Re: [PATCH 1/3] perf/core: Provide a kernel-internal interface to recalibrate event period

[kbuild test robot]

Hi Like,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on kvm/linux-next]
[cannot apply to v5.4-rc1 next-20190930]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Like-Xu/perf-core-Provide-a-kernel-internal-interface-to-recalibrate-event-period/20191001-081543
base:   https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next
config: nds32-allnoconfig (attached as .config)
compiler: nds32le-linux-gcc (GCC) 8.1.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=8.1.0 make.cross ARCH=nds32 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

   nds32le-linux-ld: init/do_mounts.o: in function `perf_event_period':
>> do_mounts.c:(.text+0xc): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: init/noinitramfs.o: in function `perf_event_period':
   noinitramfs.c:(.text+0x0): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: arch/nds32/kernel/sys_nds32.o: in function `perf_event_period':
   sys_nds32.c:(.text+0x0): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: arch/nds32/kernel/syscall_table.o: in function `perf_event_period':
   syscall_table.c:(.text+0x0): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: arch/nds32/mm/fault.o: in function `perf_event_period':
   fault.c:(.text+0x0): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/fork.o: in function `perf_event_period':
   fork.c:(.text+0x374): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/exec_domain.o: in function `perf_event_period':
   exec_domain.c:(.text+0x0): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/cpu.o: in function `perf_event_period':
   cpu.c:(.text+0xd4): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/exit.o: in function `perf_event_period':
   exit.c:(.text+0xf30): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/sysctl.o: in function `perf_event_period':
   sysctl.c:(.text+0x0): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/sysctl_binary.o: in function `perf_event_period':
   sysctl_binary.c:(.text+0x0): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/capability.o: in function `perf_event_period':
   capability.c:(.text+0x0): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/ptrace.o: in function `perf_event_period':
   ptrace.c:(.text+0x3f4): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/signal.o: in function `perf_event_period':
   signal.c:(.text+0x580): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/sys.o: in function `perf_event_period':
   sys.c:(.text+0x70c): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/umh.o: in function `perf_event_period':
   umh.c:(.text+0x4c8): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/pid.o: in function `perf_event_period':
   pid.c:(.text+0x0): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/nsproxy.o: in function `perf_event_period':
   nsproxy.c:(.text+0x14c): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/reboot.o: in function `perf_event_period':
   reboot.c:(.text+0x6c): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/sched/core.o: in function `perf_event_period':
   core.c:(.text+0x338): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/sched/loadavg.o: in function `perf_event_period':
   loadavg.c:(.text+0x0): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/sched/clock.o: in function `perf_event_period':
   clock.c:(.text+0x0): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/sched/cputime.o: in function `perf_event_period':
   cputime.c:(.text+0x0): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/sched/idle.o: in function `perf_event_period':
   idle.c:(.text+0x94): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/sched/fair.o: in function `perf_event_period':
   fair.c:(.text+0xe68): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/sched/rt.o: in function `perf_event_period':
   rt.c:(.text+0x9bc): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/sched/deadline.o: in function `perf_event_period':
   deadline.c:(.text+0x138c): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/sched/wait.o: in function `perf_event_period':
   wait.c:(.text+0x16c): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/sched/wait_bit.o: in function `perf_event_period':
   wait_bit.c:(.text+0x70): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/sched/swait.o: in function `perf_event_period':
   swait.c:(.text+0x28): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/sched/completion.o: in function `perf_event_period':
   completion.c:(.text+0x0): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/power/qos.o: in function `perf_event_period':
   qos.c:(.text+0xbc): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/printk/printk.o: in function `perf_event_period':
   printk.c:(.text+0x1cc): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/time/time.o: in function `perf_event_period':
   time.c:(.text+0x3c): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/time/timer.o: in function `perf_event_period':
   timer.c:(.text+0x3a4): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/time/hrtimer.o: in function `perf_event_period':
   hrtimer.c:(.text+0x5c4): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/time/posix-stubs.o: in function `perf_event_period':
   posix-stubs.c:(.text+0x0): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: kernel/time/tick-common.o: in function `perf_event_period':
   tick-common.c:(.text+0x18c): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: mm/fadvise.o: in function `perf_event_period':
   fadvise.c:(.text+0x0): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: mm/page-writeback.o: in function `perf_event_period':
   page-writeback.c:(.text+0x668): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: mm/readahead.o: in function `perf_event_period':
   readahead.c:(.text+0x198): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: mm/debug.o: in function `perf_event_period':
   debug.c:(.text+0x74): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: mm/mincore.o: in function `perf_event_period':
   mincore.c:(.text+0x184): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: mm/mlock.o: in function `perf_event_period':
   mlock.c:(.text+0x528): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: mm/mmap.o: in function `perf_event_period':
   mmap.c:(.text+0x63c): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: mm/mprotect.o: in function `perf_event_period':
   mprotect.c:(.text+0x2b8): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: mm/mremap.o: in function `perf_event_period':
   mremap.c:(.text+0xdc): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: mm/msync.o: in function `perf_event_period':
   msync.c:(.text+0x0): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: fs/open.o: in function `perf_event_period':
   open.c:(.text+0x3f4): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: fs/read_write.o: in function `perf_event_period':
   read_write.c:(.text+0x300): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here
   nds32le-linux-ld: fs/stat.o: in function `perf_event_period':
   stat.c:(.text+0x2f0): multiple definition of `perf_event_period'; init/main.o:main.c:(.text+0x0): first defined here

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0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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