powerpc: Merge syscalls.c and sys_ppc32.c.

Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/powerpc/kernel/Makefile

@@ -11,7 +11,7 @@ CFLAGS_btext.o		+= -fPIC
 endif
 
 obj-y				:= semaphore.o cputable.o ptrace.o
-obj-$(CONFIG_PPC64)		+= binfmt_elf32.o
+obj-$(CONFIG_PPC64)		+= binfmt_elf32.o sys_ppc32.o
 obj-$(CONFIG_ALTIVEC)		+= vecemu.o vector.o
 obj-$(CONFIG_POWER4)		+= idle_power4.o
 obj-$(CONFIG_PPC_OF)		+= of_device.o
@@ -30,7 +30,7 @@ extra-$(CONFIG_PPC_FPU)		+= fpu.o
 extra-y				+= vmlinux.lds
 
 obj-y				+= process.o init_task.o \
-				   prom.o systbl.o traps.o
+				   prom.o systbl.o traps.o syscalls.o
 obj-$(CONFIG_PPC32)		+= entry_32.o setup_32.o misc_32.o
 obj-$(CONFIG_PPC64)		+= setup_64.o misc_64.o
 obj-$(CONFIG_PPC_OF)		+= prom_init.o
@@ -44,7 +44,7 @@ endif
 
 else
 # stuff used from here for ARCH=ppc or ARCH=ppc64
-obj-$(CONFIG_PPC64)		+= traps.o process.o init_task.o
+obj-$(CONFIG_PPC64)		+= traps.o process.o init_task.o syscalls.o
 
 fpux-$(CONFIG_PPC32)		+= fpu.o
 extra-$(CONFIG_PPC_FPU)		+= $(fpux-y)

arch/powerpc/kernel/sys_ppc32.c

@@ -985,54 +985,6 @@ asmlinkage long sys32_sysctl(struct __sysctl_args32 __user *args)
 }
 #endif
 
-asmlinkage int sys32_uname(struct old_utsname __user * name)
-{
-	int err = 0;
-	
-	down_read(&uts_sem);
-	if (copy_to_user(name, &system_utsname, sizeof(*name)))
-		err = -EFAULT;
-	up_read(&uts_sem);
-	if (!err && personality(current->personality) == PER_LINUX32) {
-		/* change "ppc64" to "ppc" */
-		if (__put_user(0, name->machine + 3)
-		    || __put_user(0, name->machine + 4))
-			err = -EFAULT;
-	}
-	return err;
-}
-
-asmlinkage int sys32_olduname(struct oldold_utsname __user * name)
-{
-	int error;
-
-	if (!access_ok(VERIFY_WRITE,name,sizeof(struct oldold_utsname)))
-		return -EFAULT;
-  
-	down_read(&uts_sem);
-	error = __copy_to_user(&name->sysname,&system_utsname.sysname,__OLD_UTS_LEN);
-	error |= __put_user(0,name->sysname+__OLD_UTS_LEN);
-	error |= __copy_to_user(&name->nodename,&system_utsname.nodename,__OLD_UTS_LEN);
-	error |= __put_user(0,name->nodename+__OLD_UTS_LEN);
-	error |= __copy_to_user(&name->release,&system_utsname.release,__OLD_UTS_LEN);
-	error |= __put_user(0,name->release+__OLD_UTS_LEN);
-	error |= __copy_to_user(&name->version,&system_utsname.version,__OLD_UTS_LEN);
-	error |= __put_user(0,name->version+__OLD_UTS_LEN);
-	error |= __copy_to_user(&name->machine,&system_utsname.machine,__OLD_UTS_LEN);
-	error |= __put_user(0,name->machine+__OLD_UTS_LEN);
-	if (personality(current->personality) == PER_LINUX32) {
-		/* change "ppc64" to "ppc" */
-		error |= __put_user(0, name->machine + 3);
-		error |= __put_user(0, name->machine + 4);
-	}
-	
-	up_read(&uts_sem);
-
-	error = error ? -EFAULT : 0;
-	
-	return error;
-}
-
 unsigned long sys32_mmap2(unsigned long addr, size_t len,
 			  unsigned long prot, unsigned long flags,
 			  unsigned long fd, unsigned long pgoff)

arch/powerpc/kernel/syscalls.c

@@ -1,7 +1,6 @@
 /*
- * linux/arch/ppc64/kernel/sys_ppc.c
+ *  Implementation of various system calls for Linux/PowerPC
  *
- *  PowerPC version 
  *    Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
  *
  * Derived from "arch/i386/kernel/sys_i386.c"
@@ -52,9 +51,8 @@ extern unsigned long wall_jiffies;
  *
  * This is really horribly ugly.
  */
-asmlinkage int 
+int sys_ipc(uint call, int first, unsigned long second, long third,
-sys_ipc (uint call, int first, unsigned long second, long third,
+	    void __user *ptr, long fifth)
-	 void __user *ptr, long fifth)
 {
 	int version, ret;
 
@@ -88,7 +86,7 @@ sys_ipc (uint call, int first, unsigned long second, long third,
 	}
 	case MSGSND:
 		ret = sys_msgsnd(first, (struct msgbuf __user *)ptr,
-				  (size_t)second, third);
+				 (size_t)second, third);
 		break;
 	case MSGRCV:
 		switch (version) {
@@ -113,41 +111,29 @@ sys_ipc (uint call, int first, unsigned long second, long third,
 		}
 		break;
 	case MSGGET:
-		ret = sys_msgget ((key_t)first, (int)second);
+		ret = sys_msgget((key_t)first, (int)second);
 		break;
 	case MSGCTL:
 		ret = sys_msgctl(first, (int)second,
 				  (struct msqid_ds __user *)ptr);
 		break;
-	case SHMAT:
+	case SHMAT: {
-		switch (version) {
+		ulong raddr;
-		default: {
+		ret = do_shmat(first, (char __user *)ptr, (int)second, &raddr);
-			ulong raddr;
+		if (ret)
-			ret = do_shmat(first, (char __user *) ptr,
-					(int)second, &raddr);
-			if (ret)
-				break;
-			ret = put_user (raddr, (ulong __user *) third);
 			break;
-		}
+		ret = put_user(raddr, (ulong __user *) third);
-		case 1:	/* iBCS2 emulator entry point */
-			ret = -EINVAL;
-			if (!segment_eq(get_fs(), get_ds()))
-				break;
-			ret = do_shmat(first, (char __user *)ptr,
-					(int)second, (ulong *)third);
-			break;
-		}
 		break;
+	}
 	case SHMDT:
-		ret = sys_shmdt ((char __user *)ptr);
+		ret = sys_shmdt((char __user *)ptr);
 		break;
 	case SHMGET:
-		ret = sys_shmget (first, (size_t)second, third);
+		ret = sys_shmget(first, (size_t)second, third);
 		break;
 	case SHMCTL:
 		ret = sys_shmctl(first, (int)second,
-				  (struct shmid_ds __user *)ptr);
+				 (struct shmid_ds __user *)ptr);
 		break;
 	}
 
@@ -158,7 +144,7 @@ sys_ipc (uint call, int first, unsigned long second, long third,
  * sys_pipe() is the normal C calling standard for creating
  * a pipe. It's not the way unix traditionally does this, though.
  */
-asmlinkage int sys_pipe(int __user *fildes)
+int sys_pipe(int __user *fildes)
 {
 	int fd[2];
 	int error;
@@ -168,33 +154,79 @@ asmlinkage int sys_pipe(int __user *fildes)
 		if (copy_to_user(fildes, fd, 2*sizeof(int)))
 			error = -EFAULT;
 	}
-	
 	return error;
 }
 
-unsigned long sys_mmap(unsigned long addr, size_t len,
+static inline unsigned long do_mmap2(unsigned long addr, size_t len,
-		       unsigned long prot, unsigned long flags,
+			unsigned long prot, unsigned long flags,
-		       unsigned long fd, off_t offset)
+			unsigned long fd, unsigned long off, int shift)
 {
 	struct file * file = NULL;
-	unsigned long ret = -EBADF;
+	int ret = -EINVAL;
 
+	if (shift) {
+		if (off & ((1 << shift) - 1))
+			goto out;
+		off >>= shift;
+	}
+		
+	ret = -EBADF;
 	if (!(flags & MAP_ANONYMOUS)) {
 		if (!(file = fget(fd)))
 			goto out;
 	}
 
 	flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
+
 	down_write(&current->mm->mmap_sem);
-	ret = do_mmap(file, addr, len, prot, flags, offset);
+	ret = do_mmap_pgoff(file, addr, len, prot, flags, off);
 	up_write(&current->mm->mmap_sem);
 	if (file)
 		fput(file);
-
 out:
 	return ret;
 }
 
+unsigned long sys_mmap2(unsigned long addr, size_t len,
+			unsigned long prot, unsigned long flags,
+			unsigned long fd, unsigned long pgoff)
+{
+	return do_mmap2(addr, len, prot, flags, fd, pgoff, PAGE_SHIFT-12);
+}
+
+unsigned long sys_mmap(unsigned long addr, size_t len,
+		       unsigned long prot, unsigned long flags,
+		       unsigned long fd, off_t offset)
+{
+	return do_mmap2(addr, len, prot, flags, fd, offset, PAGE_SHIFT);
+}
+
+#ifdef CONFIG_PPC32
+/*
+ * Due to some executables calling the wrong select we sometimes
+ * get wrong args.  This determines how the args are being passed
+ * (a single ptr to them all args passed) then calls
+ * sys_select() with the appropriate args. -- Cort
+ */
+int
+ppc_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp, struct timeval __user *tvp)
+{
+	if ( (unsigned long)n >= 4096 )
+	{
+		unsigned long __user *buffer = (unsigned long __user *)n;
+		if (!access_ok(VERIFY_READ, buffer, 5*sizeof(unsigned long))
+		    || __get_user(n, buffer)
+		    || __get_user(inp, ((fd_set __user * __user *)(buffer+1)))
+		    || __get_user(outp, ((fd_set  __user * __user *)(buffer+2)))
+		    || __get_user(exp, ((fd_set  __user * __user *)(buffer+3)))
+		    || __get_user(tvp, ((struct timeval  __user * __user *)(buffer+4))))
+			return -EFAULT;
+	}
+	return sys_select(n, inp, outp, exp, tvp);
+}
+#endif
+
+#ifdef CONFIG_PPC64
 long ppc64_personality(unsigned long personality)
 {
 	long ret;
@@ -207,8 +239,25 @@ long ppc64_personality(unsigned long personality)
 		ret = PER_LINUX;
 	return ret;
 }
+#endif
 
-long ppc64_newuname(struct new_utsname __user * name)
+#ifdef CONFIG_PPC64
+#define OVERRIDE_MACHINE    (personality(current->personality) == PER_LINUX32)
+#else
+#define OVERRIDE_MACHINE    0
+#endif
+
+static inline int override_machine(char *mach)
+{
+	if (OVERRIDE_MACHINE) {
+		/* change ppc64 to ppc */
+		if (__put_user(0, mach+3) || __put_user(0, mach+4))
+			return -EFAULT;
+	}
+	return 0;
+}
+
+long ppc_newuname(struct new_utsname __user * name)
 {
 	int err = 0;
 
@@ -216,16 +265,54 @@ long ppc64_newuname(struct new_utsname __user * name)
 	if (copy_to_user(name, &system_utsname, sizeof(*name)))
 		err = -EFAULT;
 	up_read(&uts_sem);
-	if (!err && personality(current->personality) == PER_LINUX32) {
+	if (!err)
-		/* change ppc64 to ppc */
+		err = override_machine(name->machine);
-		if (__put_user(0, name->machine + 3)
-		    || __put_user(0, name->machine + 4))
-			err = -EFAULT;
-	}
 	return err;
 }
 
-asmlinkage time_t sys64_time(time_t __user * tloc)
+int sys_uname(struct old_utsname __user *name)
+{
+	int err = 0;
+	
+	down_read(&uts_sem);
+	if (copy_to_user(name, &system_utsname, sizeof(*name)))
+		err = -EFAULT;
+	up_read(&uts_sem);
+	if (!err)
+		err = override_machine(name->machine);
+	return err;
+}
+
+int sys_olduname(struct oldold_utsname __user *name)
+{
+	int error;
+
+	if (!access_ok(VERIFY_WRITE, name, sizeof(struct oldold_utsname)))
+		return -EFAULT;
+  
+	down_read(&uts_sem);
+	error = __copy_to_user(&name->sysname, &system_utsname.sysname,
+			       __OLD_UTS_LEN);
+	error |= __put_user(0, name->sysname + __OLD_UTS_LEN);
+	error |= __copy_to_user(&name->nodename, &system_utsname.nodename,
+				__OLD_UTS_LEN);
+	error |= __put_user(0, name->nodename + __OLD_UTS_LEN);
+	error |= __copy_to_user(&name->release, &system_utsname.release,
+				__OLD_UTS_LEN);
+	error |= __put_user(0, name->release + __OLD_UTS_LEN);
+	error |= __copy_to_user(&name->version, &system_utsname.version,
+				__OLD_UTS_LEN);
+	error |= __put_user(0, name->version + __OLD_UTS_LEN);
+	error |= __copy_to_user(&name->machine, &system_utsname.machine,
+				__OLD_UTS_LEN);
+	error |= override_machine(name->machine);
+	up_read(&uts_sem);
+
+	return error? -EFAULT: 0;
+}
+
+#ifdef CONFIG_PPC64
+time_t sys64_time(time_t __user * tloc)
 {
 	time_t secs;
 	time_t usecs;
@@ -247,6 +334,7 @@ asmlinkage time_t sys64_time(time_t __user * tloc)
 
 	return secs;
 }
+#endif
 
 void do_show_syscall(unsigned long r3, unsigned long r4, unsigned long r5,
 		     unsigned long r6, unsigned long r7, unsigned long r8,

arch/powerpc/kernel/systbl.S

@@ -102,7 +102,7 @@ COMPAT_SYS(fcntl)
 SYSCALL(ni_syscall)
 SYSCALL32(setpgid)
 SYSCALL(ni_syscall)
-SYS32ONLY(olduname)
+SYSX(sys_ni_syscall,sys_olduname, sys_olduname)
 SYSCALL32(umask)
 SYSCALL(chroot)
 SYSCALL(ustat)
@@ -152,7 +152,7 @@ COMPAT_SYS(getitimer)
 COMPAT_SYS(newstat)
 COMPAT_SYS(newlstat)
 COMPAT_SYS(newfstat)
-SYSX(sys_ni_syscall,sys32_uname,sys_uname)
+SYSX(sys_ni_syscall,sys_uname,sys_uname)
 SYSCALL(ni_syscall)
 SYSCALL(vhangup)
 SYSCALL(ni_syscall)
@@ -165,7 +165,7 @@ SYSCALL(fsync)
 SYSX(sys_ni_syscall,ppc32_sigreturn,sys_sigreturn)
 PPC_SYS(clone)
 SYSCALL32(setdomainname)
-SYSX(ppc64_newuname,ppc64_newuname,sys_newuname)
+PPC_SYS(newuname)
 SYSCALL(ni_syscall)
 SYSCALL32(adjtimex)
 SYSCALL(mprotect)

arch/ppc/kernel/Makefile

@@ -38,8 +38,7 @@ endif
 
 else
 obj-y				:= irq.o idle.o time.o \
-					signal.o align.o \
+					signal.o align.o perfmon.o
-					syscalls.o perfmon.o
 obj-$(CONFIG_6xx)		+= l2cr.o cpu_setup_6xx.o
 obj-$(CONFIG_SOFTWARE_SUSPEND)	+= swsusp.o
 obj-$(CONFIG_MODULES)		+= module.o

arch/ppc/kernel/syscalls.c

@@ -1,268 +0,0 @@
-/*
- * arch/ppc/kernel/sys_ppc.c
- *
- *  PowerPC version
- *    Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
- *
- * Derived from "arch/i386/kernel/sys_i386.c"
- * Adapted from the i386 version by Gary Thomas
- * Modified by Cort Dougan (cort@cs.nmt.edu)
- * and Paul Mackerras (paulus@cs.anu.edu.au).
- *
- * This file contains various random system calls that
- * have a non-standard calling sequence on the Linux/PPC
- * platform.
- *
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU General Public License
- *  as published by the Free Software Foundation; either version
- *  2 of the License, or (at your option) any later version.
- *
- */
-
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/smp.h>
-#include <linux/smp_lock.h>
-#include <linux/sem.h>
-#include <linux/msg.h>
-#include <linux/shm.h>
-#include <linux/stat.h>
-#include <linux/syscalls.h>
-#include <linux/mman.h>
-#include <linux/sys.h>
-#include <linux/ipc.h>
-#include <linux/utsname.h>
-#include <linux/file.h>
-#include <linux/unistd.h>
-
-#include <asm/uaccess.h>
-#include <asm/ipc.h>
-#include <asm/semaphore.h>
-
-
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-int
-sys_ipc (uint call, int first, int second, int third, void __user *ptr, long fifth)
-{
-	int version, ret;
-
-	version = call >> 16; /* hack for backward compatibility */
-	call &= 0xffff;
-
-	ret = -ENOSYS;
-	switch (call) {
-	case SEMOP:
-		ret = sys_semtimedop (first, (struct sembuf __user *)ptr,
-				      second, NULL);
-		break;
-	case SEMTIMEDOP:
-		ret = sys_semtimedop (first, (struct sembuf __user *)ptr,
-				      second, (const struct timespec __user *) fifth);
-		break;
-	case SEMGET:
-		ret = sys_semget (first, second, third);
-		break;
-	case SEMCTL: {
-		union semun fourth;
-
-		if (!ptr)
-			break;
-		if ((ret = access_ok(VERIFY_READ, ptr, sizeof(long)) ? 0 : -EFAULT)
-		    || (ret = get_user(fourth.__pad, (void __user *__user *)ptr)))
-			break;
-		ret = sys_semctl (first, second, third, fourth);
-		break;
-		}
-	case MSGSND:
-		ret = sys_msgsnd (first, (struct msgbuf __user *) ptr, second, third);
-		break;
-	case MSGRCV:
-		switch (version) {
-		case 0: {
-			struct ipc_kludge tmp;
-
-			if (!ptr)
-				break;
-			if ((ret = access_ok(VERIFY_READ, ptr, sizeof(tmp)) ? 0 : -EFAULT)
-			    || (ret = copy_from_user(&tmp,
-					(struct ipc_kludge __user *) ptr,
-					sizeof (tmp)) ? -EFAULT : 0))
-				break;
-			ret = sys_msgrcv (first, tmp.msgp, second, tmp.msgtyp,
-					  third);
-			break;
-			}
-		default:
-			ret = sys_msgrcv (first, (struct msgbuf __user *) 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 __user *) ptr);
-		break;
-	case SHMAT: {
-		ulong raddr;
-
-		if ((ret = access_ok(VERIFY_WRITE, (ulong __user *) third,
-				       sizeof(ulong)) ? 0 : -EFAULT))
-			break;
-		ret = do_shmat (first, (char __user *) ptr, second, &raddr);
-		if (ret)
-			break;
-		ret = put_user (raddr, (ulong __user *) third);
-		break;
-		}
-	case SHMDT:
-		ret = sys_shmdt ((char __user *)ptr);
-		break;
-	case SHMGET:
-		ret = sys_shmget (first, second, third);
-		break;
-	case SHMCTL:
-		ret = sys_shmctl (first, second, (struct shmid_ds __user *) ptr);
-		break;
-	}
-
-	return ret;
-}
-
-/*
- * sys_pipe() is the normal C calling standard for creating
- * a pipe. It's not the way unix traditionally does this, though.
- */
-int sys_pipe(int __user *fildes)
-{
-	int fd[2];
-	int error;
-
-	error = do_pipe(fd);
-	if (!error) {
-		if (copy_to_user(fildes, fd, 2*sizeof(int)))
-			error = -EFAULT;
-	}
-	return error;
-}
-
-static inline unsigned long
-do_mmap2(unsigned long addr, size_t len,
-	 unsigned long prot, unsigned long flags,
-	 unsigned long fd, unsigned long pgoff)
-{
-	struct file * file = NULL;
-	int ret = -EBADF;
-
-	flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
-	if (!(flags & MAP_ANONYMOUS)) {
-		if (!(file = fget(fd)))
-			goto out;
-	}
-
-	down_write(&current->mm->mmap_sem);
-	ret = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
-	up_write(&current->mm->mmap_sem);
-	if (file)
-		fput(file);
-out:
-	return ret;
-}
-
-unsigned long sys_mmap2(unsigned long addr, size_t len,
-			unsigned long prot, unsigned long flags,
-			unsigned long fd, unsigned long pgoff)
-{
-	return do_mmap2(addr, len, prot, flags, fd, pgoff);
-}
-
-unsigned long sys_mmap(unsigned long addr, size_t len,
-		       unsigned long prot, unsigned long flags,
-		       unsigned long fd, off_t offset)
-{
-	int err = -EINVAL;
-
-	if (offset & ~PAGE_MASK)
-		goto out;
-
-	err = do_mmap2(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
-out:
-	return err;
-}
-
-/*
- * Due to some executables calling the wrong select we sometimes
- * get wrong args.  This determines how the args are being passed
- * (a single ptr to them all args passed) then calls
- * sys_select() with the appropriate args. -- Cort
- */
-int
-ppc_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp, struct timeval __user *tvp)
-{
-	if ( (unsigned long)n >= 4096 )
-	{
-		unsigned long __user *buffer = (unsigned long __user *)n;
-		if (!access_ok(VERIFY_READ, buffer, 5*sizeof(unsigned long))
-		    || __get_user(n, buffer)
-		    || __get_user(inp, ((fd_set __user * __user *)(buffer+1)))
-		    || __get_user(outp, ((fd_set  __user * __user *)(buffer+2)))
-		    || __get_user(exp, ((fd_set  __user * __user *)(buffer+3)))
-		    || __get_user(tvp, ((struct timeval  __user * __user *)(buffer+4))))
-			return -EFAULT;
-	}
-	return sys_select(n, inp, outp, exp, tvp);
-}
-
-int sys_uname(struct old_utsname __user * name)
-{
-	int err = -EFAULT;
-
-	down_read(&uts_sem);
-	if (name && !copy_to_user(name, &system_utsname, sizeof (*name)))
-		err = 0;
-	up_read(&uts_sem);
-	return err;
-}
-
-int sys_olduname(struct oldold_utsname __user * name)
-{
-	int error;
-
-	if (!name)
-		return -EFAULT;
-	if (!access_ok(VERIFY_WRITE,name,sizeof(struct oldold_utsname)))
-		return -EFAULT;
-
-	down_read(&uts_sem);
-	error = __copy_to_user(&name->sysname,&system_utsname.sysname,__OLD_UTS_LEN);
-	error -= __put_user(0,name->sysname+__OLD_UTS_LEN);
-	error -= __copy_to_user(&name->nodename,&system_utsname.nodename,__OLD_UTS_LEN);
-	error -= __put_user(0,name->nodename+__OLD_UTS_LEN);
-	error -= __copy_to_user(&name->release,&system_utsname.release,__OLD_UTS_LEN);
-	error -= __put_user(0,name->release+__OLD_UTS_LEN);
-	error -= __copy_to_user(&name->version,&system_utsname.version,__OLD_UTS_LEN);
-	error -= __put_user(0,name->version+__OLD_UTS_LEN);
-	error -= __copy_to_user(&name->machine,&system_utsname.machine,__OLD_UTS_LEN);
-	error = __put_user(0,name->machine+__OLD_UTS_LEN);
-	up_read(&uts_sem);
-
-	error = error ? -EFAULT : 0;
-	return error;
-}
-
-/*
- * We put the arguments in a different order so we only use 6
- * registers for arguments, rather than 7 as sys_fadvise64_64 needs
- * (because `offset' goes in r5/r6).
- */
-long ppc_fadvise64_64(int fd, int advice, loff_t offset, loff_t len)
-{
-	return sys_fadvise64_64(fd, offset, len, advice);
-}

arch/ppc64/kernel/Makefile

@@ -12,9 +12,9 @@ obj-y               :=	setup.o entry.o misc.o prom.o
 endif
 
 obj-y               +=	irq.o idle.o dma.o \
-			time.o signal.o syscalls.o \
+			time.o signal.o \
 			align.o bitops.o pacaData.o \
-			udbg.o sys_ppc32.o ioctl32.o \
+			udbg.o ioctl32.o \
 			ptrace32.o signal32.o rtc.o \
 			cpu_setup_power4.o \
 			iommu.o sysfs.o vdso.o pmc.o firmware.o

arch/ppc64/kernel/misc.S

@@ -980,7 +980,7 @@ _GLOBAL(sys_call_table32)
 	.llong .sys_ni_syscall		/* old mpx syscall */
 	.llong .sys32_setpgid
 	.llong .sys_ni_syscall		/* old ulimit syscall */
-	.llong .sys32_olduname
+	.llong .sys_olduname
 	.llong .sys32_umask		/* 60 */
 	.llong .sys_chroot
 	.llong .sys_ustat
@@ -1030,7 +1030,7 @@ _GLOBAL(sys_call_table32)
 	.llong .compat_sys_newstat
 	.llong .compat_sys_newlstat
 	.llong .compat_sys_newfstat
-	.llong .sys32_uname
+	.llong .sys_uname
 	.llong .sys_ni_syscall		/* 110 old iopl syscall */
 	.llong .sys_vhangup
 	.llong .sys_ni_syscall		/* old idle syscall */
@@ -1043,7 +1043,7 @@ _GLOBAL(sys_call_table32)
 	.llong .ppc32_sigreturn
 	.llong .ppc_clone		/* 120 */
 	.llong .sys32_setdomainname
-	.llong .ppc64_newuname
+	.llong .ppc_newuname
 	.llong .sys_ni_syscall		/* old modify_ldt syscall */
 	.llong .sys32_adjtimex
 	.llong .sys_mprotect		/* 125 */
@@ -1324,7 +1324,7 @@ _GLOBAL(sys_call_table)
 	.llong .sys_ni_syscall
 	.llong .ppc_clone		/* 120 */
 	.llong .sys_setdomainname
-	.llong .ppc64_newuname
+	.llong .ppc_newuname
 	.llong .sys_ni_syscall		/* old modify_ldt syscall */
 	.llong .sys_adjtimex
 	.llong .sys_mprotect		/* 125 */