srinivasan wrote:
> The /sys/firmware/secvar/config directory represents Power LPAR Platform
> KeyStore (PLPKS) configuration properties such as max_object_size, signed_
> update_algorithms, supported_policies, total_size, used_space, and version.
> These attributes describe the PLPKS, and not the secure boot variables
> (secvars).
> 
> Create /sys/firmware/plpks directory and move the PLPKS config inside this
> directory. For backwards compatibility, create a soft link from the secvar
> sysfs directory to this config and emit a warning stating that the older
> sysfs path has been deprecated. Separate out the plpks specific
> documentation from secvar.
> 
> Signed-off-by: Srish Srinivasan <ssrish@...ux.ibm.com>

LGTM.

Reviewed-by: Mimi Zohar <zohar@...ux.ibm.com>