Received: by 2002:a05:6a10:5bc5:0:0:0:0 with SMTP id os5csp2193736pxb; Tue, 12 Oct 2021 01:06:41 -0700 (PDT) X-Google-Smtp-Source: ABdhPJweeEISzHsnbHBo2YZR1CGnqd364JYuBKgrFRaey8uewz3yy7YESQ7jIrnf4y2CwyI38hrQ X-Received: by 2002:a17:902:6f02:b0:13e:5dce:eb9e with SMTP id w2-20020a1709026f0200b0013e5dceeb9emr28988640plk.64.1634026001347; Tue, 12 Oct 2021 01:06:41 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1634026001; cv=pass; d=google.com; s=arc-20160816; b=sBTD81AHWIRumjQPItrW/phHCmaXtLLzP/G8BqkAxAAvjzM1Pr8kPJQ+olVIfzIStY CleqmKZK4SS2/5msLGnH0pk7FC70k+DRopsv/YlF71EHTwHDjzxIRh0xYpfvpV+iEESL PMgtJStCgGxdQU7bmKfIFCaFBEQDCCSKSF8PWTrur9TaepZt4d05qYorL7cGG5ccOugT rXBGjOhC6zE8bV9lnnts4nh5nnrXoWS27NAUH8TsA46j3oepH5A8zCMIqcypKYVEePnS nHFtNANimn57EpTd7CU9iQr54gHY0Iu9BQKqlpTpiWUx1IhoBmbbINd6Zt6VmWoPpcqT u3qQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:content-transfer-encoding :content-language:accept-language:in-reply-to:references:message-id :date:thread-index:thread-topic:subject:to:from:dkim-signature; bh=cTlmD9Kpgv/ABeTdXnkBkpuO2V3upfqHd4nX2a/g5E0=; b=EgkwVvJZUAG1+7SAFo6MSwGHOBwooOXzqADxp2Sw8eRVjS7dyVa+fUfMM9mJQjF/O0 5URArqFPls/RToJA6VPIkd0/iIFMRVKEoMsWRlgHc1w/FH03ydHU1O7IfdNEZF1FEVGd 5Qn5DjkB/HQWVW8WBcahMJMAK5tiwxwP+DmjpbLky9UyHAZ1Os98t9+eiB3WkhLum3aV bVbYB+M7pdClGINsIDPWMqajPtLDqf9HODyybr/6C2xfKIlkEsBpcqVZXiYvF9nO0F2t ytimbUe4SrMSibQN+y2CNZGPyeDU+9m3kykA9JXXFs9xos0YDhx7Pyth49eCKWzdqmEX oXdA== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@marvell.onmicrosoft.com header.s=selector1-marvell-onmicrosoft-com header.b=DUu1Ms2S; arc=pass (i=1 spf=pass spfdomain=marvell.com dkim=pass dkdomain=marvell.com dmarc=pass fromdomain=marvell.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=REJECT dis=NONE) header.from=marvell.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id k4si13229387plt.314.2021.10.12.01.06.28; Tue, 12 Oct 2021 01:06:41 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@marvell.onmicrosoft.com header.s=selector1-marvell-onmicrosoft-com header.b=DUu1Ms2S; arc=pass (i=1 spf=pass spfdomain=marvell.com dkim=pass dkdomain=marvell.com dmarc=pass fromdomain=marvell.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=REJECT dis=NONE) header.from=marvell.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235257AbhJLIGQ (ORCPT + 99 others); Tue, 12 Oct 2021 04:06:16 -0400 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]:43202 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234899AbhJLIE6 (ORCPT ); Tue, 12 Oct 2021 04:04:58 -0400 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 19C0gWXE031571; Tue, 12 Oct 2021 01:02:12 -0700 Received: from nam04-bn8-obe.outbound.protection.outlook.com (mail-bn8nam08lp2041.outbound.protection.outlook.com [104.47.74.41]) by mx0b-0016f401.pphosted.com with ESMTP id 3bmpv4ukf5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 12 Oct 2021 01:02:12 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=jgpVjKuYZWZGbe23+SsfqyMz00yerxAyt/VzKCpW/e8eAA2bk4u3Gw2NamThCpQPNb8XekOy6CunkLyVmIylq7eLxI5zFFe8rtYJmADHh4nCwbouowAQVo9Lf9HSdxlngJWG2FSRYArMi6YuJN45WuFRRFsOrImqPTTtbuR/5z9HPnJLrW6mC6dnW5oNqJmsWVEgkhfW103QjNcXWhCBFQUs/ALO/LQWwVwR9Ndv4vMneKIx2kqXN30heLGKb2EnMEb+mgstv7iGwPG8xuFYwhhyxXsxnqGOcOd6J4r9NeKYQpRBFlaNmf8npZ2cgyMaobDyW5Fujit9FSX52MfRzw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=cTlmD9Kpgv/ABeTdXnkBkpuO2V3upfqHd4nX2a/g5E0=; b=XvBNKrOpuoFL5ysZUMg0GCknIAxDpsisgnDd7NmUTwhfusfq0dZjdtZDO+Y04TBW5g44Ac7FkRIOwX2l8kn3yiRLl+nSqkZDbHE8AW35RAsV0pQUU1+M1yPltoWR6/AZnOy2A9SiK7se1F98xKEWAgVwh/UyyFeqzWkN+iCnfW2kkXRX5lOYbTjV7Zac8ANxZVXvlvigoSES5kqREZbnqVbutNcDFQGaKXLYptFycaKUxFhWQV4pud4NMg5jJv60clymHzmWp6RcMEDnwxM5GojKuFfuyHCYMMLlHuZ8Lh1s/ZQ82Ztp0b/MOcKUbHQ2BPnLcKHYPX5W30TqMgbdrg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=marvell.com; dmarc=pass action=none header.from=marvell.com; dkim=pass header.d=marvell.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.onmicrosoft.com; s=selector1-marvell-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=cTlmD9Kpgv/ABeTdXnkBkpuO2V3upfqHd4nX2a/g5E0=; b=DUu1Ms2S9wtGL/UTz2ZSRwCrBj47uggrnQUsTRriux+yKRW0cvW+pBKBd9GNE+n37JR2XyUTYqgCB0u7MdulSjB6fRwbVVgF2iMORpqH1ZdeF8b8H4QPb+tGDIm+XI1esS3+dt2YElssG5dh6BlRncmtUGN6tXwyP9ZAY9DNMmA= Received: from CO6PR18MB4465.namprd18.prod.outlook.com (2603:10b6:303:13b::10) by CO1PR18MB4731.namprd18.prod.outlook.com (2603:10b6:303:ea::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4587.19; Tue, 12 Oct 2021 08:02:10 +0000 Received: from CO6PR18MB4465.namprd18.prod.outlook.com ([fe80::9da7:4d20:98ff:e441]) by CO6PR18MB4465.namprd18.prod.outlook.com ([fe80::9da7:4d20:98ff:e441%6]) with mapi id 15.20.4587.026; Tue, 12 Oct 2021 08:02:10 +0000 From: Bharat Bhushan To: Bharat Bhushan , "will@kernel.org" , "mark.rutland@arm.com" , "robh+dt@kernel.org" , "linux-arm-kernel@lists.infradead.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Bhaskara Budiredla Subject: RE: [PATCH v4 4/4] perf/marvell: cn10k DDR perf event core ownership Thread-Topic: [PATCH v4 4/4] perf/marvell: cn10k DDR perf event core ownership Thread-Index: AQHXrd2Xcorcgtmsy0+X5+eU/Myu66vPIx5w Date: Tue, 12 Oct 2021 08:02:10 +0000 Message-ID: References: <20210920050823.10853-1-bbhushan2@marvell.com> <20210920050823.10853-5-bbhushan2@marvell.com> In-Reply-To: <20210920050823.10853-5-bbhushan2@marvell.com> Accept-Language: en-IN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: c2048006-3438-4ac9-9814-08d98d569823 x-ms-traffictypediagnostic: CO1PR18MB4731: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:4125; x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: R4Wvyp/pM04UeXynAwXK317FY6X1qvRLZIaJxQpS/dCYp+1poeN7fdCXKjGuZ8gQrm0SUXGMO76uD/1H+1PEN2rjOBi2CS/NzIlEL8nRMMEJVJNByh25Pv5m90OA2K6yoD/mvmSfGRsO5HwRr3aQjqMHDt9FGR1I5nEXGcpZigANVzk0P8yk8mMD2SfnvZTRyn7ziIqvvcuSCADhypZO2PVmlMuYIuJd/auVGlihx6jnbVaH5FooyIh2MErSQKm+544qXhVb9tbKtsT+Z9gefCb39N56olnbmw3Bmh6tppX4jNbtD8n0oYupHG1fZl/p2KXgFz05IrKC5SidXnq+yoEknSCT3sQGfR2H/AbOHxxoXc5M1eI9SzhrNBhC25fimm64WD6p7KMl1KrZEgA0/awQ+TTJAAzesH+VHoDZrxlUzedEtCKELdZritS9J8dHAIqn+X8VRrYOV9mITB3fduAMNVby6GhOmNTBYbiJW4TLJZVzsiHru+HGtDioh2spLxgNFjxN1U7YxYsnE/9UoC5tRlIZrpYa835+cNfm15+iZByf2tyED1/0BJtqbNEcabcoAjtuxSeYFN9jfgQeoLHusC4D8WBIEM3FL4nqGL6CDY6t54zfoQy8oC83xleQ9MVfgTHYL3aFf+gdAhIBLIswesW7qLZCEcuLk43uj+DCX9GX/CHeyUrD128AC5tsJHpnO0HP15Hq0QnV7HNbiw== x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:CO6PR18MB4465.namprd18.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(366004)(76116006)(66446008)(64756008)(66476007)(66556008)(38070700005)(66946007)(122000001)(71200400001)(86362001)(38100700002)(9686003)(55016002)(83380400001)(5660300002)(26005)(33656002)(6506007)(8936002)(186003)(53546011)(508600001)(7696005)(52536014)(2906002)(110136005)(6636002)(316002)(8676002);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?us-ascii?Q?urSg7xt7mT2sboFPJO9nLskhcowGKG/zCqxigLvWcvr8F108iTq65fQbAqwl?= =?us-ascii?Q?vDtTCgwzD9201GCHo9d2fYaWoNVBp9E9/eIdHV02iPuIYSP8baYCg/uHj968?= =?us-ascii?Q?AG4olE4ccqlUBi+MKOVP+u7vqLO2rwg4Q4fNGc1y0i4hVrdLX1d7LkUqXW6j?= =?us-ascii?Q?avGK4Nd2d3/HPFt5YOKkDuvnR58cwzCLyJ9BcAWIBvvuLzb1V0lLbZwbJkhi?= =?us-ascii?Q?JkLXgOrnCT/lEN4GrNvyKPuaGp+7AynjTEXd/OYi92rysTB2JKomYUUdqZzD?= =?us-ascii?Q?oMiqdkgmYB5EZBBcBOKXsLTcSI831nYiHwTwTfR9Cyx2zf36RMf/g1uKFq/Z?= =?us-ascii?Q?4iw8lHzVf2RUDALSxl4oLXyKLoNbs8vB+RVFOHT1HC+HlrTnM6RdWYEOuNIM?= =?us-ascii?Q?psddTTPLb008Aa1qjkaVqsBsEVP3qV6a6MFIpy1xiCJBKNeghzptW7K1yfuk?= =?us-ascii?Q?wDxYbqSC1h2y/nmCL/0COhSBR3rEGL4HI3vbcx/FiWfA9nfoWyK5LVz1Murl?= =?us-ascii?Q?lHYmcIueySB8TYC86McJIz7EF/QnGsCcwtSDvQ1pihoVvbNCH8kcK7S8lnFB?= =?us-ascii?Q?xymvrwQD9J0PaVPOFwlyt1qbzVnZpQhNmE1a3sN7Okm+Yj6eH376kdp6YS7x?= =?us-ascii?Q?B+RRjpUjAg1UeEd3jtsySaquH1YNkZBAwduF/aOYLp3PDVPkEG9ECOjgE6PD?= =?us-ascii?Q?lV3bGtuUeYaB0+Phyis0dHtqPO2bi1gMxkPKmXdGfdOpnhWaby65N84ZVBXi?= =?us-ascii?Q?x4K2iMY8lPAd/5ZcU2XpHTzpDpBlvUojExiecMwhUMms3C21PtEIDsEXhdac?= =?us-ascii?Q?0cd41eA4m4atW81XGRrmJjf4blXpj//rUKRSI3ocJ5VOfVZRARyW1eMqRX8f?= =?us-ascii?Q?YaiYg2GQD7JW0r2w++A+1eEXe/+DpzEugnO9vrfjGt4WiMZt4TPJLuCpQcPz?= =?us-ascii?Q?q2fCc8QUriP8yPlnuYQ/XnKhaj97kO10dfc7BqJUKydfiGy3w6Yrbr7YEFFf?= =?us-ascii?Q?2c0rZxCRvT91qunR4gYjW9r0L+5HSvfhcxRruueGDseS9qym/xPgIMNx0w7s?= =?us-ascii?Q?B2XgjVClc3R7Do2SYGg7XTadZheDUNp4qoVnSiXqffFr8giXAuaTCyDl9GrJ?= =?us-ascii?Q?BzoPaLj1ILChV/Oao6O99UWaO13yDfiGXYkUx9mBms9QHWpUx7UaTbXiOMsi?= =?us-ascii?Q?quXiqTiOskuMwPOAFZXlBSrN7CBqdPXP15+OamvpkRaCKmJacWNlbak7KNMF?= =?us-ascii?Q?haaxmvr09KW2ElAhTBlwHPRJhTjopnDQWsZ0Q4jWZeGARJsaNYsEnHtRuUBJ?= =?us-ascii?Q?GW559A7HNlKtIFEnTacZKzQo?= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: marvell.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: CO6PR18MB4465.namprd18.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: c2048006-3438-4ac9-9814-08d98d569823 X-MS-Exchange-CrossTenant-originalarrivaltime: 12 Oct 2021 08:02:10.6837 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 70e1fb47-1155-421d-87fc-2e58f638b6e0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: pKXYqSiS/QClRcxSVEAoW7QXenQkj+dKMHrqgsNsrkZGooRB1El4LPfK/+fi1KA+LGUDCV/BmHpMlBHw8YC9Nw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR18MB4731 X-Proofpoint-ORIG-GUID: kEfAwcmnp-VIEEctrAkb-jHzcQtfPv-d X-Proofpoint-GUID: kEfAwcmnp-VIEEctrAkb-jHzcQtfPv-d X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.0.607.475 definitions=2021-10-12_01,2021-10-11_01,2020-04-07_01 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Adding Bhaskara > -----Original Message----- > From: Bharat Bhushan > Sent: Monday, September 20, 2021 10:38 AM > To: will@kernel.org; mark.rutland@arm.com; robh+dt@kernel.org; linux-arm- > kernel@lists.infradead.org; devicetree@vger.kernel.org; linux- > kernel@vger.kernel.org > Cc: Bharat Bhushan > Subject: [PATCH v4 4/4] perf/marvell: cn10k DDR perf event core ownership >=20 > As DDR perf event counters are not per core, so they should be accessed o= nly by > one core at a time. Select new core when previously owning core is going = offline. >=20 > Signed-off-by: Bharat Bhushan > --- > v1->v2->v3->v4: > - No change >=20 > drivers/perf/marvell_cn10k_ddr_pmu.c | 50 ++++++++++++++++++++++++++-- > include/linux/cpuhotplug.h | 1 + > 2 files changed, 49 insertions(+), 2 deletions(-) >=20 > diff --git a/drivers/perf/marvell_cn10k_ddr_pmu.c > b/drivers/perf/marvell_cn10k_ddr_pmu.c > index 21fccb9090c5..bef0cee3a46a 100644 > --- a/drivers/perf/marvell_cn10k_ddr_pmu.c > +++ b/drivers/perf/marvell_cn10k_ddr_pmu.c > @@ -129,6 +129,7 @@ struct cn10k_ddr_pmu { > int active_events; > struct perf_event *events[DDRC_PERF_NUM_COUNTERS]; > struct hrtimer hrtimer; > + struct hlist_node node; > }; >=20 > #define to_cn10k_ddr_pmu(p) container_of(p, struct cn10k_ddr_pmu, pmu) > @@ -610,6 +611,24 @@ static enum hrtimer_restart > cn10k_ddr_pmu_timer_handler(struct hrtimer *hrtimer) > return HRTIMER_RESTART; > } >=20 > +static int cn10k_ddr_pmu_offline_cpu(unsigned int cpu, struct > +hlist_node *node) { > + struct cn10k_ddr_pmu *pmu =3D hlist_entry_safe(node, struct > cn10k_ddr_pmu, > + node); > + unsigned int target; > + > + if (cpu !=3D pmu->cpu) > + return 0; > + > + target =3D cpumask_any_but(cpu_online_mask, cpu); > + if (target >=3D nr_cpu_ids) > + return 0; > + > + perf_pmu_migrate_context(&pmu->pmu, cpu, target); > + pmu->cpu =3D target; > + return 0; > +} > + > static int cn10k_ddr_perf_probe(struct platform_device *pdev) { > struct cn10k_ddr_pmu *ddr_pmu; > @@ -661,18 +680,31 @@ static int cn10k_ddr_perf_probe(struct > platform_device *pdev) > hrtimer_init(&ddr_pmu->hrtimer, CLOCK_MONOTONIC, > HRTIMER_MODE_REL); > ddr_pmu->hrtimer.function =3D cn10k_ddr_pmu_timer_handler; >=20 > + cpuhp_state_add_instance_nocalls( > + > CPUHP_AP_PERF_ARM_MARVELL_CN10K_DDR_ONLINE, > + &ddr_pmu->node); > + > ret =3D perf_pmu_register(&ddr_pmu->pmu, name, -1); > if (ret) > - return ret; > + goto error; >=20 > pr_info("CN10K DDR PMU Driver for ddrc@%llx\n", res->start); > return 0; > +error: > + cpuhp_state_remove_instance_nocalls( > + > CPUHP_AP_PERF_ARM_MARVELL_CN10K_DDR_ONLINE, > + &ddr_pmu->node); > + return ret; > } >=20 > static int cn10k_ddr_perf_remove(struct platform_device *pdev) { > struct cn10k_ddr_pmu *ddr_pmu =3D platform_get_drvdata(pdev); >=20 > + cpuhp_state_remove_instance_nocalls( > + > CPUHP_AP_PERF_ARM_MARVELL_CN10K_DDR_ONLINE, > + &ddr_pmu->node); > + > perf_pmu_unregister(&ddr_pmu->pmu); > return 0; > } > @@ -695,12 +727,26 @@ static struct platform_driver cn10k_ddr_pmu_driver = =3D { >=20 > static int __init cn10k_ddr_pmu_init(void) { > - return platform_driver_register(&cn10k_ddr_pmu_driver); > + int ret; > + > + ret =3D cpuhp_setup_state_multi( > + > CPUHP_AP_PERF_ARM_MARVELL_CN10K_DDR_ONLINE, > + "perf/marvell/cn10k/ddr:online", NULL, > + cn10k_ddr_pmu_offline_cpu); > + if (ret) > + return ret; > + > + ret =3D platform_driver_register(&cn10k_ddr_pmu_driver); > + if (ret) > + cpuhp_remove_multi_state( > + > CPUHP_AP_PERF_ARM_MARVELL_CN10K_DDR_ONLINE); > + return ret; > } >=20 > static void __exit cn10k_ddr_pmu_exit(void) { > platform_driver_unregister(&cn10k_ddr_pmu_driver); > + > cpuhp_remove_multi_state(CPUHP_AP_PERF_ARM_MARVELL_CN10K_D > DR_ONLINE); > } >=20 > module_init(cn10k_ddr_pmu_init); > diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h inde= x > 832d8a74fa59..a4b521f12b58 100644 > --- a/include/linux/cpuhotplug.h > +++ b/include/linux/cpuhotplug.h > @@ -227,6 +227,7 @@ enum cpuhp_state { > CPUHP_AP_PERF_ARM_QCOM_L3_ONLINE, > CPUHP_AP_PERF_ARM_APM_XGENE_ONLINE, > CPUHP_AP_PERF_ARM_CAVIUM_TX2_UNCORE_ONLINE, > + CPUHP_AP_PERF_ARM_MARVELL_CN10K_DDR_ONLINE, > CPUHP_AP_PERF_POWERPC_NEST_IMC_ONLINE, > CPUHP_AP_PERF_POWERPC_CORE_IMC_ONLINE, > CPUHP_AP_PERF_POWERPC_THREAD_IMC_ONLINE, > -- > 2.17.1