[mmotm:master 225/303] lib/test_find_bit.c:54:2: note: in expansion of macro 'pr_err'

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

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tree:   git://git.cmpxchg.org/linux-mmotm.git master
head:   21c4efa7694b072dddce68082e16156f24e1c1f0
commit: c1b29b44f1052601fbede07cfdbdbb1ebc96fa48 [225/303] lib: test module for find_*_bit() functions
config: blackfin-allyesconfig (attached as .config)
compiler: bfin-uclinux-gcc (GCC) 6.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout c1b29b44f1052601fbede07cfdbdbb1ebc96fa48
        # save the attached .config to linux build tree
        make.cross ARCH=blackfin 

All warnings (new ones prefixed by >>):

   In file included from include/linux/printk.h:7:0,
                    from include/linux/kernel.h:14,
                    from lib/test_find_bit.c:28:
   lib/test_find_bit.c: In function 'test_find_first_bit':
>> include/linux/kern_levels.h:5:18: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'cycles_t {aka long long unsigned int}' [-Wformat=]
    #define KERN_SOH "\001"  /* ASCII Start Of Header */
                     ^
   include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH'
    #define KERN_ERR KERN_SOH "3" /* error conditions */
                     ^~~~~~~~
   include/linux/printk.h:302:9: note: in expansion of macro 'KERN_ERR'
     printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
            ^~~~~~~~
>> lib/test_find_bit.c:54:2: note: in expansion of macro 'pr_err'
     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':
>> include/linux/kern_levels.h:5:18: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'cycles_t {aka long long unsigned int}' [-Wformat=]
    #define KERN_SOH "\001"  /* ASCII Start Of Header */
                     ^
   include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH'
    #define KERN_ERR KERN_SOH "3" /* error conditions */
                     ^~~~~~~~
   include/linux/printk.h:302:9: note: in expansion of macro 'KERN_ERR'
     printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
            ^~~~~~~~
   lib/test_find_bit.c:68:2: note: in expansion of macro 'pr_err'
     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':
>> include/linux/kern_levels.h:5:18: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'cycles_t {aka long long unsigned int}' [-Wformat=]
    #define KERN_SOH "\001"  /* ASCII Start Of Header */
                     ^
   include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH'
    #define KERN_ERR KERN_SOH "3" /* error conditions */
                     ^~~~~~~~
   include/linux/printk.h:302:9: note: in expansion of macro 'KERN_ERR'
     printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
            ^~~~~~~~
   lib/test_find_bit.c:82:2: note: in expansion of macro 'pr_err'
     pr_err("find_next_zero_bit:\t%ld cycles,\t%ld iterations\n",
     ^~~~~~
   lib/test_find_bit.c: In function 'test_find_last_bit':
>> include/linux/kern_levels.h:5:18: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'cycles_t {aka long long unsigned int}' [-Wformat=]
    #define KERN_SOH "\001"  /* ASCII Start Of Header */
                     ^
   include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH'
    #define KERN_ERR KERN_SOH "3" /* error conditions */
                     ^~~~~~~~
   include/linux/printk.h:302:9: note: in expansion of macro 'KERN_ERR'
     printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
            ^~~~~~~~
   lib/test_find_bit.c:102:2: note: in expansion of macro 'pr_err'
     pr_err("find_last_bit:\t\t%ld cycles,\t%ld iterations\n", cycles, cnt);
     ^~~~~~

vim +/pr_err +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	

---
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