[Intel-gfx] [PATCH 16/21] drm/i915/selftests: huge page tests

[kbuild test robot]

Hi Matthew,

[auto build test WARNING on drm-intel/for-linux-next]
[also build test WARNING on next-20170726]
[cannot apply to v4.13-rc2]
[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/Matthew-Auld/huge-gtt-pages/20170727-150519
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: i386-randconfig-x013-201730 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All warnings (new ones prefixed by >>):

   In file included from include/linux/printk.h:6:0,
                    from include/linux/kernel.h:13,
                    from include/linux/list.h:8,
                    from include/linux/agp_backend.h:33,
                    from include/drm/drmP.h:35,
                    from drivers/gpu/drm/i915/i915_gem.c:28:
   drivers/gpu/drm/i915/selftests/huge_pages.c: In function 'igt_mock_ppgtt_huge_fill':
   include/linux/kern_levels.h:4:18: warning: format '%lx' expects argument of type 'long unsigned int', but argument 4 has type 'size_t {aka unsigned int}' [-Wformat=]
    #define KERN_SOH "\001"  /* ASCII Start Of Header */
                     ^
   include/linux/kern_levels.h:11:22: note: in expansion of macro 'KERN_SOH'
    #define KERN_WARNING KERN_SOH "4" /* warning conditions */
                         ^~~~~~~~
>> drivers/gpu/drm/i915/i915_selftest.h:102:21: note: in expansion of macro 'KERN_WARNING'
     __igt_timeout((t), KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
                        ^~~~~~~~~~~~
>> drivers/gpu/drm/i915/selftests/huge_pages.c:249:7: note: in expansion of macro 'igt_timeout'
      if (igt_timeout(end_time,
          ^~~~~~~~~~~
   In file included from drivers/gpu/drm/i915/i915_gem.c:5388:0:
   drivers/gpu/drm/i915/selftests/huge_pages.c: In function 'get_largest_page_size':
>> drivers/gpu/drm/i915/selftests/huge_pages.c:51:1: warning: control reaches end of non-void function [-Wreturn-type]
    }
    ^

vim +/KERN_WARNING +102 drivers/gpu/drm/i915/i915_selftest.h

953c7f82e Chris Wilson 2017-02-13  100  
953c7f82e Chris Wilson 2017-02-13  101  #define igt_timeout(t, fmt, ...) \
953c7f82e Chris Wilson 2017-02-13 @102  	__igt_timeout((t), KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
953c7f82e Chris Wilson 2017-02-13  103  

:::::: The code at line 102 was first introduced by commit
:::::: 953c7f82eb890085c60dbe22578e883d6837c674 drm/i915: Provide a hook for selftests

:::::: TO: Chris Wilson <chris at chris-wilson.co.uk>
:::::: CC: Chris Wilson <chris at chris-wilson.co.uk>

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