Shuffle the cond_syscall() entries in kernel/sys_ni.c around so that they are kept in the same order as in include/uapi/asm-generic/unistd.h. For better structuring, add the same comments as in that file, but keep a few additional comments and extend the commentary where it seems useful. Signed-off-by: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx> --- kernel/sys_ni.c | 506 +++++++++++++++++++++++++++++++++++++------------------- 1 file changed, 332 insertions(+), 174 deletions(-) diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c index 951dbda5c2b4..0c1538f5a559 100644 --- a/kernel/sys_ni.c +++ b/kernel/sys_ni.c @@ -17,245 +17,403 @@ asmlinkage long sys_ni_syscall(void) return -ENOSYS; } -cond_syscall(sys_quotactl); -cond_syscall(compat_sys_quotactl32); -cond_syscall(sys_acct); +/* + * This list is kept in the same order as include/uapi/asm-generic/unistd.h. + * Architecture specific entries go below, followed by deprecated or obsolete + * system calls. + */ + +cond_syscall(sys_io_setup); +cond_syscall(compat_sys_io_setup); +cond_syscall(sys_io_destroy); +cond_syscall(sys_io_submit); +cond_syscall(compat_sys_io_submit); +cond_syscall(sys_io_cancel); +cond_syscall(sys_io_getevents); +cond_syscall(compat_sys_io_getevents); + +/* fs/xattr.c */ + +/* fs/dcache.c */ + +/* fs/cookies.c */ cond_syscall(sys_lookup_dcookie); cond_syscall(compat_sys_lookup_dcookie); -cond_syscall(sys_swapon); -cond_syscall(sys_swapoff); + +/* fs/eventfd.c */ +cond_syscall(sys_eventfd2); + +/* fs/eventfd.c */ +cond_syscall(sys_epoll_create1); +cond_syscall(sys_epoll_ctl); +cond_syscall(sys_epoll_pwait); +cond_syscall(compat_sys_epoll_pwait); + +/* fs/fcntl.c */ + +/* fs/inotify_user.c */ +cond_syscall(sys_inotify_init1); +cond_syscall(sys_inotify_add_watch); +cond_syscall(sys_inotify_rm_watch); + +/* fs/ioctl.c */ + +/* fs/ioprio.c */ +cond_syscall(sys_ioprio_set); +cond_syscall(sys_ioprio_get); + +/* fs/locks.c */ +cond_syscall(sys_flock); + +/* fs/namei.c */ + +/* fs/namespace.c */ + +/* fs/nfsctl.c */ + +/* fs/open.c */ + +/* fs/pipe.c */ + +/* fs/quota.c */ +cond_syscall(sys_quotactl); + +/* fs/readdir.c */ + +/* fs/read_write.c */ + +/* fs/sendfile.c */ + +/* fs/select.c */ + +/* fs/signalfd.c */ +cond_syscall(sys_signalfd4); +cond_syscall(compat_sys_signalfd4); + +/* fs/splice.c */ + +/* fs/stat.c */ + +/* fs/sync.c */ + +/* fs/timerfd.c */ +cond_syscall(sys_timerfd_create); +cond_syscall(sys_timerfd_settime); +cond_syscall(compat_sys_timerfd_settime); +cond_syscall(sys_timerfd_gettime); +cond_syscall(compat_sys_timerfd_gettime); + +/* fs/utimes.c */ + +/* kernel/acct.c */ +cond_syscall(sys_acct); + +/* kernel/capability.c */ +cond_syscall(sys_capget); +cond_syscall(sys_capset); + +/* kernel/exec_domain.c */ + +/* kernel/exit.c */ + +/* kernel/fork.c */ + +/* kernel/futex.c */ +cond_syscall(sys_futex); +cond_syscall(compat_sys_futex); +cond_syscall(sys_set_robust_list); +cond_syscall(compat_sys_set_robust_list); +cond_syscall(sys_get_robust_list); +cond_syscall(compat_sys_get_robust_list); + +/* kernel/hrtimer.c */ + +/* kernel/itimer.c */ + +/* kernel/kexec.c */ cond_syscall(sys_kexec_load); cond_syscall(compat_sys_kexec_load); -cond_syscall(sys_kexec_file_load); + +/* kernel/module.c */ cond_syscall(sys_init_module); -cond_syscall(sys_finit_module); cond_syscall(sys_delete_module); + +/* kernel/posix-timers.c */ + +/* kernel/printk.c */ +cond_syscall(sys_syslog); + +/* kernel/ptrace.c */ + +/* kernel/sched/core.c */ + +/* kernel/signal.c */ + +/* kernel/sys.c */ +cond_syscall(sys_setregid); +cond_syscall(sys_setgid); +cond_syscall(sys_setreuid); +cond_syscall(sys_setuid); +cond_syscall(sys_setresuid); +cond_syscall(sys_getresuid); +cond_syscall(sys_setresgid); +cond_syscall(sys_getresgid); +cond_syscall(sys_setfsuid); +cond_syscall(sys_setfsgid); +cond_syscall(sys_setgroups); +cond_syscall(sys_getgroups); + +/* kernel/time.c */ + +/* kernel/timer.c */ + +/* ipc/mqueue.c */ +cond_syscall(sys_mq_open); +cond_syscall(compat_sys_mq_open); +cond_syscall(sys_mq_unlink); +cond_syscall(sys_mq_timedsend); +cond_syscall(compat_sys_mq_timedsend); +cond_syscall(sys_mq_timedreceive); +cond_syscall(compat_sys_mq_timedreceive); +cond_syscall(sys_mq_notify); +cond_syscall(compat_sys_mq_notify); +cond_syscall(sys_mq_getsetattr); +cond_syscall(compat_sys_mq_getsetattr); + +/* ipc/msg.c */ +cond_syscall(sys_msgget); +cond_syscall(sys_msgctl); +cond_syscall(compat_sys_msgctl); +cond_syscall(sys_msgrcv); +cond_syscall(compat_sys_msgrcv); +cond_syscall(sys_msgsnd); +cond_syscall(compat_sys_msgsnd); + +/* ipc/sem.c */ +cond_syscall(sys_semget); +cond_syscall(sys_semctl); +cond_syscall(compat_sys_semctl); +cond_syscall(sys_semtimedop); +cond_syscall(compat_sys_semtimedop); +cond_syscall(sys_semop); + +/* ipc/shm.c */ +cond_syscall(sys_shmget); +cond_syscall(sys_shmctl); +cond_syscall(compat_sys_shmctl); +cond_syscall(sys_shmat); +cond_syscall(compat_sys_shmat); +cond_syscall(sys_shmdt); + +/* net/socket.c */ +cond_syscall(sys_socket); cond_syscall(sys_socketpair); cond_syscall(sys_bind); cond_syscall(sys_listen); cond_syscall(sys_accept); -cond_syscall(sys_accept4); cond_syscall(sys_connect); cond_syscall(sys_getsockname); cond_syscall(sys_getpeername); -cond_syscall(sys_sendto); -cond_syscall(sys_send); -cond_syscall(sys_recvfrom); -cond_syscall(sys_recv); -cond_syscall(sys_socket); cond_syscall(sys_setsockopt); cond_syscall(compat_sys_setsockopt); cond_syscall(sys_getsockopt); cond_syscall(compat_sys_getsockopt); +cond_syscall(sys_sendto); cond_syscall(sys_shutdown); +cond_syscall(sys_recvfrom); +cond_syscall(compat_sys_recvfrom); cond_syscall(sys_sendmsg); -cond_syscall(sys_sendmmsg); cond_syscall(compat_sys_sendmsg); -cond_syscall(compat_sys_sendmmsg); cond_syscall(sys_recvmsg); -cond_syscall(sys_recvmmsg); cond_syscall(compat_sys_recvmsg); -cond_syscall(compat_sys_recv); -cond_syscall(compat_sys_recvfrom); -cond_syscall(compat_sys_recvmmsg); -cond_syscall(sys_socketcall); -cond_syscall(sys_futex); -cond_syscall(compat_sys_futex); -cond_syscall(sys_set_robust_list); -cond_syscall(compat_sys_set_robust_list); -cond_syscall(sys_get_robust_list); -cond_syscall(compat_sys_get_robust_list); -cond_syscall(sys_epoll_create); -cond_syscall(sys_epoll_create1); -cond_syscall(sys_epoll_ctl); -cond_syscall(sys_epoll_wait); -cond_syscall(sys_epoll_pwait); -cond_syscall(compat_sys_epoll_pwait); -cond_syscall(sys_semget); -cond_syscall(sys_semop); -cond_syscall(sys_semtimedop); -cond_syscall(compat_sys_semtimedop); -cond_syscall(sys_semctl); -cond_syscall(compat_sys_semctl); -cond_syscall(sys_msgget); -cond_syscall(sys_msgsnd); -cond_syscall(compat_sys_msgsnd); -cond_syscall(sys_msgrcv); -cond_syscall(compat_sys_msgrcv); -cond_syscall(sys_msgctl); -cond_syscall(compat_sys_msgctl); -cond_syscall(sys_shmget); -cond_syscall(sys_shmat); -cond_syscall(compat_sys_shmat); -cond_syscall(sys_shmdt); -cond_syscall(sys_shmctl); -cond_syscall(compat_sys_shmctl); -cond_syscall(sys_mq_open); -cond_syscall(sys_mq_unlink); -cond_syscall(sys_mq_timedsend); -cond_syscall(sys_mq_timedreceive); -cond_syscall(sys_mq_notify); -cond_syscall(sys_mq_getsetattr); -cond_syscall(compat_sys_mq_open); -cond_syscall(compat_sys_mq_timedsend); -cond_syscall(compat_sys_mq_timedreceive); -cond_syscall(compat_sys_mq_notify); -cond_syscall(compat_sys_mq_getsetattr); -cond_syscall(sys_mbind); -cond_syscall(sys_get_mempolicy); -cond_syscall(sys_set_mempolicy); -cond_syscall(compat_sys_mbind); -cond_syscall(compat_sys_get_mempolicy); -cond_syscall(compat_sys_set_mempolicy); + +/* mm/filemap.c */ + +/* mm/nommu.c, also with MMU */ +cond_syscall(sys_mremap); + +/* security/keys/keyctl.c */ cond_syscall(sys_add_key); cond_syscall(sys_request_key); cond_syscall(sys_keyctl); cond_syscall(compat_sys_keyctl); -cond_syscall(compat_sys_socketcall); -cond_syscall(sys_inotify_init); -cond_syscall(sys_inotify_init1); -cond_syscall(sys_inotify_add_watch); -cond_syscall(sys_inotify_rm_watch); -cond_syscall(sys_migrate_pages); -cond_syscall(sys_move_pages); -cond_syscall(sys_chown16); -cond_syscall(sys_fchown16); -cond_syscall(sys_getegid16); -cond_syscall(sys_geteuid16); -cond_syscall(sys_getgid16); -cond_syscall(sys_getgroups16); -cond_syscall(sys_getresgid16); -cond_syscall(sys_getresuid16); -cond_syscall(sys_getuid16); -cond_syscall(sys_lchown16); -cond_syscall(sys_setfsgid16); -cond_syscall(sys_setfsuid16); -cond_syscall(sys_setgid16); -cond_syscall(sys_setgroups16); -cond_syscall(sys_setregid16); -cond_syscall(sys_setresgid16); -cond_syscall(sys_setresuid16); -cond_syscall(sys_setreuid16); -cond_syscall(sys_setuid16); -cond_syscall(sys_sgetmask); -cond_syscall(sys_ssetmask); -cond_syscall(sys_vm86old); -cond_syscall(sys_vm86); -cond_syscall(sys_modify_ldt); -cond_syscall(sys_ipc); -cond_syscall(compat_sys_ipc); -cond_syscall(compat_sys_sysctl); -cond_syscall(sys_flock); -cond_syscall(sys_io_setup); -cond_syscall(sys_io_destroy); -cond_syscall(sys_io_submit); -cond_syscall(sys_io_cancel); -cond_syscall(sys_io_getevents); -cond_syscall(compat_sys_io_setup); -cond_syscall(compat_sys_io_submit); -cond_syscall(compat_sys_io_getevents); -cond_syscall(sys_sysfs); -cond_syscall(sys_syslog); -cond_syscall(sys_process_vm_readv); -cond_syscall(sys_process_vm_writev); -cond_syscall(compat_sys_process_vm_readv); -cond_syscall(compat_sys_process_vm_writev); -cond_syscall(sys_uselib); -cond_syscall(sys_fadvise64); -cond_syscall(sys_fadvise64_64); -cond_syscall(sys_madvise); -cond_syscall(sys_setuid); -cond_syscall(sys_setregid); -cond_syscall(sys_setgid); -cond_syscall(sys_setreuid); -cond_syscall(sys_setresuid); -cond_syscall(sys_getresuid); -cond_syscall(sys_setresgid); -cond_syscall(sys_getresgid); -cond_syscall(sys_setgroups); -cond_syscall(sys_getgroups); -cond_syscall(sys_setfsuid); -cond_syscall(sys_setfsgid); -cond_syscall(sys_capget); -cond_syscall(sys_capset); -cond_syscall(sys_copy_file_range); -/* arch-specific weak syscall entries */ -cond_syscall(sys_pciconfig_read); -cond_syscall(sys_pciconfig_write); -cond_syscall(sys_pciconfig_iobase); -cond_syscall(compat_sys_s390_ipc); -cond_syscall(ppc_rtas); -cond_syscall(sys_spu_run); -cond_syscall(sys_spu_create); -cond_syscall(sys_subpage_prot); -cond_syscall(sys_s390_pci_mmio_read); -cond_syscall(sys_s390_pci_mmio_write); +/* arch/example/kernel/sys_example.c */ -/* mmu depending weak syscall entries */ +/* mm/fadvise.c */ +cond_syscall(sys_fadvise64_64); + +/* mm/, CONFIG_MMU only */ +cond_syscall(sys_swapon); +cond_syscall(sys_swapoff); cond_syscall(sys_mprotect); cond_syscall(sys_msync); cond_syscall(sys_mlock); cond_syscall(sys_munlock); cond_syscall(sys_mlockall); cond_syscall(sys_munlockall); -cond_syscall(sys_mlock2); cond_syscall(sys_mincore); cond_syscall(sys_madvise); -cond_syscall(sys_mremap); cond_syscall(sys_remap_file_pages); -cond_syscall(compat_sys_move_pages); +cond_syscall(sys_mbind); +cond_syscall(compat_sys_mbind); +cond_syscall(sys_get_mempolicy); +cond_syscall(compat_sys_get_mempolicy); +cond_syscall(sys_set_mempolicy); +cond_syscall(compat_sys_set_mempolicy); +cond_syscall(sys_migrate_pages); cond_syscall(compat_sys_migrate_pages); +cond_syscall(sys_move_pages); +cond_syscall(compat_sys_move_pages); -/* block-layer dependent */ -cond_syscall(sys_bdflush); -cond_syscall(sys_ioprio_set); -cond_syscall(sys_ioprio_get); - -/* New file descriptors */ -cond_syscall(sys_signalfd); -cond_syscall(sys_signalfd4); -cond_syscall(compat_sys_signalfd); -cond_syscall(compat_sys_signalfd4); -cond_syscall(sys_timerfd_create); -cond_syscall(sys_timerfd_settime); -cond_syscall(sys_timerfd_gettime); -cond_syscall(compat_sys_timerfd_settime); -cond_syscall(compat_sys_timerfd_gettime); -cond_syscall(sys_eventfd); -cond_syscall(sys_eventfd2); -cond_syscall(sys_memfd_create); -cond_syscall(sys_userfaultfd); - -/* performance counters: */ cond_syscall(sys_perf_event_open); +cond_syscall(sys_accept4); +cond_syscall(sys_recvmmsg); +cond_syscall(compat_sys_recvmmsg); + +/* + * Architecture specific syscalls: see further below + */ -/* fanotify! */ +/* fanotify */ cond_syscall(sys_fanotify_init); cond_syscall(sys_fanotify_mark); -cond_syscall(compat_sys_fanotify_mark); /* open by handle */ cond_syscall(sys_name_to_handle_at); cond_syscall(sys_open_by_handle_at); cond_syscall(compat_sys_open_by_handle_at); +cond_syscall(sys_sendmmsg); +cond_syscall(compat_sys_sendmmsg); +cond_syscall(sys_process_vm_readv); +cond_syscall(compat_sys_process_vm_readv); +cond_syscall(sys_process_vm_writev); +cond_syscall(compat_sys_process_vm_writev); + /* compare kernel pointers */ cond_syscall(sys_kcmp); +cond_syscall(sys_finit_module); + /* operate on Secure Computing state */ cond_syscall(sys_seccomp); +cond_syscall(sys_memfd_create); + /* access BPF programs and maps */ cond_syscall(sys_bpf); /* execveat */ cond_syscall(sys_execveat); +cond_syscall(sys_userfaultfd); + /* membarrier */ cond_syscall(sys_membarrier); +cond_syscall(sys_mlock2); + +cond_syscall(sys_copy_file_range); + /* memory protection keys */ cond_syscall(sys_pkey_mprotect); cond_syscall(sys_pkey_alloc); cond_syscall(sys_pkey_free); + + +/* + * Architecture specific weak syscall entries. + */ + +/* pciconfig: alpha, arm, arm64, ia64, sparc */ +cond_syscall(sys_pciconfig_read); +cond_syscall(sys_pciconfig_write); +cond_syscall(sys_pciconfig_iobase); + +/* sys_socketcall: arm, mips, x86, ... */ +cond_syscall(sys_socketcall); +cond_syscall(compat_sys_socketcall); + +/* compat syscalls for arm64, x86, ... */ +cond_syscall(compat_sys_sysctl); +cond_syscall(compat_sys_fanotify_mark); + +/* x86 */ +cond_syscall(sys_vm86old); +cond_syscall(sys_modify_ldt); +cond_syscall(compat_sys_quotactl32); +cond_syscall(sys_vm86); +cond_syscall(sys_kexec_file_load); + +/* s390 */ +cond_syscall(sys_s390_pci_mmio_read); +cond_syscall(sys_s390_pci_mmio_write); +cond_syscall(compat_sys_s390_ipc); + +/* powerpc */ +cond_syscall(ppc_rtas); +cond_syscall(sys_spu_run); +cond_syscall(sys_spu_create); +cond_syscall(sys_subpage_prot); + + +/* + * Deprecated system calls which are still defined in + * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch + */ + +/* __ARCH_WANT_SYSCALL_NO_FLAGS */ +cond_syscall(sys_epoll_create); +cond_syscall(sys_inotify_init); +cond_syscall(sys_eventfd); +cond_syscall(sys_signalfd); +cond_syscall(compat_sys_signalfd); + +/* __ARCH_WANT_SYSCALL_OFF_T */ +cond_syscall(sys_fadvise64); + +/* __ARCH_WANT_SYSCALL_DEPRECATED */ +cond_syscall(sys_epoll_wait); +cond_syscall(sys_recv); +cond_syscall(compat_sys_recv); +cond_syscall(sys_send); +cond_syscall(sys_bdflush); +cond_syscall(sys_uselib); + + +/* + * The syscalls below are not found in include/uapi/asm-generic/unistd.h + */ + +/* obsolete: SGETMASK_SYSCALL */ +cond_syscall(sys_sgetmask); +cond_syscall(sys_ssetmask); + +/* obsolete: SYSFS_SYSCALL */ +cond_syscall(sys_sysfs); + +/* obsolete: __ARCH_WANT_SYS_IPC */ +cond_syscall(sys_ipc); +cond_syscall(compat_sys_ipc); + +/* obsolete: UID16 */ +cond_syscall(sys_chown16); +cond_syscall(sys_fchown16); +cond_syscall(sys_getegid16); +cond_syscall(sys_geteuid16); +cond_syscall(sys_getgid16); +cond_syscall(sys_getgroups16); +cond_syscall(sys_getresgid16); +cond_syscall(sys_getresuid16); +cond_syscall(sys_getuid16); +cond_syscall(sys_lchown16); +cond_syscall(sys_setfsgid16); +cond_syscall(sys_setfsuid16); +cond_syscall(sys_setgid16); +cond_syscall(sys_setgroups16); +cond_syscall(sys_setregid16); +cond_syscall(sys_setresgid16); +cond_syscall(sys_setresuid16); +cond_syscall(sys_setreuid16); +cond_syscall(sys_setuid16); -- 2.16.2
