tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 0513e464f9007b70b96740271a948ca5ab6e7dd7 commit: b0a0c2615f6f199a656ed8549d7dce625d77aa77 epoll: wire up syscall epoll_pwait2 date: 9 months ago config: arm64-randconfig-r032-20210927 (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=b0a0c2615f6f199a656ed8549d7dce625d77aa77 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout b0a0c2615f6f199a656ed8549d7dce625d77aa77 # 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@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from kernel/sys_ni.c:10: arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_io_setup' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:39:1: note: in expansion of macro 'COND_SYSCALL' 39 | COND_SYSCALL(io_setup); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_io_destroy' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:41:1: note: in expansion of macro 'COND_SYSCALL' 41 | COND_SYSCALL(io_destroy); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_io_submit' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:42:1: note: in expansion of macro 'COND_SYSCALL' 42 | COND_SYSCALL(io_submit); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_io_cancel' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:44:1: note: in expansion of macro 'COND_SYSCALL' 44 | COND_SYSCALL(io_cancel); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_io_getevents_time32' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:45:1: note: in expansion of macro 'COND_SYSCALL' 45 | COND_SYSCALL(io_getevents_time32); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_io_getevents' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:46:1: note: in expansion of macro 'COND_SYSCALL' 46 | COND_SYSCALL(io_getevents); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_io_pgetevents_time32' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:47:1: note: in expansion of macro 'COND_SYSCALL' 47 | COND_SYSCALL(io_pgetevents_time32); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_io_pgetevents' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:48:1: note: in expansion of macro 'COND_SYSCALL' 48 | COND_SYSCALL(io_pgetevents); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_io_uring_setup' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:51:1: note: in expansion of macro 'COND_SYSCALL' 51 | COND_SYSCALL(io_uring_setup); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_io_uring_enter' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:52:1: note: in expansion of macro 'COND_SYSCALL' 52 | COND_SYSCALL(io_uring_enter); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_io_uring_register' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:53:1: note: in expansion of macro 'COND_SYSCALL' 53 | COND_SYSCALL(io_uring_register); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_lookup_dcookie' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:60:1: note: in expansion of macro 'COND_SYSCALL' 60 | COND_SYSCALL(lookup_dcookie); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_eventfd2' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:64:1: note: in expansion of macro 'COND_SYSCALL' 64 | COND_SYSCALL(eventfd2); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_epoll_create1' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:67:1: note: in expansion of macro 'COND_SYSCALL' 67 | COND_SYSCALL(epoll_create1); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_epoll_ctl' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:68:1: note: in expansion of macro 'COND_SYSCALL' 68 | COND_SYSCALL(epoll_ctl); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_epoll_pwait' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:69:1: note: in expansion of macro 'COND_SYSCALL' 69 | COND_SYSCALL(epoll_pwait); | ^~~~~~~~~~~~ >> arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_epoll_pwait2' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:71:1: note: in expansion of macro 'COND_SYSCALL' 71 | COND_SYSCALL(epoll_pwait2); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_inotify_init1' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:77:1: note: in expansion of macro 'COND_SYSCALL' 77 | COND_SYSCALL(inotify_init1); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_inotify_add_watch' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:78:1: note: in expansion of macro 'COND_SYSCALL' 78 | COND_SYSCALL(inotify_add_watch); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_inotify_rm_watch' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:79:1: note: in expansion of macro 'COND_SYSCALL' 79 | COND_SYSCALL(inotify_rm_watch); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_ioprio_set' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:84:1: note: in expansion of macro 'COND_SYSCALL' 84 | COND_SYSCALL(ioprio_set); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_ioprio_get' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:85:1: note: in expansion of macro 'COND_SYSCALL' 85 | COND_SYSCALL(ioprio_get); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_flock' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:88:1: note: in expansion of macro 'COND_SYSCALL' 88 | COND_SYSCALL(flock); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_quotactl' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:101:1: note: in expansion of macro 'COND_SYSCALL' 101 | COND_SYSCALL(quotactl); | ^~~~~~~~~~~~ arch/arm64/include/asm/syscall_wrapper.h:76:32: warning: no previous prototype for '__arm64_sys_signalfd4' [-Wmissing-prototypes] 76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ | ^~~~~~~~~~~~ kernel/sys_ni.c:112:1: note: in expansion of macro 'COND_SYSCALL' 112 | COND_SYSCALL(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:122:1: note: in expansion of macro 'COND_SYSCALL' 122 | 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:123:1: note: in expansion of macro 'COND_SYSCALL' 123 | 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:124:1: note: in expansion of macro 'COND_SYSCALL' 124 | 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:125:1: note: in expansion of macro 'COND_SYSCALL' 125 | 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:126:1: note: in expansion of macro 'COND_SYSCALL' 126 | 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:131:1: note: in expansion of macro 'COND_SYSCALL' 131 | 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:134:1: note: in expansion of macro 'COND_SYSCALL' 134 | 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:135:1: note: in expansion of macro 'COND_SYSCALL' 135 | COND_SYSCALL(capset); vim +/__arm64_sys_epoll_pwait2 +76 arch/arm64/include/asm/syscall_wrapper.h 4378a7d4be30ec69 Mark Rutland 2018-07-11 50 4378a7d4be30ec69 Mark Rutland 2018-07-11 51 #define __SYSCALL_DEFINEx(x, name, ...) \ 4378a7d4be30ec69 Mark Rutland 2018-07-11 52 asmlinkage long __arm64_sys##name(const struct pt_regs *regs); \ 4378a7d4be30ec69 Mark Rutland 2018-07-11 53 ALLOW_ERROR_INJECTION(__arm64_sys##name, ERRNO); \ 4378a7d4be30ec69 Mark Rutland 2018-07-11 54 static long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \ 4378a7d4be30ec69 Mark Rutland 2018-07-11 55 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \ 4378a7d4be30ec69 Mark Rutland 2018-07-11 56 asmlinkage long __arm64_sys##name(const struct pt_regs *regs) \ 4378a7d4be30ec69 Mark Rutland 2018-07-11 57 { \ 4378a7d4be30ec69 Mark Rutland 2018-07-11 58 return __se_sys##name(SC_ARM64_REGS_TO_ARGS(x,__VA_ARGS__)); \ 4378a7d4be30ec69 Mark Rutland 2018-07-11 59 } \ 4378a7d4be30ec69 Mark Rutland 2018-07-11 60 static long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \ 4378a7d4be30ec69 Mark Rutland 2018-07-11 61 { \ 4378a7d4be30ec69 Mark Rutland 2018-07-11 62 long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__)); \ 4378a7d4be30ec69 Mark Rutland 2018-07-11 63 __MAP(x,__SC_TEST,__VA_ARGS__); \ 4378a7d4be30ec69 Mark Rutland 2018-07-11 64 __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \ 4378a7d4be30ec69 Mark Rutland 2018-07-11 65 return ret; \ 4378a7d4be30ec69 Mark Rutland 2018-07-11 66 } \ 4378a7d4be30ec69 Mark Rutland 2018-07-11 67 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) 4378a7d4be30ec69 Mark Rutland 2018-07-11 68 4378a7d4be30ec69 Mark Rutland 2018-07-11 69 #define SYSCALL_DEFINE0(sname) \ 4378a7d4be30ec69 Mark Rutland 2018-07-11 70 SYSCALL_METADATA(_##sname, 0); \ 0e358bd7b7ebd27e Sami Tolvanen 2019-05-24 71 asmlinkage long __arm64_sys_##sname(const struct pt_regs *__unused); \ 4378a7d4be30ec69 Mark Rutland 2018-07-11 72 ALLOW_ERROR_INJECTION(__arm64_sys_##sname, ERRNO); \ 0e358bd7b7ebd27e Sami Tolvanen 2019-05-24 73 asmlinkage long __arm64_sys_##sname(const struct pt_regs *__unused) 4378a7d4be30ec69 Mark Rutland 2018-07-11 74 c27eccfe4d6c7481 Sami Tolvanen 2019-09-10 75 #define COND_SYSCALL(name) \ c27eccfe4d6c7481 Sami Tolvanen 2019-09-10 @76 asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ c27eccfe4d6c7481 Sami Tolvanen 2019-09-10 77 { \ c27eccfe4d6c7481 Sami Tolvanen 2019-09-10 78 return sys_ni_syscall(); \ c27eccfe4d6c7481 Sami Tolvanen 2019-09-10 79 } 4378a7d4be30ec69 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@xxxxxxxxxx> :::::: CC: Will Deacon <will@xxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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