[Patch v5 01/10] perf/x86/intel: Replace x86_pmu.drain_pebs calling with static call

From: Dapeng Mi
Date: Wed Jun 25 2025 - 23:43:27 EST


Use x86_pmu_drain_pebs static call to replace calling x86_pmu.drain_pebs
function pointer.

Suggested-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Signed-off-by: Dapeng Mi <dapeng1.mi@xxxxxxxxxxxxxxx>
---
arch/x86/events/intel/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index c2fb729c270e..df51c284cae4 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -3272,7 +3272,7 @@ static int handle_pmi_common(struct pt_regs *regs, u64 status)
* The PEBS buffer has to be drained before handling the A-PMI
*/
if (is_pebs_counter_event_group(event))
- x86_pmu.drain_pebs(regs, &data);
+ static_call(x86_pmu_drain_pebs)(regs, &data);

last_period = event->hw.last_period;

--
2.43.0