[linux-next:master 3525/6048] clang-12: error: unsupported option '-fpatchable-function-entry=8' for target 'riscv64-unknown-linux-gnu'

[linux-next:master 3525/6048] clang-12: error: unsupported option '-fpatchable-function-entry=8' for target 'riscv64-unknown-linux-gnu'

[kernel test robot]

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CC: Linux Memory Management List <linux-mm@kvack.org>
TO: Guo Ren <guoren@linux.alibaba.com>
CC: Palmer Dabbelt <palmerdabbelt@google.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   59fa6a163ffabc1bf25c5e0e33899e268a96d3cc
commit: afc76b8b80112189b6f11e67e19cf58301944814 [3525/6048] riscv: Using PATCHABLE_FUNCTION_ENTRY instead of MCOUNT
config: riscv-randconfig-r031-20210126 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 925ae8c790c7e354f12ec14a6cac6aa49fc75b29)
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 riscv cross compiling tool for clang build
        # apt-get install binutils-riscv64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=afc76b8b80112189b6f11e67e19cf58301944814
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout afc76b8b80112189b6f11e67e19cf58301944814
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv 

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

All errors (new ones prefixed by >>):

>> clang-12: error: unsupported option '-fpatchable-function-entry=8' for target 'riscv64-unknown-linux-gnu'
--
>> clang-12: error: unsupported option '-fpatchable-function-entry=8' for target 'riscv64-unknown-linux-gnu'
   make[2]: *** [scripts/Makefile.build:279: scripts/mod/empty.o] Error 1
>> clang-12: error: unsupported option '-fpatchable-function-entry=8' for target 'riscv64-unknown-linux-gnu'
   make[2]: *** [scripts/Makefile.build:117: scripts/mod/devicetable-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1205: prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:185: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.

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

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