tree: https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git testing5 head: 4096884562ee16421152cf2a7e2f434f31d52ccd commit: 8b79bd8cbf1eb345dfeefad54815d72a0ba40d31 [3/40] x86: map __SYSCALL_X32 to __x64_compat_* symbols config: x86_64-randconfig-r025-20210126 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git/commit/?id=8b79bd8cbf1eb345dfeefad54815d72a0ba40d31 git remote add kbuild https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git git fetch --no-tags kbuild testing5 git checkout 8b79bd8cbf1eb345dfeefad54815d72a0ba40d31 # 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@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from kernel/sys_ni.c:10: arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_io_setup' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ 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:83:14: warning: no previous prototype for '__ia32_sys_io_setup' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ 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:83:14: warning: no previous prototype for '__ia32_compat_sys_io_setup' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:148:2: note: in expansion of macro '__COND_SYSCALL' 148 | __COND_SYSCALL(ia32, compat_sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:218:2: note: in expansion of macro '__IA32_COMPAT_COND_SYSCALL' 218 | __IA32_COMPAT_COND_SYSCALL(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:83:14: warning: no previous prototype for '__x64_compat_sys_io_setup' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:175:2: note: in expansion of macro '__COND_SYSCALL' 175 | __COND_SYSCALL(x64, compat_sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:219:2: note: in expansion of macro '__X32_COMPAT_COND_SYSCALL' 219 | __X32_COMPAT_COND_SYSCALL(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:83:14: warning: no previous prototype for '__x64_sys_io_destroy' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ 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:83:14: warning: no previous prototype for '__ia32_sys_io_destroy' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ 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:83:14: warning: no previous prototype for '__x64_sys_io_submit' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ 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:83:14: warning: no previous prototype for '__ia32_sys_io_submit' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ 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:83:14: warning: no previous prototype for '__ia32_compat_sys_io_submit' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:148:2: note: in expansion of macro '__COND_SYSCALL' 148 | __COND_SYSCALL(ia32, compat_sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:218:2: note: in expansion of macro '__IA32_COMPAT_COND_SYSCALL' 218 | __IA32_COMPAT_COND_SYSCALL(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:83:14: warning: no previous prototype for '__x64_compat_sys_io_submit' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:175:2: note: in expansion of macro '__COND_SYSCALL' 175 | __COND_SYSCALL(x64, compat_sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:219:2: note: in expansion of macro '__X32_COMPAT_COND_SYSCALL' 219 | __X32_COMPAT_COND_SYSCALL(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:83:14: warning: no previous prototype for '__x64_sys_io_cancel' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ 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:83:14: warning: no previous prototype for '__ia32_sys_io_cancel' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ 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:83:14: warning: no previous prototype for '__x64_sys_io_getevents_time32' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:45:1: note: in expansion of macro 'COND_SYSCALL' 45 | COND_SYSCALL(io_getevents_time32); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_sys_io_getevents_time32' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:45:1: note: in expansion of macro 'COND_SYSCALL' 45 | COND_SYSCALL(io_getevents_time32); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_io_getevents' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:46:1: note: in expansion of macro 'COND_SYSCALL' 46 | COND_SYSCALL(io_getevents); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_sys_io_getevents' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:46:1: note: in expansion of macro 'COND_SYSCALL' 46 | COND_SYSCALL(io_getevents); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_io_pgetevents_time32' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:47:1: note: in expansion of macro 'COND_SYSCALL' 47 | COND_SYSCALL(io_pgetevents_time32); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_sys_io_pgetevents_time32' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:47:1: note: in expansion of macro 'COND_SYSCALL' 47 | COND_SYSCALL(io_pgetevents_time32); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_io_pgetevents' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:48:1: note: in expansion of macro 'COND_SYSCALL' 48 | COND_SYSCALL(io_pgetevents); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_sys_io_pgetevents' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:48:1: note: in expansion of macro 'COND_SYSCALL' 48 | COND_SYSCALL(io_pgetevents); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_compat_sys_io_pgetevents_time32' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:148:2: note: in expansion of macro '__COND_SYSCALL' 148 | __COND_SYSCALL(ia32, compat_sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:218:2: note: in expansion of macro '__IA32_COMPAT_COND_SYSCALL' 218 | __IA32_COMPAT_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:49:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 49 | COND_SYSCALL_COMPAT(io_pgetevents_time32); | ^~~~~~~~~~~~~~~~~~~ >> arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_compat_sys_io_pgetevents_time32' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:175:2: note: in expansion of macro '__COND_SYSCALL' 175 | __COND_SYSCALL(x64, compat_sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:219:2: note: in expansion of macro '__X32_COMPAT_COND_SYSCALL' 219 | __X32_COMPAT_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:49:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 49 | COND_SYSCALL_COMPAT(io_pgetevents_time32); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_compat_sys_io_pgetevents' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:148:2: note: in expansion of macro '__COND_SYSCALL' 148 | __COND_SYSCALL(ia32, compat_sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:218:2: note: in expansion of macro '__IA32_COMPAT_COND_SYSCALL' 218 | __IA32_COMPAT_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:50:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 50 | COND_SYSCALL_COMPAT(io_pgetevents); | ^~~~~~~~~~~~~~~~~~~ >> arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_compat_sys_io_pgetevents' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:175:2: note: in expansion of macro '__COND_SYSCALL' 175 | __COND_SYSCALL(x64, compat_sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:219:2: note: in expansion of macro '__X32_COMPAT_COND_SYSCALL' 219 | __X32_COMPAT_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:50:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 50 | COND_SYSCALL_COMPAT(io_pgetevents); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_io_uring_setup' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:51:1: note: in expansion of macro 'COND_SYSCALL' 51 | COND_SYSCALL(io_uring_setup); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_sys_io_uring_setup' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:51:1: note: in expansion of macro 'COND_SYSCALL' 51 | COND_SYSCALL(io_uring_setup); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_io_uring_enter' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:52:1: note: in expansion of macro 'COND_SYSCALL' 52 | COND_SYSCALL(io_uring_enter); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_sys_io_uring_enter' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:52:1: note: in expansion of macro 'COND_SYSCALL' 52 | COND_SYSCALL(io_uring_enter); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_io_uring_register' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:53:1: note: in expansion of macro 'COND_SYSCALL' 53 | COND_SYSCALL(io_uring_register); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_sys_io_uring_register' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:53:1: note: in expansion of macro 'COND_SYSCALL' 53 | COND_SYSCALL(io_uring_register); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_lookup_dcookie' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:60:1: note: in expansion of macro 'COND_SYSCALL' 60 | COND_SYSCALL(lookup_dcookie); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_sys_lookup_dcookie' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:60:1: note: in expansion of macro 'COND_SYSCALL' 60 | COND_SYSCALL(lookup_dcookie); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_compat_sys_lookup_dcookie' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:148:2: note: in expansion of macro '__COND_SYSCALL' 148 | __COND_SYSCALL(ia32, compat_sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:218:2: note: in expansion of macro '__IA32_COMPAT_COND_SYSCALL' 218 | __IA32_COMPAT_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:61:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 61 | COND_SYSCALL_COMPAT(lookup_dcookie); | ^~~~~~~~~~~~~~~~~~~ >> arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_compat_sys_lookup_dcookie' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:175:2: note: in expansion of macro '__COND_SYSCALL' 175 | __COND_SYSCALL(x64, compat_sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:219:2: note: in expansion of macro '__X32_COMPAT_COND_SYSCALL' 219 | __X32_COMPAT_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:61:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 61 | COND_SYSCALL_COMPAT(lookup_dcookie); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_eventfd2' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:64:1: note: in expansion of macro 'COND_SYSCALL' 64 | COND_SYSCALL(eventfd2); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_sys_eventfd2' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:64:1: note: in expansion of macro 'COND_SYSCALL' 64 | COND_SYSCALL(eventfd2); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_epoll_create1' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:67:1: note: in expansion of macro 'COND_SYSCALL' 67 | COND_SYSCALL(epoll_create1); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_sys_epoll_create1' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:67:1: note: in expansion of macro 'COND_SYSCALL' 67 | COND_SYSCALL(epoll_create1); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_epoll_ctl' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:68:1: note: in expansion of macro 'COND_SYSCALL' 68 | COND_SYSCALL(epoll_ctl); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_sys_epoll_ctl' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:68:1: note: in expansion of macro 'COND_SYSCALL' 68 | COND_SYSCALL(epoll_ctl); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_epoll_pwait' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:69:1: note: in expansion of macro 'COND_SYSCALL' 69 | COND_SYSCALL(epoll_pwait); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_sys_epoll_pwait' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:69:1: note: in expansion of macro 'COND_SYSCALL' 69 | COND_SYSCALL(epoll_pwait); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_compat_sys_epoll_pwait' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:148:2: note: in expansion of macro '__COND_SYSCALL' 148 | __COND_SYSCALL(ia32, compat_sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:218:2: note: in expansion of macro '__IA32_COMPAT_COND_SYSCALL' 218 | __IA32_COMPAT_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:70:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 70 | COND_SYSCALL_COMPAT(epoll_pwait); | ^~~~~~~~~~~~~~~~~~~ >> arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_compat_sys_epoll_pwait' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:175:2: note: in expansion of macro '__COND_SYSCALL' 175 | __COND_SYSCALL(x64, compat_sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:219:2: note: in expansion of macro '__X32_COMPAT_COND_SYSCALL' 219 | __X32_COMPAT_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:70:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 70 | COND_SYSCALL_COMPAT(epoll_pwait); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_epoll_pwait2' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:71:1: note: in expansion of macro 'COND_SYSCALL' 71 | COND_SYSCALL(epoll_pwait2); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_sys_epoll_pwait2' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:71:1: note: in expansion of macro 'COND_SYSCALL' 71 | COND_SYSCALL(epoll_pwait2); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_compat_sys_epoll_pwait2' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:148:2: note: in expansion of macro '__COND_SYSCALL' 148 | __COND_SYSCALL(ia32, compat_sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:218:2: note: in expansion of macro '__IA32_COMPAT_COND_SYSCALL' 218 | __IA32_COMPAT_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:72:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 72 | COND_SYSCALL_COMPAT(epoll_pwait2); | ^~~~~~~~~~~~~~~~~~~ >> arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_compat_sys_epoll_pwait2' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:175:2: note: in expansion of macro '__COND_SYSCALL' 175 | __COND_SYSCALL(x64, compat_sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:219:2: note: in expansion of macro '__X32_COMPAT_COND_SYSCALL' 219 | __X32_COMPAT_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:72:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 72 | COND_SYSCALL_COMPAT(epoll_pwait2); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_inotify_init1' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:77:1: note: in expansion of macro 'COND_SYSCALL' 77 | COND_SYSCALL(inotify_init1); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_sys_inotify_init1' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:77:1: note: in expansion of macro 'COND_SYSCALL' 77 | COND_SYSCALL(inotify_init1); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_inotify_add_watch' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:78:1: note: in expansion of macro 'COND_SYSCALL' 78 | COND_SYSCALL(inotify_add_watch); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_sys_inotify_add_watch' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:78:1: note: in expansion of macro 'COND_SYSCALL' 78 | COND_SYSCALL(inotify_add_watch); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_inotify_rm_watch' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:79:1: note: in expansion of macro 'COND_SYSCALL' 79 | COND_SYSCALL(inotify_rm_watch); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_sys_inotify_rm_watch' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:257:2: note: in expansion of macro '__IA32_COND_SYSCALL' 257 | __IA32_COND_SYSCALL(name) | ^~~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:79:1: note: in expansion of macro 'COND_SYSCALL' 79 | COND_SYSCALL(inotify_rm_watch); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_ioprio_set' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL' 100 | __COND_SYSCALL(x64, sys_##name) | ^~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL' 256 | __X64_COND_SYSCALL(name) \ | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:84:1: note: in expansion of macro 'COND_SYSCALL' 84 | COND_SYSCALL(ioprio_set); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__ia32_sys_ioprio_set' [-Wmissing-prototypes] 83 | __weak long __##abi##_##name(const struct pt_regs *__unused) \ | ^~ arch/x86/include/asm/syscall_wrapper.h:120:2: note: in expansion of macro '__COND_SYSCALL' 120 | __COND_SYSCALL(ia32, sys_##name) .. vim +/__x64_compat_sys_io_setup +83 arch/x86/include/asm/syscall_wrapper.h cc42c045af1ff4 Brian Gerst 2020-03-13 13 25c619e59b395a Brian Gerst 2020-03-13 14 /* 25c619e59b395a Brian Gerst 2020-03-13 15 * Instead of the generic __SYSCALL_DEFINEx() definition, the x86 version takes 25c619e59b395a Brian Gerst 2020-03-13 16 * struct pt_regs *regs as the only argument of the syscall stub(s) named as: 25c619e59b395a Brian Gerst 2020-03-13 17 * __x64_sys_*() - 64-bit native syscall 25c619e59b395a Brian Gerst 2020-03-13 18 * __ia32_sys_*() - 32-bit native syscall or common compat syscall 25c619e59b395a Brian Gerst 2020-03-13 19 * __ia32_compat_sys_*() - 32-bit compat syscall 8b79bd8cbf1eb3 Masahiro Yamada 2021-01-22 20 * __x64_compat_sys_*() - 64-bit X32 compat syscall 25c619e59b395a Brian Gerst 2020-03-13 21 * 25c619e59b395a Brian Gerst 2020-03-13 22 * The registers are decoded according to the ABI: 25c619e59b395a Brian Gerst 2020-03-13 23 * 64-bit: RDI, RSI, RDX, R10, R8, R9 25c619e59b395a Brian Gerst 2020-03-13 24 * 32-bit: EBX, ECX, EDX, ESI, EDI, EBP 25c619e59b395a Brian Gerst 2020-03-13 25 * 25c619e59b395a Brian Gerst 2020-03-13 26 * The stub then passes the decoded arguments to the __se_sys_*() wrapper to 25c619e59b395a Brian Gerst 2020-03-13 27 * perform sign-extension (omitted for zero-argument syscalls). Finally the 25c619e59b395a Brian Gerst 2020-03-13 28 * arguments are passed to the __do_sys_*() function which is the actual 25c619e59b395a Brian Gerst 2020-03-13 29 * syscall. These wrappers are marked as inline so the compiler can optimize 25c619e59b395a Brian Gerst 2020-03-13 30 * the functions where appropriate. 25c619e59b395a Brian Gerst 2020-03-13 31 * 25c619e59b395a Brian Gerst 2020-03-13 32 * Example assembly (slightly re-ordered for better readability): 25c619e59b395a Brian Gerst 2020-03-13 33 * 25c619e59b395a Brian Gerst 2020-03-13 34 * <__x64_sys_recv>: <-- syscall with 4 parameters 25c619e59b395a Brian Gerst 2020-03-13 35 * callq <__fentry__> 25c619e59b395a Brian Gerst 2020-03-13 36 * 25c619e59b395a Brian Gerst 2020-03-13 37 * mov 0x70(%rdi),%rdi <-- decode regs->di 25c619e59b395a Brian Gerst 2020-03-13 38 * mov 0x68(%rdi),%rsi <-- decode regs->si 25c619e59b395a Brian Gerst 2020-03-13 39 * mov 0x60(%rdi),%rdx <-- decode regs->dx 25c619e59b395a Brian Gerst 2020-03-13 40 * mov 0x38(%rdi),%rcx <-- decode regs->r10 25c619e59b395a Brian Gerst 2020-03-13 41 * 25c619e59b395a Brian Gerst 2020-03-13 42 * xor %r9d,%r9d <-- clear %r9 25c619e59b395a Brian Gerst 2020-03-13 43 * xor %r8d,%r8d <-- clear %r8 25c619e59b395a Brian Gerst 2020-03-13 44 * 25c619e59b395a Brian Gerst 2020-03-13 45 * callq __sys_recvfrom <-- do the actual work in __sys_recvfrom() 25c619e59b395a Brian Gerst 2020-03-13 46 * which takes 6 arguments 25c619e59b395a Brian Gerst 2020-03-13 47 * 25c619e59b395a Brian Gerst 2020-03-13 48 * cltq <-- extend return value to 64-bit 25c619e59b395a Brian Gerst 2020-03-13 49 * retq <-- return 25c619e59b395a Brian Gerst 2020-03-13 50 * 25c619e59b395a Brian Gerst 2020-03-13 51 * This approach avoids leaking random user-provided register content down 25c619e59b395a Brian Gerst 2020-03-13 52 * the call chain. 25c619e59b395a Brian Gerst 2020-03-13 53 */ 25c619e59b395a Brian Gerst 2020-03-13 54 ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 55 /* Mapping of registers to parameters for syscalls on x86-64 and x32 */ ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 56 #define SC_X86_64_REGS_TO_ARGS(x, ...) \ ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 57 __MAP(x,__SC_ARGS \ ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 58 ,,regs->di,,regs->si,,regs->dx \ ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 59 ,,regs->r10,,regs->r8,,regs->r9) \ ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 60 ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 61 /* Mapping of registers to parameters for syscalls on i386 */ ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 62 #define SC_IA32_REGS_TO_ARGS(x, ...) \ ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 63 __MAP(x,__SC_ARGS \ ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 64 ,,(unsigned int)regs->bx,,(unsigned int)regs->cx \ ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 65 ,,(unsigned int)regs->dx,,(unsigned int)regs->si \ ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 66 ,,(unsigned int)regs->di,,(unsigned int)regs->bp) ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 67 d2b5de495ee983 Brian Gerst 2020-03-13 68 #define __SYS_STUB0(abi, name) \ 0f78ff17112d8b Brian Gerst 2020-03-13 69 long __##abi##_##name(const struct pt_regs *regs); \ d2b5de495ee983 Brian Gerst 2020-03-13 70 ALLOW_ERROR_INJECTION(__##abi##_##name, ERRNO); \ 0f78ff17112d8b Brian Gerst 2020-03-13 71 long __##abi##_##name(const struct pt_regs *regs) \ d2b5de495ee983 Brian Gerst 2020-03-13 72 __alias(__do_##name); d2b5de495ee983 Brian Gerst 2020-03-13 73 4399e0cf494f73 Brian Gerst 2020-03-13 74 #define __SYS_STUBx(abi, name, ...) \ 0f78ff17112d8b Brian Gerst 2020-03-13 75 long __##abi##_##name(const struct pt_regs *regs); \ 4399e0cf494f73 Brian Gerst 2020-03-13 76 ALLOW_ERROR_INJECTION(__##abi##_##name, ERRNO); \ 0f78ff17112d8b Brian Gerst 2020-03-13 77 long __##abi##_##name(const struct pt_regs *regs) \ 4399e0cf494f73 Brian Gerst 2020-03-13 78 { \ 4399e0cf494f73 Brian Gerst 2020-03-13 79 return __se_##name(__VA_ARGS__); \ 4399e0cf494f73 Brian Gerst 2020-03-13 80 } 4399e0cf494f73 Brian Gerst 2020-03-13 81 6cc8d2b286d9e7 Brian Gerst 2020-03-13 82 #define __COND_SYSCALL(abi, name) \ 0f78ff17112d8b Brian Gerst 2020-03-13 @83 __weak long __##abi##_##name(const struct pt_regs *__unused) \ 6cc8d2b286d9e7 Brian Gerst 2020-03-13 84 { \ 6cc8d2b286d9e7 Brian Gerst 2020-03-13 85 return sys_ni_syscall(); \ 6cc8d2b286d9e7 Brian Gerst 2020-03-13 86 } 6cc8d2b286d9e7 Brian Gerst 2020-03-13 87 a74d187c2df3a3 Brian Gerst 2020-03-13 88 #define __SYS_NI(abi, name) \ 290a4474d019c7 Brian Gerst 2020-03-24 89 SYSCALL_ALIAS(__##abi##_##name, sys_ni_posix_timers); a74d187c2df3a3 Brian Gerst 2020-03-13 90 4399e0cf494f73 Brian Gerst 2020-03-13 91 #ifdef CONFIG_X86_64 d2b5de495ee983 Brian Gerst 2020-03-13 92 #define __X64_SYS_STUB0(name) \ d2b5de495ee983 Brian Gerst 2020-03-13 93 __SYS_STUB0(x64, sys_##name) d2b5de495ee983 Brian Gerst 2020-03-13 94 4399e0cf494f73 Brian Gerst 2020-03-13 95 #define __X64_SYS_STUBx(x, name, ...) \ 4399e0cf494f73 Brian Gerst 2020-03-13 96 __SYS_STUBx(x64, sys##name, \ 4399e0cf494f73 Brian Gerst 2020-03-13 97 SC_X86_64_REGS_TO_ARGS(x, __VA_ARGS__)) 6cc8d2b286d9e7 Brian Gerst 2020-03-13 98 6cc8d2b286d9e7 Brian Gerst 2020-03-13 99 #define __X64_COND_SYSCALL(name) \ 6cc8d2b286d9e7 Brian Gerst 2020-03-13 100 __COND_SYSCALL(x64, sys_##name) a74d187c2df3a3 Brian Gerst 2020-03-13 101 a74d187c2df3a3 Brian Gerst 2020-03-13 102 #define __X64_SYS_NI(name) \ a74d187c2df3a3 Brian Gerst 2020-03-13 103 __SYS_NI(x64, sys_##name) 4399e0cf494f73 Brian Gerst 2020-03-13 104 #else /* CONFIG_X86_64 */ d2b5de495ee983 Brian Gerst 2020-03-13 105 #define __X64_SYS_STUB0(name) 4399e0cf494f73 Brian Gerst 2020-03-13 106 #define __X64_SYS_STUBx(x, name, ...) 6cc8d2b286d9e7 Brian Gerst 2020-03-13 107 #define __X64_COND_SYSCALL(name) a74d187c2df3a3 Brian Gerst 2020-03-13 108 #define __X64_SYS_NI(name) 4399e0cf494f73 Brian Gerst 2020-03-13 109 #endif /* CONFIG_X86_64 */ 4399e0cf494f73 Brian Gerst 2020-03-13 110 25c619e59b395a Brian Gerst 2020-03-13 111 #if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION) 25c619e59b395a Brian Gerst 2020-03-13 112 #define __IA32_SYS_STUB0(name) \ 25c619e59b395a Brian Gerst 2020-03-13 113 __SYS_STUB0(ia32, sys_##name) 25c619e59b395a Brian Gerst 2020-03-13 114 25c619e59b395a Brian Gerst 2020-03-13 115 #define __IA32_SYS_STUBx(x, name, ...) \ 25c619e59b395a Brian Gerst 2020-03-13 116 __SYS_STUBx(ia32, sys##name, \ 25c619e59b395a Brian Gerst 2020-03-13 117 SC_IA32_REGS_TO_ARGS(x, __VA_ARGS__)) 25c619e59b395a Brian Gerst 2020-03-13 118 25c619e59b395a Brian Gerst 2020-03-13 119 #define __IA32_COND_SYSCALL(name) \ 25c619e59b395a Brian Gerst 2020-03-13 120 __COND_SYSCALL(ia32, sys_##name) 25c619e59b395a Brian Gerst 2020-03-13 121 25c619e59b395a Brian Gerst 2020-03-13 122 #define __IA32_SYS_NI(name) \ 25c619e59b395a Brian Gerst 2020-03-13 123 __SYS_NI(ia32, sys_##name) 25c619e59b395a Brian Gerst 2020-03-13 124 #else /* CONFIG_X86_32 || CONFIG_IA32_EMULATION */ 25c619e59b395a Brian Gerst 2020-03-13 125 #define __IA32_SYS_STUB0(name) 25c619e59b395a Brian Gerst 2020-03-13 126 #define __IA32_SYS_STUBx(x, name, ...) 25c619e59b395a Brian Gerst 2020-03-13 127 #define __IA32_COND_SYSCALL(name) 25c619e59b395a Brian Gerst 2020-03-13 128 #define __IA32_SYS_NI(name) 25c619e59b395a Brian Gerst 2020-03-13 129 #endif /* CONFIG_X86_32 || CONFIG_IA32_EMULATION */ 25c619e59b395a Brian Gerst 2020-03-13 130 ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 131 #ifdef CONFIG_IA32_EMULATION ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 132 /* ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 133 * For IA32 emulation, we need to handle "compat" syscalls *and* create e145242ea0df6b Dominik Brodowski 2018-04-09 134 * additional wrappers (aptly named __ia32_sys_xyzzy) which decode the ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 135 * ia32 regs in the proper order for shared or "common" syscalls. As some ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 136 * syscalls may not be implemented, we need to expand COND_SYSCALL in ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 137 * kernel/sys_ni.c and SYS_NI in kernel/time/posix-stubs.c to cover this ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 138 * case as well. ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 139 */ d2b5de495ee983 Brian Gerst 2020-03-13 140 #define __IA32_COMPAT_SYS_STUB0(name) \ d2b5de495ee983 Brian Gerst 2020-03-13 141 __SYS_STUB0(ia32, compat_sys_##name) cf3b83e19d7c92 Andy Lutomirski 2019-10-08 142 c76fc98260751e Dominik Brodowski 2018-04-09 143 #define __IA32_COMPAT_SYS_STUBx(x, name, ...) \ 4399e0cf494f73 Brian Gerst 2020-03-13 144 __SYS_STUBx(ia32, compat_sys##name, \ 4399e0cf494f73 Brian Gerst 2020-03-13 145 SC_IA32_REGS_TO_ARGS(x, __VA_ARGS__)) ebeb8c82ffaf94 Dominik Brodowski 2018-04-05 146 6cc8d2b286d9e7 Brian Gerst 2020-03-13 147 #define __IA32_COMPAT_COND_SYSCALL(name) \ 6cc8d2b286d9e7 Brian Gerst 2020-03-13 @148 __COND_SYSCALL(ia32, compat_sys_##name) 6cc8d2b286d9e7 Brian Gerst 2020-03-13 149 :::::: The code at line 83 was first introduced by commit :::::: 0f78ff17112d8b3469b805ff4ea9780cc1e5c93b x86/entry: Drop asmlinkage from syscalls :::::: TO: Brian Gerst <brgerst@xxxxxxxxx> :::::: CC: Thomas Gleixner <tglx@xxxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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