Messages in this thread | | | Date | Sat, 13 Nov 2021 08:30:47 +0800 | From | kernel test robot <> | Subject | [morse:mpam/snapshot/v5.15 90/139] include/linux/cacheinfo.h:115:24: error: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '18446744073709551615' to '4294967295' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git mpam/snapshot/v5.15 head: ce3629841262f725a5f3a327403fcaf0e604a85e commit: 7cfc8ff4c2167d8b7da45a3a5f7f7f98de31bcde [90/139] cacheinfo: Allow for >32-bit cache 'id' config: m68k-allyesconfig (attached as .config) compiler: m68k-linux-gcc (GCC) 11.2.0 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 # https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git/commit/?id=7cfc8ff4c2167d8b7da45a3a5f7f7f98de31bcde git remote add morse https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git git fetch --no-tags morse mpam/snapshot/v5.15 git checkout 7cfc8ff4c2167d8b7da45a3a5f7f7f98de31bcde # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=m68k
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
In file included from drivers/base/cacheinfo.c:12: include/linux/cacheinfo.h: In function 'get_cpu_cacheinfo_id': >> include/linux/cacheinfo.h:115:24: error: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '18446744073709551615' to '4294967295' [-Werror=overflow] 115 | return ~0ULL; | ^ include/linux/cacheinfo.h:121:32: error: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '18446744073709551615' to '4294967295' [-Werror=overflow] 121 | return ~0ULL; | ^ include/linux/cacheinfo.h:125:16: error: conversion from 'long long unsigned int' to 'long unsigned int' changes value from '18446744073709551615' to '4294967295' [-Werror=overflow] 125 | return ~0ULL; | ^ cc1: all warnings being treated as errors
vim +115 include/linux/cacheinfo.h
104 105 /* 106 * Get the id of the cache associated with @cpu at level @level. 107 * cpuhp lock must be held. 108 */ 109 static inline unsigned long get_cpu_cacheinfo_id(int cpu, int level) 110 { 111 struct cpu_cacheinfo *ci = get_cpu_cacheinfo(cpu); 112 int i; 113 114 if (!ci->info_list) > 115 return ~0ULL; 116 117 for (i = 0; i < ci->num_leaves; i++) { 118 if (ci->info_list[i].level == level) { 119 if (ci->info_list[i].attributes & CACHE_ID) 120 return ci->info_list[i].id; 121 return ~0ULL; 122 } 123 } 124 125 return ~0ULL; 126 } 127
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