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kernel/sys_ni: remove {sys_,sys_compat} from cond_syscall definitions

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This keeps it in line with the SYSCALL_DEFINEx() / COMPAT_SYSCALL_DEFINEx()
calling convention.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
This commit is contained in:
Dominik Brodowski 2018-03-04 19:06:35 +01:00
parent 70dd4b3160
commit 67a7acd377
2 changed files with 218 additions and 215 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/process/adding-syscalls.rst
View File

@ -222,7 +222,7 @@ your new syscall number may get adjusted to resolve conflicts.
The file ``kernel/sys_ni.c`` provides a fallback stub implementation of each
system call, returning ``-ENOSYS``. Add your new system call here too::
cond_syscall(sys_xyzzy);
COND_SYSCALL(xyzzy);
Your new kernel functionality, and the system call that controls it, should
normally be optional, so add a ``CONFIG`` option (typically to

431
kernel/sys_ni.c
View File

@ -17,53 +17,56 @@ asmlinkage long sys_ni_syscall(void)
return -ENOSYS;
}
#define COND_SYSCALL(name) cond_syscall(sys_##name)
#define COND_SYSCALL_COMPAT(name) cond_syscall(compat_sys_##name)
/*
* 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);
COND_SYSCALL(io_setup);
COND_SYSCALL_COMPAT(io_setup);
COND_SYSCALL(io_destroy);
COND_SYSCALL(io_submit);
COND_SYSCALL_COMPAT(io_submit);
COND_SYSCALL(io_cancel);
COND_SYSCALL(io_getevents);
COND_SYSCALL_COMPAT(io_getevents);
/* fs/xattr.c */
/* fs/dcache.c */
/* fs/cookies.c */
cond_syscall(sys_lookup_dcookie);
cond_syscall(compat_sys_lookup_dcookie);
COND_SYSCALL(lookup_dcookie);
COND_SYSCALL_COMPAT(lookup_dcookie);
/* fs/eventfd.c */
cond_syscall(sys_eventfd2);
COND_SYSCALL(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);
COND_SYSCALL(epoll_create1);
COND_SYSCALL(epoll_ctl);
COND_SYSCALL(epoll_pwait);
COND_SYSCALL_COMPAT(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);
COND_SYSCALL(inotify_init1);
COND_SYSCALL(inotify_add_watch);
COND_SYSCALL(inotify_rm_watch);
/* fs/ioctl.c */
/* fs/ioprio.c */
cond_syscall(sys_ioprio_set);
cond_syscall(sys_ioprio_get);
COND_SYSCALL(ioprio_set);
COND_SYSCALL(ioprio_get);
/* fs/locks.c */
cond_syscall(sys_flock);
COND_SYSCALL(flock);
/* fs/namei.c */
@ -76,7 +79,7 @@ cond_syscall(sys_flock);
/* fs/pipe.c */
/* fs/quota.c */
cond_syscall(sys_quotactl);
COND_SYSCALL(quotactl);
/* fs/readdir.c */
@ -87,8 +90,8 @@ cond_syscall(sys_quotactl);
/* fs/select.c */
/* fs/signalfd.c */
cond_syscall(sys_signalfd4);
cond_syscall(compat_sys_signalfd4);
COND_SYSCALL(signalfd4);
COND_SYSCALL_COMPAT(signalfd4);
/* fs/splice.c */
@ -97,20 +100,20 @@ cond_syscall(compat_sys_signalfd4);
/* 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);
COND_SYSCALL(timerfd_create);
COND_SYSCALL(timerfd_settime);
COND_SYSCALL_COMPAT(timerfd_settime);
COND_SYSCALL(timerfd_gettime);
COND_SYSCALL_COMPAT(timerfd_gettime);
/* fs/utimes.c */
/* kernel/acct.c */
cond_syscall(sys_acct);
COND_SYSCALL(acct);
/* kernel/capability.c */
cond_syscall(sys_capget);
cond_syscall(sys_capset);
COND_SYSCALL(capget);
COND_SYSCALL(capset);
/* kernel/exec_domain.c */
@ -119,29 +122,29 @@ cond_syscall(sys_capset);
/* 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);
COND_SYSCALL(futex);
COND_SYSCALL_COMPAT(futex);
COND_SYSCALL(set_robust_list);
COND_SYSCALL_COMPAT(set_robust_list);
COND_SYSCALL(get_robust_list);
COND_SYSCALL_COMPAT(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(kexec_load);
COND_SYSCALL_COMPAT(kexec_load);
/* kernel/module.c */
cond_syscall(sys_init_module);
cond_syscall(sys_delete_module);
COND_SYSCALL(init_module);
COND_SYSCALL(delete_module);
/* kernel/posix-timers.c */
/* kernel/printk.c */
cond_syscall(sys_syslog);
COND_SYSCALL(syslog);
/* kernel/ptrace.c */
@ -150,176 +153,176 @@ cond_syscall(sys_syslog);
/* 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);
COND_SYSCALL(setregid);
COND_SYSCALL(setgid);
COND_SYSCALL(setreuid);
COND_SYSCALL(setuid);
COND_SYSCALL(setresuid);
COND_SYSCALL(getresuid);
COND_SYSCALL(setresgid);
COND_SYSCALL(getresgid);
COND_SYSCALL(setfsuid);
COND_SYSCALL(setfsgid);
COND_SYSCALL(setgroups);
COND_SYSCALL(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);
COND_SYSCALL(mq_open);
COND_SYSCALL_COMPAT(mq_open);
COND_SYSCALL(mq_unlink);
COND_SYSCALL(mq_timedsend);
COND_SYSCALL_COMPAT(mq_timedsend);
COND_SYSCALL(mq_timedreceive);
COND_SYSCALL_COMPAT(mq_timedreceive);
COND_SYSCALL(mq_notify);
COND_SYSCALL_COMPAT(mq_notify);
COND_SYSCALL(mq_getsetattr);
COND_SYSCALL_COMPAT(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);
COND_SYSCALL(msgget);
COND_SYSCALL(msgctl);
COND_SYSCALL_COMPAT(msgctl);
COND_SYSCALL(msgrcv);
COND_SYSCALL_COMPAT(msgrcv);
COND_SYSCALL(msgsnd);
COND_SYSCALL_COMPAT(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);
COND_SYSCALL(semget);
COND_SYSCALL(semctl);
COND_SYSCALL_COMPAT(semctl);
COND_SYSCALL(semtimedop);
COND_SYSCALL_COMPAT(semtimedop);
COND_SYSCALL(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);
COND_SYSCALL(shmget);
COND_SYSCALL(shmctl);
COND_SYSCALL_COMPAT(shmctl);
COND_SYSCALL(shmat);
COND_SYSCALL_COMPAT(shmat);
COND_SYSCALL(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_connect);
cond_syscall(sys_getsockname);
cond_syscall(sys_getpeername);
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(compat_sys_sendmsg);
cond_syscall(sys_recvmsg);
cond_syscall(compat_sys_recvmsg);
COND_SYSCALL(socket);
COND_SYSCALL(socketpair);
COND_SYSCALL(bind);
COND_SYSCALL(listen);
COND_SYSCALL(accept);
COND_SYSCALL(connect);
COND_SYSCALL(getsockname);
COND_SYSCALL(getpeername);
COND_SYSCALL(setsockopt);
COND_SYSCALL_COMPAT(setsockopt);
COND_SYSCALL(getsockopt);
COND_SYSCALL_COMPAT(getsockopt);
COND_SYSCALL(sendto);
COND_SYSCALL(shutdown);
COND_SYSCALL(recvfrom);
COND_SYSCALL_COMPAT(recvfrom);
COND_SYSCALL(sendmsg);
COND_SYSCALL_COMPAT(sendmsg);
COND_SYSCALL(recvmsg);
COND_SYSCALL_COMPAT(recvmsg);
/* mm/filemap.c */
/* mm/nommu.c, also with MMU */
cond_syscall(sys_mremap);
COND_SYSCALL(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(add_key);
COND_SYSCALL(request_key);
COND_SYSCALL(keyctl);
COND_SYSCALL_COMPAT(keyctl);
/* arch/example/kernel/sys_example.c */
/* mm/fadvise.c */
cond_syscall(sys_fadvise64_64);
COND_SYSCALL(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_mincore);
cond_syscall(sys_madvise);
cond_syscall(sys_remap_file_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);
COND_SYSCALL(swapon);
COND_SYSCALL(swapoff);
COND_SYSCALL(mprotect);
COND_SYSCALL(msync);
COND_SYSCALL(mlock);
COND_SYSCALL(munlock);
COND_SYSCALL(mlockall);
COND_SYSCALL(munlockall);
COND_SYSCALL(mincore);
COND_SYSCALL(madvise);
COND_SYSCALL(remap_file_pages);
COND_SYSCALL(mbind);
COND_SYSCALL_COMPAT(mbind);
COND_SYSCALL(get_mempolicy);
COND_SYSCALL_COMPAT(get_mempolicy);
COND_SYSCALL(set_mempolicy);
COND_SYSCALL_COMPAT(set_mempolicy);
COND_SYSCALL(migrate_pages);
COND_SYSCALL_COMPAT(migrate_pages);
COND_SYSCALL(move_pages);
COND_SYSCALL_COMPAT(move_pages);
cond_syscall(sys_perf_event_open);
cond_syscall(sys_accept4);
cond_syscall(sys_recvmmsg);
cond_syscall(compat_sys_recvmmsg);
COND_SYSCALL(perf_event_open);
COND_SYSCALL(accept4);
COND_SYSCALL(recvmmsg);
COND_SYSCALL_COMPAT(recvmmsg);
/*
* Architecture specific syscalls: see further below
*/
/* fanotify */
cond_syscall(sys_fanotify_init);
cond_syscall(sys_fanotify_mark);
COND_SYSCALL(fanotify_init);
COND_SYSCALL(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(name_to_handle_at);
COND_SYSCALL(open_by_handle_at);
COND_SYSCALL_COMPAT(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);
COND_SYSCALL(sendmmsg);
COND_SYSCALL_COMPAT(sendmmsg);
COND_SYSCALL(process_vm_readv);
COND_SYSCALL_COMPAT(process_vm_readv);
COND_SYSCALL(process_vm_writev);
COND_SYSCALL_COMPAT(process_vm_writev);
/* compare kernel pointers */
cond_syscall(sys_kcmp);
COND_SYSCALL(kcmp);
cond_syscall(sys_finit_module);
COND_SYSCALL(finit_module);
/* operate on Secure Computing state */
cond_syscall(sys_seccomp);
COND_SYSCALL(seccomp);
cond_syscall(sys_memfd_create);
COND_SYSCALL(memfd_create);
/* access BPF programs and maps */
cond_syscall(sys_bpf);
COND_SYSCALL(bpf);
/* execveat */
cond_syscall(sys_execveat);
COND_SYSCALL(execveat);
cond_syscall(sys_userfaultfd);
COND_SYSCALL(userfaultfd);
/* membarrier */
cond_syscall(sys_membarrier);
COND_SYSCALL(membarrier);
cond_syscall(sys_mlock2);
COND_SYSCALL(mlock2);
cond_syscall(sys_copy_file_range);
COND_SYSCALL(copy_file_range);
/* memory protection keys */
cond_syscall(sys_pkey_mprotect);
cond_syscall(sys_pkey_alloc);
cond_syscall(sys_pkey_free);
COND_SYSCALL(pkey_mprotect);
COND_SYSCALL(pkey_alloc);
COND_SYSCALL(pkey_free);
/*
@ -327,35 +330,35 @@ cond_syscall(sys_pkey_free);
*/
/* pciconfig: alpha, arm, arm64, ia64, sparc */
cond_syscall(sys_pciconfig_read);
cond_syscall(sys_pciconfig_write);
cond_syscall(sys_pciconfig_iobase);
COND_SYSCALL(pciconfig_read);
COND_SYSCALL(pciconfig_write);
COND_SYSCALL(pciconfig_iobase);
/* sys_socketcall: arm, mips, x86, ... */
cond_syscall(sys_socketcall);
cond_syscall(compat_sys_socketcall);
COND_SYSCALL(socketcall);
COND_SYSCALL_COMPAT(socketcall);
/* compat syscalls for arm64, x86, ... */
cond_syscall(compat_sys_sysctl);
cond_syscall(compat_sys_fanotify_mark);
COND_SYSCALL_COMPAT(sysctl);
COND_SYSCALL_COMPAT(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);
COND_SYSCALL(vm86old);
COND_SYSCALL(modify_ldt);
COND_SYSCALL_COMPAT(quotactl32);
COND_SYSCALL(vm86);
COND_SYSCALL(kexec_file_load);
/* s390 */
cond_syscall(sys_s390_pci_mmio_read);
cond_syscall(sys_s390_pci_mmio_write);
cond_syscall(compat_sys_s390_ipc);
COND_SYSCALL(s390_pci_mmio_read);
COND_SYSCALL(s390_pci_mmio_write);
COND_SYSCALL_COMPAT(s390_ipc);
/* powerpc */
cond_syscall(ppc_rtas);
cond_syscall(sys_spu_run);
cond_syscall(sys_spu_create);
cond_syscall(sys_subpage_prot);
COND_SYSCALL(spu_run);
COND_SYSCALL(spu_create);
COND_SYSCALL(subpage_prot);
/*
@ -364,22 +367,22 @@ cond_syscall(sys_subpage_prot);
*/
/* __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);
COND_SYSCALL(epoll_create);
COND_SYSCALL(inotify_init);
COND_SYSCALL(eventfd);
COND_SYSCALL(signalfd);
COND_SYSCALL_COMPAT(signalfd);
/* __ARCH_WANT_SYSCALL_OFF_T */
cond_syscall(sys_fadvise64);
COND_SYSCALL(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);
COND_SYSCALL(epoll_wait);
COND_SYSCALL(recv);
COND_SYSCALL_COMPAT(recv);
COND_SYSCALL(send);
COND_SYSCALL(bdflush);
COND_SYSCALL(uselib);
/*
@ -387,33 +390,33 @@ cond_syscall(sys_uselib);
*/
/* obsolete: SGETMASK_SYSCALL */
cond_syscall(sys_sgetmask);
cond_syscall(sys_ssetmask);
COND_SYSCALL(sgetmask);
COND_SYSCALL(ssetmask);
/* obsolete: SYSFS_SYSCALL */
cond_syscall(sys_sysfs);
COND_SYSCALL(sysfs);
/* obsolete: __ARCH_WANT_SYS_IPC */
cond_syscall(sys_ipc);
cond_syscall(compat_sys_ipc);
COND_SYSCALL(ipc);
COND_SYSCALL_COMPAT(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);
COND_SYSCALL(chown16);
COND_SYSCALL(fchown16);
COND_SYSCALL(getegid16);
COND_SYSCALL(geteuid16);
COND_SYSCALL(getgid16);
COND_SYSCALL(getgroups16);
COND_SYSCALL(getresgid16);
COND_SYSCALL(getresuid16);
COND_SYSCALL(getuid16);
COND_SYSCALL(lchown16);
COND_SYSCALL(setfsgid16);
COND_SYSCALL(setfsuid16);
COND_SYSCALL(setgid16);
COND_SYSCALL(setgroups16);
COND_SYSCALL(setregid16);
COND_SYSCALL(setresgid16);
COND_SYSCALL(setresuid16);
COND_SYSCALL(setreuid16);
COND_SYSCALL(setuid16);