Re: [PATCH] module: Allow DEFAULT_SYMBOL_NAMESPACE be set after export.h included

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

Hi David,

kernel test robot noticed the following build warnings:

[auto build test WARNING on andi-shyti/i2c/i2c-host]
[also build test WARNING on linus/master v6.13-rc4 next-20241220]
[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/David-Laight/module-Allow-DEFAULT_SYMBOL_NAMESPACE-be-set-after-export-h-included/20241229-024441
base:   https://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux.git i2c/i2c-host
patch link:    https://lore.kernel.org/r/20241228184328.5ced280b%40dsl-u17-10
patch subject: [PATCH] module: Allow DEFAULT_SYMBOL_NAMESPACE be set after export.h included
config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20241229/202412290825.cKFjKHQf-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/20241229/202412290825.cKFjKHQf-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/202412290825.cKFjKHQf-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/pwm/pwm-lpss.c:22: warning: "DEFAULT_SYMBOL_NAMESPACE" redefined
      22 | #define DEFAULT_SYMBOL_NAMESPACE "PWM_LPSS"
         | 
   In file included from include/linux/linkage.h:7,
                    from arch/x86/include/asm/cache.h:5,
                    from include/linux/cache.h:6,
                    from arch/x86/include/asm/current.h:10,
                    from include/linux/sched.h:12,
                    from include/linux/delay.h:13,
                    from drivers/pwm/pwm-lpss.c:14:
   include/linux/export.h:63: note: this is the location of the previous definition
      63 | #define DEFAULT_SYMBOL_NAMESPACE ""
         | 


vim +/DEFAULT_SYMBOL_NAMESPACE +22 drivers/pwm/pwm-lpss.c

093e00bb3f82f3 Alan Cox        2014-04-18  21  
ceb8bf2ceaa77f Masahiro Yamada 2024-12-03 @22  #define DEFAULT_SYMBOL_NAMESPACE "PWM_LPSS"
a3682d2fe3c36c Andy Shevchenko 2022-09-27  23  

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