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a=rsa-sha256; c=relaxed/relaxed; d=amdcloud.onmicrosoft.com; s=selector1-amd-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=RXh20Uk03cnG3hWbjRafqBYh3ubligTHcVsr7IZCzWA=; b=Ljj/QPiamL1snuRPO5jSRr8hy0/ng571TeIcmn7vSSszV8K5EqDFAPYAh9C3w598ApBn/9sAXFDGmQnCwSTx2NMbgCbktG1OTnYnemJ3sWHa8AM8f6ZwValtQVShG0vDqdCJrkaiBBNrvT/x8sBZugO3TqPm12dQ96qXmg4/Ebc= Received: from DM5PR12MB2471.namprd12.prod.outlook.com (52.132.141.138) by DM5PR12MB2504.namprd12.prod.outlook.com (52.132.141.147) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1185.23; Fri, 5 Oct 2018 20:56:06 +0000 Received: from DM5PR12MB2471.namprd12.prod.outlook.com ([fe80::bd60:9d30:b818:b828]) by DM5PR12MB2471.namprd12.prod.outlook.com ([fe80::bd60:9d30:b818:b828%2]) with mapi id 15.20.1207.024; Fri, 5 Oct 2018 20:56:06 +0000 From: "Moger, Babu" To: "tglx@linutronix.de" , "mingo@redhat.com" , "hpa@zytor.com" , "reinette.chatre@intel.com" , "fenghua.yu@intel.com" , "james.morse@arm.com" , "vikas.shivappa@linux.intel.com" , "tony.luck@intel.com" CC: "x86@kernel.org" , "peterz@infradead.org" , "Moger, Babu" , "pombredanne@nexb.com" , "gregkh@linuxfoundation.org" , "kstewart@linuxfoundation.org" , "bp@suse.de" , "rafael.j.wysocki@intel.com" , "ak@linux.intel.com" , "kirill.shutemov@linux.intel.com" , "xiaochen.shen@intel.com" , "colin.king@canonical.com" , "Hurwitz, Sherry" , "Lendacky, Thomas" , "pbonzini@redhat.com" , "dwmw@amazon.co.uk" , "luto@kernel.org" , "jroedel@suse.de" , "jannh@google.com" , "dima@arista.com" , "jpoimboe@redhat.com" , "vkuznets@redhat.com" , "linux-kernel@vger.kernel.org" Subject: [PATCH v2 09/11] arch/x86: Introduce new config parameter AMD_QOS Thread-Topic: [PATCH v2 09/11] arch/x86: Introduce new config parameter AMD_QOS Thread-Index: AQHUXO3VfSqeFnz9REGv/ZtKx28M2Q== Date: Fri, 5 Oct 2018 20:56:06 +0000 Message-ID: <20181005205512.29545-10-babu.moger@amd.com> References: <20181005205512.29545-1-babu.moger@amd.com> In-Reply-To: <20181005205512.29545-1-babu.moger@amd.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: BN6PR2001CA0018.namprd20.prod.outlook.com (2603:10b6:404:b4::28) To DM5PR12MB2471.namprd12.prod.outlook.com (2603:10b6:4:b5::10) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Babu.Moger@amd.com; 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 84565deb-bba6-441e-dd50-08d62b04f7d8 X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Oct 2018 20:56:06.2552 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR12MB2504 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Introduces the new config parameter AMD_QOS. This parameter will be used to enable cache and memory bandwidth allocation and monitoring features on AMD processors. This will enable common config parameter PLATFORM_QOS if selected. Signed-off-by: Babu Moger --- arch/x86/Kconfig | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 7f2da780a327..0bfb5f4f32f2 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -458,9 +458,24 @@ config INTEL_RDT =20 Say N if unsure. =20 +config AMD_QOS + bool "AMD Quality of Service support" + default n + depends on X86 && CPU_SUP_AMD + select KERNFS + help + Select to enable cache and memory bandwidth enforcement and monitoring + features of AMD processors. These features are intended to provide + support for the monitoring of the usage of certain system resources + by one or more processors and for the separate allocation and + enforcement of limits on the use of certain system resources by one or + more processors. + + Say N if unsure. + config PLATFORM_QOS def_bool y - depends on X86 && INTEL_RDT + depends on X86 && (INTEL_RDT || AMD_QOS) =20 if X86_32 config X86_BIGSMP --=20 2.17.1