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Date: Sat, 22 Jul 2017 11:45:55 +0800
From: kbuild test robot <lkp@...el.com>
To: Martin Wilck <mwilck@...e.com>
Cc: kbuild-all@...org, Christoph Hellwig <hch@....de>,
Keith Busch <keith.busch@...el.com>,
Sagi Grimberg <sagi@...mberg.me>,
Martin Wilck <mwilck@...e.de>,
Johannes Thumshirn <jthumshirn@...e.de>,
Hannes Reinecke <hare@...e.de>, linux-nvme@...ts.infradead.org,
linux-kernel@...r.kernel.org, joe@...ches.com
Subject: Re: [PATCH v3 1/3] string.h: add memcpy_and_pad()
Hi Martin,
[auto build test WARNING on linus/master]
[also build test WARNING on v4.13-rc1 next-20170721]
[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/Martin-Wilck/Improve-readbility-of-NVME-wwid-attribute/20170722-110309
config: x86_64-randconfig-x005-201729 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All warnings (new ones prefixed by >>):
In file included from include/uapi/linux/stddef.h:1:0,
from include/linux/stddef.h:4,
from include/uapi/linux/posix_types.h:4,
from include/uapi/linux/types.h:13,
from include/linux/types.h:5,
from include/linux/mod_devicetable.h:11,
from scripts/mod/devicetable-offsets.c:2:
>> include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memcpy_and_pad' which is not static
______f = { \
^
include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
^~~~~~~~~~
include/linux/string.h:421:2: note: in expansion of macro 'if'
if (dest_len > count) {
^~
>> include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memcpy_and_pad' which is not static
______f = { \
^
include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
^~~~~~~~~~
include/linux/string.h:419:2: note: in expansion of macro 'if'
if (dest_size < dest_len)
^~
>> include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memcpy_and_pad' which is not static
______f = { \
^
include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
^~~~~~~~~~
include/linux/string.h:416:8: note: in expansion of macro 'if'
else if (src_size < dest_len && src_size < count)
^~
>> include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memcpy_and_pad' which is not static
______f = { \
^
include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
^~~~~~~~~~
include/linux/string.h:414:3: note: in expansion of macro 'if'
if (dest_size < dest_len && dest_size < count)
^~
>> include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memcpy_and_pad' which is not static
______f = { \
^
include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
^~~~~~~~~~
include/linux/string.h:413:2: note: in expansion of macro 'if'
if (__builtin_constant_p(dest_len) && __builtin_constant_p(count)) {
^~
include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'strcpy' which is not static
______f = { \
^
include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
^~~~~~~~~~
include/linux/string.h:391:2: note: in expansion of macro 'if'
if (p_size == (size_t)-1 && q_size == (size_t)-1)
^~
include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'kmemdup' which is not static
______f = { \
^
include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
^~~~~~~~~~
include/linux/string.h:381:2: note: in expansion of macro 'if'
if (p_size < size)
^~
include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'kmemdup' which is not static
______f = { \
^
include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
^~~~~~~~~~
include/linux/string.h:379:2: note: in expansion of macro 'if'
if (__builtin_constant_p(size) && p_size < size)
^~
include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memchr_inv' which is not static
______f = { \
^
include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
^~~~~~~~~~
include/linux/string.h:370:2: note: in expansion of macro 'if'
if (p_size < size)
^~
include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memchr_inv' which is not static
______f = { \
^
include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
^~~~~~~~~~
include/linux/string.h:368:2: note: in expansion of macro 'if'
if (__builtin_constant_p(size) && p_size < size)
^~
include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memchr' which is not static
______f = { \
^
include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
^~~~~~~~~~
include/linux/string.h:359:2: note: in expansion of macro 'if'
if (p_size < size)
^~
include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memchr' which is not static
______f = { \
^
include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
^~~~~~~~~~
include/linux/string.h:357:2: note: in expansion of macro 'if'
if (__builtin_constant_p(size) && p_size < size)
^~
include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memcmp' which is not static
______f = { \
^
include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
^~~~~~~~~~
include/linux/string.h:349:2: note: in expansion of macro 'if'
if (p_size < size || q_size < size)
^~
include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memcmp' which is not static
______f = { \
^
include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
^~~~~~~~~~
include/linux/string.h:346:3: note: in expansion of macro 'if'
if (q_size < size)
^~
include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memcmp' which is not static
______f = { \
^
include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if'
#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
^~~~~~~~~~
include/linux/string.h:344:3: note: in expansion of macro 'if'
if (p_size < size)
^~
include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memcmp' which is not static
______f = { \
vim +162 include/linux/compiler.h
2bcd521a Steven Rostedt 2008-11-21 148
2bcd521a Steven Rostedt 2008-11-21 149 #ifdef CONFIG_PROFILE_ALL_BRANCHES
2bcd521a Steven Rostedt 2008-11-21 150 /*
2bcd521a Steven Rostedt 2008-11-21 151 * "Define 'is'", Bill Clinton
2bcd521a Steven Rostedt 2008-11-21 152 * "Define 'if'", Steven Rostedt
2bcd521a Steven Rostedt 2008-11-21 153 */
ab3c9c68 Linus Torvalds 2009-04-07 154 #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
ab3c9c68 Linus Torvalds 2009-04-07 155 #define __trace_if(cond) \
b33c8ff4 Arnd Bergmann 2016-02-12 156 if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
2bcd521a Steven Rostedt 2008-11-21 157 ({ \
2bcd521a Steven Rostedt 2008-11-21 158 int ______r; \
2bcd521a Steven Rostedt 2008-11-21 159 static struct ftrace_branch_data \
2bcd521a Steven Rostedt 2008-11-21 160 __attribute__((__aligned__(4))) \
2bcd521a Steven Rostedt 2008-11-21 161 __attribute__((section("_ftrace_branch"))) \
2bcd521a Steven Rostedt 2008-11-21 @162 ______f = { \
2bcd521a Steven Rostedt 2008-11-21 163 .func = __func__, \
2bcd521a Steven Rostedt 2008-11-21 164 .file = __FILE__, \
2bcd521a Steven Rostedt 2008-11-21 165 .line = __LINE__, \
2bcd521a Steven Rostedt 2008-11-21 166 }; \
2bcd521a Steven Rostedt 2008-11-21 167 ______r = !!(cond); \
97e7e4f3 Witold Baryluk 2009-03-17 168 ______f.miss_hit[______r]++; \
2bcd521a Steven Rostedt 2008-11-21 169 ______r; \
2bcd521a Steven Rostedt 2008-11-21 170 }))
2bcd521a Steven Rostedt 2008-11-21 171 #endif /* CONFIG_PROFILE_ALL_BRANCHES */
2bcd521a Steven Rostedt 2008-11-21 172
:::::: The code at line 162 was first introduced by commit
:::::: 2bcd521a684cc94befbe2ce7d5b613c841b0d304 trace: profile all if conditionals
:::::: TO: Steven Rostedt <srostedt@...hat.com>
:::::: CC: Ingo Molnar <mingo@...e.hu>
---
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