Hi David, kernel test robot noticed the following build errors:
[auto build test ERROR on net-next/main] url: https://github.com/intel-lab-lkp/linux/commits/David-Yang/u64_stats-Doc-incorrect-usage-with-plain-variables/20260124-012240 base: net-next/main patch link: https://lore.kernel.org/r/20260123162159.2877941-5-mmyangfl%40gmail.com patch subject: [PATCH net-next v2 4/7] net: openvswitch: fix load tearing with u64_stats config: m68k-randconfig-r073-20260124 (https://download.01.org/0day-ci/archive/20260124/[email protected]/config) compiler: m68k-linux-gcc (GCC) 8.5.0 smatch version: v0.5.0-8994-gd50c5a4c reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260124/[email protected]/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All errors (new ones prefixed by >>): In file included from <command-line>: In function 'u64_stats_reads.constprop', inlined from 'get_dp_stats' at net/openvswitch/datapath.c:773:4: >> include/linux/compiler_types.h:631:38: error: call to >> '__compiletime_assert_333' declared with attribute error: BUILD_BUG_ON >> failed: len % sizeof(u64_stats_t) _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ^ include/linux/compiler_types.h:612:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler_types.h:631:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' #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' BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) ^~~~~~~~~~~~~~~~ include/linux/u64_stats_sync.h:157:2: note: in expansion of macro 'BUILD_BUG_ON' BUILD_BUG_ON(len % sizeof(u64_stats_t)); ^~~~~~~~~~~~ vim +/__compiletime_assert_333 +631 include/linux/compiler_types.h eb5c2d4b45e3d2 Will Deacon 2020-07-21 617 eb5c2d4b45e3d2 Will Deacon 2020-07-21 618 #define _compiletime_assert(condition, msg, prefix, suffix) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 619 __compiletime_assert(condition, msg, prefix, suffix) eb5c2d4b45e3d2 Will Deacon 2020-07-21 620 eb5c2d4b45e3d2 Will Deacon 2020-07-21 621 /** eb5c2d4b45e3d2 Will Deacon 2020-07-21 622 * compiletime_assert - break build and emit msg if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 623 * @condition: a compile-time constant condition to check eb5c2d4b45e3d2 Will Deacon 2020-07-21 624 * @msg: a message to emit if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 625 * eb5c2d4b45e3d2 Will Deacon 2020-07-21 626 * In tradition of POSIX assert, this macro will break the build if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 627 * supplied condition is *false*, emitting the supplied error message if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 628 * compiler has support to do so. eb5c2d4b45e3d2 Will Deacon 2020-07-21 629 */ eb5c2d4b45e3d2 Will Deacon 2020-07-21 630 #define compiletime_assert(condition, msg) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 @631 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) eb5c2d4b45e3d2 Will Deacon 2020-07-21 632 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
