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| author | Babu Moger <babu.moger@amd.com> | 2025-11-12 18:57:28 -0600 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2025-11-21 22:03:23 +0100 |
| commit | 4d4840b1251acc194e4b59d9a5bfba23cd573ed3 (patch) | |
| tree | 371b9294f77649b5556a05c28d1854de15574154 /arch/x86/kernel/cpu/resctrl | |
| parent | 3767def18f4cc394dc98cb93e78c3cc9afc4c515 (diff) | |
| download | lwn-4d4840b1251acc194e4b59d9a5bfba23cd573ed3.tar.gz lwn-4d4840b1251acc194e4b59d9a5bfba23cd573ed3.zip | |
x86/resctrl: Add SDCIAE feature in the command line options
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
Diffstat (limited to 'arch/x86/kernel/cpu/resctrl')
| -rw-r--r-- | arch/x86/kernel/cpu/resctrl/core.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c index 06ca5a30140c..2b2935b3df8d 100644 --- a/arch/x86/kernel/cpu/resctrl/core.c +++ b/arch/x86/kernel/cpu/resctrl/core.c @@ -719,6 +719,7 @@ enum { RDT_FLAG_SMBA, RDT_FLAG_BMEC, RDT_FLAG_ABMC, + RDT_FLAG_SDCIAE, }; #define RDT_OPT(idx, n, f) \ @@ -745,6 +746,7 @@ static struct rdt_options rdt_options[] __ro_after_init = { RDT_OPT(RDT_FLAG_SMBA, "smba", X86_FEATURE_SMBA), RDT_OPT(RDT_FLAG_BMEC, "bmec", X86_FEATURE_BMEC), RDT_OPT(RDT_FLAG_ABMC, "abmc", X86_FEATURE_ABMC), + RDT_OPT(RDT_FLAG_SDCIAE, "sdciae", X86_FEATURE_SDCIAE), }; #define NUM_RDT_OPTIONS ARRAY_SIZE(rdt_options) |