[linux-next:master 12909/13131] lib/test_find_bit.c:54:2: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'cycles_t'

[kbuild test robot <fengguang.wu@intel.com>]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   c348a99ee55feac43b5b62a5957c6d8e2b6c3abe
commit: 09588b1f1d585719b641ca55e6a3ec3db8e06a07 [12909/13131] lib: test module for find_*_bit() functions
config: xtensa-allmodconfig (attached as .config)
compiler: xtensa-linux-gcc (GCC) 4.9.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 09588b1f1d585719b641ca55e6a3ec3db8e06a07
        # save the attached .config to linux build tree
        make.cross ARCH=xtensa 

All warnings (new ones prefixed by >>):

   lib/test_find_bit.c: In function 'test_find_first_bit':
>> lib/test_find_bit.c:54:2: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'cycles_t' [-Wformat=]
     pr_err("find_first_bit:\t\t%ld cycles,\t%ld iterations\n", cycles, cnt);
     ^
   lib/test_find_bit.c: In function 'test_find_next_bit':
   lib/test_find_bit.c:68:2: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'cycles_t' [-Wformat=]
     pr_err("find_next_bit:\t\t%ld cycles,\t%ld iterations\n", cycles, cnt);
     ^
   lib/test_find_bit.c: In function 'test_find_next_zero_bit':
   lib/test_find_bit.c:82:2: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'cycles_t' [-Wformat=]
     pr_err("find_next_zero_bit:\t%ld cycles,\t%ld iterations\n",
     ^
   lib/test_find_bit.c: In function 'test_find_last_bit':
   lib/test_find_bit.c:102:2: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'cycles_t' [-Wformat=]
     pr_err("find_last_bit:\t\t%ld cycles,\t%ld iterations\n", cycles, cnt);
     ^

vim +54 lib/test_find_bit.c

    38	
    39	/*
    40	 * This is Schlemiel the Painter's algorithm. It should be called after
    41	 * all other tests for the same bitmap because it sets all bits of bitmap to 1.
    42	 */
    43	static int __init test_find_first_bit(void *bitmap, unsigned long len)
    44	{
    45		unsigned long i, cnt;
    46		cycles_t cycles;
    47	
    48		cycles = get_cycles();
    49		for (cnt = i = 0; i < len; cnt++) {
    50			i = find_first_bit(bitmap, len);
    51			__clear_bit(i, bitmap);
    52		}
    53		cycles = get_cycles() - cycles;
  > 54		pr_err("find_first_bit:\t\t%ld cycles,\t%ld iterations\n", cycles, cnt);
    55	
    56		return 0;
    57	}
    58	

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

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