netdev - Re: [PATCH bpf-next v2 01/13] bpf: refactor bpf_iter_reg to have separate seq

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Message-ID: <20200723053840.tnqzumivvtjwy3tv@ast-mbp.dhcp.thefacebook.com>
Date:   Wed, 22 Jul 2020 22:38:40 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Yonghong Song <yhs@...com>
Cc:     bpf@...r.kernel.org, netdev@...r.kernel.org,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>, kernel-team@...com,
        Martin KaFai Lau <kafai@...com>
Subject: Re: [PATCH bpf-next v2 01/13] bpf: refactor bpf_iter_reg to have
 separate seq_info member

On Wed, Jul 22, 2020 at 11:49:45AM -0700, Yonghong Song wrote:
> diff --git a/kernel/bpf/map_iter.c b/kernel/bpf/map_iter.c
> index 8a7af11b411f..5812dd465c49 100644
> --- a/kernel/bpf/map_iter.c
> +++ b/kernel/bpf/map_iter.c
> @@ -85,17 +85,21 @@ static const struct seq_operations bpf_map_seq_ops = {
>  BTF_ID_LIST(btf_bpf_map_id)
>  BTF_ID(struct, bpf_map)
>  
> -static struct bpf_iter_reg bpf_map_reg_info = {
> -	.target			= "bpf_map",
> +static const struct bpf_iter_seq_info bpf_map_seq_info = {
>  	.seq_ops		= &bpf_map_seq_ops,
>  	.init_seq_private	= NULL,
>  	.fini_seq_private	= NULL,
>  	.seq_priv_size		= sizeof(struct bpf_iter_seq_map_info),
> +};
> +
> +static struct bpf_iter_reg bpf_map_reg_info = {
> +	.target			= "bpf_map",
>  	.ctx_arg_info_size	= 1,
>  	.ctx_arg_info		= {
>  		{ offsetof(struct bpf_iter__bpf_map, map),
>  		  PTR_TO_BTF_ID_OR_NULL },
>  	},
> +	.seq_info		= &bpf_map_seq_info,
>  };

ahh. this patch needs one more rebase, since I've just added prog_iter.
Could you please respin ? Thanks!