Re: [PATCH v2] sched: rcu: fix rq->{curr,donor} address space annotations
From: kernel test robot
Date: Fri Feb 20 2026 - 18:19:46 EST
Hi Sun,
kernel test robot noticed the following build errors:
[auto build test ERROR on 770aaedb461a055f79b971d538678942b6607894]
url: https://github.com/intel-lab-lkp/linux/commits/Sun-Jian/sched-rcu-fix-rq-curr-donor-address-space-annotations/20260221-033739
base: 770aaedb461a055f79b971d538678942b6607894
patch link: https://lore.kernel.org/r/20260220193353.21870-1-sun.jian.kdev%40gmail.com
patch subject: [PATCH v2] sched: rcu: fix rq->{curr,donor} address space annotations
config: arc-allnoconfig (https://download.01.org/0day-ci/archive/20260221/202602210752.PVuJInZ7-lkp@xxxxxxxxx/config)
compiler: arc-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260221/202602210752.PVuJInZ7-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202602210752.PVuJInZ7-lkp@xxxxxxxxx/
All errors (new ones prefixed by >>):
arc-linux-ld: kernel/sched/core.o: in function `wake_up_if_idle':
core.c:(.text+0x1ecc): undefined reference to `lockdep_is_held'
>> arc-linux-ld: core.c:(.text+0x1ecc): undefined reference to `lockdep_is_held'
arc-linux-ld: kernel/sched/core.o: in function `__schedule':
core.c:(.sched.text+0x6a): undefined reference to `lockdep_is_held'
>> arc-linux-ld: core.c:(.sched.text+0x6a): undefined reference to `lockdep_is_held'
arc-linux-ld: core.c:(.sched.text+0x136): undefined reference to `lockdep_is_held'
arc-linux-ld: kernel/sched/core.o:core.c:(.sched.text+0x136): more undefined references to `lockdep_is_held' follow
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki