The following commit has been merged into the perf/core branch of tip:
Commit-ID: 2368516731901c391826f7cf23516173193652fa
Gitweb: https://git.kernel.org/tip/2368516731901c391826f7cf23516173193652fa
Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
AuthorDate: Wed, 11 May 2022 16:41:25 +02:00
Committer: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
CommitterDate: Wed, 07 Sep 2022 21:54:03 +02:00
perf/x86/intel: Remove x86_pmu::set_topdown_event_period
Now that it is all internal to the intel driver, remove
x86_pmu::set_topdown_event_period.
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Link: https://lkml.kernel.org/r/20220829101321.706354189@xxxxxxxxxxxxx
---
arch/x86/events/intel/core.c | 16 ++++++++++------
arch/x86/events/perf_event.h | 1 -
2 files changed, 10 insertions(+), 7 deletions(-)
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index 92cc390..75400ed 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -2521,6 +2521,8 @@ static int adl_set_topdown_event_period(struct perf_event *event)
return icl_set_topdown_event_period(event);
}
+DEFINE_STATIC_CALL(intel_pmu_set_topdown_event_period, x86_perf_event_set_period);
+
static inline u64 icl_get_metrics_event_value(u64 metric, u64 slots, int idx)
{
u32 val;
@@ -2811,9 +2813,8 @@ int intel_pmu_save_and_restart(struct perf_event *event)
static int intel_pmu_set_period(struct perf_event *event)
{
- if (unlikely(is_topdown_count(event)) &&
- x86_pmu.set_topdown_event_period)
- return x86_pmu.set_topdown_event_period(event);
+ if (unlikely(is_topdown_count(event)))
+ return static_call(intel_pmu_set_topdown_event_period)(event);
return x86_perf_event_set_period(event);
}
@@ -6292,7 +6293,8 @@ __init int intel_pmu_init(void)
intel_pmu_pebs_data_source_skl(pmem);
x86_pmu.num_topdown_events = 4;
x86_pmu.update_topdown_event = icl_update_topdown_event;
- x86_pmu.set_topdown_event_period = icl_set_topdown_event_period;
+ static_call_update(intel_pmu_set_topdown_event_period,
+ &icl_set_topdown_event_period);
pr_cont("Icelake events, ");
name = "icelake";
break;
@@ -6330,7 +6332,8 @@ __init int intel_pmu_init(void)
intel_pmu_pebs_data_source_skl(pmem);
x86_pmu.num_topdown_events = 8;
x86_pmu.update_topdown_event = icl_update_topdown_event;
- x86_pmu.set_topdown_event_period = icl_set_topdown_event_period;
+ static_call_update(intel_pmu_set_topdown_event_period,
+ &icl_set_topdown_event_period);
pr_cont("Sapphire Rapids events, ");
name = "sapphire_rapids";
break;
@@ -6367,7 +6370,8 @@ __init int intel_pmu_init(void)
x86_pmu.pebs_latency_data = adl_latency_data_small;
x86_pmu.num_topdown_events = 8;
x86_pmu.update_topdown_event = adl_update_topdown_event;
- x86_pmu.set_topdown_event_period = adl_set_topdown_event_period;
+ static_call_update(intel_pmu_set_topdown_event_period,
+ &adl_set_topdown_event_period);
x86_pmu.filter_match = intel_pmu_filter_match;
x86_pmu.get_event_constraints = adl_get_event_constraints;
diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h
index e82d2d2..be27ead 100644
--- a/arch/x86/events/perf_event.h
+++ b/arch/x86/events/perf_event.h
@@ -890,7 +890,6 @@ struct x86_pmu {
*/
int num_topdown_events;
u64 (*update_topdown_event)(struct perf_event *event);
- int (*set_topdown_event_period)(struct perf_event *event);
/*
* perf task context (i.e. struct perf_event_context::task_ctx_data)
|