Commit 8526397c authored by Leon Hwang's avatar Leon Hwang Committed by Alexei Starovoitov
Browse files

bpf: Copy map value using copy_map_value_long for percpu_cgroup_storage maps 



Copy map value using 'copy_map_value_long()'. It's to keep consistent
style with the way of other percpu maps.

No functional change intended.

Signed-off-by: default avatarLeon Hwang <leon.hwang@linux.dev>
Link: https://lore.kernel.org/r/20260107022022.12843-5-leon.hwang@linux.dev


Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent c6936161

kernel/bpf/local_storage.c

+2 −4
Original line number Diff line number Diff line
@@ -200,8 +200,7 @@ int bpf_percpu_cgroup_storage_copy(struct bpf_map *_map, void *key, 
	 */

	size = round_up(_map->value_size, 8);

	for_each_possible_cpu(cpu) {

		bpf_long_memcpy(value + off,

				per_cpu_ptr(storage->percpu_buf, cpu), size);

		copy_map_value_long(_map, value + off, per_cpu_ptr(storage->percpu_buf, cpu));

		off += size;

	}

	rcu_read_unlock();
@@ -234,8 +233,7 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *_map, void *key, 
	 */

	size = round_up(_map->value_size, 8);

	for_each_possible_cpu(cpu) {

		bpf_long_memcpy(per_cpu_ptr(storage->percpu_buf, cpu),

				value + off, size);

		copy_map_value_long(_map, per_cpu_ptr(storage->percpu_buf, cpu), value + off);

		off += size;

	}

	rcu_read_unlock();