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Fri, 2 Jan 2026 17:28:42 GMT Received: from smtpav05.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B92F658043; Fri, 2 Jan 2026 17:28:41 +0000 (GMT) Received: from smtpav05.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2405F58053; Fri, 2 Jan 2026 17:28:40 +0000 (GMT) Received: from li-43857255-d5e6-4659-90f1-fc5cee4750ad.ibm.com (unknown [9.61.43.105]) by smtpav05.wdc07v.mail.ibm.com (Postfix) with ESMTP; Fri, 2 Jan 2026 17:28:40 +0000 (GMT) Message-ID: <46cb57e43f107e52a41c2a041fe693728af7fbef.camel@linux.ibm.com> Subject: Re: [PATCH v2 2/6] powerpc/pseries: move the PLPKS config inside its own sysfs directory From: Mimi Zohar To: Srish Srinivasan , linux-integrity@vger.kernel.org, keyrings@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Cc: maddy@linux.ibm.com, mpe@ellerman.id.au, npiggin@gmail.com, christophe.leroy@csgroup.eu, James.Bottomley@HansenPartnership.com, jarkko@kernel.org, nayna@linux.ibm.com, rnsastry@linux.ibm.com, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org In-Reply-To: <20251217172505.112398-3-ssrish@linux.ibm.com> References: <20251217172505.112398-1-ssrish@linux.ibm.com> <20251217172505.112398-3-ssrish@linux.ibm.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Date: Fri, 02 Jan 2026 12:28:39 -0500 Precedence: bulk X-Mailing-List: keyrings@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Evolution 3.54.3 (3.54.3-2.fc41) X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=a9k9NESF c=1 sm=1 tr=0 ts=6958004c cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VnNF1IyMAAAA:8 a=24atm0IDbaraCodkIm4A:9 a=QEXdDO2ut3YA:10 X-Proofpoint-GUID: FEKPQfspruN-x73DWrXe6w-wdVa52VhF X-Proofpoint-ORIG-GUID: eATCzki2Sl085dgCOS5EL1fFHY622w99 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTAyMDE1NCBTYWx0ZWRfX7lO7hpAe1i7g hoCUSG/O17pSMTZGS2Grsj8wdg0xmNrzBIlXXj0v59nkcWJmkGCRrCtojWFAyRyyHjSPFa5Ey4d EQwpOWUHbsyL5BYMoBHmqzBoFy6q7kyDsSZheYns1V28m67ZV7OMI3IKfVnFEpCWXShlVkLT9sb 2AexrBSNVz1cb8xVdun86vPRRbhrzWhg+VNR+uaKWHuDbbUFUZoi3kiJETmA1WdHqmqAP/WKcaB 5iRqS08HyH6fqKdpC5hRb5n25vMiAntXV3XYUnedAzlo/41RYocFvkJ4YDEZRY+Zijj6RoqnXAP gWZm59VFF+qLHJ2toSwgO3T3Cv5HCGUvCNUrH3zjxWs4y/lCTiajfmrc41Xq4jg+5FM/isef2p0 Jl9UXUWgzrlibxksu2kfFA6BkkS2myWNLnQPfN8LCUuDfNt2s8GDaoI9FeTHoOUIXs0UMAHhj/f qJzGDohZH4aJ+MDKcBw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-02_02,2025-12-31_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 bulkscore=0 impostorscore=0 clxscore=1015 adultscore=0 priorityscore=1501 phishscore=0 malwarescore=0 lowpriorityscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2512120000 definitions=main-2601020154 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 versio= n. > These attributes describe the PLPKS, and not the secure boot variables > (secvars). >=20 > Create /sys/firmware/plpks directory and move the PLPKS config inside thi= s > directory. For backwards compatibility, create a soft link from the secva= r > 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. >=20 > Signed-off-by: Srish Srinivasan LGTM. Reviewed-by: Mimi Zohar