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SubjectRe: [PATCH V7 6/7] LIBIO: Support the dynamically logical PIO registration of ACPI host I/O
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@perches.com>
:::::: CC: Mike Frysinger <vapier@gentoo.org>

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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