tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: faa195bad3afed3c326917fb4cd36e0bd311220c commit: 19895b9974c36318281e4e18131a2cfb43543ffd [3098/3098] bpf-rvi: Add stat-related misc kfuncs config: x86_64-randconfig-001-20251104 (https://download.01.org/0day-ci/archive/20251105/202511050607.O3tCEeVJ-lkp@i...) 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/20251105/202511050607.O3tCEeVJ-lkp@i...) 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/202511050607.O3tCEeVJ-lkp@intel.com/ All warnings (new ones prefixed by >>): fs/proc/stat.c:224:17: warning: no previous prototype for 'bpf_get_idle_time' [-Wmissing-prototypes] 224 | __bpf_kfunc u64 bpf_get_idle_time(struct kernel_cpustat *kcs, int cpu) | ^~~~~~~~~~~~~~~~~ fs/proc/stat.c:229:17: warning: no previous prototype for 'bpf_get_iowait_time' [-Wmissing-prototypes] 229 | __bpf_kfunc u64 bpf_get_iowait_time(struct kernel_cpustat *kcs, int cpu) | ^~~~~~~~~~~~~~~~~~~

...

fs/proc/stat.c:234:18: warning: no previous prototype for 'bpf_show_all_irqs' [-Wmissing-prototypes] 234 | __bpf_kfunc void bpf_show_all_irqs(struct seq_file *p) | ^~~~~~~~~~~~~~~~~ -- kernel/bpf-rvi/common_kfuncs.c:24:32: warning: no previous prototype for 'bpf_mem_cgroup_from_task' [-Wmissing-prototypes] 24 | __bpf_kfunc struct mem_cgroup *bpf_mem_cgroup_from_task(struct task_struct *p) | ^~~~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:33:35: warning: no previous prototype for 'bpf_task_active_pid_ns' [-Wmissing-prototypes] 33 | __bpf_kfunc struct pid_namespace *bpf_task_active_pid_ns(struct task_struct *task) | ^~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:38:17: warning: no previous prototype for 'bpf_pidns_nr_tasks' [-Wmissing-prototypes] 38 | __bpf_kfunc u64 bpf_pidns_nr_tasks(struct pid_namespace *ns) | ^~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:52:17: warning: no previous prototype for 'bpf_pidns_last_pid' [-Wmissing-prototypes] 52 | __bpf_kfunc u32 bpf_pidns_last_pid(struct pid_namespace *ns) | ^~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:81:18: warning: no previous prototype for 'bpf_si_memswinfo' [-Wmissing-prototypes] 81 | __bpf_kfunc void bpf_si_memswinfo(struct bpf_sysinfo *bsi) | ^~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:91:27: warning: no previous prototype for 'bpf_page_counter_read' [-Wmissing-prototypes] 91 | __bpf_kfunc unsigned long bpf_page_counter_read(struct page_counter *counter) | ^~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:101:18: warning: no previous prototype for 'bpf_seq_file_append' [-Wmissing-prototypes] 101 | __bpf_kfunc void bpf_seq_file_append(struct seq_file *dst, struct seq_file *src) | ^~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:115:18: warning: no previous prototype for 'bpf_get_boottime_timens' [-Wmissing-prototypes] 115 | __bpf_kfunc void bpf_get_boottime_timens(struct task_struct *tsk, struct timespec64 *boottime) | ^~~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:121:27: warning: no previous prototype for 'bpf_get_total_forks' [-Wmissing-prototypes] 121 | __bpf_kfunc unsigned long bpf_get_total_forks(void) | ^~~~~~~~~~~~~~~~~~~

vim +/bpf_show_all_irqs +234 fs/proc/stat.c 222 223 #ifdef CONFIG_BPF_RVI

224 __bpf_kfunc u64 bpf_get_idle_time(struct kernel_cpustat *kcs, int cpu) 225 { 226 return get_idle_time(kcs, cpu); 227 } 228 229 __bpf_kfunc u64 bpf_get_iowait_time(struct kernel_cpustat *kcs, int cpu) 230 { 231 return get_iowait_time(kcs, cpu); 232 } 233 234 __bpf_kfunc void bpf_show_all_irqs(struct seq_file *p) 235 { 236 show_all_irqs(p); 237 } 238

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