1 files changed, 11 insertions, 9 deletions
diff --git a/tools/perf/util/synthetic-events.c b/tools/perf/util/synthetic-events.c
index 2ae59c03ae77..b3e03a4c6652 100644
--- a/tools/perf/util/synthetic-events.c
+++ b/tools/perf/util/synthetic-events.c
@@ -1185,7 +1185,7 @@ int perf_event__synthesize_thread_map2(struct perf_tool *tool,
 }
 
 static void synthesize_cpus(struct cpu_map_entries *cpus,
-			    struct perf_cpu_map *map)
+			    const struct perf_cpu_map *map)
 {
 	int i, map_nr = perf_cpu_map__nr(map);
 
@@ -1196,7 +1196,7 @@ static void synthesize_cpus(struct cpu_map_entries *cpus,
 }
 
 static void synthesize_mask(struct perf_record_record_cpu_map *mask,
-			    struct perf_cpu_map *map, int max)
+			    const struct perf_cpu_map *map, int max)
 {
 	int i;
 
@@ -1207,12 +1207,12 @@ static void synthesize_mask(struct perf_record_record_cpu_map *mask,
 		set_bit(perf_cpu_map__cpu(map, i).cpu, mask->mask);
 }
 
-static size_t cpus_size(struct perf_cpu_map *map)
+static size_t cpus_size(const struct perf_cpu_map *map)
 {
 	return sizeof(struct cpu_map_entries) + perf_cpu_map__nr(map) * sizeof(u16);
 }
 
-static size_t mask_size(struct perf_cpu_map *map, int *max)
+static size_t mask_size(const struct perf_cpu_map *map, int *max)
 {
 	int i;
 
@@ -1229,7 +1229,8 @@ static size_t mask_size(struct perf_cpu_map *map, int *max)
 	return sizeof(struct perf_record_record_cpu_map) + BITS_TO_LONGS(*max) * sizeof(long);
 }
 
-void *cpu_map_data__alloc(struct perf_cpu_map *map, size_t *size, u16 *type, int *max)
+static void *cpu_map_data__alloc(const struct perf_cpu_map *map, size_t *size,
+				 u16 *type, int *max)
 {
 	size_t size_cpus, size_mask;
 	bool is_dummy = perf_cpu_map__empty(map);
@@ -1263,8 +1264,9 @@ void *cpu_map_data__alloc(struct perf_cpu_map *map, size_t *size, u16 *type, int
 	return zalloc(*size);
 }
 
-void cpu_map_data__synthesize(struct perf_record_cpu_map_data *data, struct perf_cpu_map *map,
-			      u16 type, int max)
+static void cpu_map_data__synthesize(struct perf_record_cpu_map_data *data,
+				     const struct perf_cpu_map *map,
+				     u16 type, int max)
 {
 	data->type = type;
 
@@ -1279,7 +1281,7 @@ void cpu_map_data__synthesize(struct perf_record_cpu_map_data *data, struct perf
 	}
 }
 
-static struct perf_record_cpu_map *cpu_map_event__new(struct perf_cpu_map *map)
+static struct perf_record_cpu_map *cpu_map_event__new(const struct perf_cpu_map *map)
 {
 	size_t size = sizeof(struct perf_record_cpu_map);
 	struct perf_record_cpu_map *event;
@@ -1299,7 +1301,7 @@ static struct perf_record_cpu_map *cpu_map_event__new(struct perf_cpu_map *map)
 }
 
 int perf_event__synthesize_cpu_map(struct perf_tool *tool,
-				   struct perf_cpu_map *map,
+				   const struct perf_cpu_map *map,
 				   perf_event__handler_t process,
 				   struct machine *machine)
 {