diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index 98b0f072952735da9928970093ac1857bb9a932a..c3439a36dcf93d48b2843f2a04582fac46bb3498 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -3905,6 +3905,7 @@ __init int intel_pmu_init(void) intel_pmu_pebs_data_source_nhm(); x86_add_quirk(intel_nehalem_quirk); + x86_pmu.pebs_no_tlb = 1; pr_cont("Nehalem events, "); break; diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c index a322fed5f8edcab18401e2745438c362f80e0851..3ccdf8cb4495062de9df8b8a7467a43aa985746f 100644 --- a/arch/x86/events/intel/ds.c +++ b/arch/x86/events/intel/ds.c @@ -149,8 +149,6 @@ static u64 load_latency_data(u64 status) { union intel_x86_pebs_dse dse; u64 val; - int model = boot_cpu_data.x86_model; - int fam = boot_cpu_data.x86; dse.val = status; @@ -162,8 +160,7 @@ static u64 load_latency_data(u64 status) /* * Nehalem models do not support TLB, Lock infos */ - if (fam == 0x6 && (model == 26 || model == 30 - || model == 31 || model == 46)) { + if (x86_pmu.pebs_no_tlb) { val |= P(TLB, NA) | P(LOCK, NA); return val; } diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h index 476aec3a4cabd3852be09731a69f6c5f3c28948b..2e9636e4068f728b67ebd5186ee1a79e579798d1 100644 --- a/arch/x86/events/perf_event.h +++ b/arch/x86/events/perf_event.h @@ -591,7 +591,8 @@ struct x86_pmu { pebs :1, pebs_active :1, pebs_broken :1, - pebs_prec_dist :1; + pebs_prec_dist :1, + pebs_no_tlb :1; int pebs_record_size; int pebs_buffer_size; void (*drain_pebs)(struct pt_regs *regs);