linux-kernel - [paulmck-rcu:dev.2024.04.04b 59/65] controller.c:undefined reference to `cmpxchg_emu

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Date: Tue, 9 Apr 2024 14:44:49 +0800
From: kernel test robot <lkp@...el.com>
To: "Paul E. McKenney" <paulmck@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: [paulmck-rcu:dev.2024.04.04b 59/65] controller.c:undefined reference
 to `cmpxchg_emu_u8'

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@...el.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'

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki