tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 95065cb54210eba86bed10cb2118041524d54573 commit: 7cda23da52ad793a578d290e7fcc9cdc1698bba8 [3528/7280] arm64: alternatives: Split up alternative.h config: arm64-randconfig-p002-20201120 (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 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/next/linux-next.git/commit/?id=7cda23da52ad793a578d290e7fcc9cdc1698bba8 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 7cda23da52ad793a578d290e7fcc9cdc1698bba8 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from arch/arm64/include/asm/kprobes.h:24, from arch/arm64/include/asm/exception.h:11, from arch/arm64/kernel/fpsimd.c:35: >> arch/arm64/include/asm/probes.h:16:2: error: unknown type name 'pstate_check_t' 16 | pstate_check_t *pstate_cc; | ^~~~~~~~~~~~~~ vim +/pstate_check_t +16 arch/arm64/include/asm/probes.h 2dd0e8d2d2a157d Sandeepa Prabhu 2016-07-08 12 2dd0e8d2d2a157d Sandeepa Prabhu 2016-07-08 13 /* architecture specific copy of original instruction */ c2249707ee53b5d Pratyush Anand 2016-11-02 14 struct arch_probe_insn { c2249707ee53b5d Pratyush Anand 2016-11-02 15 probe_opcode_t *insn; 39a67d49ba35363 Sandeepa Prabhu 2016-07-08 @16 pstate_check_t *pstate_cc; c2249707ee53b5d Pratyush Anand 2016-11-02 17 probes_handler_t *handler; 2dd0e8d2d2a157d Sandeepa Prabhu 2016-07-08 18 /* restore address after step xol */ 2dd0e8d2d2a157d Sandeepa Prabhu 2016-07-08 19 unsigned long restore; 2dd0e8d2d2a157d Sandeepa Prabhu 2016-07-08 20 }; c2249707ee53b5d Pratyush Anand 2016-11-02 21 #ifdef CONFIG_KPROBES c2249707ee53b5d Pratyush Anand 2016-11-02 22 typedef u32 kprobe_opcode_t; c2249707ee53b5d Pratyush Anand 2016-11-02 23 struct arch_specific_insn { c2249707ee53b5d Pratyush Anand 2016-11-02 24 struct arch_probe_insn api; c2249707ee53b5d Pratyush Anand 2016-11-02 25 }; c2249707ee53b5d Pratyush Anand 2016-11-02 26 #endif 2dd0e8d2d2a157d Sandeepa Prabhu 2016-07-08 27 :::::: The code at line 16 was first introduced by commit :::::: 39a67d49ba353630d144a8eb775500c041c89e7a arm64: kprobes instruction simulation support :::::: TO: Sandeepa Prabhu :::::: CC: Catalin Marinas --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org