From: "tip-bot2 for Babu Moger" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: Babu Moger <babu.moger@amd.com>,
"Borislav Petkov (AMD)" <bp@alien8.de>,
Reinette Chatre <reinette.chatre@intel.com>,
x86@kernel.org, linux-kernel@vger.kernel.org
Subject: [tip: x86/cache] x86/resctrl: Include new features in command line options
Date: Tue, 24 Jan 2023 09:26:37 -0000 [thread overview]
Message-ID: <167455239757.4906.11241332307553202930.tip-bot2@tip-bot2> (raw)
In-Reply-To: <20230113152039.770054-6-babu.moger@amd.com>
The following commit has been merged into the x86/cache branch of tip:
Commit-ID: a76f65c89f928b87c49d88b7fd60cb4d7203ffff
Gitweb: https://git.kernel.org/tip/a76f65c89f928b87c49d88b7fd60cb4d7203ffff
Author: Babu Moger <babu.moger@amd.com>
AuthorDate: Fri, 13 Jan 2023 09:20:31 -06:00
Committer: Borislav Petkov (AMD) <bp@alien8.de>
CommitterDate: Mon, 23 Jan 2023 17:38:38 +01:00
x86/resctrl: Include new features in command line options
Add the command line options to enable or disable the new resctrl features:
smba: Slow Memory Bandwidth Allocation
bmec: Bandwidth Monitor Event Configuration.
Signed-off-by: Babu Moger <babu.moger@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>
Link: https://lore.kernel.org/r/20230113152039.770054-6-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 6cfa6e3..0ee8911 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 f6af3ac..10a8c9d 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)
next prev parent reply other threads:[~2023-01-24 9:27 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-13 15:20 [PATCH v12 00/13] x86/resctrl: Support for AMD QoS new features Babu Moger
2023-01-13 15:20 ` [PATCH v12 01/13] x86/resctrl: Replace smp_call_function_many() with on_each_cpu_mask() Babu Moger
2023-01-24 9:26 ` [tip: x86/cache] " tip-bot2 for Babu Moger
2023-01-13 15:20 ` [PATCH v12 02/13] x86/cpufeatures: Add Slow Memory Bandwidth Allocation feature flag Babu Moger
2023-01-24 9:26 ` [tip: x86/cache] " tip-bot2 for Babu Moger
2023-01-13 15:20 ` [PATCH v12 03/13] x86/resctrl: Add a new resource type RDT_RESOURCE_SMBA Babu Moger
2023-01-24 9:26 ` [tip: x86/cache] " tip-bot2 for Babu Moger
2023-01-13 15:20 ` [PATCH v12 04/13] x86/cpufeatures: Add Bandwidth Monitoring Event Configuration feature flag Babu Moger
2023-01-24 9:26 ` [tip: x86/cache] " tip-bot2 for Babu Moger
2023-01-13 15:20 ` [PATCH v12 05/13] x86/resctrl: Include new features in command line options Babu Moger
2023-01-24 9:26 ` tip-bot2 for Babu Moger [this message]
2023-01-13 15:20 ` [PATCH v12 06/13] x86/resctrl: Detect and configure Slow Memory Bandwidth Allocation Babu Moger
2023-01-24 9:26 ` [tip: x86/cache] " tip-bot2 for Babu Moger
2023-01-13 15:20 ` [PATCH v12 07/13] x86/resctrl: Add __init attribute to rdt_get_mon_l3_config() Babu Moger
2023-01-24 9:26 ` [tip: x86/cache] " tip-bot2 for Babu Moger
2023-01-13 15:20 ` [PATCH v12 08/13] x86/resctrl: Support monitor configuration Babu Moger
2023-01-24 9:26 ` [tip: x86/cache] " tip-bot2 for Babu Moger
2023-01-13 15:20 ` [PATCH v12 09/13] x86/resctrl: Add interface to read mbm_total_bytes_config Babu Moger
2023-01-24 9:26 ` [tip: x86/cache] " tip-bot2 for Babu Moger
2023-01-13 15:20 ` [PATCH v12 10/13] x86/resctrl: Add interface to read mbm_local_bytes_config Babu Moger
2023-01-24 9:26 ` [tip: x86/cache] " tip-bot2 for Babu Moger
2023-01-13 15:20 ` [PATCH v12 11/13] x86/resctrl: Add interface to write mbm_total_bytes_config Babu Moger
2023-01-24 9:26 ` [tip: x86/cache] " tip-bot2 for Babu Moger
2023-01-13 15:20 ` [PATCH v12 12/13] x86/resctrl: Add interface to write mbm_local_bytes_config Babu Moger
2023-01-24 9:26 ` [tip: x86/cache] " tip-bot2 for Babu Moger
2023-01-13 15:20 ` [PATCH v12 13/13] Documentation/x86: Update resctrl.rst for new features Babu Moger
2023-01-17 22:11 ` Reinette Chatre
2023-01-24 9:26 ` [tip: x86/cache] " tip-bot2 for Babu Moger
2023-01-17 22:16 ` [PATCH v12 00/13] x86/resctrl: Support for AMD QoS " Reinette Chatre
2023-01-18 16:36 ` Moger, Babu
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