tree: https://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux.git modules-ld-ams head: d78091062eb19d9e885d04feb1a57ca8380efc79 commit: d78091062eb19d9e885d04feb1a57ca8380efc79 [3/3] wip config: xtensa-common_defconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout d78091062eb19d9e885d04feb1a57ca8380efc79 # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=xtensa If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): In file included from include/linux/linkage.h:7:0, from include/linux/kernel.h:8, from drivers/base/power/clock_ops.c:8: include/linux/export.h:69:27: error: '__kstrtab_pm_clk_add_notifier' undeclared here (not in a function); did you mean '__ksymtab_pm_clk_add_notifier'? = { (unsigned long)&sym, __kstrtab_##sym, __kstrtabns_##sym } ^ include/linux/export.h:102:2: note: in expansion of macro '__KSYMTAB_ENTRY' __KSYMTAB_ENTRY(sym, sec) ^~~~~~~~~~~~~~~ include/linux/export.h:141:39: note: in expansion of macro '___EXPORT_SYMBOL' #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) ^~~~~~~~~~~~~~~~ include/linux/export.h:149:34: note: in expansion of macro '__EXPORT_SYMBOL' #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") ^~~~~~~~~~~~~~~ include/linux/export.h:153:33: note: in expansion of macro '_EXPORT_SYMBOL' #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") ^~~~~~~~~~~~~~ EXPORT_SYMBOL_GPL(pm_clk_add_notifier); ^~~~~~~~~~~~~~~~~ include/linux/export.h:69:44: error: '__kstrtabns_pm_clk_add_notifier' undeclared here (not in a function); did you mean '__kstrtab_pm_clk_add_notifier'? = { (unsigned long)&sym, __kstrtab_##sym, __kstrtabns_##sym } ^ include/linux/export.h:102:2: note: in expansion of macro '__KSYMTAB_ENTRY' __KSYMTAB_ENTRY(sym, sec) ^~~~~~~~~~~~~~~ include/linux/export.h:141:39: note: in expansion of macro '___EXPORT_SYMBOL' #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) ^~~~~~~~~~~~~~~~ include/linux/export.h:149:34: note: in expansion of macro '__EXPORT_SYMBOL' #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") ^~~~~~~~~~~~~~~ include/linux/export.h:153:33: note: in expansion of macro '_EXPORT_SYMBOL' #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") ^~~~~~~~~~~~~~ EXPORT_SYMBOL_GPL(pm_clk_add_notifier); ^~~~~~~~~~~~~~~~~ -- In file included from kernel///rcu/srcutiny.c:11:0: include/linux/export.h:69:27: error: '__kstrtab_init_srcu_struct' undeclared here (not in a function); did you mean '__ksymtab_init_srcu_struct'? = { (unsigned long)&sym, __kstrtab_##sym, __kstrtabns_##sym } ^ include/linux/export.h:102:2: note: in expansion of macro '__KSYMTAB_ENTRY' __KSYMTAB_ENTRY(sym, sec) ^~~~~~~~~~~~~~~ include/linux/export.h:141:39: note: in expansion of macro '___EXPORT_SYMBOL' #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) ^~~~~~~~~~~~~~~~ include/linux/export.h:149:34: note: in expansion of macro '__EXPORT_SYMBOL' #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") ^~~~~~~~~~~~~~~ include/linux/export.h:153:33: note: in expansion of macro '_EXPORT_SYMBOL' #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") ^~~~~~~~~~~~~~ EXPORT_SYMBOL_GPL(init_srcu_struct); ^~~~~~~~~~~~~~~~~ include/linux/export.h:69:44: error: '__kstrtabns_init_srcu_struct' undeclared here (not in a function); did you mean '__kstrtab_init_srcu_struct'? = { (unsigned long)&sym, __kstrtab_##sym, __kstrtabns_##sym } ^ include/linux/export.h:102:2: note: in expansion of macro '__KSYMTAB_ENTRY' __KSYMTAB_ENTRY(sym, sec) ^~~~~~~~~~~~~~~ include/linux/export.h:141:39: note: in expansion of macro '___EXPORT_SYMBOL' #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) ^~~~~~~~~~~~~~~~ include/linux/export.h:149:34: note: in expansion of macro '__EXPORT_SYMBOL' #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") ^~~~~~~~~~~~~~~ include/linux/export.h:153:33: note: in expansion of macro '_EXPORT_SYMBOL' #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") ^~~~~~~~~~~~~~ EXPORT_SYMBOL_GPL(init_srcu_struct); ^~~~~~~~~~~~~~~~~ include/linux/export.h:69:27: error: '__kstrtab_cleanup_srcu_struct' undeclared here (not in a function); did you mean '__ksymtab_cleanup_srcu_struct'? = { (unsigned long)&sym, __kstrtab_##sym, __kstrtabns_##sym } ^ include/linux/export.h:102:2: note: in expansion of macro '__KSYMTAB_ENTRY' __KSYMTAB_ENTRY(sym, sec) ^~~~~~~~~~~~~~~ include/linux/export.h:141:39: note: in expansion of macro '___EXPORT_SYMBOL' #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) ^~~~~~~~~~~~~~~~ include/linux/export.h:149:34: note: in expansion of macro '__EXPORT_SYMBOL' #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") ^~~~~~~~~~~~~~~ include/linux/export.h:153:33: note: in expansion of macro '_EXPORT_SYMBOL' #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") ^~~~~~~~~~~~~~ kernel///rcu/srcutiny.c:88:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL' EXPORT_SYMBOL_GPL(cleanup_srcu_struct); ^~~~~~~~~~~~~~~~~ include/linux/export.h:69:44: error: '__kstrtabns_cleanup_srcu_struct' undeclared here (not in a function); did you mean '__kstrtab_cleanup_srcu_struct'? = { (unsigned long)&sym, __kstrtab_##sym, __kstrtabns_##sym } ^ include/linux/export.h:102:2: note: in expansion of macro '__KSYMTAB_ENTRY' __KSYMTAB_ENTRY(sym, sec) ^~~~~~~~~~~~~~~ include/linux/export.h:141:39: note: in expansion of macro '___EXPORT_SYMBOL' #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) ^~~~~~~~~~~~~~~~ include/linux/export.h:149:34: note: in expansion of macro '__EXPORT_SYMBOL' #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") ^~~~~~~~~~~~~~~ include/linux/export.h:153:33: note: in expansion of macro '_EXPORT_SYMBOL' #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") ^~~~~~~~~~~~~~ kernel///rcu/srcutiny.c:88:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL' EXPORT_SYMBOL_GPL(cleanup_srcu_struct); ^~~~~~~~~~~~~~~~~ include/linux/export.h:69:27: error: '__kstrtab___srcu_read_unlock' undeclared here (not in a function); did you mean '__ksymtab___srcu_read_unlock'? = { (unsigned long)&sym, __kstrtab_##sym, __kstrtabns_##sym } ^ include/linux/export.h:102:2: note: in expansion of macro '__KSYMTAB_ENTRY' __KSYMTAB_ENTRY(sym, sec) ^~~~~~~~~~~~~~~ include/linux/export.h:141:39: note: in expansion of macro '___EXPORT_SYMBOL' #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) ^~~~~~~~~~~~~~~~ include/linux/export.h:149:34: note: in expansion of macro '__EXPORT_SYMBOL' #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") ^~~~~~~~~~~~~~~ include/linux/export.h:153:33: note: in expansion of macro '_EXPORT_SYMBOL' #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") ^~~~~~~~~~~~~~ kernel///rcu/srcutiny.c:102:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL' EXPORT_SYMBOL_GPL(__srcu_read_unlock); ^~~~~~~~~~~~~~~~~ include/linux/export.h:69:44: error: '__kstrtabns___srcu_read_unlock' undeclared here (not in a function); did you mean '__kstrtab___srcu_read_unlock'? = { (unsigned long)&sym, __kstrtab_##sym, __kstrtabns_##sym } ^ include/linux/export.h:102:2: note: in expansion of macro '__KSYMTAB_ENTRY' __KSYMTAB_ENTRY(sym, sec) ^~~~~~~~~~~~~~~ include/linux/export.h:141:39: note: in expansion of macro '___EXPORT_SYMBOL' #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) ^~~~~~~~~~~~~~~~ include/linux/export.h:149:34: note: in expansion of macro '__EXPORT_SYMBOL' #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") ^~~~~~~~~~~~~~~ include/linux/export.h:153:33: note: in expansion of macro '_EXPORT_SYMBOL' #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") ^~~~~~~~~~~~~~ kernel///rcu/srcutiny.c:102:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL' EXPORT_SYMBOL_GPL(__srcu_read_unlock); ^~~~~~~~~~~~~~~~~ = { (unsigned long)&sym, __kstrtab_##sym, __kstrtabns_##sym } ^ include/linux/export.h:102:2: note: in expansion of macro '__KSYMTAB_ENTRY' __KSYMTAB_ENTRY(sym, sec) ^~~~~~~~~~~~~~~ include/linux/export.h:141:39: note: in expansion of macro '___EXPORT_SYMBOL' #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) ^~~~~~~~~~~~~~~~ include/linux/export.h:149:34: note: in expansion of macro '__EXPORT_SYMBOL' #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") ^~~~~~~~~~~~~~~ include/linux/export.h:153:33: note: in expansion of macro '_EXPORT_SYMBOL' #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") ^~~~~~~~~~~~~~ kernel///rcu/srcutiny.c:152:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL' EXPORT_SYMBOL_GPL(srcu_drive_gp); ^~~~~~~~~~~~~~~~~ = { (unsigned long)&sym, __kstrtab_##sym, __kstrtabns_##sym } ^ include/linux/export.h:102:2: note: in expansion of macro '__KSYMTAB_ENTRY' __KSYMTAB_ENTRY(sym, sec) ^~~~~~~~~~~~~~~ include/linux/export.h:141:39: note: in expansion of macro '___EXPORT_SYMBOL' #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) ^~~~~~~~~~~~~~~~ include/linux/export.h:149:34: note: in expansion of macro '__EXPORT_SYMBOL' #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") ^~~~~~~~~~~~~~~ include/linux/export.h:153:33: note: in expansion of macro '_EXPORT_SYMBOL' #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") ^~~~~~~~~~~~~~ kernel///rcu/srcutiny.c:152:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL' EXPORT_SYMBOL_GPL(srcu_drive_gp); ^~~~~~~~~~~~~~~~~ include/linux/export.h:69:27: error: '__kstrtab_call_srcu' undeclared here (not in a function); did you mean '__ksymtab_call_srcu'? = { (unsigned long)&sym, __kstrtab_##sym, __kstrtabns_##sym } ^ include/linux/export.h:102:2: note: in expansion of macro '__KSYMTAB_ENTRY' __KSYMTAB_ENTRY(sym, sec) ^~~~~~~~~~~~~~~ include/linux/export.h:141:39: note: in expansion of macro '___EXPORT_SYMBOL' #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) ^~~~~~~~~~~~~~~~ include/linux/export.h:149:34: note: in expansion of macro '__EXPORT_SYMBOL' #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") ^~~~~~~~~~~~~~~ include/linux/export.h:153:33: note: in expansion of macro '_EXPORT_SYMBOL' #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") ^~~~~~~~~~~~~~ kernel///rcu/srcutiny.c:176:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL' EXPORT_SYMBOL_GPL(call_srcu); ^~~~~~~~~~~~~~~~~ include/linux/export.h:69:44: error: '__kstrtabns_call_srcu' undeclared here (not in a function); did you mean '__kstrtab_call_srcu'? = { (unsigned long)&sym, __kstrtab_##sym, __kstrtabns_##sym } ^ include/linux/export.h:102:2: note: in expansion of macro '__KSYMTAB_ENTRY' __KSYMTAB_ENTRY(sym, sec) ^~~~~~~~~~~~~~~ include/linux/export.h:141:39: note: in expansion of macro '___EXPORT_SYMBOL' #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) ^~~~~~~~~~~~~~~~ include/linux/export.h:149:34: note: in expansion of macro '__EXPORT_SYMBOL' #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") ^~~~~~~~~~~~~~~ include/linux/export.h:153:33: note: in expansion of macro '_EXPORT_SYMBOL' #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") ^~~~~~~~~~~~~~ kernel///rcu/srcutiny.c:176:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL' EXPORT_SYMBOL_GPL(call_srcu); ^~~~~~~~~~~~~~~~~ include/linux/export.h:69:27: error: '__kstrtab_synchronize_srcu' undeclared here (not in a function); did you mean '__ksymtab_synchronize_srcu'? = { (unsigned long)&sym, __kstrtab_##sym, __kstrtabns_##sym } ^ include/linux/export.h:102:2: note: in expansion of macro '__KSYMTAB_ENTRY' __KSYMTAB_ENTRY(sym, sec) ^~~~~~~~~~~~~~~ include/linux/export.h:141:39: note: in expansion of macro '___EXPORT_SYMBOL' #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) ^~~~~~~~~~~~~~~~ include/linux/export.h:149:34: note: in expansion of macro '__EXPORT_SYMBOL' #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") ^~~~~~~~~~~~~~~ include/linux/export.h:153:33: note: in expansion of macro '_EXPORT_SYMBOL' #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") ^~~~~~~~~~~~~~ kernel///rcu/srcutiny.c:191:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL' EXPORT_SYMBOL_GPL(synchronize_srcu); ^~~~~~~~~~~~~~~~~ include/linux/export.h:69:44: error: '__kstrtabns_synchronize_srcu' undeclared here (not in a function); did you mean '__kstrtab_synchronize_srcu'? = { (unsigned long)&sym, __kstrtab_##sym, __kstrtabns_##sym } ^ include/linux/export.h:102:2: note: in expansion of macro '__KSYMTAB_ENTRY' __KSYMTAB_ENTRY(sym, sec) ^~~~~~~~~~~~~~~ include/linux/export.h:141:39: note: in expansion of macro '___EXPORT_SYMBOL' #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) ^~~~~~~~~~~~~~~~ include/linux/export.h:149:34: note: in expansion of macro '__EXPORT_SYMBOL' #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") ^~~~~~~~~~~~~~~ include/linux/export.h:153:33: note: in expansion of macro '_EXPORT_SYMBOL' #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") ^~~~~~~~~~~~~~ kernel///rcu/srcutiny.c:191:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL' EXPORT_SYMBOL_GPL(synchronize_srcu); ^~~~~~~~~~~~~~~~~ -- In file included from include/linux/linkage.h:7:0, from include/linux/kernel.h:8, from include/linux/list.h:9, from include/linux/wait.h:7, from include/linux/completion.h:12, from kernel///rcu/tiny.c:12: include/linux/export.h:69:27: error: '__kstrtab_rcu_barrier' undeclared here (not in a function); did you mean '__ksymtab_rcu_barrier'? = { (unsigned long)&sym, __kstrtab_##sym, __kstrtabns_##sym } ^ include/linux/export.h:102:2: note: in expansion of macro '__KSYMTAB_ENTRY' __KSYMTAB_ENTRY(sym, sec) ^~~~~~~~~~~~~~~ include/linux/export.h:141:39: note: in expansion of macro '___EXPORT_SYMBOL' #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) ^~~~~~~~~~~~~~~~ include/linux/export.h:149:34: note: in expansion of macro '__EXPORT_SYMBOL' #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") ^~~~~~~~~~~~~~~ include/linux/export.h:152:29: note: in expansion of macro '_EXPORT_SYMBOL' #define EXPORT_SYMBOL(sym) _EXPORT_SYMBOL(sym, "") ^~~~~~~~~~~~~~ EXPORT_SYMBOL(rcu_barrier); ^~~~~~~~~~~~~ include/linux/export.h:69:44: error: '__kstrtabns_rcu_barrier' undeclared here (not in a function); did you mean '__kstrtab_rcu_barrier'? = { (unsigned long)&sym, __kstrtab_##sym, __kstrtabns_##sym } ^ include/linux/export.h:102:2: note: in expansion of macro '__KSYMTAB_ENTRY' __KSYMTAB_ENTRY(sym, sec) ^~~~~~~~~~~~~~~ include/linux/export.h:141:39: note: in expansion of macro '___EXPORT_SYMBOL' #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) ^~~~~~~~~~~~~~~~ include/linux/export.h:149:34: note: in expansion of macro '__EXPORT_SYMBOL' #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") ^~~~~~~~~~~~~~~ include/linux/export.h:152:29: note: in expansion of macro '_EXPORT_SYMBOL' #define EXPORT_SYMBOL(sym) _EXPORT_SYMBOL(sym, "") ^~~~~~~~~~~~~~ EXPORT_SYMBOL(rcu_barrier); ^~~~~~~~~~~~~ include/linux/export.h:69:27: error: '__kstrtab_synchronize_rcu' undeclared here (not in a function); did you mean '__ksymtab_synchronize_rcu'? = { (unsigned long)&sym, __kstrtab_##sym, __kstrtabns_##sym } ^ include/linux/export.h:102:2: note: in expansion of macro '__KSYMTAB_ENTRY' __KSYMTAB_ENTRY(sym, sec) ^~~~~~~~~~~~~~~ include/linux/export.h:141:39: note: in expansion of macro '___EXPORT_SYMBOL' #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) ^~~~~~~~~~~~~~~~ include/linux/export.h:149:34: note: in expansion of macro '__EXPORT_SYMBOL' #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") ^~~~~~~~~~~~~~~ include/linux/export.h:153:33: note: in expansion of macro '_EXPORT_SYMBOL' #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") ^~~~~~~~~~~~~~ EXPORT_SYMBOL_GPL(synchronize_rcu); ^~~~~~~~~~~~~~~~~ include/linux/export.h:69:44: error: '__kstrtabns_synchronize_rcu' undeclared here (not in a function); did you mean '__kstrtab_synchronize_rcu'? = { (unsigned long)&sym, __kstrtab_##sym, __kstrtabns_##sym } ^ include/linux/export.h:102:2: note: in expansion of macro '__KSYMTAB_ENTRY' __KSYMTAB_ENTRY(sym, sec) ^~~~~~~~~~~~~~~ include/linux/export.h:141:39: note: in expansion of macro '___EXPORT_SYMBOL' #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) ^~~~~~~~~~~~~~~~ include/linux/export.h:149:34: note: in expansion of macro '__EXPORT_SYMBOL' #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") ^~~~~~~~~~~~~~~ include/linux/export.h:153:33: note: in expansion of macro '_EXPORT_SYMBOL' #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") ^~~~~~~~~~~~~~ EXPORT_SYMBOL_GPL(synchronize_rcu); ^~~~~~~~~~~~~~~~~ include/linux/export.h:69:27: error: '__kstrtab_call_rcu' undeclared here (not in a function); did you mean '__ksymtab_call_rcu'? = { (unsigned long)&sym, __kstrtab_##sym, __kstrtabns_##sym } ^ include/linux/export.h:102:2: note: in expansion of macro '__KSYMTAB_ENTRY' __KSYMTAB_ENTRY(sym, sec) ^~~~~~~~~~~~~~~ include/linux/export.h:141:39: note: in expansion of macro '___EXPORT_SYMBOL' #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) ^~~~~~~~~~~~~~~~ include/linux/export.h:149:34: note: in expansion of macro '__EXPORT_SYMBOL' #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") ^~~~~~~~~~~~~~~ include/linux/export.h:153:33: note: in expansion of macro '_EXPORT_SYMBOL' #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") ^~~~~~~~~~~~~~ kernel///rcu/tiny.c:151:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL' EXPORT_SYMBOL_GPL(call_rcu); ^~~~~~~~~~~~~~~~~ include/linux/export.h:69:44: error: '__kstrtabns_call_rcu' undeclared here (not in a function); did you mean '__kstrtab_call_rcu'? = { (unsigned long)&sym, __kstrtab_##sym, __kstrtabns_##sym } ^ include/linux/export.h:102:2: note: in expansion of macro '__KSYMTAB_ENTRY' __KSYMTAB_ENTRY(sym, sec) ^~~~~~~~~~~~~~~ include/linux/export.h:141:39: note: in expansion of macro '___EXPORT_SYMBOL' #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) ^~~~~~~~~~~~~~~~ include/linux/export.h:149:34: note: in expansion of macro '__EXPORT_SYMBOL' #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") ^~~~~~~~~~~~~~~ include/linux/export.h:153:33: note: in expansion of macro '_EXPORT_SYMBOL' #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") ^~~~~~~~~~~~~~ kernel///rcu/tiny.c:151:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL' EXPORT_SYMBOL_GPL(call_rcu); ^~~~~~~~~~~~~~~~~ .. vim +69 include/linux/export.h f50169324df4ad Paul Gortmaker 2011-05-23 40 7290d58095712a Ard Biesheuvel 2018-08-21 41 #ifdef CONFIG_HAVE_ARCH_PREL32_RELOCATIONS 7290d58095712a Ard Biesheuvel 2018-08-21 42 #include <linux/compiler.h> 7290d58095712a Ard Biesheuvel 2018-08-21 43 /* 7290d58095712a Ard Biesheuvel 2018-08-21 44 * Emit the ksymtab entry as a pair of relative references: this reduces 7290d58095712a Ard Biesheuvel 2018-08-21 45 * the size by half on 64-bit architectures, and eliminates the need for 7290d58095712a Ard Biesheuvel 2018-08-21 46 * absolute relocations that require runtime processing on relocatable 7290d58095712a Ard Biesheuvel 2018-08-21 47 * kernels. 7290d58095712a Ard Biesheuvel 2018-08-21 48 */ 7290d58095712a Ard Biesheuvel 2018-08-21 49 #define __KSYMTAB_ENTRY(sym, sec) \ 7290d58095712a Ard Biesheuvel 2018-08-21 50 __ADDRESSABLE(sym) \ 7290d58095712a Ard Biesheuvel 2018-08-21 51 asm(" .section \"___ksymtab" sec "+" #sym "\", \"a\" \n" \ ed13fc33f76303 Matthias Maennich 2019-09-06 52 " .balign 4 \n" \ 7290d58095712a Ard Biesheuvel 2018-08-21 53 "__ksymtab_" #sym ": \n" \ 7290d58095712a Ard Biesheuvel 2018-08-21 54 " .long " #sym "- . \n" \ 7290d58095712a Ard Biesheuvel 2018-08-21 55 " .long __kstrtab_" #sym "- . \n" \ c3a6cf19e695c8 Masahiro Yamada 2019-10-18 56 " .long __kstrtabns_" #sym "- . \n" \ 7290d58095712a Ard Biesheuvel 2018-08-21 57 " .previous \n") 7290d58095712a Ard Biesheuvel 2018-08-21 58 7290d58095712a Ard Biesheuvel 2018-08-21 59 struct kernel_symbol { 7290d58095712a Ard Biesheuvel 2018-08-21 60 int value_offset; 7290d58095712a Ard Biesheuvel 2018-08-21 61 int name_offset; 8651ec01daedad Matthias Maennich 2019-09-06 62 int namespace_offset; 7290d58095712a Ard Biesheuvel 2018-08-21 63 }; 7290d58095712a Ard Biesheuvel 2018-08-21 64 #else 7290d58095712a Ard Biesheuvel 2018-08-21 65 #define __KSYMTAB_ENTRY(sym, sec) \ 7290d58095712a Ard Biesheuvel 2018-08-21 66 static const struct kernel_symbol __ksymtab_##sym \ 7290d58095712a Ard Biesheuvel 2018-08-21 67 __attribute__((section("___ksymtab" sec "+" #sym), used)) \ ed13fc33f76303 Matthias Maennich 2019-09-06 68 __aligned(sizeof(void *)) \ c3a6cf19e695c8 Masahiro Yamada 2019-10-18 @69 = { (unsigned long)&sym, __kstrtab_##sym, __kstrtabns_##sym } 7290d58095712a Ard Biesheuvel 2018-08-21 70 7290d58095712a Ard Biesheuvel 2018-08-21 71 struct kernel_symbol { 7290d58095712a Ard Biesheuvel 2018-08-21 72 unsigned long value; 7290d58095712a Ard Biesheuvel 2018-08-21 73 const char *name; 8651ec01daedad Matthias Maennich 2019-09-06 74 const char *namespace; 7290d58095712a Ard Biesheuvel 2018-08-21 75 }; 7290d58095712a Ard Biesheuvel 2018-08-21 76 #endif 7290d58095712a Ard Biesheuvel 2018-08-21 77 69a94abb82eed2 Masahiro Yamada 2019-09-09 78 #ifdef __GENKSYMS__ 69a94abb82eed2 Masahiro Yamada 2019-09-09 79 c3a6cf19e695c8 Masahiro Yamada 2019-10-18 80 #define ___EXPORT_SYMBOL(sym, sec, ns) __GENKSYMS_EXPORT_SYMBOL(sym) 69a94abb82eed2 Masahiro Yamada 2019-09-09 81 69a94abb82eed2 Masahiro Yamada 2019-09-09 82 #else 69a94abb82eed2 Masahiro Yamada 2019-09-09 83 d78091062eb19d Jessica Yu 2019-11-12 84 #define __KSTRTAB_ENTRY(sym) \ d78091062eb19d Jessica Yu 2019-11-12 85 asm(" .section \"__ksymtab_strings\", \"aMS\", @progbits, 1 \n" \ d78091062eb19d Jessica Yu 2019-11-12 86 "__kstrtab_" #sym ": \n" \ d78091062eb19d Jessica Yu 2019-11-12 87 " .asciz \"" #sym "\" \n" \ d78091062eb19d Jessica Yu 2019-11-12 88 " .previous \n") d78091062eb19d Jessica Yu 2019-11-12 89 d78091062eb19d Jessica Yu 2019-11-12 90 #define __KSTRTAB_NS_ENTRY(sym, ns) \ d78091062eb19d Jessica Yu 2019-11-12 91 asm(" .section \"__ksymtab_strings\", \"aMS\", @progbits, 1 \n" \ d78091062eb19d Jessica Yu 2019-11-12 92 "__kstrtabns_" #sym ": \n" \ d78091062eb19d Jessica Yu 2019-11-12 93 " .asciz " #ns " \n" \ d78091062eb19d Jessica Yu 2019-11-12 94 " .previous \n") d78091062eb19d Jessica Yu 2019-11-12 95 c3a6cf19e695c8 Masahiro Yamada 2019-10-18 96 /* For every exported symbol, place a struct in the __ksymtab section */ c3a6cf19e695c8 Masahiro Yamada 2019-10-18 97 #define ___EXPORT_SYMBOL(sym, sec, ns) \ f50169324df4ad Paul Gortmaker 2011-05-23 98 extern typeof(sym) sym; \ 8651ec01daedad Matthias Maennich 2019-09-06 99 __CRC_SYMBOL(sym, sec); \ d78091062eb19d Jessica Yu 2019-11-12 100 __KSTRTAB_ENTRY(sym); \ d78091062eb19d Jessica Yu 2019-11-12 101 __KSTRTAB_NS_ENTRY(sym, ns); \ 7290d58095712a Ard Biesheuvel 2018-08-21 102 __KSYMTAB_ENTRY(sym, sec) f50169324df4ad Paul Gortmaker 2011-05-23 103 69a94abb82eed2 Masahiro Yamada 2019-09-09 104 #endif 69a94abb82eed2 Masahiro Yamada 2019-09-09 105 69a94abb82eed2 Masahiro Yamada 2019-09-09 106 #if !defined(CONFIG_MODULES) || defined(__DISABLE_EXPORTS) f922c4abdf7648 Ard Biesheuvel 2018-08-21 107 f922c4abdf7648 Ard Biesheuvel 2018-08-21 108 /* f922c4abdf7648 Ard Biesheuvel 2018-08-21 109 * Allow symbol exports to be disabled completely so that C code may f922c4abdf7648 Ard Biesheuvel 2018-08-21 110 * be reused in other execution contexts such as the UEFI stub or the f922c4abdf7648 Ard Biesheuvel 2018-08-21 111 * decompressor. f922c4abdf7648 Ard Biesheuvel 2018-08-21 112 */ c3a6cf19e695c8 Masahiro Yamada 2019-10-18 113 #define __EXPORT_SYMBOL(sym, sec, ns) f922c4abdf7648 Ard Biesheuvel 2018-08-21 114 bbda5ec671d3fe Masahiro Yamada 2018-11-30 115 #elif defined(CONFIG_TRIM_UNUSED_KSYMS) bbda5ec671d3fe Masahiro Yamada 2018-11-30 116 bbda5ec671d3fe Masahiro Yamada 2018-11-30 117 #include <generated/autoksyms.h> c1a95fda2a40ae Nicolas Pitre 2016-01-22 118 c1a95fda2a40ae Nicolas Pitre 2016-01-22 119 /* c1a95fda2a40ae Nicolas Pitre 2016-01-22 120 * For fine grained build dependencies, we want to tell the build system c1a95fda2a40ae Nicolas Pitre 2016-01-22 121 * about each possible exported symbol even if they're not actually exported. bbda5ec671d3fe Masahiro Yamada 2018-11-30 122 * We use a symbol pattern __ksym_marker_<symbol> that the build system filters bbda5ec671d3fe Masahiro Yamada 2018-11-30 123 * from the $(NM) output (see scripts/gen_ksymdeps.sh). These symbols are bbda5ec671d3fe Masahiro Yamada 2018-11-30 124 * discarded in the final link stage. c1a95fda2a40ae Nicolas Pitre 2016-01-22 125 */ bbda5ec671d3fe Masahiro Yamada 2018-11-30 126 #define __ksym_marker(sym) \ bbda5ec671d3fe Masahiro Yamada 2018-11-30 127 static int __ksym_marker_##sym[0] __section(".discard.ksym") __used f235541699bcf1 Nicolas Pitre 2016-01-22 128 c3a6cf19e695c8 Masahiro Yamada 2019-10-18 129 #define __EXPORT_SYMBOL(sym, sec, ns) \ bbda5ec671d3fe Masahiro Yamada 2018-11-30 130 __ksym_marker(sym); \ c3a6cf19e695c8 Masahiro Yamada 2019-10-18 131 __cond_export_sym(sym, sec, ns, __is_defined(__KSYM_##sym)) c3a6cf19e695c8 Masahiro Yamada 2019-10-18 132 #define __cond_export_sym(sym, sec, ns, conf) \ c3a6cf19e695c8 Masahiro Yamada 2019-10-18 133 ___cond_export_sym(sym, sec, ns, conf) c3a6cf19e695c8 Masahiro Yamada 2019-10-18 134 #define ___cond_export_sym(sym, sec, ns, enabled) \ c3a6cf19e695c8 Masahiro Yamada 2019-10-18 135 __cond_export_sym_##enabled(sym, sec, ns) c3a6cf19e695c8 Masahiro Yamada 2019-10-18 136 #define __cond_export_sym_1(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) c3a6cf19e695c8 Masahiro Yamada 2019-10-18 137 #define __cond_export_sym_0(sym, sec, ns) /* nothing */ 8651ec01daedad Matthias Maennich 2019-09-06 138 f235541699bcf1 Nicolas Pitre 2016-01-22 139 #else f235541699bcf1 Nicolas Pitre 2016-01-22 140 c3a6cf19e695c8 Masahiro Yamada 2019-10-18 141 #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) f50169324df4ad Paul Gortmaker 2011-05-23 142 69a94abb82eed2 Masahiro Yamada 2019-09-09 143 #endif /* CONFIG_MODULES */ f50169324df4ad Paul Gortmaker 2011-05-23 144 8e2adc6a00cd96 Matthias Maennich 2019-09-06 145 #ifdef DEFAULT_SYMBOL_NAMESPACE c3a6cf19e695c8 Masahiro Yamada 2019-10-18 146 #include <linux/stringify.h> c3a6cf19e695c8 Masahiro Yamada 2019-10-18 147 #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, __stringify(DEFAULT_SYMBOL_NAMESPACE)) c3a6cf19e695c8 Masahiro Yamada 2019-10-18 148 #else c3a6cf19e695c8 Masahiro Yamada 2019-10-18 @149 #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") 8e2adc6a00cd96 Matthias Maennich 2019-09-06 150 #endif 8e2adc6a00cd96 Matthias Maennich 2019-09-06 151 :::::: The code at line 69 was first introduced by commit :::::: c3a6cf19e695c8b0a9bf8b5933f863e12d878b7c export: avoid code duplication in include/linux/export.h :::::: TO: Masahiro Yamada <yamada.masahiro(a)socionext.com&gt; :::::: CC: Jessica Yu <jeyu(a)kernel.org&gt; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation