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: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 0 insertions, 38 deletions

diff --git a/arch/s390/include/uapi/asm/msgbuf.h b/arch/s390/include/uapi/asm/msgbuf.h
deleted file mode 100644
index 604f847cd68c..000000000000
--- a/arch/s390/include/uapi/asm/msgbuf.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/* 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 */