[v9] arch-PEBS enabling for Intel platforms

[Patch v9 03/12] perf/x86/intel: Replace x86_pmu.drain_pebs calling with static call

Posted by Dapeng Mi 1 month, 2 weeks ago

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

Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Dapeng Mi <dapeng1.mi@linux.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 28f5468a6ea3..46a000eb0bb3 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -3269,7 +3269,7 @@ 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;
 
-- 
2.34.1

[tip: perf/core] perf/x86/intel: Replace x86_pmu.drain_pebs calling with static call

Posted by tip-bot2 for Dapeng Mi 1 month ago

The following commit has been merged into the perf/core branch of tip:

Commit-ID:     ee98b8bfc7c4baca69a6852c4ecc399794f7e53b
Gitweb:        https://git.kernel.org/tip/ee98b8bfc7c4baca69a6852c4ecc399794f7e53b
Author:        Dapeng Mi <dapeng1.mi@linux.intel.com>
AuthorDate:    Wed, 29 Oct 2025 18:21:27 +08:00
Committer:     Peter Zijlstra <peterz@infradead.org>
CommitterDate: Fri, 07 Nov 2025 15:08:20 +01:00

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@infradead.org>
Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/20251029102136.61364-4-dapeng1.mi@linux.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 28f5468..46a000e 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -3269,7 +3269,7 @@ 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;