9:32 p.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: e6d113aca646fb6a92b237340109237fd7a9c770
commit: f0cbd3b83ed47803df941865f720934c69abb803 [14213/14656] s390/atomic: circumvent gcc
10 build regression
config: s390-randconfig-r012-20200813 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project
62ef1cb2079123b86878e4bfed3c14db448f1373)
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 s390 cross compiling tool for clang build
# apt-get install binutils-s390x-linux-gnu
git checkout f0cbd3b83ed47803df941865f720934c69abb803
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=s390
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
In file included from drivers/tty/tty_buffer.c:8:
In file included from include/linux/tty.h:5:
In file included from include/linux/fs.h:6:
In file included from include/linux/wait_bit.h:8:
In file included from include/linux/wait.h:7:
In file included from include/linux/list.h:9:
In file included from include/linux/kernel.h:12:
In file included from include/linux/bitops.h:29:
In file included from arch/s390/include/asm/bitops.h:39:
> arch/s390/include/asm/atomic_ops.h:56:45: error: invalid operand
for inline asm constraint 'i'
__ATOMIC_CONST_OPS(__atomic_add_const, int,
"asi")
^
1 error generated.
vim +/i +56 arch/s390/include/asm/atomic_ops.h
126b30c3cb476ce Martin Schwidefsky 2016-11-11 51
eb3b7b848fb3dd0 Martin Schwidefsky 2017-03-24 52 #define __ATOMIC_CONST_OPS(op_name,
op_type, op_string) \
eb3b7b848fb3dd0 Martin Schwidefsky 2017-03-24 53 __ATOMIC_CONST_OP(op_name, op_type,
op_string, "\n") \
eb3b7b848fb3dd0 Martin Schwidefsky 2017-03-24 54 __ATOMIC_CONST_OP(op_name##_barrier,
op_type, op_string, "bcr 14,0\n")
eb3b7b848fb3dd0 Martin Schwidefsky 2017-03-24 55
eb3b7b848fb3dd0 Martin Schwidefsky 2017-03-24 @56 __ATOMIC_CONST_OPS(__atomic_add_const,
int, "asi")
eb3b7b848fb3dd0 Martin Schwidefsky 2017-03-24 57
__ATOMIC_CONST_OPS(__atomic64_add_const, long, "agsi")
eb3b7b848fb3dd0 Martin Schwidefsky 2017-03-24 58
:::::: The code at line 56 was first introduced by commit
:::::: eb3b7b848fb3dd00f7a57d633d4ae4d194aa7865 s390/rwlock: introduce rwlock wait
queueing
:::::: TO: Martin Schwidefsky <schwidefsky(a)de.ibm.com>
:::::: CC: Martin Schwidefsky <schwidefsky(a)de.ibm.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org