tree: https://android.googlesource.com/kernel/common android-4.19-stable head: 45c480b553c90178bf1cc30fd9054c75a31bf599 commit: 5625445e6e8452f7125be155dd2f087230078ae0 [20830/24059] ANDROID: syscalls/x86: use a weak function for IA32 compat syscalls config: x86_64-randconfig-a002-20210929 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): git remote add android-common https://android.googlesource.com/kernel/common git fetch --no-tags android-common android-4.19-stable git checkout 5625445e6e8452f7125be155dd2f087230078ae0 # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from kernel/sys_ni.c:10: arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_io_setup' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:39:1: note: in expansion of macro 'COND_SYSCALL' 39 | COND_SYSCALL(io_setup); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:123:25: warning: no previous prototype for '__ia32_compat_sys_io_setup' [-Wmissing-prototypes] 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:40:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 40 | COND_SYSCALL_COMPAT(io_setup); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_io_destroy' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:41:1: note: in expansion of macro 'COND_SYSCALL' 41 | COND_SYSCALL(io_destroy); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_io_submit' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:42:1: note: in expansion of macro 'COND_SYSCALL' 42 | COND_SYSCALL(io_submit); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:123:25: warning: no previous prototype for '__ia32_compat_sys_io_submit' [-Wmissing-prototypes] 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:43:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 43 | COND_SYSCALL_COMPAT(io_submit); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_io_cancel' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:44:1: note: in expansion of macro 'COND_SYSCALL' 44 | COND_SYSCALL(io_cancel); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_io_getevents' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:45:1: note: in expansion of macro 'COND_SYSCALL' 45 | COND_SYSCALL(io_getevents); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_io_pgetevents' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:46:1: note: in expansion of macro 'COND_SYSCALL' 46 | COND_SYSCALL(io_pgetevents); | ^~~~~~~~~~~~ 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:47:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 47 | COND_SYSCALL_COMPAT(io_getevents); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:123:25: warning: no previous prototype for '__ia32_compat_sys_io_pgetevents' [-Wmissing-prototypes] 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:48:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 48 | COND_SYSCALL_COMPAT(io_pgetevents); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_lookup_dcookie' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:55:1: note: in expansion of macro 'COND_SYSCALL' 55 | COND_SYSCALL(lookup_dcookie); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:123:25: warning: no previous prototype for '__ia32_compat_sys_lookup_dcookie' [-Wmissing-prototypes] 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:56:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 56 | COND_SYSCALL_COMPAT(lookup_dcookie); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_eventfd2' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:59:1: note: in expansion of macro 'COND_SYSCALL' 59 | COND_SYSCALL(eventfd2); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_epoll_create1' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:62:1: note: in expansion of macro 'COND_SYSCALL' 62 | COND_SYSCALL(epoll_create1); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_epoll_ctl' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:63:1: note: in expansion of macro 'COND_SYSCALL' 63 | COND_SYSCALL(epoll_ctl); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_epoll_pwait' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:64:1: note: in expansion of macro 'COND_SYSCALL' 64 | COND_SYSCALL(epoll_pwait); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:123:25: warning: no previous prototype for '__ia32_compat_sys_epoll_pwait' [-Wmissing-prototypes] 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:65:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 65 | COND_SYSCALL_COMPAT(epoll_pwait); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_inotify_init1' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:70:1: note: in expansion of macro 'COND_SYSCALL' 70 | COND_SYSCALL(inotify_init1); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_inotify_add_watch' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:71:1: note: in expansion of macro 'COND_SYSCALL' 71 | COND_SYSCALL(inotify_add_watch); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_inotify_rm_watch' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:72:1: note: in expansion of macro 'COND_SYSCALL' 72 | COND_SYSCALL(inotify_rm_watch); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_ioprio_set' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:77:1: note: in expansion of macro 'COND_SYSCALL' 77 | COND_SYSCALL(ioprio_set); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_ioprio_get' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:78:1: note: in expansion of macro 'COND_SYSCALL' 78 | COND_SYSCALL(ioprio_get); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_flock' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:81:1: note: in expansion of macro 'COND_SYSCALL' 81 | COND_SYSCALL(flock); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_quotactl' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:94:1: note: in expansion of macro 'COND_SYSCALL' 94 | COND_SYSCALL(quotactl); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_signalfd4' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:105:1: note: in expansion of macro 'COND_SYSCALL' 105 | COND_SYSCALL(signalfd4); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:123:25: warning: no previous prototype for '__ia32_compat_sys_signalfd4' [-Wmissing-prototypes] 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:106:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 106 | COND_SYSCALL_COMPAT(signalfd4); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_timerfd_create' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:115:1: note: in expansion of macro 'COND_SYSCALL' 115 | COND_SYSCALL(timerfd_create); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_timerfd_settime' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:116:1: note: in expansion of macro 'COND_SYSCALL' 116 | COND_SYSCALL(timerfd_settime); | ^~~~~~~~~~~~ 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:117:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 117 | COND_SYSCALL_COMPAT(timerfd_settime); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_timerfd_gettime' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:118:1: note: in expansion of macro 'COND_SYSCALL' 118 | COND_SYSCALL(timerfd_gettime); | ^~~~~~~~~~~~ 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:119:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 119 | COND_SYSCALL_COMPAT(timerfd_gettime); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_acct' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:124:1: note: in expansion of macro 'COND_SYSCALL' 124 | COND_SYSCALL(acct); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_capget' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:127:1: note: in expansion of macro 'COND_SYSCALL' 127 | COND_SYSCALL(capget); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_capset' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:128:1: note: in expansion of macro 'COND_SYSCALL' 128 | COND_SYSCALL(capset); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_futex' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:137:1: note: in expansion of macro 'COND_SYSCALL' 137 | COND_SYSCALL(futex); | ^~~~~~~~~~~~ 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:138:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 138 | COND_SYSCALL_COMPAT(futex); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_set_robust_list' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:139:1: note: in expansion of macro 'COND_SYSCALL' 139 | COND_SYSCALL(set_robust_list); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:123:25: warning: no previous prototype for '__ia32_compat_sys_set_robust_list' [-Wmissing-prototypes] 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:140:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 140 | COND_SYSCALL_COMPAT(set_robust_list); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_get_robust_list' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:141:1: note: in expansion of macro 'COND_SYSCALL' 141 | COND_SYSCALL(get_robust_list); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:123:25: warning: no previous prototype for '__ia32_compat_sys_get_robust_list' [-Wmissing-prototypes] 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:142:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 142 | COND_SYSCALL_COMPAT(get_robust_list); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_kexec_load' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:149:1: note: in expansion of macro 'COND_SYSCALL' 149 | COND_SYSCALL(kexec_load); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:123:25: warning: no previous prototype for '__ia32_compat_sys_kexec_load' [-Wmissing-prototypes] 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:150:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 150 | COND_SYSCALL_COMPAT(kexec_load); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_init_module' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:153:1: note: in expansion of macro 'COND_SYSCALL' 153 | COND_SYSCALL(init_module); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_delete_module' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:154:1: note: in expansion of macro 'COND_SYSCALL' 154 | COND_SYSCALL(delete_module); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_syslog' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:159:1: note: in expansion of macro 'COND_SYSCALL' 159 | COND_SYSCALL(syslog); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_setregid' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:166:1: note: in expansion of macro 'COND_SYSCALL' 166 | COND_SYSCALL(setregid); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_setgid' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:167:1: note: in expansion of macro 'COND_SYSCALL' 167 | COND_SYSCALL(setgid); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_setreuid' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:168:1: note: in expansion of macro 'COND_SYSCALL' 168 | COND_SYSCALL(setreuid); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_setuid' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:169:1: note: in expansion of macro 'COND_SYSCALL' 169 | COND_SYSCALL(setuid); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_setresuid' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:170:1: note: in expansion of macro 'COND_SYSCALL' 170 | COND_SYSCALL(setresuid); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_getresuid' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:171:1: note: in expansion of macro 'COND_SYSCALL' 171 | COND_SYSCALL(getresuid); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_setresgid' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:172:1: note: in expansion of macro 'COND_SYSCALL' 172 | COND_SYSCALL(setresgid); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_getresgid' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:173:1: note: in expansion of macro 'COND_SYSCALL' 173 | COND_SYSCALL(getresgid); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_setfsuid' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:174:1: note: in expansion of macro 'COND_SYSCALL' 174 | COND_SYSCALL(setfsuid); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_setfsgid' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:175:1: note: in expansion of macro 'COND_SYSCALL' 175 | COND_SYSCALL(setfsgid); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_setgroups' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:176:1: note: in expansion of macro 'COND_SYSCALL' 176 | COND_SYSCALL(setgroups); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_getgroups' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:177:1: note: in expansion of macro 'COND_SYSCALL' 177 | COND_SYSCALL(getgroups); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_mq_open' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:184:1: note: in expansion of macro 'COND_SYSCALL' 184 | COND_SYSCALL(mq_open); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:123:25: warning: no previous prototype for '__ia32_compat_sys_mq_open' [-Wmissing-prototypes] 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:185:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 185 | COND_SYSCALL_COMPAT(mq_open); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_mq_unlink' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:186:1: note: in expansion of macro 'COND_SYSCALL' 186 | COND_SYSCALL(mq_unlink); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_mq_timedsend' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:187:1: note: in expansion of macro 'COND_SYSCALL' 187 | COND_SYSCALL(mq_timedsend); | ^~~~~~~~~~~~ 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:188:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 188 | COND_SYSCALL_COMPAT(mq_timedsend); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_mq_timedreceive' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:189:1: note: in expansion of macro 'COND_SYSCALL' 189 | COND_SYSCALL(mq_timedreceive); | ^~~~~~~~~~~~ 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:190:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 190 | COND_SYSCALL_COMPAT(mq_timedreceive); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_mq_notify' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:191:1: note: in expansion of macro 'COND_SYSCALL' 191 | COND_SYSCALL(mq_notify); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:123:25: warning: no previous prototype for '__ia32_compat_sys_mq_notify' [-Wmissing-prototypes] 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:192:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 192 | COND_SYSCALL_COMPAT(mq_notify); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_mq_getsetattr' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:193:1: note: in expansion of macro 'COND_SYSCALL' 193 | COND_SYSCALL(mq_getsetattr); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:123:25: warning: no previous prototype for '__ia32_compat_sys_mq_getsetattr' [-Wmissing-prototypes] 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:194:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 194 | COND_SYSCALL_COMPAT(mq_getsetattr); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_msgget' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:197:1: note: in expansion of macro 'COND_SYSCALL' 197 | COND_SYSCALL(msgget); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_msgctl' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:198:1: note: in expansion of macro 'COND_SYSCALL' 198 | COND_SYSCALL(msgctl); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:123:25: warning: no previous prototype for '__ia32_compat_sys_msgctl' [-Wmissing-prototypes] 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:199:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 199 | COND_SYSCALL_COMPAT(msgctl); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_msgrcv' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:200:1: note: in expansion of macro 'COND_SYSCALL' 200 | COND_SYSCALL(msgrcv); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:123:25: warning: no previous prototype for '__ia32_compat_sys_msgrcv' [-Wmissing-prototypes] 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:201:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 201 | COND_SYSCALL_COMPAT(msgrcv); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_msgsnd' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:202:1: note: in expansion of macro 'COND_SYSCALL' 202 | COND_SYSCALL(msgsnd); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:123:25: warning: no previous prototype for '__ia32_compat_sys_msgsnd' [-Wmissing-prototypes] 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:203:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 203 | COND_SYSCALL_COMPAT(msgsnd); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_semget' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:206:1: note: in expansion of macro 'COND_SYSCALL' 206 | COND_SYSCALL(semget); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_semctl' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:207:1: note: in expansion of macro 'COND_SYSCALL' 207 | COND_SYSCALL(semctl); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:123:25: warning: no previous prototype for '__ia32_compat_sys_semctl' [-Wmissing-prototypes] 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:208:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 208 | COND_SYSCALL_COMPAT(semctl); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_semtimedop' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:209:1: note: in expansion of macro 'COND_SYSCALL' 209 | COND_SYSCALL(semtimedop); | ^~~~~~~~~~~~ 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:210:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 210 | COND_SYSCALL_COMPAT(semtimedop); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_semop' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:211:1: note: in expansion of macro 'COND_SYSCALL' 211 | COND_SYSCALL(semop); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_shmget' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:214:1: note: in expansion of macro 'COND_SYSCALL' 214 | COND_SYSCALL(shmget); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_shmctl' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:215:1: note: in expansion of macro 'COND_SYSCALL' 215 | COND_SYSCALL(shmctl); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:123:25: warning: no previous prototype for '__ia32_compat_sys_shmctl' [-Wmissing-prototypes] 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:216:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 216 | COND_SYSCALL_COMPAT(shmctl); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_shmat' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:217:1: note: in expansion of macro 'COND_SYSCALL' 217 | COND_SYSCALL(shmat); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:123:25: warning: no previous prototype for '__ia32_compat_sys_shmat' [-Wmissing-prototypes] 123 | asmlinkage __weak long __ia32_compat_sys_##name( \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:218:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 218 | COND_SYSCALL_COMPAT(shmat); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_shmdt' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:219:1: note: in expansion of macro 'COND_SYSCALL' 219 | COND_SYSCALL(shmdt); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_socket' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:222:1: note: in expansion of macro 'COND_SYSCALL' 222 | COND_SYSCALL(socket); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_socketpair' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:223:1: note: in expansion of macro 'COND_SYSCALL' 223 | COND_SYSCALL(socketpair); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_bind' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:224:1: note: in expansion of macro 'COND_SYSCALL' 224 | COND_SYSCALL(bind); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_listen' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:225:1: note: in expansion of macro 'COND_SYSCALL' 225 | COND_SYSCALL(listen); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_accept' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:226:1: note: in expansion of macro 'COND_SYSCALL' 226 | COND_SYSCALL(accept); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_connect' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:227:1: note: in expansion of macro 'COND_SYSCALL' 227 | COND_SYSCALL(connect); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_getsockname' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:228:1: note: in expansion of macro 'COND_SYSCALL' 228 | COND_SYSCALL(getsockname); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_getpeername' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:229:1: note: in expansion of macro 'COND_SYSCALL' 229 | COND_SYSCALL(getpeername); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:206:25: warning: no previous prototype for '__x64_sys_setsockopt' [-Wmissing-prototypes] 206 | asmlinkage __weak long __x64_sys_##name(const struct pt_regs *__unused) \ | ^~~~~~~~~~ kernel/sys_ni.c:230:1: note: in expansion of macro 'COND_SYSCALL' 230 | COND_SYSCALL(setsockopt); .. vim +/__ia32_compat_sys_io_getevents +123 arch/x86/include/asm/syscall_wrapper.h 98 99 100 #ifdef CONFIG_COMPAT 101 /* 102 * Compat means IA32_EMULATION and/or X86_X32. As they use a different 103 * mapping of registers to parameters, we need to generate stubs for each 104 * of them. 105 */ 106 #define COMPAT_SYSCALL_DEFINEx(x, name, ...) \ 107 static long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \ 108 static inline long __do_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\ 109 __IA32_COMPAT_SYS_STUBx(x, name, __VA_ARGS__) \ 110 __X32_COMPAT_SYS_STUBx(x, name, __VA_ARGS__) \ 111 static long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \ 112 { \ 113 return __do_compat_sys##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__));\ 114 } \ 115 static inline long __do_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) 116 117 /* 118 * As some compat syscalls may not be implemented, we need to expand 119 * COND_SYSCALL_COMPAT in kernel/sys_ni.c and COMPAT_SYS_NI in 120 * kernel/time/posix-stubs.c to cover this case as well. 121 */ 122 #define COND_SYSCALL_COMPAT(name) \ 124 const struct pt_regs *__unused) \ 125 { \ 126 return sys_ni_syscall(); \ 127 } \ 128 cond_syscall(__x32_compat_sys_##name) 129 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org