[paulmckrcu:dev.2026.06.16a 56/59] powerpc64-linux-gnu-ld: warning: discarding dynamic section .glink

[paulmckrcu:dev.2026.06.16a 56/59] powerpc64-linux-gnu-ld: warning: discarding dynamic section .glink

[kernel test robot]

:::::: 
:::::: Manual check reason: "low confidence bisect report"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
TO: "Paul E. McKenney" <paulmck@kernel.org>

tree:   https://github.com/paulmckrcu/linux dev.2026.06.16a
head:   47ca6a8aca98b11c9cb2a1a25597f94af559524f
commit: 678e86682304b42825f4af62b8b954c4e14874b8 [56/59] rcu: Make rcu_gp_cleanup() account for ->dqs_blkd_tasks
:::::: branch date: 13 hours ago
:::::: commit date: 21 hours ago
config: powerpc64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260625/202606250855.VAVrrdSV-lkp@intel.com/config)
compiler: powerpc64-linux-gnu-gcc (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260625/202606250855.VAVrrdSV-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/r/202606250855.VAVrrdSV-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> powerpc64-linux-gnu-ld: warning: discarding dynamic section .glink
>> powerpc64-linux-gnu-ld: warning: discarding dynamic section .plt
   powerpc64-linux-gnu-ld: linkage table error against `rcu_preempt_blocked_readers_cgp_ndqs'
   powerpc64-linux-gnu-ld: stubs don't match calculated size
   powerpc64-linux-gnu-ld: can not build stubs: bad value
   powerpc64-linux-gnu-ld: kernel/rcu/tree.o: in function `rcu_gp_cleanup':
   kernel/rcu/tree.c:2223:(.text+0x10fb8): undefined reference to `rcu_preempt_blocked_readers_cgp_ndqs'
   kernel/rcu/tree.c:2223:(.text+0x10fb8): call to `rcu_preempt_blocked_readers_cgp_ndqs' lacks nop, can't restore toc; (plt call stub)
   powerpc64-linux-gnu-ld: final link failed: bad value

--
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