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Fri, 13 Jan 2023 09:21:03 -0600 From: Babu Moger To: , , , , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v12 05/13] x86/resctrl: Include new features in command line options Date: Fri, 13 Jan 2023 09:20:31 -0600 Message-ID: <20230113152039.770054-6-babu.moger@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230113152039.770054-1-babu.moger@amd.com> References: <20230113152039.770054-1-babu.moger@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT047:EE_|BL1PR12MB5708:EE_ X-MS-Office365-Filtering-Correlation-Id: 18b0188c-5d0e-4258-51f7-08daf579e4ca X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230022)(4636009)(346002)(136003)(376002)(39860400002)(396003)(451199015)(46966006)(40470700004)(36840700001)(7406005)(7416002)(5660300002)(44832011)(8936002)(41300700001)(2906002)(54906003)(83380400001)(8676002)(36756003)(4326008)(70586007)(316002)(478600001)(70206006)(110136005)(7696005)(186003)(6666004)(16526019)(26005)(1076003)(336012)(40480700001)(2616005)(81166007)(426003)(356005)(82740400003)(36860700001)(86362001)(82310400005)(47076005)(40460700003)(36900700001);DIR:OUT;SFP:1101; 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Reviewed-by: Reinette Chatre Signed-off-by: Babu Moger --- Documentation/admin-guide/kernel-parameters.txt | 2 +- arch/x86/kernel/cpu/resctrl/core.c | 4 ++++ 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 6cfa6e3996cf..0ee891133d76 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -5221,7 +5221,7 @@ rdt= [HW,X86,RDT] Turn on/off individual RDT features. List is: cmt, mbmtotal, mbmlocal, l3cat, l3cdp, l2cat, l2cdp, - mba. + mba, smba, bmec. E.g. to turn on cmt and turn off mba use: rdt=cmt,!mba diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c index f6af3ac1ef20..10a8c9d96f32 100644 --- a/arch/x86/kernel/cpu/resctrl/core.c +++ b/arch/x86/kernel/cpu/resctrl/core.c @@ -659,6 +659,8 @@ enum { RDT_FLAG_L2_CAT, RDT_FLAG_L2_CDP, RDT_FLAG_MBA, + RDT_FLAG_SMBA, + RDT_FLAG_BMEC, }; #define RDT_OPT(idx, n, f) \ @@ -682,6 +684,8 @@ static struct rdt_options rdt_options[] __initdata = { RDT_OPT(RDT_FLAG_L2_CAT, "l2cat", X86_FEATURE_CAT_L2), RDT_OPT(RDT_FLAG_L2_CDP, "l2cdp", X86_FEATURE_CDP_L2), RDT_OPT(RDT_FLAG_MBA, "mba", X86_FEATURE_MBA), + RDT_OPT(RDT_FLAG_SMBA, "smba", X86_FEATURE_SMBA), + RDT_OPT(RDT_FLAG_BMEC, "bmec", X86_FEATURE_BMEC), }; #define NUM_RDT_OPTIONS ARRAY_SIZE(rdt_options)