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Date: Thu, 15 Sep 2016 06:34:55 +0800
From: kbuild test robot <lkp@intel.com>
To: Nicolas Pitre <nicolas.pitre@linaro.org>
Cc: kbuild-all@01.org, Thomas Gleixner <tglx@linutronix.de>,
        John Stultz <john.stultz@linaro.org>,
        Josh Triplett <josh@joshtriplett.org>,
        Richard Cochran <richardcochran@gmail.com>,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2) posix-timers: make it configurable
Message-ID: <201609150604.8Q9X7qWD%fengguang.wu@intel.com>
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Hi Nicolas,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.8-rc6 next-20160914]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
[Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
[Check https://git-scm.com/docs/git-format-patch for more information]

url:    https://github.com/0day-ci/linux/commits/Nicolas-Pitre/PATCH-v2-posix-timers-make-it-configurable/20160915-045004
config: sparc64-allnoconfig (attached as .config)
compiler: sparc64-linux-gnu-gcc (Debian 5.4.0-6) 5.4.0 20160609
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=sparc64 

All errors (new ones prefixed by >>):

   kernel/compat.c: In function 'compat_clock_nanosleep_restart':
>> kernel/compat.c:824:8: error: implicit declaration of function 'clock_nanosleep_restart' [-Werror=implicit-function-declaration]
     err = clock_nanosleep_restart(restart);
           ^
   cc1: some warnings being treated as errors

vim +/clock_nanosleep_restart +824 kernel/compat.c

1711ef38 Toyo Abe        2006-09-29  818  	struct timespec tu;
dce44e03 H. Peter Anvin  2014-02-02  819  	struct compat_timespec __user *rmtp = restart->nanosleep.compat_rmtp;
1711ef38 Toyo Abe        2006-09-29  820  
029a07e0 Thomas Gleixner 2008-02-10  821  	restart->nanosleep.rmtp = (struct timespec __user *) &tu;
1711ef38 Toyo Abe        2006-09-29  822  	oldfs = get_fs();
1711ef38 Toyo Abe        2006-09-29  823  	set_fs(KERNEL_DS);
1711ef38 Toyo Abe        2006-09-29 @824  	err = clock_nanosleep_restart(restart);
1711ef38 Toyo Abe        2006-09-29  825  	set_fs(oldfs);
1711ef38 Toyo Abe        2006-09-29  826  
1711ef38 Toyo Abe        2006-09-29  827  	if ((err == -ERESTART_RESTARTBLOCK) && rmtp &&

:::::: The code at line 824 was first introduced by commit
:::::: 1711ef3866b0360e102327389fe4b76c849bbe83 [PATCH] posix-timers: Fix clock_nanosleep() doesn't return the remaining time in compatibility mode

:::::: TO: Toyo Abe <toyoa@mvista.com>
:::::: CC: Linus Torvalds <torvalds@g5.osdl.org>

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

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