diff options
| author | Ricardo B. Marliere <ricardo@marliere.net> | 2024-02-04 10:29:39 -0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-09-14 16:01:37 +0200 |
| commit | 3b5eba544a8af6826209d34daf6197b79b1333bf (patch) | |
| tree | e1b07db6ee8ed16979f90612975fb3f2c2168cd3 | |
| parent | d4a5d397c7fb1ca967e0da202cac196e7324f4ea (diff) | |
perf: make pmu_bus const
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@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240204-bus_cleanup-events-v1-1-c779d1639c3a@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | kernel/events/core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index 872122e074e5..155bb686c8ce 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -12216,7 +12216,7 @@ 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, }; |