On Fri, Nov 01, 2024 at 03:03:32PM -0700, Fenghua Yu wrote: > > diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c > > index b681c2e07dbf..5b55a7ac7013 100644 > > --- a/arch/x86/kernel/cpu/resctrl/core.c > > +++ b/arch/x86/kernel/cpu/resctrl/core.c > > @@ -958,6 +958,11 @@ static __init bool get_rdt_mon_resources(void) > > if (rdt_cpu_has(X86_FEATURE_CQM_MBM_LOCAL)) > > rdt_mon_features |= (1 << QOS_L3_MBM_LOCAL_EVENT_ID); > > + if (rdt_mon_features & (1 << QOS_L3_MBM_LOCAL_EVENT_ID)) > > Please change this check to: > > if (is_mbm_local_enabled()) > > > + mba_mbps_default_event = QOS_L3_MBM_LOCAL_EVENT_ID; > > + else if (rdt_mon_features & (1 << QOS_L3_MBM_TOTAL_EVENT_ID)) > > and this check to: > > else if (is_mbm_total_enabled()) > > > + mba_mbps_default_event = QOS_L3_MBM_TOTAL_EVENT_ID; > > + You are correct. I had a moment of amnesia and forgot those helpers existed and just pasted the expressions used to set each of the bits in rdt_mon_features. I will change as you suggest. -Tony