Messages in this thread | | | Date | Sat, 29 Jul 2023 09:09:44 +0800 | From | kernel test robot <> | Subject | Re: [PATCH v5 1/2] ring-buffer: Introducing ring-buffer mapping functions |
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Hi Vincent,
kernel test robot noticed the following build errors:
[auto build test ERROR on linus/master] [cannot apply to rostedt-trace/for-next rostedt-trace/for-next-urgent] [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/Vincent-Donnefort/ring-buffer-Introducing-ring-buffer-mapping-functions/20230729-005300 base: linus/master patch link: https://lore.kernel.org/r/20230728164754.460767-2-vdonnefort%40google.com patch subject: [PATCH v5 1/2] ring-buffer: Introducing ring-buffer mapping functions config: arm-randconfig-r033-20230728 (https://download.01.org/0day-ci/archive/20230729/202307290828.WNBmhbTA-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce: (https://download.01.org/0day-ci/archive/20230729/202307290828.WNBmhbTA-lkp@intel.com/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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202307290828.WNBmhbTA-lkp@intel.com/
All errors (new ones prefixed by >>):
>> kernel/trace/ring_buffer.c:5946:16: error: incompatible integer to pointer conversion passing 'unsigned long' to parameter of type 'const void *' [-Wint-conversion] 5946 | virt_to_page(cpu_buffer->page_ids[i])->mapping = NULL; | ^~~~~~~~~~~~~~~~~~~~~~~ arch/arm/include/asm/memory.h:390:53: note: expanded from macro 'virt_to_page' 390 | #define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr)) | ^~~~~ include/asm-generic/memory_model.h:18:41: note: expanded from macro '__pfn_to_page' 18 | #define __pfn_to_page(pfn) (mem_map + ((pfn) - ARCH_PFN_OFFSET)) | ^~~ arch/arm/include/asm/memory.h:296:53: note: passing argument to parameter 'p' here 296 | static inline unsigned long virt_to_pfn(const void *p) | ^ kernel/trace/ring_buffer.c:5968:15: error: incompatible integer to pointer conversion passing 'unsigned long' to parameter of type 'const void *' [-Wint-conversion] 5968 | virt_to_page(addr)->mapping = NULL; | ^~~~ arch/arm/include/asm/memory.h:390:53: note: expanded from macro 'virt_to_page' 390 | #define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr)) | ^~~~~ include/asm-generic/memory_model.h:18:41: note: expanded from macro '__pfn_to_page' 18 | #define __pfn_to_page(pfn) (mem_map + ((pfn) - ARCH_PFN_OFFSET)) | ^~~ arch/arm/include/asm/memory.h:296:53: note: passing argument to parameter 'p' here 296 | static inline unsigned long virt_to_pfn(const void *p) | ^ kernel/trace/ring_buffer.c:6156:22: error: incompatible integer to pointer conversion passing 'unsigned long' to parameter of type 'const void *' [-Wint-conversion] 6156 | return virt_to_page(cpu_buffer->page_ids[pgoff]); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm/include/asm/memory.h:390:53: note: expanded from macro 'virt_to_page' 390 | #define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr)) | ^~~~~ include/asm-generic/memory_model.h:18:41: note: expanded from macro '__pfn_to_page' 18 | #define __pfn_to_page(pfn) (mem_map + ((pfn) - ARCH_PFN_OFFSET)) | ^~~ arch/arm/include/asm/memory.h:296:53: note: passing argument to parameter 'p' here 296 | static inline unsigned long virt_to_pfn(const void *p) | ^ 3 errors generated.
vim +5946 kernel/trace/ring_buffer.c
5940 5941 static void rb_free_page_ids(struct ring_buffer_per_cpu *cpu_buffer) 5942 { 5943 int i; 5944 5945 for (i = 0; i < cpu_buffer->nr_pages + 1; i++) > 5946 virt_to_page(cpu_buffer->page_ids[i])->mapping = NULL; 5947 5948 kfree(cpu_buffer->page_ids); 5949 cpu_buffer->page_ids = NULL; 5950 } 5951
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