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Date: Fri, 5 Nov 2021 12:36:55 +0800
From: kernel test robot <lkp@...el.com>
To: André Almeida <andrealmeid@...labora.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous
prototype for '__arm64_sys_futex_waitv'
Hi André,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: d4439a1189f93d0ac1eaf0197db8e6b3e197d5c7
commit: bf69bad38cf63d980e8a603f8d1bd1f85b5ed3d9 futex: Implement sys_futex_waitv()
date: 4 weeks ago
config: arm64-buildonly-randconfig-r006-20211104 (attached as .config)
compiler: aarch64-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/torvalds/linux.git/commit/?id=bf69bad38cf63d980e8a603f8d1bd1f85b5ed3d9
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout bf69bad38cf63d980e8a603f8d1bd1f85b5ed3d9
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arm64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
| ^~~~~~~~~~~~
kernel/sys_ni.c:113:1: note: in expansion of macro 'COND_SYSCALL'
113 | COND_SYSCALL(signalfd4);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:41:32: warning: no previous prototype for '__arm64_compat_sys_signalfd4' [-Wmissing-prototypes]
41 | asmlinkage long __weak __arm64_compat_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~~~~~~~~
kernel/sys_ni.c:114:1: note: in expansion of macro 'COND_SYSCALL_COMPAT'
114 | COND_SYSCALL_COMPAT(signalfd4);
| ^~~~~~~~~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_timerfd_create' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:123:1: note: in expansion of macro 'COND_SYSCALL'
123 | COND_SYSCALL(timerfd_create);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_timerfd_settime' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:124:1: note: in expansion of macro 'COND_SYSCALL'
124 | COND_SYSCALL(timerfd_settime);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_timerfd_settime32' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:125:1: note: in expansion of macro 'COND_SYSCALL'
125 | COND_SYSCALL(timerfd_settime32);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_timerfd_gettime' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:126:1: note: in expansion of macro 'COND_SYSCALL'
126 | COND_SYSCALL(timerfd_gettime);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_timerfd_gettime32' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:127:1: note: in expansion of macro 'COND_SYSCALL'
127 | COND_SYSCALL(timerfd_gettime32);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_acct' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:132:1: note: in expansion of macro 'COND_SYSCALL'
132 | COND_SYSCALL(acct);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_capget' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:135:1: note: in expansion of macro 'COND_SYSCALL'
135 | COND_SYSCALL(capget);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_capset' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:136:1: note: in expansion of macro 'COND_SYSCALL'
136 | COND_SYSCALL(capset);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_clone3' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:144:1: note: in expansion of macro 'COND_SYSCALL'
144 | COND_SYSCALL(clone3);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_futex' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:147:1: note: in expansion of macro 'COND_SYSCALL'
147 | COND_SYSCALL(futex);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_futex_time32' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:148:1: note: in expansion of macro 'COND_SYSCALL'
148 | COND_SYSCALL(futex_time32);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_set_robust_list' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:149:1: note: in expansion of macro 'COND_SYSCALL'
149 | COND_SYSCALL(set_robust_list);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:41:32: warning: no previous prototype for '__arm64_compat_sys_set_robust_list' [-Wmissing-prototypes]
41 | asmlinkage long __weak __arm64_compat_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~~~~~~~~
kernel/sys_ni.c:150:1: note: in expansion of macro 'COND_SYSCALL_COMPAT'
150 | COND_SYSCALL_COMPAT(set_robust_list);
| ^~~~~~~~~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_get_robust_list' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:151:1: note: in expansion of macro 'COND_SYSCALL'
151 | COND_SYSCALL(get_robust_list);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:41:32: warning: no previous prototype for '__arm64_compat_sys_get_robust_list' [-Wmissing-prototypes]
41 | asmlinkage long __weak __arm64_compat_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~~~~~~~~
kernel/sys_ni.c:152:1: note: in expansion of macro 'COND_SYSCALL_COMPAT'
152 | COND_SYSCALL_COMPAT(get_robust_list);
| ^~~~~~~~~~~~~~~~~~~
>> arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_futex_waitv' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:153:1: note: in expansion of macro 'COND_SYSCALL'
153 | COND_SYSCALL(futex_waitv);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_kexec_load' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:160:1: note: in expansion of macro 'COND_SYSCALL'
160 | COND_SYSCALL(kexec_load);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:41:32: warning: no previous prototype for '__arm64_compat_sys_kexec_load' [-Wmissing-prototypes]
41 | asmlinkage long __weak __arm64_compat_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~~~~~~~~
kernel/sys_ni.c:161:1: note: in expansion of macro 'COND_SYSCALL_COMPAT'
161 | COND_SYSCALL_COMPAT(kexec_load);
| ^~~~~~~~~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_init_module' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:164:1: note: in expansion of macro 'COND_SYSCALL'
164 | COND_SYSCALL(init_module);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_delete_module' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:165:1: note: in expansion of macro 'COND_SYSCALL'
165 | COND_SYSCALL(delete_module);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_syslog' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:170:1: note: in expansion of macro 'COND_SYSCALL'
170 | COND_SYSCALL(syslog);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_setregid' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:177:1: note: in expansion of macro 'COND_SYSCALL'
177 | COND_SYSCALL(setregid);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_setgid' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:178:1: note: in expansion of macro 'COND_SYSCALL'
178 | COND_SYSCALL(setgid);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_setreuid' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:179:1: note: in expansion of macro 'COND_SYSCALL'
179 | COND_SYSCALL(setreuid);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_setuid' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:180:1: note: in expansion of macro 'COND_SYSCALL'
180 | COND_SYSCALL(setuid);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_setresuid' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:181:1: note: in expansion of macro 'COND_SYSCALL'
181 | COND_SYSCALL(setresuid);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_getresuid' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:182:1: note: in expansion of macro 'COND_SYSCALL'
182 | COND_SYSCALL(getresuid);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_setresgid' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:183:1: note: in expansion of macro 'COND_SYSCALL'
183 | COND_SYSCALL(setresgid);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_getresgid' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:184:1: note: in expansion of macro 'COND_SYSCALL'
184 | COND_SYSCALL(getresgid);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_setfsuid' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:185:1: note: in expansion of macro 'COND_SYSCALL'
185 | COND_SYSCALL(setfsuid);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_setfsgid' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:186:1: note: in expansion of macro 'COND_SYSCALL'
186 | COND_SYSCALL(setfsgid);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_setgroups' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:187:1: note: in expansion of macro 'COND_SYSCALL'
187 | COND_SYSCALL(setgroups);
vim +/__arm64_sys_futex_waitv +76 arch/arm64/include/asm/syscall_wrapper.h
4378a7d4be30ec Mark Rutland 2018-07-11 50
4378a7d4be30ec Mark Rutland 2018-07-11 51 #define __SYSCALL_DEFINEx(x, name, ...) \
4378a7d4be30ec Mark Rutland 2018-07-11 52 asmlinkage long __arm64_sys##name(const struct pt_regs *regs); \
4378a7d4be30ec Mark Rutland 2018-07-11 53 ALLOW_ERROR_INJECTION(__arm64_sys##name, ERRNO); \
4378a7d4be30ec Mark Rutland 2018-07-11 54 static long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
4378a7d4be30ec Mark Rutland 2018-07-11 55 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \
4378a7d4be30ec Mark Rutland 2018-07-11 56 asmlinkage long __arm64_sys##name(const struct pt_regs *regs) \
4378a7d4be30ec Mark Rutland 2018-07-11 57 { \
4378a7d4be30ec Mark Rutland 2018-07-11 58 return __se_sys##name(SC_ARM64_REGS_TO_ARGS(x,__VA_ARGS__)); \
4378a7d4be30ec Mark Rutland 2018-07-11 59 } \
4378a7d4be30ec Mark Rutland 2018-07-11 60 static long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
4378a7d4be30ec Mark Rutland 2018-07-11 61 { \
4378a7d4be30ec Mark Rutland 2018-07-11 62 long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__)); \
4378a7d4be30ec Mark Rutland 2018-07-11 63 __MAP(x,__SC_TEST,__VA_ARGS__); \
4378a7d4be30ec Mark Rutland 2018-07-11 64 __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \
4378a7d4be30ec Mark Rutland 2018-07-11 65 return ret; \
4378a7d4be30ec Mark Rutland 2018-07-11 66 } \
4378a7d4be30ec Mark Rutland 2018-07-11 67 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
4378a7d4be30ec Mark Rutland 2018-07-11 68
4378a7d4be30ec Mark Rutland 2018-07-11 69 #define SYSCALL_DEFINE0(sname) \
4378a7d4be30ec Mark Rutland 2018-07-11 70 SYSCALL_METADATA(_##sname, 0); \
0e358bd7b7ebd2 Sami Tolvanen 2019-05-24 71 asmlinkage long __arm64_sys_##sname(const struct pt_regs *__unused); \
4378a7d4be30ec Mark Rutland 2018-07-11 72 ALLOW_ERROR_INJECTION(__arm64_sys_##sname, ERRNO); \
0e358bd7b7ebd2 Sami Tolvanen 2019-05-24 73 asmlinkage long __arm64_sys_##sname(const struct pt_regs *__unused)
4378a7d4be30ec Mark Rutland 2018-07-11 74
c27eccfe4d6c74 Sami Tolvanen 2019-09-10 75 #define COND_SYSCALL(name) \
c27eccfe4d6c74 Sami Tolvanen 2019-09-10 @76 asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
c27eccfe4d6c74 Sami Tolvanen 2019-09-10 77 { \
c27eccfe4d6c74 Sami Tolvanen 2019-09-10 78 return sys_ni_syscall(); \
c27eccfe4d6c74 Sami Tolvanen 2019-09-10 79 }
4378a7d4be30ec Mark Rutland 2018-07-11 80
:::::: The code at line 76 was first introduced by commit
:::::: c27eccfe4d6c7481ce99f1c433ca043ab464080a arm64: fix function types in COND_SYSCALL
:::::: TO: Sami Tolvanen <samitolvanen@...gle.com>
:::::: CC: Will Deacon <will@...nel.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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