Re: [PATCH v1 12/13] tools headers: Sync compiler.h headers

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Hi Ian,

kernel test robot noticed the following build warnings:

[auto build test WARNING on perf-tools-next/perf-tools-next]
[also build test WARNING on perf-tools/perf-tools tip/perf/core]
[cannot apply to linus/master acme/perf/core v6.8 next-20240308]
[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/Ian-Rogers/tools-bpf-Synchronize-bpf-h-with-kernel-uapi-version/20240310-101251
base:   https://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next.git perf-tools-next
patch link:    https://lore.kernel.org/r/20240310020509.647319-13-irogers%40google.com
patch subject: [PATCH v1 12/13] tools headers: Sync compiler.h headers
config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20240311/202403110904.yrRIQbOJ-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240311/202403110904.yrRIQbOJ-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/202403110904.yrRIQbOJ-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

   In file included from tools/objtool/include/objtool/arch.h:11,
                    from tools/objtool/include/objtool/check.h:11,
                    from tools/objtool/include/objtool/special.h:10,
                    from special.c:16:
>> tools/objtool/include/objtool/objtool.h:15: warning: "__weak" redefined
      15 | #define __weak __attribute__((weak))
         | 
   In file included from tools/include/linux/compiler_types.h:74,
                    from tools/include/linux/compiler.h:5,
                    from tools/include/linux/build_bug.h:5,
                    from tools/include/linux/kernel.h:8,
                    from tools/objtool/libsubcmd/include/subcmd/parse-options.h:5,
                    from tools/objtool/include/objtool/builtin.h:8,
                    from special.c:15:
   tools/include/linux/compiler_attributes.h:437: note: this is the location of the previous definition
     437 | # define __weak                          __attribute__((__weak__))
         | 
   In file included from weak.c:10:
>> tools/objtool/include/objtool/objtool.h:15: warning: "__weak" redefined
      15 | #define __weak __attribute__((weak))
         | 
   In file included from tools/include/linux/compiler_types.h:74,
                    from tools/include/linux/compiler.h:5,
                    from tools/include/linux/build_bug.h:5,
                    from tools/include/linux/kernel.h:8,
                    from tools/include/linux/list.h:7,
                    from tools/objtool/include/objtool/objtool.h:10,
                    from weak.c:10:
   tools/include/linux/compiler_attributes.h:437: note: this is the location of the previous definition
     437 | # define __weak                          __attribute__((__weak__))
         | 
   In file included from tools/objtool/include/objtool/arch.h:11,
                    from tools/objtool/include/objtool/check.h:11,
                    from tools/objtool/include/objtool/special.h:10,
                    from arch/x86/special.c:4:
>> tools/objtool/include/objtool/objtool.h:15: warning: "__weak" redefined
      15 | #define __weak __attribute__((weak))
         | 
   In file included from tools/include/linux/compiler_types.h:74,
                    from tools/include/linux/compiler.h:5,
                    from tools/include/linux/build_bug.h:5,
                    from tools/include/linux/kernel.h:8,
                    from tools/include/linux/list.h:7,
                    from tools/objtool/include/objtool/cfi.h:10,
                    from tools/objtool/include/objtool/check.h:10,
                    from tools/objtool/include/objtool/special.h:10,
                    from arch/x86/special.c:4:
   tools/include/linux/compiler_attributes.h:437: note: this is the location of the previous definition
     437 | # define __weak                          __attribute__((__weak__))
         | 
   In file included from tools/objtool/include/objtool/arch.h:11,
                    from check.c:13:
>> tools/objtool/include/objtool/objtool.h:15: warning: "__weak" redefined
      15 | #define __weak __attribute__((weak))
         | 
   In file included from tools/include/linux/compiler_types.h:74,
                    from tools/include/linux/compiler.h:5,
                    from tools/include/linux/build_bug.h:5,
                    from tools/include/linux/kernel.h:8,
                    from tools/objtool/libsubcmd/include/subcmd/parse-options.h:5,
                    from tools/objtool/include/objtool/builtin.h:8,
                    from check.c:11:
   tools/include/linux/compiler_attributes.h:437: note: this is the location of the previous definition
     437 | # define __weak                          __attribute__((__weak__))
         | 
   In file included from builtin-check.c:10:
>> tools/objtool/include/objtool/objtool.h:15: warning: "__weak" redefined
      15 | #define __weak __attribute__((weak))
         | 
   In file included from tools/include/linux/compiler_types.h:74,
                    from tools/include/linux/compiler.h:5,
                    from tools/include/linux/build_bug.h:5,
                    from tools/include/linux/kernel.h:8,
                    from tools/objtool/libsubcmd/include/subcmd/parse-options.h:5,
                    from builtin-check.c:6:
   tools/include/linux/compiler_attributes.h:437: note: this is the location of the previous definition
     437 | # define __weak                          __attribute__((__weak__))
         | 
   In file included from tools/objtool/include/objtool/arch.h:11,
                    from tools/objtool/include/objtool/check.h:11,
                    from orc_gen.c:12:
>> tools/objtool/include/objtool/objtool.h:15: warning: "__weak" redefined
      15 | #define __weak __attribute__((weak))
         | 
   In file included from tools/include/linux/compiler_types.h:74,
                    from tools/include/linux/compiler.h:5,
                    from tools/arch/x86/include/asm/orc_types.h:10,
                    from orc_gen.c:10:
   tools/include/linux/compiler_attributes.h:437: note: this is the location of the previous definition
     437 | # define __weak                          __attribute__((__weak__))
         | 
   In file included from orc_dump.c:8:
>> tools/objtool/include/objtool/objtool.h:15: warning: "__weak" redefined
      15 | #define __weak __attribute__((weak))
         | 
   In file included from tools/include/linux/compiler_types.h:74,
                    from tools/include/linux/compiler.h:5,
                    from tools/arch/x86/include/asm/orc_types.h:10,
                    from orc_dump.c:7:
   tools/include/linux/compiler_attributes.h:437: note: this is the location of the previous definition
     437 | # define __weak                          __attribute__((__weak__))
         | 
   In file included from objtool.c:16:
>> tools/objtool/include/objtool/objtool.h:15: warning: "__weak" redefined
      15 | #define __weak __attribute__((weak))
         | 
   In file included from tools/include/linux/compiler_types.h:74,
                    from tools/include/linux/compiler.h:5,
                    from tools/include/linux/build_bug.h:5,
                    from tools/include/linux/kernel.h:8,
                    from objtool.c:13:
   tools/include/linux/compiler_attributes.h:437: note: this is the location of the previous definition
     437 | # define __weak                          __attribute__((__weak__))
         | 
   In file included from tools/objtool/include/objtool/arch.h:11,
                    from tools/objtool/include/objtool/check.h:11,
                    from arch/x86/decode.c:18:
>> tools/objtool/include/objtool/objtool.h:15: warning: "__weak" redefined
      15 | #define __weak __attribute__((weak))
         | 
   In file included from tools/include/linux/compiler_types.h:74,
                    from tools/include/linux/compiler.h:5,
                    from tools/include/linux/build_bug.h:5,
                    from tools/include/linux/kernel.h:8,
                    from arch/x86/../../../arch/x86/lib/insn.c:8,
                    from arch/x86/decode.c:12:
   tools/include/linux/compiler_attributes.h:437: note: this is the location of the previous definition
     437 | # define __weak                          __attribute__((__weak__))
         | 
--
   In file included from weak.c:10:
>> tools/objtool/include/objtool/objtool.h:15: warning: "__weak" redefined
      15 | #define __weak __attribute__((weak))
         | 
   In file included from tools/include/linux/compiler_types.h:74,
                    from tools/include/linux/compiler.h:5,
                    from tools/include/linux/build_bug.h:5,
                    from tools/include/linux/kernel.h:8,
                    from tools/include/linux/list.h:7,
                    from tools/objtool/include/objtool/objtool.h:10,
                    from weak.c:10:
   tools/include/linux/compiler_attributes.h:437: note: this is the location of the previous definition
     437 | # define __weak                          __attribute__((__weak__))
         | 
   In file included from tools/objtool/include/objtool/arch.h:11,
                    from tools/objtool/include/objtool/check.h:11,
                    from tools/objtool/include/objtool/special.h:10,
                    from special.c:16:
>> tools/objtool/include/objtool/objtool.h:15: warning: "__weak" redefined
      15 | #define __weak __attribute__((weak))
         | 
   In file included from tools/include/linux/compiler_types.h:74,
                    from tools/include/linux/compiler.h:5,
                    from tools/include/linux/build_bug.h:5,
                    from tools/include/linux/kernel.h:8,
                    from tools/objtool/libsubcmd/include/subcmd/parse-options.h:5,
                    from tools/objtool/include/objtool/builtin.h:8,
                    from special.c:15:
   tools/include/linux/compiler_attributes.h:437: note: this is the location of the previous definition
     437 | # define __weak                          __attribute__((__weak__))
         | 
   In file included from tools/objtool/include/objtool/arch.h:11,
                    from check.c:13:
>> tools/objtool/include/objtool/objtool.h:15: warning: "__weak" redefined
      15 | #define __weak __attribute__((weak))
         | 
   In file included from tools/include/linux/compiler_types.h:74,
                    from tools/include/linux/compiler.h:5,
                    from tools/include/linux/build_bug.h:5,
                    from tools/include/linux/kernel.h:8,
                    from tools/objtool/libsubcmd/include/subcmd/parse-options.h:5,
                    from tools/objtool/include/objtool/builtin.h:8,
                    from check.c:11:
   tools/include/linux/compiler_attributes.h:437: note: this is the location of the previous definition
     437 | # define __weak                          __attribute__((__weak__))
         | 
   In file included from builtin-check.c:10:
>> tools/objtool/include/objtool/objtool.h:15: warning: "__weak" redefined
      15 | #define __weak __attribute__((weak))
         | 
   In file included from tools/include/linux/compiler_types.h:74,
                    from tools/include/linux/compiler.h:5,
                    from tools/include/linux/build_bug.h:5,
                    from tools/include/linux/kernel.h:8,
                    from tools/objtool/libsubcmd/include/subcmd/parse-options.h:5,
                    from builtin-check.c:6:
   tools/include/linux/compiler_attributes.h:437: note: this is the location of the previous definition
     437 | # define __weak                          __attribute__((__weak__))
         | 
   In file included from tools/objtool/include/objtool/arch.h:11,
                    from tools/objtool/include/objtool/check.h:11,
                    from tools/objtool/include/objtool/special.h:10,
                    from arch/x86/special.c:4:
>> tools/objtool/include/objtool/objtool.h:15: warning: "__weak" redefined
      15 | #define __weak __attribute__((weak))
         | 
   In file included from tools/include/linux/compiler_types.h:74,
                    from tools/include/linux/compiler.h:5,
                    from tools/include/linux/build_bug.h:5,
                    from tools/include/linux/kernel.h:8,
                    from tools/include/linux/list.h:7,
                    from tools/objtool/include/objtool/cfi.h:10,
                    from tools/objtool/include/objtool/check.h:10,
                    from tools/objtool/include/objtool/special.h:10,
                    from arch/x86/special.c:4:
   tools/include/linux/compiler_attributes.h:437: note: this is the location of the previous definition
     437 | # define __weak                          __attribute__((__weak__))
         | 
   In file included from objtool.c:16:
>> tools/objtool/include/objtool/objtool.h:15: warning: "__weak" redefined
      15 | #define __weak __attribute__((weak))
         | 
   In file included from tools/include/linux/compiler_types.h:74,
                    from tools/include/linux/compiler.h:5,
                    from tools/include/linux/build_bug.h:5,
                    from tools/include/linux/kernel.h:8,
                    from objtool.c:13:
   tools/include/linux/compiler_attributes.h:437: note: this is the location of the previous definition
     437 | # define __weak                          __attribute__((__weak__))
         | 
   In file included from orc_dump.c:8:
>> tools/objtool/include/objtool/objtool.h:15: warning: "__weak" redefined
      15 | #define __weak __attribute__((weak))
         | 
   In file included from tools/include/linux/compiler_types.h:74,
                    from tools/include/linux/compiler.h:5,
                    from tools/arch/x86/include/asm/orc_types.h:10,
                    from orc_dump.c:7:
   tools/include/linux/compiler_attributes.h:437: note: this is the location of the previous definition
     437 | # define __weak                          __attribute__((__weak__))
         | 
   In file included from tools/objtool/include/objtool/arch.h:11,
                    from tools/objtool/include/objtool/check.h:11,
                    from orc_gen.c:12:
>> tools/objtool/include/objtool/objtool.h:15: warning: "__weak" redefined
      15 | #define __weak __attribute__((weak))
         | 
   In file included from tools/include/linux/compiler_types.h:74,
                    from tools/include/linux/compiler.h:5,
                    from tools/arch/x86/include/asm/orc_types.h:10,
                    from orc_gen.c:10:
   tools/include/linux/compiler_attributes.h:437: note: this is the location of the previous definition
     437 | # define __weak                          __attribute__((__weak__))
         | 
   In file included from tools/objtool/include/objtool/arch.h:11,
                    from tools/objtool/include/objtool/check.h:11,
                    from arch/x86/decode.c:18:
>> tools/objtool/include/objtool/objtool.h:15: warning: "__weak" redefined
      15 | #define __weak __attribute__((weak))
         | 
   In file included from tools/include/linux/compiler_types.h:74,
                    from tools/include/linux/compiler.h:5,
                    from tools/include/linux/build_bug.h:5,
                    from tools/include/linux/kernel.h:8,
                    from arch/x86/../../../arch/x86/lib/insn.c:8,
                    from arch/x86/decode.c:12:
   tools/include/linux/compiler_attributes.h:437: note: this is the location of the previous definition
     437 | # define __weak                          __attribute__((__weak__))
         | 


vim +/__weak +15 tools/objtool/include/objtool/objtool.h

d37c90d47fc465 tools/objtool/objtool.h Matt Helsley   2020-05-19  14  
eda3dc905834dc tools/objtool/objtool.h Julien Thierry 2020-09-04 @15  #define __weak __attribute__((weak))
eda3dc905834dc tools/objtool/objtool.h Julien Thierry 2020-09-04  16  

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0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki




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