Merge branch 'origin'

Conflicts:
	Documentation/video4linux/CARDLIST.cx88
	drivers/media/video/cx88/Kconfig
	drivers/media/video/em28xx/em28xx-video.c
	drivers/media/video/saa7134/saa7134-dvb.c

Resolved as in the original merge by Mauro Carvalho Chehab

22 files changed, 472 insertions, 361 deletions

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index b66602ad7b3..b7ca5bf9acf 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -80,6 +80,10 @@ config HOTPLUG_CPU
 	  can be controlled through /sys/devices/system/cpu/cpu#.
 	  Say N if you want to disable CPU hotplug.
 
+config DEFAULT_MIGRATION_COST
+	int
+	default "1000000"
+
 config MATHEMU
 	bool "IEEE FPU emulation"
 	depends on MARCH_G5
diff --git a/arch/s390/defconfig b/arch/s390/defconfig
index 7d23edc6fac..f8d0cd540a0 100644
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -1,19 +1,17 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.15-rc2
-# Mon Nov 21 13:51:30 2005
+# Linux kernel version: 2.6.16-rc2
+# Wed Feb  8 10:44:39 2006
 #
 CONFIG_MMU=y
 CONFIG_RWSEM_XCHGADD_ALGORITHM=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
 CONFIG_S390=y
-CONFIG_UID16=y
 
 #
 # Code maturity level options
 #
 CONFIG_EXPERIMENTAL=y
-CONFIG_CLEAN_COMPILE=y
 CONFIG_LOCK_KERNEL=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 
@@ -29,18 +27,20 @@ CONFIG_POSIX_MQUEUE=y
 CONFIG_SYSCTL=y
 CONFIG_AUDIT=y
 # CONFIG_AUDITSYSCALL is not set
-CONFIG_HOTPLUG=y
-CONFIG_KOBJECT_UEVENT=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 # CONFIG_CPUSETS is not set
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_UID16=y
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 # CONFIG_EMBEDDED is not set
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
+CONFIG_ELF_CORE=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
@@ -49,8 +49,10 @@ CONFIG_CC_ALIGN_FUNCTIONS=0
 CONFIG_CC_ALIGN_LABELS=0
 CONFIG_CC_ALIGN_LOOPS=0
 CONFIG_CC_ALIGN_JUMPS=0
+CONFIG_SLAB=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
+# CONFIG_SLOB is not set
 
 #
 # Loadable module support
@@ -76,11 +78,11 @@ CONFIG_IOSCHED_NOOP=y
 CONFIG_IOSCHED_AS=y
 CONFIG_IOSCHED_DEADLINE=y
 CONFIG_IOSCHED_CFQ=y
-CONFIG_DEFAULT_AS=y
-# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_AS is not set
+CONFIG_DEFAULT_DEADLINE=y
 # CONFIG_DEFAULT_CFQ is not set
 # CONFIG_DEFAULT_NOOP is not set
-CONFIG_DEFAULT_IOSCHED="anticipatory"
+CONFIG_DEFAULT_IOSCHED="deadline"
 
 #
 # Base setup
@@ -151,6 +153,7 @@ CONFIG_NET=y
 #
 # Networking options
 #
+# CONFIG_NETDEBUG is not set
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
@@ -193,6 +196,11 @@ CONFIG_IPV6=y
 # SCTP Configuration (EXPERIMENTAL)
 #
 # CONFIG_IP_SCTP is not set
+
+#
+# TIPC Configuration (EXPERIMENTAL)
+#
+# CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
 # CONFIG_VLAN_8021Q is not set
@@ -362,6 +370,7 @@ CONFIG_DM_MULTIPATH=y
 #
 CONFIG_UNIX98_PTYS=y
 CONFIG_UNIX98_PTY_COUNT=2048
+# CONFIG_HANGCHECK_TIMER is not set
 
 #
 # Watchdog Cards
@@ -488,6 +497,7 @@ CONFIG_FS_MBCACHE=y
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
 # CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_ROMFS_FS is not set
 CONFIG_INOTIFY=y
@@ -520,6 +530,7 @@ CONFIG_TMPFS=y
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
 # CONFIG_RELAYFS_FS is not set
+# CONFIG_CONFIGFS_FS is not set
 
 #
 # Miscellaneous filesystems
@@ -584,6 +595,7 @@ CONFIG_MSDOS_PARTITION=y
 # CONFIG_SGI_PARTITION is not set
 # CONFIG_ULTRIX_PARTITION is not set
 # CONFIG_SUN_PARTITION is not set
+# CONFIG_KARMA_PARTITION is not set
 # CONFIG_EFI_PARTITION is not set
 
 #
@@ -592,27 +604,30 @@ CONFIG_MSDOS_PARTITION=y
 # CONFIG_NLS is not set
 
 #
-# Profiling support
+# Instrumentation Support
 #
 # CONFIG_PROFILING is not set
+# CONFIG_STATISTICS is not set
 
 #
 # Kernel hacking
 #
 # CONFIG_PRINTK_TIME is not set
-CONFIG_DEBUG_KERNEL=y
 CONFIG_MAGIC_SYSRQ=y
+CONFIG_DEBUG_KERNEL=y
 CONFIG_LOG_BUF_SHIFT=17
-CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_DETECT_SOFTLOCKUP is not set
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_DEBUG_SLAB is not set
-CONFIG_DEBUG_PREEMPT=y
+# CONFIG_DEBUG_PREEMPT is not set
+CONFIG_DEBUG_MUTEXES=y
 # CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_KOBJECT is not set
 # CONFIG_DEBUG_INFO is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_DEBUG_VM is not set
+CONFIG_FORCED_INLINING=y
 # CONFIG_RCU_TORTURE_TEST is not set
 
 #
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index bf9a7a361b3..cc058dc3bc8 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -100,12 +100,12 @@
 #define SET_STAT_UID(stat, uid)		(stat).st_uid = high2lowuid(uid)
 #define SET_STAT_GID(stat, gid)		(stat).st_gid = high2lowgid(gid)
 
-asmlinkage long sys32_chown16(const char * filename, u16 user, u16 group)
+asmlinkage long sys32_chown16(const char __user * filename, u16 user, u16 group)
 {
 	return sys_chown(filename, low2highuid(user), low2highgid(group));
 }
 
-asmlinkage long sys32_lchown16(const char * filename, u16 user, u16 group)
+asmlinkage long sys32_lchown16(const char __user * filename, u16 user, u16 group)
 {
 	return sys_lchown(filename, low2highuid(user), low2highgid(group));
 }
@@ -141,7 +141,7 @@ asmlinkage long sys32_setresuid16(u16 ruid, u16 euid, u16 suid)
 		low2highuid(suid));
 }
 
-asmlinkage long sys32_getresuid16(u16 *ruid, u16 *euid, u16 *suid)
+asmlinkage long sys32_getresuid16(u16 __user *ruid, u16 __user *euid, u16 __user *suid)
 {
 	int retval;
 
@@ -158,7 +158,7 @@ asmlinkage long sys32_setresgid16(u16 rgid, u16 egid, u16 sgid)
 		low2highgid(sgid));
 }
 
-asmlinkage long sys32_getresgid16(u16 *rgid, u16 *egid, u16 *sgid)
+asmlinkage long sys32_getresgid16(u16 __user *rgid, u16 __user *egid, u16 __user *sgid)
 {
 	int retval;
 
@@ -179,7 +179,7 @@ asmlinkage long sys32_setfsgid16(u16 gid)
 	return sys_setfsgid((gid_t)gid);
 }
 
-static int groups16_to_user(u16 *grouplist, struct group_info *group_info)
+static int groups16_to_user(u16 __user *grouplist, struct group_info *group_info)
 {
 	int i;
 	u16 group;
@@ -193,7 +193,7 @@ static int groups16_to_user(u16 *grouplist, struct group_info *group_info)
 	return 0;
 }
 
-static int groups16_from_user(struct group_info *group_info, u16 *grouplist)
+static int groups16_from_user(struct group_info *group_info, u16 __user *grouplist)
 {
 	int i;
 	u16 group;
@@ -207,7 +207,7 @@ static int groups16_from_user(struct group_info *group_info, u16 *grouplist)
 	return 0;
 }
 
-asmlinkage long sys32_getgroups16(int gidsetsize, u16 *grouplist)
+asmlinkage long sys32_getgroups16(int gidsetsize, u16 __user *grouplist)
 {
 	int i;
 
@@ -231,7 +231,7 @@ out:
 	return i;
 }
 
-asmlinkage long sys32_setgroups16(int gidsetsize, u16 *grouplist)
+asmlinkage long sys32_setgroups16(int gidsetsize, u16 __user *grouplist)
 {
 	struct group_info *group_info;
 	int retval;
@@ -278,14 +278,14 @@ asmlinkage long sys32_getegid16(void)
 
 /* 32-bit timeval and related flotsam.  */
 
-static inline long get_tv32(struct timeval *o, struct compat_timeval *i)
+static inline long get_tv32(struct timeval *o, struct compat_timeval __user *i)
 {
 	return (!access_ok(VERIFY_READ, o, sizeof(*o)) ||
 		(__get_user(o->tv_sec, &i->tv_sec) ||
 		 __get_user(o->tv_usec, &i->tv_usec)));
 }
 
-static inline long put_tv32(struct compat_timeval *o, struct timeval *i)
+static inline long put_tv32(struct compat_timeval __user *o, struct timeval *i)
 {
 	return (!access_ok(VERIFY_WRITE, o, sizeof(*o)) ||
 		(__put_user(i->tv_sec, &o->tv_sec) ||
@@ -341,7 +341,7 @@ asmlinkage long sys32_ipc(u32 call, int first, int second, int third, u32 ptr)
 	return -ENOSYS;
 }
 
-asmlinkage long sys32_truncate64(const char * path, unsigned long high, unsigned long low)
+asmlinkage long sys32_truncate64(const char __user * path, unsigned long high, unsigned long low)
 {
 	if ((int)high < 0)
 		return -EINVAL;
@@ -357,7 +357,7 @@ asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long high, unsigned
 		return sys_ftruncate(fd, (high << 32) | low);
 }
 
-int cp_compat_stat(struct kstat *stat, struct compat_stat *statbuf)
+int cp_compat_stat(struct kstat *stat, struct compat_stat __user *statbuf)
 {
 	int err;
 
@@ -591,7 +591,7 @@ sys32_delete_module(const char __user *name_user, unsigned int flags)
 
 extern struct timezone sys_tz;
 
-asmlinkage long sys32_gettimeofday(struct compat_timeval *tv, struct timezone *tz)
+asmlinkage long sys32_gettimeofday(struct compat_timeval __user *tv, struct timezone __user *tz)
 {
 	if (tv) {
 		struct timeval ktv;
@@ -606,7 +606,7 @@ asmlinkage long sys32_gettimeofday(struct compat_timeval *tv, struct timezone *t
 	return 0;
 }
 
-static inline long get_ts32(struct timespec *o, struct compat_timeval *i)
+static inline long get_ts32(struct timespec *o, struct compat_timeval __user *i)
 {
 	long usec;
 
@@ -620,7 +620,7 @@ static inline long get_ts32(struct timespec *o, struct compat_timeval *i)
 	return 0;
 }
 
-asmlinkage long sys32_settimeofday(struct compat_timeval *tv, struct timezone *tz)
+asmlinkage long sys32_settimeofday(struct compat_timeval __user *tv, struct timezone __user *tz)
 {
 	struct timespec kts;
 	struct timezone ktz;
@@ -645,7 +645,7 @@ asmlinkage long sys32_pause(void)
 	return -ERESTARTNOHAND;
 }
 
-asmlinkage long sys32_pread64(unsigned int fd, char *ubuf,
+asmlinkage long sys32_pread64(unsigned int fd, char __user *ubuf,
 				size_t count, u32 poshi, u32 poslo)
 {
 	if ((compat_ssize_t) count < 0)
@@ -653,7 +653,7 @@ asmlinkage long sys32_pread64(unsigned int fd, char *ubuf,
 	return sys_pread64(fd, ubuf, count, ((loff_t)AA(poshi) << 32) | AA(poslo));
 }
 
-asmlinkage long sys32_pwrite64(unsigned int fd, const char *ubuf,
+asmlinkage long sys32_pwrite64(unsigned int fd, const char __user *ubuf,
 				size_t count, u32 poshi, u32 poslo)
 {
 	if ((compat_ssize_t) count < 0)
@@ -666,7 +666,7 @@ asmlinkage compat_ssize_t sys32_readahead(int fd, u32 offhi, u32 offlo, s32 coun
 	return sys_readahead(fd, ((loff_t)AA(offhi) << 32) | AA(offlo), count);
 }
 
-asmlinkage long sys32_sendfile(int out_fd, int in_fd, compat_off_t *offset, size_t count)
+asmlinkage long sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset, size_t count)
 {
 	mm_segment_t old_fs = get_fs();
 	int ret;
@@ -686,7 +686,7 @@ asmlinkage long sys32_sendfile(int out_fd, int in_fd, compat_off_t *offset, size
 }
 
 asmlinkage long sys32_sendfile64(int out_fd, int in_fd,
-				compat_loff_t *offset, s32 count)
+				compat_loff_t __user *offset, s32 count)
 {
 	mm_segment_t old_fs = get_fs();
 	int ret;
@@ -722,7 +722,7 @@ struct timex32 {
 
 extern int do_adjtimex(struct timex *);
 
-asmlinkage long sys32_adjtimex(struct timex32 *utp)
+asmlinkage long sys32_adjtimex(struct timex32 __user *utp)
 {
 	struct timex txc;
 	int ret;
@@ -789,12 +789,13 @@ struct __sysctl_args32 {
 	u32 __unused[4];
 };
 
-asmlinkage long sys32_sysctl(struct __sysctl_args32 *args)
+asmlinkage long sys32_sysctl(struct __sysctl_args32 __user *args)
 {
 	struct __sysctl_args32 tmp;
 	int error;
-	size_t oldlen, *oldlenp = NULL;
-	unsigned long addr = (((long)&args->__unused[0]) + 7) & ~7;
+	size_t oldlen;
+	size_t __user *oldlenp = NULL;
+	unsigned long addr = (((unsigned long)&args->__unused[0]) + 7) & ~7;
 
 	if (copy_from_user(&tmp, args, sizeof(tmp)))
 		return -EFAULT;
@@ -806,20 +807,20 @@ asmlinkage long sys32_sysctl(struct __sysctl_args32 *args)
 		   basically copy the whole sysctl.c here, and
 		   glibc's __sysctl uses rw memory for the structure
 		   anyway.  */
-		if (get_user(oldlen, (u32 *)A(tmp.oldlenp)) ||
-		    put_user(oldlen, (size_t *)addr))
+		if (get_user(oldlen, (u32 __user *)compat_ptr(tmp.oldlenp)) ||
+		    put_user(oldlen, (size_t __user *)addr))
 			return -EFAULT;
-		oldlenp = (size_t *)addr;
+		oldlenp = (size_t __user *)addr;
 	}
 
 	lock_kernel();
-	error = do_sysctl((int *)A(tmp.name), tmp.nlen, (void *)A(tmp.oldval),
-			  oldlenp, (void *)A(tmp.newval), tmp.newlen);
+	error = do_sysctl(compat_ptr(tmp.name), tmp.nlen, compat_ptr(tmp.oldval),
+			  oldlenp, compat_ptr(tmp.newval), tmp.newlen);
 	unlock_kernel();
 	if (oldlenp) {
 		if (!error) {
-			if (get_user(oldlen, (size_t *)addr) ||
-			    put_user(oldlen, (u32 *)A(tmp.oldlenp)))
+			if (get_user(oldlen, (size_t __user *)addr) ||
+			    put_user(oldlen, (u32 __user *)compat_ptr(tmp.oldlenp)))
 				error = -EFAULT;
 		}
 		copy_to_user(args->__unused, tmp.__unused, sizeof(tmp.__unused));
@@ -853,7 +854,7 @@ struct stat64_emu31 {
 	unsigned long   st_ino;
 };	
 
-static int cp_stat64(struct stat64_emu31 *ubuf, struct kstat *stat)
+static int cp_stat64(struct stat64_emu31 __user *ubuf, struct kstat *stat)
 {
 	struct stat64_emu31 tmp;
 
@@ -877,7 +878,7 @@ static int cp_stat64(struct stat64_emu31 *ubuf, struct kstat *stat)
 	return copy_to_user(ubuf,&tmp,sizeof(tmp)) ? -EFAULT : 0; 
 }
 
-asmlinkage long sys32_stat64(char * filename, struct stat64_emu31 * statbuf)
+asmlinkage long sys32_stat64(char __user * filename, struct stat64_emu31 __user * statbuf)
 {
 	struct kstat stat;
 	int ret = vfs_stat(filename, &stat);
@@ -886,7 +887,7 @@ asmlinkage long sys32_stat64(char * filename, struct stat64_emu31 * statbuf)
 	return ret;
 }
 
-asmlinkage long sys32_lstat64(char * filename, struct stat64_emu31 * statbuf)
+asmlinkage long sys32_lstat64(char __user * filename, struct stat64_emu31 __user * statbuf)
 {
 	struct kstat stat;
 	int ret = vfs_lstat(filename, &stat);
@@ -895,7 +896,7 @@ asmlinkage long sys32_lstat64(char * filename, struct stat64_emu31 * statbuf)
 	return ret;
 }
 
-asmlinkage long sys32_fstat64(unsigned long fd, struct stat64_emu31 * statbuf)
+asmlinkage long sys32_fstat64(unsigned long fd, struct stat64_emu31 __user * statbuf)
 {
 	struct kstat stat;
 	int ret = vfs_fstat(fd, &stat);
@@ -904,6 +905,26 @@ asmlinkage long sys32_fstat64(unsigned long fd, struct stat64_emu31 * statbuf)
 	return ret;
 }
 
+asmlinkage long sys32_fstatat64(unsigned int dfd, char __user *filename,
+				struct stat64_emu31 __user* statbuf, int flag)
+{
+	struct kstat stat;
+	int error = -EINVAL;
+
+	if ((flag & ~AT_SYMLINK_NOFOLLOW) != 0)
+		goto out;
+
+	if (flag & AT_SYMLINK_NOFOLLOW)
+		error = vfs_lstat_fd(dfd, filename, &stat);
+	else
+		error = vfs_stat_fd(dfd, filename, &stat);
+
+	if (!error)
+		error = cp_stat64(statbuf, &stat);
+out:
+	return error;
+}
+
 /*
  * Linux/i386 didn't use to be able to handle more than
  * 4 system call parameters, so these system calls used a memory
@@ -952,7 +973,7 @@ out:
 
 
 asmlinkage unsigned long
-old32_mmap(struct mmap_arg_struct_emu31 *arg)
+old32_mmap(struct mmap_arg_struct_emu31 __user *arg)
 {
 	struct mmap_arg_struct_emu31 a;
 	int error = -EFAULT;
@@ -970,7 +991,7 @@ out:
 }
 
 asmlinkage long 
-sys32_mmap2(struct mmap_arg_struct_emu31 *arg)
+sys32_mmap2(struct mmap_arg_struct_emu31 __user *arg)
 {
 	struct mmap_arg_struct_emu31 a;
 	int error = -EFAULT;
@@ -982,7 +1003,7 @@ out:
 	return error;
 }
 
-asmlinkage long sys32_read(unsigned int fd, char * buf, size_t count)
+asmlinkage long sys32_read(unsigned int fd, char __user * buf, size_t count)
 {
 	if ((compat_ssize_t) count < 0)
 		return -EINVAL; 
@@ -990,7 +1011,7 @@ asmlinkage long sys32_read(unsigned int fd, char * buf, size_t count)
 	return sys_read(fd, buf, count);
 }
 
-asmlinkage long sys32_write(unsigned int fd, char * buf, size_t count)
+asmlinkage long sys32_write(unsigned int fd, char __user * buf, size_t count)
 {
 	if ((compat_ssize_t) count < 0)
 		return -EINVAL; 
@@ -1002,12 +1023,12 @@ asmlinkage long sys32_clone(struct pt_regs regs)
 {
         unsigned long clone_flags;
         unsigned long newsp;
-	int *parent_tidptr, *child_tidptr;
+	int __user *parent_tidptr, *child_tidptr;
 
         clone_flags = regs.gprs[3] & 0xffffffffUL;
         newsp = regs.orig_gpr2 & 0x7fffffffUL;
-	parent_tidptr = (int *) (regs.gprs[4] & 0x7fffffffUL);
-	child_tidptr = (int *) (regs.gprs[5] & 0x7fffffffUL);
+	parent_tidptr = compat_ptr(regs.gprs[4]);
+	child_tidptr = compat_ptr(regs.gprs[5]);
         if (!newsp)
                 newsp = regs.gprs[15];
         return do_fork(clone_flags, newsp, &regs, 0,
diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c
index fa2b3bc22f2..5291b5f8788 100644
--- a/arch/s390/kernel/compat_signal.c
+++ b/arch/s390/kernel/compat_signal.c
@@ -1,8 +1,7 @@
 /*
- *  arch/s390/kernel/signal32.c
+ *  arch/s390/kernel/compat_signal.c
  *
- *  S390 version
- *    Copyright (C) 2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ *    Copyright (C) IBM Corp. 2000,2006
  *    Author(s): Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
  *               Gerhard Tonn (ton@de.ibm.com)                  
  *
@@ -52,8 +51,6 @@ typedef struct
 	struct ucontext32 uc;
 } rt_sigframe32;
 
-asmlinkage int FASTCALL(do_signal(struct pt_regs *regs, sigset_t *oldset));
-
 int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
 {
 	int err;
@@ -161,66 +158,6 @@ int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from)
 	return err;
 }
 
-/*
- * Atomically swap in the new signal mask, and wait for a signal.
- */
-asmlinkage int
-sys32_sigsuspend(struct pt_regs * regs,int history0, int history1, old_sigset_t mask)
-{
-	sigset_t saveset;
-
-	mask &= _BLOCKABLE;
-	spin_lock_irq(&current->sighand->siglock);
-	saveset = current->blocked;
-	siginitset(&current->blocked, mask);
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
-	regs->gprs[2] = -EINTR;
-
-	while (1) {
-		set_current_state(TASK_INTERRUPTIBLE);
-		schedule();
-		if (do_signal(regs, &saveset))
-			return -EINTR;
-	}
-}
-
-asmlinkage int
-sys32_rt_sigsuspend(struct pt_regs * regs, compat_sigset_t __user *unewset,
-								size_t sigsetsize)
-{
-	sigset_t saveset, newset;
-	compat_sigset_t set32;
-
-	/* XXX: Don't preclude handling different sized sigset_t's.  */
-	if (sigsetsize != sizeof(sigset_t))
-		return -EINVAL;
-
-	if (copy_from_user(&set32, unewset, sizeof(set32)))
-		return -EFAULT;
-	switch (_NSIG_WORDS) {
-	case 4: newset.sig[3] = set32.sig[6] + (((long)set32.sig[7]) << 32);
-	case 3: newset.sig[2] = set32.sig[4] + (((long)set32.sig[5]) << 32);
-	case 2: newset.sig[1] = set32.sig[2] + (((long)set32.sig[3]) << 32);
-	case 1: newset.sig[0] = set32.sig[0] + (((long)set32.sig[1]) << 32);
-	}
-        sigdelsetmask(&newset, ~_BLOCKABLE);
-
-        spin_lock_irq(&current->sighand->siglock);
-        saveset = current->blocked;
-        current->blocked = newset;
-        recalc_sigpending();
-        spin_unlock_irq(&current->sighand->siglock);
-        regs->gprs[2] = -EINTR;
-
-        while (1) {
-                set_current_state(TASK_INTERRUPTIBLE);
-                schedule();
-                if (do_signal(regs, &saveset))
-                        return -EINTR;
-        }
-}
-
 asmlinkage long
 sys32_sigaction(int sig, const struct old_sigaction32 __user *act,
 		 struct old_sigaction32 __user *oact)
@@ -258,9 +195,6 @@ sys32_sigaction(int sig, const struct old_sigaction32 __user *act,
 	return ret;
 }
 
-int
-do_sigaction(int sig, const struct k_sigaction *act, struct k_sigaction *oact);
-
 asmlinkage long
 sys32_rt_sigaction(int sig, const struct sigaction32 __user *act,
 	   struct sigaction32 __user *oact,  size_t sigsetsize)
@@ -520,7 +454,7 @@ static inline int map_signal(int sig)
 		return sig;
 }
 
-static void setup_frame32(int sig, struct k_sigaction *ka,
+static int setup_frame32(int sig, struct k_sigaction *ka,
 			sigset_t *set, struct pt_regs * regs)
 {
 	sigframe32 __user *frame = get_sigframe(ka, regs, sizeof(sigframe32));
@@ -565,13 +499,14 @@ static void setup_frame32(int sig, struct k_sigaction *ka,
 	/* Place signal number on stack to allow backtrace from handler.  */
 	if (__put_user(regs->gprs[2], (int __user *) &frame->signo))
 		goto give_sigsegv;
-	return;
+	return 0;
 
 give_sigsegv:
 	force_sigsegv(sig, current);
+	return -EFAULT;
 }
 
-static void setup_rt_frame32(int sig, struct k_sigaction *ka, siginfo_t *info,
+static int setup_rt_frame32(int sig, struct k_sigaction *ka, siginfo_t *info,
 			   sigset_t *set, struct pt_regs * regs)
 {
 	int err = 0;
@@ -615,31 +550,37 @@ static void setup_rt_frame32(int sig, struct k_sigaction *ka, siginfo_t *info,
 	regs->gprs[2] = map_signal(sig);
 	regs->gprs[3] = (__u64) &frame->info;
 	regs->gprs[4] = (__u64) &frame->uc;
-	return;
+	return 0;
 
 give_sigsegv:
 	force_sigsegv(sig, current);
+	return -EFAULT;
 }
 
 /*
  * OK, we're invoking a handler
  */	
 
-void
+int
 handle_signal32(unsigned long sig, struct k_sigaction *ka,
 		siginfo_t *info, sigset_t *oldset, struct pt_regs * regs)
 {
+	int ret;
+
 	/* Set up the stack frame */
 	if (ka->sa.sa_flags & SA_SIGINFO)
-		setup_rt_frame32(sig, ka, info, oldset, regs);
+		ret = setup_rt_frame32(sig, ka, info, oldset, regs);
 	else
-		setup_frame32(sig, ka, oldset, regs);
-
-	spin_lock_irq(&current->sighand->siglock);
-	sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
-	if (!(ka->sa.sa_flags & SA_NODEFER))
-		sigaddset(&current->blocked,sig);
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
+		ret = setup_frame32(sig, ka, oldset, regs);
+
+	if (ret == 0) {
+		spin_lock_irq(&current->sighand->siglock);
+		sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
+		if (!(ka->sa.sa_flags & SA_NODEFER))
+			sigaddset(&current->blocked,sig);
+		recalc_sigpending();
+		spin_unlock_irq(&current->sighand->siglock);
+	}
+	return ret;
 }
 
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index cfde1905d07..50e80138e7a 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1,9 +1,8 @@
 /*
-*  arch/s390/kernel/sys_wrapper31.S
+*  arch/s390/kernel/compat_wrapper.S
 *    wrapper for 31 bit compatible system calls.
 *
-*  S390 version
-*    Copyright (C) 2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
+*    Copyright (C) IBM Corp. 2000,2006
 *    Author(s): Gerhard Tonn (ton@de.ibm.com),
 *               Thomas Spatzier (tspat@de.ibm.com)
 */ 
@@ -288,7 +287,12 @@ sys32_setregid16_wrapper:
 	llgfr	%r3,%r3			# __kernel_old_gid_emu31_t 
 	jg	sys32_setregid16	# branch to system call
 
-#sys32_sigsuspend_wrapper		# done in sigsuspend_glue 
+	.globl sys_sigsuspend_wrapper
+sys_sigsuspend_wrapper:
+	lgfr	%r2,%r2			# int
+	lgfr	%r3,%r3			# int
+	llgfr	%r4,%r4			# old_sigset_t
+	jg	sys_sigsuspend
 
 	.globl  compat_sys_sigpending_wrapper 
 compat_sys_sigpending_wrapper:
@@ -855,7 +859,11 @@ sys32_rt_sigqueueinfo_wrapper:
 	llgtr	%r4,%r4			# siginfo_emu31_t *
 	jg	sys32_rt_sigqueueinfo	# branch to system call
 
-#sys32_rt_sigsuspend_wrapper		# done in rt_sigsuspend_glue 
+	.globl compat_sys_rt_sigsuspend_wrapper
+compat_sys_rt_sigsuspend_wrapper:
+	llgtr	%r2,%r2			# compat_sigset_t *
+	llgfr	%r3,%r3			# compat_size_t
+	jg	compat_sys_rt_sigsuspend
 
 	.globl  sys32_pread64_wrapper 
 sys32_pread64_wrapper:
@@ -1475,3 +1483,128 @@ sys_inotify_rm_watch_wrapper:
 	lgfr	%r2,%r2			# int
 	llgfr	%r3,%r3			# u32
 	jg	sys_inotify_rm_watch
+
+	.globl compat_sys_openat_wrapper
+compat_sys_openat_wrapper:
+	llgfr	%r2,%r2			# unsigned int
+	llgtr	%r3,%r3			# const char *
+	lgfr	%r4,%r4			# int
+	lgfr	%r5,%r5			# int
+	jg	compat_sys_openat
+
+	.globl sys_mkdirat_wrapper
+sys_mkdirat_wrapper:
+	lgfr	%r2,%r2			# int
+	llgtr	%r3,%r3			# const char *
+	lgfr	%r4,%r4			# int
+	jg	sys_mkdirat
+
+	.globl sys_mknodat_wrapper
+sys_mknodat_wrapper:
+	lgfr	%r2,%r2			# int
+	llgtr	%r3,%r3			# const char *
+	lgfr	%r4,%r4			# int
+	llgfr	%r5,%r5			# unsigned int
+	jg	sys_mknodat
+
+	.globl sys_fchownat_wrapper
+sys_fchownat_wrapper:
+	lgfr	%r2,%r2			# int
+	llgtr	%r3,%r3			# const char *
+	llgfr	%r4,%r4			# uid_t
+	llgfr	%r5,%r5			# gid_t
+	lgfr	%r6,%r6			# int
+	jg	sys_fchownat
+
+	.globl compat_sys_futimesat_wrapper
+compat_sys_futimesat_wrapper:
+	llgfr	%r2,%r2			# unsigned int
+	llgtr	%r3,%r3			# char *
+	llgtr	%r4,%r4			# struct timeval *
+	jg	compat_sys_futimesat
+
+	.globl sys32_fstatat64_wrapper
+sys32_fstatat64_wrapper:
+	llgfr	%r2,%r2			# unsigned int
+	llgtr	%r3,%r3			# char *
+	llgtr	%r4,%r4			# struct stat64 *
+	lgfr	%r5,%r5			# int
+	jg	sys32_fstatat64
+
+	.globl sys_unlinkat_wrapper
+sys_unlinkat_wrapper:
+	lgfr	%r2,%r2			# int
+	llgtr	%r3,%r3			# const char *
+	lgfr	%r4,%r4			# int
+	jg	sys_unlinkat
+
+	.globl sys_renameat_wrapper
+sys_renameat_wrapper:
+	lgfr	%r2,%r2			# int
+	llgtr	%r3,%r3			# const char *
+	lgfr	%r4,%r4			# int
+	llgtr	%r5,%r5			# const char *
+	jg	sys_renameat
+
+	.globl sys_linkat_wrapper
+sys_linkat_wrapper:
+	lgfr	%r2,%r2			# int
+	llgtr	%r3,%r3			# const char *
+	lgfr	%r4,%r4			# int
+	llgtr	%r5,%r5			# const char *
+	lgfr	%r6,%r6			# int
+	jg	sys_linkat
+
+	.globl sys_symlinkat_wrapper
+sys_symlinkat_wrapper:
+	llgtr	%r2,%r2			# const char *
+	lgfr	%r3,%r3			# int
+	llgtr	%r4,%r4			# const char *
+	jg	sys_symlinkat
+
+	.globl sys_readlinkat_wrapper
+sys_readlinkat_wrapper:
+	lgfr	%r2,%r2			# int
+	llgtr	%r3,%r3			# const char *
+	llgtr	%r4,%r4			# char *
+	lgfr	%r5,%r5			# int
+	jg	sys_readlinkat
+
+	.globl sys_fchmodat_wrapper
+sys_fchmodat_wrapper:
+	lgfr	%r2,%r2			# int
+	llgtr	%r3,%r3			# const char *
+	llgfr	%r4,%r4			# mode_t
+	jg	sys_fchmodat
+
+	.globl sys_faccessat_wrapper
+sys_faccessat_wrapper:
+	lgfr	%r2,%r2			# int
+	llgtr	%r3,%r3			# const char *
+	lgfr	%r4,%r4			# int
+	jg	sys_faccessat
+
+	.globl compat_sys_pselect6_wrapper
+compat_sys_pselect6_wrapper:
+	lgfr	%r2,%r2			# int
+	llgtr	%r3,%r3			# fd_set *
+	llgtr	%r4,%r4			# fd_set *
+	llgtr	%r5,%r5			# fd_set *
+	llgtr	%r6,%r6			# struct timespec *
+	llgt	%r0,164(%r15)		# void *
+	stg	%r0,160(%r15)
+	jg	compat_sys_pselect6
+
+	.globl compat_sys_ppoll_wrapper
+compat_sys_ppoll_wrapper:
+	llgtr	%r2,%r2			# struct pollfd *
+	llgfr	%r3,%r3			# unsigned int
+	llgtr	%r4,%r4			# struct timespec *
+	llgtr	%r5,%r5			# const sigset_t *
+	llgfr	%r6,%r6			# size_t
+	jg	compat_sys_ppoll
+
+	.globl sys_unshare_wrapper
+sys_unshare_wrapper:
+	llgfr	%r2,%r2			# unsigned long
+	jg	sys_unshare
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 27b07730b7b..b2448487854 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -2,8 +2,7 @@
  *  arch/s390/kernel/entry.S
  *    S390 low-level entry points.
  *
- *  S390 version
- *    Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ *    Copyright (C) IBM Corp. 1999,2006
  *    Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
  *               Hartmut Penner (hp@de.ibm.com),
  *               Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com),
@@ -50,9 +49,10 @@ SP_ILC       =  STACK_FRAME_OVERHEAD + __PT_ILC
 SP_TRAP      =  STACK_FRAME_OVERHEAD + __PT_TRAP
 SP_SIZE      =  STACK_FRAME_OVERHEAD + __PT_SIZE
 
-_TIF_WORK_SVC = (_TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_MCCK_PENDING | \
-		 _TIF_RESTART_SVC | _TIF_SINGLE_STEP )
-_TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_MCCK_PENDING)
+_TIF_WORK_SVC = (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NEED_RESCHED | \
+		 _TIF_MCCK_PENDING | _TIF_RESTART_SVC | _TIF_SINGLE_STEP )
+_TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NEED_RESCHED | \
+		 _TIF_MCCK_PENDING)
 
 STACK_SHIFT = PAGE_SHIFT + THREAD_ORDER
 STACK_SIZE  = 1 << STACK_SHIFT
@@ -251,8 +251,8 @@ sysc_work:
 	bo	BASED(sysc_mcck_pending)
 	tm	__TI_flags+3(%r9),_TIF_NEED_RESCHED
 	bo	BASED(sysc_reschedule)
-	tm	__TI_flags+3(%r9),_TIF_SIGPENDING
-	bo	BASED(sysc_sigpending)
+	tm	__TI_flags+3(%r9),(_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)
+	bnz	BASED(sysc_sigpending)
 	tm	__TI_flags+3(%r9),_TIF_RESTART_SVC
 	bo	BASED(sysc_restart)
 	tm	__TI_flags+3(%r9),_TIF_SINGLE_STEP
@@ -276,12 +276,11 @@ sysc_mcck_pending:
 	br	%r1			# TIF bit will be cleared by handler
 
 #
-# _TIF_SIGPENDING is set, call do_signal
+# _TIF_SIGPENDING or _TIF_RESTORE_SIGMASK is set, call do_signal
 #
 sysc_sigpending:     
 	ni	__TI_flags+3(%r9),255-_TIF_SINGLE_STEP # clear TIF_SINGLE_STEP
         la      %r2,SP_PTREGS(%r15)    # load pt_regs
-        sr      %r3,%r3                # clear *oldset
         l       %r1,BASED(.Ldo_signal)
 	basr	%r14,%r1               # call do_signal
 	tm	__TI_flags+3(%r9),_TIF_RESTART_SVC
@@ -397,30 +396,6 @@ sys_rt_sigreturn_glue:
         l       %r1,BASED(.Lrt_sigreturn)
         br      %r1                   # branch to sys_sigreturn
 
-#
-# sigsuspend and rt_sigsuspend need pt_regs as an additional
-# parameter and they have to skip the store of %r2 into the
-# user register %r2 because the return value was set in 
-# sigsuspend and rt_sigsuspend already and must not be overwritten!
-#
-
-sys_sigsuspend_glue:    
-        lr      %r5,%r4               # move mask back
-        lr      %r4,%r3               # move history1 parameter
-        lr      %r3,%r2               # move history0 parameter
-        la      %r2,SP_PTREGS(%r15)   # load pt_regs as first parameter
-        l       %r1,BASED(.Lsigsuspend)
-	la      %r14,4(%r14)          # skip store of return value
-        br      %r1                   # branch to sys_sigsuspend
-
-sys_rt_sigsuspend_glue: 
-        lr      %r4,%r3               # move sigsetsize parameter
-        lr      %r3,%r2               # move unewset parameter
-        la      %r2,SP_PTREGS(%r15)   # load pt_regs as first parameter
-        l       %r1,BASED(.Lrt_sigsuspend)
-	la      %r14,4(%r14)          # skip store of return value
-        br      %r1                   # branch to sys_rt_sigsuspend
-
 sys_sigaltstack_glue:
         la      %r4,SP_PTREGS(%r15)   # load pt_regs as parameter
         l       %r1,BASED(.Lsigaltstack)
@@ -604,15 +579,16 @@ io_work:
 	lr	%r15,%r1
 #
 # One of the work bits is on. Find out which one.
-# Checked are: _TIF_SIGPENDING, _TIF_NEED_RESCHED and _TIF_MCCK_PENDING
+# Checked are: _TIF_SIGPENDING, _TIF_RESTORE_SIGMASK, _TIF_NEED_RESCHED
+#	        and _TIF_MCCK_PENDING
 #
 io_work_loop:
 	tm	__TI_flags+3(%r9),_TIF_MCCK_PENDING
 	bo      BASED(io_mcck_pending)
 	tm	__TI_flags+3(%r9),_TIF_NEED_RESCHED
 	bo	BASED(io_reschedule)
-	tm	__TI_flags+3(%r9),_TIF_SIGPENDING
-	bo	BASED(io_sigpending)
+	tm	__TI_flags+3(%r9),(_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)
+	bnz	BASED(io_sigpending)
 	b	BASED(io_leave)
 
 #
@@ -636,12 +612,11 @@ io_reschedule:
 	b	BASED(io_work_loop)
 
 #
-# _TIF_SIGPENDING is set, call do_signal
+# _TIF_SIGPENDING or _TIF_RESTORE_SIGMASK is set, call do_signal
 #
 io_sigpending:     
         stosm   __SF_EMPTY(%r15),0x03  # reenable interrupts
         la      %r2,SP_PTREGS(%r15)    # load pt_regs
-        sr      %r3,%r3                # clear *oldset
         l       %r1,BASED(.Ldo_signal)
 	basr    %r14,%r1	       # call do_signal
         stnsm   __SF_EMPTY(%r15),0xfc  # disable I/O and ext. interrupts
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 369ab4413ec..2ac095bc0e2 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -1,9 +1,8 @@
 /*
- *  arch/s390/kernel/entry.S
+ *  arch/s390/kernel/entry64.S
  *    S390 low-level entry points.
  *
- *  S390 version
- *    Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ *    Copyright (C) IBM Corp. 1999,2006
  *    Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
  *               Hartmut Penner (hp@de.ibm.com),
  *               Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com),
@@ -53,9 +52,10 @@ SP_SIZE      =  STACK_FRAME_OVERHEAD + __PT_SIZE
 STACK_SHIFT = PAGE_SHIFT + THREAD_ORDER
 STACK_SIZE  = 1 << STACK_SHIFT
 
-_TIF_WORK_SVC = (_TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_MCCK_PENDING | \
-		 _TIF_RESTART_SVC | _TIF_SINGLE_STEP )
-_TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_MCCK_PENDING)
+_TIF_WORK_SVC = (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NEED_RESCHED | \
+		 _TIF_MCCK_PENDING | _TIF_RESTART_SVC | _TIF_SINGLE_STEP )
+_TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NEED_RESCHED | \
+		 _TIF_MCCK_PENDING)
 
 #define BASED(name) name-system_call(%r13)
 
@@ -249,8 +249,8 @@ sysc_work:
 	jo	sysc_mcck_pending
 	tm	__TI_flags+7(%r9),_TIF_NEED_RESCHED
 	jo	sysc_reschedule
-	tm	__TI_flags+7(%r9),_TIF_SIGPENDING
-	jo	sysc_sigpending
+	tm	__TI_flags+7(%r9),(_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)
+	jnz	sysc_sigpending
 	tm	__TI_flags+7(%r9),_TIF_RESTART_SVC
 	jo	sysc_restart
 	tm	__TI_flags+7(%r9),_TIF_SINGLE_STEP
@@ -272,12 +272,11 @@ sysc_mcck_pending:
 	jg	s390_handle_mcck    # TIF bit will be cleared by handler
 
 #
-# _TIF_SIGPENDING is set, call do_signal
+# _TIF_SIGPENDING or _TIF_RESTORE_SIGMASK is set, call do_signal
 #
 sysc_sigpending:     
 	ni	__TI_flags+7(%r9),255-_TIF_SINGLE_STEP # clear TIF_SINGLE_STEP
         la      %r2,SP_PTREGS(%r15) # load pt_regs
-        sgr     %r3,%r3           # clear *oldset
 	brasl	%r14,do_signal    # call do_signal
 	tm	__TI_flags+7(%r9),_TIF_RESTART_SVC
 	jo	sysc_restart
@@ -414,52 +413,6 @@ sys32_rt_sigreturn_glue:
         jg      sys32_rt_sigreturn    # branch to sys32_sigreturn
 #endif
 
-#
-# sigsuspend and rt_sigsuspend need pt_regs as an additional
-# parameter and they have to skip the store of %r2 into the
-# user register %r2 because the return value was set in 
-# sigsuspend and rt_sigsuspend already and must not be overwritten!
-#
-
-sys_sigsuspend_glue:    
-        lgr     %r5,%r4               # move mask back
-        lgr     %r4,%r3               # move history1 parameter
-        lgr     %r3,%r2               # move history0 parameter
-        la      %r2,SP_PTREGS(%r15)   # load pt_regs as first parameter
-	la      %r14,6(%r14)          # skip store of return value
-        jg      sys_sigsuspend        # branch to sys_sigsuspend
-
-#ifdef CONFIG_COMPAT
-sys32_sigsuspend_glue:    
-	llgfr	%r4,%r4               # unsigned long			
-        lgr     %r5,%r4               # move mask back
-	lgfr	%r3,%r3               # int			
-        lgr     %r4,%r3               # move history1 parameter
-	lgfr	%r2,%r2               # int			
-        lgr     %r3,%r2               # move history0 parameter
-        la      %r2,SP_PTREGS(%r15)   # load pt_regs as first parameter
-	la      %r14,6(%r14)          # skip store of return value
-        jg      sys32_sigsuspend      # branch to sys32_sigsuspend
-#endif
-
-sys_rt_sigsuspend_glue: 
-        lgr     %r4,%r3               # move sigsetsize parameter
-        lgr     %r3,%r2               # move unewset parameter
-        la      %r2,SP_PTREGS(%r15)   # load pt_regs as first parameter
-	la      %r14,6(%r14)          # skip store of return value
-        jg      sys_rt_sigsuspend     # branch to sys_rt_sigsuspend
-
-#ifdef CONFIG_COMPAT
-sys32_rt_sigsuspend_glue: 
-	llgfr	%r3,%r3               # size_t			
-        lgr     %r4,%r3               # move sigsetsize parameter
-	llgtr	%r2,%r2               # sigset_emu31_t *
-        lgr     %r3,%r2               # move unewset parameter
-        la      %r2,SP_PTREGS(%r15)   # load pt_regs as first parameter
-	la      %r14,6(%r14)          # skip store of return value
-        jg      sys32_rt_sigsuspend   # branch to sys32_rt_sigsuspend
-#endif
-
 sys_sigaltstack_glue:
         la      %r4,SP_PTREGS(%r15)   # load pt_regs as parameter
         jg      sys_sigaltstack       # branch to sys_sigreturn
@@ -646,15 +599,16 @@ io_work:
 	lgr	%r15,%r1
 #
 # One of the work bits is on. Find out which one.
-# Checked are: _TIF_SIGPENDING, _TIF_NEED_RESCHED and _TIF_MCCK_PENDING
+# Checked are: _TIF_SIGPENDING, _TIF_RESTORE_SIGPENDING, _TIF_NEED_RESCHED
+#	       and _TIF_MCCK_PENDING
 #
 io_work_loop:
 	tm	__TI_flags+7(%r9),_TIF_MCCK_PENDING
 	jo	io_mcck_pending
 	tm	__TI_flags+7(%r9),_TIF_NEED_RESCHED
 	jo	io_reschedule
-	tm	__TI_flags+7(%r9),_TIF_SIGPENDING
-	jo	io_sigpending
+	tm	__TI_flags+7(%r9),(_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)
+	jnz	io_sigpending
 	j	io_leave
 
 #
@@ -676,12 +630,11 @@ io_reschedule:
 	j	io_work_loop
 
 #
-# _TIF_SIGPENDING is set, call do_signal
+# _TIF_SIGPENDING or _TIF_RESTORE_SIGMASK is set, call do_signal
 #
 io_sigpending:     
 	stosm   __SF_EMPTY(%r15),0x03	# reenable interrupts
 	la      %r2,SP_PTREGS(%r15)	# load pt_regs
-	slgr    %r3,%r3			# clear *oldset
 	brasl	%r14,do_signal		# call do_signal
 	stnsm   __SF_EMPTY(%r15),0xfc	# disable I/O and ext. interrupts
 	j	io_work_loop
diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c
index f0ed5c642c7..bad81b5832d 100644
--- a/arch/s390/kernel/machine_kexec.c
+++ b/arch/s390/kernel/machine_kexec.c
@@ -12,15 +12,16 @@
  * on the S390 architecture.
  */
 
-#include <asm/cio.h>
-#include <asm/setup.h>
 #include <linux/device.h>
 #include <linux/mm.h>
 #include <linux/kexec.h>
 #include <linux/delay.h>
+#include <asm/cio.h>
+#include <asm/setup.h>
 #include <asm/pgtable.h>
 #include <asm/pgalloc.h>
 #include <asm/system.h>
+#include <asm/smp.h>
 
 static void kexec_halt_all_cpus(void *);
 
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 008c74526fd..da6fbae8df9 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -128,8 +128,10 @@ void default_idle(void)
 	__ctl_set_bit(8, 15);
 
 #ifdef CONFIG_HOTPLUG_CPU
-	if (cpu_is_offline(cpu))
+	if (cpu_is_offline(cpu)) {
+		preempt_enable_no_resched();
 		cpu_die();
+	}
 #endif
 
 	local_mcck_disable();
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index de878426747..24f62f16c0e 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -600,6 +600,7 @@ setup_arch(char **cmdline_p)
 	init_mm.brk = (unsigned long) &_end;
 
 	parse_cmdline_early(cmdline_p);
+	parse_early_param();
 
 	setup_memory();
 	setup_resources();
@@ -607,6 +608,7 @@ setup_arch(char **cmdline_p)
 
         cpu_init();
         __cpu_logical_map[0] = S390_lowcore.cpu_data.cpu_addr;
+	smp_setup_cpu_possible_map();
 
 	/*
 	 * Create kernel page tables and switch to virtual addressing.
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index 6ae4a77270b..ae1927e48cf 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -1,8 +1,7 @@
 /*
  *  arch/s390/kernel/signal.c
  *
- *  S390 version
- *    Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ *    Copyright (C) IBM Corp. 1999,2006
  *    Author(s): Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
  *
  *    Based on Intel version
@@ -51,60 +50,24 @@ typedef struct
 	struct ucontext uc;
 } rt_sigframe;
 
-int do_signal(struct pt_regs *regs, sigset_t *oldset);
-
 /*
  * Atomically swap in the new signal mask, and wait for a signal.
  */
 asmlinkage int
-sys_sigsuspend(struct pt_regs * regs, int history0, int history1,
-	       old_sigset_t mask)
+sys_sigsuspend(int history0, int history1, old_sigset_t mask)
 {
-	sigset_t saveset;
-
 	mask &= _BLOCKABLE;
 	spin_lock_irq(&current->sighand->siglock);
-	saveset = current->blocked;
+	current->saved_sigmask = current->blocked;
 	siginitset(&current->blocked, mask);
 	recalc_sigpending();
 	spin_unlock_irq(&current->sighand->siglock);
-	regs->gprs[2] = -EINTR;
-
-	while (1) {
-		set_current_state(TASK_INTERRUPTIBLE);
-		schedule();
-		if (do_signal(regs, &saveset))
-			return -EINTR;
-	}
-}
-
-asmlinkage long
-sys_rt_sigsuspend(struct pt_regs *regs, sigset_t __user *unewset,
-						size_t sigsetsize)
-{
-	sigset_t saveset, newset;
 
-	/* XXX: Don't preclude handling different sized sigset_t's.  */
-	if (sigsetsize != sizeof(sigset_t))
-		return -EINVAL;
+	current->state = TASK_INTERRUPTIBLE;
+	schedule();
+	set_thread_flag(TIF_RESTORE_SIGMASK);
 
-	if (copy_from_user(&newset, unewset, sizeof(newset)))
-		return -EFAULT;
-	sigdelsetmask(&newset, ~_BLOCKABLE);
-
-	spin_lock_irq(&current->sighand->siglock);
-	saveset = current->blocked;
-	current->blocked = newset;
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
-	regs->gprs[2] = -EINTR;
-
-	while (1) {
-		set_current_state(TASK_INTERRUPTIBLE);
-		schedule();
-		if (do_signal(regs, &saveset))
-			return -EINTR;
-	}
+	return -ERESTARTNOHAND;
 }
 
 asmlinkage long
@@ -306,8 +269,8 @@ static inline int map_signal(int sig)
 		return sig;
 }
 
-static void setup_frame(int sig, struct k_sigaction *ka,
-			sigset_t *set, struct pt_regs * regs)
+static int setup_frame(int sig, struct k_sigaction *ka,
+		       sigset_t *set, struct pt_regs * regs)
 {
 	sigframe __user *frame;
 
@@ -355,13 +318,14 @@ static void setup_frame(int sig, struct k_sigaction *ka,
 	/* Place signal number on stack to allow backtrace from handler.  */
 	if (__put_user(regs->gprs[2], (int __user *) &frame->signo))
 		goto give_sigsegv;
-	return;
+	return 0;
 
 give_sigsegv:
 	force_sigsegv(sig, current);
+	return -EFAULT;
 }
 
-static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
+static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 			   sigset_t *set, struct pt_regs * regs)
 {
 	int err = 0;
@@ -409,32 +373,39 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 	regs->gprs[2] = map_signal(sig);
 	regs->gprs[3] = (unsigned long) &frame->info;
 	regs->gprs[4] = (unsigned long) &frame->uc;
-	return;
+	return 0;
 
 give_sigsegv:
 	force_sigsegv(sig, current);
+	return -EFAULT;
 }
 
 /*
  * OK, we're invoking a handler
  */	
 
-static void
+static int
 handle_signal(unsigned long sig, struct k_sigaction *ka,
 	      siginfo_t *info, sigset_t *oldset, struct pt_regs * regs)
 {
+	int ret;
+
 	/* Set up the stack frame */
 	if (ka->sa.sa_flags & SA_SIGINFO)
-		setup_rt_frame(sig, ka, info, oldset, regs);
+		ret = setup_rt_frame(sig, ka, info, oldset, regs);
 	else
-		setup_frame(sig, ka, oldset, regs);
+		ret = setup_frame(sig, ka, oldset, regs);
+
+	if (ret == 0) {
+		spin_lock_irq(&current->sighand->siglock);
+		sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
+		if (!(ka->sa.sa_flags & SA_NODEFER))
+			sigaddset(&current->blocked,sig);
+		recalc_sigpending();
+		spin_unlock_irq(&current->sighand->siglock);
+	}
 
-	spin_lock_irq(&current->sighand->siglock);
-	sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
-	if (!(ka->sa.sa_flags & SA_NODEFER))
-		sigaddset(&current->blocked,sig);
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
+	return ret;
 }
 
 /*
@@ -446,12 +417,13 @@ handle_signal(unsigned long sig, struct k_sigaction *ka,
  * the kernel can handle, and then we build all the user-level signal handling
  * stack-frames in one go after that.
  */
-int do_signal(struct pt_regs *regs, sigset_t *oldset)
+void do_signal(struct pt_regs *regs)
 {
 	unsigned long retval = 0, continue_addr = 0, restart_addr = 0;
 	siginfo_t info;
 	int signr;
 	struct k_sigaction ka;
+	sigset_t *oldset;
 
 	/*
 	 * We want the common case to go fast, which
@@ -460,9 +432,11 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
 	 * if so.
 	 */
 	if (!user_mode(regs))
-		return 1;
+		return;
 
-	if (!oldset)
+	if (test_thread_flag(TIF_RESTORE_SIGMASK))
+		oldset = &current->saved_sigmask;
+	else
 		oldset = &current->blocked;
 
 	/* Are we from a system call? */
@@ -473,12 +447,14 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
 
 		/* Prepare for system call restart.  We do this here so that a
 		   debugger will see the already changed PSW. */
-		if (retval == -ERESTARTNOHAND ||
-		    retval == -ERESTARTSYS ||
-		    retval == -ERESTARTNOINTR) {
+		switch (retval) {
+		case -ERESTARTNOHAND:
+		case -ERESTARTSYS:
+		case -ERESTARTNOINTR:
 			regs->gprs[2] = regs->orig_gpr2;
 			regs->psw.addr = restart_addr;
-		} else if (retval == -ERESTART_RESTARTBLOCK) {
+			break;
+		case -ERESTART_RESTARTBLOCK:
 			regs->gprs[2] = -EINTR;
 		}
 	}
@@ -503,17 +479,38 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
 		/* Whee!  Actually deliver the signal.  */
 #ifdef CONFIG_COMPAT
 		if (test_thread_flag(TIF_31BIT)) {
-			extern void handle_signal32(unsigned long sig,
-						    struct k_sigaction *ka,
-						    siginfo_t *info,
-						    sigset_t *oldset,
-						    struct pt_regs *regs);
-			handle_signal32(signr, &ka, &info, oldset, regs);
-			return 1;
+			extern int handle_signal32(unsigned long sig,
+						   struct k_sigaction *ka,
+						   siginfo_t *info,
+						   sigset_t *oldset,
+						   struct pt_regs *regs);
+			if (handle_signal32(
+				    signr, &ka, &info, oldset, regs) == 0) {
+				if (test_thread_flag(TIF_RESTORE_SIGMASK))
+					clear_thread_flag(TIF_RESTORE_SIGMASK);
+			}
+			return;
 	        }
 #endif
-		handle_signal(signr, &ka, &info, oldset, regs);
-		return 1;
+		if (handle_signal(signr, &ka, &info, oldset, regs) == 0) {
+			/*
+			 * A signal was successfully delivered; the saved
+			 * sigmask will have been stored in the signal frame,
+			 * and will be restored by sigreturn, so we can simply
+			 * clear the TIF_RESTORE_SIGMASK flag.
+			 */
+			if (test_thread_flag(TIF_RESTORE_SIGMASK))
+				clear_thread_flag(TIF_RESTORE_SIGMASK);
+		}
+		return;
+	}
+
+	/*
+	 * If there's no signal to deliver, we just put the saved sigmask back.
+	 */
+	if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
+		clear_thread_flag(TIF_RESTORE_SIGMASK);
+		sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
 	}
 
 	/* Restart a different system call. */
@@ -522,5 +519,4 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
 		regs->gprs[2] = __NR_restart_syscall;
 		set_thread_flag(TIF_RESTART_SVC);
 	}
-	return 0;
 }
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index cbfcfd02a43..7dbe00c76c6 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -1,8 +1,7 @@
 /*
  *  arch/s390/kernel/smp.c
  *
- *  S390 version
- *    Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ *    Copyright (C) IBM Corp. 1999,2006
  *    Author(s): Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com),
  *               Martin Schwidefsky (schwidefsky@de.ibm.com)
  *               Heiko Carstens (heiko.carstens@de.ibm.com)
@@ -41,8 +40,6 @@
 #include <asm/cpcmd.h>
 #include <asm/tlbflush.h>
 
-/* prototypes */
-
 extern volatile int __cpu_logical_map[];
 
 /*
@@ -51,13 +48,11 @@ extern volatile int __cpu_logical_map[];
 
 struct _lowcore *lowcore_ptr[NR_CPUS];
 
-cpumask_t cpu_online_map;
-cpumask_t cpu_possible_map;
+cpumask_t cpu_online_map = CPU_MASK_NONE;
+cpumask_t cpu_possible_map = CPU_MASK_NONE;
 
 static struct task_struct *current_set[NR_CPUS];
 
-EXPORT_SYMBOL(cpu_online_map);
-
 /*
  * Reboot, halt and power_off routines for SMP.
  */
@@ -490,10 +485,10 @@ void smp_ctl_clear_bit(int cr, int bit) {
  * Lets check how many CPUs we have.
  */
 
-void
-__init smp_check_cpus(unsigned int max_cpus)
+static unsigned int
+__init smp_count_cpus(void)
 {
-	int cpu, num_cpus;
+	unsigned int cpu, num_cpus;
 	__u16 boot_cpu_addr;
 
 	/*
@@ -503,22 +498,20 @@ __init smp_check_cpus(unsigned int max_cpus)
 	boot_cpu_addr = S390_lowcore.cpu_data.cpu_addr;
 	current_thread_info()->cpu = 0;
 	num_cpus = 1;
-	for (cpu = 0; cpu <= 65535 && num_cpus < max_cpus; cpu++) {
+	for (cpu = 0; cpu <= 65535; cpu++) {
 		if ((__u16) cpu == boot_cpu_addr)
 			continue;
-		__cpu_logical_map[num_cpus] = (__u16) cpu;
-		if (signal_processor(num_cpus, sigp_sense) ==
+		__cpu_logical_map[1] = (__u16) cpu;
+		if (signal_processor(1, sigp_sense) ==
 		    sigp_not_operational)
 			continue;
-		cpu_set(num_cpus, cpu_present_map);
 		num_cpus++;
 	}
 
-	for (cpu = 1; cpu < max_cpus; cpu++)
-		cpu_set(cpu, cpu_possible_map);
-
 	printk("Detected %d CPU's\n",(int) num_cpus);
 	printk("Boot cpu address %2X\n", boot_cpu_addr);
+
+	return num_cpus;
 }
 
 /*
@@ -679,6 +672,44 @@ __cpu_up(unsigned int cpu)
 	return 0;
 }
 
+static unsigned int __initdata additional_cpus;
+static unsigned int __initdata possible_cpus;
+
+void __init smp_setup_cpu_possible_map(void)
+{
+	unsigned int phy_cpus, pos_cpus, cpu;
+
+	phy_cpus = smp_count_cpus();
+	pos_cpus = min(phy_cpus + additional_cpus, (unsigned int) NR_CPUS);
+
+	if (possible_cpus)
+		pos_cpus = min(possible_cpus, (unsigned int) NR_CPUS);
+
+	for (cpu = 0; cpu < pos_cpus; cpu++)
+		cpu_set(cpu, cpu_possible_map);
+
+	phy_cpus = min(phy_cpus, pos_cpus);
+
+	for (cpu = 0; cpu < phy_cpus; cpu++)
+		cpu_set(cpu, cpu_present_map);
+}
+
+#ifdef CONFIG_HOTPLUG_CPU
+
+static int __init setup_additional_cpus(char *s)
+{
+	additional_cpus = simple_strtoul(s, NULL, 0);
+	return 0;
+}
+early_param("additional_cpus", setup_additional_cpus);
+
+static int __init setup_possible_cpus(char *s)
+{
+	possible_cpus = simple_strtoul(s, NULL, 0);
+	return 0;
+}
+early_param("possible_cpus", setup_possible_cpus);
+
 int
 __cpu_disable(void)
 {
@@ -747,6 +778,8 @@ cpu_die(void)
 	for(;;);
 }
 
+#endif /* CONFIG_HOTPLUG_CPU */
+
 /*
  *	Cycle through the processors and setup structures.
  */
@@ -760,7 +793,6 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
         /* request the 0x1201 emergency signal external interrupt */
         if (register_external_interrupt(0x1201, do_ext_call_interrupt) != 0)
                 panic("Couldn't request external interrupt 0x1201");
-        smp_check_cpus(max_cpus);
         memset(lowcore_ptr,0,sizeof(lowcore_ptr));  
         /*
          *  Initialize prefix pages and stacks for all possible cpus
@@ -809,8 +841,6 @@ void __devinit smp_prepare_boot_cpu(void)
 	BUG_ON(smp_processor_id() != 0);
 
 	cpu_set(0, cpu_online_map);
-	cpu_set(0, cpu_present_map);
-	cpu_set(0, cpu_possible_map);
 	S390_lowcore.percpu_offset = __per_cpu_offset[0];
 	current_set[0] = current;
 }
@@ -849,6 +879,7 @@ static int __init topology_init(void)
 
 subsys_initcall(topology_init);
 
+EXPORT_SYMBOL(cpu_online_map);
 EXPORT_SYMBOL(cpu_possible_map);
 EXPORT_SYMBOL(lowcore_ptr);
 EXPORT_SYMBOL(smp_ctl_set_bit);
diff --git a/arch/s390/kernel/sys_s390.c b/arch/s390/kernel/sys_s390.c
index 6a63553493c..e351780bb66 100644
--- a/arch/s390/kernel/sys_s390.c
+++ b/arch/s390/kernel/sys_s390.c
@@ -122,8 +122,8 @@ out:
 #ifndef CONFIG_64BIT
 struct sel_arg_struct {
 	unsigned long n;
-	fd_set *inp, *outp, *exp;
-	struct timeval *tvp;
+	fd_set __user *inp, *outp, *exp;
+	struct timeval __user *tvp;
 };
 
 asmlinkage long old_select(struct sel_arg_struct __user *arg)
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 426d7cafdab..7c88d85c359 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -80,7 +80,7 @@ NI_SYSCALL							/* old sgetmask syscall*/
 NI_SYSCALL							/* old ssetmask syscall*/
 SYSCALL(sys_setreuid16,sys_ni_syscall,sys32_setreuid16_wrapper)	/* old setreuid16 syscall */
 SYSCALL(sys_setregid16,sys_ni_syscall,sys32_setregid16_wrapper)	/* old setregid16 syscall */
-SYSCALL(sys_sigsuspend_glue,sys_sigsuspend_glue,sys32_sigsuspend_glue)
+SYSCALL(sys_sigsuspend,sys_sigsuspend,sys_sigsuspend_wrapper)
 SYSCALL(sys_sigpending,sys_sigpending,compat_sys_sigpending_wrapper)
 SYSCALL(sys_sethostname,sys_sethostname,sys32_sethostname_wrapper)
 SYSCALL(sys_setrlimit,sys_setrlimit,compat_sys_setrlimit_wrapper)	/* 75 */
@@ -187,7 +187,7 @@ SYSCALL(sys_rt_sigprocmask,sys_rt_sigprocmask,sys32_rt_sigprocmask_wrapper)	/* 1
 SYSCALL(sys_rt_sigpending,sys_rt_sigpending,sys32_rt_sigpending_wrapper)
 SYSCALL(sys_rt_sigtimedwait,sys_rt_sigtimedwait,compat_sys_rt_sigtimedwait_wrapper)
 SYSCALL(sys_rt_sigqueueinfo,sys_rt_sigqueueinfo,sys32_rt_sigqueueinfo_wrapper)
-SYSCALL(sys_rt_sigsuspend_glue,sys_rt_sigsuspend_glue,sys32_rt_sigsuspend_glue)
+SYSCALL(sys_rt_sigsuspend,sys_rt_sigsuspend,compat_sys_rt_sigsuspend_wrapper)
 SYSCALL(sys_pread64,sys_pread64,sys32_pread64_wrapper)		/* 180 */
 SYSCALL(sys_pwrite64,sys_pwrite64,sys32_pwrite64_wrapper)
 SYSCALL(sys_chown16,sys_ni_syscall,sys32_chown16_wrapper)	/* old chown16 syscall */
@@ -293,5 +293,22 @@ SYSCALL(sys_waitid,sys_waitid,compat_sys_waitid_wrapper)
 SYSCALL(sys_ioprio_set,sys_ioprio_set,sys_ioprio_set_wrapper)
 SYSCALL(sys_ioprio_get,sys_ioprio_get,sys_ioprio_get_wrapper)
 SYSCALL(sys_inotify_init,sys_inotify_init,sys_inotify_init)
-SYSCALL(sys_inotify_add_watch,sys_inotify_add_watch,sys_inotify_add_watch_wrapper)
+SYSCALL(sys_inotify_add_watch,sys_inotify_add_watch,sys_inotify_add_watch_wrapper)	/* 285 */
 SYSCALL(sys_inotify_rm_watch,sys_inotify_rm_watch,sys_inotify_rm_watch_wrapper)
+NI_SYSCALL							/* 287 sys_migrate_pages */
+SYSCALL(sys_openat,sys_openat,compat_sys_openat_wrapper)
+SYSCALL(sys_mkdirat,sys_mkdirat,sys_mkdirat_wrapper)
+SYSCALL(sys_mknodat,sys_mknodat,sys_mknodat_wrapper)	/* 290 */
+SYSCALL(sys_fchownat,sys_fchownat,sys_fchownat_wrapper)
+SYSCALL(sys_futimesat,sys_futimesat,compat_sys_futimesat_wrapper)
+SYSCALL(sys_fstatat64,sys_newfstatat,sys32_fstatat64_wrapper)
+SYSCALL(sys_unlinkat,sys_unlinkat,sys_unlinkat_wrapper)
+SYSCALL(sys_renameat,sys_renameat,sys_renameat_wrapper)	/* 295 */
+SYSCALL(sys_linkat,sys_linkat,sys_linkat_wrapper)
+SYSCALL(sys_symlinkat,sys_symlinkat,sys_symlinkat_wrapper)
+SYSCALL(sys_readlinkat,sys_readlinkat,sys_readlinkat_wrapper)
+SYSCALL(sys_fchmodat,sys_fchmodat,sys_fchmodat_wrapper)
+SYSCALL(sys_faccessat,sys_faccessat,sys_faccessat_wrapper)	/* 300 */
+SYSCALL(sys_pselect6,sys_pselect6,compat_sys_pselect6_wrapper)
+SYSCALL(sys_ppoll,sys_ppoll,compat_sys_ppoll_wrapper)
+SYSCALL(sys_unshare,sys_unshare,sys_unshare_wrapper)
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index 7c0fe152a11..fea043b69b9 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -61,9 +61,18 @@ extern unsigned long wall_jiffies;
  */
 unsigned long long sched_clock(void)
 {
-	return ((get_clock() - jiffies_timer_cc) * 1000) >> 12;
+	return ((get_clock() - jiffies_timer_cc) * 125) >> 9;
 }
 
+/*
+ * Monotonic_clock - returns # of nanoseconds passed since time_init()
+ */
+unsigned long long monotonic_clock(void)
+{
+	return sched_clock();
+}
+EXPORT_SYMBOL(monotonic_clock);
+
 void tod_to_timeval(__u64 todval, struct timespec *xtime)
 {
 	unsigned long long sec;
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index 5d21e9e6e7b..a46793beedd 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -486,7 +486,7 @@ asmlinkage void illegal_op(struct pt_regs * regs, long interruption_code)
 		info.si_signo = signal;
 		info.si_errno = 0;
 		info.si_code = ILL_ILLOPC;
-		info.si_addr = (void *) location;
+		info.si_addr = (void __user *) location;
 		do_trap(interruption_code, signal,
 			"illegal operation", regs, &info);
 	}
diff --git a/arch/s390/lib/Makefile b/arch/s390/lib/Makefile
index f20b51ff1d8..e05d087a6ea 100644
--- a/arch/s390/lib/Makefile
+++ b/arch/s390/lib/Makefile
@@ -6,4 +6,4 @@ EXTRA_AFLAGS := -traditional
 
 lib-y += delay.o string.o
 lib-y += $(if $(CONFIG_64BIT),uaccess64.o,uaccess.o)
-lib-$(CONFIG_SMP) += spinlock.o
\ No newline at end of file
+lib-$(CONFIG_SMP) += spinlock.o
diff --git a/arch/s390/lib/delay.c b/arch/s390/lib/delay.c
index e96c35bddac..71f0a2fb307 100644
--- a/arch/s390/lib/delay.c
+++ b/arch/s390/lib/delay.c
@@ -30,7 +30,7 @@ void __delay(unsigned long loops)
          */
         __asm__ __volatile__(
                 "0: brct %0,0b"
-                : /* no outputs */ : "r" (loops/2) );
+                : /* no outputs */ : "r" ((loops/2) + 1));
 }
 
 /*
diff --git a/arch/s390/lib/spinlock.c b/arch/s390/lib/spinlock.c
index 60f80a4eed4..b9b7958a226 100644
--- a/arch/s390/lib/spinlock.c
+++ b/arch/s390/lib/spinlock.c
@@ -2,8 +2,7 @@
  *  arch/s390/lib/spinlock.c
  *    Out of line spinlock code.
  *
- *  S390 version
- *    Copyright (C) 2004 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ *    Copyright (C) IBM Corp. 2004, 2006
  *    Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
  */
 
@@ -44,6 +43,8 @@ _raw_spin_lock_wait(raw_spinlock_t *lp, unsigned int pc)
 			_diag44();
 			count = spin_retry;
 		}
+		if (__raw_spin_is_locked(lp))
+			continue;
 		if (_raw_compare_and_swap(&lp->lock, 0, pc) == 0)
 			return;
 	}
@@ -56,6 +57,8 @@ _raw_spin_trylock_retry(raw_spinlock_t *lp, unsigned int pc)
 	int count = spin_retry;
 
 	while (count-- > 0) {
+		if (__raw_spin_is_locked(lp))
+			continue;
 		if (_raw_compare_and_swap(&lp->lock, 0, pc) == 0)
 			return 1;
 	}
@@ -74,6 +77,8 @@ _raw_read_lock_wait(raw_rwlock_t *rw)
 			_diag44();
 			count = spin_retry;
 		}
+		if (!__raw_read_can_lock(rw))
+			continue;
 		old = rw->lock & 0x7fffffffU;
 		if (_raw_compare_and_swap(&rw->lock, old, old + 1) == old)
 			return;
@@ -88,6 +93,8 @@ _raw_read_trylock_retry(raw_rwlock_t *rw)
 	int count = spin_retry;
 
 	while (count-- > 0) {
+		if (!__raw_read_can_lock(rw))
+			continue;
 		old = rw->lock & 0x7fffffffU;
 		if (_raw_compare_and_swap(&rw->lock, old, old + 1) == old)
 			return 1;
@@ -106,6 +113,8 @@ _raw_write_lock_wait(raw_rwlock_t *rw)
 			_diag44();
 			count = spin_retry;
 		}
+		if (!__raw_write_can_lock(rw))
+			continue;
 		if (_raw_compare_and_swap(&rw->lock, 0, 0x80000000) == 0)
 			return;
 	}
@@ -118,6 +127,8 @@ _raw_write_trylock_retry(raw_rwlock_t *rw)
 	int count = spin_retry;
 
 	while (count-- > 0) {
+		if (!__raw_write_can_lock(rw))
+			continue;
 		if (_raw_compare_and_swap(&rw->lock, 0, 0x80000000) == 0)
 			return 1;
 	}
diff --git a/arch/s390/lib/uaccess.S b/arch/s390/lib/uaccess.S
index 88fc94fe648..5d59e262504 100644
--- a/arch/s390/lib/uaccess.S
+++ b/arch/s390/lib/uaccess.S
@@ -198,12 +198,12 @@ __strnlen_user_asm:
 0:	srst	%r2,%r1
 	jo	0b
 	sacf	0
-	jh	1f		# \0 found in string ?
 	ahi	%r2,1		# strnlen_user result includes the \0
-1:	slr	%r2,%r3
+				# or return count+1 if \0 not found
+	slr	%r2,%r3
 	br	%r14
 2:	sacf	0
-	lhi	%r2,-EFAULT
+	slr	%r2,%r2		# return 0 on exception
 	br	%r14
 	.section __ex_table,"a"
 	.long	0b,2b
diff --git a/arch/s390/lib/uaccess64.S b/arch/s390/lib/uaccess64.S
index 50219786fc7..19b41a33c23 100644
--- a/arch/s390/lib/uaccess64.S
+++ b/arch/s390/lib/uaccess64.S
@@ -194,12 +194,12 @@ __strnlen_user_asm:
 0:	srst	%r2,%r1
 	jo	0b
 	sacf	0
-	jh	1f		# \0 found in string ?
 	aghi	%r2,1		# strnlen_user result includes the \0
-1:	slgr	%r2,%r3
+				# or return count+1 if \0 not found
+	slgr	%r2,%r3
 	br	%r14
 2:	sacf	0
-	lghi	%r2,-EFAULT
+	slgr	%r2,%r2		# return 0 on exception
 	br	%r14
 	.section __ex_table,"a"
 	.quad	0b,2b
diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index 2d5cb138575..b075ab499d0 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -42,8 +42,8 @@ static volatile long cmm_timed_pages_target = 0;
 static long cmm_timeout_pages = 0;
 static long cmm_timeout_seconds = 0;
 
-static struct cmm_page_array *cmm_page_list = 0;
-static struct cmm_page_array *cmm_timed_page_list = 0;
+static struct cmm_page_array *cmm_page_list = NULL;
+static struct cmm_page_array *cmm_timed_page_list = NULL;
 
 static unsigned long cmm_thread_active = 0;
 static struct work_struct cmm_thread_starter;
@@ -259,7 +259,7 @@ static struct ctl_table cmm_table[];
 
 static int
 cmm_pages_handler(ctl_table *ctl, int write, struct file *filp,
-		  void *buffer, size_t *lenp, loff_t *ppos)
+		  void __user *buffer, size_t *lenp, loff_t *ppos)
 {
 	char buf[16], *p;
 	long pages;
@@ -300,7 +300,7 @@ cmm_pages_handler(ctl_table *ctl, int write, struct file *filp,
 
 static int
 cmm_timeout_handler(ctl_table *ctl, int write, struct file *filp,
-		    void *buffer, size_t *lenp, loff_t *ppos)
+		    void __user *buffer, size_t *lenp, loff_t *ppos)
 {
 	char buf[64], *p;
 	long pages, seconds;
@@ -419,7 +419,7 @@ cmm_init (void)
 #ifdef CONFIG_CMM_IUCV
 	smsg_register_callback(SMSG_PREFIX, cmm_smsg_target);
 #endif
-	INIT_WORK(&cmm_thread_starter, (void *) cmm_start_thread, 0);
+	INIT_WORK(&cmm_thread_starter, (void *) cmm_start_thread, NULL);
 	init_waitqueue_head(&cmm_thread_wait);
 	init_timer(&cmm_timer);
 	return 0;