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Subjectarch/x86/kernel/cpu/sgx/main.c:124: warning: Function parameter or member 'low' not described in 'sgx_calc_section_metric'
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 77fa2fbe87fc605c4bfa87dff87be9bfded0e9a3
commit: e7e0545299d8cb0fd6fe3ba50401b7f5c3937362 x86/sgx: Initialize metadata for Enclave Page Cache (EPC) sections
date: 3 years ago
config: x86_64-randconfig-004-20230909 (https://download.01.org/0day-ci/archive/20231106/202311060610.IeqWTTWK-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/20231106/202311060610.IeqWTTWK-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/202311060610.IeqWTTWK-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/x86/kernel/cpu/sgx/main.c:124: warning: Function parameter or member 'low' not described in 'sgx_calc_section_metric'
>> arch/x86/kernel/cpu/sgx/main.c:124: warning: Function parameter or member 'high' not described in 'sgx_calc_section_metric'
>> arch/x86/kernel/cpu/sgx/main.c:124: warning: expecting prototype for A section metric is concatenated in a way that @low bits 12(). Prototype was for sgx_calc_section_metric() instead


vim +124 arch/x86/kernel/cpu/sgx/main.c

117
118 /**
119 * A section metric is concatenated in a way that @low bits 12-31 define the
120 * bits 12-31 of the metric and @high bits 0-19 define the bits 32-51 of the
121 * metric.
122 */
123 static inline u64 __init sgx_calc_section_metric(u64 low, u64 high)
> 124 {
125 return (low & GENMASK_ULL(31, 12)) +
126 ((high & GENMASK_ULL(19, 0)) << 32);
127 }
128

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

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