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Sun, 01 Nov 2026 06:47:32 -0800 (PST) Received: from nixos ([27.75.108.59]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-36a428af1dfsm29440899eec.7.2026.11.01.06.47.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 01 Nov 2026 06:47:32 -0800 (PST) From: Bui Nguyen Nhu Quynh To: linuxppc-dev@lists.ozlabs.org Cc: mpe@ellerman.id.au Subject: [QUESTION] Does PowerVM populate the rtas-sensors device-tree property? Date: Sun, 1 Nov 2026 21:47:00 +0700 Message-ID: <20261101144716.119289-1-kaylovefoss@gmail.com> X-Mailer: git-send-email 2.56.0 X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , Precedence: list X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_PASS, SPF_PASS,USER_AGENT_GIT autolearn=no autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Hi, I am trying to determine whether PowerVM firmware populates the rtas-sensors device-tree property on the /rtas node. The kernel's ppc_rtas_sensors_show() in arch/powerpc/kernel/rtas-proc.c reads it, but I have found no producer in QEMU, SLOF, or the kernel documentation. On any PowerVM system, the answer is one command: ls -l /proc/device-tree/rtas/rtas-sensors od -An -tx1 /proc/device-tree/rtas/rtas-sensors If the file exists, could you report the byte output? If it does not exist, that also answers the question. I have a QEMU patch and a local reproducer if useful, but the firmware-side answer is the only thing I cannot determine locally. Thanks.