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Thu, 1 Dec 2022 09:36:27 -0600 Subject: [PATCH v9 04/13] x86/resctrl: Include new features in command line options From: Babu Moger To: , , , , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Date: Thu, 1 Dec 2022 09:36:26 -0600 Message-ID: <166990898682.17806.2447018872734886554.stgit@bmoger-ubuntu> In-Reply-To: <166990882621.17806.16780480657453071426.stgit@bmoger-ubuntu> References: <166990882621.17806.16780480657453071426.stgit@bmoger-ubuntu> User-Agent: StGit/1.1.dev103+g5369f4c MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT024:EE_|PH8PR12MB7231:EE_ X-MS-Office365-Filtering-Correlation-Id: bafb2e31-e618-4eac-069a-08dad3b1d13e 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)(7916004)(376002)(346002)(136003)(39860400002)(396003)(451199015)(46966006)(36840700001)(40470700004)(33716001)(81166007)(40480700001)(356005)(40460700003)(86362001)(103116003)(478600001)(9686003)(110136005)(5660300002)(7406005)(41300700001)(7416002)(2906002)(316002)(4326008)(54906003)(16576012)(70206006)(36860700001)(8676002)(8936002)(70586007)(44832011)(82310400005)(16526019)(82740400003)(336012)(186003)(83380400001)(26005)(47076005)(426003)(71626007)(36900700001);DIR:OUT;SFP:1101; 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Signed-off-by: Babu Moger Reviewed-by: Reinette Chatre --- 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 42af9ca0127e..a7b6634f4426 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -5190,7 +5190,7 @@ 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)