linux-kernel - [PATCH 5/6] perf maps: Add missing map__set

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Message-ID: <20250227215455.30514-6-acme@kernel.org>
Date: Thu, 27 Feb 2025 18:54:54 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Namhyung Kim <namhyung@...nel.org>
Cc: Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	James Clark <james.clark@...aro.org>,
	Jiri Olsa <jolsa@...nel.org>,
	Ian Rogers <irogers@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Kan Liang <kan.liang@...ux.intel.com>,
	Clark Williams <williams@...hat.com>,
	linux-kernel@...r.kernel.org,
	linux-perf-users@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: [PATCH 5/6] perf maps: Add missing map__set_kmap() when replacing a kernel map

From: Arnaldo Carvalho de Melo <acme@...hat.com>

Since in this case __maps__insert_sorted() is not called and thus
doesn't have the opportunity to do the needed map__set_kmap() calls on
the new map.

Acked-by: Namhyung Kim <namhyung@...nel.org>
Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Ian Rogers <irogers@...gle.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: James Clark <james.clark@...aro.org>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Kan Liang <kan.liang@...ux.intel.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Link: https://lore.kernel.org/lkml/Z7-May5w9VQd5QD0@x1
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/maps.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/perf/util/maps.c b/tools/perf/util/maps.c
index dffc54a8a29bf3b0..081466b3b4676044 100644
--- a/tools/perf/util/maps.c
+++ b/tools/perf/util/maps.c
@@ -948,6 +948,8 @@ static int __maps__fixup_overlap_and_insert(struct maps *maps, struct map *new)
 					maps_by_name[ni] = map__get(new);
 				}
 
+				map__set_kmap(new, maps);
+
 				check_invariants(maps);
 				return err;
 			}
-- 
2.47.0