RE: [PATCH bpf-next 1/3] bpf: add batched ops support for percpu array

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Pedro Tammela wrote:
> Suggested-by: Jamal Hadi Salim <jhs@xxxxxxxxxxxx>
> Signed-off-by: Pedro Tammela <pctammela@xxxxxxxxxxxx>
> ---

A commit message describing some of the change details and a note it uses
the for-each cpu copies (same as normal syscall on percpu map) and not the
per-cpu ones would be nice. I at least had to go and check the generic_map*
batch operations.

Also something about why generic_map_delete_batch is omitted?

>  kernel/bpf/arraymap.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c
> index 463d25e1e67e..3c4105603f9d 100644
> --- a/kernel/bpf/arraymap.c
> +++ b/kernel/bpf/arraymap.c
> @@ -698,6 +698,8 @@ const struct bpf_map_ops percpu_array_map_ops = {
>  	.map_delete_elem = array_map_delete_elem,
>  	.map_seq_show_elem = percpu_array_map_seq_show_elem,
>  	.map_check_btf = array_map_check_btf,
> +	.map_lookup_batch = generic_map_lookup_batch,
> +	.map_update_batch = generic_map_update_batch,
>  	.map_set_for_each_callback_args = map_set_for_each_callback_args,
>  	.map_for_each_callback = bpf_for_each_array_elem,
>  	.map_btf_name = "bpf_array",
> -- 
> 2.25.1
> 





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