linux-kernel - arch/s390/include/asm/atomic_ops.h:56:45: error: invalid operand for inline asm constraint 'i'

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <202010211941.6zfxVR3w-lkp@intel.com>
Date:   Wed, 21 Oct 2020 19:55:48 +0800
From:   kernel test robot <lkp@...el.com>
To:     Vasily Gorbik <gor@...ux.ibm.com>
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        linux-kernel@...r.kernel.org, Heiko Carstens <hca@...ux.ibm.com>
Subject: arch/s390/include/asm/atomic_ops.h:56:45: error: invalid operand for
 inline asm constraint 'i'

Hi Vasily,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   c4d6fe7311762f2e03b3c27ad38df7c40c80cc93
commit: f0cbd3b83ed47803df941865f720934c69abb803 s390/atomic: circumvent gcc 10 build regression
date:   2 months ago
config: s390-randconfig-r024-20201021 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 2eac8ce820e6c9fe51bf93b55cb8a781b8b9fc7c)
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
        # 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
        # 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@...el.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@...ibm.com>
:::::: CC: Martin Schwidefsky <schwidefsky@...ibm.com>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (28942 bytes)