[jirislaby:devel 9550/9910] kernel/fork.c:2588:2: error: #error clone3 requires copy_thread_tls support in arch

[jirislaby:devel 9550/9910] kernel/fork.c:2588:2: error: #error clone3 requires copy_thread_tls support in arch

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.git devel
head:   b0fd23fce33a4ce5fbdf30e0601ab65350c06d2c
commit: ef1577d1c0cba9ef40764ee9e8fc2795aa217f88 [9550/9910] Merge remote-tracking branch 'm68k/for-next'
config: m68k-multi_defconfig (attached as .config)
compiler: m68k-linux-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout ef1577d1c0cba9ef40764ee9e8fc2795aa217f88
        # save the attached .config to linux build tree
        GCC_VERSION=7.5.0 make.cross ARCH=m68k 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> kernel/fork.c:2588:2: error: #error clone3 requires copy_thread_tls support in arch
    #error clone3 requires copy_thread_tls support in arch
     ^~~~~

vim +2588 kernel/fork.c

dd499f7a7e3427 Amanieu d'Antras 2020-01-02  2581  
dd499f7a7e3427 Amanieu d'Antras 2020-01-02  2582  /*
dd499f7a7e3427 Amanieu d'Antras 2020-01-02  2583   * copy_thread implementations handle CLONE_SETTLS by reading the TLS value from
dd499f7a7e3427 Amanieu d'Antras 2020-01-02  2584   * the registers containing the syscall arguments for clone. This doesn't work
dd499f7a7e3427 Amanieu d'Antras 2020-01-02  2585   * with clone3 since the TLS value is passed in clone_args instead.
dd499f7a7e3427 Amanieu d'Antras 2020-01-02  2586   */
dd499f7a7e3427 Amanieu d'Antras 2020-01-02  2587  #ifndef CONFIG_HAVE_COPY_THREAD_TLS
dd499f7a7e3427 Amanieu d'Antras 2020-01-02 @2588  #error clone3 requires copy_thread_tls support in arch
dd499f7a7e3427 Amanieu d'Antras 2020-01-02  2589  #endif
dd499f7a7e3427 Amanieu d'Antras 2020-01-02  2590  

:::::: The code at line 2588 was first introduced by commit
:::::: dd499f7a7e34270208350a849ef103c0b3ae477f clone3: ensure copy_thread_tls is implemented

:::::: TO: Amanieu d'Antras <amanieu@gmail.com>
:::::: CC: Christian Brauner <christian.brauner@ubuntu.com>

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org Intel Corporation

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