tree: https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git work.uaccess head: 96ab63186a96337f75ffe347cef9328d8aadd69e commit: 5821b3d89d534f1fc0df2c67d36dca9b699b34b4 mips: switch to RAW_COPY_USER date: 3 hours ago config: mips-allmodconfig (attached as .config) compiler: mips-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 5821b3d89d534f1fc0df2c67d36dca9b699b34b4 # save the attached .config to linux build tree make.cross ARCH=mips All error/warnings (new ones prefixed by >>): In file included from include/linux/uaccess.h:13:0, from include/linux/highmem.h:8, from include/linux/bio.h:21, from include/linux/writeback.h:205, from include/linux/memcontrol.h:30, from include/linux/swap.h:8, from include/linux/suspend.h:4, from arch/mips/kernel/asm-offsets.c:16: arch/mips/include/asm/uaccess.h: In function 'raw_copy_to_user': >> arch/mips/include/asm/uaccess.h:889:44: error: 'len' undeclared (first use in this function) return __invoke_copy_to_kernel(to, from, len); ^ arch/mips/include/asm/uaccess.h:831:16: note: in definition of macro '__invoke_copy_to' __cu_len_r = (n); \ ^ >> arch/mips/include/asm/uaccess.h:889:10: note: in expansion of macro '__invoke_copy_to_kernel' return __invoke_copy_to_kernel(to, from, len); ^~~~~~~~~~~~~~~~~~~~~~~ arch/mips/include/asm/uaccess.h:889:44: note: each undeclared identifier is reported only once for each function it appears in return __invoke_copy_to_kernel(to, from, len); ^ arch/mips/include/asm/uaccess.h:831:16: note: in definition of macro '__invoke_copy_to' __cu_len_r = (n); \ ^ >> arch/mips/include/asm/uaccess.h:889:10: note: in expansion of macro '__invoke_copy_to_kernel' return __invoke_copy_to_kernel(to, from, len); ^~~~~~~~~~~~~~~~~~~~~~~ arch/mips/include/asm/uaccess.h: In function 'raw_copy_from_user': arch/mips/include/asm/uaccess.h:898:46: error: 'len' undeclared (first use in this function) return __invoke_copy_from_kernel(to, from, len); ^ arch/mips/include/asm/uaccess.h:808:16: note: in definition of macro '__invoke_copy_from' __cu_len_r = (n); \ ^ >> arch/mips/include/asm/uaccess.h:898:10: note: in expansion of macro '__invoke_copy_from_kernel' return __invoke_copy_from_kernel(to, from, len); ^~~~~~~~~~~~~~~~~~~~~~~~~ make[2]: *** [arch/mips/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 +/len +889 arch/mips/include/asm/uaccess.h 883 #endif /* CONFIG_EVA */ 884 885 static inline unsigned long 886 raw_copy_to_user(void __user *to, const void *from, unsigned long n) 887 { 888 if (eva_kernel_access()) > 889 return __invoke_copy_to_kernel(to, from, len); 890 else 891 return __invoke_copy_to_user(to, from, len); 892 } 893 894 static inline unsigned long 895 raw_copy_from_user(void *to, const void __user *from, unsigned long n) 896 { 897 if (eva_kernel_access()) > 898 return __invoke_copy_from_kernel(to, from, len); 899 else 900 return __invoke_copy_from_user(to, from, len); 901 } --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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