Messages in this thread | ![/](/images/icornerl.gif) | | Date | Tue, 9 Apr 2024 09:00:04 -0700 | From | "Paul E. McKenney" <> | Subject | Re: [paulmck-rcu:dev.2024.04.04b 59/65] controller.c:undefined reference to `cmpxchg_emu_u8' |
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On Tue, Apr 09, 2024 at 08:56:05AM -0700, Paul E. McKenney wrote: > On Tue, Apr 09, 2024 at 02:44:49PM +0800, kernel test robot wrote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2024.04.04b > > head: e2a520f3f3921cb5d3c9631917fccf8c215991ce > > commit: 5ce37a62e3d207bd20d4c850c4547816c0dd9c22 [59/65] EXP arch/x86: Test one-byte cmpxchg emulation > > config: i386-buildonly-randconfig-006-20240409 (https://download.01.org/0day-ci/archive/20240409/202404091402.CYa0g4R6-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/20240409/202404091402.CYa0g4R6-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 <lkp@intel.com> > > | Closes: https://lore.kernel.org/oe-kbuild-all/202404091402.CYa0g4R6-lkp@intel.com/ > > > > All errors (new ones prefixed by >>): > > > > ld: drivers/platform/surface/aggregator/controller.o: in function `ssam_request_write_data': > > >> controller.c:(.text+0xcdf): undefined reference to `cmpxchg_emu_u8' > > I believe that this is fixed in this updated version: > > b8eb8a06afe1 ("EXP arch/x86: Test one-byte cmpxchg emulation") > > But please let me know if I am missing something here.
OK, what I am missing is my failure to have changed ARCH_NEED_CMPXCHG_1_2_EMU to ARCH_NEED_CMPXCHG_1_EMU. On it! And yet again, thank you for your testing efforts.
Thanx, Paul
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