linux-kernel - [Patch v4 01/13] perf/x86/intel: Replace x86_pmu.drain

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Message-ID: <20250620103909.1586595-2-dapeng1.mi@linux.intel.com>
Date: Fri, 20 Jun 2025 10:38:57 +0000
From: Dapeng Mi <dapeng1.mi@...ux.intel.com>
To: Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Ian Rogers <irogers@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Kan Liang <kan.liang@...ux.intel.com>,
	Andi Kleen <ak@...ux.intel.com>,
	Eranian Stephane <eranian@...gle.com>
Cc: linux-kernel@...r.kernel.org,
	linux-perf-users@...r.kernel.org,
	Dapeng Mi <dapeng1.mi@...el.com>,
	Dapeng Mi <dapeng1.mi@...ux.intel.com>
Subject: [Patch v4 01/13] perf/x86/intel: Replace x86_pmu.drain_pebs calling with static call

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

Suggested-by: Peter Zijlstra <peterz@...radead.org>
Signed-off-by: Dapeng Mi <dapeng1.mi@...ux.intel.com>
---
 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 741b229f0718..fb6e5c2251a2 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