Hi Sedat, Thank you for the patch! Yet something to improve: [auto build test ERROR on kbuild/for-next] [also build test ERROR on jeyu/modules-next linus/master v5.7-rc2 next-20200420] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Sedat-Dilek/kbuild-Set-CLANG_VERSION-only-when-Clang-is-used/20200421-110637 base: https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git for-next config: mips-fuloong2e_defconfig (attached as .config) compiler: mips64el-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>): In file included from include/linux/kernel.h:11, from include/linux/cpu_pm.h:12, from arch/mips/mm/c-r4k.c:10: arch/mips/include/asm/r4kcache.h: In function 'blast_dcache16': >> arch/mips/include/asm/unroll.h:29:9: error: 'CONFIG_CLANG_VERSION' undeclared (first use in this function); did you mean 'CONFIG_LD_VERSION'? 29 | CONFIG_CLANG_VERSION >= 80000) && \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:330:9: note: in definition of macro '__compiletime_assert' 330 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert' 350 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ >> arch/mips/include/asm/unroll.h:28:2: note: in expansion of macro 'BUILD_BUG_ON' 28 | BUILD_BUG_ON((CONFIG_GCC_VERSION >= 40700 || \ | ^~~~~~~~~~~~ >> arch/mips/include/asm/r4kcache.h:203:2: note: in expansion of macro 'unroll' 203 | unroll(times, _cache_op, insn, op, (addr) + (i++ * (lsize))); \ | ^~~~~~ >> arch/mips/include/asm/r4kcache.h:219:4: note: in expansion of macro 'cache_unroll' 219 | cache_unroll(32, kernel_cache, indexop, \ | ^~~~~~~~~~~~ >> arch/mips/include/asm/r4kcache.h:250:1: note: in expansion of macro '__BUILD_BLAST_CACHE' 250 | __BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 16, ) | ^~~~~~~~~~~~~~~~~~~ arch/mips/include/asm/unroll.h:29:9: note: each undeclared identifier is reported only once for each function it appears in 29 | CONFIG_CLANG_VERSION >= 80000) && \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:330:9: note: in definition of macro '__compiletime_assert' 330 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert' 350 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ >> arch/mips/include/asm/unroll.h:28:2: note: in expansion of macro 'BUILD_BUG_ON' 28 | BUILD_BUG_ON((CONFIG_GCC_VERSION >= 40700 || \ | ^~~~~~~~~~~~ >> arch/mips/include/asm/r4kcache.h:203:2: note: in expansion of macro 'unroll' 203 | unroll(times, _cache_op, insn, op, (addr) + (i++ * (lsize))); \ | ^~~~~~ >> arch/mips/include/asm/r4kcache.h:219:4: note: in expansion of macro 'cache_unroll' 219 | cache_unroll(32, kernel_cache, indexop, \ | ^~~~~~~~~~~~ >> arch/mips/include/asm/r4kcache.h:250:1: note: in expansion of macro '__BUILD_BLAST_CACHE' 250 | __BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 16, ) | ^~~~~~~~~~~~~~~~~~~ arch/mips/include/asm/r4kcache.h: In function 'blast_dcache16_page': >> arch/mips/include/asm/unroll.h:29:9: error: 'CONFIG_CLANG_VERSION' undeclared (first use in this function); did you mean 'CONFIG_LD_VERSION'? 29 | CONFIG_CLANG_VERSION >= 80000) && \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:330:9: note: in definition of macro '__compiletime_assert' 330 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert' 350 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ >> arch/mips/include/asm/unroll.h:28:2: note: in expansion of macro 'BUILD_BUG_ON' 28 | BUILD_BUG_ON((CONFIG_GCC_VERSION >= 40700 || \ | ^~~~~~~~~~~~ >> arch/mips/include/asm/r4kcache.h:203:2: note: in expansion of macro 'unroll' 203 | unroll(times, _cache_op, insn, op, (addr) + (i++ * (lsize))); \ | ^~~~~~ arch/mips/include/asm/r4kcache.h:229:3: note: in expansion of macro 'cache_unroll' 229 | cache_unroll(32, kernel_cache, hitop, start, lsize); \ | ^~~~~~~~~~~~ >> arch/mips/include/asm/r4kcache.h:250:1: note: in expansion of macro '__BUILD_BLAST_CACHE' 250 | __BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 16, ) | ^~~~~~~~~~~~~~~~~~~ arch/mips/include/asm/r4kcache.h: In function 'blast_dcache16_page_indexed': >> arch/mips/include/asm/unroll.h:29:9: error: 'CONFIG_CLANG_VERSION' undeclared (first use in this function); did you mean 'CONFIG_LD_VERSION'? 29 | CONFIG_CLANG_VERSION >= 80000) && \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:330:9: note: in definition of macro '__compiletime_assert' 330 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert' 350 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ >> arch/mips/include/asm/unroll.h:28:2: note: in expansion of macro 'BUILD_BUG_ON' 28 | BUILD_BUG_ON((CONFIG_GCC_VERSION >= 40700 || \ | ^~~~~~~~~~~~ >> arch/mips/include/asm/r4kcache.h:203:2: note: in expansion of macro 'unroll' 203 | unroll(times, _cache_op, insn, op, (addr) + (i++ * (lsize))); \ | ^~~~~~ arch/mips/include/asm/r4kcache.h:246:4: note: in expansion of macro 'cache_unroll' 246 | cache_unroll(32, kernel_cache, indexop, \ | ^~~~~~~~~~~~ >> arch/mips/include/asm/r4kcache.h:250:1: note: in expansion of macro '__BUILD_BLAST_CACHE' 250 | __BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 16, ) | ^~~~~~~~~~~~~~~~~~~ arch/mips/include/asm/r4kcache.h: In function 'blast_icache16': >> arch/mips/include/asm/unroll.h:29:9: error: 'CONFIG_CLANG_VERSION' undeclared (first use in this function); did you mean 'CONFIG_LD_VERSION'? 29 | CONFIG_CLANG_VERSION >= 80000) && \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:330:9: note: in definition of macro '__compiletime_assert' 330 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert' 350 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ >> arch/mips/include/asm/unroll.h:28:2: note: in expansion of macro 'BUILD_BUG_ON' 28 | BUILD_BUG_ON((CONFIG_GCC_VERSION >= 40700 || \ | ^~~~~~~~~~~~ >> arch/mips/include/asm/r4kcache.h:203:2: note: in expansion of macro 'unroll' 203 | unroll(times, _cache_op, insn, op, (addr) + (i++ * (lsize))); \ | ^~~~~~ arch/mips/include/asm/r4kcache.h:219:4: note: in expansion of macro 'cache_unroll' 219 | cache_unroll(32, kernel_cache, indexop, \ | ^~~~~~~~~~~~ arch/mips/include/asm/r4kcache.h:251:1: note: in expansion of macro '__BUILD_BLAST_CACHE' 251 | __BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 16, ) | ^~~~~~~~~~~~~~~~~~~ arch/mips/include/asm/r4kcache.h: In function 'blast_icache16_page': arch/mips/include/asm/unroll.h:29:9: error: 'CONFIG_CLANG_VERSION' undeclared (first use in this function); did you mean 'CONFIG_LD_VERSION'? 29 | CONFIG_CLANG_VERSION >= 80000) && \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:330:9: note: in definition of macro '__compiletime_assert' 330 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert' 350 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ arch/mips/include/asm/unroll.h:28:2: note: in expansion of macro 'BUILD_BUG_ON' 28 | BUILD_BUG_ON((CONFIG_GCC_VERSION >= 40700 || \ | ^~~~~~~~~~~~ arch/mips/include/asm/r4kcache.h:203:2: note: in expansion of macro 'unroll' 203 | unroll(times, _cache_op, insn, op, (addr) + (i++ * (lsize))); \ | ^~~~~~ arch/mips/include/asm/r4kcache.h:229:3: note: in expansion of macro 'cache_unroll' 229 | cache_unroll(32, kernel_cache, hitop, start, lsize); \ | ^~~~~~~~~~~~ arch/mips/include/asm/r4kcache.h:251:1: note: in expansion of macro '__BUILD_BLAST_CACHE' 251 | __BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 16, ) | ^~~~~~~~~~~~~~~~~~~ arch/mips/include/asm/r4kcache.h: In function 'blast_icache16_page_indexed': arch/mips/include/asm/unroll.h:29:9: error: 'CONFIG_CLANG_VERSION' undeclared (first use in this function); did you mean 'CONFIG_LD_VERSION'? 29 | CONFIG_CLANG_VERSION >= 80000) && \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:330:9: note: in definition of macro '__compiletime_assert' 330 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert' 350 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ arch/mips/include/asm/unroll.h:28:2: note: in expansion of macro 'BUILD_BUG_ON' 28 | BUILD_BUG_ON((CONFIG_GCC_VERSION >= 40700 || \ | ^~~~~~~~~~~~ arch/mips/include/asm/r4kcache.h:203:2: note: in expansion of macro 'unroll' 203 | unroll(times, _cache_op, insn, op, (addr) + (i++ * (lsize))); \ | ^~~~~~ arch/mips/include/asm/r4kcache.h:246:4: note: in expansion of macro 'cache_unroll' 246 | cache_unroll(32, kernel_cache, indexop, \ | ^~~~~~~~~~~~ arch/mips/include/asm/r4kcache.h:251:1: note: in expansion of macro '__BUILD_BLAST_CACHE' 251 | __BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 16, ) | ^~~~~~~~~~~~~~~~~~~ arch/mips/include/asm/r4kcache.h: In function 'blast_scache16': arch/mips/include/asm/unroll.h:29:9: error: 'CONFIG_CLANG_VERSION' undeclared (first use in this function); did you mean 'CONFIG_LD_VERSION'? 29 | CONFIG_CLANG_VERSION >= 80000) && \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:330:9: note: in definition of macro '__compiletime_assert' 330 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert' 350 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ arch/mips/include/asm/unroll.h:28:2: note: in expansion of macro 'BUILD_BUG_ON' 28 | BUILD_BUG_ON((CONFIG_GCC_VERSION >= 40700 || \ | ^~~~~~~~~~~~ arch/mips/include/asm/r4kcache.h:203:2: note: in expansion of macro 'unroll' 203 | unroll(times, _cache_op, insn, op, (addr) + (i++ * (lsize))); \ | ^~~~~~ arch/mips/include/asm/r4kcache.h:219:4: note: in expansion of macro 'cache_unroll' 219 | cache_unroll(32, kernel_cache, indexop, \ | ^~~~~~~~~~~~ arch/mips/include/asm/r4kcache.h:252:1: note: in expansion of macro '__BUILD_BLAST_CACHE' 252 | __BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 16, ) | ^~~~~~~~~~~~~~~~~~~ arch/mips/include/asm/r4kcache.h: In function 'blast_scache16_page': arch/mips/include/asm/unroll.h:29:9: error: 'CONFIG_CLANG_VERSION' undeclared (first use in this function); did you mean 'CONFIG_LD_VERSION'? 29 | CONFIG_CLANG_VERSION >= 80000) && \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:330:9: note: in definition of macro '__compiletime_assert' 330 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert' vim +29 arch/mips/include/asm/unroll.h 6baaeadae911ba9 Paul Burton 2019-10-08 4 6baaeadae911ba9 Paul Burton 2019-10-08 5 /* 6baaeadae911ba9 Paul Burton 2019-10-08 6 * Explicitly unroll a loop, for use in cases where doing so is performance 6baaeadae911ba9 Paul Burton 2019-10-08 7 * critical. 6baaeadae911ba9 Paul Burton 2019-10-08 8 * 6baaeadae911ba9 Paul Burton 2019-10-08 9 * Ideally we'd rely upon the compiler to provide this but there's no commonly 6baaeadae911ba9 Paul Burton 2019-10-08 10 * available means to do so. For example GCC's "#pragma GCC unroll" 6baaeadae911ba9 Paul Burton 2019-10-08 11 * functionality would be ideal but is only available from GCC 8 onwards. Using 6baaeadae911ba9 Paul Burton 2019-10-08 12 * -funroll-loops is an option but GCC tends to make poor choices when 6baaeadae911ba9 Paul Burton 2019-10-08 13 * compiling our string functions. -funroll-all-loops leads to massive code 6baaeadae911ba9 Paul Burton 2019-10-08 14 * bloat, even if only applied to the string functions. 6baaeadae911ba9 Paul Burton 2019-10-08 15 */ 6baaeadae911ba9 Paul Burton 2019-10-08 16 #define unroll(times, fn, ...) do { \ 6baaeadae911ba9 Paul Burton 2019-10-08 17 extern void bad_unroll(void) \ 6baaeadae911ba9 Paul Burton 2019-10-08 18 __compiletime_error("Unsupported unroll"); \ 6baaeadae911ba9 Paul Burton 2019-10-08 19 \ 6baaeadae911ba9 Paul Burton 2019-10-08 20 /* \ 6baaeadae911ba9 Paul Burton 2019-10-08 21 * We can't unroll if the number of iterations isn't \ 6baaeadae911ba9 Paul Burton 2019-10-08 22 * compile-time constant. Unfortunately GCC versions \ 6baaeadae911ba9 Paul Burton 2019-10-08 23 * up until 4.6 tend to miss obvious constants & cause \ 6baaeadae911ba9 Paul Burton 2019-10-08 24 * this check to fail, even though they go on to \ 6baaeadae911ba9 Paul Burton 2019-10-08 25 * generate reasonable code for the switch statement, \ 6baaeadae911ba9 Paul Burton 2019-10-08 26 * so we skip the sanity check for those compilers. \ 6baaeadae911ba9 Paul Burton 2019-10-08 27 */ \ df3da04880b45b0 Nathan Chancellor 2019-10-10 @28 BUILD_BUG_ON((CONFIG_GCC_VERSION >= 40700 || \ df3da04880b45b0 Nathan Chancellor 2019-10-10 @29 CONFIG_CLANG_VERSION >= 80000) && \ 6baaeadae911ba9 Paul Burton 2019-10-08 30 !__builtin_constant_p(times)); \ 6baaeadae911ba9 Paul Burton 2019-10-08 31 \ 6baaeadae911ba9 Paul Burton 2019-10-08 32 switch (times) { \ 6baaeadae911ba9 Paul Burton 2019-10-08 33 case 32: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 34 case 31: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 35 case 30: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 36 case 29: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 37 case 28: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 38 case 27: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 39 case 26: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 40 case 25: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 41 case 24: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 42 case 23: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 43 case 22: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 44 case 21: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 45 case 20: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 46 case 19: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 47 case 18: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 48 case 17: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 49 case 16: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 50 case 15: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 51 case 14: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 52 case 13: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 53 case 12: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 54 case 11: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 55 case 10: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 56 case 9: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 57 case 8: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 58 case 7: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 59 case 6: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 60 case 5: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 61 case 4: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 62 case 3: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 63 case 2: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 64 case 1: fn(__VA_ARGS__); /* fall through */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 65 case 0: break; \ 6baaeadae911ba9 Paul Burton 2019-10-08 66 \ 6baaeadae911ba9 Paul Burton 2019-10-08 67 default: \ 6baaeadae911ba9 Paul Burton 2019-10-08 68 /* \ 6baaeadae911ba9 Paul Burton 2019-10-08 69 * Either the iteration count is unreasonable \ 6baaeadae911ba9 Paul Burton 2019-10-08 70 * or we need to add more cases above. \ 6baaeadae911ba9 Paul Burton 2019-10-08 71 */ \ 6baaeadae911ba9 Paul Burton 2019-10-08 72 bad_unroll(); \ 6baaeadae911ba9 Paul Burton 2019-10-08 73 break; \ 6baaeadae911ba9 Paul Burton 2019-10-08 74 } \ 6baaeadae911ba9 Paul Burton 2019-10-08 75 } while (0) 6baaeadae911ba9 Paul Burton 2019-10-08 76 :::::: The code at line 29 was first introduced by commit :::::: df3da04880b45b059b8b064c2dd67289a793109e mips: Fix unroll macro when building with Clang :::::: TO: Nathan Chancellor <natechancellor@xxxxxxxxx> :::::: CC: Paul Burton <paul.burton@xxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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