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Sun, 28 Sep 2025 19:27:15 +0000 (GMT) From: Harsh Prateek Bora To: qemu-devel@nongnu.org Cc: Aditya Gupta , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Anushree Mathur Subject: [PULL 26/27] target/ppc: Deprecate Power8E and Power8NVL Date: Mon, 29 Sep 2025 00:56:28 +0530 Message-ID: <20250928192629.139822-27-harshpb@linux.ibm.com> X-Mailer: git-send-email 2.43.5 In-Reply-To: <20250928192629.139822-1-harshpb@linux.ibm.com> References: <20250928192629.139822-1-harshpb@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=Se/6t/Ru c=1 sm=1 tr=0 ts=68d98c19 cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=f7IdgyKtn90A:10 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=aow-egSQAAAA:8 a=KKAkSRfTAAAA:8 a=20KFwNOVAAAA:8 a=SYv8DMXN2cHv4ii3y3oA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=gFNbaldVC-z-bsjSTzMo:22 a=cvBusfyB2V15izCimMoJ:22 a=oH34dK2VZjykjzsv8OSz:22 a=pHzHmUro8NiASowvMSCR:22 a=n87TN5wuljxrRezIQYnT:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTI3MDAxMCBTYWx0ZWRfXxk5PLC2mvuHp 73nrW/dkGZrBSRlphFrsCk7rcl3K1/qBYgiDi7kAChobZet6Hx8/v1d6gTuBOTLJP98/CibKbFV ZNxqA6Sniu+swLo1z2kRSmqmjCmrldNdCtphqly4Psn1JgUHlVNiYt2MPBYfppISuYyguKu4KM9 0aNFOHuVwLrxcM/7kPahYutFvCQcE4Qb5xLcCb+BtbhtTFiM+WPrElFt9xwborHBsmywklj+BPV d7VTP4PJbc4mbx4Ba7PPhCU2LDyp7dg/NtmHyMi0ZVrX0UgYH8/v07lbXWi44C1fOnb96SOPA4v T4RN8a9M2TqULqh79Ud7PvYMyU2kq1Jy1uQBcssBVtKIg7MqQoQlJ858DfIuBAcFnAQzk6XC0HZ W04tghs/rl2hzmeI1IXMZldLR5cVjg== X-Proofpoint-GUID: ZIkabJefDlJR6OVLIppYOtkEMBy-gKQN X-Proofpoint-ORIG-GUID: ZIkabJefDlJR6OVLIppYOtkEMBy-gKQN X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-28_08,2025-09-26_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 malwarescore=0 suspectscore=0 bulkscore=0 lowpriorityscore=0 clxscore=1015 phishscore=0 priorityscore=1501 adultscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2509150000 definitions=main-2509270010 Received-SPF: pass client-ip=148.163.158.5; envelope-from=harshpb@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Aditya Gupta Power8E and Power8NVL variants are not of much use in QEMU now, and not being maintained either. Power8NVL CPU doesn't boot since skiboot v7.0, or following skiboot commit to be exact: commit c5424f683ee3 ("Remove support for POWER8 DD1") Deprecate the 8E and 8NVL variants. Suggested-by: Cédric Le Goater Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Cédric Le Goater Signed-off-by: Aditya Gupta Tested-by: Anushree Mathur Signed-off-by: Harsh Prateek Bora Link: https://lore.kernel.org/r/20250607110412.2342511-3-adityag@linux.ibm.com Message-ID: <20250607110412.2342511-3-adityag@linux.ibm.com> --- docs/about/deprecated.rst | 9 +++++++++ target/ppc/cpu-models.c | 8 ++++---- 2 files changed, 13 insertions(+), 4 deletions(-) diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index aa300bbd50..b8d60c1a90 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -253,6 +253,15 @@ embedded 405 for power management (OCC) and other internal tasks, it is theoretically possible to use QEMU to model them. Let's keep the CPU implementation for a while before removing all support. +Power8E and Power8NVL CPUs and corresponding Pnv chips (since 10.1) +''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' + +The Power8E and Power8NVL variants of Power8 are not really useful anymore +in qemu, and are old and unmaintained now. + +The CPUs as well as corresponding Power8NVL and Power8E PnvChips will also +be considered deprecated. + System emulator machines ------------------------ diff --git a/target/ppc/cpu-models.c b/target/ppc/cpu-models.c index 334b1d2ff3..89ae763c7f 100644 --- a/target/ppc/cpu-models.c +++ b/target/ppc/cpu-models.c @@ -739,12 +739,12 @@ "POWER7 v2.3") POWERPC_DEF("power7p_v2.1", CPU_POWERPC_POWER7P_v21, POWER7, "POWER7+ v2.1") - POWERPC_DEF("power8e_v2.1", CPU_POWERPC_POWER8E_v21, POWER8, - "POWER8E v2.1") + POWERPC_DEPRECATED_CPU("power8e_v2.1", CPU_POWERPC_POWER8E_v21, POWER8, + "POWER8E v2.1", "CPU is unmaintained.") POWERPC_DEF("power8_v2.0", CPU_POWERPC_POWER8_v20, POWER8, "POWER8 v2.0") - POWERPC_DEF("power8nvl_v1.0", CPU_POWERPC_POWER8NVL_v10, POWER8, - "POWER8NVL v1.0") + POWERPC_DEPRECATED_CPU("power8nvl_v1.0", CPU_POWERPC_POWER8NVL_v10, POWER8, + "POWER8NVL v1.0", "CPU is unmaintained.") POWERPC_DEF("power9_v2.0", CPU_POWERPC_POWER9_DD20, POWER9, "POWER9 v2.0") POWERPC_DEF("power9_v2.2", CPU_POWERPC_POWER9_DD22, POWER9, -- 2.43.5