Re: Linux 6.6.56

[Greg Kroah-Hartman]

diff --git a/Makefile b/Makefile
index 6e297758842d..301c5694995c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,9 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 6
 PATCHLEVEL = 6
-SUBLEVEL = 55
+SUBLEVEL = 56
 EXTRAVERSION =
-NAME = Hurr durr I'ma ninja sloth
+NAME = Pinguïn Aangedreven
 
 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 24dead4e3065..7c6874804660 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -2536,12 +2536,8 @@ static void save_lbr_cursor_node(struct thread *thread,
 		cursor->curr = cursor->first;
 	else
 		cursor->curr = cursor->curr->next;
-
-	map_symbol__exit(&lbr_stitch->prev_lbr_cursor[idx].ms);
 	memcpy(&lbr_stitch->prev_lbr_cursor[idx], cursor->curr,
 	       sizeof(struct callchain_cursor_node));
-	lbr_stitch->prev_lbr_cursor[idx].ms.maps = maps__get(cursor->curr->ms.maps);
-	lbr_stitch->prev_lbr_cursor[idx].ms.map = map__get(cursor->curr->ms.map);
 
 	lbr_stitch->prev_lbr_cursor[idx].valid = true;
 	cursor->pos++;
@@ -2752,9 +2748,6 @@ static bool has_stitched_lbr(struct thread *thread,
 		memcpy(&stitch_node->cursor, &lbr_stitch->prev_lbr_cursor[i],
 		       sizeof(struct callchain_cursor_node));
 
-		stitch_node->cursor.ms.maps = maps__get(lbr_stitch->prev_lbr_cursor[i].ms.maps);
-		stitch_node->cursor.ms.map = map__get(lbr_stitch->prev_lbr_cursor[i].ms.map);
-
 		if (callee)
 			list_add(&stitch_node->node, &lbr_stitch->lists);
 		else
@@ -2778,8 +2771,6 @@ static bool alloc_lbr_stitch(struct thread *thread, unsigned int max_lbr)
 	if (!thread__lbr_stitch(thread)->prev_lbr_cursor)
 		goto free_lbr_stitch;
 
-	thread__lbr_stitch(thread)->prev_lbr_cursor_size = max_lbr + 1;
-
 	INIT_LIST_HEAD(&thread__lbr_stitch(thread)->lists);
 	INIT_LIST_HEAD(&thread__lbr_stitch(thread)->free_lists);
 
@@ -2835,12 +2826,8 @@ static int resolve_lbr_callchain_sample(struct thread *thread,
 						max_lbr, callee);
 
 		if (!stitched_lbr && !list_empty(&lbr_stitch->lists)) {
-			struct stitch_list *stitch_node;
-
-			list_for_each_entry(stitch_node, &lbr_stitch->lists, node)
-				map_symbol__exit(&stitch_node->cursor.ms);
-
-			list_splice_init(&lbr_stitch->lists, &lbr_stitch->free_lists);
+			list_replace_init(&lbr_stitch->lists,
+					  &lbr_stitch->free_lists);
 		}
 		memcpy(&lbr_stitch->prev_sample, sample, sizeof(*sample));
 	}
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 6817b99e550b..61e9f449c725 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -478,7 +478,6 @@ void thread__free_stitch_list(struct thread *thread)
 		return;
 
 	list_for_each_entry_safe(pos, tmp, &lbr_stitch->lists, node) {
-		map_symbol__exit(&pos->cursor.ms);
 		list_del_init(&pos->node);
 		free(pos);
 	}
@@ -488,9 +487,6 @@ void thread__free_stitch_list(struct thread *thread)
 		free(pos);
 	}
 
-	for (unsigned int i = 0 ; i < lbr_stitch->prev_lbr_cursor_size; i++)
-		map_symbol__exit(&lbr_stitch->prev_lbr_cursor[i].ms);
-
 	zfree(&lbr_stitch->prev_lbr_cursor);
 	free(thread__lbr_stitch(thread));
 	thread__set_lbr_stitch(thread, NULL);
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index a5423f834dc9..0df775b5c110 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -28,7 +28,6 @@ struct lbr_stitch {
 	struct list_head		free_lists;
 	struct perf_sample		prev_sample;
 	struct callchain_cursor_node	*prev_lbr_cursor;
-	unsigned int prev_lbr_cursor_size;
 };
 
 struct thread_rb_node {