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x86/resctrl: Add SDCIAE feature in the command line options

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Add a kernel command-line parameter to enable or disable the exposure of
the L3 Smart Data Cache Injection Allocation Enforcement (SDCIAE) hardware
feature to resctrl.

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://patch.msgid.link/c623edf7cb369ba9da966de47d9f1b666778a40e.1762995456.git.babu.moger@amd.com
This commit is contained in:
Babu Moger
2025-11-12 18:57:28 -06:00
committed by Borislav Petkov (AMD)
parent 3767def18f
commit 4d4840b125
3 changed files with 15 additions and 12 deletions
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2
Documentation/admin-guide/kernel-parameters.txt
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@@ -6207,7 +6207,7 @@
rdt= [HW,X86,RDT]
Turn on/off individual RDT features. List is:
cmt, mbmtotal, mbmlocal, l3cat, l3cdp, l2cat, l2cdp,
mba, smba, bmec, abmc.
mba, smba, bmec, abmc, sdciae.
E.g. to turn on cmt and turn off mba use:
rdt=cmt,!mba