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Wysocki" , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Wang Qing Subject: [PATCH 0/2] Add complex scheduler level for arm64 Date: Thu, 21 Apr 2022 07:55:56 -0700 Message-Id: <1650552960-60165-1-git-send-email-wangqing@vivo.com> X-Mailer: git-send-email 2.7.4 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-ClientProxiedBy: TY2PR02CA0005.apcprd02.prod.outlook.com (2603:1096:404:56::17) To SL2PR06MB3082.apcprd06.prod.outlook.com (2603:1096:100:37::17) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 6e1283b7-6f8c-4fc4-3b1d-08da23a716ae X-MS-TrafficTypeDiagnostic: KL1PR0601MB4308:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: zRnN8rT9SfhFaJVQm0a1YEDTla1LJ6qzTZdh4Wa89fIhkpN2Bq2qntqWkYGTOoCycrWO9Axj7/EdGIJ4fdPvdyvrmaEpXM8KRWEep/FYMoa/u8fWsP+KBTizh+EjA6KZkZiUcZH+n+3L6YGz7IWmAPQ+6RhyoXuWxoTtlzb/nxfFLbteGptluc4GFQ0nXYoT8WPRMeZePsCpQ9+tllY2IwgG/XkWMClsPMFFQBp5ByWxj0mpM/II1Zy4HULxDD0gTqoitYwB88hirOm7QS62FNixTBnyiib3Zdh08Khz7DxpE5/rTMC3eNBsdFfOonsfam3m7W+taTV6zNLV6OV2+rtcIPpNkroKnFT+jMvKXj44lNsb2bgotXuJoOfCPYNvsRIkAKvgaiOunoYHPto1lQRL+9evVbcTzNv6LOku+xAUwOvwMv4MPXJuYYStgIxLShvbQVx28lMh5n3yL5EGXlRHsUSQfVRiYrHRPoUgjjr8creAxYihfcfE8bNTSaQcsz9udjw5tvVygZWtR3ILFNO2fgoiPaLf2PBNt6NM1JmQdCvBYeajPdwHd+/p2ATFgTaq5uAUkOIjhQPJ3qnTwhNkWlhz3N31LuSHn+cZlxRwmYkLw2VCvnUZO5vsYiEUC8dhoO2CsItKFA3kBhNhzKWeoq+UdrUwjUxtydq2ULspg7RoFrV14J/RW+j+oSeJ X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SL2PR06MB3082.apcprd06.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230001)(4636009)(366004)(6486002)(38100700002)(38350700002)(8936002)(508600001)(26005)(86362001)(316002)(110136005)(52116002)(107886003)(4326008)(186003)(66556008)(36756003)(4744005)(83380400001)(6506007)(66946007)(6512007)(2906002)(5660300002)(66476007)(2616005)(6666004)(8676002);DIR:OUT;SFP:1102; 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Sharing some logic between the cores can make a complex area efficient. This patch adds complex level for complexs by parsing cache topology form DT. It will directly benefit a lot of workload which loves more resources such as memory bandwidth, caches. Note this patch only handle the DT case. wangqing (2): arch_topology: support for describing cache topology from DT arm64: Add complex scheduler level for arm64 arch/arm64/Kconfig | 13 ++++++++++ arch/arm64/kernel/smp.c | 48 ++++++++++++++++++++++++++++++++++- drivers/base/arch_topology.c | 47 +++++++++++++++++++++++++++++++++- include/linux/arch_topology.h | 3 +++ 4 files changed, 109 insertions(+), 2 deletions(-) -- 2.7.4 From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C9DFBC4332F for ; Thu, 21 Apr 2022 14:57:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=+Yy7PezZiQgTRHbN2IvR5maI2I51tJZGut5teU9eBi8=; b=2he34UYUVpfGx0 IFZAY5J3z7Z60VdKuByKGEJTYQC8cMi9NxK8mWi9fDBzJYgVGgDsdMjXihvwwkhfja7e9U/imUtvG X7O2k8ygeuCFRhNNiimu4/L0ufMMRcti2iopwroIcxOjSyaVEyZBVoSnvnUZRBwwmGysoiLBIKJ6R UjbQTlsm1GvBc82Kt8su/XKZ1rRg8uEcsx0UdgVke8M0gdffFsDhEH2HnIepHmAAlUs7tOBYEoDAb acJudvwrV6QBjXP1oQ6PzA3aSbYR+OkTI6kC8bi8o34cBAn6wwPt/0iDjS7MAMGbtm2iITm/+bUkb yaBTEhW4yjbHS3JMIMOQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nhYEU-00DuN9-27; Thu, 21 Apr 2022 14:56:34 +0000 Received: from mail-psaapc01on20718.outbound.protection.outlook.com ([2a01:111:f400:feae::718] helo=APC01-PSA-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nhYEQ-00DuKB-I7 for linux-arm-kernel@lists.infradead.org; Thu, 21 Apr 2022 14:56:31 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=aaS4+tih4cftpzDJjV9L/JNkXyXdP0zVSwAe1wY2nH7mjw48/dPKYi1foWCUP/d16KFFDwDtwurGF7DjaAduZhvQ4bEjSDOuFtgma4MUx2S8wLuyXT5BdDfiWXnDijYQ5fTxtfiTGh2a7yDshOVZgxQdLa6ZrXbBSlYkh6Jpcz9VIyzP+wYzqde4rftbusKCb0OhRTiKCAnlkQaf8q0uST9xk1QB2PX6WPYf/oIuPRyWXpMg56js+hYUG0khkLiHHimn1P3cxnjrHYDwFOUFLmCZJj57mglI+d8rNCSBIrQ84zfkT9WWZKBL9F/+NAnf8ufeuw86iQs6fPlFXCUUyA== 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=PTver1OMwNic7oQarb1JmgW+JnkIHwOHJWhVtCcznDs=; b=agycT+gb7tLPK5HIK5wbjrS9vGKK2tpazrVGQDVn3twWqgUrUFfJo6WphnxZUlmoxoSHKtvW4i+98w/eQMxKvX92AdV870P0sS75wrSR/Np0CzllmuYzGtywdyJmHJwiTUqPCVIVI+2Kb7m3GeQyGUEqlMa2UbMHo64rMIaolpc4htDrC8XDk5RAaqOgsIOq4rpMpAYKhUus8FQkBoSjOUD3Jl7wW1E4caNkxjarM4wx1PjsfQq5DH/oxF1iTujWDMn2YlbJ7LXu2W7pNpypidKSdfVwUIwFwIex1lRW+1pYOHnz6Z2vXu6ihTT8FT5NUbnqW96CKWkFyUkyOExaHw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=vivo.com; dmarc=pass action=none header.from=vivo.com; dkim=pass header.d=vivo.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vivo0.onmicrosoft.com; s=selector2-vivo0-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=PTver1OMwNic7oQarb1JmgW+JnkIHwOHJWhVtCcznDs=; b=djCH9DLhVWxQPqL/d4NbCmZWTdO5rTdLXVKrUUlL9r8VmoosvNtxlHRDO4RwUY83GFqgmVj7m1l6/xGLiNyT7Lr/QXmigGQSUTVeoivGa0b2N5tXbPuEyMMb6IsU9Wz9mO7fABGumALlralqxlmZB96mcygMYFhi1OjIzxQVaL8= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=vivo.com; Received: from SL2PR06MB3082.apcprd06.prod.outlook.com (2603:1096:100:37::17) by KL1PR0601MB4308.apcprd06.prod.outlook.com (2603:1096:820:6c::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5186.14; Thu, 21 Apr 2022 14:56:17 +0000 Received: from SL2PR06MB3082.apcprd06.prod.outlook.com ([fe80::e468:c298:cfe5:84fc]) by SL2PR06MB3082.apcprd06.prod.outlook.com ([fe80::e468:c298:cfe5:84fc%6]) with mapi id 15.20.5186.014; Thu, 21 Apr 2022 14:56:17 +0000 From: Qing Wang To: Catalin Marinas , Will Deacon , Sudeep Holla , Greg Kroah-Hartman , "Rafael J. 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