Re: [PATCH bpf-next v6 3/6] bpf: Add sleepable support for classic tracepoint programs

[kernel test robot <lkp@intel.com>]

Hi Mykyta,

kernel test robot noticed the following build errors:

[auto build test ERROR on 6c8e1a9eee0fec802b542dadf768c30c2a183b3c]

url:    https://github.com/intel-lab-lkp/linux/commits/Mykyta-Yatsenko/bpf-Add-sleepable-support-for-raw-tracepoint-programs/20260327-132324
base:   6c8e1a9eee0fec802b542dadf768c30c2a183b3c
patch link:    https://lore.kernel.org/r/20260325-sleepable_tracepoints-v6-3-2b182dacea13%40meta.com
patch subject: [PATCH bpf-next v6 3/6] bpf: Add sleepable support for classic tracepoint programs
config: x86_64-randconfig-103-20260327 (https://download.01.org/0day-ci/archive/20260327/202603271953.AkWFtw6W-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260327/202603271953.AkWFtw6W-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/oe-kbuild-all/202603271953.AkWFtw6W-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/security.h:35,
                    from include/linux/perf_event.h:53,
                    from include/linux/trace_events.h:10,
                    from include/trace/syscall.h:7,
                    from include/linux/syscalls.h:95,
                    from include/linux/syscalls_api.h:1,
                    from kernel/sched/sched.h:64,
                    from kernel/sched/rq-offsets.c:5:
>> include/linux/bpf.h:3363:20: error: static declaration of 'bpf_prog_inc_misses_counter' follows non-static declaration
    3363 | static inline void bpf_prog_inc_misses_counter(struct bpf_prog *prog)
         |                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/bpf.h:2489:14: note: previous declaration of 'bpf_prog_inc_misses_counter' with type 'void(struct bpf_prog *)'
    2489 | void notrace bpf_prog_inc_misses_counter(struct bpf_prog *prog);
         |              ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   make[3]: *** [scripts/Makefile.build:184: kernel/sched/rq-offsets.s] Error 1
   make[3]: Target 'prepare' not remade because of errors.
   make[2]: *** [Makefile:1333: prepare0] Error 2
   make[2]: Target 'prepare' not remade because of errors.
   make[1]: *** [Makefile:248: __sub-make] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:248: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.


vim +/bpf_prog_inc_misses_counter +3363 include/linux/bpf.h

05b24ff9b2cfab Jiri Olsa     2022-09-16  3362  
05b24ff9b2cfab Jiri Olsa     2022-09-16 @3363  static inline void bpf_prog_inc_misses_counter(struct bpf_prog *prog)
05b24ff9b2cfab Jiri Olsa     2022-09-16  3364  {
05b24ff9b2cfab Jiri Olsa     2022-09-16  3365  }
c4bcfb38a95edb Yonghong Song 2022-10-25  3366  

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