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ipc: rename old-style shmctl/semctl/msgctl syscalls

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The behavior of these system calls is slightly different between
architectures, as determined by the CONFIG_ARCH_WANT_IPC_PARSE_VERSION
symbol. Most architectures that implement the split IPC syscalls don't set
that symbol and only get the modern version, but alpha, arm, microblaze,
mips-n32, mips-n64 and xtensa expect the caller to pass the IPC_64 flag.

For the architectures that so far only implement sys_ipc(), i.e. m68k,
mips-o32, powerpc, s390, sh, sparc, and x86-32, we want the new behavior
when adding the split syscalls, so we need to distinguish between the
two groups of architectures.

The method I picked for this distinction is to have a separate system call
entry point: sys_old_*ctl() now uses ipc_parse_version, while sys_*ctl()
does not. The system call tables of the five architectures are changed
accordingly.

As an additional benefit, we no longer need the configuration specific
definition for ipc_parse_version(), it always does the same thing now,
but simply won't get called on architectures with the modern interface.

A small downside is that on architectures that do set
ARCH_WANT_IPC_PARSE_VERSION, we now have an extra set of entry points
that are never called. They only add a few bytes of bloat, so it seems
better to keep them compared to adding yet another Kconfig symbol.
I considered adding new syscall numbers for the IPC_64 variants for
consistency, but decided against that for now.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2018-12-31 22:22:40 +01:00
parent 73a66023c9
commit 275f22148e
14 changed files with 137 additions and 62 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/alpha/kernel/syscalls/syscall.tbl
View File

@ -174,17 +174,17 @@
187 common osf_alt_sigpending sys_ni_syscall
188 common osf_alt_setsid sys_ni_syscall
199 common osf_swapon sys_swapon
200 common msgctl sys_msgctl
200 common msgctl sys_old_msgctl
201 common msgget sys_msgget
202 common msgrcv sys_msgrcv
203 common msgsnd sys_msgsnd
204 common semctl sys_semctl
204 common semctl sys_old_semctl
205 common semget sys_semget
206 common semop sys_semop
207 common osf_utsname sys_osf_utsname
208 common lchown sys_lchown
209 common shmat sys_shmat
210 common shmctl sys_shmctl
210 common shmctl sys_old_shmctl
211 common shmdt sys_shmdt
212 common shmget sys_shmget
213 common osf_mvalid sys_ni_syscall

6
arch/arm/tools/syscall.tbl
View File

@ -314,15 +314,15 @@
297 common recvmsg sys_recvmsg
298 common semop sys_semop sys_oabi_semop
299 common semget sys_semget
300 common semctl sys_semctl
300 common semctl sys_old_semctl
301 common msgsnd sys_msgsnd
302 common msgrcv sys_msgrcv
303 common msgget sys_msgget
304 common msgctl sys_msgctl
304 common msgctl sys_old_msgctl
305 common shmat sys_shmat
306 common shmdt sys_shmdt
307 common shmget sys_shmget
308 common shmctl sys_shmctl
308 common shmctl sys_old_shmctl
309 common add_key sys_add_key
310 common request_key sys_request_key
311 common keyctl sys_keyctl

6
arch/arm64/include/asm/unistd32.h
View File

@ -622,7 +622,7 @@ __SYSCALL(__NR_semop, sys_semop)
#define __NR_semget 299
__SYSCALL(__NR_semget, sys_semget)
#define __NR_semctl 300
__SYSCALL(__NR_semctl, compat_sys_semctl)
__SYSCALL(__NR_semctl, compat_sys_old_semctl)
#define __NR_msgsnd 301
__SYSCALL(__NR_msgsnd, compat_sys_msgsnd)
#define __NR_msgrcv 302
@ -630,7 +630,7 @@ __SYSCALL(__NR_msgrcv, compat_sys_msgrcv)
#define __NR_msgget 303
__SYSCALL(__NR_msgget, sys_msgget)
#define __NR_msgctl 304
__SYSCALL(__NR_msgctl, compat_sys_msgctl)
__SYSCALL(__NR_msgctl, compat_sys_old_msgctl)
#define __NR_shmat 305
__SYSCALL(__NR_shmat, compat_sys_shmat)
#define __NR_shmdt 306
@ -638,7 +638,7 @@ __SYSCALL(__NR_shmdt, sys_shmdt)
#define __NR_shmget 307
__SYSCALL(__NR_shmget, sys_shmget)
#define __NR_shmctl 308
__SYSCALL(__NR_shmctl, compat_sys_shmctl)
__SYSCALL(__NR_shmctl, compat_sys_old_shmctl)
#define __NR_add_key 309
__SYSCALL(__NR_add_key, sys_add_key)
#define __NR_request_key 310

6
arch/microblaze/kernel/syscalls/syscall.tbl
View File

@ -335,15 +335,15 @@
325 common semtimedop sys_semtimedop
326 common timerfd_settime sys_timerfd_settime
327 common timerfd_gettime sys_timerfd_gettime
328 common semctl sys_semctl
328 common semctl sys_old_semctl
329 common semget sys_semget
330 common semop sys_semop
331 common msgctl sys_msgctl
331 common msgctl sys_old_msgctl
332 common msgget sys_msgget
333 common msgrcv sys_msgrcv
334 common msgsnd sys_msgsnd
335 common shmat sys_shmat
336 common shmctl sys_shmctl
336 common shmctl sys_old_shmctl
337 common shmdt sys_shmdt
338 common shmget sys_shmget
339 common signalfd4 sys_signalfd4

6
arch/mips/kernel/syscalls/syscall_n32.tbl
View File

@ -37,7 +37,7 @@
27 n32 madvise sys_madvise
28 n32 shmget sys_shmget
29 n32 shmat sys_shmat
30 n32 shmctl compat_sys_shmctl
30 n32 shmctl compat_sys_old_shmctl
31 n32 dup sys_dup
32 n32 dup2 sys_dup2
33 n32 pause sys_pause
@ -71,12 +71,12 @@
61 n32 uname sys_newuname
62 n32 semget sys_semget
63 n32 semop sys_semop
64 n32 semctl compat_sys_semctl
64 n32 semctl compat_sys_old_semctl
65 n32 shmdt sys_shmdt
66 n32 msgget sys_msgget
67 n32 msgsnd compat_sys_msgsnd
68 n32 msgrcv compat_sys_msgrcv
69 n32 msgctl compat_sys_msgctl
69 n32 msgctl compat_sys_old_msgctl
70 n32 fcntl compat_sys_fcntl
71 n32 flock sys_flock
72 n32 fsync sys_fsync

6
arch/mips/kernel/syscalls/syscall_n64.tbl
View File

@ -37,7 +37,7 @@
27 n64 madvise sys_madvise
28 n64 shmget sys_shmget
29 n64 shmat sys_shmat
30 n64 shmctl sys_shmctl
30 n64 shmctl sys_old_shmctl
31 n64 dup sys_dup
32 n64 dup2 sys_dup2
33 n64 pause sys_pause
@ -71,12 +71,12 @@
61 n64 uname sys_newuname
62 n64 semget sys_semget
63 n64 semop sys_semop
64 n64 semctl sys_semctl
64 n64 semctl sys_old_semctl
65 n64 shmdt sys_shmdt
66 n64 msgget sys_msgget
67 n64 msgsnd sys_msgsnd
68 n64 msgrcv sys_msgrcv
69 n64 msgctl sys_msgctl
69 n64 msgctl sys_old_msgctl
70 n64 fcntl sys_fcntl
71 n64 flock sys_flock
72 n64 fsync sys_fsync

6
arch/xtensa/kernel/syscalls/syscall.tbl
View File

@ -103,7 +103,7 @@
91 common madvise sys_madvise
92 common shmget sys_shmget
93 common shmat xtensa_shmat
94 common shmctl sys_shmctl
94 common shmctl sys_old_shmctl
95 common shmdt sys_shmdt
# Socket Operations
96 common socket sys_socket
@ -177,12 +177,12 @@
161 common semtimedop sys_semtimedop
162 common semget sys_semget
163 common semop sys_semop
164 common semctl sys_semctl
164 common semctl sys_old_semctl
165 common available165 sys_ni_syscall
166 common msgget sys_msgget
167 common msgsnd sys_msgsnd
168 common msgrcv sys_msgrcv
169 common msgctl sys_msgctl
169 common msgctl sys_old_msgctl
170 common available170 sys_ni_syscall
# File System
171 common umount2 sys_umount

3
include/linux/syscalls.h
View File

@ -717,6 +717,7 @@ asmlinkage long sys_mq_getsetattr(mqd_t mqdes, const struct mq_attr __user *mqst
/* ipc/msg.c */
asmlinkage long sys_msgget(key_t key, int msgflg);
asmlinkage long sys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
asmlinkage long sys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
asmlinkage long sys_msgrcv(int msqid, struct msgbuf __user *msgp,
size_t msgsz, long msgtyp, int msgflg);
@ -726,6 +727,7 @@ asmlinkage long sys_msgsnd(int msqid, struct msgbuf __user *msgp,
/* ipc/sem.c */
asmlinkage long sys_semget(key_t key, int nsems, int semflg);
asmlinkage long sys_semctl(int semid, int semnum, int cmd, unsigned long arg);
asmlinkage long sys_old_semctl(int semid, int semnum, int cmd, unsigned long arg);
asmlinkage long sys_semtimedop(int semid, struct sembuf __user *sops,
unsigned nsops,
const struct __kernel_timespec __user *timeout);
@ -734,6 +736,7 @@ asmlinkage long sys_semop(int semid, struct sembuf __user *sops,
/* ipc/shm.c */
asmlinkage long sys_shmget(key_t key, size_t size, int flag);
asmlinkage long sys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg);
asmlinkage long sys_shmdt(char __user *shmaddr);

39
ipc/msg.c
View File

@ -567,9 +567,8 @@ out_unlock:
return err;
}
long ksys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf)
static long ksys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf, int version)
{
int version;
struct ipc_namespace *ns;
struct msqid64_ds msqid64;
int err;
@ -577,7 +576,6 @@ long ksys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf)
if (msqid < 0 || cmd < 0)
return -EINVAL;
version = ipc_parse_version(&cmd);
ns = current->nsproxy->ipc_ns;
switch (cmd) {
@ -613,9 +611,23 @@ long ksys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf)
SYSCALL_DEFINE3(msgctl, int, msqid, int, cmd, struct msqid_ds __user *, buf)
{
return ksys_msgctl(msqid, cmd, buf);
return ksys_msgctl(msqid, cmd, buf, IPC_64);
}
#ifdef CONFIG_ARCH_WANT_IPC_PARSE_VERSION
long ksys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf)
{
int version = ipc_parse_version(&cmd);
return ksys_msgctl(msqid, cmd, buf, version);
}
SYSCALL_DEFINE3(old_msgctl, int, msqid, int, cmd, struct msqid_ds __user *, buf)
{
return ksys_old_msgctl(msqid, cmd, buf);
}
#endif
#ifdef CONFIG_COMPAT
struct compat_msqid_ds {
@ -689,12 +701,11 @@ static int copy_compat_msqid_to_user(void __user *buf, struct msqid64_ds *in,
}
}
long compat_ksys_msgctl(int msqid, int cmd, void __user *uptr)
static long compat_ksys_msgctl(int msqid, int cmd, void __user *uptr, int version)
{
struct ipc_namespace *ns;
int err;
struct msqid64_ds msqid64;
int version = compat_ipc_parse_version(&cmd);
ns = current->nsproxy->ipc_ns;
@ -734,8 +745,22 @@ long compat_ksys_msgctl(int msqid, int cmd, void __user *uptr)
COMPAT_SYSCALL_DEFINE3(msgctl, int, msqid, int, cmd, void __user *, uptr)
{
return compat_ksys_msgctl(msqid, cmd, uptr);
return compat_ksys_msgctl(msqid, cmd, uptr, IPC_64);
}
#ifdef CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION
long compat_ksys_old_msgctl(int msqid, int cmd, void __user *uptr)
{
int version = compat_ipc_parse_version(&cmd);
return compat_ksys_msgctl(msqid, cmd, uptr, version);
}
COMPAT_SYSCALL_DEFINE3(old_msgctl, int, msqid, int, cmd, void __user *, uptr)
{
return compat_ksys_old_msgctl(msqid, cmd, uptr);
}
#endif
#endif
static int testmsg(struct msg_msg *msg, long type, int mode)

39
ipc/sem.c
View File

@ -1634,9 +1634,8 @@ out_up:
return err;
}
long ksys_semctl(int semid, int semnum, int cmd, unsigned long arg)
static long ksys_semctl(int semid, int semnum, int cmd, unsigned long arg, int version)
{
int version;
struct ipc_namespace *ns;
void __user *p = (void __user *)arg;
struct semid64_ds semid64;
@ -1645,7 +1644,6 @@ long ksys_semctl(int semid, int semnum, int cmd, unsigned long arg)
if (semid < 0)
return -EINVAL;
version = ipc_parse_version(&cmd);
ns = current->nsproxy->ipc_ns;
switch (cmd) {
@ -1691,9 +1689,23 @@ long ksys_semctl(int semid, int semnum, int cmd, unsigned long arg)
SYSCALL_DEFINE4(semctl, int, semid, int, semnum, int, cmd, unsigned long, arg)
{
return ksys_semctl(semid, semnum, cmd, arg);
return ksys_semctl(semid, semnum, cmd, arg, IPC_64);
}
#ifdef CONFIG_ARCH_WANT_IPC_PARSE_VERSION
long ksys_old_semctl(int semid, int semnum, int cmd, unsigned long arg)
{
int version = ipc_parse_version(&cmd);
return ksys_semctl(semid, semnum, cmd, arg, version);
}
SYSCALL_DEFINE4(old_semctl, int, semid, int, semnum, int, cmd, unsigned long, arg)
{
return ksys_old_semctl(semid, semnum, cmd, arg);
}
#endif
#ifdef CONFIG_COMPAT
struct compat_semid_ds {
@ -1744,12 +1756,11 @@ static int copy_compat_semid_to_user(void __user *buf, struct semid64_ds *in,
}
}
long compat_ksys_semctl(int semid, int semnum, int cmd, int arg)
static long compat_ksys_semctl(int semid, int semnum, int cmd, int arg, int version)
{
void __user *p = compat_ptr(arg);
struct ipc_namespace *ns;
struct semid64_ds semid64;
int version = compat_ipc_parse_version(&cmd);
int err;
ns = current->nsproxy->ipc_ns;
@ -1792,8 +1803,22 @@ long compat_ksys_semctl(int semid, int semnum, int cmd, int arg)
COMPAT_SYSCALL_DEFINE4(semctl, int, semid, int, semnum, int, cmd, int, arg)
{
return compat_ksys_semctl(semid, semnum, cmd, arg);
return compat_ksys_semctl(semid, semnum, cmd, arg, IPC_64);
}
#ifdef CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION
long compat_ksys_old_semctl(int semid, int semnum, int cmd, int arg)
{
int version = compat_ipc_parse_version(&cmd);
return compat_ksys_semctl(semid, semnum, cmd, arg, version);
}
COMPAT_SYSCALL_DEFINE4(old_semctl, int, semid, int, semnum, int, cmd, int, arg)
{
return compat_ksys_old_semctl(semid, semnum, cmd, arg);
}
#endif
#endif
/* If the task doesn't already have a undo_list, then allocate one

40
ipc/shm.c
View File

@ -1137,16 +1137,15 @@ out_unlock1:
return err;
}
long ksys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf)
static long ksys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf, int version)
{
int err, version;
int err;
struct ipc_namespace *ns;
struct shmid64_ds sem64;
if (cmd < 0 || shmid < 0)
return -EINVAL;
version = ipc_parse_version(&cmd);
ns = current->nsproxy->ipc_ns;
switch (cmd) {
@ -1194,9 +1193,23 @@ long ksys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf)
SYSCALL_DEFINE3(shmctl, int, shmid, int, cmd, struct shmid_ds __user *, buf)
{
return ksys_shmctl(shmid, cmd, buf);
return ksys_shmctl(shmid, cmd, buf, IPC_64);
}
#ifdef CONFIG_ARCH_WANT_IPC_PARSE_VERSION
long ksys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf)
{
int version = ipc_parse_version(&cmd);
return ksys_shmctl(shmid, cmd, buf, version);
}
SYSCALL_DEFINE3(old_shmctl, int, shmid, int, cmd, struct shmid_ds __user *, buf)
{
return ksys_old_shmctl(shmid, cmd, buf);
}
#endif
#ifdef CONFIG_COMPAT
struct compat_shmid_ds {
@ -1319,11 +1332,10 @@ static int copy_compat_shmid_from_user(struct shmid64_ds *out, void __user *buf,
}
}
long compat_ksys_shmctl(int shmid, int cmd, void __user *uptr)
long compat_ksys_shmctl(int shmid, int cmd, void __user *uptr, int version)
{
struct ipc_namespace *ns;
struct shmid64_ds sem64;
int version = compat_ipc_parse_version(&cmd);
int err;
ns = current->nsproxy->ipc_ns;
@ -1378,8 +1390,22 @@ long compat_ksys_shmctl(int shmid, int cmd, void __user *uptr)
COMPAT_SYSCALL_DEFINE3(shmctl, int, shmid, int, cmd, void __user *, uptr)
{
return compat_ksys_shmctl(shmid, cmd, uptr);
return compat_ksys_shmctl(shmid, cmd, uptr, IPC_64);
}
#ifdef CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION
long compat_ksys_old_shmctl(int shmid, int cmd, void __user *uptr)
{
int version = compat_ipc_parse_version(&cmd);
return compat_ksys_shmctl(shmid, cmd, uptr, version);
}
COMPAT_SYSCALL_DEFINE3(old_shmctl, int, shmid, int, cmd, void __user *, uptr)
{
return compat_ksys_old_shmctl(shmid, cmd, uptr);
}
#endif
#endif
/*

12
ipc/syscall.c
View File

@ -47,7 +47,7 @@ int ksys_ipc(unsigned int call, int first, unsigned long second,
return -EINVAL;
if (get_user(arg, (unsigned long __user *) ptr))
return -EFAULT;
return ksys_semctl(first, second, third, arg);
return ksys_old_semctl(first, second, third, arg);
}
case MSGSND:
@ -75,7 +75,7 @@ int ksys_ipc(unsigned int call, int first, unsigned long second,
case MSGGET:
return ksys_msgget((key_t) first, second);
case MSGCTL:
return ksys_msgctl(first, second,
return ksys_old_msgctl(first, second,
(struct msqid_ds __user *)ptr);
case SHMAT:
@ -100,7 +100,7 @@ int ksys_ipc(unsigned int call, int first, unsigned long second,
case SHMGET:
return ksys_shmget(first, second, third);
case SHMCTL:
return ksys_shmctl(first, second,
return ksys_old_shmctl(first, second,
(struct shmid_ds __user *) ptr);
default:
return -ENOSYS;
@ -152,7 +152,7 @@ int compat_ksys_ipc(u32 call, int first, int second,
return -EINVAL;
if (get_user(pad, (u32 __user *) compat_ptr(ptr)))
return -EFAULT;
return compat_ksys_semctl(first, second, third, pad);
return compat_ksys_old_semctl(first, second, third, pad);
case MSGSND:
return compat_ksys_msgsnd(first, ptr, second, third);
@ -177,7 +177,7 @@ int compat_ksys_ipc(u32 call, int first, int second,
case MSGGET:
return ksys_msgget(first, second);
case MSGCTL:
return compat_ksys_msgctl(first, second, compat_ptr(ptr));
return compat_ksys_old_msgctl(first, second, compat_ptr(ptr));
case SHMAT: {
int err;
@ -196,7 +196,7 @@ int compat_ksys_ipc(u32 call, int first, int second,
case SHMGET:
return ksys_shmget(first, (unsigned int)second, third);
case SHMCTL:
return compat_ksys_shmctl(first, second, compat_ptr(ptr));
return compat_ksys_old_shmctl(first, second, compat_ptr(ptr));
}
return -ENOSYS;

21
ipc/util.h
View File

@ -160,10 +160,7 @@ static inline void ipc_update_pid(struct pid **pos, struct pid *pid)
}
}
#ifndef CONFIG_ARCH_WANT_IPC_PARSE_VERSION
/* On IA-64, we always use the "64-bit version" of the IPC structures. */
# define ipc_parse_version(cmd) IPC_64
#else
#ifdef CONFIG_ARCH_WANT_IPC_PARSE_VERSION
int ipc_parse_version(int *cmd);
#endif
@ -246,13 +243,9 @@ int get_compat_ipc64_perm(struct ipc64_perm *,
static inline int compat_ipc_parse_version(int *cmd)
{
#ifdef CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION
int version = *cmd & IPC_64;
*cmd &= ~IPC_64;
return version;
#else
return IPC_64;
#endif
}
#endif
@ -261,29 +254,29 @@ long ksys_semtimedop(int semid, struct sembuf __user *tsops,
unsigned int nsops,
const struct __kernel_timespec __user *timeout);
long ksys_semget(key_t key, int nsems, int semflg);
long ksys_semctl(int semid, int semnum, int cmd, unsigned long arg);
long ksys_old_semctl(int semid, int semnum, int cmd, unsigned long arg);
long ksys_msgget(key_t key, int msgflg);
long ksys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
long ksys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
long ksys_msgrcv(int msqid, struct msgbuf __user *msgp, size_t msgsz,
long msgtyp, int msgflg);
long ksys_msgsnd(int msqid, struct msgbuf __user *msgp, size_t msgsz,
int msgflg);
long ksys_shmget(key_t key, size_t size, int shmflg);
long ksys_shmdt(char __user *shmaddr);
long ksys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
long ksys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
/* for CONFIG_ARCH_WANT_OLD_COMPAT_IPC */
long compat_ksys_semtimedop(int semid, struct sembuf __user *tsems,
unsigned int nsops,
const struct old_timespec32 __user *timeout);
#ifdef CONFIG_COMPAT
long compat_ksys_semctl(int semid, int semnum, int cmd, int arg);
long compat_ksys_msgctl(int msqid, int cmd, void __user *uptr);
long compat_ksys_old_semctl(int semid, int semnum, int cmd, int arg);
long compat_ksys_old_msgctl(int msqid, int cmd, void __user *uptr);
long compat_ksys_msgrcv(int msqid, compat_uptr_t msgp, compat_ssize_t msgsz,
compat_long_t msgtyp, int msgflg);
long compat_ksys_msgsnd(int msqid, compat_uptr_t msgp,
compat_ssize_t msgsz, int msgflg);
long compat_ksys_shmctl(int shmid, int cmd, void __user *uptr);
long compat_ksys_old_shmctl(int shmid, int cmd, void __user *uptr);
#endif /* CONFIG_COMPAT */
#endif

3
kernel/sys_ni.c
View File

@ -197,6 +197,7 @@ COND_SYSCALL_COMPAT(mq_getsetattr);
/* ipc/msg.c */
COND_SYSCALL(msgget);
COND_SYSCALL(old_msgctl);
COND_SYSCALL(msgctl);
COND_SYSCALL_COMPAT(msgctl);
COND_SYSCALL(msgrcv);
@ -206,6 +207,7 @@ COND_SYSCALL_COMPAT(msgsnd);
/* ipc/sem.c */
COND_SYSCALL(semget);
COND_SYSCALL(old_semctl);
COND_SYSCALL(semctl);
COND_SYSCALL_COMPAT(semctl);
COND_SYSCALL(semtimedop);
@ -214,6 +216,7 @@ COND_SYSCALL(semop);
/* ipc/shm.c */
COND_SYSCALL(shmget);
COND_SYSCALL(old_shmctl);
COND_SYSCALL(shmctl);
COND_SYSCALL_COMPAT(shmctl);
COND_SYSCALL(shmat);