Hi Harry, Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master] [cannot apply to v5.3 next-20190925] [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/Harry-Jeffery/btree-Remove-custom-MAX-macro/20190927-053933 config: sh-allmodconfig (attached as .config) compiler: sh4-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 # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=sh If you fix the issue, kindly add following tag Reported-by: kbuild test robot <[email protected]> All error/warnings (new ones prefixed by >>): In file included from include/linux/btree.h:5:0, from lib///btree.c:40: >> include/linux/kernel.h:860:50: error: braced-group within expression allowed >> only inside a function #define __cmp_once(x, y, unique_x, unique_y, op) ({ \ ^ >> include/linux/kernel.h:868:3: note: in expansion of macro '__cmp_once' __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op)) ^~~~~~~~~~ include/linux/kernel.h:882:19: note: in expansion of macro '__careful_cmp' #define max(x, y) __careful_cmp(x, y, >) ^~~~~~~~~~~~~ >> lib///btree.c:46:18: note: in expansion of macro 'max' #define NODESIZE max(L1_CACHE_BYTES, 128) ^~~ >> lib///btree.c:56:14: note: in expansion of macro 'NODESIZE' .no_pairs = NODESIZE / sizeof(long) / 2, ^~~~~~~~ >> include/linux/kernel.h:860:50: error: braced-group within expression allowed >> only inside a function #define __cmp_once(x, y, unique_x, unique_y, op) ({ \ ^ >> include/linux/kernel.h:868:3: note: in expansion of macro '__cmp_once' __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op)) ^~~~~~~~~~ include/linux/kernel.h:882:19: note: in expansion of macro '__careful_cmp' #define max(x, y) __careful_cmp(x, y, >) ^~~~~~~~~~~~~ >> lib///btree.c:46:18: note: in expansion of macro 'max' #define NODESIZE max(L1_CACHE_BYTES, 128) ^~~ lib///btree.c:57:14: note: in expansion of macro 'NODESIZE' .no_longs = NODESIZE / sizeof(long) / 2, ^~~~~~~~ >> include/linux/kernel.h:860:50: error: braced-group within expression allowed >> only inside a function #define __cmp_once(x, y, unique_x, unique_y, op) ({ \ ^ >> include/linux/kernel.h:868:3: note: in expansion of macro '__cmp_once' __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op)) ^~~~~~~~~~ include/linux/kernel.h:882:19: note: in expansion of macro '__careful_cmp' #define max(x, y) __careful_cmp(x, y, >) ^~~~~~~~~~~~~ >> lib///btree.c:46:18: note: in expansion of macro 'max' #define NODESIZE max(L1_CACHE_BYTES, 128) ^~~ lib///btree.c:64:14: note: in expansion of macro 'NODESIZE' .no_pairs = NODESIZE / sizeof(long) / (1 + LONG_PER_U64), ^~~~~~~~ >> include/linux/kernel.h:860:50: error: braced-group within expression allowed >> only inside a function #define __cmp_once(x, y, unique_x, unique_y, op) ({ \ ^ >> include/linux/kernel.h:868:3: note: in expansion of macro '__cmp_once' __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op)) ^~~~~~~~~~ include/linux/kernel.h:882:19: note: in expansion of macro '__careful_cmp' #define max(x, y) __careful_cmp(x, y, >) ^~~~~~~~~~~~~ >> lib///btree.c:46:18: note: in expansion of macro 'max' #define NODESIZE max(L1_CACHE_BYTES, 128) ^~~ lib///btree.c:65:30: note: in expansion of macro 'NODESIZE' .no_longs = LONG_PER_U64 * (NODESIZE / sizeof(long) / (1 + LONG_PER_U64)), ^~~~~~~~ >> include/linux/kernel.h:860:50: error: braced-group within expression allowed >> only inside a function #define __cmp_once(x, y, unique_x, unique_y, op) ({ \ ^ >> include/linux/kernel.h:868:3: note: in expansion of macro '__cmp_once' __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op)) ^~~~~~~~~~ include/linux/kernel.h:882:19: note: in expansion of macro '__careful_cmp' #define max(x, y) __careful_cmp(x, y, >) ^~~~~~~~~~~~~ >> lib///btree.c:46:18: note: in expansion of macro 'max' #define NODESIZE max(L1_CACHE_BYTES, 128) ^~~ lib///btree.c:71:14: note: in expansion of macro 'NODESIZE' .no_pairs = NODESIZE / sizeof(long) / (1 + 2 * LONG_PER_U64), ^~~~~~~~ >> include/linux/kernel.h:860:50: error: braced-group within expression allowed >> only inside a function #define __cmp_once(x, y, unique_x, unique_y, op) ({ \ ^ >> include/linux/kernel.h:868:3: note: in expansion of macro '__cmp_once' __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op)) ^~~~~~~~~~ include/linux/kernel.h:882:19: note: in expansion of macro '__careful_cmp' #define max(x, y) __careful_cmp(x, y, >) ^~~~~~~~~~~~~ >> lib///btree.c:46:18: note: in expansion of macro 'max' #define NODESIZE max(L1_CACHE_BYTES, 128) ^~~ lib///btree.c:72:34: note: in expansion of macro 'NODESIZE' .no_longs = 2 * LONG_PER_U64 * (NODESIZE / sizeof(long) / (1 + 2 * LONG_PER_U64)), ^~~~~~~~ vim +860 include/linux/kernel.h 3c8ba0d61d04ce Kees Cook 2018-03-30 859 e9092d0d979611 Linus Torvalds 2018-04-09 @860 #define __cmp_once(x, y, unique_x, unique_y, op) ({ \ e9092d0d979611 Linus Torvalds 2018-04-09 861 typeof(x) unique_x = (x); \ e9092d0d979611 Linus Torvalds 2018-04-09 862 typeof(y) unique_y = (y); \ e9092d0d979611 Linus Torvalds 2018-04-09 863 __cmp(unique_x, unique_y, op); }) 3c8ba0d61d04ce Kees Cook 2018-03-30 864 3c8ba0d61d04ce Kees Cook 2018-03-30 865 #define __careful_cmp(x, y, op) \ 3c8ba0d61d04ce Kees Cook 2018-03-30 866 __builtin_choose_expr(__safe_cmp(x, y), \ e9092d0d979611 Linus Torvalds 2018-04-09 867 __cmp(x, y, op), \ e9092d0d979611 Linus Torvalds 2018-04-09 @868 __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op)) e8c97af0c1f23d Randy Dunlap 2017-10-13 869 :::::: The code at line 860 was first introduced by commit :::::: e9092d0d97961146655ce51f43850907d95f68c3 Fix subtle macro variable shadowing in min_not_zero() :::::: TO: Linus Torvalds <[email protected]> :::::: CC: Linus Torvalds <[email protected]> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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