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linux_dsm_epyc7002/kernel/sys_ni.c
Xiaoming Ni 88db0aa242 all arch: remove system call sys_sysctl 
Since commit 61a47c1ad3 ("sysctl: Remove the sysctl system call"),
sys_sysctl is actually unavailable: any input can only return an error.

We have been warning about people using the sysctl system call for years
and believe there are no more users.  Even if there are users of this
interface if they have not complained or fixed their code by now they
probably are not going to, so there is no point in warning them any
longer.

So completely remove sys_sysctl on all architectures.

[nixiaoming@huawei.com: s390: fix build error for sys_call_table_emu]
 Link: http://lkml.kernel.org/r/20200618141426.16884-1-nixiaoming@huawei.com

Signed-off-by: Xiaoming Ni <nixiaoming@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Will Deacon <will@kernel.org>		[arm/arm64]
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Aleksa Sarai <cyphar@cyphar.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Bin Meng <bin.meng@windriver.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: chenzefeng <chenzefeng2@huawei.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Christian Brauner <christian@brauner.io>
Cc: Chris Zankel <chris@zankel.net>
Cc: David Howells <dhowells@redhat.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Diego Elio Pettenò <flameeyes@flameeyes.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Helge Deller <deller@gmx.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Iurii Zaikin <yzaikin@google.com>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kars de Jong <jongk@linux-m68k.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: Marco Elver <elver@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Miklos Szeredi <mszeredi@redhat.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Nick Piggin <npiggin@gmail.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Olof Johansson <olof@lixom.net>
Cc: Paul Burton <paulburton@kernel.org>
Cc: "Paul E. McKenney" <paulmck@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Rich Felker <dalias@libc.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Sami Tolvanen <samitolvanen@google.com>
Cc: Sargun Dhillon <sargun@sargun.me>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: Sven Schnelle <svens@stackframe.org>
Cc: Thiago Jung Bauermann <bauerman@linux.ibm.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Zhou Yanjie <zhouyanjie@wanyeetech.com>
Link: http://lkml.kernel.org/r/20200616030734.87257-1-nixiaoming@huawei.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-14 19:56:56 -07:00

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// SPDX-License-Identifier: GPL-2.0
#include <linux/linkage.h>
#include <linux/errno.h>
#include <asm/unistd.h>
#ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
/* Architectures may override COND_SYSCALL and COND_SYSCALL_COMPAT */
#include <asm/syscall_wrapper.h>
#endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
/* we can't #include <linux/syscalls.h> here,
but tell gcc to not warn with -Wmissing-prototypes */
asmlinkage long sys_ni_syscall(void);
/*
* Non-implemented system calls get redirected here.
*/
asmlinkage long sys_ni_syscall(void)
{
return -ENOSYS;
}
#ifndef COND_SYSCALL
#define COND_SYSCALL(name) cond_syscall(sys_##name)
#endif /* COND_SYSCALL */
#ifndef COND_SYSCALL_COMPAT
#define COND_SYSCALL_COMPAT(name) cond_syscall(compat_sys_##name)
#endif /* COND_SYSCALL_COMPAT */
/*
* 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(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_time32);
COND_SYSCALL(io_getevents);
COND_SYSCALL(io_pgetevents_time32);
COND_SYSCALL(io_pgetevents);
COND_SYSCALL_COMPAT(io_pgetevents_time32);
COND_SYSCALL_COMPAT(io_pgetevents);
COND_SYSCALL(io_uring_setup);
COND_SYSCALL(io_uring_enter);
COND_SYSCALL(io_uring_register);
/* fs/xattr.c */
/* fs/dcache.c */
/* fs/cookies.c */
COND_SYSCALL(lookup_dcookie);
COND_SYSCALL_COMPAT(lookup_dcookie);
/* fs/eventfd.c */
COND_SYSCALL(eventfd2);
/* fs/eventfd.c */
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(inotify_init1);
COND_SYSCALL(inotify_add_watch);
COND_SYSCALL(inotify_rm_watch);
/* fs/ioctl.c */
/* fs/ioprio.c */
COND_SYSCALL(ioprio_set);
COND_SYSCALL(ioprio_get);
/* fs/locks.c */
COND_SYSCALL(flock);
/* fs/namei.c */
/* fs/namespace.c */
/* fs/nfsctl.c */
/* fs/open.c */
/* fs/pipe.c */
/* fs/quota.c */
COND_SYSCALL(quotactl);
/* fs/readdir.c */
/* fs/read_write.c */
/* fs/sendfile.c */
/* fs/select.c */
/* fs/signalfd.c */
COND_SYSCALL(signalfd4);
COND_SYSCALL_COMPAT(signalfd4);
/* fs/splice.c */
/* fs/stat.c */
/* fs/sync.c */
/* fs/timerfd.c */
COND_SYSCALL(timerfd_create);
COND_SYSCALL(timerfd_settime);
COND_SYSCALL(timerfd_settime32);
COND_SYSCALL(timerfd_gettime);
COND_SYSCALL(timerfd_gettime32);
/* fs/utimes.c */
/* kernel/acct.c */
COND_SYSCALL(acct);
/* kernel/capability.c */
COND_SYSCALL(capget);
COND_SYSCALL(capset);
/* kernel/exec_domain.c */
/* kernel/exit.c */
/* kernel/fork.c */
/* __ARCH_WANT_SYS_CLONE3 */
COND_SYSCALL(clone3);
/* kernel/futex.c */
COND_SYSCALL(futex);
COND_SYSCALL(futex_time32);
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(kexec_load);
COND_SYSCALL_COMPAT(kexec_load);
/* kernel/module.c */
COND_SYSCALL(init_module);
COND_SYSCALL(delete_module);
/* kernel/posix-timers.c */
/* kernel/printk.c */
COND_SYSCALL(syslog);
/* kernel/ptrace.c */
/* kernel/sched/core.c */
/* kernel/sys.c */
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(mq_open);
COND_SYSCALL_COMPAT(mq_open);
COND_SYSCALL(mq_unlink);
COND_SYSCALL(mq_timedsend);
COND_SYSCALL(mq_timedsend_time32);
COND_SYSCALL(mq_timedreceive);
COND_SYSCALL(mq_timedreceive_time32);
COND_SYSCALL(mq_notify);
COND_SYSCALL_COMPAT(mq_notify);
COND_SYSCALL(mq_getsetattr);
COND_SYSCALL_COMPAT(mq_getsetattr);
/* ipc/msg.c */
COND_SYSCALL(msgget);
COND_SYSCALL(old_msgctl);
COND_SYSCALL(msgctl);
COND_SYSCALL_COMPAT(msgctl);
COND_SYSCALL_COMPAT(old_msgctl);
COND_SYSCALL(msgrcv);
COND_SYSCALL_COMPAT(msgrcv);
COND_SYSCALL(msgsnd);
COND_SYSCALL_COMPAT(msgsnd);
/* ipc/sem.c */
COND_SYSCALL(semget);
COND_SYSCALL(old_semctl);
COND_SYSCALL(semctl);
COND_SYSCALL_COMPAT(semctl);
COND_SYSCALL_COMPAT(old_semctl);
COND_SYSCALL(semtimedop);
COND_SYSCALL(semtimedop_time32);
COND_SYSCALL(semop);
/* ipc/shm.c */
COND_SYSCALL(shmget);
COND_SYSCALL(old_shmctl);
COND_SYSCALL(shmctl);
COND_SYSCALL_COMPAT(shmctl);
COND_SYSCALL_COMPAT(old_shmctl);
COND_SYSCALL(shmat);
COND_SYSCALL_COMPAT(shmat);
COND_SYSCALL(shmdt);
/* net/socket.c */
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(mremap);
/* security/keys/keyctl.c */
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(fadvise64_64);
/* mm/, CONFIG_MMU only */
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(perf_event_open);
COND_SYSCALL(accept4);
COND_SYSCALL(recvmmsg);
COND_SYSCALL(recvmmsg_time32);
COND_SYSCALL_COMPAT(recvmmsg_time32);
COND_SYSCALL_COMPAT(recvmmsg_time64);
/*
* Architecture specific syscalls: see further below
*/
/* fanotify */
COND_SYSCALL(fanotify_init);
COND_SYSCALL(fanotify_mark);
/* open by handle */
COND_SYSCALL(name_to_handle_at);
COND_SYSCALL(open_by_handle_at);
COND_SYSCALL_COMPAT(open_by_handle_at);
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(kcmp);
COND_SYSCALL(finit_module);
/* operate on Secure Computing state */
COND_SYSCALL(seccomp);
COND_SYSCALL(memfd_create);
/* access BPF programs and maps */
COND_SYSCALL(bpf);
/* execveat */
COND_SYSCALL(execveat);
COND_SYSCALL(userfaultfd);
/* membarrier */
COND_SYSCALL(membarrier);
COND_SYSCALL(mlock2);
COND_SYSCALL(copy_file_range);
/* memory protection keys */
COND_SYSCALL(pkey_mprotect);
COND_SYSCALL(pkey_alloc);
COND_SYSCALL(pkey_free);
/*
* Architecture specific weak syscall entries.
*/
/* pciconfig: alpha, arm, arm64, ia64, sparc */
COND_SYSCALL(pciconfig_read);
COND_SYSCALL(pciconfig_write);
COND_SYSCALL(pciconfig_iobase);
/* sys_socketcall: arm, mips, x86, ... */
COND_SYSCALL(socketcall);
COND_SYSCALL_COMPAT(socketcall);
/* compat syscalls for arm64, x86, ... */
COND_SYSCALL_COMPAT(fanotify_mark);
/* x86 */
COND_SYSCALL(vm86old);
COND_SYSCALL(modify_ldt);
COND_SYSCALL_COMPAT(quotactl32);
COND_SYSCALL(vm86);
COND_SYSCALL(kexec_file_load);
/* s390 */
COND_SYSCALL(s390_pci_mmio_read);
COND_SYSCALL(s390_pci_mmio_write);
COND_SYSCALL(s390_ipc);
COND_SYSCALL_COMPAT(s390_ipc);
/* powerpc */
COND_SYSCALL(rtas);
COND_SYSCALL(spu_run);
COND_SYSCALL(spu_create);
COND_SYSCALL(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(epoll_create);
COND_SYSCALL(inotify_init);
COND_SYSCALL(eventfd);
COND_SYSCALL(signalfd);
COND_SYSCALL_COMPAT(signalfd);
/* __ARCH_WANT_SYSCALL_OFF_T */
COND_SYSCALL(fadvise64);
/* __ARCH_WANT_SYSCALL_DEPRECATED */
COND_SYSCALL(epoll_wait);
COND_SYSCALL(recv);
COND_SYSCALL_COMPAT(recv);
COND_SYSCALL(send);
COND_SYSCALL(bdflush);
COND_SYSCALL(uselib);
/* optional: time32 */
COND_SYSCALL(time32);
COND_SYSCALL(stime32);
COND_SYSCALL(utime32);
COND_SYSCALL(adjtimex_time32);
COND_SYSCALL(sched_rr_get_interval_time32);
COND_SYSCALL(nanosleep_time32);
COND_SYSCALL(rt_sigtimedwait_time32);
COND_SYSCALL_COMPAT(rt_sigtimedwait_time32);
COND_SYSCALL(timer_settime32);
COND_SYSCALL(timer_gettime32);
COND_SYSCALL(clock_settime32);
COND_SYSCALL(clock_gettime32);
COND_SYSCALL(clock_getres_time32);
COND_SYSCALL(clock_nanosleep_time32);
COND_SYSCALL(utimes_time32);
COND_SYSCALL(futimesat_time32);
COND_SYSCALL(pselect6_time32);
COND_SYSCALL_COMPAT(pselect6_time32);
COND_SYSCALL(ppoll_time32);
COND_SYSCALL_COMPAT(ppoll_time32);
COND_SYSCALL(utimensat_time32);
COND_SYSCALL(clock_adjtime32);
/*
* The syscalls below are not found in include/uapi/asm-generic/unistd.h
*/
/* obsolete: SGETMASK_SYSCALL */
COND_SYSCALL(sgetmask);
COND_SYSCALL(ssetmask);
/* obsolete: SYSFS_SYSCALL */
COND_SYSCALL(sysfs);
/* obsolete: __ARCH_WANT_SYS_IPC */
COND_SYSCALL(ipc);
COND_SYSCALL_COMPAT(ipc);
/* obsolete: UID16 */
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);
/* restartable sequence */
COND_SYSCALL(rseq);
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