linux-kernel - Re: [RFC PATCH v4 16/29] bpf tools: Create eBPF maps defined in an object file

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Message-ID: <20150528015713.GG20764@Alexeis-MacBook-Pro.local>
Date:	Wed, 27 May 2015 18:57:13 -0700
From:	Alexei Starovoitov <alexei.starovoitov@...il.com>
To:	Wang Nan <wangnan0@...wei.com>
Cc:	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, lizefan@...wei.com,
	linux-kernel@...r.kernel.org, pi3orama@....com
Subject: Re: [RFC PATCH v4 16/29] bpf tools: Create eBPF maps defined in an
 object file

On Wed, May 27, 2015 at 05:19:51AM +0000, Wang Nan wrote:
> This patch creates maps based on 'map' section in object file using
> bpf_create_map(), and store the fds into an array in
> 'struct bpf_object'. Since the byte order of the object may differ
> from the host, swap map definition before processing.

obsolete commit log?
The code doesn't do byteswap and it shouldn't.
The other patch already checked for matching endiannes.

> This is the first patch in 'loading' phase. Previous patches parse ELF
> object file and create needed data structure, but doesn't play with
> kernel. They belong to 'opening' phase.
> 
> Signed-off-by: Wang Nan <wangnan0@...wei.com>
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