Merge tag 'uuid-for-4.13-2' of git://git.infradead.org/users/hch/uuid

[linux.git] / arch / x86 / events / intel / ds.c

diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c
index c6d23ffe422d110bf91483427a6198e6dd0eaad4..a322fed5f8edcab18401e2745438c362f80e0851 100644 (file)
--- a/arch/x86/events/intel/ds.c
+++ b/arch/x86/events/intel/ds.c
@@ -606,12 +606,6 @@ static inline void intel_pmu_drain_pebs_buffer(void)
        x86_pmu.drain_pebs(&regs);
 }
 
-void intel_pmu_pebs_sched_task(struct perf_event_context *ctx, bool sched_in)
-{
-       if (!sched_in)
-               intel_pmu_drain_pebs_buffer();
-}
-
 /*
  * PEBS
  */
@@ -651,6 +645,12 @@ struct event_constraint intel_glm_pebs_event_constraints[] = {
        EVENT_CONSTRAINT_END
 };
 
+struct event_constraint intel_glp_pebs_event_constraints[] = {
+       /* Allow all events as PEBS with no flags */
+       INTEL_ALL_EVENT_CONSTRAINT(0, 0xf),
+       EVENT_CONSTRAINT_END
+};
+
 struct event_constraint intel_nehalem_pebs_event_constraints[] = {
        INTEL_PLD_CONSTRAINT(0x100b, 0xf),      /* MEM_INST_RETIRED.* */
        INTEL_FLAGS_EVENT_CONSTRAINT(0x0f, 0xf),    /* MEM_UNCORE_RETIRED.* */
@@ -816,6 +816,14 @@ static inline bool pebs_needs_sched_cb(struct cpu_hw_events *cpuc)
        return cpuc->n_pebs && (cpuc->n_pebs == cpuc->n_large_pebs);
 }
 
+void intel_pmu_pebs_sched_task(struct perf_event_context *ctx, bool sched_in)
+{
+       struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
+
+       if (!sched_in && pebs_needs_sched_cb(cpuc))
+               intel_pmu_drain_pebs_buffer();
+}
+
 static inline void pebs_update_threshold(struct cpu_hw_events *cpuc)
 {
        struct debug_store *ds = cpuc->ds;
@@ -889,6 +897,8 @@ void intel_pmu_pebs_enable(struct perf_event *event)
        if (hwc->flags & PERF_X86_EVENT_AUTO_RELOAD) {
                ds->pebs_event_reset[hwc->idx] =
                        (u64)(-hwc->sample_period) & x86_pmu.cntval_mask;
+       } else {
+               ds->pebs_event_reset[hwc->idx] = 0;
        }
 }