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

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Message-ID: <202304090346.erhqxnlt-lkp@intel.com>
Date:   Sun, 9 Apr 2023 03:59:11 +0800
From:   kernel test robot <lkp@...el.com>
To:     Josh Poimboeuf <jpoimboe@...nel.org>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        x86@...nel.org
Subject: [tip:objtool/core 22/23] kernel/sched/build_policy.o: warning:
 objtool: do_idle() falls through to next function play_idle_precise()

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@intel.com/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@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304090346.erhqxnlt-lkp@intel.com/

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