Hi zhichang.yuan, [auto build test ERROR on linus/master] [also build test ERROR on v4.11-rc2 next-20170310] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/zhichang-yuan/LPC-legacy-ISA-I-O-support/20170314-114635 config: blackfin-allmodconfig (attached as .config) compiler: bfin-uclinux-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 # save the attached .config to linux build tree make.cross ARCH=blackfin All error/warnings (new ones prefixed by >>): include/linux/ratelimit.h: In function 'ratelimit_state_exit': >> arch/blackfin/kernel/module.c:7:40: error: 'mod' undeclared (first use in this function) #define pr_fmt(fmt) "module %s: " fmt, mod->name ^ include/linux/printk.h:303:22: note: in expansion of macro 'pr_fmt' printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) ^~~~~~ include/linux/printk.h:304:17: note: in expansion of macro 'pr_warning' #define pr_warn pr_warning ^~~~~~~~~~ >> include/linux/ratelimit.h:61:3: note: in expansion of macro 'pr_warn' pr_warn("%s: %d output lines suppressed due to ratelimiting\n", ^~~~~~~ arch/blackfin/kernel/module.c:7:40: note: each undeclared identifier is reported only once for each function it appears in #define pr_fmt(fmt) "module %s: " fmt, mod->name ^ include/linux/printk.h:303:22: note: in expansion of macro 'pr_fmt' printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) ^~~~~~ include/linux/printk.h:304:17: note: in expansion of macro 'pr_warning' #define pr_warn pr_warning ^~~~~~~~~~ >> include/linux/ratelimit.h:61:3: note: in expansion of macro 'pr_warn' pr_warn("%s: %d output lines suppressed due to ratelimiting\n", ^~~~~~~ vim +/mod +7 arch/blackfin/kernel/module.c 1394f032 Bryan Wu 2007-05-06 1 /* 96f1050d Robin Getz 2009-09-24 2 * Copyright 2004-2009 Analog Devices Inc. 1394f032 Bryan Wu 2007-05-06 3 * 96f1050d Robin Getz 2009-09-24 4 * Licensed under the GPL-2 or later 1394f032 Bryan Wu 2007-05-06 5 */ 1394f032 Bryan Wu 2007-05-06 6 b75a9e6b Joe Perches 2010-10-20 @7 #define pr_fmt(fmt) "module %s: " fmt, mod->name 1394f032 Bryan Wu 2007-05-06 8 1394f032 Bryan Wu 2007-05-06 9 #include <linux/moduleloader.h> 1394f032 Bryan Wu 2007-05-06 10 #include <linux/elf.h> 1394f032 Bryan Wu 2007-05-06 11 #include <linux/vmalloc.h> 1394f032 Bryan Wu 2007-05-06 12 #include <linux/fs.h> 1394f032 Bryan Wu 2007-05-06 13 #include <linux/string.h> 1394f032 Bryan Wu 2007-05-06 14 #include <linux/kernel.h> 1394f032 Bryan Wu 2007-05-06 15 #include <asm/dma.h> :::::: The code at line 7 was first introduced by commit :::::: b75a9e6bfba5c7343391ac1bacd44d6652dde8da Blackfin: use more standard pr_fmt in the module loader :::::: TO: Joe Perches <joe@xxxxxxxxxxx> :::::: CC: Mike Frysinger <vapier@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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