Messages in this thread |  | | Date | Tue, 4 Feb 2020 14:29:54 +0800 | From | kbuild test robot <> | Subject | arch/riscv/include/asm/pgtable-64.h:64:1: warning: control reaches end of non-void function |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: d4e9056daedca3891414fe3c91de3449a5dad0f2 commit: 8ad8b72721d0f07fa02dbe71f901743f9c71c8e6 riscv: Add KASAN support date: 12 days ago config: riscv-randconfig-a001-20200204 (attached as .config) compiler: riscv64-linux-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 8ad8b72721d0f07fa02dbe71f901743f9c71c8e6 # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=riscv
If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from arch/riscv/include/asm/page.h:131:0, from arch/riscv/include/asm/thread_info.h:11, from include/linux/thread_info.h:38, from include/asm-generic/preempt.h:5, from ./arch/riscv/include/generated/asm/preempt.h:1, from include/linux/preempt.h:78, from include/linux/spinlock.h:51, from include/linux/mmzone.h:8, from include/linux/gfp.h:6, from include/linux/mm.h:10, from include/linux/memblock.h:13, from mm/kasan/init.c:14: arch/riscv/include/asm/pgtable-64.h: In function 'pud_page': include/asm-generic/memory_model.h:54:29: error: 'vmemmap' undeclared (first use in this function); did you mean 'mem_map'? #define __pfn_to_page(pfn) (vmemmap + (pfn)) ^ include/asm-generic/memory_model.h:82:21: note: in expansion of macro '__pfn_to_page' #define pfn_to_page __pfn_to_page ^~~~~~~~~~~~~ arch/riscv/include/asm/pgtable-64.h:63:9: note: in expansion of macro 'pfn_to_page' return pfn_to_page(pud_val(pud) >> _PAGE_PFN_SHIFT); ^~~~~~~~~~~ include/asm-generic/memory_model.h:54:29: note: each undeclared identifier is reported only once for each function it appears in #define __pfn_to_page(pfn) (vmemmap + (pfn)) ^ include/asm-generic/memory_model.h:82:21: note: in expansion of macro '__pfn_to_page' #define pfn_to_page __pfn_to_page ^~~~~~~~~~~~~ arch/riscv/include/asm/pgtable-64.h:63:9: note: in expansion of macro 'pfn_to_page' return pfn_to_page(pud_val(pud) >> _PAGE_PFN_SHIFT); ^~~~~~~~~~~ In file included from arch/riscv/include/asm/pgtable.h:23:0, from include/linux/mm.h:99, from include/linux/memblock.h:13, from mm/kasan/init.c:14: >> arch/riscv/include/asm/pgtable-64.h:64:1: warning: control reaches end of non-void function [-Wreturn-type] } ^
vim +64 arch/riscv/include/asm/pgtable-64.h
60 61 static inline struct page *pud_page(pud_t pud) 62 { 63 return pfn_to_page(pud_val(pud) >> _PAGE_PFN_SHIFT); > 64 } 65
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