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@xxxxxxxxxxxxxxxxxx> :::::: CC: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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