[curro:for-edward 7/17] include/asm-generic/vmlinux.lds.h:299:9: warning: 'ACPI_PROBE_TABLE' macro redefined

[kernel test robot <lkp@intel.com>]

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tree:   https://github.com/curro/linux for-edward
head:   9ba143107276ffb71f116efd181424c070805213
commit: b17127f75521e43cafb06f5e7c4bbf4b89a7080f [7/17] cpufreq: intel_pstate: Implement VLP controller statistics and target range calculation.
config: x86_64-randconfig-a005-20200930 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project bcd05599d0e53977a963799d6ee4f6e0bc21331b)
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
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://github.com/curro/linux/commit/b17127f75521e43cafb06f5e7c4bbf4b89a7080f
        git remote add curro https://github.com/curro/linux
        git fetch --no-tags curro for-edward
        git checkout b17127f75521e43cafb06f5e7c4bbf4b89a7080f
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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

All warnings (new ones prefixed by >>):

   In file included from drivers/cpufreq/intel_pstate.c:37:
   In file included from drivers/cpufreq/../../kernel/sched/sched.h:70:
>> include/asm-generic/vmlinux.lds.h:299:9: warning: 'ACPI_PROBE_TABLE' macro redefined [-Wmacro-redefined]
   #define ACPI_PROBE_TABLE(name)                                          \
           ^
   include/linux/acpi.h:1177:9: note: previous definition is here
   #define ACPI_PROBE_TABLE(name)          __##name##_acpi_probe_table
           ^
   drivers/cpufreq/intel_pstate.c:90:23: warning: unused function 'percent_fp' [-Wunused-function]
   static inline int32_t percent_fp(int percent)
                         ^
   drivers/cpufreq/intel_pstate.c:105:23: warning: unused function 'percent_ext_fp' [-Wunused-function]
   static inline int32_t percent_ext_fp(int percent)
                         ^
   drivers/cpufreq/intel_pstate.c:2041:13: warning: unused function 'intel_pstate_reset_vlp' [-Wunused-function]
   static void intel_pstate_reset_vlp(struct cpudata *cpu)
               ^
   drivers/cpufreq/intel_pstate.c:2190:39: warning: unused function 'get_vlp_target_range' [-Wunused-function]
   static const struct vlp_target_range *get_vlp_target_range(struct cpudata *cpu)
                                         ^
   drivers/cpufreq/intel_pstate.c:2314:13: warning: unused function 'update_vlp_sample' [-Wunused-function]
   static bool update_vlp_sample(struct cpudata *cpu, u64 time, unsigned int flags)
               ^
   6 warnings generated.

vim +/ACPI_PROBE_TABLE +299 include/asm-generic/vmlinux.lds.h

6c3ff8b11a16ec6 Stephen Boyd    2013-10-30  297  
e647b532275bb35 Marc Zyngier    2015-09-28  298  #ifdef CONFIG_ACPI
e647b532275bb35 Marc Zyngier    2015-09-28 @299  #define ACPI_PROBE_TABLE(name)						\
e647b532275bb35 Marc Zyngier    2015-09-28  300  	. = ALIGN(8);							\
a62143850053332 Masahiro Yamada 2018-05-09  301  	__##name##_acpi_probe_table = .;				\
4b89b7f7aad5742 Nicholas Piggin 2016-11-24  302  	KEEP(*(__##name##_acpi_probe_table))				\
a62143850053332 Masahiro Yamada 2018-05-09  303  	__##name##_acpi_probe_table_end = .;
e647b532275bb35 Marc Zyngier    2015-09-28  304  #else
e647b532275bb35 Marc Zyngier    2015-09-28  305  #define ACPI_PROBE_TABLE(name)
e647b532275bb35 Marc Zyngier    2015-09-28  306  #endif
e647b532275bb35 Marc Zyngier    2015-09-28  307  

:::::: The code at line 299 was first introduced by commit
:::::: e647b532275bb357e87272e052fccf5fcdb36a17 ACPI: Add early device probing infrastructure

:::::: TO: Marc Zyngier <Marc.Zyngier@arm.com>
:::::: CC: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

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

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