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From: Song Liu <songliubraving@fb.com>
To: Anton Protopopov <a.s.protopopov@gmail.com>
Cc: Andrii Nakryiko <andriin@fb.com>,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>, Martin Lau <kafai@fb.com>,
	"Yonghong Song" <yhs@fb.com>, Networking <netdev@vger.kernel.org>,
	bpf <bpf@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH bpf-next] tools: libbpf: update extended attributes version of bpf_object__open()
Date: Thu, 29 Aug 2019 20:02:32 +0000	[thread overview]
Message-ID: <796E4DA8-4844-4708-866E-A8AE9477E94E@fb.com> (raw)
In-Reply-To: <20190815000330.12044-1-a.s.protopopov@gmail.com>



> On Aug 14, 2019, at 5:03 PM, Anton Protopopov <a.s.protopopov@gmail.com> wrote:
> 

[...]

> 
> 
> int bpf_object__unload(struct bpf_object *obj)
> diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h
> index e8f70977d137..634f278578dd 100644
> --- a/tools/lib/bpf/libbpf.h
> +++ b/tools/lib/bpf/libbpf.h
> @@ -63,8 +63,13 @@ LIBBPF_API libbpf_print_fn_t libbpf_set_print(libbpf_print_fn_t fn);
> struct bpf_object;
> 
> struct bpf_object_open_attr {
> -	const char *file;
> +	union {
> +		const char *file;
> +		const char *obj_name;
> +	};
> 	enum bpf_prog_type prog_type;
> +	void *obj_buf;
> +	size_t obj_buf_sz;
> };

I think this would break dynamically linked libbpf. No?

Thanks,
Song


  reply	other threads:[~2019-08-29 20:02 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-15  0:03 [PATCH bpf-next] tools: libbpf: update extended attributes version of bpf_object__open() Anton Protopopov
2019-08-29 20:02 ` Song Liu [this message]
2019-08-30 18:53   ` Anton Protopopov
2019-08-30 19:24     ` Song Liu
2019-09-27 13:12       ` KP Singh

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