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Date: Fri, 22 Apr 2022 15:38:13 +0800
From: kernel test robot <lkp@...el.com>
To: Jiri Olsa <jolsa@...nel.org>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [jolsa-perf:bpf/fixes 1/4] include/linux/kallsyms.h:108:1: error:
expected identifier or '(' before '{' token
tree: https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git bpf/fixes
head: 8662f5dbc769bcb2fa646ceaaf6f6878ef569c64
commit: 6f0f4c96dd360f51da70699617458f21f33f8cbb [1/4] fprobe: Add ftrace_lookup_symbols function
config: h8300-randconfig-r032-20220421 (https://download.01.org/0day-ci/archive/20220422/202204221518.ImffIvWW-lkp@intel.com/config)
compiler: h8300-linux-gcc (GCC) 11.2.0
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/jolsa/perf.git/commit/?id=6f0f4c96dd360f51da70699617458f21f33f8cbb
git remote add jolsa-perf https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git
git fetch --no-tags jolsa-perf bpf/fixes
git checkout 6f0f4c96dd360f51da70699617458f21f33f8cbb
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross W=1 O=build_dir ARCH=h8300 SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from include/linux/ftrace.h:13,
from include/linux/kprobes.h:28,
from include/linux/kgdb.h:19,
from include/linux/fb.h:6,
from include/drm/drm_crtc.h:31,
from include/drm/drm_atomic.h:31,
from drivers/gpu/drm/tidss/tidss_crtc.c:7:
>> include/linux/kallsyms.h:108:1: error: expected identifier or '(' before '{' token
108 | {
| ^
include/linux/kallsyms.h:107:19: warning: 'ftrace_lookup_symbols' declared 'static' but never defined [-Wunused-function]
107 | static inline int ftrace_lookup_symbols(const char **sorted_syms, size_t cnt, unsigned long *addrs);
| ^~~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/ftrace.h:13,
from include/linux/perf_event.h:51,
from include/linux/trace_events.h:10,
from include/trace/syscall.h:7,
from include/linux/syscalls.h:88,
from init/main.c:21:
>> include/linux/kallsyms.h:108:1: error: expected identifier or '(' before '{' token
108 | {
| ^
init/main.c:769:20: warning: no previous prototype for 'arch_post_acpi_subsys_init' [-Wmissing-prototypes]
769 | void __init __weak arch_post_acpi_subsys_init(void) { }
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
init/main.c:781:20: warning: no previous prototype for 'mem_encrypt_init' [-Wmissing-prototypes]
781 | void __init __weak mem_encrypt_init(void) { }
| ^~~~~~~~~~~~~~~~
init/main.c:783:20: warning: no previous prototype for 'poking_init' [-Wmissing-prototypes]
783 | void __init __weak poking_init(void) { }
| ^~~~~~~~~~~
In file included from include/linux/ftrace.h:13,
from include/linux/perf_event.h:51,
from include/linux/trace_events.h:10,
from include/trace/syscall.h:7,
from include/linux/syscalls.h:88,
from init/main.c:21:
include/linux/kallsyms.h:107:19: warning: 'ftrace_lookup_symbols' declared 'static' but never defined [-Wunused-function]
107 | static inline int ftrace_lookup_symbols(const char **sorted_syms, size_t cnt, unsigned long *addrs);
| ^~~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/ftrace.h:13,
from include/linux/perf_event.h:51,
from include/linux/trace_events.h:10,
from include/trace/syscall.h:7,
from include/linux/syscalls.h:88,
from arch/h8300/kernel/signal.c:32:
>> include/linux/kallsyms.h:108:1: error: expected identifier or '(' before '{' token
108 | {
| ^
arch/h8300/kernel/signal.c:105:16: warning: no previous prototype for 'sys_rt_sigreturn' [-Wmissing-prototypes]
105 | asmlinkage int sys_rt_sigreturn(void)
| ^~~~~~~~~~~~~~~~
arch/h8300/kernel/signal.c:280:17: warning: no previous prototype for 'do_notify_resume' [-Wmissing-prototypes]
280 | asmlinkage void do_notify_resume(struct pt_regs *regs, u32 thread_info_flags)
| ^~~~~~~~~~~~~~~~
In file included from include/linux/ftrace.h:13,
from include/linux/perf_event.h:51,
from include/linux/trace_events.h:10,
from include/trace/syscall.h:7,
from include/linux/syscalls.h:88,
from arch/h8300/kernel/signal.c:32:
include/linux/kallsyms.h:107:19: warning: 'ftrace_lookup_symbols' declared 'static' but never defined [-Wunused-function]
107 | static inline int ftrace_lookup_symbols(const char **sorted_syms, size_t cnt, unsigned long *addrs);
| ^~~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/ftrace.h:13,
from include/linux/perf_event.h:51,
from include/linux/trace_events.h:10,
from include/trace/syscall.h:7,
from include/linux/syscalls.h:88,
from kernel/fork.c:55:
>> include/linux/kallsyms.h:108:1: error: expected identifier or '(' before '{' token
108 | {
| ^
kernel/fork.c:163:13: warning: no previous prototype for 'arch_release_task_struct' [-Wmissing-prototypes]
163 | void __weak arch_release_task_struct(struct task_struct *tsk)
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/fork.c:853:20: warning: no previous prototype for 'arch_task_cache_init' [-Wmissing-prototypes]
853 | void __init __weak arch_task_cache_init(void) { }
| ^~~~~~~~~~~~~~~~~~~~
kernel/fork.c:948:12: warning: no previous prototype for 'arch_dup_task_struct' [-Wmissing-prototypes]
948 | int __weak arch_dup_task_struct(struct task_struct *dst,
| ^~~~~~~~~~~~~~~~~~~~
In file included from include/linux/ftrace.h:13,
from include/linux/perf_event.h:51,
from include/linux/trace_events.h:10,
from include/trace/syscall.h:7,
from include/linux/syscalls.h:88,
from kernel/fork.c:55:
include/linux/kallsyms.h:107:19: warning: 'ftrace_lookup_symbols' declared 'static' but never defined [-Wunused-function]
107 | static inline int ftrace_lookup_symbols(const char **sorted_syms, size_t cnt, unsigned long *addrs);
| ^~~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/ftrace.h:13,
from include/linux/kprobes.h:28,
from include/linux/kgdb.h:19,
from kernel/panic.c:15:
>> include/linux/kallsyms.h:108:1: error: expected identifier or '(' before '{' token
108 | {
| ^
kernel/panic.c:577:6: warning: no previous prototype for '__warn' [-Wmissing-prototypes]
577 | void __warn(const char *file, int line, void *caller, unsigned taint,
| ^~~~~~
kernel/panic.c: In function '__warn':
kernel/panic.c:591:17: warning: function '__warn' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
591 | vprintk(args->fmt, args->args);
| ^~~~~~~
kernel/panic.c: At top level:
kernel/panic.c:614:6: warning: no previous prototype for 'warn_slowpath_fmt' [-Wmissing-prototypes]
614 | void warn_slowpath_fmt(const char *file, int line, unsigned taint,
| ^~~~~~~~~~~~~~~~~
In file included from include/linux/ftrace.h:13,
from include/linux/kprobes.h:28,
from include/linux/kgdb.h:19,
from kernel/panic.c:15:
include/linux/kallsyms.h:107:19: warning: 'ftrace_lookup_symbols' declared 'static' but never defined [-Wunused-function]
107 | static inline int ftrace_lookup_symbols(const char **sorted_syms, size_t cnt, unsigned long *addrs);
| ^~~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/ftrace.h:13,
from include/linux/perf_event.h:51,
from include/linux/trace_events.h:10,
from include/trace/syscall.h:7,
from include/linux/syscalls.h:88,
from kernel/exit.c:42:
>> include/linux/kallsyms.h:108:1: error: expected identifier or '(' before '{' token
108 | {
| ^
kernel/exit.c:1814:13: warning: no previous prototype for 'abort' [-Wmissing-prototypes]
1814 | __weak void abort(void)
| ^~~~~
In file included from include/linux/ftrace.h:13,
from include/linux/perf_event.h:51,
from include/linux/trace_events.h:10,
from include/trace/syscall.h:7,
from include/linux/syscalls.h:88,
from kernel/exit.c:42:
include/linux/kallsyms.h:107:19: warning: 'ftrace_lookup_symbols' declared 'static' but never defined [-Wunused-function]
107 | static inline int ftrace_lookup_symbols(const char **sorted_syms, size_t cnt, unsigned long *addrs);
| ^~~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/ftrace.h:13,
from include/linux/perf_event.h:51,
from include/linux/trace_events.h:10,
from include/trace/syscall.h:7,
from include/linux/syscalls.h:88,
from kernel/audit.c:44:
>> include/linux/kallsyms.h:108:1: error: expected identifier or '(' before '{' token
108 | {
| ^
kernel/audit.c:1815:14: warning: no previous prototype for 'audit_serial' [-Wmissing-prototypes]
1815 | unsigned int audit_serial(void)
| ^~~~~~~~~~~~
kernel/audit.c: In function 'audit_log_vformat':
kernel/audit.c:1965:9: warning: function 'audit_log_vformat' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
1965 | len = vsnprintf(skb_tail_pointer(skb), avail, fmt, args);
| ^~~
kernel/audit.c:1974:17: warning: function 'audit_log_vformat' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
1974 | len = vsnprintf(skb_tail_pointer(skb), avail, fmt, args2);
| ^~~
In file included from include/linux/ftrace.h:13,
from include/linux/perf_event.h:51,
from include/linux/trace_events.h:10,
from include/trace/syscall.h:7,
from include/linux/syscalls.h:88,
from kernel/audit.c:44:
kernel/audit.c: At top level:
include/linux/kallsyms.h:107:19: warning: 'ftrace_lookup_symbols' declared 'static' but never defined [-Wunused-function]
107 | static inline int ftrace_lookup_symbols(const char **sorted_syms, size_t cnt, unsigned long *addrs);
| ^~~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/ftrace.h:13,
from include/linux/perf_event.h:51,
from include/linux/trace_events.h:10,
from include/trace/syscall.h:7,
from include/linux/syscalls.h:88,
from mm/nommu.c:35:
>> include/linux/kallsyms.h:108:1: error: expected identifier or '(' before '{' token
108 | {
| ^
In file included from arch/h8300/include/asm/page.h:5,
from arch/h8300/include/asm/thread_info.h:12,
from include/linux/thread_info.h:60,
from include/asm-generic/preempt.h:5,
from ./arch/h8300/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:78,
from include/linux/spinlock.h:55,
from include/linux/mmzone.h:8,
from include/linux/gfp.h:6,
from include/linux/mm.h:7,
from mm/nommu.c:20:
mm/nommu.c: In function 'kobjsize':
include/asm-generic/page.h:89:51: warning: ordered comparison of pointer with null pointer [-Wextra]
89 | #define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
| ^~
mm/nommu.c:80:23: note: in expansion of macro 'virt_addr_valid'
80 | if (!objp || !virt_addr_valid(objp))
| ^~~~~~~~~~~~~~~
In file included from include/linux/ftrace.h:13,
from include/linux/perf_event.h:51,
from include/linux/trace_events.h:10,
from include/trace/syscall.h:7,
from include/linux/syscalls.h:88,
from mm/nommu.c:35:
mm/nommu.c: At top level:
include/linux/kallsyms.h:107:19: warning: 'ftrace_lookup_symbols' declared 'static' but never defined [-Wunused-function]
107 | static inline int ftrace_lookup_symbols(const char **sorted_syms, size_t cnt, unsigned long *addrs);
| ^~~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/ftrace.h:13,
from mm/page_alloc.c:70:
>> include/linux/kallsyms.h:108:1: error: expected identifier or '(' before '{' token
108 | {
| ^
In file included from include/linux/bits.h:22,
from include/linux/ratelimit_types.h:5,
from include/linux/printk.h:10,
from include/asm-generic/bug.h:22,
from arch/h8300/include/asm/bug.h:8,
from include/linux/bug.h:5,
from include/linux/mmdebug.h:5,
from include/linux/mm.h:6,
from mm/page_alloc.c:19:
mm/page_alloc.c: In function 'free_pages':
include/asm-generic/page.h:89:51: warning: ordered comparison of pointer with null pointer [-Wextra]
89 | #define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
| ^~
include/linux/build_bug.h:30:63: note: in definition of macro 'BUILD_BUG_ON_INVALID'
30 | #define BUILD_BUG_ON_INVALID(e) ((void)(sizeof((__force long)(e))))
| ^
mm/page_alloc.c:5503:17: note: in expansion of macro 'VM_BUG_ON'
5503 | VM_BUG_ON(!virt_addr_valid((void *)addr));
| ^~~~~~~~~
mm/page_alloc.c:5503:28: note: in expansion of macro 'virt_addr_valid'
5503 | VM_BUG_ON(!virt_addr_valid((void *)addr));
| ^~~~~~~~~~~~~~~
In file included from include/linux/ftrace.h:13,
from mm/page_alloc.c:70:
mm/page_alloc.c: At top level:
include/linux/kallsyms.h:107:19: warning: 'ftrace_lookup_symbols' declared 'static' but never defined [-Wunused-function]
107 | static inline int ftrace_lookup_symbols(const char **sorted_syms, size_t cnt, unsigned long *addrs);
| ^~~~~~~~~~~~~~~~~~~~~
--
In file included from mm/slab.c:102:
>> include/linux/kallsyms.h:108:1: error: expected identifier or '(' before '{' token
108 | {
| ^
In file included from arch/h8300/include/asm/page.h:5,
from arch/h8300/include/asm/thread_info.h:12,
from include/linux/thread_info.h:60,
from include/asm-generic/preempt.h:5,
from ./arch/h8300/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:78,
from include/linux/spinlock.h:55,
from include/linux/mmzone.h:8,
from include/linux/gfp.h:6,
from include/linux/slab.h:15,
from mm/slab.c:90:
mm/slab.c: In function 'kfree_debugcheck':
include/asm-generic/page.h:89:51: warning: ordered comparison of pointer with null pointer [-Wextra]
89 | #define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
| ^~
mm/slab.c:2670:14: note: in expansion of macro 'virt_addr_valid'
2670 | if (!virt_addr_valid(objp)) {
| ^~~~~~~~~~~~~~~
In file included from mm/slab.c:102:
mm/slab.c: At top level:
include/linux/kallsyms.h:107:19: warning: 'ftrace_lookup_symbols' declared 'static' but never defined [-Wunused-function]
107 | static inline int ftrace_lookup_symbols(const char **sorted_syms, size_t cnt, unsigned long *addrs);
| ^~~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/ftrace.h:13,
from include/linux/perf_event.h:51,
from include/linux/trace_events.h:10,
from include/trace/syscall.h:7,
from include/linux/syscalls.h:88,
from fs/d_path.c:2:
>> include/linux/kallsyms.h:108:1: error: expected identifier or '(' before '{' token
108 | {
| ^
fs/d_path.c:318:7: warning: no previous prototype for 'simple_dname' [-Wmissing-prototypes]
318 | char *simple_dname(struct dentry *dentry, char *buffer, int buflen)
| ^~~~~~~~~~~~
In file included from include/linux/ftrace.h:13,
from include/linux/perf_event.h:51,
from include/linux/trace_events.h:10,
from include/trace/syscall.h:7,
from include/linux/syscalls.h:88,
from fs/d_path.c:2:
include/linux/kallsyms.h:107:19: warning: 'ftrace_lookup_symbols' declared 'static' but never defined [-Wunused-function]
107 | static inline int ftrace_lookup_symbols(const char **sorted_syms, size_t cnt, unsigned long *addrs);
| ^~~~~~~~~~~~~~~~~~~~~
..
vim +108 include/linux/kallsyms.h
106
107 static inline int ftrace_lookup_symbols(const char **sorted_syms, size_t cnt, unsigned long *addrs);
> 108 {
109 return -ERANGE;
110 }
111
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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