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bpf: Copy map value using copy_map_value_long for percpu_cgroup_storage maps

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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: Leon Hwang <leon.hwang@linux.dev>
Link: https://lore.kernel.org/r/20260107022022.12843-5-leon.hwang@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Leon Hwang
2026-01-07 10:20:19 +08:00
committed by Alexei Starovoitov
parent c6936161fd
commit 8526397c3c
1 changed files with 2 additions and 4 deletions
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6
kernel/bpf/local_storage.c
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@@ -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();