linux-kernel - [peterz-queue:x86/cfi 4/16] include/linux/linkage.h:61:15: error: unknown type name 'u8'

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Date:   Sat, 30 Oct 2021 12:29:20 +0800
From:   kernel test robot <lkp@...el.com>
To:     Sami Tolvanen <samitolvanen@...gle.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>,
        Kees Cook <keescook@...omium.org>
Subject: [peterz-queue:x86/cfi 4/16] include/linux/linkage.h:61:15: error:
 unknown type name 'u8'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/cfi
head:   54c4c9b7e16dc0fa60a3e979df15e11a0caf858d
commit: 2b9aafcbc3eb0f7029e57f1305eceff048c6ab63 [4/16] linkage: Add DECLARE_NOT_CALLED_FROM_C
config: mips-randconfig-r016-20211028 (attached as .config)
compiler: mipsel-linux-gcc (GCC) 11.2.0
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
        # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=2b9aafcbc3eb0f7029e57f1305eceff048c6ab63
        git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
        git fetch --no-tags peterz-queue x86/cfi
        git checkout 2b9aafcbc3eb0f7029e57f1305eceff048c6ab63
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=mips SHELL=/bin/bash drivers/of/

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 include/linux/crash_core.h:5,
                    from include/linux/kexec.h:18,
                    from include/linux/crash_dump.h:5,
                    from drivers/of/fdt.c:11:
>> include/linux/linkage.h:61:15: error: unknown type name 'u8'
      61 | typedef const u8 *asm_func_ptr;
         |               ^~


vim +/u8 +61 include/linux/linkage.h

    59	
    60	#ifndef __ASSEMBLY__
  > 61	typedef const u8 *asm_func_ptr;
    62	#endif
    63	

---
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" (35944 bytes)