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Tue, 08 Aug 2023 19:16:09 +0000 Date: Wed, 9 Aug 2023 03:15:47 +0800 From: kernel test robot To: Thomas Gleixner Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org Subject: include/linux/compiler_types.h:319:45: error: call to '__compiletime_assert_242' declared with attribute error: BUILD_BUG_ON failed: FIX_KMAP_SLOTS > PTRS_PER_PTE Message-ID: <202308090326.y25drfEn-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 Thomas, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 02aee814d37c563e24b73bcd0f9cb608fbd403d4 commit: 39cac191ff37939544af80d5d2af6b870fd94c9b arc/mm/highmem: Use generic kmap atomic implementation date: 2 years, 9 months ago config: arc-randconfig-r031-20230808 (https://download.01.org/0day-ci/archive/20230809/202308090326.y25drfEn-lkp@intel.com/config) compiler: arc-elf-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230809/202308090326.y25drfEn-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/202308090326.y25drfEn-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from : arch/arc/mm/highmem.c: In function 'kmap_init': >> include/linux/compiler_types.h:319:45: error: call to '__compiletime_assert_242' declared with attribute error: BUILD_BUG_ON failed: FIX_KMAP_SLOTS > PTRS_PER_PTE 319 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:300:25: note: in definition of macro '__compiletime_assert' 300 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:319:9: note: in expansion of macro '_compiletime_assert' 319 | _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) | ^~~~~~~~~~~~~~~~ arch/arc/mm/highmem.c:69:9: note: in expansion of macro 'BUILD_BUG_ON' 69 | BUILD_BUG_ON(FIX_KMAP_SLOTS > PTRS_PER_PTE); | ^~~~~~~~~~~~ vim +/__compiletime_assert_242 +319 include/linux/compiler_types.h eb5c2d4b45e3d2 Will Deacon 2020-07-21 305 eb5c2d4b45e3d2 Will Deacon 2020-07-21 306 #define _compiletime_assert(condition, msg, prefix, suffix) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 307 __compiletime_assert(condition, msg, prefix, suffix) eb5c2d4b45e3d2 Will Deacon 2020-07-21 308 eb5c2d4b45e3d2 Will Deacon 2020-07-21 309 /** eb5c2d4b45e3d2 Will Deacon 2020-07-21 310 * compiletime_assert - break build and emit msg if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 311 * @condition: a compile-time constant condition to check eb5c2d4b45e3d2 Will Deacon 2020-07-21 312 * @msg: a message to emit if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 313 * eb5c2d4b45e3d2 Will Deacon 2020-07-21 314 * In tradition of POSIX assert, this macro will break the build if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 315 * supplied condition is *false*, emitting the supplied error message if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 316 * compiler has support to do so. eb5c2d4b45e3d2 Will Deacon 2020-07-21 317 */ eb5c2d4b45e3d2 Will Deacon 2020-07-21 318 #define compiletime_assert(condition, msg) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 @319 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) eb5c2d4b45e3d2 Will Deacon 2020-07-21 320 :::::: The code at line 319 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