From 8343aae66167df6708128a778e750d48dbe31302 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <peterz@infradead.org>
Date: Mon, 13 Nov 2017 14:28:33 +0100
Subject: perf/core: Remove perf_event::group_entry

Now that all the grouping is done with RB trees, we no longer need
group_entry and can replace the whole thing with sibling_list.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: David Carrillo-Cisneros <davidcc@google.com>
Cc: Dmitri Prokhorov <Dmitry.Prohorov@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Valery Cherepennikov <valery.cherepennikov@intel.com>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 include/linux/perf_event.h | 5 -----
 1 file changed, 5 deletions(-)

(limited to 'include/linux')

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 6e3f854a34d8..84044ec21b31 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -549,14 +549,9 @@ struct perf_event {
 	struct list_head		event_entry;
 
 	/*
-	 * XXX: group_entry and sibling_list should be mutually exclusive;
-	 * either you're a sibling on a group, or you're the group leader.
-	 * Rework the code to always use the same list element.
-	 *
 	 * Locked for modification by both ctx->mutex and ctx->lock; holding
 	 * either sufficies for read.
 	 */
-	struct list_head		group_entry;
 	struct list_head		sibling_list;
 	/*
 	 * Node on the pinned or flexible tree located at the event context;
-- 
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