netdev - Re: [PATCH bpf-next v2 1/7] bpf: rename stack trace map operations

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Date:   Wed, 10 Oct 2018 09:15:58 -0700
From:   Song Liu <liu.song.a23@...il.com>
To:     mauricio.vasquez@...ito.it
Cc:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Networking <netdev@...r.kernel.org>
Subject: Re: [PATCH bpf-next v2 1/7] bpf: rename stack trace map operations

On Wed, Oct 10, 2018 at 7:05 AM Mauricio Vasquez B
<mauricio.vasquez@...ito.it> wrote:
>
> In the following patches queue and stack maps (FIFO and LIFO
> datastructures) will be implemented.  In order to avoid confusion and
> a possible name clash rename stack_map_ops to stack_trace_map_ops
>
> Signed-off-by: Mauricio Vasquez B <mauricio.vasquez@...ito.it>

Acked-by: Song Liu <songliubraving@...com>

> ---
>  include/linux/bpf_types.h |    2 +-
>  kernel/bpf/stackmap.c     |    2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/include/linux/bpf_types.h b/include/linux/bpf_types.h
> index 5432f4c9f50e..658509daacd4 100644
> --- a/include/linux/bpf_types.h
> +++ b/include/linux/bpf_types.h
> @@ -51,7 +51,7 @@ BPF_MAP_TYPE(BPF_MAP_TYPE_LRU_HASH, htab_lru_map_ops)
>  BPF_MAP_TYPE(BPF_MAP_TYPE_LRU_PERCPU_HASH, htab_lru_percpu_map_ops)
>  BPF_MAP_TYPE(BPF_MAP_TYPE_LPM_TRIE, trie_map_ops)
>  #ifdef CONFIG_PERF_EVENTS
> -BPF_MAP_TYPE(BPF_MAP_TYPE_STACK_TRACE, stack_map_ops)
> +BPF_MAP_TYPE(BPF_MAP_TYPE_STACK_TRACE, stack_trace_map_ops)
>  #endif
>  BPF_MAP_TYPE(BPF_MAP_TYPE_ARRAY_OF_MAPS, array_of_maps_map_ops)
>  BPF_MAP_TYPE(BPF_MAP_TYPE_HASH_OF_MAPS, htab_of_maps_map_ops)
> diff --git a/kernel/bpf/stackmap.c b/kernel/bpf/stackmap.c
> index b2ade10f7ec3..90daf285de03 100644
> --- a/kernel/bpf/stackmap.c
> +++ b/kernel/bpf/stackmap.c
> @@ -600,7 +600,7 @@ static void stack_map_free(struct bpf_map *map)
>         put_callchain_buffers();
>  }
>
> -const struct bpf_map_ops stack_map_ops = {
> +const struct bpf_map_ops stack_trace_map_ops = {
>         .map_alloc = stack_map_alloc,
>         .map_free = stack_map_free,
>         .map_get_next_key = stack_map_get_next_key,
>