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Tue, 6 Nov 2018 15:41:19 +0000 Received: from DM5PR12MB2471.namprd12.prod.outlook.com ([fe80::4c23:f551:bc6a:554e]) by DM5PR12MB2471.namprd12.prod.outlook.com ([fe80::4c23:f551:bc6a:554e%4]) with mapi id 15.20.1294.032; Tue, 6 Nov 2018 15:41:19 +0000 From: "Moger, Babu" To: "tglx@linutronix.de" , "mingo@redhat.com" , "bp@alien8.de" , "corbet@lwn.net" , "fenghua.yu@intel.com" , "reinette.chatre@intel.com" , "peterz@infradead.org" , "gregkh@linuxfoundation.org" , "davem@davemloft.net" , "akpm@linux-foundation.org" CC: "hpa@zytor.com" , "x86@kernel.org" , "mchehab+samsung@kernel.org" , "arnd@arndb.de" , "kstewart@linuxfoundation.org" , "pombredanne@nexb.com" , "rafael@kernel.org" , "kirill.shutemov@linux.intel.com" , "tony.luck@intel.com" , "qianyue.zj@alibaba-inc.com" , "xiaochen.shen@intel.com" , "pbonzini@redhat.com" , "Singh, Brijesh" , "Hurwitz, Sherry" , "dwmw2@infradead.org" , "Lendacky, Thomas" , "luto@kernel.org" , "joro@8bytes.org" , "jannh@google.com" , "vkuznets@redhat.com" , "rian@alum.mit.edu" , "jpoimboe@redhat.com" , "Moger, Babu" , "linux-kernel@vger.kernel.org" , "linux-doc@vger.kernel.org" Subject: [PATCH v6 10/14] arch/x86: Introduce new config parameter AMD_QOS Thread-Topic: [PATCH v6 10/14] arch/x86: Introduce new config parameter AMD_QOS Thread-Index: AQHUdecpVy/Q+WrjJ067QFLpn9FgHw== Date: Tue, 6 Nov 2018 15:41:19 +0000 Message-ID: <20181106154034.15386-11-babu.moger@amd.com> References: <20181106154034.15386-1-babu.moger@amd.com> In-Reply-To: <20181106154034.15386-1-babu.moger@amd.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: SN4PR0401CA0010.namprd04.prod.outlook.com (2603:10b6:803:21::20) 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: 43bdea50-1561-4dfc-c20d-08d643fe4be7 X-MS-Exchange-CrossTenant-originalarrivaltime: 06 Nov 2018 15:41:19.7180 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR12MB1801 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 RESCTRL 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 91a703ebdc04..9cd21e536b65 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 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 RESCTRL 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