tree: https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git uaccess.m32r head: e4c2066ba968e2e121b7a907b246485f254d17e6 commit: e4c2066ba968e2e121b7a907b246485f254d17e6 [11/11] m32r: switch to RAW_COPY_USER config: m32r-opsput_defconfig (attached as .config) compiler: m32r-linux-gcc (GCC) 6.2.0 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout e4c2066ba968e2e121b7a907b246485f254d17e6 # save the attached .config to linux build tree make.cross ARCH=m32r All warnings (new ones prefixed by >>): In file included from include/linux/linkage.h:6:0, from include/linux/kernel.h:6, from include/linux/list.h:8, from include/linux/module.h:9, from arch/m32r/kernel/m32r_ksyms.c:1: arch/m32r/kernel/m32r_ksyms.c:29:15: error: '__generic_copy_from_user' undeclared here (not in a function) EXPORT_SYMBOL(__generic_copy_from_user); ^ include/linux/export.h:65:16: note: in definition of macro '___EXPORT_SYMBOL' extern typeof(sym) sym; \ ^~~ >> arch/m32r/kernel/m32r_ksyms.c:29:1: note: in expansion of macro 'EXPORT_SYMBOL' EXPORT_SYMBOL(__generic_copy_from_user); ^~~~~~~~~~~~~ arch/m32r/kernel/m32r_ksyms.c:30:15: error: '__generic_copy_to_user' undeclared here (not in a function) EXPORT_SYMBOL(__generic_copy_to_user); ^ include/linux/export.h:65:16: note: in definition of macro '___EXPORT_SYMBOL' extern typeof(sym) sym; \ ^~~ arch/m32r/kernel/m32r_ksyms.c:30:1: note: in expansion of macro 'EXPORT_SYMBOL' EXPORT_SYMBOL(__generic_copy_to_user); ^~~~~~~~~~~~~ vim +/EXPORT_SYMBOL +29 arch/m32r/kernel/m32r_ksyms.c ^1da177e4 Linus Torvalds 2005-04-16 @1 #include <linux/module.h> ^1da177e4 Linus Torvalds 2005-04-16 2 #include <linux/smp.h> ^1da177e4 Linus Torvalds 2005-04-16 3 #include <linux/user.h> ^1da177e4 Linus Torvalds 2005-04-16 4 #include <linux/elfcore.h> ^1da177e4 Linus Torvalds 2005-04-16 5 #include <linux/sched.h> ^1da177e4 Linus Torvalds 2005-04-16 6 #include <linux/in6.h> ^1da177e4 Linus Torvalds 2005-04-16 7 #include <linux/interrupt.h> ^1da177e4 Linus Torvalds 2005-04-16 8 #include <linux/string.h> ^1da177e4 Linus Torvalds 2005-04-16 9 ^1da177e4 Linus Torvalds 2005-04-16 10 #include <asm/processor.h> 7c0f6ba68 Linus Torvalds 2016-12-24 11 #include <linux/uaccess.h> ^1da177e4 Linus Torvalds 2005-04-16 12 #include <asm/checksum.h> ^1da177e4 Linus Torvalds 2005-04-16 13 #include <asm/io.h> ^1da177e4 Linus Torvalds 2005-04-16 14 #include <asm/delay.h> ^1da177e4 Linus Torvalds 2005-04-16 15 #include <asm/irq.h> ^1da177e4 Linus Torvalds 2005-04-16 16 #include <asm/tlbflush.h> affa6b120 Adrian Bunk 2008-09-24 17 #include <asm/pgtable.h> ^1da177e4 Linus Torvalds 2005-04-16 18 ^1da177e4 Linus Torvalds 2005-04-16 19 /* platform dependent support */ ^1da177e4 Linus Torvalds 2005-04-16 20 EXPORT_SYMBOL(boot_cpu_data); ^1da177e4 Linus Torvalds 2005-04-16 21 EXPORT_SYMBOL(dump_fpu); ^1da177e4 Linus Torvalds 2005-04-16 22 EXPORT_SYMBOL(__ioremap); ^1da177e4 Linus Torvalds 2005-04-16 23 EXPORT_SYMBOL(iounmap); ^1da177e4 Linus Torvalds 2005-04-16 24 ^1da177e4 Linus Torvalds 2005-04-16 25 EXPORT_SYMBOL(strncpy_from_user); ^1da177e4 Linus Torvalds 2005-04-16 26 EXPORT_SYMBOL(__strncpy_from_user); ^1da177e4 Linus Torvalds 2005-04-16 27 EXPORT_SYMBOL(clear_user); ^1da177e4 Linus Torvalds 2005-04-16 28 EXPORT_SYMBOL(__clear_user); ^1da177e4 Linus Torvalds 2005-04-16 @29 EXPORT_SYMBOL(__generic_copy_from_user); ^1da177e4 Linus Torvalds 2005-04-16 30 EXPORT_SYMBOL(__generic_copy_to_user); ^1da177e4 Linus Torvalds 2005-04-16 31 EXPORT_SYMBOL(strnlen_user); ^1da177e4 Linus Torvalds 2005-04-16 32 :::::: The code at line 29 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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