Merge tag 'perf-urgent-2026-04-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf fix from Ingo Molnar:

 - Fix potential bad container_of() in intel_pmu_hw_config() (Ian
   Rogers)

* tag 'perf-urgent-2026-04-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86: Fix potential bad container_of in intel_pmu_hw_config

Author: torvalds

arch/x86/events/intel/core.c

@@ -4855,8 +4855,10 @@ static int intel_pmu_hw_config(struct perf_event *event)
 		intel_pmu_set_acr_caused_constr(leader, idx++, cause_mask);
 
 		if (leader->nr_siblings) {
-			for_each_sibling_event(sibling, leader)
-				intel_pmu_set_acr_caused_constr(sibling, idx++, cause_mask);
+			for_each_sibling_event(sibling, leader) {
+				if (is_x86_event(sibling))
+					intel_pmu_set_acr_caused_constr(sibling, idx++, cause_mask);
+			}
 		}
 
 		if (leader != event)