linux-kernel - Re: [RFC PATCH v3 20/37] bpf tools: Add bpf.c/h for common bpf operations

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Date:	Mon, 18 May 2015 11:39:47 -0700
From:	Alexei Starovoitov <ast@...mgrid.com>
To:	Wang Nan <wangnan0@...wei.com>, paulus@...ba.org,
	a.p.zijlstra@...llo.nl, mingo@...hat.com, acme@...nel.org,
	namhyung@...nel.org, jolsa@...nel.org, dsahern@...il.com,
	daniel@...earbox.net, brendan.d.gregg@...il.com,
	masami.hiramatsu.pt@...achi.com
CC:	lizefan@...wei.com, linux-kernel@...r.kernel.org, pi3orama@....com
Subject: Re: [RFC PATCH v3 20/37] bpf tools: Add bpf.c/h for common bpf operations

On 5/17/15 3:56 AM, Wang Nan wrote:
> This patch introduces bpf.c and bpf.h, which hold common functions
> issuing bpf syscall. The goal of these two files is to hide syscall
> completly from user.  Note that bpf.c and bpf.h only deal with kernel
> interface. Things like structure of 'map' section in the ELF object is
> not cared by of bpf.[ch].
>
> We first introduce bpf_create_map().
>
> Signed-off-by: Wang Nan <wangnan0@...wei.com>
...
> diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c
> new file mode 100644
> index 0000000..3dbe30d
> --- /dev/null
> +++ b/tools/lib/bpf/bpf.c
> @@ -0,0 +1,53 @@
> +/*
> + * common eBPF ELF operations.
> + *
> + * Copyright (C) 2015, Wang Nan <wangnan0@...wei.com>
> + * Copyright (C) 2015, Huawei Inc.
> + *
> + * Released under the GPL v2. (and only v2, not any later version)
> + */

same comment as in the other patch.

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