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Fri, 01 Jul 2022 11:00:40 +0000 Date: Fri, 1 Jul 2022 18:59:48 +0800 From: kernel test robot To: Cristian Marussi Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Sudeep Holla Subject: [sudeep-holla:for-next/scmi 16/23] include/linux/compiler_types.h:352:45: error: call to '__compiletime_assert_230' declared with attribute error: FIELD_PREP: mask is zero Message-ID: <202207011807.lirgFUyX-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 tree: https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux.git for-next/scmi head: 2e61c3a948060a0d3a3721cc7bb97f5a6a6c5bb8 commit: 14e52757150274bc005ca64d2b26a7541b9f9161 [16/23] firmware: arm_scmi: Add SCMIv3.1 Powercap protocol basic support config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20220701/202207011807.lirgFUyX-lkp@intel.com/config) compiler: arceb-elf-gcc (GCC) 11.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux.git/commit/?id=14e52757150274bc005ca64d2b26a7541b9f9161 git remote add sudeep-holla https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux.git git fetch --no-tags sudeep-holla for-next/scmi git checkout 14e52757150274bc005ca64d2b26a7541b9f9161 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All errors (new ones prefixed by >>): 477 | FIELD_PREP(GENMASK(63, 32), power_thresh_high)); | ^~~~~~~~~~ include/linux/bits.h:38:38: note: in expansion of macro '__GENMASK' 38 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) | ^~~~~~~~~ drivers/firmware/arm_scmi/powercap.c:477:29: note: in expansion of macro 'GENMASK' 477 | FIELD_PREP(GENMASK(63, 32), power_thresh_high)); | ^~~~~~~ include/linux/bits.h:36:18: warning: right shift count is negative [-Wshift-count-negative] 36 | (~UL(0) >> (BITS_PER_LONG - 1 - (h)))) | ^~ include/linux/compiler_types.h:332:23: note: in definition of macro '__compiletime_assert' 332 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:352:9: note: in expansion of macro '_compiletime_assert' 352 | _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) | ^~~~~~~~~~~~~~~~ include/linux/build_bug.h:21:9: note: in expansion of macro 'BUILD_BUG_ON' 21 | BUILD_BUG_ON(((n) & ((n) - 1)) != 0) | ^~~~~~~~~~~~ include/linux/bitfield.h:74:17: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2' 74 | __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) + \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/bitfield.h:75:56: note: in expansion of macro '__bf_shf' 75 | (1ULL << __bf_shf(_mask))); \ | ^~~~~~~~ include/linux/bitfield.h:114:17: note: in expansion of macro '__BF_FIELD_CHECK' 114 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \ | ^~~~~~~~~~~~~~~~ drivers/firmware/arm_scmi/powercap.c:477:18: note: in expansion of macro 'FIELD_PREP' 477 | FIELD_PREP(GENMASK(63, 32), power_thresh_high)); | ^~~~~~~~~~ include/linux/bits.h:38:38: note: in expansion of macro '__GENMASK' 38 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) | ^~~~~~~~~ drivers/firmware/arm_scmi/powercap.c:477:29: note: in expansion of macro 'GENMASK' 477 | FIELD_PREP(GENMASK(63, 32), power_thresh_high)); | ^~~~~~~ In file included from drivers/firmware/arm_scmi/powercap.c:10: include/linux/bits.h:35:29: warning: left shift count >= width of type [-Wshift-count-overflow] 35 | (((~UL(0)) - (UL(1) << (l)) + 1) & \ | ^~ include/linux/bitfield.h:45:38: note: in definition of macro '__bf_shf' 45 | #define __bf_shf(x) (__builtin_ffsll(x) - 1) | ^ drivers/firmware/arm_scmi/powercap.c:477:18: note: in expansion of macro 'FIELD_PREP' 477 | FIELD_PREP(GENMASK(63, 32), power_thresh_high)); | ^~~~~~~~~~ include/linux/bits.h:38:38: note: in expansion of macro '__GENMASK' 38 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) | ^~~~~~~~~ drivers/firmware/arm_scmi/powercap.c:477:29: note: in expansion of macro 'GENMASK' 477 | FIELD_PREP(GENMASK(63, 32), power_thresh_high)); | ^~~~~~~ include/linux/bits.h:36:18: warning: right shift count is negative [-Wshift-count-negative] 36 | (~UL(0) >> (BITS_PER_LONG - 1 - (h)))) | ^~ include/linux/bitfield.h:45:38: note: in definition of macro '__bf_shf' 45 | #define __bf_shf(x) (__builtin_ffsll(x) - 1) | ^ drivers/firmware/arm_scmi/powercap.c:477:18: note: in expansion of macro 'FIELD_PREP' 477 | FIELD_PREP(GENMASK(63, 32), power_thresh_high)); | ^~~~~~~~~~ include/linux/bits.h:38:38: note: in expansion of macro '__GENMASK' 38 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) | ^~~~~~~~~ drivers/firmware/arm_scmi/powercap.c:477:29: note: in expansion of macro 'GENMASK' 477 | FIELD_PREP(GENMASK(63, 32), power_thresh_high)); | ^~~~~~~ include/linux/bits.h:35:29: warning: left shift count >= width of type [-Wshift-count-overflow] 35 | (((~UL(0)) - (UL(1) << (l)) + 1) & \ | ^~ include/linux/bitfield.h:115:63: note: in definition of macro 'FIELD_PREP' 115 | ((typeof(_mask))(_val) << __bf_shf(_mask)) & (_mask); \ | ^~~~~ include/linux/bits.h:38:38: note: in expansion of macro '__GENMASK' 38 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) | ^~~~~~~~~ drivers/firmware/arm_scmi/powercap.c:477:29: note: in expansion of macro 'GENMASK' 477 | FIELD_PREP(GENMASK(63, 32), power_thresh_high)); | ^~~~~~~ include/linux/bits.h:36:18: warning: right shift count is negative [-Wshift-count-negative] 36 | (~UL(0) >> (BITS_PER_LONG - 1 - (h)))) | ^~ include/linux/bitfield.h:115:63: note: in definition of macro 'FIELD_PREP' 115 | ((typeof(_mask))(_val) << __bf_shf(_mask)) & (_mask); \ | ^~~~~ include/linux/bits.h:38:38: note: in expansion of macro '__GENMASK' 38 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) | ^~~~~~~~~ drivers/firmware/arm_scmi/powercap.c:477:29: note: in expansion of macro 'GENMASK' 477 | FIELD_PREP(GENMASK(63, 32), power_thresh_high)); | ^~~~~~~ In file included from : >> include/linux/compiler_types.h:352:45: error: call to '__compiletime_assert_230' declared with attribute error: FIELD_PREP: mask is zero 352 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:333:25: note: in definition of macro '__compiletime_assert' 333 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:352:9: note: in expansion of macro '_compiletime_assert' 352 | _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/bitfield.h:67:17: note: in expansion of macro 'BUILD_BUG_ON_MSG' 67 | BUILD_BUG_ON_MSG((_mask) == 0, _pfx "mask is zero"); \ | ^~~~~~~~~~~~~~~~ include/linux/bitfield.h:114:17: note: in expansion of macro '__BF_FIELD_CHECK' 114 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \ | ^~~~~~~~~~~~~~~~ drivers/firmware/arm_scmi/powercap.c:477:18: note: in expansion of macro 'FIELD_PREP' 477 | FIELD_PREP(GENMASK(63, 32), power_thresh_high)); | ^~~~~~~~~~ vim +/__compiletime_assert_230 +352 include/linux/compiler_types.h eb5c2d4b45e3d2d Will Deacon 2020-07-21 338 eb5c2d4b45e3d2d Will Deacon 2020-07-21 339 #define _compiletime_assert(condition, msg, prefix, suffix) \ eb5c2d4b45e3d2d Will Deacon 2020-07-21 340 __compiletime_assert(condition, msg, prefix, suffix) eb5c2d4b45e3d2d Will Deacon 2020-07-21 341 eb5c2d4b45e3d2d Will Deacon 2020-07-21 342 /** eb5c2d4b45e3d2d Will Deacon 2020-07-21 343 * compiletime_assert - break build and emit msg if condition is false eb5c2d4b45e3d2d Will Deacon 2020-07-21 344 * @condition: a compile-time constant condition to check eb5c2d4b45e3d2d Will Deacon 2020-07-21 345 * @msg: a message to emit if condition is false eb5c2d4b45e3d2d Will Deacon 2020-07-21 346 * eb5c2d4b45e3d2d Will Deacon 2020-07-21 347 * In tradition of POSIX assert, this macro will break the build if the eb5c2d4b45e3d2d Will Deacon 2020-07-21 348 * supplied condition is *false*, emitting the supplied error message if the eb5c2d4b45e3d2d Will Deacon 2020-07-21 349 * compiler has support to do so. eb5c2d4b45e3d2d Will Deacon 2020-07-21 350 */ eb5c2d4b45e3d2d Will Deacon 2020-07-21 351 #define compiletime_assert(condition, msg) \ eb5c2d4b45e3d2d Will Deacon 2020-07-21 @352 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) eb5c2d4b45e3d2d Will Deacon 2020-07-21 353 :::::: The code at line 352 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://01.org/lkp