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Tue, 14 Nov 2023 22:33:27 +0000 Date: Wed, 15 Nov 2023 06:32:09 +0800 From: kernel test robot To: Shayne Chen Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Felix Fietkau Subject: include/linux/compiler_types.h:397:45: error: call to '__compiletime_assert_381' declared with attribute error: BUILD_BUG_ON failed: sizeof(mstat) > sizeof(skb->cb) Message-ID: <202311150613.eBPa9MqT-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Shayne, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 9bacdd8996c77c42ca004440be610692275ff9d0 commit: 021af945997ffaeaa37c9673d71afad7cde6bdef wifi: mt76: mt7996: add eht rx rate support date: 7 months ago config: arm-buildonly-randconfig-r003-20220914 (https://download.01.org/0day-ci/archive/20231115/202311150613.eBPa9MqT-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231115/202311150613.eBPa9MqT-lkp@intel.com/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 | Closes: https://lore.kernel.org/oe-kbuild-all/202311150613.eBPa9MqT-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from : drivers/net/wireless/mediatek/mt76/mac80211.c: In function 'mt76_rx_convert': >> include/linux/compiler_types.h:397:45: error: call to '__compiletime_assert_381' declared with attribute error: BUILD_BUG_ON failed: sizeof(mstat) > sizeof(skb->cb) 397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:378:25: note: in definition of macro '__compiletime_assert' 378 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:397:9: note: in expansion of macro '_compiletime_assert' 397 | _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:50:9: note: in expansion of macro 'BUILD_BUG_ON_MSG' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ drivers/net/wireless/mediatek/mt76/mac80211.c:1094:9: note: in expansion of macro 'BUILD_BUG_ON' 1094 | BUILD_BUG_ON(sizeof(mstat) > sizeof(skb->cb)); | ^~~~~~~~~~~~ vim +/__compiletime_assert_381 +397 include/linux/compiler_types.h eb5c2d4b45e3d2 Will Deacon 2020-07-21 383 eb5c2d4b45e3d2 Will Deacon 2020-07-21 384 #define _compiletime_assert(condition, msg, prefix, suffix) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 385 __compiletime_assert(condition, msg, prefix, suffix) eb5c2d4b45e3d2 Will Deacon 2020-07-21 386 eb5c2d4b45e3d2 Will Deacon 2020-07-21 387 /** eb5c2d4b45e3d2 Will Deacon 2020-07-21 388 * compiletime_assert - break build and emit msg if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 389 * @condition: a compile-time constant condition to check eb5c2d4b45e3d2 Will Deacon 2020-07-21 390 * @msg: a message to emit if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 391 * eb5c2d4b45e3d2 Will Deacon 2020-07-21 392 * In tradition of POSIX assert, this macro will break the build if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 393 * supplied condition is *false*, emitting the supplied error message if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 394 * compiler has support to do so. eb5c2d4b45e3d2 Will Deacon 2020-07-21 395 */ eb5c2d4b45e3d2 Will Deacon 2020-07-21 396 #define compiletime_assert(condition, msg) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 @397 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) eb5c2d4b45e3d2 Will Deacon 2020-07-21 398 :::::: The code at line 397 was first introduced by commit :::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h :::::: TO: Will Deacon :::::: CC: Will Deacon -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki