Messages in this thread | | | Date | Wed, 27 May 2020 12:43:19 -0700 | From | "Paul E. McKenney" <> | Subject | Re: [rcu:dev.2020.05.26b 51/70] powerpc64-linux-ld: kernel/rcu/refperf.o:(.discard+0x0): multiple definition of `__pcpu_unique_srcu_ctl_perf_srcu_data'; kernel/rcu/rcuperf.o:(.discard+0x0): first defined here |
| |
On Thu, May 28, 2020 at 12:17:23AM +0800, kbuild test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2020.05.26b > head: 795279db1396bf66621fa3f343fa990fe543b89e > commit: 786a25497743696d79592b864cafbfe48787e6e1 [51/70] refperf: Add a test to measure performance of read-side synchronization > config: powerpc-allyesconfig (attached as .config) > compiler: powerpc64-linux-gcc (GCC) 9.3.0 > reproduce (this is a W=1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout 786a25497743696d79592b864cafbfe48787e6e1 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kbuild test robot <lkp@intel.com> > > All errors (new ones prefixed by >>, old ones prefixed by <<): > > >> powerpc64-linux-ld: kernel/rcu/refperf.o:(.discard+0x0): multiple definition of `__pcpu_unique_srcu_ctl_perf_srcu_data'; kernel/rcu/rcuperf.o:(.discard+0x0): first defined here
Ah, yes, despite the "static" keyword, the names must be unique throughout the kernel. Will fix!
Thanx, Paul
| |