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Date: Mon, 17 Oct 2022 18:36:58 +0800
From: kernel test robot <lkp@...el.com>
To: Mark Rutland <mark.rutland@....com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [mark:arm64/ftrace/per-callsite-ops 7/11]
include/linux/ftrace.h:60:47: warning: 'struct dyn_ftrace' declared inside
parameter list will not be visible outside of this definition or declaration
tree: https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git arm64/ftrace/per-callsite-ops
head: c38c50315b2f4311f78a93848e088ac6c77e6aa5
commit: fd70dc6e91f8948e2def0e145b3874bac45a1295 [7/11] WIP: ftrace: add DYNAMIC_FTRACE_WITH_CALL_OPS
config: parisc-allyesconfig
compiler: hppa-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git/commit/?id=fd70dc6e91f8948e2def0e145b3874bac45a1295
git remote add mark https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git
git fetch --no-tags mark arm64/ftrace/per-callsite-ops
git checkout fd70dc6e91f8948e2def0e145b3874bac45a1295
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=parisc SHELL=/bin/bash arch/parisc/kernel/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
In file included from include/linux/kprobes.h:28,
from include/linux/kgdb.h:19,
from arch/parisc/kernel/traps.c:47:
>> include/linux/ftrace.h:60:47: warning: 'struct dyn_ftrace' declared inside parameter list will not be visible outside of this definition or declaration
60 | struct ftrace_ops *ftrace_find_rec_ops(struct dyn_ftrace *rec);
| ^~~~~~~~~~
arch/parisc/kernel/traps.c:338:6: warning: no previous prototype for 'transfer_pim_to_trap_frame' [-Wmissing-prototypes]
338 | void transfer_pim_to_trap_frame(struct pt_regs *regs)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/parisc/kernel/traps.c:479:14: warning: no previous prototype for 'handle_interruption' [-Wmissing-prototypes]
479 | void notrace handle_interruption(int code, struct pt_regs *regs)
| ^~~~~~~~~~~~~~~~~~~
arch/parisc/kernel/traps.c:806:13: warning: no previous prototype for 'initialize_ivt' [-Wmissing-prototypes]
806 | void __init initialize_ivt(const void *iva)
| ^~~~~~~~~~~~~~
arch/parisc/kernel/traps.c: In function 'initialize_ivt':
arch/parisc/kernel/traps.c:813:14: warning: variable 'hpmcp' set but not used [-Wunused-but-set-variable]
813 | u32 *hpmcp;
| ^~~~~
arch/parisc/kernel/traps.c: At top level:
arch/parisc/kernel/traps.c:858:14: warning: no previous prototype for 'early_trap_init' [-Wmissing-prototypes]
858 | void __init early_trap_init(void)
| ^~~~~~~~~~~~~~~
--
In file included from arch/parisc/kernel/time.c:31:
>> include/linux/ftrace.h:60:47: warning: 'struct dyn_ftrace' declared inside parameter list will not be visible outside of this definition or declaration
60 | struct ftrace_ops *ftrace_find_rec_ops(struct dyn_ftrace *rec);
| ^~~~~~~~~~
arch/parisc/kernel/time.c:64:25: warning: no previous prototype for 'timer_interrupt' [-Wmissing-prototypes]
64 | irqreturn_t __irq_entry timer_interrupt(int irq, void *dev_id)
| ^~~~~~~~~~~~~~~
arch/parisc/kernel/time.c:155:6: warning: no previous prototype for 'start_cpu_itimer' [-Wmissing-prototypes]
155 | void start_cpu_itimer(void)
| ^~~~~~~~~~~~~~~~
arch/parisc/kernel/time.c:238:13: warning: no previous prototype for 'time_init' [-Wmissing-prototypes]
238 | void __init time_init(void)
| ^~~~~~~~~
--
In file included from include/linux/perf_event.h:52,
from include/linux/trace_events.h:10,
from include/trace/syscall.h:7,
from include/linux/syscalls.h:88,
from arch/parisc/kernel/sys_parisc.c:22:
>> include/linux/ftrace.h:60:47: warning: 'struct dyn_ftrace' declared inside parameter list will not be visible outside of this definition or declaration
60 | struct ftrace_ops *ftrace_find_rec_ops(struct dyn_ftrace *rec);
| ^~~~~~~~~~
arch/parisc/kernel/sys_parisc.c:247:15: warning: no previous prototype for 'arch_mmap_rnd' [-Wmissing-prototypes]
247 | unsigned long arch_mmap_rnd(void)
| ^~~~~~~~~~~~~
arch/parisc/kernel/sys_parisc.c:275:26: warning: no previous prototype for 'sys_mmap2' [-Wmissing-prototypes]
275 | asmlinkage unsigned long sys_mmap2(unsigned long addr, unsigned long len,
| ^~~~~~~~~
arch/parisc/kernel/sys_parisc.c:285:26: warning: no previous prototype for 'sys_mmap' [-Wmissing-prototypes]
285 | asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len,
| ^~~~~~~~
arch/parisc/kernel/sys_parisc.c:328:17: warning: no previous prototype for 'parisc_truncate64' [-Wmissing-prototypes]
328 | asmlinkage long parisc_truncate64(const char __user * path,
| ^~~~~~~~~~~~~~~~~
arch/parisc/kernel/sys_parisc.c:334:17: warning: no previous prototype for 'parisc_ftruncate64' [-Wmissing-prototypes]
334 | asmlinkage long parisc_ftruncate64(unsigned int fd,
| ^~~~~~~~~~~~~~~~~~
arch/parisc/kernel/sys_parisc.c:341:20: warning: no previous prototype for 'parisc_pread64' [-Wmissing-prototypes]
341 | asmlinkage ssize_t parisc_pread64(unsigned int fd, char __user *buf, size_t count,
| ^~~~~~~~~~~~~~
arch/parisc/kernel/sys_parisc.c:347:20: warning: no previous prototype for 'parisc_pwrite64' [-Wmissing-prototypes]
347 | asmlinkage ssize_t parisc_pwrite64(unsigned int fd, const char __user *buf,
| ^~~~~~~~~~~~~~~
arch/parisc/kernel/sys_parisc.c:353:20: warning: no previous prototype for 'parisc_readahead' [-Wmissing-prototypes]
353 | asmlinkage ssize_t parisc_readahead(int fd, unsigned int high, unsigned int low,
| ^~~~~~~~~~~~~~~~
arch/parisc/kernel/sys_parisc.c:359:17: warning: no previous prototype for 'parisc_fadvise64_64' [-Wmissing-prototypes]
359 | asmlinkage long parisc_fadvise64_64(int fd,
| ^~~~~~~~~~~~~~~~~~~
arch/parisc/kernel/sys_parisc.c:367:17: warning: no previous prototype for 'parisc_sync_file_range' [-Wmissing-prototypes]
367 | asmlinkage long parisc_sync_file_range(int fd,
| ^~~~~~~~~~~~~~~~~~~~~~
arch/parisc/kernel/sys_parisc.c:375:17: warning: no previous prototype for 'parisc_fallocate' [-Wmissing-prototypes]
375 | asmlinkage long parisc_fallocate(int fd, int mode, u32 offhi, u32 offlo,
| ^~~~~~~~~~~~~~~~
arch/parisc/kernel/sys_parisc.c:382:6: warning: no previous prototype for 'parisc_personality' [-Wmissing-prototypes]
382 | long parisc_personality(unsigned long personality)
| ^~~~~~~~~~~~~~~~~~
arch/parisc/kernel/sys_parisc.c:422:17: warning: no previous prototype for 'parisc_timerfd_create' [-Wmissing-prototypes]
422 | asmlinkage long parisc_timerfd_create(int clockid, int flags)
| ^~~~~~~~~~~~~~~~~~~~~
arch/parisc/kernel/sys_parisc.c:428:17: warning: no previous prototype for 'parisc_signalfd4' [-Wmissing-prototypes]
428 | asmlinkage long parisc_signalfd4(int ufd, sigset_t __user *user_mask,
| ^~~~~~~~~~~~~~~~
arch/parisc/kernel/sys_parisc.c:445:17: warning: no previous prototype for 'parisc_eventfd2' [-Wmissing-prototypes]
445 | asmlinkage long parisc_eventfd2(unsigned int count, int flags)
| ^~~~~~~~~~~~~~~
arch/parisc/kernel/sys_parisc.c:451:17: warning: no previous prototype for 'parisc_userfaultfd' [-Wmissing-prototypes]
451 | asmlinkage long parisc_userfaultfd(int flags)
| ^~~~~~~~~~~~~~~~~~
arch/parisc/kernel/sys_parisc.c:457:17: warning: no previous prototype for 'parisc_pipe2' [-Wmissing-prototypes]
457 | asmlinkage long parisc_pipe2(int __user *fildes, int flags)
| ^~~~~~~~~~~~
arch/parisc/kernel/sys_parisc.c:463:17: warning: no previous prototype for 'parisc_inotify_init1' [-Wmissing-prototypes]
463 | asmlinkage long parisc_inotify_init1(int flags)
| ^~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/perf_event.h:52,
from include/linux/trace_events.h:10,
from include/trace/trace_events.h:21,
from include/trace/define_trace.h:102,
from include/trace/events/syscalls.h:73,
from arch/parisc/kernel/ptrace.c:35:
>> include/linux/ftrace.h:60:47: warning: 'struct dyn_ftrace' declared inside parameter list will not be visible outside of this definition or declaration
60 | struct ftrace_ops *ftrace_find_rec_ops(struct dyn_ftrace *rec);
| ^~~~~~~~~~
arch/parisc/kernel/ptrace.c:315:6: warning: no previous prototype for 'do_syscall_trace_enter' [-Wmissing-prototypes]
315 | long do_syscall_trace_enter(struct pt_regs *regs)
| ^~~~~~~~~~~~~~~~~~~~~~
arch/parisc/kernel/ptrace.c:370:6: warning: no previous prototype for 'do_syscall_trace_exit' [-Wmissing-prototypes]
370 | void do_syscall_trace_exit(struct pt_regs *regs)
| ^~~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/perf_event.h:52,
from include/linux/trace_events.h:10,
from include/trace/syscall.h:7,
from include/linux/syscalls.h:88,
from arch/parisc/kernel/parisc_ksyms.c:16:
>> include/linux/ftrace.h:60:47: warning: 'struct dyn_ftrace' declared inside parameter list will not be visible outside of this definition or declaration
60 | struct ftrace_ops *ftrace_find_rec_ops(struct dyn_ftrace *rec);
| ^~~~~~~~~~
--
In file included from arch/parisc/kernel/smp.c:30:
>> include/linux/ftrace.h:60:47: warning: 'struct dyn_ftrace' declared inside parameter list will not be visible outside of this definition or declaration
60 | struct ftrace_ops *ftrace_find_rec_ops(struct dyn_ftrace *rec);
| ^~~~~~~~~~
arch/parisc/kernel/smp.c:120:1: warning: no previous prototype for 'ipi_interrupt' [-Wmissing-prototypes]
120 | ipi_interrupt(int irq, void *dev_id)
| ^~~~~~~~~~~~~
arch/parisc/kernel/smp.c:311:6: warning: no previous prototype for 'smp_callin' [-Wmissing-prototypes]
311 | void smp_callin(unsigned long pdce_proc)
| ^~~~~~~~~~
--
In file included from arch/parisc/kernel/ftrace.c:14:
>> include/linux/ftrace.h:60:47: warning: 'struct dyn_ftrace' declared inside parameter list will not be visible outside of this definition or declaration
60 | struct ftrace_ops *ftrace_find_rec_ops(struct dyn_ftrace *rec);
| ^~~~~~~~~~
arch/parisc/kernel/ftrace.c:56:20: warning: no previous prototype for 'ftrace_function_trampoline' [-Wmissing-prototypes]
56 | void notrace __hot ftrace_function_trampoline(unsigned long parent,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
vim +60 include/linux/ftrace.h
39
40 #ifdef CONFIG_FUNCTION_TRACER
41 struct ftrace_ops;
42 struct ftrace_regs;
43 /*
44 * If the arch's mcount caller does not support all of ftrace's
45 * features, then it must call an indirect function that
46 * does. Or at least does enough to prevent any unwelcome side effects.
47 *
48 * Also define the function prototype that these architectures use
49 * to call the ftrace_ops_list_func().
50 */
51 #if !ARCH_SUPPORTS_FTRACE_OPS
52 # define FTRACE_FORCE_LIST_FUNC 1
53 void arch_ftrace_ops_list_func(unsigned long ip, unsigned long parent_ip);
54 #else
55 # define FTRACE_FORCE_LIST_FUNC 0
56 void arch_ftrace_ops_list_func(unsigned long ip, unsigned long parent_ip,
57 struct ftrace_ops *op, struct ftrace_regs *fregs);
58 #endif
59 extern const struct ftrace_ops ftrace_list_ops;
> 60 struct ftrace_ops *ftrace_find_rec_ops(struct dyn_ftrace *rec);
61 #endif /* CONFIG_FUNCTION_TRACER */
62
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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