[kbuild-all] [hch-block:sas-atapi-fix 1/2] include/linux/compiler.h:355:11: error: pasting "__addressable_" and "(" does not give a valid preprocessing token

tree: git://git.infradead.org/users/hch/block.git sas-atapi-fix head: af06c6f5072be6e47fa1a4641f5305c112e1d430 commit: 1c4b5642165ae807d42b4a447573620b22445f8e [1/2] libata: provide a ata_scsi_dma_need_drain stub for !CONFIG_ATA config: arm64-allmodconfig (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 1c4b5642165ae807d42b4a447573620b22445f8e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>, old ones prefixed by <<): | ^ include/linux/export.h:98:21: note: in definition of macro '___EXPORT_SYMBOL' 98 | extern typeof(sym) sym; | ^~~ include/linux/export.h:155:34: note: in expansion of macro '__EXPORT_SYMBOL' 155 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:159:33: note: in expansion of macro '_EXPORT_SYMBOL' 159 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") | ^~~~~~~~~~~~~~ drivers/ata/libata-scsi.c:1024:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL' 1024 | EXPORT_SYMBOL_GPL(ata_scsi_dma_need_drain); | ^~~~~~~~~~~~~~~~~ include/linux/libata.h:1098:33: note: in expansion of macro 'NULL' 1098 | #define ata_scsi_dma_need_drain NULL | ^~~~ drivers/ata/libata-scsi.c:1024:19: note: in expansion of macro 'ata_scsi_dma_need_drain' 1024 | EXPORT_SYMBOL_GPL(ata_scsi_dma_need_drain); | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/export.h:99:20: error: pasting "__kstrtab_" and "(" does not give a valid preprocessing token 99 | extern const char __kstrtab_##sym[]; | ^~~~~~~~~~ include/linux/export.h:147:39: note: in expansion of macro '___EXPORT_SYMBOL' 147 | #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) | ^~~~~~~~~~~~~~~~ include/linux/export.h:155:34: note: in expansion of macro '__EXPORT_SYMBOL' 155 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:159:33: note: in expansion of macro '_EXPORT_SYMBOL' 159 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") | ^~~~~~~~~~~~~~ drivers/ata/libata-scsi.c:1024:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL' 1024 | EXPORT_SYMBOL_GPL(ata_scsi_dma_need_drain); | ^~~~~~~~~~~~~~~~~ include/linux/stddef.h:8:15: error: expected declaration specifiers or '...' before '(' token 8 | #define NULL ((void *)0) | ^ include/linux/export.h:99:32: note: in definition of macro '___EXPORT_SYMBOL' 99 | extern const char __kstrtab_##sym[]; | ^~~ include/linux/export.h:155:34: note: in expansion of macro '__EXPORT_SYMBOL' 155 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:159:33: note: in expansion of macro '_EXPORT_SYMBOL' 159 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") | ^~~~~~~~~~~~~~ drivers/ata/libata-scsi.c:1024:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL' 1024 | EXPORT_SYMBOL_GPL(ata_scsi_dma_need_drain); | ^~~~~~~~~~~~~~~~~ include/linux/libata.h:1098:33: note: in expansion of macro 'NULL' 1098 | #define ata_scsi_dma_need_drain NULL | ^~~~ drivers/ata/libata-scsi.c:1024:19: note: in expansion of macro 'ata_scsi_dma_need_drain' 1024 | EXPORT_SYMBOL_GPL(ata_scsi_dma_need_drain); | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/export.h:100:20: error: pasting "__kstrtabns_" and "(" does not give a valid preprocessing token 100 | extern const char __kstrtabns_##sym[]; | ^~~~~~~~~~~~ include/linux/export.h:147:39: note: in expansion of macro '___EXPORT_SYMBOL' 147 | #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) | ^~~~~~~~~~~~~~~~ include/linux/export.h:155:34: note: in expansion of macro '__EXPORT_SYMBOL' 155 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:159:33: note: in expansion of macro '_EXPORT_SYMBOL' 159 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") | ^~~~~~~~~~~~~~ drivers/ata/libata-scsi.c:1024:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL' 1024 | EXPORT_SYMBOL_GPL(ata_scsi_dma_need_drain); | ^~~~~~~~~~~~~~~~~ include/linux/stddef.h:8:15: error: expected declaration specifiers or '...' before '(' token 8 | #define NULL ((void *)0) | ^ include/linux/export.h:100:34: note: in definition of macro '___EXPORT_SYMBOL' 100 | extern const char __kstrtabns_##sym[]; | ^~~ include/linux/export.h:155:34: note: in expansion of macro '__EXPORT_SYMBOL' 155 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:159:33: note: in expansion of macro '_EXPORT_SYMBOL' 159 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") | ^~~~~~~~~~~~~~ drivers/ata/libata-scsi.c:1024:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL' 1024 | EXPORT_SYMBOL_GPL(ata_scsi_dma_need_drain); | ^~~~~~~~~~~~~~~~~ include/linux/libata.h:1098:33: note: in expansion of macro 'NULL' 1098 | #define ata_scsi_dma_need_drain NULL | ^~~~ drivers/ata/libata-scsi.c:1024:19: note: in expansion of macro 'ata_scsi_dma_need_drain' 1024 | EXPORT_SYMBOL_GPL(ata_scsi_dma_need_drain); | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/build_bug.h:5, from include/linux/bits.h:23, from arch/arm64/include/asm/sysreg.h:12, from arch/arm64/include/asm/cputype.h:130, from arch/arm64/include/asm/cache.h:8, from include/linux/cache.h:6, from include/linux/time.h:5, from include/linux/compat.h:10, from drivers/ata/libata-scsi.c:16: 355 | __PASTE(__addressable_##sym, __LINE__) = (void *)&sym; | ^~~~~~~~~~~~~~ include/linux/export.h:51:2: note: in expansion of macro '__ADDRESSABLE' 51 | __ADDRESSABLE(sym) | ^~~~~~~~~~~~~ include/linux/export.h:108:2: note: in expansion of macro '__KSYMTAB_ENTRY' 108 | __KSYMTAB_ENTRY(sym, sec) | ^~~~~~~~~~~~~~~ include/linux/export.h:147:39: note: in expansion of macro '___EXPORT_SYMBOL' 147 | #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) | ^~~~~~~~~~~~~~~~ include/linux/export.h:155:34: note: in expansion of macro '__EXPORT_SYMBOL' 155 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:159:33: note: in expansion of macro '_EXPORT_SYMBOL' 159 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") | ^~~~~~~~~~~~~~ drivers/ata/libata-scsi.c:1024:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL' 1024 | EXPORT_SYMBOL_GPL(ata_scsi_dma_need_drain); | ^~~~~~~~~~~~~~~~~ In file included from <command-line>: include/linux/stddef.h:8:15: error: expected declaration specifiers or '...' before '(' token 8 | #define NULL ((void *)0) | ^ include/linux/compiler_types.h:53:23: note: in definition of macro '___PASTE' 53 | #define ___PASTE(a,b) a##b | ^ 355 | __PASTE(__addressable_##sym, __LINE__) = (void *)&sym; | ^~~~~~~ include/linux/export.h:51:2: note: in expansion of macro '__ADDRESSABLE' 51 | __ADDRESSABLE(sym) | ^~~~~~~~~~~~~ include/linux/export.h:108:2: note: in expansion of macro '__KSYMTAB_ENTRY' 108 | __KSYMTAB_ENTRY(sym, sec) | ^~~~~~~~~~~~~~~ include/linux/export.h:147:39: note: in expansion of macro '___EXPORT_SYMBOL' 147 | #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) | ^~~~~~~~~~~~~~~~ include/linux/export.h:155:34: note: in expansion of macro '__EXPORT_SYMBOL' 155 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:159:33: note: in expansion of macro '_EXPORT_SYMBOL' 159 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") | ^~~~~~~~~~~~~~ drivers/ata/libata-scsi.c:1024:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL' 1024 | EXPORT_SYMBOL_GPL(ata_scsi_dma_need_drain); | ^~~~~~~~~~~~~~~~~ include/linux/libata.h:1098:33: note: in expansion of macro 'NULL' 1098 | #define ata_scsi_dma_need_drain NULL | ^~~~ drivers/ata/libata-scsi.c:1024:19: note: in expansion of macro 'ata_scsi_dma_need_drain' 1024 | EXPORT_SYMBOL_GPL(ata_scsi_dma_need_drain); | ^~~~~~~~~~~~~~~~~~~~~~~ 8 | #define NULL ((void *)0) | ^ include/linux/compiler_types.h:53:23: note: in definition of macro '___PASTE' 53 | #define ___PASTE(a,b) a##b | ^ 355 | __PASTE(__addressable_##sym, __LINE__) = (void *)&sym; | ^~~~~~~ include/linux/export.h:51:2: note: in expansion of macro '__ADDRESSABLE' 51 | __ADDRESSABLE(sym) | ^~~~~~~~~~~~~ include/linux/export.h:108:2: note: in expansion of macro '__KSYMTAB_ENTRY' 108 | __KSYMTAB_ENTRY(sym, sec) | ^~~~~~~~~~~~~~~ include/linux/export.h:147:39: note: in expansion of macro '___EXPORT_SYMBOL' 147 | #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) | ^~~~~~~~~~~~~~~~ include/linux/export.h:155:34: note: in expansion of macro '__EXPORT_SYMBOL' 155 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:159:33: note: in expansion of macro '_EXPORT_SYMBOL' 159 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") | ^~~~~~~~~~~~~~ drivers/ata/libata-scsi.c:1024:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL' 1024 | EXPORT_SYMBOL_GPL(ata_scsi_dma_need_drain); | ^~~~~~~~~~~~~~~~~ include/linux/libata.h:1098:33: note: in expansion of macro 'NULL' 1098 | #define ata_scsi_dma_need_drain NULL | ^~~~ drivers/ata/libata-scsi.c:1024:19: note: in expansion of macro 'ata_scsi_dma_need_drain' 1024 | EXPORT_SYMBOL_GPL(ata_scsi_dma_need_drain); | ^~~~~~~~~~~~~~~~~~~~~~~ vim +355 include/linux/compiler.h ^1da177e4c3f41 Linus Torvalds 2005-04-16 346 7290d58095712a Ard Biesheuvel 2018-08-21 347 /* 7290d58095712a Ard Biesheuvel 2018-08-21 348 * Force the compiler to emit 'sym' as a symbol, so that we can reference 7290d58095712a Ard Biesheuvel 2018-08-21 349 * it from inline assembler. Necessary in case 'sym' could be inlined 7290d58095712a Ard Biesheuvel 2018-08-21 350 * otherwise, or eliminated entirely due to lack of references that are 7290d58095712a Ard Biesheuvel 2018-08-21 351 * visible to the compiler. 7290d58095712a Ard Biesheuvel 2018-08-21 352 */ 7290d58095712a Ard Biesheuvel 2018-08-21 353 #define __ADDRESSABLE(sym) \ bfafddd8de426d Nick Desaulniers 2019-08-28 354 static void * __section(.discard.addressable) __used \ 7290d58095712a Ard Biesheuvel 2018-08-21 @355 __PASTE(__addressable_##sym, __LINE__) = (void *)&sym; 7290d58095712a Ard Biesheuvel 2018-08-21 356 :::::: The code at line 355 was first introduced by commit :::::: 7290d58095712a89f845e1bca05334796dd49ed2 module: use relative references for __ksymtab entries :::::: TO: Ard Biesheuvel <ard.biesheuvel(a)linaro.org&gt; :::::: CC: Linus Torvalds <torvalds(a)linux-foundation.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org