mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
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>,
	<x86@kernel.org>, <hpa@zytor.com>, <paulmck@kernel.org>,
	<akpm@linux-foundation.org>, <quic_neeraju@quicinc.com>,
	<rdunlap@infradead.org>, <damien.lemoal@opensource.wdc.com>,
	<songmuchun@bytedance.com>, <peterz@infradead.org>,
	<jpoimboe@kernel.org>, <pbonzini@redhat.com>,
	<babu.moger@amd.com>, <chang.seok.bae@intel.com>,
	<pawan.kumar.gupta@linux.intel.com>, <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>, <linux-kernel@vger.kernel.org>,
	<bagasdotme@gmail.com>, <eranian@google.com>,
	<christophe.leroy@csgroup.eu>, <jarkko@kernel.org>,
	<adrian.hunter@intel.com>, <quic_jiles@quicinc.com>,
	<peternewman@google.com>
Subject: [PATCH v11 05/13] x86/resctrl: Include new features in command line options
Date: Mon, 9 Jan 2023 10:43:57 -0600	[thread overview]
Message-ID: <20230109164405.569714-6-babu.moger@amd.com> (raw)
In-Reply-To: <20230109164405.569714-1-babu.moger@amd.com>

Add the command line options to enable or disable the new resctrl features.
smba : Slow Memory Bandwidth Allocation
bmec : Bandwidth Monitor Event Configuration.

Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Babu Moger <babu.moger@amd.com>
---
 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)
 
-- 
2.34.1


  parent reply	other threads:[~2023-01-09 16:45 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-09 16:43 [PATCH v11 00/13] x86/resctrl: Support for AMD QoS new features Babu Moger
2023-01-09 16:43 ` [PATCH v11 01/13] x86/resctrl: Replace smp_call_function_many() with on_each_cpu_mask() Babu Moger
2023-01-09 23:26   ` Ashok Raj
2023-01-10  2:23     ` Moger, Babu
2023-01-10 20:58       ` Luck, Tony
2023-01-11 15:42         ` Ashok Raj
2023-01-11 19:05           ` Luck, Tony
2023-01-11 23:21             ` Ashok Raj
2023-01-09 16:43 ` [PATCH v11 02/13] x86/cpufeatures: Add Slow Memory Bandwidth Allocation feature flag Babu Moger
2023-01-09 16:43 ` [PATCH v11 03/13] x86/resctrl: Add a new resource type RDT_RESOURCE_SMBA Babu Moger
2023-01-09 16:43 ` [PATCH v11 04/13] x86/cpufeatures: Add Bandwidth Monitoring Event Configuration feature flag Babu Moger
2023-01-09 18:58   ` Borislav Petkov
2023-01-09 19:49     ` Moger, Babu
2023-01-09 21:07       ` Borislav Petkov
2023-01-09 21:25         ` Luck, Tony
2023-01-09 21:39           ` Borislav Petkov
2023-01-09 21:50             ` Luck, Tony
2023-01-24 11:28               ` Borislav Petkov
2023-01-09 23:43             ` Reinette Chatre
2023-01-24 11:32               ` Borislav Petkov
2023-01-09 21:44           ` Moger, Babu
2023-01-09 21:51             ` Borislav Petkov
2023-01-09 23:10               ` Moger, Babu
2023-01-24 11:34                 ` Borislav Petkov
2023-01-24 14:11                   ` Moger, Babu
2023-01-24 15:10                     ` Borislav Petkov
2023-01-24 16:06                       ` Moger, Babu
2023-01-24 16:59                         ` Reinette Chatre
2023-01-24 17:30                           ` Moger, Babu
2023-01-24 17:47                             ` Reinette Chatre
2023-01-24 19:03                               ` Moger, Babu
2023-01-24 19:11                                 ` Borislav Petkov
2023-01-24 19:23                                 ` Reinette Chatre
2023-01-24 20:12                                   ` Moger, Babu
2023-01-09 16:43 ` Babu Moger [this message]
2023-01-09 16:43 ` [PATCH v11 06/13] x86/resctrl: Detect and configure Slow Memory Bandwidth Allocation Babu Moger
2023-01-09 16:43 ` [PATCH v11 07/13] x86/resctrl: Add __init attribute to rdt_get_mon_l3_config() Babu Moger
2023-01-09 16:44 ` [PATCH v11 08/13] x86/resctrl: Support monitor configuration Babu Moger
2023-01-09 16:44 ` [PATCH v11 09/13] x86/resctrl: Add interface to read mbm_total_bytes_config Babu Moger
2023-01-09 16:44 ` [PATCH v11 10/13] x86/resctrl: Add interface to read mbm_local_bytes_config Babu Moger
2023-01-09 16:44 ` [PATCH v11 11/13] x86/resctrl: Add interface to write mbm_total_bytes_config Babu Moger
2023-01-11 22:04   ` Reinette Chatre
2023-01-09 16:44 ` [PATCH v11 12/13] x86/resctrl: Add interface to write mbm_local_bytes_config Babu Moger
2023-01-09 16:44 ` [PATCH v11 13/13] Documentation/x86: Update resctrl.rst for new features Babu Moger
2023-01-11 22:06   ` Reinette Chatre
2023-01-11 22:39     ` Moger, Babu
2023-01-11 22:56       ` Reinette Chatre
2023-01-12  0:39         ` Moger, Babu
2023-01-12  0:47         ` Moger, Babu
2023-01-12 17:30           ` Reinette Chatre
2023-01-12 19:06             ` Moger, Babu

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20230109164405.569714-6-babu.moger@amd.com \
    --to=babu.moger@amd.com \
    --cc=adrian.hunter@intel.com \
    --cc=akpm@linux-foundation.org \
    --cc=bagasdotme@gmail.com \
    --cc=bp@alien8.de \
    --cc=chang.seok.bae@intel.com \
    --cc=christophe.leroy@csgroup.eu \
    --cc=corbet@lwn.net \
    --cc=damien.lemoal@opensource.wdc.com \
    --cc=daniel.sneddon@linux.intel.com \
    --cc=dave.hansen@linux.intel.com \
    --cc=eranian@google.com \
    --cc=fenghua.yu@intel.com \
    --cc=hpa@zytor.com \
    --cc=james.morse@arm.com \
    --cc=jarkko@kernel.org \
    --cc=jmattson@google.com \
    --cc=jpoimboe@kernel.org \
    --cc=linux-doc@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=paulmck@kernel.org \
    --cc=pawan.kumar.gupta@linux.intel.com \
    --cc=pbonzini@redhat.com \
    --cc=peternewman@google.com \
    --cc=peterz@infradead.org \
    --cc=quic_jiles@quicinc.com \
    --cc=quic_neeraju@quicinc.com \
    --cc=rdunlap@infradead.org \
    --cc=reinette.chatre@intel.com \
    --cc=sandipan.das@amd.com \
    --cc=songmuchun@bytedance.com \
    --cc=tglx@linutronix.de \
    --cc=tony.luck@intel.com \
    --cc=x86@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®