From nobody Wed Dec 17 15:34:20 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C1E5EC61D97 for ; Fri, 24 Nov 2023 12:16:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345124AbjKXMQR (ORCPT ); Fri, 24 Nov 2023 07:16:17 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56288 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230159AbjKXMQP (ORCPT ); Fri, 24 Nov 2023 07:16:15 -0500 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2894510D7 for ; Fri, 24 Nov 2023 04:16:21 -0800 (PST) Received: from kwepemm000007.china.huawei.com (unknown [172.30.72.55]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4ScDTh4hNPzvR8w; Fri, 24 Nov 2023 20:15:52 +0800 (CST) Received: from DESKTOP-8RFUVS3.china.huawei.com (10.174.185.179) by kwepemm000007.china.huawei.com (7.193.23.189) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Fri, 24 Nov 2023 20:16:18 +0800 From: Zenghui Yu To: CC: , , , Zenghui Yu Subject: [PATCH] cpu/hotplug: Remove the obsolete CPU hotplug states Date: Fri, 24 Nov 2023 20:16:15 +0800 Message-ID: <20231124121615.1604-1-yuzenghui@huawei.com> X-Mailer: git-send-email 2.23.0.windows.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.174.185.179] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To kwepemm000007.china.huawei.com (7.193.23.189) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" There is a bunch of obsolete constants in the cpuhp_state enum that are no longer used anywhere in the kernel. The oldest one has been unused for over six years. Drop all of them to reduce the size of the cpuhp_hp_states array. obsolete hotpulg states introduced in unused since =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D = =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D CPUHP_X86_APB_DEAD 148b9e2abea6 1b79fc4f2bfd CPUHP_MM_DEMOTION_DEAD a6a0251c6fce 734c15700cdf CPUHP_LUSTRE_CFS_DEAD 7b737965b331 be65f9ed267f CPUHP_NET_FLOW_PREPARE a4fc1bfc4206 09c7570480f7 CPUHP_AP_IRQ_RISCV_STARTING 6b7ce8927b5a 832f15f42646 CPUHP_AP_MICROCODE_LOADER 78f4e932f776 5af05b8d51a8 CPUHP_AP_PERF_X86_CQM_STARTING f07048270423 c39a0e2c8850 CPUHP_AP_MIPS_OP_LOONGSON3_STARTING 65264e3bc3d4 e258958945c6 CPUHP_AP_MARCO_TIMER_STARTING eb0a9d8c672d 446262b27285 CPUHP_AP_PERF_X86_CQM_ONLINE f07048270423 c39a0e2c8850 CPUHP_AP_PERF_X86_IDXD_ONLINE 81dd4d4d6178 never used CPUHP_AP_MM_DEMOTION_ONLINE a6a0251c6fce 734c15700cdf Signed-off-by: Zenghui Yu --- include/linux/cpuhotplug.h | 14 -------------- 1 file changed, 14 deletions(-) diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index efc0c0b07efb..af6c21aab985 100644 --- a/include/linux/cpuhotplug.h +++ b/include/linux/cpuhotplug.h @@ -66,15 +66,12 @@ enum cpuhp_state { CPUHP_PERF_POWER, CPUHP_PERF_SUPERH, CPUHP_X86_HPET_DEAD, - CPUHP_X86_APB_DEAD, CPUHP_X86_MCE_DEAD, CPUHP_VIRT_NET_DEAD, CPUHP_IBMVNIC_DEAD, CPUHP_SLUB_DEAD, CPUHP_DEBUG_OBJ_DEAD, CPUHP_MM_WRITEBACK_DEAD, - /* Must be after CPUHP_MM_VMSTAT_DEAD */ - CPUHP_MM_DEMOTION_DEAD, CPUHP_MM_VMSTAT_DEAD, CPUHP_SOFTIRQ_DEAD, CPUHP_NET_MVNETA_DEAD, @@ -96,7 +93,6 @@ enum cpuhp_state { CPUHP_NET_DEV_DEAD, CPUHP_PCI_XGENE_DEAD, CPUHP_IOMMU_IOVA_DEAD, - CPUHP_LUSTRE_CFS_DEAD, CPUHP_AP_ARM_CACHE_B15_RAC_DEAD, CPUHP_PADATA_DEAD, CPUHP_AP_DTPM_CPU_DEAD, @@ -118,7 +114,6 @@ enum cpuhp_state { CPUHP_XEN_EVTCHN_PREPARE, CPUHP_ARM_SHMOBILE_SCU_PREPARE, CPUHP_SH_SH3X_PREPARE, - CPUHP_NET_FLOW_PREPARE, CPUHP_TOPOLOGY_PREPARE, CPUHP_NET_IUCV_PREPARE, CPUHP_ARM_BL_PREPARE, @@ -151,18 +146,14 @@ enum cpuhp_state { CPUHP_AP_IRQ_ARMADA_XP_STARTING, CPUHP_AP_IRQ_BCM2836_STARTING, CPUHP_AP_IRQ_MIPS_GIC_STARTING, - CPUHP_AP_IRQ_RISCV_STARTING, CPUHP_AP_IRQ_LOONGARCH_STARTING, CPUHP_AP_IRQ_SIFIVE_PLIC_STARTING, CPUHP_AP_ARM_MVEBU_COHERENCY, - CPUHP_AP_MICROCODE_LOADER, CPUHP_AP_PERF_X86_AMD_UNCORE_STARTING, CPUHP_AP_PERF_X86_STARTING, CPUHP_AP_PERF_X86_AMD_IBS_STARTING, - CPUHP_AP_PERF_X86_CQM_STARTING, CPUHP_AP_PERF_X86_CSTATE_STARTING, CPUHP_AP_PERF_XTENSA_STARTING, - CPUHP_AP_MIPS_OP_LOONGSON3_STARTING, CPUHP_AP_ARM_VFP_STARTING, CPUHP_AP_ARM64_DEBUG_MONITORS_STARTING, CPUHP_AP_PERF_ARM_HW_BREAKPOINT_STARTING, @@ -179,7 +170,6 @@ enum cpuhp_state { CPUHP_AP_QCOM_TIMER_STARTING, CPUHP_AP_TEGRA_TIMER_STARTING, CPUHP_AP_ARMADA_TIMER_STARTING, - CPUHP_AP_MARCO_TIMER_STARTING, CPUHP_AP_MIPS_GIC_TIMER_STARTING, CPUHP_AP_ARC_TIMER_STARTING, CPUHP_AP_RISCV_TIMER_STARTING, @@ -217,9 +207,7 @@ enum cpuhp_state { CPUHP_AP_PERF_X86_AMD_UNCORE_ONLINE, CPUHP_AP_PERF_X86_AMD_POWER_ONLINE, CPUHP_AP_PERF_X86_RAPL_ONLINE, - CPUHP_AP_PERF_X86_CQM_ONLINE, CPUHP_AP_PERF_X86_CSTATE_ONLINE, - CPUHP_AP_PERF_X86_IDXD_ONLINE, CPUHP_AP_PERF_S390_CF_ONLINE, CPUHP_AP_PERF_S390_SF_ONLINE, CPUHP_AP_PERF_ARM_CCI_ONLINE, @@ -252,8 +240,6 @@ enum cpuhp_state { CPUHP_AP_BASE_CACHEINFO_ONLINE, CPUHP_AP_ONLINE_DYN, CPUHP_AP_ONLINE_DYN_END =3D CPUHP_AP_ONLINE_DYN + 30, - /* Must be after CPUHP_AP_ONLINE_DYN for node_states[N_CPU] update */ - CPUHP_AP_MM_DEMOTION_ONLINE, CPUHP_AP_X86_HPET_ONLINE, CPUHP_AP_X86_KVM_CLK_ONLINE, CPUHP_AP_ACTIVE, --=20 2.33.0