linux-kernel - Re: [PATCH v3] relay: Add global mode support for buffer-only channels

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Message-ID: <201607131634.TH6GcXHQ%fengguang.wu@intel.com>
Date:	Wed, 13 Jul 2016 16:30:42 +0800
From:	kbuild test robot <lkp@...el.com>
To:	akash.goel@...el.com
Cc:	kbuild-all@...org, linux-kernel@...r.kernel.org,
	akpm@...ux-foundation.org, viro@...iv.linux.org.uk,
	Akash Goel <akash.goel@...el.com>,
	Eduard - Gabriel Munteanu <eduard.munteanu@...ux360.ro>,
	Tom Zanussi <tzanussi@...il.com>,
	Chris Wilson <chris@...is-wilson.co.uk>
Subject: Re: [PATCH v3] relay: Add global mode support for buffer-only
 channels

Hi,

[auto build test WARNING on v4.7-rc7]
[also build test WARNING on next-20160712]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/akash-goel-intel-com/relay-Add-global-mode-support-for-buffer-only-channels/20160713-153432
reproduce: make htmldocs

All warnings (new ones prefixed by >>):

   lib/crc32.c:148: warning: No description found for parameter 'tab)[256]'
   lib/crc32.c:148: warning: Excess function parameter 'tab' description in 'crc32_le_generic'
   lib/crc32.c:293: warning: No description found for parameter 'tab)[256]'
   lib/crc32.c:293: warning: Excess function parameter 'tab' description in 'crc32_be_generic'
   lib/crc32.c:1: warning: no structured comments found
>> kernel/relay.c:572: warning: bad line: 
>> kernel/relay.c:572: warning: bad line: 

vim +572 kernel/relay.c

   556	
   557	/**
   558	 *	relay_open - create a new relay channel
   559	 *	@base_filename: base name of files to create, %NULL for buffering only
   560	 *	@parent: dentry of parent directory, %NULL for root directory or buffer
   561	 *	@subbuf_size: size of sub-buffers
   562	 *	@n_subbufs: number of sub-buffers
   563	 *	@cb: client callback functions
   564	 *	@private_data: user-defined data
   565	 *
   566	 *	Returns channel pointer if successful, %NULL otherwise.
   567	 *
   568	 *	Creates a channel buffer for each cpu using the sizes and
   569	 *	attributes specified.  The created channel buffer files
   570	 *	will be named base_filename0...base_filenameN-1.  File
   571	 *	permissions will be %S_IRUSR.
 > 572	
   573	 *	If opening a buffer (@parent = NULL) that you later wish to register
   574	 *	in a filesystem, call relay_late_setup_files() once the @parent dentry
   575	 *	is available.
   576	 */
   577	struct rchan *relay_open(const char *base_filename,
   578				 struct dentry *parent,
   579				 size_t subbuf_size,
   580				 size_t n_subbufs,

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