diff options
Diffstat (limited to 'arch/x86/kernel/cpu/resctrl/core.c')
| -rw-r--r-- | arch/x86/kernel/cpu/resctrl/core.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c index eba210db4a7b..6f0d1bbba901 100644 --- a/arch/x86/kernel/cpu/resctrl/core.c +++ b/arch/x86/kernel/cpu/resctrl/core.c @@ -830,6 +830,21 @@ bool __init rdt_cpu_has(int flag) return ret; } +__init bool resctrl_arch_is_evt_configurable(enum resctrl_event_id evt) +{ + if (!rdt_cpu_has(X86_FEATURE_BMEC)) + return false; + + switch (evt) { + case QOS_L3_MBM_TOTAL_EVENT_ID: + return rdt_cpu_has(X86_FEATURE_CQM_MBM_TOTAL); + case QOS_L3_MBM_LOCAL_EVENT_ID: + return rdt_cpu_has(X86_FEATURE_CQM_MBM_LOCAL); + default: + return false; + } +} + static __init bool get_mem_config(void) { struct rdt_hw_resource *hw_res = &rdt_resources_all[RDT_RESOURCE_MBA]; |