6:17 a.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git
mpam/snapshot/v5.16
head: 364c1c42b229912132e1615c2ce15be7154e2156
commit: 626a68b7eb02b0a0bb7faaa4b91371c2f3d550d0 [88/137] cacheinfo: Allow for >32-bit
cache 'id'
config: arm-shannon_defconfig
(https://download.01.org/0day-ci/archive/20220126/202201260326.obpo9ntU-lk...)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project
997e128e2a78f5a5434fc75997441ae1ee76f8a4)
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
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
#
https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git/commit/?i...
git remote add morse
https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git
git fetch --no-tags morse mpam/snapshot/v5.16
git checkout 626a68b7eb02b0a0bb7faaa4b91371c2f3d550d0
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir
ARCH=arm SHELL=/bin/bash drivers/base/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
In file included from drivers/base/cacheinfo.c:12:
> include/linux/cacheinfo.h:114:10: warning: implicit conversion
from 'unsigned long long' to 'unsigned long' changes value from
18446744073709551615 to 4294967295 [-Wconstant-conversion]
return
~0ULL;
~~~~~~ ^~~~~
include/linux/cacheinfo.h:120:11: warning: implicit conversion from 'unsigned long
long' to 'unsigned long' changes value from 18446744073709551615 to 4294967295
[-Wconstant-conversion]
return ~0ULL;
~~~~~~ ^~~~~
include/linux/cacheinfo.h:124:9: warning: implicit conversion from 'unsigned long
long' to 'unsigned long' changes value from 18446744073709551615 to 4294967295
[-Wconstant-conversion]
return ~0ULL;
~~~~~~ ^~~~~
3 warnings generated.
vim +114 include/linux/cacheinfo.h
103
104 /*
105 * Get the id of the cache associated with @cpu at level @level.
106 * cpuhp lock must be held.
107 */
108 static inline unsigned long get_cpu_cacheinfo_id(int cpu, int level)
109 {
110 struct cpu_cacheinfo *ci = get_cpu_cacheinfo(cpu);
111 int i;
112
113 if (!ci->info_list)
114 return ~0ULL;
115
116 for (i = 0; i < ci->num_leaves; i++) {
117 if (ci->info_list[i].level == level) {
118 if (ci->info_list[i].attributes & CACHE_ID)
119 return ci->info_list[i].id;
120 return ~0ULL;
121 }
122 }
123
124 return ~0ULL;
125 }
126
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org