Hi Guo, kernel test robot noticed the following build warnings: [auto build test WARNING on vkoul-dmaengine/next] [also build test WARNING on linus/master v6.6-rc7 next-20231024] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Guo-Mengqi/dmaengine-Add-HiSilicon-Ascend-SDMA-engine-support/20231021-174034 base: https://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine.git next patch link: https://lore.kernel.org/r/20231021093454.39822-2-guomengqi3%40huawei.com patch subject: [PATCH v5 1/2] dmaengine: Add HiSilicon Ascend SDMA engine support config: openrisc-allyesconfig (https://download.01.org/0day-ci/archive/20231025/202310250208.jwwNXco0-lkp@xxxxxxxxx/config) compiler: or1k-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231025/202310250208.jwwNXco0-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202310250208.jwwNXco0-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from arch/openrisc/include/asm/mmu_context.h:18, from include/linux/mmu_context.h:5, from drivers/iommu/iommu-sva.c:5: >> include/asm-generic/mm_hooks.h:10:40: warning: 'struct mm_struct' declared inside parameter list will not be visible outside of this definition or declaration 10 | static inline int arch_dup_mmap(struct mm_struct *oldmm, | ^~~~~~~~~ include/asm-generic/mm_hooks.h:16:42: warning: 'struct mm_struct' declared inside parameter list will not be visible outside of this definition or declaration 16 | static inline void arch_exit_mmap(struct mm_struct *mm) | ^~~~~~~~~ include/asm-generic/mm_hooks.h:20:38: warning: 'struct mm_struct' declared inside parameter list will not be visible outside of this definition or declaration 20 | static inline void arch_unmap(struct mm_struct *mm, | ^~~~~~~~~ include/asm-generic/mm_hooks.h:25:15: error: unknown type name 'bool' 25 | static inline bool arch_vma_access_permitted(struct vm_area_struct *vma, | ^~~~ include/asm-generic/mm_hooks.h:26:17: error: unknown type name 'bool' 26 | bool write, bool execute, bool foreign) | ^~~~ include/asm-generic/mm_hooks.h:1:1: note: 'bool' is defined in header '<stdbool.h>'; did you forget to '#include <stdbool.h>'? +++ |+#include <stdbool.h> 1 | /* SPDX-License-Identifier: GPL-2.0 */ include/asm-generic/mm_hooks.h:26:29: error: unknown type name 'bool' 26 | bool write, bool execute, bool foreign) | ^~~~ include/asm-generic/mm_hooks.h:26:29: note: 'bool' is defined in header '<stdbool.h>'; did you forget to '#include <stdbool.h>'? include/asm-generic/mm_hooks.h:26:43: error: unknown type name 'bool' 26 | bool write, bool execute, bool foreign) | ^~~~ include/asm-generic/mm_hooks.h:26:43: note: 'bool' is defined in header '<stdbool.h>'; did you forget to '#include <stdbool.h>'? >> arch/openrisc/include/asm/mmu_context.h:21:61: warning: 'struct mm_struct' declared inside parameter list will not be visible outside of this definition or declaration 21 | extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm); | ^~~~~~~~~ >> arch/openrisc/include/asm/mmu_context.h:21:36: warning: 'struct task_struct' declared inside parameter list will not be visible outside of this definition or declaration 21 | extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm); | ^~~~~~~~~~~ arch/openrisc/include/asm/mmu_context.h:23:36: warning: 'struct mm_struct' declared inside parameter list will not be visible outside of this definition or declaration 23 | extern void destroy_context(struct mm_struct *mm); | ^~~~~~~~~ arch/openrisc/include/asm/mmu_context.h:25:30: warning: 'struct task_struct' declared inside parameter list will not be visible outside of this definition or declaration 25 | struct task_struct *tsk); | ^~~~~~~~~~~ arch/openrisc/include/asm/mmu_context.h:24:30: warning: 'struct mm_struct' declared inside parameter list will not be visible outside of this definition or declaration 24 | extern void switch_mm(struct mm_struct *prev, struct mm_struct *next, | ^~~~~~~~~ arch/openrisc/include/asm/mmu_context.h:33:17: error: unknown type name 'pgd_t' 33 | extern volatile pgd_t *current_pgd[]; /* defined in arch/openrisc/mm/fault.c */ | ^~~~~ include/linux/mmu_context.h:39:15: error: unknown type name 'bool' 39 | static inline bool arch_pgtable_dma_compat(struct mm_struct *mm) | ^~~~ include/linux/mmu_context.h: In function 'arch_pgtable_dma_compat': include/linux/mmu_context.h:41:16: error: 'true' undeclared (first use in this function) 41 | return true; | ^~~~ include/linux/mmu_context.h:7:1: note: 'true' is defined in header '<stdbool.h>'; did you forget to '#include <stdbool.h>'? 6 | #include <asm/mmu.h> +++ |+#include <stdbool.h> 7 | include/linux/mmu_context.h:41:16: note: each undeclared identifier is reported only once for each function it appears in 41 | return true; | ^~~~ include/linux/mmu_context.h:42:1: error: control reaches end of non-void function [-Werror=return-type] 42 | } | ^ cc1: some warnings being treated as errors vim +10 include/asm-generic/mm_hooks.h d6dd61c831226f Jeremy Fitzhardinge 2007-05-02 9 c10e83f598d080 Thomas Gleixner 2017-12-14 @10 static inline int arch_dup_mmap(struct mm_struct *oldmm, d6dd61c831226f Jeremy Fitzhardinge 2007-05-02 11 struct mm_struct *mm) d6dd61c831226f Jeremy Fitzhardinge 2007-05-02 12 { c10e83f598d080 Thomas Gleixner 2017-12-14 13 return 0; d6dd61c831226f Jeremy Fitzhardinge 2007-05-02 14 } d6dd61c831226f Jeremy Fitzhardinge 2007-05-02 15 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
