From: kernel test robot <lkp@intel.com>
To: "Jim Cromie" <jim.cromie@gmail.com>,
" Łukasz Bartosik" <ukaszb@chromium.org>
Cc: oe-kbuild-all@lists.linux.dev
Subject: [jimc:wk-3way-merge 46/49] lib/dynamic_debug.c:324:21: warning: left shift count >= width of type
Date: Thu, 03 Sep 2026 03:14:51 +0800 [thread overview]
Message-ID: <202609030332.F8d6YLpz-lkp@intel.com> (raw)
tree: https://github.com/jimc/linux.git wk-3way-merge
head: d0c943103cb664ad87f6e3202f62d82153394afe
commit: e059514f9039e7c044382a405883ff79624ccf00 [46/49] Merge branch 'dyndbg-sites' into wk-3way-merge-v2
config: sh-allyesconfig (https://download.01.org/0day-ci/archive/20260903/202609030332.F8d6YLpz-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260903/202609030332.F8d6YLpz-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/202609030332.F8d6YLpz-lkp@intel.com/
All warnings (new ones prefixed by >>):
lib/dynamic_debug.c: In function 'ddebug_site_tag_key':
>> lib/dynamic_debug.c:324:21: warning: left shift count >= width of type [-Wshift-count-overflow]
324 | return (tag << 60) | (addr & 0x0fffffffffffffffUL);
| ^~
vim +324 lib/dynamic_debug.c
ca46b7e61ee9fa Jim Cromie 2025-11-18 321
b04414c8244a39 Jim Cromie 2026-08-29 322 static inline unsigned long ddebug_site_tag_key(unsigned long addr, unsigned long tag)
55557b9dfc7361 Jim Cromie 2026-06-24 323 {
b04414c8244a39 Jim Cromie 2026-08-29 @324 return (tag << 60) | (addr & 0x0fffffffffffffffUL);
b04414c8244a39 Jim Cromie 2026-08-29 325 }
55557b9dfc7361 Jim Cromie 2026-06-24 326
:::::: The code at line 324 was first introduced by commit
:::::: b04414c8244a3978ec2ed15eddc6e6f396f7500b dyndbg: Migrate site maps to Bonsai Tree with range consolidation
:::::: TO: Jim Cromie <jim.cromie@gmail.com>
:::::: CC: Jim Cromie <jim.cromie@gmail.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-09-02 19:15 UTC|newest]
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