[avpatel:riscv_sbi_watchdog_v1 94/98] include/linux/perf/riscv_pmu.h:153:49: warning: 'struct cpu_hw_events' declared inside parameter list will not be visible outside of this definition or declaration

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

tree:   https://github.com/avpatel/linux.git riscv_sbi_watchdog_v1
head:   929bf13433e242a3f255f463b2fb44633e102e0d
commit: b4cc5b9ca0cada8221e31b647640bbae515000a1 [94/98] riscv: pmu: Add driver for Control Transfer Records Ext
config: riscv-randconfig-2000-20261108 (https://download.01.org/0day-ci/archive/20261108/202611081821.wrW1WvLU-lkp@intel.com/config)
compiler: riscv32-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261108/202611081821.wrW1WvLU-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/202611081821.wrW1WvLU-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from arch/riscv/include/asm/kvm_vcpu_pmu.h:12,
                    from arch/riscv/include/asm/kvm_host.h:27,
                    from arch/riscv/kernel/asm-offsets.c:13:
>> include/linux/perf/riscv_pmu.h:153:49: warning: 'struct cpu_hw_events' declared inside parameter list will not be visible outside of this definition or declaration
    static inline void riscv_pmu_ctr_consume(struct cpu_hw_events *cpuc,
                                                    ^~~~~~~~~~~~~
   include/linux/perf/riscv_pmu.h: In function 'riscv_pmu_ctr_sched_task':
   include/linux/perf/riscv_pmu.h:155:45: error: parameter name omitted
    static inline void riscv_pmu_ctr_sched_task(struct perf_event_pmu_context *,
                                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/perf/riscv_pmu.h: At top level:
>> include/linux/perf/riscv_pmu.h:163:45: warning: 'struct riscv_pmu' declared inside parameter list will not be visible outside of this definition or declaration
    static inline int riscv_pmu_ctr_init(struct riscv_pmu *riscv_pmu) { return 0; }
                                                ^~~~~~~~~
   include/linux/perf/riscv_pmu.h:164:48: warning: 'struct riscv_pmu' declared inside parameter list will not be visible outside of this definition or declaration
    static inline void riscv_pmu_ctr_finish(struct riscv_pmu *riscv_pmu) { }
                                                   ^~~~~~~~~
   include/linux/perf/riscv_pmu.h:158:13: warning: 'riscv_pmu_ctr_del' defined but not used [-Wunused-function]
    static void riscv_pmu_ctr_del(struct perf_event *event) { }
                ^~~~~~~~~~~~~~~~~
   include/linux/perf/riscv_pmu.h:157:13: warning: 'riscv_pmu_ctr_add' defined but not used [-Wunused-function]
    static void riscv_pmu_ctr_add(struct perf_event *event) { }
                ^~~~~~~~~~~~~~~~~
   make[3]: *** [scripts/Makefile.build:185: arch/riscv/kernel/asm-offsets.s] Error 1 shuffle=817640402
   make[3]: Target 'prepare' not remade because of errors.
   make[2]: *** [Makefile:1417: prepare0] Error 2 shuffle=817640402
   make[2]: Target 'prepare' not remade because of errors.
   make[1]: *** [Makefile:248: __sub-make] Error 2 shuffle=817640402
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:248: __sub-make] Error 2 shuffle=817640402
   make: Target 'prepare' not remade because of errors.


vim +153 include/linux/perf/riscv_pmu.h

   151	
   152	static inline bool riscv_pmu_ctr_valid(struct perf_event *event) { return false; }
 > 153	static inline void riscv_pmu_ctr_consume(struct cpu_hw_events *cpuc,
   154						 struct perf_event *event) { }
   155	static inline void riscv_pmu_ctr_sched_task(struct perf_event_pmu_context *,
   156						    struct task_struct *task, bool sched_in) { }
   157	static void riscv_pmu_ctr_add(struct perf_event *event) { }
   158	static void riscv_pmu_ctr_del(struct perf_event *event) { }
   159	static inline void riscv_pmu_ctr_enable(struct perf_event *event) { }
   160	static inline void riscv_pmu_ctr_disable(struct perf_event *event) { }
   161	static inline void riscv_pmu_ctr_dying_cpu(void) { }
   162	static inline void riscv_pmu_ctr_starting_cpu(void) { }
 > 163	static inline int riscv_pmu_ctr_init(struct riscv_pmu *riscv_pmu) { return 0; }
   164	static inline void riscv_pmu_ctr_finish(struct riscv_pmu *riscv_pmu) { }
   165	

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki