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fmviesa004.fm.intel.com with ESMTP; 01 May 2026 16:45:03 -0700 Received: from kbuild by 781826d00641 with local (Exim 4.98.2) (envelope-from ) id 1wIxXY-000000000xZ-3qmu; Fri, 01 May 2026 23:45:00 +0000 Date: Sat, 02 May 2026 07:44:15 +0800 From: kernel test robot To: Alexander Lobakin Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Tony Nguyen Subject: include/linux/build_bug.h:78:41: error: static assertion failed: "sizeof(struct idpf_xdp_rx_desc) == sizeof(struct virtchnl2_rx_flex_desc_adv_nic_3)" Message-ID: <202605020707.9e3f2lTL-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Hi Alexander, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: ef5f46b630235b75beec43174348c3d01d6fc49a commit: 88ca0c738c4159ce87893782b6dd964b5aa01f6e idpf: add XDP RSS hash hint date: 8 months ago config: arm-randconfig-004-20260502 (https://download.01.org/0day-ci/archive/20260502/202605020707.9e3f2lTL-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 14.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260502/202605020707.9e3f2lTL-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 | Fixes: 88ca0c738c41 ("idpf: add XDP RSS hash hint") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202605020707.9e3f2lTL-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from include/linux/minmax.h:5, from include/linux/jiffies.h:8, from include/net/pkt_sched.h:5, from drivers/net/ethernet/intel/idpf/idpf.h:12, from drivers/net/ethernet/intel/idpf/xdp.c:4: >> include/linux/build_bug.h:78:41: error: static assertion failed: "sizeof(struct idpf_xdp_rx_desc) == sizeof(struct virtchnl2_rx_flex_desc_adv_nic_3)" 78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~~~~~~~~~~~ include/linux/build_bug.h:77:34: note: in expansion of macro '__static_assert' 77 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) | ^~~~~~~~~~~~~~~ drivers/net/ethernet/intel/idpf/xdp.h:118:1: note: in expansion of macro 'static_assert' 118 | static_assert(sizeof(struct idpf_xdp_rx_desc) == | ^~~~~~~~~~~~~ vim +78 include/linux/build_bug.h bc6245e5efd70c Ian Abbott 2017-07-10 60 6bab69c65013be Rasmus Villemoes 2019-03-07 61 /** 6bab69c65013be Rasmus Villemoes 2019-03-07 62 * static_assert - check integer constant expression at build time 6bab69c65013be Rasmus Villemoes 2019-03-07 63 * 6bab69c65013be Rasmus Villemoes 2019-03-07 64 * static_assert() is a wrapper for the C11 _Static_assert, with a 6bab69c65013be Rasmus Villemoes 2019-03-07 65 * little macro magic to make the message optional (defaulting to the 6bab69c65013be Rasmus Villemoes 2019-03-07 66 * stringification of the tested expression). 6bab69c65013be Rasmus Villemoes 2019-03-07 67 * 6bab69c65013be Rasmus Villemoes 2019-03-07 68 * Contrary to BUILD_BUG_ON(), static_assert() can be used at global 6bab69c65013be Rasmus Villemoes 2019-03-07 69 * scope, but requires the expression to be an integer constant 6bab69c65013be Rasmus Villemoes 2019-03-07 70 * expression (i.e., it is not enough that __builtin_constant_p() is 6bab69c65013be Rasmus Villemoes 2019-03-07 71 * true for expr). 6bab69c65013be Rasmus Villemoes 2019-03-07 72 * 6bab69c65013be Rasmus Villemoes 2019-03-07 73 * Also note that BUILD_BUG_ON() fails the build if the condition is 6bab69c65013be Rasmus Villemoes 2019-03-07 74 * true, while static_assert() fails the build if the expression is 6bab69c65013be Rasmus Villemoes 2019-03-07 75 * false. 6bab69c65013be Rasmus Villemoes 2019-03-07 76 */ 6bab69c65013be Rasmus Villemoes 2019-03-07 77 #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) 6bab69c65013be Rasmus Villemoes 2019-03-07 @78 #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) 6bab69c65013be Rasmus Villemoes 2019-03-07 79 07a368b3f55a79 Maxim Levitsky 2022-10-25 80 :::::: The code at line 78 was first introduced by commit :::::: 6bab69c65013bed5fce9f101a64a84d0385b3946 build_bug.h: add wrapper for _Static_assert :::::: TO: Rasmus Villemoes :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki