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McKenney" Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [paulmck-rcu:dev.2024.05.18a 44/51] update.c:undefined reference to `cmpxchg_emu_u8' Message-ID: <202405271352.XYjxKyUi-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2024.05.18a head: 0e3eb8082184e066eb389f5e6f9c7b8c2d452d66 commit: c48887df74a95090e633a29ffbcef00b71cdab66 [44/51] rcu-tasks: Remove open-coded one-byte cmpxchg() emulation config: um-allyesconfig (https://download.01.org/0day-ci/archive/20240527/202405271352.XYjxKyUi-lkp@intel.com/config) compiler: gcc-13 (Ubuntu 13.2.0-4ubuntu3) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240527/202405271352.XYjxKyUi-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/202405271352.XYjxKyUi-lkp@intel.com/ All errors (new ones prefixed by >>): /usr/bin/ld: kernel/rcu/update.o: in function `rcu_trc_cmpxchg_need_qs': >> update.c:(.text+0x27d5): undefined reference to `cmpxchg_emu_u8' /usr/bin/ld: kernel/rcu/update.o: in function `trc_read_check_handler': update.c:(.text+0x2839): undefined reference to `cmpxchg_emu_u8' >> /usr/bin/ld: update.c:(.text+0x2882): undefined reference to `cmpxchg_emu_u8' /usr/bin/ld: kernel/rcu/update.o: in function `trc_inspect_reader': update.c:(.text+0x52ce): undefined reference to `cmpxchg_emu_u8' /usr/bin/ld: update.c:(.text+0x5330): undefined reference to `cmpxchg_emu_u8' /usr/bin/ld: kernel/rcu/update.o:update.c:(.text+0x5933): more undefined references to `cmpxchg_emu_u8' follow >> collect2: error: ld returned 1 exit status -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki