Re: [PATCH v3 bpf-next 1/4] tracing/probe: Add PERF_EVENT_IOC_QUERY_PROBE ioctl

[kbuild test robot]

Hi Daniel,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on bpf-next/master]

url:    https://github.com/0day-ci/linux/commits/Daniel-Xu/tracing-probe-Add-PERF_EVENT_IOC_QUERY_PROBE-ioctl/20190820-003910
base:   https://kernel.googlesource.com/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: i386-alldefconfig (attached as .config)
compiler: gcc-7 (Debian 7.4.0-10) 7.4.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

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

All errors (new ones prefixed by >>):

   ld: init/do_mounts.o: in function `perf_kprobe_event_query':
>> do_mounts.c:(.text+0x80): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: init/do_mounts.o: in function `perf_uprobe_event_query':
>> do_mounts.c:(.text+0x90): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: init/noinitramfs.o: in function `perf_kprobe_event_query':
   noinitramfs.c:(.text+0x0): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: init/noinitramfs.o: in function `perf_uprobe_event_query':
   noinitramfs.c:(.text+0x10): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/entry/common.o: in function `perf_kprobe_event_query':
   common.c:(.text+0x2c0): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/entry/common.o: in function `perf_uprobe_event_query':
   common.c:(.text+0x2d0): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/kernel/process_32.o: in function `perf_kprobe_event_query':
   process_32.c:(.text+0x0): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/kernel/process_32.o: in function `perf_uprobe_event_query':
   process_32.c:(.text+0x10): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/kernel/signal.o: in function `perf_kprobe_event_query':
   signal.c:(.text+0x2e0): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/kernel/signal.o: in function `perf_uprobe_event_query':
   signal.c:(.text+0x2f0): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/kernel/ioport.o: in function `perf_kprobe_event_query':
   ioport.c:(.text+0x0): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/kernel/ioport.o: in function `perf_uprobe_event_query':
   ioport.c:(.text+0x10): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/kernel/ldt.o: in function `perf_kprobe_event_query':
   ldt.c:(.text+0x500): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/kernel/ldt.o: in function `perf_uprobe_event_query':
   ldt.c:(.text+0x510): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/kernel/process.o: in function `perf_kprobe_event_query':
   process.c:(.text+0xe0): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/kernel/process.o: in function `perf_uprobe_event_query':
   process.c:(.text+0xf0): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: arch/x86/kernel/tls.o: in function `perf_kprobe_event_query':
   tls.c:(.text+0x2c0): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: arch/x86/kernel/tls.o: in function `perf_uprobe_event_query':
   tls.c:(.text+0x2d0): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: kernel/fork.o: in function `perf_kprobe_event_query':
   fork.c:(.text+0x510): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: kernel/fork.o: in function `perf_uprobe_event_query':
   fork.c:(.text+0x520): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: kernel/exec_domain.o: in function `perf_kprobe_event_query':
   exec_domain.c:(.text+0x20): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: kernel/exec_domain.o: in function `perf_uprobe_event_query':
   exec_domain.c:(.text+0x30): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: kernel/cpu.o: in function `perf_kprobe_event_query':
   cpu.c:(.text+0x1b0): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: kernel/cpu.o: in function `perf_uprobe_event_query':
   cpu.c:(.text+0x1c0): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: kernel/exit.o: in function `perf_kprobe_event_query':
   exit.c:(.text+0x260): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: kernel/exit.o: in function `perf_uprobe_event_query':
   exit.c:(.text+0x270): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: kernel/sysctl.o: in function `perf_kprobe_event_query':
   sysctl.c:(.text+0x1790): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: kernel/sysctl.o: in function `perf_uprobe_event_query':
   sysctl.c:(.text+0x17a0): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: kernel/sysctl_binary.o: in function `perf_kprobe_event_query':
   sysctl_binary.c:(.text+0x0): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: kernel/sysctl_binary.o: in function `perf_uprobe_event_query':
   sysctl_binary.c:(.text+0x10): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: kernel/capability.o: in function `perf_kprobe_event_query':
   capability.c:(.text+0x170): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: kernel/capability.o: in function `perf_uprobe_event_query':
   capability.c:(.text+0x180): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: kernel/ptrace.o: in function `perf_kprobe_event_query':
   ptrace.c:(.text+0x680): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: kernel/ptrace.o: in function `perf_uprobe_event_query':
   ptrace.c:(.text+0x690): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: kernel/signal.o: in function `perf_kprobe_event_query':
   signal.c:(.text+0x810): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: kernel/signal.o: in function `perf_uprobe_event_query':
   signal.c:(.text+0x820): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: kernel/sys.o: in function `perf_kprobe_event_query':
   sys.c:(.text+0xa40): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: kernel/sys.o: in function `perf_uprobe_event_query':
   sys.c:(.text+0xa50): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: kernel/umh.o: in function `perf_kprobe_event_query':
   umh.c:(.text+0x4b0): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: kernel/umh.o: in function `perf_uprobe_event_query':
   umh.c:(.text+0x4c0): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: kernel/pid.o: in function `perf_kprobe_event_query':
   pid.c:(.text+0x0): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: kernel/pid.o: in function `perf_uprobe_event_query':
   pid.c:(.text+0x10): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: kernel/nsproxy.o: in function `perf_kprobe_event_query':
   nsproxy.c:(.text+0x1e0): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: kernel/nsproxy.o: in function `perf_uprobe_event_query':
   nsproxy.c:(.text+0x1f0): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: kernel/reboot.o: in function `perf_kprobe_event_query':
   reboot.c:(.text+0x90): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: kernel/reboot.o: in function `perf_uprobe_event_query':
   reboot.c:(.text+0xa0): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: kernel/groups.o: in function `perf_kprobe_event_query':
   groups.c:(.text+0x20): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: kernel/groups.o: in function `perf_uprobe_event_query':
   groups.c:(.text+0x30): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: kernel/sched/core.o: in function `perf_kprobe_event_query':
   core.c:(.text+0xdf0): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: kernel/sched/core.o: in function `perf_uprobe_event_query':
   core.c:(.text+0xe00): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here
   ld: kernel/sched/loadavg.o: in function `perf_kprobe_event_query':
   loadavg.c:(.text+0x0): multiple definition of `perf_kprobe_event_query'; init/main.o:main.c:(.text+0x80): first defined here
   ld: kernel/sched/loadavg.o: in function `perf_uprobe_event_query':
   loadavg.c:(.text+0x10): multiple definition of `perf_uprobe_event_query'; init/main.o:main.c:(.text+0x90): first defined here

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