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[tip:WIP.sched/core 117/162] arch/mips/netlogic/xlp/cop2-ex.c:97:8: error: implicit declaration of function 'capable'

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.sched/core
head:   38c7fc1c938c469af27c032bf4eab0c4aaf4eba1
commit: 2a0a69844cd3beeb27830659a18397ef05e4f266 [117/162] sched/headers: Remove <linux/cred.h> inclusion from <linux/sched.h>
config: mips-nlm_xlp_defconfig (attached as .config)
compiler: mips64-linux-gnuabi64-gcc (Debian 6.1.1-9) 6.1.1 20160705
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
        git checkout 2a0a69844cd3beeb27830659a18397ef05e4f266
        # save the attached .config to linux build tree
        make.cross ARCH=mips 

All errors (new ones prefixed by >>):

   arch/mips/netlogic/xlp/cop2-ex.c: In function 'nlm_cu2_call':
>> arch/mips/netlogic/xlp/cop2-ex.c:97:8: error: implicit declaration of function 'capable' [-Werror=implicit-function-declaration]
      if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO))
           ^~~~~~~
>> arch/mips/netlogic/xlp/cop2-ex.c:97:16: error: 'CAP_SYS_ADMIN' undeclared (first use in this function)
      if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO))
                   ^~~~~~~~~~~~~
   arch/mips/netlogic/xlp/cop2-ex.c:97:16: note: each undeclared identifier is reported only once for each function it appears in
>> arch/mips/netlogic/xlp/cop2-ex.c:97:43: error: 'CAP_SYS_RAWIO' undeclared (first use in this function)
      if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO))
                                              ^~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/capable +97 arch/mips/netlogic/xlp/cop2-ex.c

5649d37c Jayachandran C 2013-06-10   81  		".set	pop\n"
5649d37c Jayachandran C 2013-06-10   82  		: : "m"(*r), "r"(r->tx), "r"(r->rx));
5649d37c Jayachandran C 2013-06-10   83  
5649d37c Jayachandran C 2013-06-10   84  	__write_32bit_c2_register($2, 0, r->tx_msg_status);
5649d37c Jayachandran C 2013-06-10   85  	rstat = __read_32bit_c2_register($3, 0) & 0xf0000000u;
5649d37c Jayachandran C 2013-06-10   86  	__write_32bit_c2_register($3, 0, r->rx_msg_status | rstat);
5649d37c Jayachandran C 2013-06-10   87  }
5649d37c Jayachandran C 2013-06-10   88  
5649d37c Jayachandran C 2013-06-10   89  static int nlm_cu2_call(struct notifier_block *nfb, unsigned long action,
5649d37c Jayachandran C 2013-06-10   90  	void *data)
5649d37c Jayachandran C 2013-06-10   91  {
5649d37c Jayachandran C 2013-06-10   92  	unsigned long flags;
5649d37c Jayachandran C 2013-06-10   93  	unsigned int status;
5649d37c Jayachandran C 2013-06-10   94  
5649d37c Jayachandran C 2013-06-10   95  	switch (action) {
5649d37c Jayachandran C 2013-06-10   96  	case CU2_EXCEPTION:
5649d37c Jayachandran C 2013-06-10  @97  		if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO))
5649d37c Jayachandran C 2013-06-10   98  			break;
5649d37c Jayachandran C 2013-06-10   99  		local_irq_save(flags);
5649d37c Jayachandran C 2013-06-10  100  		KSTK_STATUS(current) |= ST0_CU2;
5649d37c Jayachandran C 2013-06-10  101  		status = read_c0_status();
5649d37c Jayachandran C 2013-06-10  102  		write_c0_status(status | ST0_CU2);
5649d37c Jayachandran C 2013-06-10  103  		nlm_cop2_restore(&(current->thread.cp2));
5649d37c Jayachandran C 2013-06-10  104  		write_c0_status(status & ~ST0_CU2);
5649d37c Jayachandran C 2013-06-10  105  		local_irq_restore(flags);

:::::: The code at line 97 was first introduced by commit
:::::: 5649d37c2b23ad6545709c976b9abbfa8d5f4e11 MIPS: Netlogic: COP2 save/restore code

:::::: TO: Jayachandran C <jchandra@broadcom.com>
:::::: CC: Ralf Baechle <ralf@linux-mips.org>

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

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[tip:WIP.sched/core 117/162] arch/mips/netlogic/xlp/cop2-ex.c:97:8:  error: implicit declaration of function 'capable' kbuild test robot <fengguang.wu@intel.com> - 2017-02-06 10:00 +0100

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