tree: https://github.com/liu-song-6/linux.git uprobe-thp head: 950e997c620db50b4f7e578631f6c8b0e1315778 commit: 5760548d3bd197b0858ccaf3ec8039aedba5832f [92/185] arm64: mm: Implement pte_devmap support config: arm64-allnoconfig (attached as .config) compiler: aarch64-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 5760548d3bd197b0858ccaf3ec8039aedba5832f # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>): In file included from include/linux/mm.h:99:0, from arch/arm64/kernel/asm-offsets.c:23: >> arch/arm64/include/asm/pgtable.h:93:27: error: expected identifier or '(' before '!' token #define pte_devmap(pte) (!!(pte_val(pte) & PTE_DEVMAP)) ^ >> arch/arm64/include/asm/pgtable.h:390:26: note: in expansion of macro 'pte_devmap' #define pmd_devmap(pmd) pte_devmap(pmd_pte(pmd)) ^~~~~~~~~~ >> include/linux/mm.h:540:19: note: in expansion of macro 'pmd_devmap' static inline int pmd_devmap(pmd_t pmd) ^~~~~~~~~~ In file included from arch/arm64/kernel/asm-offsets.c:23:0: >> include/linux/mm.h:544:19: error: redefinition of 'pud_devmap' static inline int pud_devmap(pud_t pud) ^~~~~~~~~~ In file included from include/linux/mm.h:99:0, from arch/arm64/kernel/asm-offsets.c:23: arch/arm64/include/asm/pgtable.h:549:19: note: previous definition of 'pud_devmap' was here static inline int pud_devmap(pud_t pud) ^~~~~~~~~~ In file included from arch/arm64/kernel/asm-offsets.c:23:0: >> include/linux/mm.h:548:19: error: redefinition of 'pgd_devmap' static inline int pgd_devmap(pgd_t pgd) ^~~~~~~~~~ In file included from include/linux/mm.h:99:0, from arch/arm64/kernel/asm-offsets.c:23: arch/arm64/include/asm/pgtable.h:641:19: note: previous definition of 'pgd_devmap' was here static inline int pgd_devmap(pgd_t pgd) ^~~~~~~~~~ make[2]: *** [arch/arm64/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 +93 arch/arm64/include/asm/pgtable.h 83 84 /* 85 * The following only work if pte_present(). Undefined behaviour otherwise. 86 */ 87 #define pte_present(pte) (!!(pte_val(pte) & (PTE_VALID | PTE_PROT_NONE))) 88 #define pte_young(pte) (!!(pte_val(pte) & PTE_AF)) 89 #define pte_special(pte) (!!(pte_val(pte) & PTE_SPECIAL)) 90 #define pte_write(pte) (!!(pte_val(pte) & PTE_WRITE)) 91 #define pte_user_exec(pte) (!(pte_val(pte) & PTE_UXN)) 92 #define pte_cont(pte) (!!(pte_val(pte) & PTE_CONT)) > 93 #define pte_devmap(pte) (!!(pte_val(pte) & PTE_DEVMAP)) 94 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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