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Subject: [PATCH v4 06/13] x86/resctrl: Include new features in command line
 options
From:   Babu Moger <babu.moger@amd.com>
To:     <corbet@lwn.net>, <reinette.chatre@intel.com>,
        <tglx@linutronix.de>, <mingo@redhat.com>, <bp@alien8.de>
CC:     <fenghua.yu@intel.com>, <dave.hansen@linux.intel.com>,
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        <jmattson@google.com>, <daniel.sneddon@linux.intel.com>,
        <sandipan.das@amd.com>, <tony.luck@intel.com>,
        <james.morse@arm.com>, <linux-doc@vger.kernel.org>,
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        <eranian@google.com>
Date:   Wed, 7 Sep 2022 13:00:41 -0500
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Add the command line options to disable the new features.=0A=
smba : Slow Memory Bandwidth Allocation=0A=
mbec : Bandwidth Monitor Event Configuration.=0A=
=0A=
Signed-off-by: Babu Moger <babu.moger@amd.com>=0A=
---=0A=
 Documentation/admin-guide/kernel-parameters.txt |    2 +-=0A=
 arch/x86/kernel/cpu/resctrl/core.c              |    4 ++++=0A=
 2 files changed, 5 insertions(+), 1 deletion(-)=0A=
=0A=
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentatio=
n/admin-guide/kernel-parameters.txt=0A=
index d7f30902fda0..c109fecb93ea 100644=0A=
--- a/Documentation/admin-guide/kernel-parameters.txt=0A=
+++ b/Documentation/admin-guide/kernel-parameters.txt=0A=
@@ -5169,7 +5169,7 @@=0A=
 	rdt=3D		[HW,X86,RDT]=0A=
 			Turn on/off individual RDT features. List is:=0A=
 			cmt, mbmtotal, mbmlocal, l3cat, l3cdp, l2cat, l2cdp,=0A=
-			mba.=0A=
+			mba, smba, bmec.=0A=
 			E.g. to turn on cmt and turn off mba use:=0A=
 				rdt=3Dcmt,!mba=0A=
 =0A=
diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resct=
rl/core.c=0A=
index a7e9aabff8c8..53fbc3acad81 100644=0A=
--- a/arch/x86/kernel/cpu/resctrl/core.c=0A=
+++ b/arch/x86/kernel/cpu/resctrl/core.c=0A=
@@ -700,6 +700,8 @@ enum {=0A=
 	RDT_FLAG_L2_CAT,=0A=
 	RDT_FLAG_L2_CDP,=0A=
 	RDT_FLAG_MBA,=0A=
+	RDT_FLAG_SMBA,=0A=
+	RDT_FLAG_BMEC,=0A=
 };=0A=
 =0A=
 #define RDT_OPT(idx, n, f)	\=0A=
@@ -723,6 +725,8 @@ static struct rdt_options rdt_options[]  __initdata =3D=
 {=0A=
 	RDT_OPT(RDT_FLAG_L2_CAT,    "l2cat",	X86_FEATURE_CAT_L2),=0A=
 	RDT_OPT(RDT_FLAG_L2_CDP,    "l2cdp",	X86_FEATURE_CDP_L2),=0A=
 	RDT_OPT(RDT_FLAG_MBA,	    "mba",	X86_FEATURE_MBA),=0A=
+	RDT_OPT(RDT_FLAG_SMBA,	    "smba",	X86_FEATURE_SMBA),=0A=
+	RDT_OPT(RDT_FLAG_BMEC,	    "bmec",	X86_FEATURE_BMEC),=0A=
 };=0A=
 #define NUM_RDT_OPTIONS ARRAY_SIZE(rdt_options)=0A=
 =0A=
=0A=