Hi Yu-cheng, Thank you for the patch! Yet something to improve: [auto build test ERROR on asm-generic/master] [also build test ERROR on v4.17 next-20180607] [cannot apply to tip/x86/core mmotm/master] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Yu-cheng-Yu/Control-Flow-Enforcement-Part-2/20180608-111152 base: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git master config: xtensa-allmodconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 8.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=xtensa All errors (new ones prefixed by >>): In file included from arch/xtensa/include/asm/pgtable.h:444, from include/linux/memremap.h:8, from include/linux/mm.h:27, from include/linux/pid_namespace.h:7, from include/linux/ptrace.h:10, from arch/xtensa/kernel/asm-offsets.c:21: include/asm-generic/pgtable.h: In function 'huge_ptep_set_wrorptect_flush': >> include/asm-generic/pgtable.h:129:2: error: implicit declaration of function 'huge_ptep_set_wrprotect'; did you mean 'ptep_set_wrprotect'? [-Werror=implicit-function-declaration] huge_ptep_set_wrprotect(vma->vm_mm, addr, ptep); ^~~~~~~~~~~~~~~~~~~~~~~ ptep_set_wrprotect cc1: some warnings being treated as errors make[2]: *** [arch/xtensa/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [sub-make] Error 2 vim +129 include/asm-generic/pgtable.h 123 124 #ifndef __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT_FLUSH 125 static inline void huge_ptep_set_wrorptect_flush(struct vm_area_struct *vma, 126 unsigned long addr, 127 pte_t *ptep) 128 { > 129 huge_ptep_set_wrprotect(vma->vm_mm, addr, ptep); 130 } 131 #endif 132 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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