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Date: Wed, 8 Feb 2017 12:41:03 +0800
From: kbuild test robot <lkp@...el.com>
To: Kees Cook <keescook@...omium.org>
Cc: kbuild-all@...org, Thomas Gleixner <tglx@...utronix.de>,
	Xing Gao <xgao01@...il.wm.edu>, Jessica Frazelle <me@...sfraz.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Jonathan Corbet <corbet@....net>,
	John Stultz <john.stultz@...aro.org>, Tejun Heo <tj@...nel.org>,
	Lai Jiangshan <jiangshanlai@...il.com>,
	Petr Mladek <pmladek@...e.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Nicolas Iooss <nicolas.iooss_linux@....org>,
	Nicolas Pitre <nicolas.pitre@...aro.org>,
	Richard Cochran <richardcochran@...il.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Michal Marek <mmarek@...e.com>,
	Josh Poimboeuf <jpoimboe@...hat.com>,
	Dmitry Vyukov <dvyukov@...gle.com>, Olof Johansson <olof@...om.net>,
	Shuah Khan <shuah@...nel.org>, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, kernel-hardening@...ts.openwall.com
Subject: Re: [PATCH] time: Remove CONFIG_TIMER_STATS

Hi Kees,

[auto build test WARNING on tip/timers/core]
[also build test WARNING on v4.10-rc7 next-20170207]
[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/Kees-Cook/time-Remove-CONFIG_TIMER_STATS/20170208-080916
reproduce: make htmldocs

All warnings (new ones prefixed by >>):

   make[3]: warning: jobserver unavailable: using -j1.  Add '+' to parent make rule.
   include/linux/init.h:1: warning: no structured comments found
>> include/linux/hrtimer.h:108: warning: Excess struct/union/enum/typedef member 'start_pid' description in 'hrtimer'
>> include/linux/hrtimer.h:108: warning: Excess struct/union/enum/typedef member 'start_site' description in 'hrtimer'
>> include/linux/hrtimer.h:108: warning: Excess struct/union/enum/typedef member 'start_comm' description in 'hrtimer'
   include/linux/kthread.h:26: warning: Excess function parameter '...' description in 'kthread_create'
   kernel/sys.c:1: warning: no structured comments found
   drivers/dma-buf/seqno-fence.c:1: warning: no structured comments found
   include/drm/drm_drv.h:409: warning: No description found for parameter 'load'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'firstopen'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'open'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'preclose'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'postclose'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'lastclose'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'unload'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'dma_ioctl'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'dma_quiescent'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'context_dtor'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'set_busid'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'irq_handler'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'irq_preinstall'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'irq_postinstall'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'irq_uninstall'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'debugfs_init'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'debugfs_cleanup'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'gem_open_object'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'gem_close_object'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'prime_handle_to_fd'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'prime_fd_to_handle'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'gem_prime_export'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'gem_prime_import'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'gem_prime_pin'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'gem_prime_unpin'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'gem_prime_res_obj'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'gem_prime_get_sg_table'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'gem_prime_import_sg_table'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'gem_prime_vmap'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'gem_prime_vunmap'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'gem_prime_mmap'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'vgaarb_irq'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'gem_vm_ops'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'major'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'minor'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'patchlevel'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'name'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'desc'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'date'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'driver_features'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'dev_priv_size'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'ioctls'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'num_ioctls'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'fops'
   include/drm/drm_drv.h:409: warning: No description found for parameter 'legacy_dev_list'
   drivers/media/dvb-core/dvb_frontend.h:677: warning: No description found for parameter 'refcount'
   drivers/char/tpm/tpm_vtpm_proxy.c:73: warning: No description found for parameter 'filp'
   drivers/char/tpm/tpm_vtpm_proxy.c:73: warning: No description found for parameter 'buf'
   drivers/char/tpm/tpm_vtpm_proxy.c:73: warning: No description found for parameter 'count'
   drivers/char/tpm/tpm_vtpm_proxy.c:73: warning: No description found for parameter 'off'
   drivers/char/tpm/tpm_vtpm_proxy.c:123: warning: No description found for parameter 'filp'
   drivers/char/tpm/tpm_vtpm_proxy.c:123: warning: No description found for parameter 'buf'
   drivers/char/tpm/tpm_vtpm_proxy.c:123: warning: No description found for parameter 'count'
   drivers/char/tpm/tpm_vtpm_proxy.c:123: warning: No description found for parameter 'off'
   drivers/char/tpm/tpm_vtpm_proxy.c:203: warning: No description found for parameter 'proxy_dev'
   sound/soc/soc-core.c:994: warning: No description found for parameter 'stream_name'
   Documentation/core-api/assoc_array.rst:13: WARNING: Enumerated list ends without a blank line; unexpected unindent.
   Documentation/doc-guide/sphinx.rst:110: ERROR: Unknown target name: "sphinx c domain".
   include/net/cfg80211.h:3154: ERROR: Unexpected indentation.
   include/net/mac80211.h:3214: ERROR: Unexpected indentation.
   include/net/mac80211.h:3217: WARNING: Block quote ends without a blank line; unexpected unindent.
   include/net/mac80211.h:3219: ERROR: Unexpected indentation.
   include/net/mac80211.h:3220: WARNING: Block quote ends without a blank line; unexpected unindent.
   include/net/mac80211.h:1773: ERROR: Unexpected indentation.
   include/net/mac80211.h:1777: WARNING: Block quote ends without a blank line; unexpected unindent.
   kernel/sched/fair.c:7587: WARNING: Inline emphasis start-string without end-string.
   kernel/time/timer.c:1198: ERROR: Unexpected indentation.
   kernel/time/timer.c:1200: ERROR: Unexpected indentation.
   kernel/time/timer.c:1201: WARNING: Block quote ends without a blank line; unexpected unindent.
   include/linux/wait.h:121: WARNING: Block quote ends without a blank line; unexpected unindent.
   include/linux/wait.h:124: ERROR: Unexpected indentation.
   include/linux/wait.h:126: WARNING: Block quote ends without a blank line; unexpected unindent.
   kernel/time/hrtimer.c:990: WARNING: Block quote ends without a blank line; unexpected unindent.
   kernel/signal.c:317: WARNING: Inline literal start-string without end-string.
   drivers/message/fusion/mptbase.c:5051: WARNING: Definition list ends without a blank line; unexpected unindent.
   drivers/tty/serial/serial_core.c:1897: WARNING: Definition list ends without a blank line; unexpected unindent.
   include/linux/spi/spi.h:369: ERROR: Unexpected indentation.
   drivers/usb/core/message.c:481: ERROR: Unexpected indentation.
   drivers/usb/core/message.c:482: WARNING: Block quote ends without a blank line; unexpected unindent.
   Documentation/driver-api/usb.rst:623: ERROR: Unknown target name: "usb_type".
   Documentation/driver-api/usb.rst:623: ERROR: Unknown target name: "usb_dir".
   Documentation/driver-api/usb.rst:623: ERROR: Unknown target name: "usb_recip".
   Documentation/driver-api/usb.rst:689: ERROR: Unknown target name: "usbdevfs_urb_type".
   sound/soc/soc-core.c:2508: ERROR: Unknown target name: "snd_soc_daifmt".
   sound/core/jack.c:312: ERROR: Unknown target name: "snd_jack_btn".
   Documentation/translations/ko_KR/howto.rst:293: WARNING: Inline emphasis start-string without end-string.
   WARNING: dvipng command 'dvipng' cannot be run (needed for math display), check the imgmath_dvipng setting

vim +108 include/linux/hrtimer.h

e2e680fb Viresh Kumar     2014-03-19   92   *		started the timer
54cdfdb4 Thomas Gleixner  2007-02-16   93   * @start_site:	timer statistics field to store the site where the timer
54cdfdb4 Thomas Gleixner  2007-02-16   94   *		was started
54cdfdb4 Thomas Gleixner  2007-02-16   95   * @start_comm: timer statistics field to store the name of the process which
54cdfdb4 Thomas Gleixner  2007-02-16   96   *		started the timer
c0a31329 Thomas Gleixner  2006-01-09   97   *
54cdfdb4 Thomas Gleixner  2007-02-16   98   * The hrtimer structure must be initialized by hrtimer_init()
c0a31329 Thomas Gleixner  2006-01-09   99   */
c0a31329 Thomas Gleixner  2006-01-09  100  struct hrtimer {
998adc3d John Stultz      2010-09-20  101  	struct timerqueue_node		node;
654c8e0b Arjan van de Ven 2008-09-01  102  	ktime_t				_softexpires;
c9cb2e3d Thomas Gleixner  2007-02-16  103  	enum hrtimer_restart		(*function)(struct hrtimer *);
3c8aa39d Thomas Gleixner  2007-02-16  104  	struct hrtimer_clock_base	*base;
203cbf77 Thomas Gleixner  2016-01-14  105  	u8				state;
203cbf77 Thomas Gleixner  2016-01-14  106  	u8				is_rel;
c0a31329 Thomas Gleixner  2006-01-09  107  };
c0a31329 Thomas Gleixner  2006-01-09 @108  
c0a31329 Thomas Gleixner  2006-01-09  109  /**
00362e33 Thomas Gleixner  2006-03-31  110   * struct hrtimer_sleeper - simple sleeper structure
00362e33 Thomas Gleixner  2006-03-31  111   * @timer:	embedded timer structure
00362e33 Thomas Gleixner  2006-03-31  112   * @task:	task to wake up
00362e33 Thomas Gleixner  2006-03-31  113   *
00362e33 Thomas Gleixner  2006-03-31  114   * task is set to NULL, when the timer expires.
00362e33 Thomas Gleixner  2006-03-31  115   */
00362e33 Thomas Gleixner  2006-03-31  116  struct hrtimer_sleeper {

:::::: The code at line 108 was first introduced by commit
:::::: c0a3132963db68f1fbbd0e316b73de100fee3f08 [PATCH] hrtimer: hrtimer core code

:::::: TO: Thomas Gleixner <tglx@...utronix.de>
:::::: CC: Linus Torvalds <torvalds@...osdl.org>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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