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Tue, 23 Jun 2026 14:21:10 +0000 (GMT) Received: from li-3c92a0cc-27cf-11b2-a85c-b804d9ca68fa.ibm.com (unknown [9.39.19.165]) by smtpav05.fra02v.mail.ibm.com (Postfix) with ESMTP; Tue, 23 Jun 2026 14:21:10 +0000 (GMT) From: Aditya Gupta To: , , Harsh Prateek Bora , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Shivang Upadhyay Cc: Sourabh Jain , Hari Bathini , Nicholas Piggin , Miles Glenn , Fabiano Rosas , Laurent Vivier , Paolo Bonzini , devel@lists.libvirt.org, Misbah Anjum N , Anushree Mathur , Pierrick Bouvier , kvm@vger.kernel.org, Gautam Menghani , Chinmay Rath Subject: [PATCH 7/8] ppc/pnv: Remove Power8E and Power8NVL CPUs Date: Tue, 23 Jun 2026 19:49:32 +0530 Message-ID: <20260623141933.577981-8-adityag@linux.ibm.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260623141933.577981-1-adityag@linux.ibm.com> References: <20260623141933.577981-1-adityag@linux.ibm.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Authority-Analysis: v=2.4 cv=I4VVgtgg c=1 sm=1 tr=0 ts=6a3a9664 cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=uAbxVGIbfxUO_5tXvNgY:22 a=EUspDBNiAAAA:8 a=VnNF1IyMAAAA:8 a=9o66lyqVio6zCVhO5FUA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjIzMDExNyBTYWx0ZWRfX3DdXbRN6e0DR 9OjkHDilz4qPVGcpkRhQLGwNwDpDMDSFt2mIUC3VOaNC8Xqzj71grN2ws/fxump77/eDHB8FlB3 o9Hr3xpUpx9I0UyIPRNBbBK3Piq8Hh6130ncL6qMtclzqUxHy8RKGLRN1T3ZGSP85DWvwEoYdz+ tHZdiByzykx5KVZfl4nfYdeaU8+ebBRxdMAzqfWmTUbEw+nq4yVZL6sCZlTPu01OH5/R7QtSOAC p71MaPMDOeamCUqBVZ61dpUS9Wnlm19oDwue2dCPIDyjA2374sFsScbdpBHBP83+/zz8Wx32rG2 vBTeOxyIdkvw78AVJDZzGezbYsbSi0wjomKQSI9AQLT38XJrumTjZJ66wNvpKYfKuhvU2WNnvAG 0l5wvRji022ONwM/FPvSgNE44XYu+NG+YJ1GU80HDBR6bSk+xffmjiBTG9G/to3sktY6oyE0zNY kfiYPBYMfPqT/hiMM5A== X-Proofpoint-GUID: hFOx6T0ZNEEx92IFXN5Z92Xa6yT5u6Hf X-Proofpoint-ORIG-GUID: -zUnO8SWr6Kmkh_GKb7MrKDsHLUvpT8M X-Proofpoint-Spam-Info: AW1haW4tMjYwNjIzMDExNyBTYWx0ZWRfX57CGyZRuf5eR 8vbIg9w/he0a0EwmErGsIXlEKLK4ZJak9kLqoD5I27iD6t9BEwhTcvdYfY7bgPLy83Hi4C/YELD R0ldph4/7a8ZUwvdCGbieB5hvX11x7A= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-23_03,2026-06-23_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 malwarescore=0 clxscore=1015 impostorscore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 priorityscore=1501 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606230117 Power8E and Power8NVL were deprecated since QEMU 10.1, with commit 264a604e7163 ("target/ppc: Deprecate Power8E and Power8NVL") Remove the corresponding 8E and 8NVL CPU cores from spapr/pseries Also, with no use of 8E and 8NVL, in powernv chips or spapr cores, remove the CPU definitions for the cores Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Aditya Gupta --- docs/about/deprecated.rst | 9 --------- docs/about/removed-features.rst | 8 ++++++++ docs/system/ppc/pseries.rst | 2 +- hw/ppc/spapr_cpu_core.c | 2 -- target/ppc/cpu-models.c | 6 ------ target/ppc/cpu-models.h | 4 ---- target/ppc/cpu_init.c | 6 ------ target/ppc/kvm.c | 4 +--- 8 files changed, 10 insertions(+), 31 deletions(-) diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 97750f5edc91..3930ef08ed4b 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -215,15 +215,6 @@ 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/docs/about/removed-features.rst b/docs/about/removed-features.rst index d1bea4d75bb4..f7a2aa326dec 100644 --- a/docs/about/removed-features.rst +++ b/docs/about/removed-features.rst @@ -1038,6 +1038,14 @@ initial RISC-V QEMU port. Its usage was always been unclear: users don't know what to expect from a CPU called 'any', and in fact the CPU does not do anything special that isn't already done by the default CPUs rv32/rv64. +Power8E and Power8NVL CPUs (removed in 11.1) +'''''''''''''''''''''''''''''''''''''''''''' + +The Power8E and Power8NVL variants of Power8 are not really useful anymore +in qemu, and are old and unmaintained. +Hence, the CPUs as well as corresponding Power8NVL and Power8E PnvChips have +been removed + System accelerators ------------------- diff --git a/docs/system/ppc/pseries.rst b/docs/system/ppc/pseries.rst index bbc51aa7fcdb..1477028bc5ea 100644 --- a/docs/system/ppc/pseries.rst +++ b/docs/system/ppc/pseries.rst @@ -16,7 +16,7 @@ Supported devices * Multi processor support for many Power processors generations: - POWER7, POWER7+ - - POWER8, POWER8NVL + - POWER8 - POWER9 - Power10 - Power11 diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c index 41e37103c043..9a9351991c95 100644 --- a/hw/ppc/spapr_cpu_core.c +++ b/hw/ppc/spapr_cpu_core.c @@ -408,8 +408,6 @@ static const TypeInfo spapr_cpu_core_type_infos[] = { DEFINE_SPAPR_CPU_CORE_TYPE("power7_v2.3"), DEFINE_SPAPR_CPU_CORE_TYPE("power7p_v2.1"), DEFINE_SPAPR_CPU_CORE_TYPE("power8_v2.0"), - DEFINE_SPAPR_CPU_CORE_TYPE("power8e_v2.1"), - DEFINE_SPAPR_CPU_CORE_TYPE("power8nvl_v1.0"), DEFINE_SPAPR_CPU_CORE_TYPE("power9_v2.0"), DEFINE_SPAPR_CPU_CORE_TYPE("power9_v2.2"), DEFINE_SPAPR_CPU_CORE_TYPE("power10_v2.0"), diff --git a/target/ppc/cpu-models.c b/target/ppc/cpu-models.c index 26b6debcfc96..aa13654e83e8 100644 --- a/target/ppc/cpu-models.c +++ b/target/ppc/cpu-models.c @@ -734,12 +734,8 @@ "POWER7 v2.3") POWERPC_DEF("power7p_v2.1", CPU_POWERPC_POWER7P_v21, POWER7, "POWER7+ 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_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, @@ -918,9 +914,7 @@ PowerPCCPUAlias ppc_cpu_aliases[] = { { "power7", "power7_v2.3" }, { "power7+", "power7p_v2.1" }, { "power7+_v2.1", "power7p_v2.1" }, - { "power8e", "power8e_v2.1" }, { "power8", "power8_v2.0" }, - { "power8nvl", "power8nvl_v1.0" }, { "power9", "power9_v2.2" }, { "power10", "power10_v2.0" }, { "power11", "power11_v2.0" }, diff --git a/target/ppc/cpu-models.h b/target/ppc/cpu-models.h index a439eb37ee41..ef019cdb1f3c 100644 --- a/target/ppc/cpu-models.h +++ b/target/ppc/cpu-models.h @@ -341,12 +341,8 @@ enum { CPU_POWERPC_POWER7_v23 = 0x003F0203, CPU_POWERPC_POWER7P_BASE = 0x004A0000, CPU_POWERPC_POWER7P_v21 = 0x004A0201, - CPU_POWERPC_POWER8E_BASE = 0x004B0000, - CPU_POWERPC_POWER8E_v21 = 0x004B0201, CPU_POWERPC_POWER8_BASE = 0x004D0000, CPU_POWERPC_POWER8_v20 = 0x004D0200, - CPU_POWERPC_POWER8NVL_BASE = 0x004C0000, - CPU_POWERPC_POWER8NVL_v10 = 0x004C0100, CPU_POWERPC_POWER9_BASE = 0x004E0000, CPU_POWERPC_POWER9_DD1 = 0x004E1100, CPU_POWERPC_POWER9_DD20 = 0x004E1200, diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c index a02187ce5afb..96daa7e2ab0b 100644 --- a/target/ppc/cpu_init.c +++ b/target/ppc/cpu_init.c @@ -6311,12 +6311,6 @@ static bool ppc_pvr_match_power8(PowerPCCPUClass *pcc, uint32_t pvr, bool best) if (base == CPU_POWERPC_POWER8_BASE) { return true; } - if (base == CPU_POWERPC_POWER8E_BASE) { - return true; - } - if (base == CPU_POWERPC_POWER8NVL_BASE) { - return true; - } } if (base != pcc_base) { return false; diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c index b94c2997a07f..78a1c4a8393e 100644 --- a/target/ppc/kvm.c +++ b/target/ppc/kvm.c @@ -2437,9 +2437,7 @@ static bool kvmppc_power8_host(void) #ifdef TARGET_PPC64 { uint32_t base_pvr = CPU_POWERPC_POWER_SERVER_MASK & mfpvr(); - ret = (base_pvr == CPU_POWERPC_POWER8E_BASE) || - (base_pvr == CPU_POWERPC_POWER8NVL_BASE) || - (base_pvr == CPU_POWERPC_POWER8_BASE); + ret = (base_pvr == CPU_POWERPC_POWER8_BASE); } #endif /* TARGET_PPC64 */ return ret; -- 2.54.0