From: kernel test robot <[email protected]>
To: Josh Poimboeuf <[email protected]>
Cc: [email protected], [email protected],
Ammar Faizi <[email protected]>,
GNU/Weeb Mailing List <[email protected]>,
"Paul E. McKenney" <[email protected]>
Subject: [ammarfaizi2-block:paulmck/linux-rcu/dev.2023.02.22a 85/86] arch/powerpc/kernel/smp.c:1768:1: error: function declared 'noreturn' should not return
Date: Sat, 25 Feb 2023 15:25:55 +0800 [thread overview]
Message-ID: <[email protected]> (raw)
tree: https://github.com/ammarfaizi2/linux-block paulmck/linux-rcu/dev.2023.02.22a
head: edc9d419ee8c22821ffd664466a5cf19208c3f02
commit: a680938f32b0e2006c3d88bce7eba21636f957e8 [85/86] objtool: Fix for unreachable instruction warning
config: powerpc-buildonly-randconfig-r004-20230222 (https://download.01.org/0day-ci/archive/20230225/[email protected]/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project db89896bbbd2251fff457699635acbbedeead27f)
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 powerpc cross compiling tool for clang build
# apt-get install binutils-powerpc-linux-gnu
# https://github.com/ammarfaizi2/linux-block/commit/a680938f32b0e2006c3d88bce7eba21636f957e8
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block paulmck/linux-rcu/dev.2023.02.22a
git checkout a680938f32b0e2006c3d88bce7eba21636f957e8
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <[email protected]>
| Link: https://lore.kernel.org/oe-kbuild-all/[email protected]/
All errors (new ones prefixed by >>):
>> arch/powerpc/kernel/smp.c:1768:1: error: function declared 'noreturn' should not return [-Werror,-Winvalid-noreturn]
}
^
1 error generated.
vim +/noreturn +1768 arch/powerpc/kernel/smp.c
d0174c721900ff Nathan Fontenot 2010-01-14 1754
1ea21ba231f248 Michael Ellerman 2020-08-19 1755 void arch_cpu_idle_dead(void)
1ea21ba231f248 Michael Ellerman 2020-08-19 1756 {
424ef0160f439f Naveen N. Rao 2018-04-19 1757 /*
424ef0160f439f Naveen N. Rao 2018-04-19 1758 * Disable on the down path. This will be re-enabled by
424ef0160f439f Naveen N. Rao 2018-04-19 1759 * start_secondary() via start_secondary_resume() below
424ef0160f439f Naveen N. Rao 2018-04-19 1760 */
424ef0160f439f Naveen N. Rao 2018-04-19 1761 this_cpu_disable_ftrace();
424ef0160f439f Naveen N. Rao 2018-04-19 1762
39f87561454dc3 Michael Ellerman 2020-08-19 1763 if (smp_ops->cpu_offline_self)
39f87561454dc3 Michael Ellerman 2020-08-19 1764 smp_ops->cpu_offline_self();
fa3f82c8bb7acb Benjamin Herrenschmidt 2011-02-10 1765
fa3f82c8bb7acb Benjamin Herrenschmidt 2011-02-10 1766 /* If we return, we re-enter start_secondary */
fa3f82c8bb7acb Benjamin Herrenschmidt 2011-02-10 1767 start_secondary_resume();
abb17f9c3a92c5 Milton Miller 2010-05-19 @1768 }
fa3f82c8bb7acb Benjamin Herrenschmidt 2011-02-10 1769
:::::: The code at line 1768 was first introduced by commit
:::::: abb17f9c3a92c5acf30e749efdf0419b7f50a5b8 powerpc: Use common cpu_die (fixes SMP+SUSPEND build)
:::::: TO: Milton Miller <[email protected]>
:::::: CC: Benjamin Herrenschmidt <[email protected]>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
reply other threads:[~2023-02-25 7:26 UTC|newest]
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