* [jimc:dd-classmaps-v10b-akpm 30/40] include/linux/dynamic_debug.h:519:9: error: '_DPRINTK_CLASSBITS_INIT' macro redefined
@ 2026-09-15 19:52 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-09-15 19:52 UTC (permalink / raw)
To: Jim Cromie, Łukasz Bartosik; +Cc: oe-kbuild-all
tree: https://github.com/jimc/linux.git dd-classmaps-v10b-akpm
head: 27e8ebc1c997eacd1d9221e0d313736244ae0db5
commit: 5959d9dd620041fe8451e9b2d2545b1084526432 [30/40] dyndbg-API: promote DYNAMIC_DEBUG_CLASSMAP_PARAM to API
config: x86_64-randconfig-161-20260915 (https://download.01.org/0day-ci/archive/20260915/202609152126.v2UDMDfX-lkp@intel.com/config)
compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1)
rustc: rustc 1.96.0 (ac68faa20 2026-05-25)
smatch: v0.5.0-9187-g5189e3fb
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260915/202609152126.v2UDMDfX-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/202609152126.v2UDMDfX-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from lib/test_bitops.c:10:
In file included from include/linux/module.h:31:
>> include/linux/dynamic_debug.h:519:9: error: '_DPRINTK_CLASSBITS_INIT' macro redefined [-Werror,-Wmacro-redefined]
519 | #define _DPRINTK_CLASSBITS_INIT 0U
| ^
include/linux/dynamic_debug.h:70:9: note: previous definition is here
70 | #define _DPRINTK_CLASSBITS_INIT ((_DPRINTK_FLAGS_DEFAULT & _DPRINTK_FLAGS_PRINT) ? ~0U : 0U)
| ^
1 error generated.
vim +/_DPRINTK_CLASSBITS_INIT +519 include/linux/dynamic_debug.h
515
516 #if defined(DEBUG)
517 #define _DPRINTK_CLASSBITS_INIT ~0U
518 #else
> 519 #define _DPRINTK_CLASSBITS_INIT 0U
520 #endif
521
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2026-09-15 19:52 [jimc:dd-classmaps-v10b-akpm 30/40] include/linux/dynamic_debug.h:519:9: error: '_DPRINTK_CLASSBITS_INIT' macro redefined kernel test robot
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