[tip:objtool/core 22/23] kernel/sched/build_policy.o: warning: objtool: do_idle() falls through to next function play_idle_precise()

From: kernel test robot
Date: Sat Apr 08 2023 - 16:01:07 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git objtool/core
head: fb799447ae2974a07907906dff5bd4b9e47b7123
commit: 071c44e4278156f18a6a56958617223b6bffa6ab [22/23] sched/idle: Mark arch_cpu_idle_dead() __noreturn
config: x86_64-randconfig-c022-20230403 (https://download.01.org/0day-ci/archive/20230409/202304090346.erhqxnlt-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=071c44e4278156f18a6a56958617223b6bffa6ab
git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
git fetch --no-tags tip objtool/core
git checkout 071c44e4278156f18a6a56958617223b6bffa6ab
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=x86_64 olddefconfig
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash kernel/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Link: https://lore.kernel.org/oe-kbuild-all/202304090346.erhqxnlt-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> kernel/sched/build_policy.o: warning: objtool: do_idle() falls through to next function play_idle_precise()

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