Re: [PATCH v7 8/9] x86/hyperv/vtl: Mark the wakeup mailbox page as private

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

Hi Ricardo,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 6f85aad74a70d17919a64ecd93037aa51c08698d]

url:    https://github.com/intel-lab-lkp/linux/commits/Ricardo-Neri/x86-acpi-Add-functions-to-setup-and-access-the-wakeup-mailbox/20251118-011935
base:   6f85aad74a70d17919a64ecd93037aa51c08698d
patch link:    https://lore.kernel.org/r/20251117-rneri-wakeup-mailbox-v7-8-4a8b82ab7c2c%40linux.intel.com
patch subject: [PATCH v7 8/9] x86/hyperv/vtl: Mark the wakeup mailbox page as private
config: x86_64-buildonly-randconfig-001-20251118 (https://download.01.org/0day-ci/archive/20251118/202511181954.UMxCeTV1-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251118/202511181954.UMxCeTV1-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/202511181954.UMxCeTV1-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from arch/x86/hyperv/hv_vtl.c:9:
   In file included from arch/x86/include/asm/acpi.h:11:
   In file included from arch/x86/include/asm/numa.h:8:
>> arch/x86/include/asm/topology.h:159:47: warning: declaration of 'struct cpuinfo_x86' will not be visible outside of this function [-Wvisibility]
     159 | const char *get_topology_cpu_type_name(struct cpuinfo_x86 *c);
         |                                               ^
   arch/x86/include/asm/topology.h:160:57: warning: declaration of 'struct cpuinfo_x86' will not be visible outside of this function [-Wvisibility]
     160 | enum x86_topology_cpu_type get_topology_cpu_type(struct cpuinfo_x86 *c);
         |                                                         ^
   2 warnings generated.


vim +159 arch/x86/include/asm/topology.h

090610ba704a66 Thomas Gleixner 2024-02-13  158  
45239ba39a5279 Pawan Gupta     2024-10-25 @159  const char *get_topology_cpu_type_name(struct cpuinfo_x86 *c);
45239ba39a5279 Pawan Gupta     2024-10-25  160  enum x86_topology_cpu_type get_topology_cpu_type(struct cpuinfo_x86 *c);
45239ba39a5279 Pawan Gupta     2024-10-25  161  

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