Commit 26293b31 authored by Arnd Bergmann's avatar Arnd Bergmann

y2038: s390: Remove unneeded ipc uapi header files

The s390 msgbuf/sembuf/shmbuf header files are all identical to the
version from asm-generic.

This patch removes the files and replaces them with 'generic-y'
statements, to avoid having to modify each copy when we extend sysvipc
to deal with 64-bit time_t in 32-bit user space.

Note that unlike alpha and ia64, the ipcbuf.h header file is slightly
different here, so I'm leaving the private copy.

To deal with 32-bit compat tasks, we also have to adapt the definitions
of compat_{shm,sem,msg}id_ds to match the changes to the respective
asm-generic files.
Acked-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
parent 6f22a7f4
......@@ -232,10 +232,10 @@ struct compat_ipc64_perm {
struct compat_semid64_ds {
struct compat_ipc64_perm sem_perm;
compat_time_t sem_otime;
compat_ulong_t __pad1;
compat_time_t sem_ctime;
compat_ulong_t __pad2;
compat_ulong_t sem_otime;
compat_ulong_t sem_otime_high;
compat_ulong_t sem_ctime;
compat_ulong_t sem_ctime_high;
compat_ulong_t sem_nsems;
compat_ulong_t __unused1;
compat_ulong_t __unused2;
......@@ -243,12 +243,12 @@ struct compat_semid64_ds {
struct compat_msqid64_ds {
struct compat_ipc64_perm msg_perm;
compat_time_t msg_stime;
compat_ulong_t __pad1;
compat_time_t msg_rtime;
compat_ulong_t __pad2;
compat_time_t msg_ctime;
compat_ulong_t __pad3;
compat_ulong_t msg_stime;
compat_ulong_t msg_stime_high;
compat_ulong_t msg_rtime;
compat_ulong_t msg_rtime_high;
compat_ulong_t msg_ctime;
compat_ulong_t msg_ctime_high;
compat_ulong_t msg_cbytes;
compat_ulong_t msg_qnum;
compat_ulong_t msg_qbytes;
......@@ -261,12 +261,12 @@ struct compat_msqid64_ds {
struct compat_shmid64_ds {
struct compat_ipc64_perm shm_perm;
compat_size_t shm_segsz;
compat_time_t shm_atime;
compat_ulong_t __pad1;
compat_time_t shm_dtime;
compat_ulong_t __pad2;
compat_time_t shm_ctime;
compat_ulong_t __pad3;
compat_ulong_t shm_atime;
compat_ulong_t shm_atime_high;
compat_ulong_t shm_dtime;
compat_ulong_t shm_dtime_high;
compat_ulong_t shm_ctime;
compat_ulong_t shm_ctime_high;
compat_pid_t shm_cpid;
compat_pid_t shm_lpid;
compat_ulong_t shm_nattch;
......
......@@ -9,9 +9,12 @@ generic-y += errno.h
generic-y += fcntl.h
generic-y += ioctl.h
generic-y += mman.h
generic-y += msgbuf.h
generic-y += param.h
generic-y += poll.h
generic-y += resource.h
generic-y += sembuf.h
generic-y += shmbuf.h
generic-y += sockios.h
generic-y += swab.h
generic-y += termbits.h
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _S390_MSGBUF_H
#define _S390_MSGBUF_H
/*
* The msqid64_ds structure for S/390 architecture.
* Note extra padding because this structure is passed back and forth
* between kernel and user space.
*
* Pad space is left for:
* - 64-bit time_t to solve y2038 problem
* - 2 miscellaneous 32-bit values
*/
struct msqid64_ds {
struct ipc64_perm msg_perm;
__kernel_time_t msg_stime; /* last msgsnd time */
#ifndef __s390x__
unsigned long __unused1;
#endif /* ! __s390x__ */
__kernel_time_t msg_rtime; /* last msgrcv time */
#ifndef __s390x__
unsigned long __unused2;
#endif /* ! __s390x__ */
__kernel_time_t msg_ctime; /* last change time */
#ifndef __s390x__
unsigned long __unused3;
#endif /* ! __s390x__ */
unsigned long msg_cbytes; /* current number of bytes on queue */
unsigned long msg_qnum; /* number of messages in queue */
unsigned long msg_qbytes; /* max number of bytes on queue */
__kernel_pid_t msg_lspid; /* pid of last msgsnd */
__kernel_pid_t msg_lrpid; /* last receive pid */
unsigned long __unused4;
unsigned long __unused5;
};
#endif /* _S390_MSGBUF_H */
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _S390_SEMBUF_H
#define _S390_SEMBUF_H
/*
* The semid64_ds structure for S/390 architecture.
* Note extra padding because this structure is passed back and forth
* between kernel and user space.
*
* Pad space is left for:
* - 64-bit time_t to solve y2038 problem (for !__s390x__)
* - 2 miscellaneous 32-bit values
*/
struct semid64_ds {
struct ipc64_perm sem_perm; /* permissions .. see ipc.h */
__kernel_time_t sem_otime; /* last semop time */
#ifndef __s390x__
unsigned long __unused1;
#endif /* ! __s390x__ */
__kernel_time_t sem_ctime; /* last change time */
#ifndef __s390x__
unsigned long __unused2;
#endif /* ! __s390x__ */
unsigned long sem_nsems; /* no. of semaphores in array */
unsigned long __unused3;
unsigned long __unused4;
};
#endif /* _S390_SEMBUF_H */
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _S390_SHMBUF_H
#define _S390_SHMBUF_H
/*
* The shmid64_ds structure for S/390 architecture.
* Note extra padding because this structure is passed back and forth
* between kernel and user space.
*
* Pad space is left for:
* - 64-bit time_t to solve y2038 problem (for !__s390x__)
* - 2 miscellaneous 32-bit values
*/
struct shmid64_ds {
struct ipc64_perm shm_perm; /* operation perms */
size_t shm_segsz; /* size of segment (bytes) */
__kernel_time_t shm_atime; /* last attach time */
#ifndef __s390x__
unsigned long __unused1;
#endif /* ! __s390x__ */
__kernel_time_t shm_dtime; /* last detach time */
#ifndef __s390x__
unsigned long __unused2;
#endif /* ! __s390x__ */
__kernel_time_t shm_ctime; /* last change time */
#ifndef __s390x__
unsigned long __unused3;
#endif /* ! __s390x__ */
__kernel_pid_t shm_cpid; /* pid of creator */
__kernel_pid_t shm_lpid; /* pid of last operator */
unsigned long shm_nattch; /* no. of current attaches */
unsigned long __unused4;
unsigned long __unused5;
};
struct shminfo64 {
unsigned long shmmax;
unsigned long shmmin;
unsigned long shmmni;
unsigned long shmseg;
unsigned long shmall;
unsigned long __unused1;
unsigned long __unused2;
unsigned long __unused3;
unsigned long __unused4;
};
#endif /* _S390_SHMBUF_H */
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