Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

24 files changed, 260 insertions, 97 deletions

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 224fbff79969..2f4f70c4dbb2 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -118,12 +118,9 @@ config SYSVIPC_COMPAT
         depends on COMPAT && SYSVIPC
         default y
 
-config BINFMT_ELF32
-        tristate "Kernel support for 31 bit ELF binaries"
-        depends on COMPAT
-        help
-          This allows you to run 32-bit Linux/ELF binaries on your zSeries
-          in 64 bit mode. Everybody wants this; say Y.
+config AUDIT_ARCH
+        bool
+        default y
 
 comment "Code generation options"
 
diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c
index d0f82c995af6..a0a94e0ef8d1 100644
--- a/arch/s390/appldata/appldata_base.c
+++ b/arch/s390/appldata/appldata_base.c
@@ -617,6 +617,7 @@ appldata_offline_cpu(int cpu)
         spin_unlock(&appldata_timer_lock);
 }
 
+#ifdef CONFIG_HOTPLUG_CPU
 static int __cpuinit
 appldata_cpu_notify(struct notifier_block *self,
                     unsigned long action, void *hcpu)
@@ -625,20 +626,19 @@ appldata_cpu_notify(struct notifier_block *self,
         case CPU_ONLINE:
                 appldata_online_cpu((long) hcpu);
                 break;
-#ifdef CONFIG_HOTPLUG_CPU
         case CPU_DEAD:
                 appldata_offline_cpu((long) hcpu);
                 break;
-#endif
         default:
                 break;
         }
         return NOTIFY_OK;
 }
 
-static struct notifier_block __devinitdata appldata_nb = {
+static struct notifier_block appldata_nb = {
         .notifier_call = appldata_cpu_notify,
 };
+#endif
 
 /*
  * appldata_init()
@@ -662,7 +662,7 @@ static int __init appldata_init(void)
                 appldata_online_cpu(i);
 
         /* Register cpu hotplug notifier */
-        register_cpu_notifier(&appldata_nb);
+        register_hotcpu_notifier(&appldata_nb);
 
         appldata_sysctl_header = register_sysctl_table(appldata_dir_table, 1);
 #ifdef MODULE
diff --git a/arch/s390/defconfig b/arch/s390/defconfig
index f4dfc10026d2..f1d4591eddbb 100644
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -1,13 +1,16 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.17-rc1
-# Mon Apr  3 14:34:15 2006
+# Linux kernel version: 2.6.18-rc2
+# Thu Jul 27 13:51:07 2006
 #
 CONFIG_MMU=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_RWSEM_XCHGADD_ALGORITHM=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
 CONFIG_S390=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
 # Code maturity level options
@@ -25,6 +28,7 @@ CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 # CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
 CONFIG_SYSCTL=y
 CONFIG_AUDIT=y
 # CONFIG_AUDITSYSCALL is not set
@@ -43,10 +47,12 @@ CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
 CONFIG_BASE_FULL=y
+CONFIG_RT_MUTEXES=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
 CONFIG_SHMEM=y
 CONFIG_SLAB=y
+CONFIG_VM_EVENT_COUNTERS=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
 # CONFIG_SLOB is not set
@@ -94,7 +100,6 @@ CONFIG_HOTPLUG_CPU=y
 CONFIG_DEFAULT_MIGRATION_COST=1000000
 CONFIG_COMPAT=y
 CONFIG_SYSVIPC_COMPAT=y
-CONFIG_BINFMT_ELF32=y
 
 #
 # Code generation options
@@ -115,6 +120,7 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_RESOURCES_64BIT=y
 
 #
 # I/O subsystem configuration
@@ -142,6 +148,7 @@ CONFIG_VIRT_CPU_ACCOUNTING=y
 # CONFIG_APPLDATA_BASE is not set
 CONFIG_NO_IDLE_HZ=y
 CONFIG_NO_IDLE_HZ_INIT=y
+CONFIG_S390_HYPFS_FS=y
 CONFIG_KEXEC=y
 
 #
@@ -174,6 +181,8 @@ CONFIG_IP_FIB_HASH=y
 # CONFIG_INET_IPCOMP is not set
 # CONFIG_INET_XFRM_TUNNEL is not set
 # CONFIG_INET_TUNNEL is not set
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
 CONFIG_INET_DIAG=y
 CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
@@ -186,7 +195,10 @@ CONFIG_IPV6=y
 # CONFIG_INET6_IPCOMP is not set
 # CONFIG_INET6_XFRM_TUNNEL is not set
 # CONFIG_INET6_TUNNEL is not set
+CONFIG_INET6_XFRM_MODE_TRANSPORT=y
+CONFIG_INET6_XFRM_MODE_TUNNEL=y
 # CONFIG_IPV6_TUNNEL is not set
+# CONFIG_NETWORK_SECMARK is not set
 # CONFIG_NETFILTER is not set
 
 #
@@ -263,6 +275,7 @@ CONFIG_NET_ESTIMATOR=y
 # Network testing
 #
 # CONFIG_NET_PKTGEN is not set
+# CONFIG_NET_TCPPROBE is not set
 # CONFIG_HAMRADIO is not set
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
@@ -276,6 +289,7 @@ CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 # CONFIG_FW_LOADER is not set
 # CONFIG_DEBUG_DRIVER is not set
+CONFIG_SYS_HYPERVISOR=y
 
 #
 # Connector - unified userspace <-> kernelspace linker
@@ -334,6 +348,7 @@ CONFIG_BLK_DEV_NBD=m
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=4096
+CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CDROM_PKTCDVD is not set
 
@@ -359,9 +374,7 @@ CONFIG_MD_LINEAR=m
 CONFIG_MD_RAID0=m
 CONFIG_MD_RAID1=m
 # CONFIG_MD_RAID10 is not set
-CONFIG_MD_RAID5=m
-# CONFIG_MD_RAID5_RESHAPE is not set
-# CONFIG_MD_RAID6 is not set
+# CONFIG_MD_RAID456 is not set
 CONFIG_MD_MULTIPATH=m
 # CONFIG_MD_FAULTY is not set
 CONFIG_BLK_DEV_DM=y
@@ -419,7 +432,8 @@ CONFIG_S390_TAPE_34XX=m
 #
 # Cryptographic devices
 #
-CONFIG_Z90CRYPT=m
+CONFIG_ZCRYPT=m
+# CONFIG_ZCRYPT_MONOLITHIC is not set
 
 #
 # Network device support
@@ -509,6 +523,7 @@ CONFIG_FS_MBCACHE=y
 # CONFIG_MINIX_FS is not set
 # CONFIG_ROMFS_FS is not set
 CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTA is not set
 CONFIG_DNOTIFY=y
 # CONFIG_AUTOFS_FS is not set
@@ -614,26 +629,36 @@ CONFIG_MSDOS_PARTITION=y
 # Instrumentation Support
 #
 # CONFIG_PROFILING is not set
-# CONFIG_STATISTICS is not set
+CONFIG_STATISTICS=y
+CONFIG_KPROBES=y
 
 #
 # Kernel hacking
 #
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 # CONFIG_PRINTK_TIME is not set
 CONFIG_MAGIC_SYSRQ=y
+# CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_KERNEL=y
 CONFIG_LOG_BUF_SHIFT=17
 # CONFIG_DETECT_SOFTLOCKUP is not set
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_DEBUG_SLAB is not set
 CONFIG_DEBUG_PREEMPT=y
-CONFIG_DEBUG_MUTEXES=y
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
 CONFIG_DEBUG_SPINLOCK=y
+CONFIG_DEBUG_MUTEXES=y
+# CONFIG_DEBUG_RWSEMS is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
 CONFIG_DEBUG_SPINLOCK_SLEEP=y
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS 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_FRAME_POINTER is not set
 # CONFIG_UNWIND_INFO is not set
 CONFIG_FORCED_INLINING=y
 # CONFIG_RCU_TORTURE_TEST is not set
@@ -688,3 +713,4 @@ CONFIG_CRYPTO=y
 # CONFIG_CRC16 is not set
 CONFIG_CRC32=m
 # CONFIG_LIBCRC32C is not set
+CONFIG_PLIST=y
diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c
index efa74af7f04a..1785bce2b919 100644
--- a/arch/s390/hypfs/hypfs_diag.c
+++ b/arch/s390/hypfs/hypfs_diag.c
@@ -403,7 +403,7 @@ static void *diag204_get_buffer(enum diag204_format fmt, int *pages)
                 *pages = 1;
                 return diag204_alloc_rbuf();
         } else {/* INFO_EXT */
-                *pages = diag204(SUBC_RSI | INFO_EXT, 0, 0);
+                *pages = diag204(SUBC_RSI | INFO_EXT, 0, NULL);
                 if (*pages <= 0)
                         return ERR_PTR(-ENOSYS);
                 else
diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile
index eabf00a6f770..9a33ed6ca696 100644
--- a/arch/s390/kernel/Makefile
+++ b/arch/s390/kernel/Makefile
@@ -16,9 +16,11 @@ extra-y				+= head.o init_task.o vmlinux.lds
 obj-$(CONFIG_MODULES)           += s390_ksyms.o module.o
 obj-$(CONFIG_SMP)               += smp.o
 
+obj-$(CONFIG_AUDIT)             += audit.o
+compat-obj-$(CONFIG_AUDIT)      += compat_audit.o
 obj-$(CONFIG_COMPAT)            += compat_linux.o compat_signal.o \
-                                        compat_wrapper.o compat_exec_domain.o
-obj-$(CONFIG_BINFMT_ELF32)      += binfmt_elf32.o
+                                        compat_wrapper.o compat_exec_domain.o \
+                                        binfmt_elf32.o $(compat-obj-y)
 
 obj-$(CONFIG_VIRT_TIMER)        += vtime.o
 obj-$(CONFIG_STACKTRACE)        += stacktrace.o
diff --git a/arch/s390/kernel/audit.c b/arch/s390/kernel/audit.c
new file mode 100644
index 000000000000..0741d9193390
--- /dev/null
+++ b/arch/s390/kernel/audit.c
@@ -0,0 +1,66 @@
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/audit.h>
+#include <asm/unistd.h>
+
+static unsigned dir_class[] = {
+#include <asm-generic/audit_dir_write.h>
+~0U
+};
+
+static unsigned read_class[] = {
+#include <asm-generic/audit_read.h>
+~0U
+};
+
+static unsigned write_class[] = {
+#include <asm-generic/audit_write.h>
+~0U
+};
+
+static unsigned chattr_class[] = {
+#include <asm-generic/audit_change_attr.h>
+~0U
+};
+
+int audit_classify_syscall(int abi, unsigned syscall)
+{
+#ifdef CONFIG_COMPAT
+        extern int s390_classify_syscall(unsigned);
+        if (abi == AUDIT_ARCH_S390)
+                return s390_classify_syscall(syscall);
+#endif
+        switch(syscall) {
+        case __NR_open:
+                return 2;
+        case __NR_openat:
+                return 3;
+        case __NR_socketcall:
+                return 4;
+        case __NR_execve:
+                return 5;
+        default:
+                return 0;
+        }
+}
+
+static int __init audit_classes_init(void)
+{
+#ifdef CONFIG_COMPAT
+        extern __u32 s390_dir_class[];
+        extern __u32 s390_write_class[];
+        extern __u32 s390_read_class[];
+        extern __u32 s390_chattr_class[];
+        audit_register_class(AUDIT_CLASS_WRITE_32, s390_write_class);
+        audit_register_class(AUDIT_CLASS_READ_32, s390_read_class);
+        audit_register_class(AUDIT_CLASS_DIR_WRITE_32, s390_dir_class);
+        audit_register_class(AUDIT_CLASS_CHATTR_32, s390_chattr_class);
+#endif
+        audit_register_class(AUDIT_CLASS_WRITE, write_class);
+        audit_register_class(AUDIT_CLASS_READ, read_class);
+        audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
+        audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
+        return 0;
+}
+
+__initcall(audit_classes_init);
diff --git a/arch/s390/kernel/compat_audit.c b/arch/s390/kernel/compat_audit.c
new file mode 100644
index 000000000000..16d9436bfa91
--- /dev/null
+++ b/arch/s390/kernel/compat_audit.c
@@ -0,0 +1,38 @@
+#undef __s390x__
+#include <asm/unistd.h>
+
+unsigned s390_dir_class[] = {
+#include <asm-generic/audit_dir_write.h>
+~0U
+};
+
+unsigned s390_chattr_class[] = {
+#include <asm-generic/audit_change_attr.h>
+~0U
+};
+
+unsigned s390_write_class[] = {
+#include <asm-generic/audit_write.h>
+~0U
+};
+
+unsigned s390_read_class[] = {
+#include <asm-generic/audit_read.h>
+~0U
+};
+
+int s390_classify_syscall(unsigned syscall)
+{
+        switch(syscall) {
+        case __NR_open:
+                return 2;
+        case __NR_openat:
+                return 3;
+        case __NR_socketcall:
+                return 4;
+        case __NR_execve:
+                return 5;
+        default:
+                return 1;
+        }
+}
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index cabb4ff54cd7..785c9f70ac98 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -409,7 +409,7 @@ asmlinkage long sys32_sysinfo(struct sysinfo32 __user *info)
         mm_segment_t old_fs = get_fs ();
         
         set_fs (KERNEL_DS);
-        ret = sys_sysinfo(&s);
+        ret = sys_sysinfo((struct sysinfo __user *) &s);
         set_fs (old_fs);
         err = put_user (s.uptime, &info->uptime);
         err |= __put_user (s.loads[0], &info->loads[0]);
@@ -438,7 +438,7 @@ asmlinkage long sys32_sched_rr_get_interval(compat_pid_t pid,
         mm_segment_t old_fs = get_fs ();
         
         set_fs (KERNEL_DS);
-        ret = sys_sched_rr_get_interval(pid, &t);
+        ret = sys_sched_rr_get_interval(pid, (struct timespec __user *) &t);
         set_fs (old_fs);
         if (put_compat_timespec(&t, interval))
                 return -EFAULT;
@@ -464,7 +464,10 @@ asmlinkage long sys32_rt_sigprocmask(int how, compat_sigset_t __user *set,
                 }
         }
         set_fs (KERNEL_DS);
-        ret = sys_rt_sigprocmask(how, set ? &s : NULL, oset ? &s : NULL, sigsetsize);
+        ret = sys_rt_sigprocmask(how,
+                                 set ? (sigset_t __user *) &s : NULL,
+                                 oset ? (sigset_t __user *) &s : NULL,
+                                 sigsetsize);
         set_fs (old_fs);
         if (ret) return ret;
         if (oset) {
@@ -489,7 +492,7 @@ asmlinkage long sys32_rt_sigpending(compat_sigset_t __user *set,
         mm_segment_t old_fs = get_fs();
                 
         set_fs (KERNEL_DS);
-        ret = sys_rt_sigpending(&s, sigsetsize);
+        ret = sys_rt_sigpending((sigset_t __user *) &s, sigsetsize);
         set_fs (old_fs);
         if (!ret) {
                 switch (_NSIG_WORDS) {
@@ -514,7 +517,7 @@ sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo)
         if (copy_siginfo_from_user32(&info, uinfo))
                 return -EFAULT;
         set_fs (KERNEL_DS);
-        ret = sys_rt_sigqueueinfo(pid, sig, &info);
+        ret = sys_rt_sigqueueinfo(pid, sig, (siginfo_t __user *) &info);
         set_fs (old_fs);
         return ret;
 }
@@ -674,7 +677,8 @@ asmlinkage long sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offse
                 return -EFAULT;
                 
         set_fs(KERNEL_DS);
-        ret = sys_sendfile(out_fd, in_fd, offset ? &of : NULL, count);
+        ret = sys_sendfile(out_fd, in_fd,
+                           offset ? (off_t __user *) &of : NULL, count);
         set_fs(old_fs);
         
         if (offset && put_user(of, offset))
@@ -694,7 +698,8 @@ asmlinkage long sys32_sendfile64(int out_fd, int in_fd,
                 return -EFAULT;
                 
         set_fs(KERNEL_DS);
-        ret = sys_sendfile64(out_fd, in_fd, offset ? &lof : NULL, count);
+        ret = sys_sendfile64(out_fd, in_fd,
+                             offset ? (loff_t __user *) &lof : NULL, count);
         set_fs(old_fs);
         
         if (offset && put_user(lof, offset))
diff --git a/arch/s390/kernel/head31.S b/arch/s390/kernel/head31.S
index d00de17b3778..a4dc61f3285e 100644
--- a/arch/s390/kernel/head31.S
+++ b/arch/s390/kernel/head31.S
@@ -273,7 +273,7 @@ startup_continue:
 .Lbss_end:  .long _end
 .Lparmaddr: .long PARMAREA
 .Lsccbaddr: .long .Lsccb
-        .align  4096
+        .org    0x12000
 .Lsccb:
         .hword  0x1000                  # length, one page
         .byte   0x00,0x00,0x00
@@ -290,7 +290,7 @@ startup_continue:
 .Lscpincr2:
         .quad   0x00
         .fill   3984,1,0
-        .align  4096
+        .org    0x13000
 
 #ifdef CONFIG_SHARED_KERNEL
         .org    0x100000
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S
index 47744fcca930..9d80c5b1ef95 100644
--- a/arch/s390/kernel/head64.S
+++ b/arch/s390/kernel/head64.S
@@ -268,7 +268,7 @@ startup_continue:
 .Lparmaddr:
         .quad   PARMAREA
 
-        .align 4096
+        .org    0x12000
 .Lsccb:
         .hword 0x1000                   # length, one page
         .byte 0x00,0x00,0x00
@@ -285,7 +285,7 @@ startup_continue:
 .Lscpincr2:
         .quad 0x00
         .fill 3984,1,0
-        .align 4096
+        .org    0x13000
 
 #ifdef CONFIG_SHARED_KERNEL
         .org   0x100000
diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c
index fbde6a915264..60b1ea9f946b 100644
--- a/arch/s390/kernel/machine_kexec.c
+++ b/arch/s390/kernel/machine_kexec.c
@@ -63,6 +63,7 @@ NORET_TYPE void
 machine_kexec(struct kimage *image)
 {
         clear_all_subchannels();
+        cio_reset_channel_paths();
 
         /* Disable lowcore protection */
         ctl_clear_bit(0,28);
diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c
index c271cdab58e2..d989ed45a7aa 100644
--- a/arch/s390/kernel/module.c
+++ b/arch/s390/kernel/module.c
@@ -119,7 +119,7 @@ module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
         int nrela, i, j;
 
         /* Find symbol table and string table. */
-        symtab = 0;
+        symtab = NULL;
         for (i = 0; i < hdr->e_shnum; i++)
                 switch (sechdrs[i].sh_type) {
                 case SHT_SYMTAB:
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 78c8e5548caf..d3cbfa3005ec 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -172,7 +172,7 @@ void show_regs(struct pt_regs *regs)
         show_registers(regs);
         /* Show stack backtrace if pt_regs is from kernel mode */
         if (!(regs->psw.mask & PSW_MASK_PSTATE))
-                show_trace(0,(unsigned long *) regs->gprs[15]);
+                show_trace(NULL, (unsigned long *) regs->gprs[15]);
 }
 
 extern void kernel_thread_starter(void);
diff --git a/arch/s390/kernel/profile.c b/arch/s390/kernel/profile.c
index 7ba777eec1a8..b81aa1f569ca 100644
--- a/arch/s390/kernel/profile.c
+++ b/arch/s390/kernel/profile.c
@@ -13,7 +13,7 @@ static struct proc_dir_entry * root_irq_dir;
 void init_irq_proc(void)
 {
         /* create /proc/irq */
-        root_irq_dir = proc_mkdir("irq", 0);
+        root_irq_dir = proc_mkdir("irq", NULL);
 
         /* create /proc/irq/prof_cpu_mask */
         create_prof_cpu_mask(root_irq_dir);
diff --git a/arch/s390/kernel/s390_ext.c b/arch/s390/kernel/s390_ext.c
index 207bc511a6e3..c1b383537fec 100644
--- a/arch/s390/kernel/s390_ext.c
+++ b/arch/s390/kernel/s390_ext.c
@@ -24,7 +24,7 @@
  * (0x1202 external call, 0x1004 cpu timer, 0x2401 hwc console, 0x4000
  * iucv and 0x2603 pfault) this is always the first element. 
  */
-ext_int_info_t *ext_int_hash[256] = { 0, };
+ext_int_info_t *ext_int_hash[256] = { NULL, };
 
 static inline int ext_hash(__u16 code)
 {
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 1ca34f54ea8a..c902f059c7aa 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -877,31 +877,57 @@ static struct bin_attribute ipl_scp_data_attr = {
 
 static decl_subsys(ipl, NULL, NULL);
 
+static int ipl_register_fcp_files(void)
+{
+        int rc;
+
+        rc = sysfs_create_group(&ipl_subsys.kset.kobj,
+                                &ipl_fcp_attr_group);
+        if (rc)
+                goto out;
+        rc = sysfs_create_bin_file(&ipl_subsys.kset.kobj,
+                                   &ipl_parameter_attr);
+        if (rc)
+                goto out_ipl_parm;
+        rc = sysfs_create_bin_file(&ipl_subsys.kset.kobj,
+                                   &ipl_scp_data_attr);
+        if (!rc)
+                goto out;
+
+        sysfs_remove_bin_file(&ipl_subsys.kset.kobj, &ipl_parameter_attr);
+
+out_ipl_parm:
+        sysfs_remove_group(&ipl_subsys.kset.kobj, &ipl_fcp_attr_group);
+out:
+        return rc;
+}
+
 static int __init
 ipl_device_sysfs_register(void) {
         int rc;
 
         rc = firmware_register(&ipl_subsys);
         if (rc)
-                return rc;
+                goto out;
 
         switch (get_ipl_type()) {
         case ipl_type_ccw:
-                sysfs_create_group(&ipl_subsys.kset.kobj, &ipl_ccw_attr_group);
+                rc = sysfs_create_group(&ipl_subsys.kset.kobj,
+                                        &ipl_ccw_attr_group);
                 break;
         case ipl_type_fcp:
-                sysfs_create_group(&ipl_subsys.kset.kobj, &ipl_fcp_attr_group);
-                sysfs_create_bin_file(&ipl_subsys.kset.kobj,
-                                      &ipl_parameter_attr);
-                sysfs_create_bin_file(&ipl_subsys.kset.kobj,
-                                      &ipl_scp_data_attr);
+                rc = ipl_register_fcp_files();
                 break;
         default:
-                sysfs_create_group(&ipl_subsys.kset.kobj,
-                                   &ipl_unknown_attr_group);
+                rc = sysfs_create_group(&ipl_subsys.kset.kobj,
+                                        &ipl_unknown_attr_group);
                 break;
         }
-        return 0;
+
+        if (rc)
+                firmware_unregister(&ipl_subsys);
+out:
+        return rc;
 }
 
 __initcall(ipl_device_sysfs_register);
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index f7fe9bc43397..74e6178fbaf2 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -379,7 +379,7 @@ void __init time_init(void)
                                 -xtime.tv_sec, -xtime.tv_nsec);
 
         /* request the clock comparator external interrupt */
-        if (register_early_external_interrupt(0x1004, 0,
+        if (register_early_external_interrupt(0x1004, NULL,
                                               &ext_int_info_cc) != 0)
                 panic("Couldn't request external interrupt 0x1004");
 
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index 12240c03a6dd..bde1d1d59858 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -170,7 +170,7 @@ void show_stack(struct task_struct *task, unsigned long *sp)
  */
 void dump_stack(void)
 {
-        show_stack(0, 0);
+        show_stack(NULL, NULL);
 }
 
 EXPORT_SYMBOL(dump_stack);
@@ -331,9 +331,9 @@ static void inline do_trap(long interruption_code, int signr, char *str,
         }
 }
 
-static inline void *get_check_address(struct pt_regs *regs)
+static inline void __user *get_check_address(struct pt_regs *regs)
 {
-        return (void *)((regs->psw.addr-S390_lowcore.pgm_ilc) & PSW_ADDR_INSN);
+        return (void __user *)((regs->psw.addr-S390_lowcore.pgm_ilc) & PSW_ADDR_INSN);
 }
 
 void do_single_step(struct pt_regs *regs)
@@ -360,7 +360,7 @@ asmlinkage void name(struct pt_regs * regs, long interruption_code) \
         info.si_signo = signr; \
         info.si_errno = 0; \
         info.si_code = sicode; \
-        info.si_addr = (void *)siaddr; \
+        info.si_addr = siaddr; \
         do_trap(interruption_code, signr, str, regs, &info); \
 }
 
@@ -392,7 +392,7 @@ DO_ERROR_INFO(SIGILL,  "translation exception", translation_exception,
               ILL_ILLOPN, get_check_address(regs))
 
 static inline void
-do_fp_trap(struct pt_regs *regs, void *location,
+do_fp_trap(struct pt_regs *regs, void __user *location,
            int fpc, long interruption_code)
 {
         siginfo_t si;
@@ -424,10 +424,10 @@ asmlinkage void illegal_op(struct pt_regs * regs, long interruption_code)
 {
         siginfo_t info;
         __u8 opcode[6];
-        __u16 *location;
+        __u16 __user *location;
         int signal = 0;
 
-        location = (__u16 *) get_check_address(regs);
+        location = get_check_address(regs);
 
         /*
          * We got all needed information from the lowcore and can
@@ -559,10 +559,10 @@ DO_ERROR_INFO(SIGILL, "specification exception", specification_exception,
 
 asmlinkage void data_exception(struct pt_regs * regs, long interruption_code)
 {
-        __u16 *location;
+        __u16 __user *location;
         int signal = 0;
 
-        location = (__u16 *) get_check_address(regs);
+        location = get_check_address(regs);
 
         /*
          * We got all needed information from the lowcore and can
diff --git a/arch/s390/lib/string.c b/arch/s390/lib/string.c
index 8240cc77e06e..ae5cf5d03d41 100644
--- a/arch/s390/lib/string.c
+++ b/arch/s390/lib/string.c
@@ -233,7 +233,7 @@ char * strrchr(const char * s, int c)
                        if (s[len] == (char) c)
                                return (char *) s + len;
                } while (--len > 0);
-       return 0;
+       return NULL;
 }
 EXPORT_SYMBOL(strrchr);
 
@@ -267,7 +267,7 @@ char * strstr(const char * s1,const char * s2)
                         return (char *) s1;
                 s1++;
         }
-        return 0;
+        return NULL;
 }
 EXPORT_SYMBOL(strstr);
 
diff --git a/arch/s390/lib/uaccess.S b/arch/s390/lib/uaccess.S
index 5d59e2625048..837275284d9f 100644
--- a/arch/s390/lib/uaccess.S
+++ b/arch/s390/lib/uaccess.S
@@ -88,30 +88,31 @@ __copy_to_user_asm:
         .globl __copy_in_user_asm
         # %r2 = from, %r3 = n, %r4 = to
 __copy_in_user_asm:
+        ahi     %r3,-1
+        jo      6f
         sacf    256
-        bras    1,1f
-        mvc     0(1,%r4),0(%r2)
-0:      mvc     0(256,%r4),0(%r2)
-        la      %r2,256(%r2)
-        la      %r4,256(%r4)
-1:      ahi     %r3,-256
-        jnm     0b
-2:      ex      %r3,0(%r1)
-        sacf    0
-        slr     %r2,%r2
-        br      14
-3:      mvc     0(1,%r4),0(%r2)
+        bras    %r1,4f
+0:      ahi     %r3,257
+1:      mvc     0(1,%r4),0(%r2)
         la      %r2,1(%r2)
         la      %r4,1(%r4)
         ahi     %r3,-1
+        jnz     1b
+2:      lr      %r2,%r3
+        br      %r14
+3:      mvc     0(256,%r4),0(%r2)
+        la      %r2,256(%r2)
+        la      %r4,256(%r4)
+4:      ahi     %r3,-256
         jnm     3b
-4:      lr      %r2,%r3
+5:      ex      %r3,4(%r1)
         sacf    0
+6:      slr     %r2,%r2
         br      %r14
         .section __ex_table,"a"
-        .long   0b,3b
-        .long   2b,3b
-        .long   3b,4b
+        .long   1b,2b
+        .long   3b,0b
+        .long   5b,0b
         .previous
 
         .align 4
diff --git a/arch/s390/lib/uaccess64.S b/arch/s390/lib/uaccess64.S
index 19b41a33c230..1f755be22f92 100644
--- a/arch/s390/lib/uaccess64.S
+++ b/arch/s390/lib/uaccess64.S
@@ -88,30 +88,31 @@ __copy_to_user_asm:
         .globl __copy_in_user_asm
         # %r2 = from, %r3 = n, %r4 = to
 __copy_in_user_asm:
+        aghi    %r3,-1
+        jo      6f
         sacf    256
-        bras    1,1f
-        mvc     0(1,%r4),0(%r2)
-0:      mvc     0(256,%r4),0(%r2)
-        la      %r2,256(%r2)
-        la      %r4,256(%r4)
-1:      aghi    %r3,-256
-        jnm     0b
-2:      ex      %r3,0(%r1)
-        sacf    0
-        slgr    %r2,%r2
-        br      14
-3:      mvc     0(1,%r4),0(%r2)
+        bras    %r1,4f
+0:      aghi    %r3,257
+1:      mvc     0(1,%r4),0(%r2)
         la      %r2,1(%r2)
         la      %r4,1(%r4)
         aghi    %r3,-1
+        jnz     1b
+2:      lgr     %r2,%r3
+        br      %r14
+3:      mvc     0(256,%r4),0(%r2)
+        la      %r2,256(%r2)
+        la      %r4,256(%r4)
+4:      aghi    %r3,-256
         jnm     3b
-4:      lgr     %r2,%r3
+5:      ex      %r3,4(%r1)
         sacf    0
-        br      %r14
+6:      slgr    %r2,%r2
+        br      14
         .section __ex_table,"a"
-        .quad   0b,3b
-        .quad   2b,3b
-        .quad   3b,4b
+        .quad   1b,2b
+        .quad   3b,0b
+        .quad   5b,0b
         .previous
 
         .align 4
diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index 81be2fec7dc5..ceea51cff03b 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -161,7 +161,7 @@ cmm_thread(void *dummy)
 static void
 cmm_start_thread(void)
 {
-        kernel_thread(cmm_thread, 0, 0);
+        kernel_thread(cmm_thread, NULL, 0);
 }
 
 static void
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 833d5941746a..7cd82575813d 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -144,7 +144,7 @@ static void do_sigsegv(struct pt_regs *regs, unsigned long error_code,
 #endif
         si.si_signo = SIGSEGV;
         si.si_code = si_code;
-        si.si_addr = (void *) address;
+        si.si_addr = (void __user *) address;
         force_sig_info(SIGSEGV, &si, current);
 }
 
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index eb6ebfef134a..6e6b6de77770 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -129,7 +129,7 @@ void __init paging_init(void)
                 /*
                  * pg_table is physical at this point
                  */
-                pg_table = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE);
+                pg_table = (pte_t *) alloc_bootmem_pages(PAGE_SIZE);
 
                 pg_dir->pgd0 =  (_PAGE_TABLE | __pa(pg_table));
                 pg_dir->pgd1 =  (_PAGE_TABLE | (__pa(pg_table)+1024));
@@ -219,7 +219,7 @@ void __init paging_init(void)
                         continue;
                 }          
         
-                pm_dir = (pmd_t *) alloc_bootmem_low_pages(PAGE_SIZE*4);
+                pm_dir = (pmd_t *) alloc_bootmem_pages(PAGE_SIZE * 4);
                 pgd_populate(&init_mm, pg_dir, pm_dir);
 
                 for (j = 0 ; j < PTRS_PER_PMD ; j++,pm_dir++) {
@@ -228,7 +228,7 @@ void __init paging_init(void)
                                 continue; 
                         }          
                         
-                        pt_dir = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE);
+                        pt_dir = (pte_t *) alloc_bootmem_pages(PAGE_SIZE);
                         pmd_populate_kernel(&init_mm, pm_dir, pt_dir);
         
                         for (k = 0 ; k < PTRS_PER_PTE ; k++,pt_dir++) {