Messages in this thread | | | Date | Mon, 12 Feb 2024 20:41:15 +0800 | From | kernel test robot <> | Subject | Re: [PATCH v4 02/35] include: remove unnecessary #include directives |
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Hi Max,
kernel test robot noticed the following build errors:
[auto build test ERROR on next-20240209] [cannot apply to drm-misc/drm-misc-next media-tree/master mkp-scsi/for-next linus/master v6.8-rc4 v6.8-rc3 v6.8-rc2 v6.8-rc4] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Max-Kellermann/include-add-missing-includes/20240212-072756 base: next-20240209 patch link: https://lore.kernel.org/r/20240211231518.349442-3-max.kellermann%40ionos.com patch subject: [PATCH v4 02/35] include: remove unnecessary #include directives config: arm-randconfig-004-20240212 (https://download.01.org/0day-ci/archive/20240212/202402122015.7dytzCz3-lkp@intel.com/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project c08b90c50bcac9f3f563c79491c8dbcbe7c3b574) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240212/202402122015.7dytzCz3-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202402122015.7dytzCz3-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/gpu/drm/drm_modeset_lock.c:87:6: error: call to undeclared function 'stack_trace_save'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 87 | n = stack_trace_save(entries, ARRAY_SIZE(entries), 1); | ^ drivers/gpu/drm/drm_modeset_lock.c:87:6: note: did you mean 'stack_depot_save'? include/linux/stackdepot.h:132:22: note: 'stack_depot_save' declared here 132 | depot_stack_handle_t stack_depot_save(unsigned long *entries, | ^ >> drivers/gpu/drm/drm_modeset_lock.c:104:2: error: call to undeclared function 'stack_trace_snprint'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 104 | stack_trace_snprint(buf, PAGE_SIZE, entries, nr_entries, 2); | ^ drivers/gpu/drm/drm_modeset_lock.c:104:2: note: did you mean 'stack_depot_snprint'? include/linux/stackdepot.h:163:5: note: 'stack_depot_snprint' declared here 163 | int stack_depot_snprint(depot_stack_handle_t handle, char *buf, size_t size, | ^ 2 errors generated.
vim +/stack_trace_save +87 drivers/gpu/drm/drm_modeset_lock.c
35cf03508d8466 Rob Clark 2016-11-14 80 cd06ab2fd48f2c Jani Nikula 2021-10-01 81 #if IS_ENABLED(CONFIG_DRM_DEBUG_MODESET_LOCK) bcae3af286f49b Stephen Rothwell 2021-10-18 82 static noinline depot_stack_handle_t __drm_stack_depot_save(void) cd06ab2fd48f2c Jani Nikula 2021-10-01 83 { cd06ab2fd48f2c Jani Nikula 2021-10-01 84 unsigned long entries[8]; cd06ab2fd48f2c Jani Nikula 2021-10-01 85 unsigned int n; cd06ab2fd48f2c Jani Nikula 2021-10-01 86 cd06ab2fd48f2c Jani Nikula 2021-10-01 @87 n = stack_trace_save(entries, ARRAY_SIZE(entries), 1); cd06ab2fd48f2c Jani Nikula 2021-10-01 88 cd06ab2fd48f2c Jani Nikula 2021-10-01 89 return stack_depot_save(entries, n, GFP_NOWAIT | __GFP_NOWARN); cd06ab2fd48f2c Jani Nikula 2021-10-01 90 } cd06ab2fd48f2c Jani Nikula 2021-10-01 91 bcae3af286f49b Stephen Rothwell 2021-10-18 92 static void __drm_stack_depot_print(depot_stack_handle_t stack_depot) cd06ab2fd48f2c Jani Nikula 2021-10-01 93 { cd06ab2fd48f2c Jani Nikula 2021-10-01 94 struct drm_printer p = drm_debug_printer("drm_modeset_lock"); cd06ab2fd48f2c Jani Nikula 2021-10-01 95 unsigned long *entries; cd06ab2fd48f2c Jani Nikula 2021-10-01 96 unsigned int nr_entries; cd06ab2fd48f2c Jani Nikula 2021-10-01 97 char *buf; cd06ab2fd48f2c Jani Nikula 2021-10-01 98 cd06ab2fd48f2c Jani Nikula 2021-10-01 99 buf = kmalloc(PAGE_SIZE, GFP_NOWAIT | __GFP_NOWARN); cd06ab2fd48f2c Jani Nikula 2021-10-01 100 if (!buf) cd06ab2fd48f2c Jani Nikula 2021-10-01 101 return; cd06ab2fd48f2c Jani Nikula 2021-10-01 102 cd06ab2fd48f2c Jani Nikula 2021-10-01 103 nr_entries = stack_depot_fetch(stack_depot, &entries); cd06ab2fd48f2c Jani Nikula 2021-10-01 @104 stack_trace_snprint(buf, PAGE_SIZE, entries, nr_entries, 2); cd06ab2fd48f2c Jani Nikula 2021-10-01 105 cd06ab2fd48f2c Jani Nikula 2021-10-01 106 drm_printf(&p, "attempting to lock a contended lock without backoff:\n%s", buf); cd06ab2fd48f2c Jani Nikula 2021-10-01 107 cd06ab2fd48f2c Jani Nikula 2021-10-01 108 kfree(buf); cd06ab2fd48f2c Jani Nikula 2021-10-01 109 } 2dba5eb1c73b6b Vlastimil Babka 2022-01-21 110
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