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| author | Fenghua Yu <fenghua.yu@intel.com> | 2017-12-20 14:57:24 -0800 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-01-18 09:33:32 +0100 |
| commit | 31516de306c0c9235156cdc7acb976ea21f1f646 (patch) | |
| tree | b73826a7261c23bf6ca79459a83460f765abc130 /Documentation/admin-guide/kernel-parameters.txt | |
| parent | 99adde9b370de8e07ef76630c6f60dbf586cdf0e (diff) | |
| download | lwn-31516de306c0c9235156cdc7acb976ea21f1f646.tar.gz lwn-31516de306c0c9235156cdc7acb976ea21f1f646.zip | |
x86/intel_rdt: Add command line parameter to control L2_CDP
L2 CDP can be controlled by kernel parameter "rdt=".
If "rdt=l2cdp", L2 CDP is turned on.
If "rdt=!l2cdp", L2 CDP is turned off.
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Thomas 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/1513810644-78015-7-git-send-email-fenghua.yu@intel.com
Diffstat (limited to 'Documentation/admin-guide/kernel-parameters.txt')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 46b26bfee27b..fde058ca8419 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -3682,7 +3682,8 @@ rdt= [HW,X86,RDT] Turn on/off individual RDT features. List is: - cmt, mbmtotal, mbmlocal, l3cat, l3cdp, l2cat, mba. + cmt, mbmtotal, mbmlocal, l3cat, l3cdp, l2cat, l2cdp, + mba. E.g. to turn on cmt and turn off mba use: rdt=cmt,!mba |