- Fix a lockdep warning when the event given is the first one, no event

group exists yet but the code still goes and iterates over event
   siblings
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmS0O2cACgkQEsHwGGHe
 VUrCsRAAq+sdCTlD9FEyhm8LkAYa7A1IhXqo0sO1DrVt/gwqj+I9xtxBRu3tEI3d
 IzwzNQoWoPW59frdGtXi7R9hJUrHKFh+FQ6l/rPwWCwC3CP56SVg0UTLkIPylrVZ
 WpZ5DU5Sc3n8cHusINGgdG51h0/H8aJx3WEFPfND0ydt4gzD14rnq+nQLU8DCfxB
 /1UHZu7wWdNey9cqO/KDgajiCuO26OyGBCO2y5rmL6/UkT7mbO3UR+NusZrFyUCI
 IoUaWPs2NtZmWGxyh3XkkcJLUBWVITYhMZdHGzJqDp7J2A7t213+q1R4X9f+Kiq7
 6nJEAUH0fwodjkJN9GUJGaite+umn7R2W7+OQ3Qigz3hrIMIai9f1wfnnoYo9auH
 vSGvYl3b4v8A+eyZLCQC4qJg5ekfkgxR2LXck6qv9PKtDamjNRMZEUhPFknsvTWg
 Yn29rFq2zZlUCLdTbR+z/dlHEQRxe8FOo5V4+YtWsDMZcYsnvcULb4XQPq6EYHAi
 BDs1iCMWR7uVer8Duq7o/RKbeE3hQwLFfm+SqjYxn6sHH2NcE9OKi+rr6UPkOh27
 gZzBPLlP7SLXTBuqLeSHiczDXochUvFGF7gC+2mZ8/jNP023OMkrHJZyoNyuj8sZ
 qSGk9g3zFCtyQCfsgw01pDuRfSs4Y3MZmzsxI3/mUzbK/KzTXOE=
 =KqCi
 -----END PGP SIGNATURE-----

Merge tag 'perf_urgent_for_v6.5_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf fix from Borislav Petkov:

 - Fix a lockdep warning when the event given is the first one, no event
   group exists yet but the code still goes and iterates over event
   siblings

* tag 'perf_urgent_for_v6.5_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86: Fix lockdep warning in for_each_sibling_event() on SPR

arch/x86/events/intel/core.c

@@ -3993,6 +3993,13 @@ static int intel_pmu_hw_config(struct perf_event *event)
 		struct perf_event *leader = event->group_leader;
 		struct perf_event *sibling = NULL;
 
+		/*
+		 * When this memload event is also the first event (no group
+		 * exists yet), then there is no aux event before it.
+		 */
+		if (leader == event)
+			return -ENODATA;
+
 		if (!is_mem_loads_aux_event(leader)) {
 			for_each_sibling_event(sibling, leader) {
 				if (is_mem_loads_aux_event(sibling))