linux-kernel - Re: [PATCH v3 02/30] tools lib bpf: Add private field for bpf

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Date:   Sat, 26 Nov 2016 09:11:16 -0800
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Wang Nan <wangnan0@...wei.com>
Cc:     acme@...hat.com, ast@...com, lizefan@...wei.com,
        hekuang@...wei.com, linux-kernel@...r.kernel.org, pi3orama@....com,
        joe@....org
Subject: Re: [PATCH v3 02/30] tools lib bpf: Add private field for bpf_object

On Sat, Nov 26, 2016 at 07:03:26AM +0000, Wang Nan wrote:
> Similar to other classes defined in libbpf.h (map and program), allow
> 'object' class has its own private data.
> 
> Signed-off-by: Wang Nan <wangnan0@...wei.com>
> Cc: Alexei Starovoitov <ast@...com>
> Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
> Cc: Li Zefan <lizefan@...wei.com>
> ---
>  tools/lib/bpf/libbpf.c | 23 +++++++++++++++++++++++
>  tools/lib/bpf/libbpf.h |  5 +++++
>  2 files changed, 28 insertions(+)
> 
> diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
> index 96a2b2f..866d5cd 100644
> --- a/tools/lib/bpf/libbpf.c
> +++ b/tools/lib/bpf/libbpf.c
> @@ -229,6 +229,10 @@ struct bpf_object {
>  	 * all objects.
>  	 */
>  	struct list_head list;
> +
> +	void *priv;
> +	bpf_object_clear_priv_t clear_priv;
> +
>  	char path[];
>  };

Acked-by: Alexei Starovoitov <ast@...nel.org>