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