Add the command line options to enable or disable the new resctrl feature L3 Smart Data Cache Injection Allocation Enforcement (SDCIAE). Signed-off-by: Babu Moger <babu.moger@xxxxxxx> --- Documentation/admin-guide/kernel-parameters.txt | 2 +- arch/x86/kernel/cpu/resctrl/core.c | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 09126bb8cc9f..63f17d23b8f4 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -5604,7 +5604,7 @@ rdt= [HW,X86,RDT] Turn on/off individual RDT features. List is: cmt, mbmtotal, mbmlocal, l3cat, l3cdp, l2cat, l2cdp, - mba, smba, bmec. + mba, smba, bmec, sdciae. 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 1930fce9dfe9..c4dfc768ddf5 100644 --- a/arch/x86/kernel/cpu/resctrl/core.c +++ b/arch/x86/kernel/cpu/resctrl/core.c @@ -801,6 +801,7 @@ enum { RDT_FLAG_MBA, RDT_FLAG_SMBA, RDT_FLAG_BMEC, + RDT_FLAG_SDCIAE, }; #define RDT_OPT(idx, n, f) \ @@ -826,6 +827,7 @@ static struct rdt_options rdt_options[] __initdata = { 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), + RDT_OPT(RDT_FLAG_SDCIAE, "sdciae", X86_FEATURE_SDCIAE), }; #define NUM_RDT_OPTIONS ARRAY_SIZE(rdt_options) -- 2.34.1