Re: [PATCH v4 02/35] include: remove unnecessary #include directives
From: kernel test robot
Date: Mon Feb 12 2024 - 07:42:20 EST
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@xxxxxxxxx/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@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202402122015.7dytzCz3-lkp@xxxxxxxxx/
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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