[PATCH] perf: make pmu_bus const

[Ricardo B. Marliere]

Now that the driver core can properly handle constant struct bus_type,
move the pmu_bus variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.

Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Suggested-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ricardo B. Marliere <ricardo@xxxxxxxxxxxx>
---
 kernel/events/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 59b332cce9e7..decd994bfca4 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -11434,7 +11434,7 @@ static const struct attribute_group *pmu_dev_groups[] = {
 };
 
 static int pmu_bus_running;
-static struct bus_type pmu_bus = {
+static const struct bus_type pmu_bus = {
 	.name		= "event_source",
 	.dev_groups	= pmu_dev_groups,
 };

---
base-commit: fdd041028f2294228e10610b4fca6a1a83ac683d
change-id: 20240204-bus_cleanup-events-765165264090

Best regards,
-- 
Ricardo B. Marliere <ricardo@xxxxxxxxxxxx>