From bfc0ca0d33e24fca5b89acb378a8a9712ffe22b6 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 18 Jun 2009 19:55:35 +0200
Subject: [PATCH] microblaze: remove sys_ipc
The ipc system call is now unused in microblaze,
as the system call table points directly to the
indidual system calls for IPC.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Michal Simek <monstr@monstr.eu>
---
arch/microblaze/kernel/sys_microblaze.c | 99 -------------------------
arch/microblaze/kernel/syscall_table.S | 2 +-
2 files changed, 1 insertion(+), 100 deletions(-)
diff --git a/arch/microblaze/kernel/sys_microblaze.c b/arch/microblaze/kernel/sys_microblaze.c
index e000bce09b2b..b96f1682bb24 100644
--- a/arch/microblaze/kernel/sys_microblaze.c
+++ b/arch/microblaze/kernel/sys_microblaze.c
@@ -33,105 +33,6 @@
#include <linux/unistd.h>
#include <asm/syscalls.h>
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly. This will be remove with new toolchain.
- */
-asmlinkage long
-sys_ipc(uint call, int first, int second, int third, void *ptr, long fifth)
-{
- int version, ret;
-
- version = call >> 16; /* hack for backward compatibility */
- call &= 0xffff;
-
- ret = -EINVAL;
- switch (call) {
- case SEMOP:
- ret = sys_semop(first, (struct sembuf *)ptr, second);
- break;
- case SEMGET:
- ret = sys_semget(first, second, third);
- break;
- case SEMCTL:
- {
- union semun fourth;
-
- if (!ptr)
- break;
- ret = (access_ok(VERIFY_READ, ptr, sizeof(long)) ? 0 : -EFAULT)
- || (get_user(fourth.__pad, (void **)ptr)) ;
- if (ret)
- break;
- ret = sys_semctl(first, second, third, fourth);
- break;
- }
- case MSGSND:
- ret = sys_msgsnd(first, (struct msgbuf *) ptr, second, third);
- break;
- case MSGRCV:
- switch (version) {
- case 0: {
- struct ipc_kludge tmp;
-
- if (!ptr)
- break;
- ret = (access_ok(VERIFY_READ, ptr, sizeof(tmp))
- ? 0 : -EFAULT) || copy_from_user(&tmp,
- (struct ipc_kludge *) ptr, sizeof(tmp));
- if (ret)
- break;
- ret = sys_msgrcv(first, tmp.msgp, second, tmp.msgtyp,
- third);
- break;
- }
- default:
- ret = sys_msgrcv(first, (struct msgbuf *) ptr,
- second, fifth, third);
- break;
- }
- break;
- case MSGGET:
- ret = sys_msgget((key_t) first, second);
- break;
- case MSGCTL:
- ret = sys_msgctl(first, second, (struct msqid_ds *) ptr);
- break;
- case SHMAT:
- switch (version) {
- default: {
- ulong raddr;
- ret = access_ok(VERIFY_WRITE, (ulong *) third,
- sizeof(ulong)) ? 0 : -EFAULT;
- if (ret)
- break;
- ret = do_shmat(first, (char *) ptr, second, &raddr);
- if (ret)
- break;
- ret = put_user(raddr, (ulong *) third);
- break;
- }
- case 1: /* iBCS2 emulator entry point */
- if (!segment_eq(get_fs(), get_ds()))
- break;
- ret = do_shmat(first, (char *) ptr, second,
- (ulong *) third);
- break;
- }
- break;
- case SHMDT:
- ret = sys_shmdt((char *)ptr);
- break;
- case SHMGET:
- ret = sys_shmget(first, second, third);
- break;
- case SHMCTL:
- ret = sys_shmctl(first, second, (struct shmid_ds *) ptr);
- break;
- }
- return ret;
-}
asmlinkage long microblaze_vfork(struct pt_regs *regs)
{
diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S
index 31b32a6c5f4e..216db817beb6 100644
--- a/arch/microblaze/kernel/syscall_table.S
+++ b/arch/microblaze/kernel/syscall_table.S
@@ -121,7 +121,7 @@ ENTRY(sys_call_table)
.long sys_wait4
.long sys_swapoff /* 115 */
.long sys_sysinfo
- .long sys_ipc
+ .long sys_ni_syscall /* old sys_ipc */
.long sys_fsync
.long sys_ni_syscall /* sys_sigreturn_wrapper */
.long sys_clone /* 120 */
--
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