arch/arc/include/asm/bug.h:22:2: error: implicit declaration of function 'pr_warn'; did you mean

From: kernel test robot
Date: Tue Aug 25 2020 - 18:29:56 EST

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Hi Evan,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 6a9dc5fd6170d0a41c8a14eb19e63d94bea5705a
commit: 55084d7f4022439de3077b239eed1eb7515fe3ed drm/amd/powerplay: forbid to use pr_err/warn/info/debug
date: 8 weeks ago
config: arc-randconfig-r005-20200826 (attached as .config)
compiler: arc-elf-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 55084d7f4022439de3077b239eed1eb7515fe3ed
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

In file included from include/linux/bug.h:5,
from include/linux/mmdebug.h:5,
from include/linux/gfp.h:5,
from include/linux/firmware.h:7,
from drivers/gpu/drm/amd/amdgpu/../powerplay/smu_v11_0.c:23:
drivers/gpu/drm/amd/amdgpu/../powerplay/smu_v11_0.c: In function 'smu_v11_0_init_microcode':
>> arch/arc/include/asm/bug.h:22:2: error: implicit declaration of function 'pr_warn'; did you mean 'pci_warn'? [-Werror=implicit-function-declaration]
22 | pr_warn("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \
| ^~~~~~~
drivers/gpu/drm/amd/amdgpu/../powerplay/smu_v11_0.c:176:3: note: in expansion of macro 'BUG'
176 | BUG();
| ^~~
In file included from drivers/gpu/drm/amd/amdgpu/../powerplay/smu_v11_0.c:30:
At top level:
drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:190:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=]
190 | static const int sched_policy = KFD_SCHED_POLICY_HWS;
| ^~~~~~~~~~~~
In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dc_types.h:33,
from drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services_types.h:30,
from drivers/gpu/drm/amd/amdgpu/../include/dm_pp_interface.h:26,
from drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:65,
from drivers/gpu/drm/amd/amdgpu/../powerplay/smu_v11_0.c:30:
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:76:32: warning: 'dc_fixpt_ln2_div_2' defined but not used [-Wunused-const-variable=]
76 | static const struct fixed31_32 dc_fixpt_ln2_div_2 = { 1488522236LL };
| ^~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:75:32: warning: 'dc_fixpt_ln2' defined but not used [-Wunused-const-variable=]
75 | static const struct fixed31_32 dc_fixpt_ln2 = { 2977044471LL };
| ^~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:74:32: warning: 'dc_fixpt_e' defined but not used [-Wunused-const-variable=]
74 | static const struct fixed31_32 dc_fixpt_e = { 11674931555LL };
| ^~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:73:32: warning: 'dc_fixpt_two_pi' defined but not used [-Wunused-const-variable=]
73 | static const struct fixed31_32 dc_fixpt_two_pi = { 26986075409LL };
| ^~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:72:32: warning: 'dc_fixpt_pi' defined but not used [-Wunused-const-variable=]
72 | static const struct fixed31_32 dc_fixpt_pi = { 13493037705LL };
| ^~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:67:32: warning: 'dc_fixpt_zero' defined but not used [-Wunused-const-variable=]
67 | static const struct fixed31_32 dc_fixpt_zero = { 0 };
| ^~~~~~~~~~~~~
cc1: some warnings being treated as errors
--
drivers/gpu/drm/amd/amdgpu/../powerplay/arcturus_ppt.c: In function 'arcturus_is_dpm_running':
drivers/gpu/drm/amd/amdgpu/../powerplay/arcturus_ppt.c:2112:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable]
2112 | int ret = 0;
| ^~~
In file included from include/linux/bug.h:5,
from include/linux/mmdebug.h:5,
from include/linux/gfp.h:5,
from include/linux/firmware.h:7,
from drivers/gpu/drm/amd/amdgpu/../powerplay/arcturus_ppt.c:24:
drivers/gpu/drm/amd/amdgpu/../powerplay/arcturus_ppt.c: In function 'arcturus_fill_eeprom_i2c_req':
>> arch/arc/include/asm/bug.h:22:2: error: implicit declaration of function 'pr_warn'; did you mean 'pci_warn'? [-Werror=implicit-function-declaration]
22 | pr_warn("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \
| ^~~~~~~
include/asm-generic/bug.h:62:57: note: in expansion of macro 'BUG'
62 | #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
| ^~~
drivers/gpu/drm/amd/amdgpu/../powerplay/arcturus_ppt.c:2157:2: note: in expansion of macro 'BUG_ON'
2157 | BUG_ON(numbytes > MAX_SW_I2C_COMMANDS);
| ^~~~~~
In file included from drivers/gpu/drm/amd/amdgpu/../powerplay/arcturus_ppt.c:30:
At top level:
drivers/gpu/drm/amd/amdgpu/../powerplay/inc/smu_v11_0.h:68:43: warning: 'smu11_thermal_policy' defined but not used [-Wunused-const-variable=]
68 | static const struct smu_temperature_range smu11_thermal_policy[] =
| ^~~~~~~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/amd/amdgpu/../powerplay/arcturus_ppt.c:25:
drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:190:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=]
190 | static const int sched_policy = KFD_SCHED_POLICY_HWS;
| ^~~~~~~~~~~~
In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dc_types.h:33,
from drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services_types.h:30,
from drivers/gpu/drm/amd/amdgpu/../include/dm_pp_interface.h:26,
from drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:65,
from drivers/gpu/drm/amd/amdgpu/../powerplay/arcturus_ppt.c:25:
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:76:32: warning: 'dc_fixpt_ln2_div_2' defined but not used [-Wunused-const-variable=]
76 | static const struct fixed31_32 dc_fixpt_ln2_div_2 = { 1488522236LL };
| ^~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:75:32: warning: 'dc_fixpt_ln2' defined but not used [-Wunused-const-variable=]
75 | static const struct fixed31_32 dc_fixpt_ln2 = { 2977044471LL };
| ^~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:74:32: warning: 'dc_fixpt_e' defined but not used [-Wunused-const-variable=]
74 | static const struct fixed31_32 dc_fixpt_e = { 11674931555LL };
| ^~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:73:32: warning: 'dc_fixpt_two_pi' defined but not used [-Wunused-const-variable=]
73 | static const struct fixed31_32 dc_fixpt_two_pi = { 26986075409LL };
| ^~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:72:32: warning: 'dc_fixpt_pi' defined but not used [-Wunused-const-variable=]
72 | static const struct fixed31_32 dc_fixpt_pi = { 13493037705LL };
| ^~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:67:32: warning: 'dc_fixpt_zero' defined but not used [-Wunused-const-variable=]
67 | static const struct fixed31_32 dc_fixpt_zero = { 0 };
| ^~~~~~~~~~~~~
cc1: some warnings being treated as errors

# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=55084d7f4022439de3077b239eed1eb7515fe3ed
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 55084d7f4022439de3077b239eed1eb7515fe3ed
vim +22 arch/arc/include/asm/bug.h

3be80aaef861a60 Vineet Gupta 2013-01-18 20
3be80aaef861a60 Vineet Gupta 2013-01-18 21 #define BUG() do { \
3872d05299b5ab5 Vineet Gupta 2014-09-24 @22 pr_warn("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \
173a3efd3edb2ef Arnd Bergmann 2018-02-21 23 barrier_before_unreachable(); \
173a3efd3edb2ef Arnd Bergmann 2018-02-21 24 __builtin_trap(); \
3be80aaef861a60 Vineet Gupta 2013-01-18 25 } while (0)
3be80aaef861a60 Vineet Gupta 2013-01-18 26

:::::: The code at line 22 was first introduced by commit
:::::: 3872d05299b5ab58446f484df18f71cab4628c50 ARC: BUG() dumps stack after @msg (@msg now same as in generic BUG))

:::::: TO: Vineet Gupta <vgupta@xxxxxxxxxxxx>
:::::: CC: Vineet Gupta <vgupta@xxxxxxxxxxxx>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip

Next message: Rob Herring: "Re: [PATCH v2 1/3] dt-bindings: vendor-prefixes: Add Xiphera vendor prefix"
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