Re: [PATCH 2/4] acpi/hmat / cxl: Add extended linear cache support for CXL

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

Hi Dave,

kernel test robot noticed the following build errors:

[auto build test ERROR on rafael-pm/linux-next]
[also build test ERROR on rafael-pm/bleeding-edge cxl/next driver-core/driver-core-testing driver-core/driver-core-next driver-core/driver-core-linus tip/x86/mm linus/master cxl/pending v6.13-rc1 next-20241204]
[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/Dave-Jiang/acpi-numa-Add-support-to-enumerate-and-store-extended-linear-address-mode/20241205-064921
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
patch link:    https://lore.kernel.org/r/20241204224827.2097263-3-dave.jiang%40intel.com
patch subject: [PATCH 2/4] acpi/hmat / cxl: Add extended linear cache support for CXL
config: i386-buildonly-randconfig-004 (https://download.01.org/0day-ci/archive/20241205/202412050940.jAddHkxV-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241205/202412050940.jAddHkxV-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/202412050940.jAddHkxV-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from kernel/sysctl.c:54:
>> include/linux/acpi.h:1105:19: error: redefinition of 'hmat_get_extended_linear_cache_size'
    1105 | static inline int hmat_get_extended_linear_cache_size(struct resource *backing_res,
         |                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/acpi.h:448:19: note: previous definition of 'hmat_get_extended_linear_cache_size' with type 'int(struct resource *, int,  resource_size_t *)' {aka 'int(struct resource *, int,  unsigned int *)'}
     448 | static inline int hmat_get_extended_linear_cache_size(struct resource *backing_res,
         |                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/hmat_get_extended_linear_cache_size +1105 include/linux/acpi.h

  1100	
  1101	#ifdef CONFIG_ACPI_HMAT
  1102	int hmat_get_extended_linear_cache_size(struct resource *backing_res, int nid,
  1103						resource_size_t *size);
  1104	#else
> 1105	static inline int hmat_get_extended_linear_cache_size(struct resource *backing_res,
  1106							      int nid, resource_size_t *size)
  1107	{
  1108		return -EOPNOTSUPP;
  1109	}
  1110	#endif
  1111	

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