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Commit 0ff8e080 authored by Fenghua Yu's avatar Fenghua Yu Committed by Thomas Gleixner
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x86/intel_rdt: Update documentation



With more flag bits in /proc/cpuinfo for RDT, it's better to classify the
bits for readability.

Some previously missing bits are added as well.

Signed-off-by: default avatarFenghua Yu <fenghua.yu@intel.com>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Cc: "Ravi V Shankar" <ravi.v.shankar@intel.com>
Cc: "Tony Luck" <tony.luck@intel.com>
Cc: Vikas" <vikas.shivappa@intel.com>
Cc: Sai Praneeth" <sai.praneeth.prakhya@intel.com>
Cc: Reinette" <reinette.chatre@intel.com>
Link: https://lkml.kernel.org/r/1513810644-78015-2-git-send-email-fenghua.yu@intel.com
parent 1d966eb4
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+7 −1
Original line number Original line Diff line number Diff line
@@ -7,7 +7,13 @@ Tony Luck <tony.luck@intel.com>
Vikas Shivappa <vikas.shivappa@intel.com>
Vikas Shivappa <vikas.shivappa@intel.com>


This feature is enabled by the CONFIG_INTEL_RDT Kconfig and the
This feature is enabled by the CONFIG_INTEL_RDT Kconfig and the
X86 /proc/cpuinfo flag bits "rdt", "cqm", "cat_l3" and "cdp_l3".
X86 /proc/cpuinfo flag bits:
RDT (Resource Director Technology) Allocation - "rdt_a"
CAT (Cache Allocation Technology) - "cat_l3", "cat_l2"
CDP (Code and Data Prioritization ) - "cdp_l3"
CQM (Cache QoS Monitoring) - "cqm_llc", "cqm_occup_llc"
MBM (Memory Bandwidth Monitoring) - "cqm_mbm_total", "cqm_mbm_local"
MBA (Memory Bandwidth Allocation) - "mba"


To use the feature mount the file system:
To use the feature mount the file system: