On Thu, Aug 20, 2020 at 12:35 AM kernel test robot <l...@intel.com> wrote: > > Hi Vasily, > > FYI, the error/warning still remains. > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > master > head: 18445bf405cb331117bc98427b1ba6f12418ad17 > commit: f0cbd3b83ed47803df941865f720934c69abb803 s390/atomic: circumvent gcc > 10 build regression > date: 9 days ago > config: s390-randconfig-r003-20200818 (attached as .config) > compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project > 4deda57106f7c9b982a49cb907c33e3966c8de7f) > 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 <l...@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") > ^
It might be interesting to dissect this one. Likely will break the build otherwise. > 1 error generated. > > # > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f0cbd3b83ed47803df941865f720934c69abb803 > git remote add linus > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > git fetch --no-tags linus master > git checkout f0cbd3b83ed47803df941865f720934c69abb803 > vim +/i +56 arch/s390/include/asm/atomic_ops.h > > 126b30c3cb476c Martin Schwidefsky 2016-11-11 51 > eb3b7b848fb3dd Martin Schwidefsky 2017-03-24 52 #define > __ATOMIC_CONST_OPS(op_name, op_type, op_string) \ > eb3b7b848fb3dd Martin Schwidefsky 2017-03-24 53 > __ATOMIC_CONST_OP(op_name, op_type, op_string, "\n") \ > eb3b7b848fb3dd Martin Schwidefsky 2017-03-24 54 > __ATOMIC_CONST_OP(op_name##_barrier, op_type, op_string, "bcr 14,0\n") > eb3b7b848fb3dd Martin Schwidefsky 2017-03-24 55 > eb3b7b848fb3dd Martin Schwidefsky 2017-03-24 @56 > __ATOMIC_CONST_OPS(__atomic_add_const, int, "asi") > eb3b7b848fb3dd Martin Schwidefsky 2017-03-24 57 > __ATOMIC_CONST_OPS(__atomic64_add_const, long, "agsi") > eb3b7b848fb3dd 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 <schwidef...@de.ibm.com> > :::::: CC: Martin Schwidefsky <schwidef...@de.ibm.com> > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org > > -- > You received this message because you are subscribed to the Google Groups > "Clang Built Linux" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to clang-built-linux+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/clang-built-linux/202008201500.aOkzA3ZM%25lkp%40intel.com. -- Thanks, ~Nick Desaulniers