Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6

* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: (36 commits)
  [S390] Remove code duplication from monreader / dcssblk.
  [S390] kernel: show last breaking-event-address on oops
  [S390] lowcore: Change type of lowcores softirq_pending to __u32.
  [S390] zcrypt: Comments and kernel-doc cleanup
  [S390] uaccess: Always access the correct address space.
  [S390] Fix a lot of sparse warnings.
  [S390] Convert s390 to GENERIC_CLOCKEVENTS.
  [S390] genirq/clockevents: move irq affinity prototypes/inlines to interrupt.h
  [S390] Convert monitor calls to function calls.
  [S390] qdio (new feature): enhancing info-retrieval from QDIO-adapters
  [S390] replace remaining __FUNCTION__ occurrences
  [S390] remove redundant display of free swap space in show_mem()
  [S390] qdio: remove outdated developerworks link.
  [S390] Add debug_register_mode() function to debug feature API
  [S390] crypto: use more descriptive function names for init/exit routines.
  [S390] switch sched_clock to store-clock-extended.
  [S390] zcrypt: add support for large random numbers
  [S390] hw_random: allow rng_dev_read() to return hardware errors.
  [S390] Vertical cpu management.
  [S390] cpu topology support for s390.
  ...

95 files changed, 2180 insertions, 1116 deletions

diff --git a/Documentation/s390/s390dbf.txt b/Documentation/s390/s390dbf.txt
index 0eb7c58916d..e0542097369 100644
--- a/Documentation/s390/s390dbf.txt
+++ b/Documentation/s390/s390dbf.txt
@@ -115,6 +115,27 @@ Return Value: Handle for generated debug area
 Description:  Allocates memory for a debug log     
               Must not be called within an interrupt handler 
 
+----------------------------------------------------------------------------
+debug_info_t *debug_register_mode(char *name, int pages, int nr_areas,
+				  int buf_size, mode_t mode, uid_t uid,
+				  gid_t gid);
+
+Parameter:    name:	   Name of debug log (e.g. used for debugfs entry)
+	      pages:	   Number of pages, which will be allocated per area
+	      nr_areas:    Number of debug areas
+	      buf_size:    Size of data area in each debug entry
+	      mode:	   File mode for debugfs files. E.g. S_IRWXUGO
+	      uid:	   User ID for debugfs files. Currently only 0 is
+			   supported.
+	      gid:	   Group ID for debugfs files. Currently only 0 is
+			   supported.
+
+Return Value: Handle for generated debug area
+	      NULL if register failed
+
+Description:  Allocates memory for a debug log
+	      Must not be called within an interrupt handler
+
 ---------------------------------------------------------------------------
 void debug_unregister (debug_info_t * id);
 
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 1831833c430..f6a68e178fc 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -3,6 +3,10 @@
 # see Documentation/kbuild/kconfig-language.txt.
 #
 
+config SCHED_MC
+	def_bool y
+	depends on SMP
+
 config MMU
 	def_bool y
 
@@ -39,6 +43,9 @@ config GENERIC_HWEIGHT
 config GENERIC_TIME
 	def_bool y
 
+config GENERIC_CLOCKEVENTS
+	def_bool y
+
 config GENERIC_BUG
 	bool
 	depends on BUG
@@ -69,6 +76,8 @@ menu "Base setup"
 
 comment "Processor type and features"
 
+source "kernel/time/Kconfig"
+
 config 64BIT
 	bool "64 bit kernel"
 	help
@@ -301,10 +310,7 @@ config QDIO
 	tristate "QDIO support"
 	---help---
 	  This driver provides the Queued Direct I/O base support for
-	  IBM mainframes.
-
-	  For details please refer to the documentation provided by IBM at
-	  <http://www10.software.ibm.com/developerworks/opensource/linux390>
+	  IBM System z.
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called qdio.
@@ -486,25 +492,6 @@ config APPLDATA_NET_SUM
 
 source kernel/Kconfig.hz
 
-config NO_IDLE_HZ
-	bool "No HZ timer ticks in idle"
-	help
-	  Switches the regular HZ timer off when the system is going idle.
-	  This helps z/VM to detect that the Linux system is idle. VM can
-	  then "swap-out" this guest which reduces memory usage. It also
-	  reduces the overhead of idle systems.
-
-	  The HZ timer can be switched on/off via /proc/sys/kernel/hz_timer.
-	  hz_timer=0 means HZ timer is disabled. hz_timer=1 means HZ
-	  timer is active.
-
-config NO_IDLE_HZ_INIT
-	bool "HZ timer in idle off by default"
-	depends on NO_IDLE_HZ
-	help
-	  The HZ timer is switched off in idle by default. That means the
-	  HZ timer is already disabled at boot time.
-
 config S390_HYPFS_FS
 	bool "s390 hypervisor file system support"
 	select SYS_HYPERVISOR
diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c
index a3f67f8b542..e33f32b54c0 100644
--- a/arch/s390/crypto/aes_s390.c
+++ b/arch/s390/crypto/aes_s390.c
@@ -499,7 +499,7 @@ static struct crypto_alg cbc_aes_alg = {
 	}
 };
 
-static int __init aes_init(void)
+static int __init aes_s390_init(void)
 {
 	int ret;
 
@@ -542,15 +542,15 @@ aes_err:
 	goto out;
 }
 
-static void __exit aes_fini(void)
+static void __exit aes_s390_fini(void)
 {
 	crypto_unregister_alg(&cbc_aes_alg);
 	crypto_unregister_alg(&ecb_aes_alg);
 	crypto_unregister_alg(&aes_alg);
 }
 
-module_init(aes_init);
-module_exit(aes_fini);
+module_init(aes_s390_init);
+module_exit(aes_s390_fini);
 
 MODULE_ALIAS("aes");
 
diff --git a/arch/s390/crypto/des_s390.c b/arch/s390/crypto/des_s390.c
index ea22707f435..4aba83b3159 100644
--- a/arch/s390/crypto/des_s390.c
+++ b/arch/s390/crypto/des_s390.c
@@ -550,7 +550,7 @@ static struct crypto_alg cbc_des3_192_alg = {
 	}
 };
 
-static int init(void)
+static int des_s390_init(void)
 {
 	int ret = 0;
 
@@ -612,7 +612,7 @@ des_err:
 	goto out;
 }
 
-static void __exit fini(void)
+static void __exit des_s390_fini(void)
 {
 	crypto_unregister_alg(&cbc_des3_192_alg);
 	crypto_unregister_alg(&ecb_des3_192_alg);
@@ -625,8 +625,8 @@ static void __exit fini(void)
 	crypto_unregister_alg(&des_alg);
 }
 
-module_init(init);
-module_exit(fini);
+module_init(des_s390_init);
+module_exit(des_s390_fini);
 
 MODULE_ALIAS("des");
 MODULE_ALIAS("des3_ede");
diff --git a/arch/s390/crypto/sha1_s390.c b/arch/s390/crypto/sha1_s390.c
index 5a834f6578a..9cf9eca2274 100644
--- a/arch/s390/crypto/sha1_s390.c
+++ b/arch/s390/crypto/sha1_s390.c
@@ -137,7 +137,7 @@ static struct crypto_alg alg = {
 	.dia_final	=	sha1_final } }
 };
 
-static int __init init(void)
+static int __init sha1_s390_init(void)
 {
 	if (!crypt_s390_func_available(KIMD_SHA_1))
 		return -EOPNOTSUPP;
@@ -145,13 +145,13 @@ static int __init init(void)
 	return crypto_register_alg(&alg);
 }
 
-static void __exit fini(void)
+static void __exit sha1_s390_fini(void)
 {
 	crypto_unregister_alg(&alg);
 }
 
-module_init(init);
-module_exit(fini);
+module_init(sha1_s390_init);
+module_exit(sha1_s390_fini);
 
 MODULE_ALIAS("sha1");
 
diff --git a/arch/s390/crypto/sha256_s390.c b/arch/s390/crypto/sha256_s390.c
index ccf8633c4f6..2a3d756b35d 100644
--- a/arch/s390/crypto/sha256_s390.c
+++ b/arch/s390/crypto/sha256_s390.c
@@ -133,7 +133,7 @@ static struct crypto_alg alg = {
 	.dia_final	=	sha256_final } }
 };
 
-static int init(void)
+static int sha256_s390_init(void)
 {
 	if (!crypt_s390_func_available(KIMD_SHA_256))
 		return -EOPNOTSUPP;
@@ -141,13 +141,13 @@ static int init(void)
 	return crypto_register_alg(&alg);
 }
 
-static void __exit fini(void)
+static void __exit sha256_s390_fini(void)
 {
 	crypto_unregister_alg(&alg);
 }
 
-module_init(init);
-module_exit(fini);
+module_init(sha256_s390_init);
+module_exit(sha256_s390_fini);
 
 MODULE_ALIAS("sha256");
 
diff --git a/arch/s390/defconfig b/arch/s390/defconfig
index 62f6b5a606d..dcc3ec2ef64 100644
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -3,6 +3,7 @@
 # Linux kernel version: 2.6.25-rc4
 # Wed Mar  5 11:22:59 2008
 #
+CONFIG_SCHED_MC=y
 CONFIG_MMU=y
 CONFIG_ZONE_DMA=y
 CONFIG_LOCKDEP_SUPPORT=y
diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile
index 4d3e38392cb..ef2b2470c25 100644
--- a/arch/s390/kernel/Makefile
+++ b/arch/s390/kernel/Makefile
@@ -19,7 +19,7 @@ obj-y	+= $(if $(CONFIG_64BIT),reipl64.o,reipl.o)
 extra-y				+= head.o init_task.o vmlinux.lds
 
 obj-$(CONFIG_MODULES)		+= s390_ksyms.o module.o
-obj-$(CONFIG_SMP)		+= smp.o
+obj-$(CONFIG_SMP)		+= smp.o topology.o
 
 obj-$(CONFIG_AUDIT)		+= audit.o
 compat-obj-$(CONFIG_AUDIT)	+= compat_audit.o
diff --git a/arch/s390/kernel/compat_linux.h b/arch/s390/kernel/compat_linux.h
index e89f8c0c42a..20723a06201 100644
--- a/arch/s390/kernel/compat_linux.h
+++ b/arch/s390/kernel/compat_linux.h
@@ -162,4 +162,77 @@ struct ucontext32 {
 	compat_sigset_t		uc_sigmask;	/* mask last for extensibility */
 };
 
+struct __sysctl_args32;
+struct stat64_emu31;
+struct mmap_arg_struct_emu31;
+struct fadvise64_64_args;
+struct old_sigaction32;
+struct old_sigaction32;
+
+long sys32_chown16(const char __user * filename, u16 user, u16 group);
+long sys32_lchown16(const char __user * filename, u16 user, u16 group);
+long sys32_fchown16(unsigned int fd, u16 user, u16 group);
+long sys32_setregid16(u16 rgid, u16 egid);
+long sys32_setgid16(u16 gid);
+long sys32_setreuid16(u16 ruid, u16 euid);
+long sys32_setuid16(u16 uid);
+long sys32_setresuid16(u16 ruid, u16 euid, u16 suid);
+long sys32_getresuid16(u16 __user *ruid, u16 __user *euid, u16 __user *suid);
+long sys32_setresgid16(u16 rgid, u16 egid, u16 sgid);
+long sys32_getresgid16(u16 __user *rgid, u16 __user *egid, u16 __user *sgid);
+long sys32_setfsuid16(u16 uid);
+long sys32_setfsgid16(u16 gid);
+long sys32_getgroups16(int gidsetsize, u16 __user *grouplist);
+long sys32_setgroups16(int gidsetsize, u16 __user *grouplist);
+long sys32_getuid16(void);
+long sys32_geteuid16(void);
+long sys32_getgid16(void);
+long sys32_getegid16(void);
+long sys32_ipc(u32 call, int first, int second, int third, u32 ptr);
+long sys32_truncate64(const char __user * path, unsigned long high,
+		      unsigned long low);
+long sys32_ftruncate64(unsigned int fd, unsigned long high, unsigned long low);
+long sys32_sched_rr_get_interval(compat_pid_t pid,
+				 struct compat_timespec __user *interval);
+long sys32_rt_sigprocmask(int how, compat_sigset_t __user *set,
+			  compat_sigset_t __user *oset, size_t sigsetsize);
+long sys32_rt_sigpending(compat_sigset_t __user *set, size_t sigsetsize);
+long sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo);
+long sys32_execve(void);
+long sys32_init_module(void __user *umod, unsigned long len,
+		       const char __user *uargs);
+long sys32_delete_module(const char __user *name_user, unsigned int flags);
+long sys32_gettimeofday(struct compat_timeval __user *tv,
+			struct timezone __user *tz);
+long sys32_settimeofday(struct compat_timeval __user *tv,
+			struct timezone __user *tz);
+long sys32_pause(void);
+long sys32_pread64(unsigned int fd, char __user *ubuf, size_t count,
+		   u32 poshi, u32 poslo);
+long sys32_pwrite64(unsigned int fd, const char __user *ubuf,
+		    size_t count, u32 poshi, u32 poslo);
+compat_ssize_t sys32_readahead(int fd, u32 offhi, u32 offlo, s32 count);
+long sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset,
+		    size_t count);
+long sys32_sendfile64(int out_fd, int in_fd, compat_loff_t __user *offset,
+		      s32 count);
+long sys32_sysctl(struct __sysctl_args32 __user *args);
+long sys32_stat64(char __user * filename, struct stat64_emu31 __user * statbuf);
+long sys32_lstat64(char __user * filename,
+		   struct stat64_emu31 __user * statbuf);
+long sys32_fstat64(unsigned long fd, struct stat64_emu31 __user * statbuf);
+long sys32_fstatat64(unsigned int dfd, char __user *filename,
+		     struct stat64_emu31 __user* statbuf, int flag);
+unsigned long old32_mmap(struct mmap_arg_struct_emu31 __user *arg);
+long sys32_mmap2(struct mmap_arg_struct_emu31 __user *arg);
+long sys32_read(unsigned int fd, char __user * buf, size_t count);
+long sys32_write(unsigned int fd, char __user * buf, size_t count);
+long sys32_clone(void);
+long sys32_fadvise64(int fd, loff_t offset, size_t len, int advise);
+long sys32_fadvise64_64(struct fadvise64_64_args __user *args);
+long sys32_sigaction(int sig, const struct old_sigaction32 __user *act,
+		     struct old_sigaction32 __user *oact);
+long sys32_rt_sigaction(int sig, const struct sigaction32 __user *act,
+			struct sigaction32 __user *oact, size_t sigsetsize);
+long sys32_sigaltstack(const stack_t32 __user *uss, stack_t32 __user *uoss);
 #endif /* _ASM_S390X_S390_H */
diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c
index a5692c460ba..c7f02e777af 100644
--- a/arch/s390/kernel/compat_signal.c
+++ b/arch/s390/kernel/compat_signal.c
@@ -29,6 +29,7 @@
 #include <asm/lowcore.h>
 #include "compat_linux.h"
 #include "compat_ptrace.h"
+#include "entry.h"
 
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
@@ -428,6 +429,10 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size)
 	/* Default to using normal stack */
 	sp = (unsigned long) A(regs->gprs[15]);
 
+	/* Overflow on alternate signal stack gives SIGSEGV. */
+	if (on_sig_stack(sp) && !on_sig_stack((sp - frame_size) & -8UL))
+		return (void __user *) -1UL;
+
 	/* This is the X/Open sanctioned signal stack switching.  */
 	if (ka->sa.sa_flags & SA_ONSTACK) {
 		if (! sas_ss_flags(sp))
@@ -461,6 +466,9 @@ static int setup_frame32(int sig, struct k_sigaction *ka,
 	if (!access_ok(VERIFY_WRITE, frame, sizeof(sigframe32)))
 		goto give_sigsegv;
 
+	if (frame == (void __user *) -1UL)
+		goto give_sigsegv;
+
 	if (__copy_to_user(&frame->sc.oldmask, &set->sig, _SIGMASK_COPY_SIZE32))
 		goto give_sigsegv;
 
@@ -514,6 +522,9 @@ static int setup_rt_frame32(int sig, struct k_sigaction *ka, siginfo_t *info,
 	if (!access_ok(VERIFY_WRITE, frame, sizeof(rt_sigframe32)))
 		goto give_sigsegv;
 
+	if (frame == (void __user *) -1UL)
+		goto give_sigsegv;
+
 	if (copy_siginfo_to_user32(&frame->info, info))
 		goto give_sigsegv;
 
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index 1b2f5ce4532..1e7d4ac7068 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -73,7 +73,7 @@ static ssize_t debug_input(struct file *file, const char __user *user_buf,
 static int debug_open(struct inode *inode, struct file *file);
 static int debug_close(struct inode *inode, struct file *file);
 static debug_info_t*  debug_info_create(char *name, int pages_per_area,
-			int nr_areas, int buf_size);
+			int nr_areas, int buf_size, mode_t mode);
 static void debug_info_get(debug_info_t *);
 static void debug_info_put(debug_info_t *);
 static int debug_prolog_level_fn(debug_info_t * id,
@@ -157,7 +157,7 @@ struct debug_view debug_sprintf_view = {
 };
 
 /* used by dump analysis tools to determine version of debug feature */
-unsigned int debug_feature_version = __DEBUG_FEATURE_VERSION;
+static unsigned int __used debug_feature_version = __DEBUG_FEATURE_VERSION;
 
 /* static globals */
 
@@ -327,7 +327,8 @@ debug_info_free(debug_info_t* db_info){
  */
 
 static debug_info_t*
-debug_info_create(char *name, int pages_per_area, int nr_areas, int buf_size)
+debug_info_create(char *name, int pages_per_area, int nr_areas, int buf_size,
+		  mode_t mode)
 {
 	debug_info_t* rc;
 
@@ -336,6 +337,8 @@ debug_info_create(char *name, int pages_per_area, int nr_areas, int buf_size)
         if(!rc) 
 		goto out;
 
+	rc->mode = mode & ~S_IFMT;
+
 	/* create root directory */
         rc->debugfs_root_entry = debugfs_create_dir(rc->name,
 					debug_debugfs_root_entry);
@@ -676,23 +679,30 @@ debug_close(struct inode *inode, struct file *file)
 }
 
 /*
- * debug_register:
- * - creates and initializes debug area for the caller
- * - returns handle for debug area
+ * debug_register_mode:
+ * - Creates and initializes debug area for the caller
+ *   The mode parameter allows to specify access rights for the s390dbf files
+ * - Returns handle for debug area
  */
 
-debug_info_t*
-debug_register (char *name, int pages_per_area, int nr_areas, int buf_size)
+debug_info_t *debug_register_mode(char *name, int pages_per_area, int nr_areas,
+				  int buf_size, mode_t mode, uid_t uid,
+				  gid_t gid)
 {
 	debug_info_t *rc = NULL;
 
+	/* Since debugfs currently does not support uid/gid other than root, */
+	/* we do not allow gid/uid != 0 until we get support for that. */
+	if ((uid != 0) || (gid != 0))
+		printk(KERN_WARNING "debug: Warning - Currently only uid/gid "
+		       "= 0 are supported. Using root as owner now!");
 	if (!initialized)
 		BUG();
 	mutex_lock(&debug_mutex);
 
         /* create new debug_info */
 
-	rc = debug_info_create(name, pages_per_area, nr_areas, buf_size);
+	rc = debug_info_create(name, pages_per_area, nr_areas, buf_size, mode);
 	if(!rc) 
 		goto out;
 	debug_register_view(rc, &debug_level_view);
@@ -705,6 +715,20 @@ out:
 	mutex_unlock(&debug_mutex);
 	return rc;
 }
+EXPORT_SYMBOL(debug_register_mode);
+
+/*
+ * debug_register:
+ * - creates and initializes debug area for the caller
+ * - returns handle for debug area
+ */
+
+debug_info_t *debug_register(char *name, int pages_per_area, int nr_areas,
+			     int buf_size)
+{
+	return debug_register_mode(name, pages_per_area, nr_areas, buf_size,
+				   S_IRUSR | S_IWUSR, 0, 0);
+}
 
 /*
  * debug_unregister:
@@ -1073,15 +1097,16 @@ debug_register_view(debug_info_t * id, struct debug_view *view)
 	int rc = 0;
 	int i;
 	unsigned long flags;
-	mode_t mode = S_IFREG;
+	mode_t mode;
 	struct dentry *pde;
 
 	if (!id)
 		goto out;
-	if (view->prolog_proc || view->format_proc || view->header_proc)
-		mode |= S_IRUSR;
-	if (view->input_proc)
-		mode |= S_IWUSR;
+	mode = (id->mode | S_IFREG) & ~S_IXUGO;
+	if (!(view->prolog_proc || view->format_proc || view->header_proc))
+		mode &= ~(S_IRUSR | S_IRGRP | S_IROTH);
+	if (!view->input_proc)
+		mode &= ~(S_IWUSR | S_IWGRP | S_IWOTH);
 	pde = debugfs_create_file(view->name, mode, id->debugfs_root_entry,
 				id , &debug_file_ops);
 	if (!pde){
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index 01832c44063..540a67f979b 100644
--- a/arch/s390/kernel/early.c
+++ b/arch/s390/kernel/early.c
@@ -21,6 +21,7 @@
 #include <asm/setup.h>
 #include <asm/cpcmd.h>
 #include <asm/sclp.h>
+#include "entry.h"
 
 /*
  * Create a Kernel NSS if the SAVESYS= parameter is defined
diff --git a/arch/s390/kernel/entry.h b/arch/s390/kernel/entry.h
new file mode 100644
index 00000000000..6b1896345ed
--- /dev/null
+++ b/arch/s390/kernel/entry.h
@@ -0,0 +1,60 @@
+#ifndef _ENTRY_H
+#define _ENTRY_H
+
+#include <linux/types.h>
+#include <linux/signal.h>
+#include <asm/ptrace.h>
+
+typedef void pgm_check_handler_t(struct pt_regs *, long);
+extern pgm_check_handler_t *pgm_check_table[128];
+pgm_check_handler_t do_protection_exception;
+pgm_check_handler_t do_dat_exception;
+
+extern int sysctl_userprocess_debug;
+
+void do_single_step(struct pt_regs *regs);
+void syscall_trace(struct pt_regs *regs, int entryexit);
+void kernel_stack_overflow(struct pt_regs * regs);
+void do_signal(struct pt_regs *regs);
+int handle_signal32(unsigned long sig, struct k_sigaction *ka,
+		    siginfo_t *info, sigset_t *oldset, struct pt_regs *regs);
+
+void do_extint(struct pt_regs *regs, unsigned short code);
+int __cpuinit start_secondary(void *cpuvoid);
+void __init startup_init(void);
+void die(const char * str, struct pt_regs * regs, long err);
+
+struct new_utsname;
+struct mmap_arg_struct;
+struct fadvise64_64_args;
+struct old_sigaction;
+struct sel_arg_struct;
+
+long sys_pipe(unsigned long __user *fildes);
+long sys_mmap2(struct mmap_arg_struct __user  *arg);
+long old_mmap(struct mmap_arg_struct __user *arg);
+long sys_ipc(uint call, int first, unsigned long second,
+	     unsigned long third, void __user *ptr);
+long s390x_newuname(struct new_utsname __user *name);
+long s390x_personality(unsigned long personality);
+long s390_fadvise64(int fd, u32 offset_high, u32 offset_low,
+		    size_t len, int advice);
+long s390_fadvise64_64(struct fadvise64_64_args __user *args);
+long s390_fallocate(int fd, int mode, loff_t offset, u32 len_high, u32 len_low);
+long sys_fork(void);
+long sys_clone(void);
+long sys_vfork(void);
+void execve_tail(void);
+long sys_execve(void);
+int sys_sigsuspend(int history0, int history1, old_sigset_t mask);
+long sys_sigaction(int sig, const struct old_sigaction __user *act,
+		   struct old_sigaction __user *oact);
+long sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss);
+long sys_sigreturn(void);
+long sys_rt_sigreturn(void);
+long sys32_sigreturn(void);
+long sys32_rt_sigreturn(void);
+long old_select(struct sel_arg_struct __user *arg);
+long sys_ptrace(long request, long pid, long addr, long data);
+
+#endif /* _ENTRY_H */
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index efde6e178f6..cd959c0b2e1 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -475,6 +475,7 @@ pgm_check_handler:
 pgm_no_vtime:
 #endif
 	lg	%r9,__LC_THREAD_INFO	# load pointer to thread_info struct
+	mvc	SP_ARGS(8,%r15),__LC_LAST_BREAK
 	TRACE_IRQS_OFF
 	lgf	%r3,__LC_PGM_ILC	# load program interruption code
 	lghi	%r8,0x7f
@@ -847,6 +848,7 @@ stack_overflow:
 	je	0f
 	la	%r1,__LC_SAVE_AREA+32
 0:	mvc	SP_R12(32,%r15),0(%r1)	# move %r12-%r15 to stack
+	mvc	SP_ARGS(8,%r15),__LC_LAST_BREAK
 	xc	__SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15) # clear back chain
 	la	%r2,SP_PTREGS(%r15)	# load pt_regs
 	jg	kernel_stack_overflow
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index 375232c46c7..532542447d6 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -655,7 +655,7 @@ static struct kobj_attribute reipl_type_attr =
 
 static struct kset *reipl_kset;
 
-void reipl_run(struct shutdown_trigger *trigger)
+static void reipl_run(struct shutdown_trigger *trigger)
 {
 	struct ccw_dev_id devid;
 	static char buf[100];
diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c
index c5549a20628..ed04d1372d5 100644
--- a/arch/s390/kernel/kprobes.c
+++ b/arch/s390/kernel/kprobes.c
@@ -360,7 +360,7 @@ no_kprobe:
  *	- When the probed function returns, this probe
  *		causes the handlers to fire
  */
-void kretprobe_trampoline_holder(void)
+static void __used kretprobe_trampoline_holder(void)
 {
 	asm volatile(".global kretprobe_trampoline\n"
 		     "kretprobe_trampoline: bcr 0,0\n");
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index ce203154d8c..c1aff194141 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -36,6 +36,8 @@
 #include <linux/module.h>
 #include <linux/notifier.h>
 #include <linux/utsname.h>
+#include <linux/tick.h>
+#include <linux/elfcore.h>
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
 #include <asm/system.h>
@@ -44,6 +46,7 @@
 #include <asm/irq.h>
 #include <asm/timer.h>
 #include <asm/cpu.h>
+#include "entry.h"
 
 asmlinkage void ret_from_fork(void) asm ("ret_from_fork");
 
@@ -76,6 +79,7 @@ unsigned long thread_saved_pc(struct task_struct *tsk)
  * Need to know about CPUs going idle?
  */
 static ATOMIC_NOTIFIER_HEAD(idle_chain);
+DEFINE_PER_CPU(struct s390_idle_data, s390_idle);
 
 int register_idle_notifier(struct notifier_block *nb)
 {
@@ -89,9 +93,33 @@ int unregister_idle_notifier(struct notifier_block *nb)
 }
 EXPORT_SYMBOL(unregister_idle_notifier);
 
-void do_monitor_call(struct pt_regs *regs, long interruption_code)
+static int s390_idle_enter(void)
+{
+	struct s390_idle_data *idle;
+	int nr_calls = 0;
+	void *hcpu;
+	int rc;
+
+	hcpu = (void *)(long)smp_processor_id();
+	rc = __atomic_notifier_call_chain(&idle_chain, S390_CPU_IDLE, hcpu, -1,
+					  &nr_calls);
+	if (rc == NOTIFY_BAD) {
+		nr_calls--;
+		__atomic_notifier_call_chain(&idle_chain, S390_CPU_NOT_IDLE,
+					     hcpu, nr_calls, NULL);
+		return rc;
+	}
+	idle = &__get_cpu_var(s390_idle);
+	spin_lock(&idle->lock);
+	idle->idle_count++;
+	idle->in_idle = 1;
+	idle->idle_enter = get_clock();
+	spin_unlock(&idle->lock);
+	return NOTIFY_OK;
+}
+
+void s390_idle_leave(void)
 {
-#ifdef CONFIG_SMP
 	struct s390_idle_data *idle;
 
 	idle = &__get_cpu_var(s390_idle);
@@ -99,10 +127,6 @@ void do_monitor_call(struct pt_regs *regs, long interruption_code)
 	idle->idle_time += get_clock() - idle->idle_enter;
 	idle->in_idle = 0;
 	spin_unlock(&idle->lock);
-#endif
-	/* disable monitor call class 0 */
-	__ctl_clear_bit(8, 15);
-
 	atomic_notifier_call_chain(&idle_chain, S390_CPU_NOT_IDLE,
 				   (void *)(long) smp_processor_id());
 }
@@ -113,61 +137,30 @@ extern void s390_handle_mcck(void);
  */
 static void default_idle(void)
 {
-	int cpu, rc;
-	int nr_calls = 0;
-	void *hcpu;
-#ifdef CONFIG_SMP
-	struct s390_idle_data *idle;
-#endif
-
 	/* CPU is going idle. */
-	cpu = smp_processor_id();
-	hcpu = (void *)(long)cpu;
 	local_irq_disable();
 	if (need_resched()) {
 		local_irq_enable();
 		return;
 	}
-
-	rc = __atomic_notifier_call_chain(&idle_chain, S390_CPU_IDLE, hcpu, -1,
-					  &nr_calls);
-	if (rc == NOTIFY_BAD) {
-		nr_calls--;
-		__atomic_notifier_call_chain(&idle_chain, S390_CPU_NOT_IDLE,
-					     hcpu, nr_calls, NULL);
+	if (s390_idle_enter() == NOTIFY_BAD) {
 		local_irq_enable();
 		return;
 	}
-
-	/* enable monitor call class 0 */
-	__ctl_set_bit(8, 15);
-
 #ifdef CONFIG_HOTPLUG_CPU
-	if (cpu_is_offline(cpu)) {
+	if (cpu_is_offline(smp_processor_id())) {
 		preempt_enable_no_resched();
 		cpu_die();
 	}
 #endif
-
 	local_mcck_disable();
 	if (test_thread_flag(TIF_MCCK_PENDING)) {
 		local_mcck_enable();
-		/* disable monitor call class 0 */
-		__ctl_clear_bit(8, 15);
-		atomic_notifier_call_chain(&idle_chain, S390_CPU_NOT_IDLE,
-					   hcpu);
+		s390_idle_leave();
 		local_irq_enable();
 		s390_handle_mcck();
 		return;
 	}
-#ifdef CONFIG_SMP
-	idle = &__get_cpu_var(s390_idle);
-	spin_lock(&idle->lock);
-	idle->idle_count++;
-	idle->in_idle = 1;
-	idle->idle_enter = get_clock();
-	spin_unlock(&idle->lock);
-#endif
 	trace_hardirqs_on();
 	/* Wait for external, I/O or machine check interrupt. */
 	__load_psw_mask(psw_kernel_bits | PSW_MASK_WAIT |
@@ -177,9 +170,10 @@ static void default_idle(void)
 void cpu_idle(void)
 {
 	for (;;) {
+		tick_nohz_stop_sched_tick();
 		while (!need_resched())
 			default_idle();
-
+		tick_nohz_restart_sched_tick();
 		preempt_enable_no_resched();
 		schedule();
 		preempt_disable();
@@ -201,6 +195,7 @@ void show_regs(struct pt_regs *regs)
 	/* Show stack backtrace if pt_regs is from kernel mode */
 	if (!(regs->psw.mask & PSW_MASK_PSTATE))
 		show_trace(NULL, (unsigned long *) regs->gprs[15]);
+	show_last_breaking_event(regs);
 }
 
 extern void kernel_thread_starter(void);
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 6e036bae987..58a06429698 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -41,6 +41,7 @@
 #include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
+#include "entry.h"
 
 #ifdef CONFIG_COMPAT
 #include "compat_ptrace.h"
diff --git a/arch/s390/kernel/s390_ext.c b/arch/s390/kernel/s390_ext.c
index acf93dba772..e019b419efc 100644
--- a/arch/s390/kernel/s390_ext.c
+++ b/arch/s390/kernel/s390_ext.c
@@ -13,11 +13,12 @@
 #include <linux/errno.h>
 #include <linux/kernel_stat.h>
 #include <linux/interrupt.h>
-
+#include <asm/cpu.h>
 #include <asm/lowcore.h>
 #include <asm/s390_ext.h>
 #include <asm/irq_regs.h>
 #include <asm/irq.h>
+#include "entry.h"
 
 /*
  * ext_int_hash[index] is the start of the list for all external interrupts
@@ -119,13 +120,10 @@ void do_extint(struct pt_regs *regs, unsigned short code)
 
 	old_regs = set_irq_regs(regs);
 	irq_enter();
-	asm volatile ("mc 0,0");
-	if (S390_lowcore.int_clock >= S390_lowcore.jiffy_timer)
-		/**
-		 * Make sure that the i/o interrupt did not "overtake"
-		 * the last HZ timer interrupt.
-		 */
-		account_ticks(S390_lowcore.int_clock);
+	s390_idle_check();
+	if (S390_lowcore.int_clock >= S390_lowcore.clock_comparator)
+		/* Serve timer interrupts first. */
+		clock_comparator_work();
 	kstat_cpu(smp_processor_id()).irqs[EXTERNAL_INTERRUPT]++;
         index = ext_hash(code);
 	for (p = ext_int_hash[index]; p; p = p->next) {
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 290e504061a..7141147e6b6 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -39,6 +39,7 @@
 #include <linux/pfn.h>
 #include <linux/ctype.h>
 #include <linux/reboot.h>
+#include <linux/topology.h>
 
 #include <asm/ipl.h>
 #include <asm/uaccess.h>
@@ -427,7 +428,7 @@ setup_lowcore(void)
 	lc->io_new_psw.mask = psw_kernel_bits;
 	lc->io_new_psw.addr = PSW_ADDR_AMODE | (unsigned long) io_int_handler;
 	lc->ipl_device = S390_lowcore.ipl_device;
-	lc->jiffy_timer = -1LL;
+	lc->clock_comparator = -1ULL;
 	lc->kernel_stack = ((unsigned long) &init_thread_union) + THREAD_SIZE;
 	lc->async_stack = (unsigned long)
 		__alloc_bootmem(ASYNC_SIZE, ASYNC_SIZE, 0) + ASYNC_SIZE;
@@ -687,7 +688,7 @@ static __init unsigned int stfl(void)
 	return S390_lowcore.stfl_fac_list;
 }
 
-static __init int stfle(unsigned long long *list, int doublewords)
+static int __init __stfle(unsigned long long *list, int doublewords)
 {
 	typedef struct { unsigned long long _[doublewords]; } addrtype;
 	register unsigned long __nr asm("0") = doublewords - 1;
@@ -697,6 +698,13 @@ static __init int stfle(unsigned long long *list, int doublewords)
 	return __nr + 1;
 }
 
+int __init stfle(unsigned long long *list, int doublewords)
+{
+	if (!(stfl() & (1UL << 24)))
+		return -EOPNOTSUPP;
+	return __stfle(list, doublewords);
+}
+
 /*
  * Setup hardware capabilities.
  */
@@ -741,7 +749,7 @@ static void __init setup_hwcaps(void)
 	 *   HWCAP_S390_DFP bit 6.
 	 */
 	if ((elf_hwcap & (1UL << 2)) &&
-	    stfle(&facility_list_extended, 1) > 0) {
+	    __stfle(&facility_list_extended, 1) > 0) {
 		if (facility_list_extended & (1ULL << (64 - 43)))
 			elf_hwcap |= 1UL << 6;
 	}
@@ -823,6 +831,7 @@ setup_arch(char **cmdline_p)
 
         cpu_init();
         __cpu_logical_map[0] = S390_lowcore.cpu_data.cpu_addr;
+	s390_init_cpu_topology();
 
 	/*
 	 * Setup capabilities (ELF_HWCAP & ELF_PLATFORM).
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index 4449bf32cbf..b9768204021 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -27,6 +27,7 @@
 #include <asm/ucontext.h>
 #include <asm/uaccess.h>
 #include <asm/lowcore.h>
+#include "entry.h"
 
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
@@ -235,6 +236,10 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size)
 	/* Default to using normal stack */
 	sp = regs->gprs[15];
 
+	/* Overflow on alternate signal stack gives SIGSEGV. */
+	if (on_sig_stack(sp) && !on_sig_stack((sp - frame_size) & -8UL))
+		return (void __user *) -1UL;
+
 	/* This is the X/Open sanctioned signal stack switching.  */
 	if (ka->sa.sa_flags & SA_ONSTACK) {
 		if (! sas_ss_flags(sp))
@@ -270,6 +275,9 @@ static int setup_frame(int sig, struct k_sigaction *ka,
 	if (!access_ok(VERIFY_WRITE, frame, sizeof(sigframe)))
 		goto give_sigsegv;
 
+	if (frame == (void __user *) -1UL)
+		goto give_sigsegv;
+
 	if (__copy_to_user(&frame->sc.oldmask, &set->sig, _SIGMASK_COPY_SIZE))
 		goto give_sigsegv;
 
@@ -327,6 +335,9 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 	if (!access_ok(VERIFY_WRITE, frame, sizeof(rt_sigframe)))
 		goto give_sigsegv;
 
+	if (frame == (void __user *) -1UL)
+		goto give_sigsegv;
+
 	if (copy_siginfo_to_user(&frame->info, info))
 		goto give_sigsegv;
 
@@ -474,11 +485,6 @@ void do_signal(struct pt_regs *regs)
 		int ret;
 #ifdef CONFIG_COMPAT
 		if (test_thread_flag(TIF_31BIT)) {
-			extern int handle_signal32(unsigned long sig,
-						   struct k_sigaction *ka,
-						   siginfo_t *info,
-						   sigset_t *oldset,
-						   struct pt_regs *regs);
 			ret = handle_signal32(signr, &ka, &info, oldset, regs);
 	        }
 		else
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 8f894d380a6..0dfa988c1b2 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -44,6 +44,7 @@
 #include <asm/lowcore.h>
 #include <asm/sclp.h>
 #include <asm/cpu.h>
+#include "entry.h"
 
 /*
  * An array with a pointer the lowcore of every CPU.
@@ -67,13 +68,12 @@ enum s390_cpu_state {
 	CPU_STATE_CONFIGURED,
 };
 
-#ifdef CONFIG_HOTPLUG_CPU
-static DEFINE_MUTEX(smp_cpu_state_mutex);
-#endif
+DEFINE_MUTEX(smp_cpu_state_mutex);
+int smp_cpu_polarization[NR_CPUS];
 static int smp_cpu_state[NR_CPUS];
+static int cpu_management;
 
 static DEFINE_PER_CPU(struct cpu, cpu_devices);
-DEFINE_PER_CPU(struct s390_idle_data, s390_idle);
 
 static void smp_ext_bitcall(int, ec_bit_sig);
 
@@ -298,7 +298,7 @@ static void smp_ext_bitcall(int cpu, ec_bit_sig sig)
 /*
  * this function sends a 'purge tlb' signal to another CPU.
  */
-void smp_ptlb_callback(void *info)
+static void smp_ptlb_callback(void *info)
 {
 	__tlb_flush_local();
 }
@@ -456,6 +456,7 @@ static int smp_rescan_cpus_sigp(cpumask_t avail)
 		if (cpu_known(cpu_id))
 			continue;
 		__cpu_logical_map[logical_cpu] = cpu_id;
+		smp_cpu_polarization[logical_cpu] = POLARIZATION_UNKNWN;
 		if (!cpu_stopped(logical_cpu))
 			continue;
 		cpu_set(logical_cpu, cpu_present_map);
@@ -489,6 +490,7 @@ static int smp_rescan_cpus_sclp(cpumask_t avail)
 		if (cpu_known(cpu_id))
 			continue;
 		__cpu_logical_map[logical_cpu] = cpu_id;
+		smp_cpu_polarization[logical_cpu] = POLARIZATION_UNKNWN;
 		cpu_set(logical_cpu, cpu_present_map);
 		if (cpu >= info->configured)
 			smp_cpu_state[logical_cpu] = CPU_STATE_STANDBY;
@@ -846,6 +848,7 @@ void __init smp_prepare_boot_cpu(void)
 	S390_lowcore.percpu_offset = __per_cpu_offset[0];
 	current_set[0] = current;
 	smp_cpu_state[0] = CPU_STATE_CONFIGURED;
+	smp_cpu_polarization[0] = POLARIZATION_UNKNWN;
 	spin_lock_init(&(&__get_cpu_var(s390_idle))->lock);
 }
 
@@ -897,15 +900,19 @@ static ssize_t cpu_configure_store(struct sys_device *dev, const char *buf,
 	case 0:
 		if (smp_cpu_state[cpu] == CPU_STATE_CONFIGURED) {
 			rc = sclp_cpu_deconfigure(__cpu_logical_map[cpu]);
-			if (!rc)
+			if (!rc) {
 				smp_cpu_state[cpu] = CPU_STATE_STANDBY;
+				smp_cpu_polarization[cpu] = POLARIZATION_UNKNWN;
+			}
 		}
 		break;
 	case 1:
 		if (smp_cpu_state[cpu] == CPU_STATE_STANDBY) {
 			rc = sclp_cpu_configure(__cpu_logical_map[cpu]);
-			if (!rc)
+			if (!rc) {
 				smp_cpu_state[cpu] = CPU_STATE_CONFIGURED;
+				smp_cpu_polarization[cpu] = POLARIZATION_UNKNWN;
+			}
 		}
 		break;
 	default:
@@ -919,6 +926,34 @@ out:
 static SYSDEV_ATTR(configure, 0644, cpu_configure_show, cpu_configure_store);
 #endif /* CONFIG_HOTPLUG_CPU */
 
+static ssize_t cpu_polarization_show(struct sys_device *dev, char *buf)
+{
+	int cpu = dev->id;
+	ssize_t count;
+
+	mutex_lock(&smp_cpu_state_mutex);
+	switch (smp_cpu_polarization[cpu]) {
+	case POLARIZATION_HRZ:
+		count = sprintf(buf, "horizontal\n");
+		break;
+	case POLARIZATION_VL:
+		count = sprintf(buf, "vertical:low\n");
+		break;
+	case POLARIZATION_VM:
+		count = sprintf(buf, "vertical:medium\n");
+		break;
+	case POLARIZATION_VH:
+		count = sprintf(buf, "vertical:high\n");
+		break;
+	default:
+		count = sprintf(buf, "unknown\n");
+		break;
+	}
+	mutex_unlock(&smp_cpu_state_mutex);
+	return count;
+}
+static SYSDEV_ATTR(polarization, 0444, cpu_polarization_show, NULL);
+
 static ssize_t show_cpu_address(struct sys_device *dev, char *buf)
 {
 	return sprintf(buf, "%d\n", __cpu_logical_map[dev->id]);
@@ -931,6 +966,7 @@ static struct attribute *cpu_common_attrs[] = {
 	&attr_configure.attr,
 #endif
 	&attr_address.attr,
+	&attr_polarization.attr,
 	NULL,
 };
 
@@ -1075,11 +1111,48 @@ static ssize_t __ref rescan_store(struct sys_device *dev,
 out:
 	put_online_cpus();
 	mutex_unlock(&smp_cpu_state_mutex);
+	if (!cpus_empty(newcpus))
+		topology_schedule_update();
 	return rc ? rc : count;
 }
 static SYSDEV_ATTR(rescan, 0200, NULL, rescan_store);
 #endif /* CONFIG_HOTPLUG_CPU */
 
+static ssize_t dispatching_show(struct sys_device *dev, char *buf)
+{
+	ssize_t count;
+
+	mutex_lock(&smp_cpu_state_mutex);
+	count = sprintf(buf, "%d\n", cpu_management);
+	mutex_unlock(&smp_cpu_state_mutex);
+	return count;
+}
+
+static ssize_t dispatching_store(struct sys_device *dev, const char *buf,
+				 size_t count)
+{
+	int val, rc;
+	char delim;
+
+	if (sscanf(buf, "%d %c", &val, &delim) != 1)
+		return -EINVAL;
+	if (val != 0 && val != 1)
+		return -EINVAL;
+	rc = 0;
+	mutex_lock(&smp_cpu_state_mutex);
+	get_online_cpus();
+	if (cpu_management == val)
+		goto out;
+	rc = topology_set_cpu_management(val);
+	if (!rc)
+		cpu_management = val;
+out:
+	put_online_cpus();
+	mutex_unlock(&smp_cpu_state_mutex);
+	return rc ? rc : count;
+}
+static SYSDEV_ATTR(dispatching, 0644, dispatching_show, dispatching_store);
+
 static int __init topology_init(void)
 {
 	int cpu;
@@ -1093,6 +1166,10 @@ static int __init topology_init(void)
 	if (rc)
 		return rc;
 #endif
+	rc = sysfs_create_file(&cpu_sysdev_class.kset.kobj,
+			       &attr_dispatching.attr);
+	if (rc)
+		return rc;
 	for_each_present_cpu(cpu) {
 		rc = smp_add_present_cpu(cpu);
 		if (rc)
diff --git a/arch/s390/kernel/sys_s390.c b/arch/s390/kernel/sys_s390.c
index fefee99f28a..988d0d64c2c 100644
--- a/arch/s390/kernel/sys_s390.c
+++ b/arch/s390/kernel/sys_s390.c
@@ -29,8 +29,8 @@
 #include <linux/personality.h>
 #include <linux/unistd.h>
 #include <linux/ipc.h>
-
 #include <asm/uaccess.h>
+#include "entry.h"
 
 /*
  * sys_pipe() is the normal C calling standard for creating
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index cb232c15536..7aec676fefd 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -30,7 +30,7 @@
 #include <linux/timex.h>
 #include <linux/notifier.h>
 #include <linux/clocksource.h>
-
+#include <linux/clockchips.h>
 #include <asm/uaccess.h>
 #include <asm/delay.h>
 #include <asm/s390_ext.h>
@@ -39,6 +39,7 @@
 #include <asm/irq_regs.h>
 #include <asm/timer.h>
 #include <asm/etr.h>
+#include <asm/cio.h>
 
 /* change this if you have some constant time drift */
 #define USECS_PER_JIFFY     ((unsigned long) 1000000/HZ)
@@ -57,16 +58,16 @@
 
 static ext_int_info_t ext_int_info_cc;
 static ext_int_info_t ext_int_etr_cc;
-static u64 init_timer_cc;
 static u64 jiffies_timer_cc;
-static u64 xtime_cc;
+
+static DEFINE_PER_CPU(struct clock_event_device, comparators);
 
 /*
  * Scheduler clock - returns current time in nanosec units.
  */
 unsigned long long sched_clock(void)
 {
-	return ((get_clock() - jiffies_timer_cc) * 125) >> 9;
+	return ((get_clock_xt() - jiffies_timer_cc) * 125) >> 9;
 }
 
 /*
@@ -95,162 +96,40 @@ void tod_to_timeval(__u64 todval, struct timespec *xtime)
 #define s390_do_profile()	do { ; } while(0)
 #endif /* CONFIG_PROFILING */
 
-/*
- * Advance the per cpu tick counter up to the time given with the
- * "time" argument. The per cpu update consists of accounting
- * the virtual cpu time, calling update_process_times and calling
- * the profiling hook. If xtime is before time it is advanced as well.
- */
-void account_ticks(u64 time)
+void clock_comparator_work(void)
 {
-	__u32 ticks;
-	__u64 tmp;
-
-	/* Calculate how many ticks have passed. */
-	if (time < S390_lowcore.jiffy_timer)
-		return;
-	tmp = time - S390_lowcore.jiffy_timer;
-	if (tmp >= 2*CLK_TICKS_PER_JIFFY) {  /* more than two ticks ? */
-		ticks = __div(tmp, CLK_TICKS_PER_JIFFY) + 1;
-		S390_lowcore.jiffy_timer +=
-			CLK_TICKS_PER_JIFFY * (__u64) ticks;
-	} else if (tmp >= CLK_TICKS_PER_JIFFY) {
-		ticks = 2;
-		S390_lowcore.jiffy_timer += 2*CLK_TICKS_PER_JIFFY;
-	} else {
-		ticks = 1;
-		S390_lowcore.jiffy_timer += CLK_TICKS_PER_JIFFY;
-	}
-
-#ifdef CONFIG_SMP
-	/*
-	 * Do not rely on the boot cpu to do the calls to do_timer.
-	 * Spread it over all cpus instead.
-	 */
-	write_seqlock(&xtime_lock);
-	if (S390_lowcore.jiffy_timer > xtime_cc) {
-		__u32 xticks;
-		tmp = S390_lowcore.jiffy_timer - xtime_cc;
-		if (tmp >= 2*CLK_TICKS_PER_JIFFY) {
-			xticks = __div(tmp, CLK_TICKS_PER_JIFFY);
-			xtime_cc += (__u64) xticks * CLK_TICKS_PER_JIFFY;
-		} else {
-			xticks = 1;
-			xtime_cc += CLK_TICKS_PER_JIFFY;
-		}
-		do_timer(xticks);
-	}
-	write_sequnlock(&xtime_lock);
-#else
-	do_timer(ticks);
-#endif
-
-	while (ticks--)
-		update_process_times(user_mode(get_irq_regs()));
+	struct clock_event_device *cd;
 
+	S390_lowcore.clock_comparator = -1ULL;
+	set_clock_comparator(S390_lowcore.clock_comparator);
+	cd = &__get_cpu_var(comparators);
+	cd->event_handler(cd);
 	s390_do_profile();
 }
 
-#ifdef CONFIG_NO_IDLE_HZ
-
-#ifdef CONFIG_NO_IDLE_HZ_INIT
-int sysctl_hz_timer = 0;
-#else
-int sysctl_hz_timer = 1;
-#endif
-
-/*
- * Stop the HZ tick on the current CPU.
- * Only cpu_idle may call this function.
- */
-static void stop_hz_timer(void)
-{
-	unsigned long flags;
-	unsigned long seq, next;
-	__u64 timer, todval;
-	int cpu = smp_processor_id();
-
-	if (sysctl_hz_timer != 0)
-		return;
-
-	cpu_set(cpu, nohz_cpu_mask);
-
-	/*
-	 * Leave the clock comparator set up for the next timer
-	 * tick if either rcu or a softirq is pending.
-	 */
-	if (rcu_needs_cpu(cpu) || local_softirq_pending()) {
-		cpu_clear(cpu, nohz_cpu_mask);
-		return;
-	}
-
-	/*
-	 * This cpu is going really idle. Set up the clock comparator
-	 * for the next event.
-	 */
-	next = next_timer_interrupt();
-	do {
-		seq = read_seqbegin_irqsave(&xtime_lock, flags);
-		timer = ((__u64) next) - ((__u64) jiffies) + jiffies_64;
-	} while (read_seqretry_irqrestore(&xtime_lock, seq, flags));
-	todval = -1ULL;
-	/* Be careful about overflows. */
-	if (timer < (-1ULL / CLK_TICKS_PER_JIFFY)) {
-		timer = jiffies_timer_cc + timer * CLK_TICKS_PER_JIFFY;
-		if (timer >= jiffies_timer_cc)
-			todval = timer;
-	}
-	set_clock_comparator(todval);
-}
-
 /*
- * Start the HZ tick on the current CPU.
- * Only cpu_idle may call this function.
+ * Fixup the clock comparator.
  */
-static void start_hz_timer(void)
+static void fixup_clock_comparator(unsigned long long delta)
 {
-	if (!cpu_isset(smp_processor_id(), nohz_cpu_mask))
+	/* If nobody is waiting there's nothing to fix. */
+	if (S390_lowcore.clock_comparator == -1ULL)
 		return;
-	account_ticks(get_clock());
-	set_clock_comparator(S390_lowcore.jiffy_timer + CPU_DEVIATION);
-	cpu_clear(smp_processor_id(), nohz_cpu_mask);
-}
-
-static int nohz_idle_notify(struct notifier_block *self,
-			    unsigned long action, void *hcpu)
-{
-	switch (action) {
-	case S390_CPU_IDLE:
-		stop_hz_timer();
-		break;
-	case S390_CPU_NOT_IDLE:
-		start_hz_timer();
-		break;
-	}
-	return NOTIFY_OK;
+	S390_lowcore.clock_comparator += delta;
+	set_clock_comparator(S390_lowcore.clock_comparator);
 }
 
-static struct notifier_block nohz_idle_nb = {
-	.notifier_call = nohz_idle_notify,
-};
-
-static void __init nohz_init(void)
+static int s390_next_event(unsigned long delta,
+			   struct clock_event_device *evt)
 {
-	if (register_idle_notifier(&nohz_idle_nb))
-		panic("Couldn't register idle notifier");
+	S390_lowcore.clock_comparator = get_clock() + delta;
+	set_clock_comparator(S390_lowcore.clock_comparator);
+	return 0;
 }
 
-#endif
-
-/*
- * Set up per cpu jiffy timer and set the clock comparator.
- */
-static void setup_jiffy_timer(void)
+static void s390_set_mode(enum clock_event_mode mode,
+			  struct clock_event_device *evt)
 {
-	/* Set up clock comparator to next jiffy. */
-	S390_lowcore.jiffy_timer =
-		jiffies_timer_cc + (jiffies_64 + 1) * CLK_TICKS_PER_JIFFY;
-	set_clock_comparator(S390_lowcore.jiffy_timer + CPU_DEVIATION);
 }
 
 /*
@@ -259,7 +138,26 @@ static void setup_jiffy_timer(void)
  */
 void init_cpu_timer(void)
 {
-	setup_jiffy_timer();
+	struct clock_event_device *cd;
+	int cpu;
+
+	S390_lowcore.clock_comparator = -1ULL;
+	set_clock_comparator(S390_lowcore.clock_comparator);
+
+	cpu = smp_processor_id();
+	cd = &per_cpu(comparators, cpu);
+	cd->name		= "comparator";
+	cd->features		= CLOCK_EVT_FEAT_ONESHOT;
+	cd->mult		= 16777;
+	cd->shift		= 12;
+	cd->min_delta_ns	= 1;
+	cd->max_delta_ns	= LONG_MAX;
+	cd->rating		= 400;
+	cd->cpumask		= cpumask_of_cpu(cpu);
+	cd->set_next_event	= s390_next_event;
+	cd->set_mode		= s390_set_mode;
+
+	clockevents_register_device(cd);
 
 	/* Enable clock comparator timer interrupt. */
 	__ctl_set_bit(0,11);
@@ -270,8 +168,6 @@ void init_cpu_timer(void)
 
 static void clock_comparator_interrupt(__u16 code)
 {
-	/* set clock comparator for next tick */
-	set_clock_comparator(S390_lowcore.jiffy_timer + CPU_DEVIATION);
 }
 
 static void etr_reset(void);
@@ -316,8 +212,9 @@ static struct clocksource clocksource_tod = {
  */
 void __init time_init(void)
 {
+	u64 init_timer_cc;
+
 	init_timer_cc = reset_tod_clock();
-	xtime_cc = init_timer_cc + CLK_TICKS_PER_JIFFY;
 	jiffies_timer_cc = init_timer_cc - jiffies_64 * CLK_TICKS_PER_JIFFY;
 
 	/* set xtime */
@@ -342,10 +239,6 @@ void __init time_init(void)
 	/* Enable TOD clock interrupts on the boot cpu. */
 	init_cpu_timer();
 
-#ifdef CONFIG_NO_IDLE_HZ
-	nohz_init();
-#endif
-
 #ifdef CONFIG_VIRT_TIMER
 	vtime_init();
 #endif
@@ -699,53 +592,49 @@ static int etr_aib_follows(struct etr_aib *a1, struct etr_aib *a2, int p)
 }
 
 /*
- * The time is "clock". xtime is what we think the time is.
+ * The time is "clock". old is what we think the time is.
  * Adjust the value by a multiple of jiffies and add the delta to ntp.
  * "delay" is an approximation how long the synchronization took. If
  * the time correction is positive, then "delay" is subtracted from
  * the time difference and only the remaining part is passed to ntp.
  */
-static void etr_adjust_time(unsigned long long clock, unsigned long long delay)
+static unsigned long long etr_adjust_time(unsigned long long old,
+					  unsigned long long clock,
+					  unsigned long long delay)
 {
 	unsigned long long delta, ticks;
 	struct timex adjust;
 
-	/*
-	 * We don't have to take the xtime lock because the cpu
-	 * executing etr_adjust_time is running disabled in
-	 * tasklet context and all other cpus are looping in
-	 * etr_sync_cpu_start.
-	 */
-	if (clock > xtime_cc) {
+	if (clock > old) {
 		/* It is later than we thought. */
-		delta = ticks = clock - xtime_cc;
+		delta = ticks = clock - old;
 		delta = ticks = (delta < delay) ? 0 : delta - delay;
 		delta -= do_div(ticks, CLK_TICKS_PER_JIFFY);
-		init_timer_cc = init_timer_cc + delta;
-		jiffies_timer_cc = jiffies_timer_cc + delta;
-		xtime_cc = xtime_cc + delta;
 		adjust.offset = ticks * (1000000 / HZ);
 	} else {
 		/* It is earlier than we thought. */
-		delta = ticks = xtime_cc - clock;
+		delta = ticks = old - clock;
 		delta -= do_div(ticks, CLK_TICKS_PER_JIFFY);
-		init_timer_cc = init_timer_cc - delta;
-		jiffies_timer_cc = jiffies_timer_cc - delta;
-		xtime_cc = xtime_cc - delta;
+		delta = -delta;
 		adjust.offset = -ticks * (1000000 / HZ);
 	}
+	jiffies_timer_cc += delta;
 	if (adjust.offset != 0) {
 		printk(KERN_NOTICE "etr: time adjusted by %li micro-seconds\n",
 		       adjust.offset);
 		adjust.modes = ADJ_OFFSET_SINGLESHOT;
 		do_adjtimex(&adjust);
 	}
+	return delta;
 }
 
+static struct {
+	int in_sync;
+	unsigned long long fixup_cc;
+} etr_sync;
+
 static void etr_sync_cpu_start(void *dummy)
 {
-	int *in_sync = dummy;
-
 	etr_enable_sync_clock();
 	/*
 	 * This looks like a busy wait loop but it isn't. etr_sync_cpus
@@ -753,7 +642,7 @@ static void etr_sync_cpu_start(void *dummy)
 	 * __udelay will stop the cpu on an enabled wait psw until the
 	 * TOD is running again.
 	 */
-	while (*in_sync == 0) {
+	while (etr_sync.in_sync == 0) {
 		__udelay(1);
 		/*
 		 * A different cpu changes *in_sync. Therefore use
@@ -761,14 +650,14 @@ static void etr_sync_cpu_start(void *dummy)
 		 */
 		barrier();
 	}
-	if (*in_sync != 1)
+	if (etr_sync.in_sync != 1)
 		/* Didn't work. Clear per-cpu in sync bit again. */
 		etr_disable_sync_clock(NULL);
 	/*
 	 * This round of TOD syncing is done. Set the clock comparator
 	 * to the next tick and let the processor continue.
 	 */
-	setup_jiffy_timer();
+	fixup_clock_comparator(etr_sync.fixup_cc);
 }
 
 static void etr_sync_cpu_end(void *dummy)
@@ -783,8 +672,8 @@ static void etr_sync_cpu_end(void *dummy)
 static int etr_sync_clock(struct etr_aib *aib, int port)
 {
 	struct etr_aib *sync_port;
-	unsigned long long clock, delay;
-	int in_sync, follows;
+	unsigned long long clock, old_clock, delay, delta;
+	int follows;
 	int rc;
 
 	/* Check if the current aib is adjacent to the sync port aib. */
@@ -799,9 +688,9 @@ static int etr_sync_clock(struct etr_aib *aib, int port)
 	 * successfully synced the clock. smp_call_function will
 	 * return after all other cpus are in etr_sync_cpu_start.
 	 */
-	in_sync = 0;
+	memset(&etr_sync, 0, sizeof(etr_sync));
 	preempt_disable();
-	smp_call_function(etr_sync_cpu_start,&in_sync,0,0);
+	smp_call_function(etr_sync_cpu_start, NULL, 0, 0);
 	local_irq_disable();
 	etr_enable_sync_clock();
 
@@ -809,6 +698,7 @@ static int etr_sync_clock(struct etr_aib *aib, int port)
 	__ctl_set_bit(14, 21);
 	__ctl_set_bit(0, 29);
 	clock = ((unsigned long long) (aib->edf2.etv + 1)) << 32;
+	old_clock = get_clock();
 	if (set_clock(clock) == 0) {
 		__udelay(1);	/* Wait for the clock to start. */
 		__ctl_clear_bit(0, 29);
@@ -817,16 +707,17 @@ static int etr_sync_clock(struct etr_aib *aib, int port)
 		/* Adjust Linux timing variables. */
 		delay = (unsigned long long)
 			(aib->edf2.etv - sync_port->edf2.etv) << 32;
-		etr_adjust_time(clock, delay);
-		setup_jiffy_timer();
+		delta = etr_adjust_time(old_clock, clock, delay);
+		etr_sync.fixup_cc = delta;
+		fixup_clock_comparator(delta);
 		/* Verify that the clock is properly set. */
 		if (!etr_aib_follows(sync_port, aib, port)) {
 			/* Didn't work. */
 			etr_disable_sync_clock(NULL);
-			in_sync = -EAGAIN;
+			etr_sync.in_sync = -EAGAIN;
 			rc = -EAGAIN;
 		} else {
-			in_sync = 1;
+			etr_sync.in_sync = 1;
 			rc = 0;
 		}
 	} else {
@@ -834,7 +725,7 @@ static int etr_sync_clock(struct etr_aib *aib, int port)
 		__ctl_clear_bit(0, 29);
 		__ctl_clear_bit(14, 21);
 		etr_disable_sync_clock(NULL);
-		in_sync = -EAGAIN;
+		etr_sync.in_sync = -EAGAIN;
 		rc = -EAGAIN;
 	}
 	local_irq_enable();
diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
new file mode 100644
index 00000000000..12b39b3d9c3
--- /dev/null
+++ b/arch/s390/kernel/topology.c
@@ -0,0 +1,314 @@
+/*
+ *    Copyright IBM Corp. 2007
+ *    Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/bootmem.h>
+#include <linux/sched.h>
+#include <linux/workqueue.h>
+#include <linux/cpu.h>
+#include <linux/smp.h>
+#include <asm/delay.h>
+#include <asm/s390_ext.h>
+#include <asm/sysinfo.h>
+
+#define CPU_BITS 64
+#define NR_MAG 6
+
+#define PTF_HORIZONTAL	(0UL)
+#define PTF_VERTICAL	(1UL)
+#define PTF_CHECK	(2UL)
+
+struct tl_cpu {
+	unsigned char reserved0[4];
+	unsigned char :6;
+	unsigned char pp:2;
+	unsigned char reserved1;
+	unsigned short origin;
+	unsigned long mask[CPU_BITS / BITS_PER_LONG];
+};
+
+struct tl_container {
+	unsigned char reserved[8];
+};
+
+union tl_entry {
+	unsigned char nl;
+	struct tl_cpu cpu;
+	struct tl_container container;
+};
+
+struct tl_info {
+	unsigned char reserved0[2];
+	unsigned short length;
+	unsigned char mag[NR_MAG];
+	unsigned char reserved1;
+	unsigned char mnest;
+	unsigned char reserved2[4];
+	union tl_entry tle[0];
+};
+
+struct core_info {
+	struct core_info *next;
+	cpumask_t mask;
+};
+
+static void topology_work_fn(struct work_struct *work);
+static struct tl_info *tl_info;
+static struct core_info core_info;
+static int machine_has_topology;
+static int machine_has_topology_irq;
+static struct timer_list topology_timer;
+static void set_topology_timer(void);
+static DECLARE_WORK(topology_work, topology_work_fn);
+
+cpumask_t cpu_coregroup_map(unsigned int cpu)
+{
+	struct core_info *core = &core_info;
+	cpumask_t mask;
+
+	cpus_clear(mask);
+	if (!machine_has_topology)
+		return cpu_present_map;
+	mutex_lock(&smp_cpu_state_mutex);
+	while (core) {
+		if (cpu_isset(cpu, core->mask)) {
+			mask = core->mask;
+			break;
+		}
+		core = core->next;
+	}
+	mutex_unlock(&smp_cpu_state_mutex);
+	if (cpus_empty(mask))
+		mask = cpumask_of_cpu(cpu);
+	return mask;
+}
+
+static void add_cpus_to_core(struct tl_cpu *tl_cpu, struct core_info *core)
+{
+	unsigned int cpu;
+
+	for (cpu = find_first_bit(&tl_cpu->mask[0], CPU_BITS);
+	     cpu < CPU_BITS;
+	     cpu = find_next_bit(&tl_cpu->mask[0], CPU_BITS, cpu + 1))
+	{
+		unsigned int rcpu, lcpu;
+
+		rcpu = CPU_BITS - 1 - cpu + tl_cpu->origin;
+		for_each_present_cpu(lcpu) {
+			if (__cpu_logical_map[lcpu] == rcpu) {
+				cpu_set(lcpu, core->mask);
+				smp_cpu_polarization[lcpu] = tl_cpu->pp;
+			}
+		}
+	}
+}
+
+static void clear_cores(void)
+{
+	struct core_info *core = &core_info;
+
+	while (core) {
+		cpus_clear(core->mask);
+		core = core->next;
+	}
+}
+
+static union tl_entry *next_tle(union tl_entry *tle)
+{
+	if (tle->nl)
+		return (union tl_entry *)((struct tl_container *)tle + 1);
+	else
+		return (union tl_entry *)((struct tl_cpu *)tle + 1);
+}
+
+static void tl_to_cores(struct tl_info *info)
+{
+	union tl_entry *tle, *end;
+	struct core_info *core = &core_info;
+
+	mutex_lock(&smp_cpu_state_mutex);
+	clear_cores();
+	tle = info->tle;
+	end = (union tl_entry *)((unsigned long)info + info->length);
+	while (tle < end) {
+		switch (tle->nl) {
+		case 5:
+		case 4:
+		case 3:
+		case 2:
+			break;
+		case 1:
+			core = core->next;
+			break;
+		case 0:
+			add_cpus_to_core(&tle->cpu, core);
+			break;
+		default:
+			clear_cores();
+			machine_has_topology = 0;
+			return;
+		}
+		tle = next_tle(tle);
+	}
+	mutex_unlock(&smp_cpu_state_mutex);
+}
+
+static void topology_update_polarization_simple(void)
+{
+	int cpu;
+
+	mutex_lock(&smp_cpu_state_mutex);
+	for_each_present_cpu(cpu)
+		smp_cpu_polarization[cpu] = POLARIZATION_HRZ;
+	mutex_unlock(&smp_cpu_state_mutex);
+}
+
+static int ptf(unsigned long fc)
+{
+	int rc;
+
+	asm volatile(
+		"	.insn	rre,0xb9a20000,%1,%1\n"
+		"	ipm	%0\n"
+		"	srl	%0,28\n"
+		: "=d" (rc)
+		: "d" (fc)  : "cc");
+	return rc;
+}
+
+int topology_set_cpu_management(int fc)
+{
+	int cpu;
+	int rc;
+
+	if (!machine_has_topology)
+		return -EOPNOTSUPP;
+	if (fc)
+		rc = ptf(PTF_VERTICAL);
+	else
+		rc = ptf(PTF_HORIZONTAL);
+	if (rc)
+		return -EBUSY;
+	for_each_present_cpu(cpu)
+		smp_cpu_polarization[cpu] = POLARIZATION_UNKNWN;
+	return rc;
+}
+
+void arch_update_cpu_topology(void)
+{
+	struct tl_info *info = tl_info;
+	struct sys_device *sysdev;
+	int cpu;
+
+	if (!machine_has_topology) {
+		topology_update_polarization_simple();
+		return;
+	}
+	stsi(info, 15, 1, 2);
+	tl_to_cores(info);
+	for_each_online_cpu(cpu) {
+		sysdev = get_cpu_sysdev(cpu);
+		kobject_uevent(&sysdev->kobj, KOBJ_CHANGE);
+	}
+}
+
+static void topology_work_fn(struct work_struct *work)
+{
+	arch_reinit_sched_domains();
+}
+
+void topology_schedule_update(void)
+{
+	schedule_work(&topology_work);
+}
+
+static void topology_timer_fn(unsigned long ignored)
+{
+	if (ptf(PTF_CHECK))
+		topology_schedule_update();
+	set_topology_timer();
+}
+
+static void set_topology_timer(void)
+{
+	topology_timer.function = topology_timer_fn;
+	topology_timer.data = 0;
+	topology_timer.expires = jiffies + 60 * HZ;
+	add_timer(&topology_timer);
+}
+
+static void topology_interrupt(__u16 code)
+{
+	schedule_work(&topology_work);
+}
+
+static int __init init_topology_update(void)
+{
+	int rc;
+
+	if (!machine_has_topology) {
+		topology_update_polarization_simple();
+		return 0;
+	}
+	init_timer_deferrable(&topology_timer);
+	if (machine_has_topology_irq) {
+		rc = register_external_interrupt(0x2005, topology_interrupt);
+		if (rc)
+			return rc;
+		ctl_set_bit(0, 8);
+	}
+	else
+		set_topology_timer();
+	return 0;
+}
+__initcall(init_topology_update);
+
+void __init s390_init_cpu_topology(void)
+{
+	unsigned long long facility_bits;
+	struct tl_info *info;
+	struct core_info *core;
+	int nr_cores;
+	int i;
+
+	if (stfle(&facility_bits, 1) <= 0)
+		return;
+	if (!(facility_bits & (1ULL << 52)) || !(facility_bits & (1ULL << 61)))
+		return;
+	machine_has_topology = 1;
+
+	if (facility_bits & (1ULL << 51))
+		machine_has_topology_irq = 1;
+
+	tl_info = alloc_bootmem_pages(PAGE_SIZE);
+	if (!tl_info)
+		goto error;
+	info = tl_info;
+	stsi(info, 15, 1, 2);
+
+	nr_cores = info->mag[NR_MAG - 2];
+	for (i = 0; i < info->mnest - 2; i++)
+		nr_cores *= info->mag[NR_MAG - 3 - i];
+
+	printk(KERN_INFO "CPU topology:");
+	for (i = 0; i < NR_MAG; i++)
+		printk(" %d", info->mag[i]);
+	printk(" / %d\n", info->mnest);
+
+	core = &core_info;
+	for (i = 0; i < nr_cores; i++) {
+		core->next = alloc_bootmem(sizeof(struct core_info));
+		core = core->next;
+		if (!core)
+			goto error;
+	}
+	return;
+error:
+	machine_has_topology = 0;
+	machine_has_topology_irq = 0;
+}
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index 60f728aeaf1..57b607b6110 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -42,11 +42,8 @@
 #include <asm/s390_ext.h>
 #include <asm/lowcore.h>
 #include <asm/debug.h>
+#include "entry.h"
 
-/* Called from entry.S only */
-extern void handle_per_exception(struct pt_regs *regs);
-
-typedef void pgm_check_handler_t(struct pt_regs *, long);
 pgm_check_handler_t *pgm_check_table[128];
 
 #ifdef CONFIG_SYSCTL
@@ -59,7 +56,6 @@ int sysctl_userprocess_debug = 0;
 
 extern pgm_check_handler_t do_protection_exception;
 extern pgm_check_handler_t do_dat_exception;
-extern pgm_check_handler_t do_monitor_call;
 extern pgm_check_handler_t do_asce_exception;
 
 #define stack_pointer ({ void **sp; asm("la %0,0(15)" : "=&d" (sp)); sp; })
@@ -138,7 +134,6 @@ void show_trace(struct task_struct *task, unsigned long *stack)
 	else
 		__show_trace(sp, S390_lowcore.thread_info,
 			     S390_lowcore.thread_info + THREAD_SIZE);
-	printk("\n");
 	if (!task)
 		task = current;
 	debug_show_held_locks(task);
@@ -166,6 +161,15 @@ void show_stack(struct task_struct *task, unsigned long *sp)
 	show_trace(task, sp);
 }
 
+#ifdef CONFIG_64BIT
+void show_last_breaking_event(struct pt_regs *regs)
+{
+	printk("Last Breaking-Event-Address:\n");
+	printk(" [<%016lx>] ", regs->args[0] & PSW_ADDR_INSN);
+	print_symbol("%s\n", regs->args[0] & PSW_ADDR_INSN);
+}
+#endif
+
 /*
  * The architecture-independent dump_stack generator
  */
@@ -739,6 +743,5 @@ void __init trap_init(void)
         pgm_check_table[0x15] = &operand_exception;
         pgm_check_table[0x1C] = &space_switch_exception;
         pgm_check_table[0x1D] = &hfp_sqrt_exception;
-	pgm_check_table[0x40] = &do_monitor_call;
 	pfault_irq_init();
 }
diff --git a/arch/s390/lib/delay.c b/arch/s390/lib/delay.c
index 70f2a862b67..eae21a8ac72 100644
--- a/arch/s390/lib/delay.c
+++ b/arch/s390/lib/delay.c
@@ -34,7 +34,7 @@ void __delay(unsigned long loops)
  */
 void __udelay(unsigned long usecs)
 {
-	u64 end, time, jiffy_timer = 0;
+	u64 end, time, old_cc = 0;
 	unsigned long flags, cr0, mask, dummy;
 	int irq_context;
 
@@ -43,8 +43,8 @@ void __udelay(unsigned long usecs)
 		local_bh_disable();
 	local_irq_save(flags);
 	if (raw_irqs_disabled_flags(flags)) {
-		jiffy_timer = S390_lowcore.jiffy_timer;
-		S390_lowcore.jiffy_timer = -1ULL - (4096 << 12);
+		old_cc = S390_lowcore.clock_comparator;
+		S390_lowcore.clock_comparator = -1ULL;
 		__ctl_store(cr0, 0, 0);
 		dummy = (cr0 & 0xffff00e0) | 0x00000800;
 		__ctl_load(dummy , 0, 0);
@@ -55,8 +55,8 @@ void __udelay(unsigned long usecs)
 
 	end = get_clock() + ((u64) usecs << 12);
 	do {
-		time = end < S390_lowcore.jiffy_timer ?
-			end : S390_lowcore.jiffy_timer;
+		time = end < S390_lowcore.clock_comparator ?
+			end : S390_lowcore.clock_comparator;
 		set_clock_comparator(time);
 		trace_hardirqs_on();
 		__load_psw_mask(mask);
@@ -65,10 +65,10 @@ void __udelay(unsigned long usecs)
 
 	if (raw_irqs_disabled_flags(flags)) {
 		__ctl_load(cr0, 0, 0);
-		S390_lowcore.jiffy_timer = jiffy_timer;
+		S390_lowcore.clock_comparator = old_cc;
 	}
 	if (!irq_context)
 		_local_bh_enable();
-	set_clock_comparator(S390_lowcore.jiffy_timer);
+	set_clock_comparator(S390_lowcore.clock_comparator);
 	local_irq_restore(flags);
 }
diff --git a/arch/s390/lib/uaccess_pt.c b/arch/s390/lib/uaccess_pt.c
index 5efdfe9f5e7..d66215b0fde 100644
--- a/arch/s390/lib/uaccess_pt.c
+++ b/arch/s390/lib/uaccess_pt.c
@@ -302,6 +302,10 @@ static size_t copy_in_user_pt(size_t n, void __user *to,
 	pte_t *pte_from, *pte_to;
 	int write_user;
 
+	if (segment_eq(get_fs(), KERNEL_DS)) {
+		memcpy((void __force *) to, (void __force *) from, n);
+		return 0;
+	}
 	done = 0;
 retry:
 	spin_lock(&mm->page_table_lock);
@@ -361,18 +365,10 @@ fault:
 		     : "0" (-EFAULT), "d" (oparg), "a" (uaddr),		\
 		       "m" (*uaddr) : "cc" );
 
-int futex_atomic_op_pt(int op, int __user *uaddr, int oparg, int *old)
+static int __futex_atomic_op_pt(int op, int __user *uaddr, int oparg, int *old)
 {
 	int oldval = 0, newval, ret;
 
-	spin_lock(&current->mm->page_table_lock);
-	uaddr = (int __user *) __dat_user_addr((unsigned long) uaddr);
-	if (!uaddr) {
-		spin_unlock(&current->mm->page_table_lock);
-		return -EFAULT;
-	}
-	get_page(virt_to_page(uaddr));
-	spin_unlock(&current->mm->page_table_lock);
 	switch (op) {
 	case FUTEX_OP_SET:
 		__futex_atomic_op("lr %2,%5\n",
@@ -397,17 +393,17 @@ int futex_atomic_op_pt(int op, int __user *uaddr, int oparg, int *old)
 	default:
 		ret = -ENOSYS;
 	}
-	put_page(virt_to_page(uaddr));
-	*old = oldval;
+	if (ret == 0)
+		*old = oldval;
 	return ret;
 }
 
-int futex_atomic_cmpxchg_pt(int __user *uaddr, int oldval, int newval)
+int futex_atomic_op_pt(int op, int __user *uaddr, int oparg, int *old)
 {
 	int ret;
 
-	if (!current->mm)
-		return -EFAULT;
+	if (segment_eq(get_fs(), KERNEL_DS))
+		return __futex_atomic_op_pt(op, uaddr, oparg, old);
 	spin_lock(&current->mm->page_table_lock);
 	uaddr = (int __user *) __dat_user_addr((unsigned long) uaddr);
 	if (!uaddr) {
@@ -416,13 +412,40 @@ int futex_atomic_cmpxchg_pt(int __user *uaddr, int oldval, int newval)
 	}
 	get_page(virt_to_page(uaddr));
 	spin_unlock(&current->mm->page_table_lock);
-	asm volatile("   cs   %1,%4,0(%5)\n"
-		     "0: lr   %0,%1\n"
-		     "1:\n"
-		     EX_TABLE(0b,1b)
+	ret = __futex_atomic_op_pt(op, uaddr, oparg, old);
+	put_page(virt_to_page(uaddr));
+	return ret;
+}
+
+static int __futex_atomic_cmpxchg_pt(int __user *uaddr, int oldval, int newval)
+{
+	int ret;
+
+	asm volatile("0: cs   %1,%4,0(%5)\n"
+		     "1: lr   %0,%1\n"
+		     "2:\n"
+		     EX_TABLE(0b,2b) EX_TABLE(1b,2b)
 		     : "=d" (ret), "+d" (oldval), "=m" (*uaddr)
 		     : "0" (-EFAULT), "d" (newval), "a" (uaddr), "m" (*uaddr)
 		     : "cc", "memory" );
+	return ret;
+}
+
+int futex_atomic_cmpxchg_pt(int __user *uaddr, int oldval, int newval)
+{
+	int ret;
+
+	if (segment_eq(get_fs(), KERNEL_DS))
+		return __futex_atomic_cmpxchg_pt(uaddr, oldval, newval);
+	spin_lock(&current->mm->page_table_lock);
+	uaddr = (int __user *) __dat_user_addr((unsigned long) uaddr);
+	if (!uaddr) {
+		spin_unlock(&current->mm->page_table_lock);
+		return -EFAULT;
+	}
+	get_page(virt_to_page(uaddr));
+	spin_unlock(&current->mm->page_table_lock);
+	ret = __futex_atomic_cmpxchg_pt(uaddr, oldval, newval);
 	put_page(virt_to_page(uaddr));
 	return ret;
 }
diff --git a/arch/s390/mm/extmem.c b/arch/s390/mm/extmem.c
index 880b0ebf894..ed2af0a3303 100644
--- a/arch/s390/mm/extmem.c
+++ b/arch/s390/mm/extmem.c
@@ -289,22 +289,8 @@ __segment_load (char *name, int do_nonshared, unsigned long *addr, unsigned long
 
 	rc = add_shared_memory(seg->start_addr, seg->end - seg->start_addr + 1);
 
-	switch (rc) {
-	case 0:
-		break;
-	case -ENOSPC:
-		PRINT_WARN("segment_load: not loading segment %s - overlaps "
-			   "storage/segment\n", name);
-		goto out_free;
-	case -ERANGE:
-		PRINT_WARN("segment_load: not loading segment %s - exceeds "
-			   "kernel mapping range\n", name);
-		goto out_free;
-	default:
-		PRINT_WARN("segment_load: not loading segment %s (rc: %d)\n",
-			   name, rc);
+	if (rc)
 		goto out_free;
-	}
 
 	seg->res = kzalloc(sizeof(struct resource), GFP_KERNEL);
 	if (seg->res == NULL) {
@@ -582,8 +568,59 @@ out:
 	mutex_unlock(&dcss_lock);
 }
 
+/*
+ * print appropriate error message for segment_load()/segment_type()
+ * return code
+ */
+void segment_warning(int rc, char *seg_name)
+{
+	switch (rc) {
+	case -ENOENT:
+		PRINT_WARN("cannot load/query segment %s, "
+			   "does not exist\n", seg_name);
+		break;
+	case -ENOSYS:
+		PRINT_WARN("cannot load/query segment %s, "
+			   "not running on VM\n", seg_name);
+		break;
+	case -EIO:
+		PRINT_WARN("cannot load/query segment %s, "
+			   "hardware error\n", seg_name);
+		break;
+	case -ENOTSUPP:
+		PRINT_WARN("cannot load/query segment %s, "
+			   "is a multi-part segment\n", seg_name);
+		break;
+	case -ENOSPC:
+		PRINT_WARN("cannot load/query segment %s, "
+			   "overlaps with storage\n", seg_name);
+		break;
+	case -EBUSY:
+		PRINT_WARN("cannot load/query segment %s, "
+			   "overlaps with already loaded dcss\n", seg_name);
+		break;
+	case -EPERM:
+		PRINT_WARN("cannot load/query segment %s, "
+			   "already loaded in incompatible mode\n", seg_name);
+		break;
+	case -ENOMEM:
+		PRINT_WARN("cannot load/query segment %s, "
+			   "out of memory\n", seg_name);
+		break;
+	case -ERANGE:
+		PRINT_WARN("cannot load/query segment %s, "
+			   "exceeds kernel mapping range\n", seg_name);
+		break;
+	default:
+		PRINT_WARN("cannot load/query segment %s, "
+			   "return value %i\n", seg_name, rc);
+		break;
+	}
+}
+
 EXPORT_SYMBOL(segment_load);
 EXPORT_SYMBOL(segment_unload);
 EXPORT_SYMBOL(segment_save);
 EXPORT_SYMBOL(segment_type);
 EXPORT_SYMBOL(segment_modify_shared);
+EXPORT_SYMBOL(segment_warning);
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index ed13d429a48..2650f46001d 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -28,11 +28,11 @@
 #include <linux/hardirq.h>
 #include <linux/kprobes.h>
 #include <linux/uaccess.h>
-
 #include <asm/system.h>
 #include <asm/pgtable.h>
 #include <asm/s390_ext.h>
 #include <asm/mmu_context.h>
+#include "../kernel/entry.h"
 
 #ifndef CONFIG_64BIT
 #define __FAIL_ADDR_MASK 0x7ffff000
@@ -50,8 +50,6 @@
 extern int sysctl_userprocess_debug;
 #endif
 
-extern void die(const char *,struct pt_regs *,long);
-
 #ifdef CONFIG_KPROBES
 static inline int notify_page_fault(struct pt_regs *regs, long err)
 {
@@ -245,11 +243,6 @@ static void do_sigbus(struct pt_regs *regs, unsigned long error_code,
 }
 
 #ifdef CONFIG_S390_EXEC_PROTECT
-extern long sys_sigreturn(struct pt_regs *regs);
-extern long sys_rt_sigreturn(struct pt_regs *regs);
-extern long sys32_sigreturn(struct pt_regs *regs);
-extern long sys32_rt_sigreturn(struct pt_regs *regs);
-
 static int signal_return(struct mm_struct *mm, struct pt_regs *regs,
 			 unsigned long address, unsigned long error_code)
 {
@@ -270,15 +263,15 @@ static int signal_return(struct mm_struct *mm, struct pt_regs *regs,
 #ifdef CONFIG_COMPAT
 	compat = test_tsk_thread_flag(current, TIF_31BIT);
 	if (compat && instruction == 0x0a77)
-		sys32_sigreturn(regs);
+		sys32_sigreturn();
 	else if (compat && instruction == 0x0aad)
-		sys32_rt_sigreturn(regs);
+		sys32_rt_sigreturn();
 	else
 #endif
 	if (instruction == 0x0a77)
-		sys_sigreturn(regs);
+		sys_sigreturn();
 	else if (instruction == 0x0aad)
-		sys_rt_sigreturn(regs);
+		sys_rt_sigreturn();
 	else {
 		current->thread.prot_addr = address;
 		current->thread.trap_no = error_code;
@@ -424,7 +417,7 @@ no_context:
 }
 
 void __kprobes do_protection_exception(struct pt_regs *regs,
-				       unsigned long error_code)
+				       long error_code)
 {
 	/* Protection exception is supressing, decrement psw address. */
 	regs->psw.addr -= (error_code >> 16);
@@ -440,7 +433,7 @@ void __kprobes do_protection_exception(struct pt_regs *regs,
 	do_exception(regs, 4, 1);
 }
 
-void __kprobes do_dat_exception(struct pt_regs *regs, unsigned long error_code)
+void __kprobes do_dat_exception(struct pt_regs *regs, long error_code)
 {
 	do_exception(regs, error_code & 0xff, 0);
 }
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 8053245fe25..202c952a29b 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -50,7 +50,6 @@ void show_mem(void)
 
 	printk("Mem-info:\n");
 	show_free_areas();
-	printk("Free swap:       %6ldkB\n", nr_swap_pages << (PAGE_SHIFT - 10));
 	i = max_mapnr;
 	while (i-- > 0) {
 		if (!pfn_valid(i))
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index 84cdf902573..349b6edc579 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -116,6 +116,10 @@ static ssize_t rng_dev_read(struct file *filp, char __user *buf,
 		err = -EAGAIN;
 		if (!bytes_read && (filp->f_flags & O_NONBLOCK))
 			goto out;
+		if (bytes_read < 0) {
+			err = bytes_read;
+			goto out;
+		}
 
 		err = -EFAULT;
 		while (bytes_read && size) {
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index 6b658d84d52..6d2f0c8d419 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -64,6 +64,7 @@ config ZCRYPT
 	tristate "Support for PCI-attached cryptographic adapters"
 	depends on S390
 	select ZCRYPT_MONOLITHIC if ZCRYPT="y"
+	select HW_RANDOM
 	help
 	  Select this option if you want to use a PCI-attached cryptographic
 	  adapter like:
diff --git a/drivers/s390/block/Kconfig b/drivers/s390/block/Kconfig
index e879b212cf4..07883197f47 100644
--- a/drivers/s390/block/Kconfig
+++ b/drivers/s390/block/Kconfig
@@ -20,6 +20,7 @@ config DCSSBLK
 config DASD
 	tristate "Support for DASD devices"
 	depends on CCW && BLOCK
+	select IOSCHED_DEADLINE
 	help
 	  Enable this option if you want to access DASDs directly utilizing
 	  S/390s channel subsystem commands. This is necessary for running
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index ccf46c96adb..ac6d4d3218b 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -980,12 +980,12 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
 			break;
 		case -ETIMEDOUT:
 			printk(KERN_WARNING"%s(%s): request timed out\n",
-			       __FUNCTION__, cdev->dev.bus_id);
+			       __func__, cdev->dev.bus_id);
 			//FIXME - dasd uses own timeout interface...
 			break;
 		default:
 			printk(KERN_WARNING"%s(%s): unknown error %ld\n",
-			       __FUNCTION__, cdev->dev.bus_id, PTR_ERR(irb));
+			       __func__, cdev->dev.bus_id, PTR_ERR(irb));
 		}
 		return;
 	}
@@ -1956,6 +1956,7 @@ static int dasd_alloc_queue(struct dasd_block *block)
 	block->request_queue->queuedata = block;
 
 	elevator_exit(block->request_queue->elevator);
+	block->request_queue->elevator = NULL;
 	rc = elevator_init(block->request_queue, "deadline");
 	if (rc) {
 		blk_cleanup_queue(block->request_queue);
@@ -2298,9 +2299,8 @@ int dasd_generic_set_offline(struct ccw_device *cdev)
 	 * in the other openers.
 	 */
 	if (device->block) {
-		struct dasd_block *block = device->block;
-		max_count = block->bdev ? 0 : -1;
-		open_count = (int) atomic_read(&block->open_count);
+		max_count = device->block->bdev ? 0 : -1;
+		open_count = atomic_read(&device->block->open_count);
 		if (open_count > max_count) {
 			if (open_count > 0)
 				printk(KERN_WARNING "Can't offline dasd "
diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c
index b19db20a0be..e6700df52df 100644
--- a/drivers/s390/block/dasd_3990_erp.c
+++ b/drivers/s390/block/dasd_3990_erp.c
@@ -1996,6 +1996,36 @@ dasd_3990_erp_compound(struct dasd_ccw_req * erp, char *sense)
 }				/* end dasd_3990_erp_compound */
 
 /*
+ *DASD_3990_ERP_HANDLE_SIM
+ *
+ *DESCRIPTION
+ *  inspects the SIM SENSE data and starts an appropriate action
+ *
+ * PARAMETER
+ *   sense	   sense data of the actual error
+ *
+ * RETURN VALUES
+ *   none
+ */
+void
+dasd_3990_erp_handle_sim(struct dasd_device *device, char *sense)
+{
+	/* print message according to log or message to operator mode */
+	if ((sense[24] & DASD_SIM_MSG_TO_OP) || (sense[1] & 0x10)) {
+
+		/* print SIM SRC from RefCode */
+		DEV_MESSAGE(KERN_ERR, device, "SIM - SRC: "
+			    "%02x%02x%02x%02x", sense[22],
+			    sense[23], sense[11], sense[12]);
+	} else if (sense[24] & DASD_SIM_LOG) {
+		/* print SIM SRC Refcode */
+		DEV_MESSAGE(KERN_WARNING, device, "SIM - SRC: "
+			    "%02x%02x%02x%02x", sense[22],
+			    sense[23], sense[11], sense[12]);
+	}
+}
+
+/*
  * DASD_3990_ERP_INSPECT_32
  *
  * DESCRIPTION
@@ -2018,6 +2048,10 @@ dasd_3990_erp_inspect_32(struct dasd_ccw_req * erp, char *sense)
 
 	erp->function = dasd_3990_erp_inspect_32;
 
+	/* check for SIM sense data */
+	if ((sense[6] & DASD_SIM_SENSE) == DASD_SIM_SENSE)
+		dasd_3990_erp_handle_sim(device, sense);
+
 	if (sense[25] & DASD_SENSE_BIT_0) {
 
 		/* compound program action codes (byte25 bit 0 == '1') */
diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c
index 3a40bee9d35..2d8df0b3053 100644
--- a/drivers/s390/block/dasd_alias.c
+++ b/drivers/s390/block/dasd_alias.c
@@ -745,6 +745,19 @@ static void flush_all_alias_devices_on_lcu(struct alias_lcu *lcu)
 	spin_unlock_irqrestore(&lcu->lock, flags);
 }
 
+static void __stop_device_on_lcu(struct dasd_device *device,
+				 struct dasd_device *pos)
+{
+	/* If pos == device then device is already locked! */
+	if (pos == device) {
+		pos->stopped |= DASD_STOPPED_SU;
+		return;
+	}
+	spin_lock(get_ccwdev_lock(pos->cdev));
+	pos->stopped |= DASD_STOPPED_SU;
+	spin_unlock(get_ccwdev_lock(pos->cdev));
+}
+
 /*
  * This function is called in interrupt context, so the
  * cdev lock for device is already locked!
@@ -755,35 +768,15 @@ static void _stop_all_devices_on_lcu(struct alias_lcu *lcu,
 	struct alias_pav_group *pavgroup;
 	struct dasd_device *pos;
 
-	list_for_each_entry(pos, &lcu->active_devices, alias_list) {
-		if (pos != device)
-			spin_lock(get_ccwdev_lock(pos->cdev));
-		pos->stopped |= DASD_STOPPED_SU;
-		if (pos != device)
-			spin_unlock(get_ccwdev_lock(pos->cdev));
-	}
-	list_for_each_entry(pos, &lcu->inactive_devices, alias_list) {
-		if (pos != device)
-			spin_lock(get_ccwdev_lock(pos->cdev));
-		pos->stopped |= DASD_STOPPED_SU;
-		if (pos != device)
-			spin_unlock(get_ccwdev_lock(pos->cdev));
-	}
+	list_for_each_entry(pos, &lcu->active_devices, alias_list)
+		__stop_device_on_lcu(device, pos);
+	list_for_each_entry(pos, &lcu->inactive_devices, alias_list)
+		__stop_device_on_lcu(device, pos);
 	list_for_each_entry(pavgroup, &lcu->grouplist, group) {
-		list_for_each_entry(pos, &pavgroup->baselist, alias_list) {
-			if (pos != device)
-				spin_lock(get_ccwdev_lock(pos->cdev));
-			pos->stopped |= DASD_STOPPED_SU;
-			if (pos != device)
-				spin_unlock(get_ccwdev_lock(pos->cdev));
-		}
-		list_for_each_entry(pos, &pavgroup->aliaslist, alias_list) {
-			if (pos != device)
-				spin_lock(get_ccwdev_lock(pos->cdev));
-			pos->stopped |= DASD_STOPPED_SU;
-			if (pos != device)
-				spin_unlock(get_ccwdev_lock(pos->cdev));
-		}
+		list_for_each_entry(pos, &pavgroup->baselist, alias_list)
+			__stop_device_on_lcu(device, pos);
+		list_for_each_entry(pos, &pavgroup->aliaslist, alias_list)
+			__stop_device_on_lcu(device, pos);
 	}
 }
 
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 61f16937c1e..a0edae091b5 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -1415,6 +1415,13 @@ static void dasd_eckd_handle_unsolicited_interrupt(struct dasd_device *device,
 		return;
 	}
 
+
+	/* service information message SIM */
+	if ((irb->ecw[6] & DASD_SIM_SENSE) == DASD_SIM_SENSE) {
+		dasd_3990_erp_handle_sim(device, irb->ecw);
+		return;
+	}
+
 	/* just report other unsolicited interrupts */
 	DEV_MESSAGE(KERN_DEBUG, device, "%s",
 		    "unsolicited interrupt received");
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index d13ea05089a..116611583df 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -125,7 +125,8 @@ dasd_fba_check_characteristics(struct dasd_device *device)
 
 	private = (struct dasd_fba_private *) device->private;
 	if (private == NULL) {
-		private = kzalloc(sizeof(struct dasd_fba_private), GFP_KERNEL);
+		private = kzalloc(sizeof(struct dasd_fba_private),
+				  GFP_KERNEL | GFP_DMA);
 		if (private == NULL) {
 			DEV_MESSAGE(KERN_WARNING, device, "%s",
 				    "memory allocation failed for private "
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 44b2984dfbe..6c624bf4461 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -72,6 +72,11 @@ struct dasd_block;
 #define DASD_SENSE_BIT_2 0x20
 #define DASD_SENSE_BIT_3 0x10
 
+/* BIT DEFINITIONS FOR SIM SENSE */
+#define DASD_SIM_SENSE 0x0F
+#define DASD_SIM_MSG_TO_OP 0x03
+#define DASD_SIM_LOG 0x0C
+
 /*
  * SECTION: MACROs for klogd and s390 debug feature (dbf)
  */
@@ -621,6 +626,7 @@ void dasd_log_sense(struct dasd_ccw_req *, struct irb *);
 
 /* externals in dasd_3990_erp.c */
 struct dasd_ccw_req *dasd_3990_erp_action(struct dasd_ccw_req *);
+void dasd_3990_erp_handle_sim(struct dasd_device *, char *);
 
 /* externals in dasd_eer.c */
 #ifdef CONFIG_DASD_EER
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index e6c94dbfdea..04787eab101 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -142,57 +142,6 @@ dcssblk_get_device_by_name(char *name)
 	return NULL;
 }
 
-/*
- * print appropriate error message for segment_load()/segment_type()
- * return code
- */
-static void
-dcssblk_segment_warn(int rc, char* seg_name)
-{
-	switch (rc) {
-	case -ENOENT:
-		PRINT_WARN("cannot load/query segment %s, does not exist\n",
-			   seg_name);
-		break;
-	case -ENOSYS:
-		PRINT_WARN("cannot load/query segment %s, not running on VM\n",
-			   seg_name);
-		break;
-	case -EIO:
-		PRINT_WARN("cannot load/query segment %s, hardware error\n",
-			   seg_name);
-		break;
-	case -ENOTSUPP:
-		PRINT_WARN("cannot load/query segment %s, is a multi-part "
-			   "segment\n", seg_name);
-		break;
-	case -ENOSPC:
-		PRINT_WARN("cannot load/query segment %s, overlaps with "
-			   "storage\n", seg_name);
-		break;
-	case -EBUSY:
-		PRINT_WARN("cannot load/query segment %s, overlaps with "
-			   "already loaded dcss\n", seg_name);
-		break;
-	case -EPERM:
-		PRINT_WARN("cannot load/query segment %s, already loaded in "
-			   "incompatible mode\n", seg_name);
-		break;
-	case -ENOMEM:
-		PRINT_WARN("cannot load/query segment %s, out of memory\n",
-			   seg_name);
-		break;
-	case -ERANGE:
-		PRINT_WARN("cannot load/query segment %s, exceeds kernel "
-			   "mapping range\n", seg_name);
-		break;
-	default:
-		PRINT_WARN("cannot load/query segment %s, return value %i\n",
-			   seg_name, rc);
-		break;
-	}
-}
-
 static void dcssblk_unregister_callback(struct device *dev)
 {
 	device_unregister(dev);
@@ -423,7 +372,7 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char
 	rc = segment_load(local_buf, SEGMENT_SHARED,
 				&dev_info->start, &dev_info->end);
 	if (rc < 0) {
-		dcssblk_segment_warn(rc, dev_info->segment_name);
+		segment_warning(rc, dev_info->segment_name);
 		goto dealloc_gendisk;
 	}
 	seg_byte_size = (dev_info->end - dev_info->start + 1);
diff --git a/drivers/s390/char/monreader.c b/drivers/s390/char/monreader.c
index 67009bfa093..1e1f50655bb 100644
--- a/drivers/s390/char/monreader.c
+++ b/drivers/s390/char/monreader.c
@@ -111,56 +111,6 @@ static void dcss_mkname(char *ascii_name, char *ebcdic_name)
 	ASCEBC(ebcdic_name, 8);
 }
 
-/*
- * print appropriate error message for segment_load()/segment_type()
- * return code
- */
-static void mon_segment_warn(int rc, char* seg_name)
-{
-	switch (rc) {
-	case -ENOENT:
-		P_WARNING("cannot load/query segment %s, does not exist\n",
-			  seg_name);
-		break;
-	case -ENOSYS:
-		P_WARNING("cannot load/query segment %s, not running on VM\n",
-			  seg_name);
-		break;
-	case -EIO:
-		P_WARNING("cannot load/query segment %s, hardware error\n",
-			  seg_name);
-		break;
-	case -ENOTSUPP:
-		P_WARNING("cannot load/query segment %s, is a multi-part "
-			  "segment\n", seg_name);
-		break;
-	case -ENOSPC:
-		P_WARNING("cannot load/query segment %s, overlaps with "
-			  "storage\n", seg_name);
-		break;
-	case -EBUSY:
-		P_WARNING("cannot load/query segment %s, overlaps with "
-			  "already loaded dcss\n", seg_name);
-		break;
-	case -EPERM:
-		P_WARNING("cannot load/query segment %s, already loaded in "
-			  "incompatible mode\n", seg_name);
-		break;
-	case -ENOMEM:
-		P_WARNING("cannot load/query segment %s, out of memory\n",
-			  seg_name);
-		break;
-	case -ERANGE:
-		P_WARNING("cannot load/query segment %s, exceeds kernel "
-			  "mapping range\n", seg_name);
-		break;
-	default:
-		P_WARNING("cannot load/query segment %s, return value %i\n",
-			  seg_name, rc);
-		break;
-	}
-}
-
 static inline unsigned long mon_mca_start(struct mon_msg *monmsg)
 {
 	return *(u32 *) &monmsg->msg.rmmsg;
@@ -585,7 +535,7 @@ static int __init mon_init(void)
 
 	rc = segment_type(mon_dcss_name);
 	if (rc < 0) {
-		mon_segment_warn(rc, mon_dcss_name);
+		segment_warning(rc, mon_dcss_name);
 		goto out_iucv;
 	}
 	if (rc != SEG_TYPE_SC) {
@@ -598,7 +548,7 @@ static int __init mon_init(void)
 	rc = segment_load(mon_dcss_name, SEGMENT_SHARED,
 			  &mon_dcss_start, &mon_dcss_end);
 	if (rc < 0) {
-		mon_segment_warn(rc, mon_dcss_name);
+		segment_warning(rc, mon_dcss_name);
 		rc = -EINVAL;
 		goto out_iucv;
 	}
diff --git a/drivers/s390/char/sclp_tty.c b/drivers/s390/char/sclp_tty.c
index 2e616e33891..e3b3d390b4a 100644
--- a/drivers/s390/char/sclp_tty.c
+++ b/drivers/s390/char/sclp_tty.c
@@ -332,7 +332,7 @@ sclp_tty_write_string(const unsigned char *str, int count)
 		if (sclp_ttybuf == NULL) {
 			while (list_empty(&sclp_tty_pages)) {
 				spin_unlock_irqrestore(&sclp_tty_lock, flags);
-				if (in_atomic())
+				if (in_interrupt())
 					sclp_sync_wait();
 				else
 					wait_event(sclp_tty_waitq,
diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index f7b258dfd52..ed507594e62 100644
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -383,7 +383,7 @@ sclp_vt220_timeout(unsigned long data)
  */
 static int
 __sclp_vt220_write(const unsigned char *buf, int count, int do_schedule,
-		   int convertlf)
+		   int convertlf, int may_schedule)
 {
 	unsigned long flags;
 	void *page;
@@ -398,9 +398,8 @@ __sclp_vt220_write(const unsigned char *buf, int count, int do_schedule,
 		/* Create a sclp output buffer if none exists yet */
 		if (sclp_vt220_current_request == NULL) {
 			while (list_empty(&sclp_vt220_empty)) {
-				spin_unlock_irqrestore(&sclp_vt220_lock,
-						       flags);
-				if (in_atomic())
+				spin_unlock_irqrestore(&sclp_vt220_lock, flags);
+				if (in_interrupt() || !may_schedule)
 					sclp_sync_wait();
 				else
 					wait_event(sclp_vt220_waitq,
@@ -450,7 +449,7 @@ __sclp_vt220_write(const unsigned char *buf, int count, int do_schedule,
 static int
 sclp_vt220_write(struct tty_struct *tty, const unsigned char *buf, int count)
 {
-	return __sclp_vt220_write(buf, count, 1, 0);
+	return __sclp_vt220_write(buf, count, 1, 0, 1);
 }
 
 #define SCLP_VT220_SESSION_ENDED	0x01
@@ -529,7 +528,7 @@ sclp_vt220_close(struct tty_struct *tty, struct file *filp)
 static void
 sclp_vt220_put_char(struct tty_struct *tty, unsigned char ch)
 {
-	__sclp_vt220_write(&ch, 1, 0, 0);
+	__sclp_vt220_write(&ch, 1, 0, 0, 1);
 }
 
 /*
@@ -746,7 +745,7 @@ __initcall(sclp_vt220_tty_init);
 static void
 sclp_vt220_con_write(struct console *con, const char *buf, unsigned int count)
 {
-	__sclp_vt220_write((const unsigned char *) buf, count, 1, 1);
+	__sclp_vt220_write((const unsigned char *) buf, count, 1, 1, 0);
 }
 
 static struct tty_driver *
diff --git a/drivers/s390/char/tape_34xx.c b/drivers/s390/char/tape_34xx.c
index 5b47e9cce75..874adf365e4 100644
--- a/drivers/s390/char/tape_34xx.c
+++ b/drivers/s390/char/tape_34xx.c
@@ -394,7 +394,7 @@ tape_34xx_unit_check(struct tape_device *device, struct tape_request *request,
 			return tape_34xx_erp_failed(request, -ENOSPC);
 		default:
 			PRINT_ERR("Invalid op in %s:%i\n",
-				  __FUNCTION__, __LINE__);
+				  __func__, __LINE__);
 			return tape_34xx_erp_failed(request, 0);
 		}
 	}
diff --git a/drivers/s390/char/tape_char.c b/drivers/s390/char/tape_char.c
index b830a8cbef7..ebe84067bae 100644
--- a/drivers/s390/char/tape_char.c
+++ b/drivers/s390/char/tape_char.c
@@ -83,9 +83,9 @@ tapechar_setup_device(struct tape_device * device)
 void
 tapechar_cleanup_device(struct tape_device *device)
 {
-	unregister_tape_dev(device->rt);
+	unregister_tape_dev(&device->cdev->dev, device->rt);
 	device->rt = NULL;
-	unregister_tape_dev(device->nt);
+	unregister_tape_dev(&device->cdev->dev, device->nt);
 	device->nt = NULL;
 }
 
diff --git a/drivers/s390/char/tape_class.c b/drivers/s390/char/tape_class.c
index aa7f166f403..6dfdb7c1798 100644
--- a/drivers/s390/char/tape_class.c
+++ b/drivers/s390/char/tape_class.c
@@ -99,11 +99,10 @@ fail_with_tcd:
 }
 EXPORT_SYMBOL(register_tape_dev);
 
-void unregister_tape_dev(struct tape_class_device *tcd)
+void unregister_tape_dev(struct device *device, struct tape_class_device *tcd)
 {
 	if (tcd != NULL && !IS_ERR(tcd)) {
-		sysfs_remove_link(&tcd->class_device->kobj,
-				  tcd->mode_name);
+		sysfs_remove_link(&device->kobj, tcd->mode_name);
 		device_destroy(tape_class, tcd->char_device->dev);
 		cdev_del(tcd->char_device);
 		kfree(tcd);
diff --git a/drivers/s390/char/tape_class.h b/drivers/s390/char/tape_class.h
index e2b5ac918ac..707b7f48c23 100644
--- a/drivers/s390/char/tape_class.h
+++ b/drivers/s390/char/tape_class.h
@@ -56,6 +56,6 @@ struct tape_class_device *register_tape_dev(
 	char *			device_name,
 	char *			node_name
 );
-void unregister_tape_dev(struct tape_class_device *tcd);
+void unregister_tape_dev(struct device *device, struct tape_class_device *tcd);
 
 #endif /* __TAPE_CLASS_H__ */
diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c
index 7689b500a10..83ae9a852f0 100644
--- a/drivers/s390/char/vmur.c
+++ b/drivers/s390/char/vmur.c
@@ -100,7 +100,8 @@ static struct urdev *urdev_alloc(struct ccw_device *cdev)
 	urd->reclen = cdev->id.driver_info;
 	ccw_device_get_id(cdev, &urd->dev_id);
 	mutex_init(&urd->io_mutex);
-	mutex_init(&urd->open_mutex);
+	init_waitqueue_head(&urd->wait);
+	spin_lock_init(&urd->open_lock);
 	atomic_set(&urd->ref_count,  1);
 	urd->cdev = cdev;
 	get_device(&cdev->dev);
@@ -678,17 +679,21 @@ static int ur_open(struct inode *inode, struct file *file)
 	if (!urd)
 		return -ENXIO;
 
-	if (file->f_flags & O_NONBLOCK) {
-		if (!mutex_trylock(&urd->open_mutex)) {
+	spin_lock(&urd->open_lock);
+	while (urd->open_flag) {
+		spin_unlock(&urd->open_lock);
+		if (file->f_flags & O_NONBLOCK) {
 			rc = -EBUSY;
 			goto fail_put;
 		}
-	} else {
-		if (mutex_lock_interruptible(&urd->open_mutex)) {
+		if (wait_event_interruptible(urd->wait, urd->open_flag == 0)) {
 			rc = -ERESTARTSYS;
 			goto fail_put;
 		}
+		spin_lock(&urd->open_lock);
 	}
+	urd->open_flag++;
+	spin_unlock(&urd->open_lock);
 
 	TRACE("ur_open\n");
 
@@ -720,7 +725,9 @@ static int ur_open(struct inode *inode, struct file *file)
 fail_urfile_free:
 	urfile_free(urf);
 fail_unlock:
-	mutex_unlock(&urd->open_mutex);
+	spin_lock(&urd->open_lock);
+	urd->open_flag--;
+	spin_unlock(&urd->open_lock);
 fail_put:
 	urdev_put(urd);
 	return rc;
@@ -731,7 +738,10 @@ static int ur_release(struct inode *inode, struct file *file)
 	struct urfile *urf = file->private_data;
 
 	TRACE("ur_release\n");
-	mutex_unlock(&urf->urd->open_mutex);
+	spin_lock(&urf->urd->open_lock);
+	urf->urd->open_flag--;
+	spin_unlock(&urf->urd->open_lock);
+	wake_up_interruptible(&urf->urd->wait);
 	urdev_put(urf->urd);
 	urfile_free(urf);
 	return 0;
diff --git a/drivers/s390/char/vmur.h b/drivers/s390/char/vmur.h
index fa959644735..fa320ad4593 100644
--- a/drivers/s390/char/vmur.h
+++ b/drivers/s390/char/vmur.h
@@ -62,7 +62,6 @@ struct file_control_block {
 struct urdev {
 	struct ccw_device *cdev;	/* Backpointer to ccw device */
 	struct mutex io_mutex;		/* Serialises device IO */
-	struct mutex open_mutex;	/* Serialises access to device */
 	struct completion *io_done;	/* do_ur_io waits; irq completes */
 	struct device *device;
 	struct cdev *char_device;
@@ -71,6 +70,9 @@ struct urdev {
 	int class;			/* VM device class */
 	int io_request_rc;		/* return code from I/O request */
 	atomic_t ref_count;		/* reference counter */
+	wait_queue_head_t wait;		/* wait queue to serialize open */
+	int open_flag;			/* "urdev is open" flag */
+	spinlock_t open_lock;		/* serialize critical sections */
 };
 
 /*
diff --git a/drivers/s390/char/vmwatchdog.c b/drivers/s390/char/vmwatchdog.c
index 6f40facb1c4..19f8389291b 100644
--- a/drivers/s390/char/vmwatchdog.c
+++ b/drivers/s390/char/vmwatchdog.c
@@ -96,7 +96,7 @@ static int vmwdt_keepalive(void)
 
 	if (ret) {
 		printk(KERN_WARNING "%s: problem setting interval %d, "
-			"cmd %s\n", __FUNCTION__, vmwdt_interval,
+			"cmd %s\n", __func__, vmwdt_interval,
 			vmwdt_cmd);
 	}
 	return ret;
@@ -107,7 +107,7 @@ static int vmwdt_disable(void)
 	int ret = __diag288(wdt_cancel, 0, "", 0);
 	if (ret) {
 		printk(KERN_WARNING "%s: problem disabling watchdog\n",
-			__FUNCTION__);
+			__func__);
 	}
 	return ret;
 }
diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c
index f523501e6e6..bbbd14e9d48 100644
--- a/drivers/s390/char/zcore.c
+++ b/drivers/s390/char/zcore.c
@@ -224,7 +224,7 @@ static int __init init_cpu_info(enum arch_id arch)
 
 	sa = kmalloc(sizeof(*sa), GFP_KERNEL);
 	if (!sa) {
-		ERROR_MSG("kmalloc failed: %s: %i\n",__FUNCTION__, __LINE__);
+		ERROR_MSG("kmalloc failed: %s: %i\n",__func__, __LINE__);
 		return -ENOMEM;
 	}
 	if (memcpy_hsa_kernel(sa, sys_info.sa_base, sys_info.sa_size) < 0) {
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index 007aaeb4f53..5de86908b0d 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -217,6 +217,8 @@ void chsc_chp_offline(struct chp_id chpid)
 
 	if (chp_get_status(chpid) <= 0)
 		return;
+	/* Wait until previous actions have settled. */
+	css_wait_for_slow_path();
 	for_each_subchannel_staged(s390_subchannel_remove_chpid, NULL, &chpid);
 }
 
@@ -303,7 +305,8 @@ static void s390_process_res_acc (struct res_acc_data *res_data)
 		sprintf(dbf_txt, "fla%x", res_data->fla);
 		CIO_TRACE_EVENT( 2, dbf_txt);
 	}
-
+	/* Wait until previous actions have settled. */
+	css_wait_for_slow_path();
 	/*
 	 * I/O resources may have become accessible.
 	 * Scan through all subchannels that may be concerned and
@@ -561,9 +564,12 @@ void chsc_chp_online(struct chp_id chpid)
 	sprintf(dbf_txt, "cadd%x.%02x", chpid.cssid, chpid.id);
 	CIO_TRACE_EVENT(2, dbf_txt);
 
-	if (chp_get_status(chpid) != 0)
+	if (chp_get_status(chpid) != 0) {
+		/* Wait until previous actions have settled. */
+		css_wait_for_slow_path();
 		for_each_subchannel_staged(__chp_add, __chp_add_new_sch,
 					   &chpid);
+	}
 }
 
 static void __s390_subchannel_vary_chpid(struct subchannel *sch,
@@ -650,6 +656,8 @@ __s390_vary_chpid_on(struct subchannel_id schid, void *data)
  */
 int chsc_chp_vary(struct chp_id chpid, int on)
 {
+	/* Wait until previous actions have settled. */
+	css_wait_for_slow_path();
 	/*
 	 * Redo PathVerification on the devices the chpid connects to
 	 */
@@ -758,7 +766,6 @@ chsc_secm(struct channel_subsystem *css, int enable)
 	if (!secm_area)
 		return -ENOMEM;
 
-	mutex_lock(&css->mutex);
 	if (enable && !css->cm_enabled) {
 		css->cub_addr1 = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);
 		css->cub_addr2 = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);
@@ -766,7 +773,6 @@ chsc_secm(struct channel_subsystem *css, int enable)
 			free_page((unsigned long)css->cub_addr1);
 			free_page((unsigned long)css->cub_addr2);
 			free_page((unsigned long)secm_area);
-			mutex_unlock(&css->mutex);
 			return -ENOMEM;
 		}
 	}
@@ -787,7 +793,6 @@ chsc_secm(struct channel_subsystem *css, int enable)
 		free_page((unsigned long)css->cub_addr1);
 		free_page((unsigned long)css->cub_addr2);
 	}
-	mutex_unlock(&css->mutex);
 	free_page((unsigned long)secm_area);
 	return ret;
 }
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 60590a12d52..23ffcc4768a 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -24,6 +24,7 @@
 #include <asm/ipl.h>
 #include <asm/chpid.h>
 #include <asm/airq.h>
+#include <asm/cpu.h>
 #include "cio.h"
 #include "css.h"
 #include "chsc.h"
@@ -649,13 +650,10 @@ do_IRQ (struct pt_regs *regs)
 
 	old_regs = set_irq_regs(regs);
 	irq_enter();
-	asm volatile ("mc 0,0");
-	if (S390_lowcore.int_clock >= S390_lowcore.jiffy_timer)
-		/**
-		 * Make sure that the i/o interrupt did not "overtake"
-		 * the last HZ timer interrupt.
-		 */
-		account_ticks(S390_lowcore.int_clock);
+	s390_idle_check();
+	if (S390_lowcore.int_clock >= S390_lowcore.clock_comparator)
+		/* Serve timer interrupts first. */
+		clock_comparator_work();
 	/*
 	 * Get interrupt information from lowcore
 	 */
@@ -672,10 +670,14 @@ do_IRQ (struct pt_regs *regs)
 			continue;
 		}
 		sch = (struct subchannel *)(unsigned long)tpi_info->intparm;
-		if (sch)
-			spin_lock(sch->lock);
+		if (!sch) {
+			/* Clear pending interrupt condition. */
+			tsch(tpi_info->schid, irb);
+			continue;
+		}
+		spin_lock(sch->lock);
 		/* Store interrupt response block to lowcore. */
-		if (tsch (tpi_info->schid, irb) == 0 && sch) {
+		if (tsch(tpi_info->schid, irb) == 0) {
 			/* Keep subchannel information word up to date. */
 			memcpy (&sch->schib.scsw, &irb->scsw,
 				sizeof (irb->scsw));
@@ -683,8 +685,7 @@ do_IRQ (struct pt_regs *regs)
 			if (sch->driver && sch->driver->irq)
 				sch->driver->irq(sch);
 		}
-		if (sch)
-			spin_unlock(sch->lock);
+		spin_unlock(sch->lock);
 		/*
 		 * Are more interrupts pending?
 		 * If so, the tpi instruction will update the lowcore
@@ -710,8 +711,9 @@ void *cio_get_console_priv(void)
 /*
  * busy wait for the next interrupt on the console
  */
-void
-wait_cons_dev (void)
+void wait_cons_dev(void)
+	__releases(console_subchannel.lock)
+	__acquires(console_subchannel.lock)
 {
 	unsigned long cr6      __attribute__ ((aligned (8)));
 	unsigned long save_cr6 __attribute__ ((aligned (8)));
diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h
index 52afa4c784d..08f2235c5a6 100644
--- a/drivers/s390/cio/cio.h
+++ b/drivers/s390/cio/cio.h
@@ -100,6 +100,7 @@ extern int cio_modify (struct subchannel *);
 
 int cio_create_sch_lock(struct subchannel *);
 void do_adapter_IO(void);
+void do_IRQ(struct pt_regs *);
 
 /* Use with care. */
 #ifdef CONFIG_CCW_CONSOLE
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 3b45bbe6cce..c1afab5f72d 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -533,6 +533,12 @@ void css_schedule_eval_all(void)
 	spin_unlock_irqrestore(&slow_subchannel_lock, flags);
 }
 
+void css_wait_for_slow_path(void)
+{
+	flush_workqueue(ccw_device_notify_work);
+	flush_workqueue(slow_path_wq);
+}
+
 /* Reprobe subchannel if unregistered. */
 static int reprobe_subchannel(struct subchannel_id schid, void *data)
 {
@@ -683,10 +689,14 @@ css_cm_enable_show(struct device *dev, struct device_attribute *attr,
 		   char *buf)
 {
 	struct channel_subsystem *css = to_css(dev);
+	int ret;
 
 	if (!css)
 		return 0;
-	return sprintf(buf, "%x\n", css->cm_enabled);
+	mutex_lock(&css->mutex);
+	ret = sprintf(buf, "%x\n", css->cm_enabled);
+	mutex_unlock(&css->mutex);
+	return ret;
 }
 
 static ssize_t
@@ -696,6 +706,7 @@ css_cm_enable_store(struct device *dev, struct device_attribute *attr,
 	struct channel_subsystem *css = to_css(dev);
 	int ret;
 
+	mutex_lock(&css->mutex);
 	switch (buf[0]) {
 	case '0':
 		ret = css->cm_enabled ? chsc_secm(css, 0) : 0;
@@ -706,6 +717,7 @@ css_cm_enable_store(struct device *dev, struct device_attribute *attr,
 	default:
 		ret = -EINVAL;
 	}
+	mutex_unlock(&css->mutex);
 	return ret < 0 ? ret : count;
 }
 
@@ -752,9 +764,11 @@ static int css_reboot_event(struct notifier_block *this,
 		struct channel_subsystem *css;
 
 		css = channel_subsystems[i];
+		mutex_lock(&css->mutex);
 		if (css->cm_enabled)
 			if (chsc_secm(css, 0))
 				ret = NOTIFY_BAD;
+		mutex_unlock(&css->mutex);
 	}
 
 	return ret;
diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h
index b7055452355..e1913518f35 100644
--- a/drivers/s390/cio/css.h
+++ b/drivers/s390/cio/css.h
@@ -144,6 +144,7 @@ struct schib;
 int css_sch_is_valid(struct schib *);
 
 extern struct workqueue_struct *slow_path_wq;
+void css_wait_for_slow_path(void);
 
 extern struct attribute_group *subch_attr_groups[];
 #endif
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index fec004f62bc..e0c7adb8958 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -577,7 +577,6 @@ static DEVICE_ATTR(devtype, 0444, devtype_show, NULL);
 static DEVICE_ATTR(cutype, 0444, cutype_show, NULL);
 static DEVICE_ATTR(modalias, 0444, modalias_show, NULL);
 static DEVICE_ATTR(online, 0644, online_show, online_store);
-extern struct device_attribute dev_attr_cmb_enable;
 static DEVICE_ATTR(availability, 0444, available_show, NULL);
 
 static struct attribute * subch_attrs[] = {
diff --git a/drivers/s390/cio/device.h b/drivers/s390/cio/device.h
index d40a2ffaa00..cb08092be39 100644
--- a/drivers/s390/cio/device.h
+++ b/drivers/s390/cio/device.h
@@ -127,4 +127,5 @@ extern struct bus_type ccw_bus_type;
 void retry_set_schib(struct ccw_device *cdev);
 void cmf_retry_copy_block(struct ccw_device *);
 int cmf_reenable(struct ccw_device *);
+extern struct device_attribute dev_attr_cmb_enable;
 #endif
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index 49b58eb0fab..a1718a0aa53 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -193,8 +193,15 @@ int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa,
 			return -EACCES;
 	}
 	ret = cio_start_key (sch, cpa, lpm, key);
-	if (ret == 0)
+	switch (ret) {
+	case 0:
 		cdev->private->intparm = intparm;
+		break;
+	case -EACCES:
+	case -ENODEV:
+		dev_fsm_event(cdev, DEV_EVENT_VERIFY);
+		break;
+	}
 	return ret;
 }
 
diff --git a/drivers/s390/cio/device_status.c b/drivers/s390/cio/device_status.c
index ebe0848cfe3..4a38993000f 100644
--- a/drivers/s390/cio/device_status.c
+++ b/drivers/s390/cio/device_status.c
@@ -62,7 +62,7 @@ ccw_device_path_notoper(struct ccw_device *cdev)
 	stsch (sch->schid, &sch->schib);
 
 	CIO_MSG_EVENT(0, "%s(0.%x.%04x) - path(s) %02x are "
-		      "not operational \n", __FUNCTION__,
+		      "not operational \n", __func__,
 		      sch->schid.ssid, sch->schid.sch_no,
 		      sch->schib.pmcw.pnom);
 
@@ -312,6 +312,7 @@ ccw_device_do_sense(struct ccw_device *cdev, struct irb *irb)
 {
 	struct subchannel *sch;
 	struct ccw1 *sense_ccw;
+	int rc;
 
 	sch = to_subchannel(cdev->dev.parent);
 
@@ -337,7 +338,10 @@ ccw_device_do_sense(struct ccw_device *cdev, struct irb *irb)
 	/* Reset internal retry indication. */
 	cdev->private->flags.intretry = 0;
 
-	return cio_start(sch, sense_ccw, 0xff);
+	rc = cio_start(sch, sense_ccw, 0xff);
+	if (rc == -ENODEV || rc == -EACCES)
+		dev_fsm_event(cdev, DEV_EVENT_VERIFY);
+	return rc;
 }
 
 /*
diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c
index 2b5bfb7c69e..c359386708e 100644
--- a/drivers/s390/cio/qdio.c
+++ b/drivers/s390/cio/qdio.c
@@ -1399,7 +1399,7 @@ __tiqdio_inbound_processing(struct qdio_q *q, int spare_ind_was_set)
 	 * q->dev_st_chg_ind is the indicator, be it shared or not.
 	 * only clear it, if indicator is non-shared
 	 */
-	if (!spare_ind_was_set)
+	if (q->dev_st_chg_ind != &spare_indicator)
 		tiqdio_clear_summary_bit((__u32*)q->dev_st_chg_ind);
 
 	if (q->hydra_gives_outbound_pcis) {
@@ -2217,9 +2217,78 @@ qdio_synchronize(struct ccw_device *cdev, unsigned int flags,
 	return cc;
 }
 
+static int
+qdio_get_ssqd_information(struct subchannel_id *schid,
+			  struct qdio_chsc_ssqd **ssqd_area)
+{
+	int result;
+
+	QDIO_DBF_TEXT0(0, setup, "getssqd");
+	*ssqd_area = mempool_alloc(qdio_mempool_scssc, GFP_ATOMIC);
+	if (!ssqd_area) {
+		QDIO_PRINT_WARN("Could not get memory for chsc on sch x%x.\n",
+				schid->sch_no);
+		return -ENOMEM;
+	}
+
+	(*ssqd_area)->request = (struct chsc_header) {
+		.length = 0x0010,
+		.code	= 0x0024,
+	};
+	(*ssqd_area)->first_sch = schid->sch_no;
+	(*ssqd_area)->last_sch = schid->sch_no;
+	(*ssqd_area)->ssid = schid->ssid;
+	result = chsc(*ssqd_area);
+
+	if (result) {
+		QDIO_PRINT_WARN("CHSC returned cc %i on sch 0.%x.%x.\n",
+				result, schid->ssid, schid->sch_no);
+		goto out;
+	}
+
+	if ((*ssqd_area)->response.code != QDIO_CHSC_RESPONSE_CODE_OK) {
+		QDIO_PRINT_WARN("CHSC response is 0x%x on sch 0.%x.%x.\n",
+				(*ssqd_area)->response.code,
+				schid->ssid, schid->sch_no);
+		goto out;
+	}
+	if (!((*ssqd_area)->flags & CHSC_FLAG_QDIO_CAPABILITY) ||
+	    !((*ssqd_area)->flags & CHSC_FLAG_VALIDITY) ||
+	    ((*ssqd_area)->sch != schid->sch_no)) {
+		QDIO_PRINT_WARN("huh? problems checking out sch 0.%x.%x... " \
+				"using all SIGAs.\n",
+				schid->ssid, schid->sch_no);
+		goto out;
+	}
+	return 0;
+out:
+	return -EINVAL;
+}
+
+int
+qdio_get_ssqd_pct(struct ccw_device *cdev)
+{
+	struct qdio_chsc_ssqd *ssqd_area;
+	struct subchannel_id schid;
+	char dbf_text[15];
+	int rc;
+	int pct = 0;
+
+	QDIO_DBF_TEXT0(0, setup, "getpct");
+	schid = ccw_device_get_subchannel_id(cdev);
+	rc = qdio_get_ssqd_information(&schid, &ssqd_area);
+	if (!rc)
+		pct = (int)ssqd_area->pct;
+	if (rc != -ENOMEM)
+		mempool_free(ssqd_area, qdio_mempool_scssc);
+	sprintf(dbf_text, "pct: %d", pct);
+	QDIO_DBF_TEXT2(0, setup, dbf_text);
+	return pct;
+}
+EXPORT_SYMBOL(qdio_get_ssqd_pct);
+
 static void
-qdio_check_subchannel_qebsm(struct qdio_irq *irq_ptr, unsigned char qdioac,
-			    unsigned long token)
+qdio_check_subchannel_qebsm(struct qdio_irq *irq_ptr, unsigned long token)
 {
 	struct qdio_q *q;
 	int i;
@@ -2227,7 +2296,7 @@ qdio_check_subchannel_qebsm(struct qdio_irq *irq_ptr, unsigned char qdioac,
 	char dbf_text[15];
 
 	/*check if QEBSM is disabled */
-	if (!(irq_ptr->is_qebsm) || !(qdioac & 0x01)) {
+	if (!(irq_ptr->is_qebsm) || !(irq_ptr->qdioac & 0x01)) {
 		irq_ptr->is_qebsm  = 0;
 		irq_ptr->sch_token = 0;
 		irq_ptr->qib.rflags &= ~QIB_RFLAGS_ENABLE_QEBSM;
@@ -2256,102 +2325,27 @@ qdio_check_subchannel_qebsm(struct qdio_irq *irq_ptr, unsigned char qdioac,
 }
 
 static void
-qdio_get_ssqd_information(struct qdio_irq *irq_ptr)
+qdio_get_ssqd_siga(struct qdio_irq *irq_ptr)
 {
-	int result;
-	unsigned char qdioac;
-	struct {
-		struct chsc_header request;
-		u16 reserved1:10;
-		u16 ssid:2;
-		u16 fmt:4;
-		u16 first_sch;
-		u16 reserved2;
-		u16 last_sch;
-		u32 reserved3;
-		struct chsc_header response;
-		u32 reserved4;
-		u8  flags;
-		u8  reserved5;
-		u16 sch;
-		u8  qfmt;
-		u8  parm;
-		u8  qdioac1;
-		u8  sch_class;
-		u8  reserved7;
-		u8  icnt;
-		u8  reserved8;
-		u8  ocnt;
-		u8 reserved9;
-		u8 mbccnt;
-		u16 qdioac2;
-		u64 sch_token;
-	} *ssqd_area;
+	int rc;
+	struct qdio_chsc_ssqd *ssqd_area;
 
 	QDIO_DBF_TEXT0(0,setup,"getssqd");
-	qdioac = 0;
-	ssqd_area = mempool_alloc(qdio_mempool_scssc, GFP_ATOMIC);
-	if (!ssqd_area) {
-	        QDIO_PRINT_WARN("Could not get memory for chsc. Using all " \
-				"SIGAs for sch x%x.\n", irq_ptr->schid.sch_no);
+	irq_ptr->qdioac = 0;
+	rc = qdio_get_ssqd_information(&irq_ptr->schid, &ssqd_area);
+	if (rc) {
+		QDIO_PRINT_WARN("using all SIGAs for sch x%x.n",
+			irq_ptr->schid.sch_no);
 		irq_ptr->qdioac = CHSC_FLAG_SIGA_INPUT_NECESSARY |
 				  CHSC_FLAG_SIGA_OUTPUT_NECESSARY |
 				  CHSC_FLAG_SIGA_SYNC_NECESSARY; /* all flags set */
 		irq_ptr->is_qebsm = 0;
-		irq_ptr->sch_token = 0;
-		irq_ptr->qib.rflags &= ~QIB_RFLAGS_ENABLE_QEBSM;
-		return;
-	}
-
-	ssqd_area->request = (struct chsc_header) {
-		.length = 0x0010,
-		.code   = 0x0024,
-	};
-	ssqd_area->first_sch = irq_ptr->schid.sch_no;
-	ssqd_area->last_sch = irq_ptr->schid.sch_no;
-	ssqd_area->ssid = irq_ptr->schid.ssid;
-	result = chsc(ssqd_area);
-
-	if (result) {
-		QDIO_PRINT_WARN("CHSC returned cc %i. Using all " \
-				"SIGAs for sch 0.%x.%x.\n", result,
-				irq_ptr->schid.ssid, irq_ptr->schid.sch_no);
-		qdioac = CHSC_FLAG_SIGA_INPUT_NECESSARY |
-			CHSC_FLAG_SIGA_OUTPUT_NECESSARY |
-			CHSC_FLAG_SIGA_SYNC_NECESSARY; /* all flags set */
-		irq_ptr->is_qebsm  = 0;
-		goto out;
-	}
+	} else
+		irq_ptr->qdioac = ssqd_area->qdioac1;
 
-	if (ssqd_area->response.code != QDIO_CHSC_RESPONSE_CODE_OK) {
-		QDIO_PRINT_WARN("response upon checking SIGA needs " \
-				"is 0x%x. Using all SIGAs for sch 0.%x.%x.\n",
-				ssqd_area->response.code,
-				irq_ptr->schid.ssid, irq_ptr->schid.sch_no);
-		qdioac = CHSC_FLAG_SIGA_INPUT_NECESSARY |
-			CHSC_FLAG_SIGA_OUTPUT_NECESSARY |
-			CHSC_FLAG_SIGA_SYNC_NECESSARY; /* all flags set */
-		irq_ptr->is_qebsm  = 0;
-		goto out;
-	}
-	if (!(ssqd_area->flags & CHSC_FLAG_QDIO_CAPABILITY) ||
-	    !(ssqd_area->flags & CHSC_FLAG_VALIDITY) ||
-	    (ssqd_area->sch != irq_ptr->schid.sch_no)) {
-		QDIO_PRINT_WARN("huh? problems checking out sch 0.%x.%x... " \
-				"using all SIGAs.\n",
-				irq_ptr->schid.ssid, irq_ptr->schid.sch_no);
-		qdioac = CHSC_FLAG_SIGA_INPUT_NECESSARY |
-			CHSC_FLAG_SIGA_OUTPUT_NECESSARY |
-			CHSC_FLAG_SIGA_SYNC_NECESSARY; /* worst case */
-		irq_ptr->is_qebsm  = 0;
-		goto out;
-	}
-	qdioac = ssqd_area->qdioac1;
-out:
-	qdio_check_subchannel_qebsm(irq_ptr, qdioac,
-				    ssqd_area->sch_token);
-	mempool_free(ssqd_area, qdio_mempool_scssc);
-	irq_ptr->qdioac = qdioac;
+	qdio_check_subchannel_qebsm(irq_ptr, ssqd_area->sch_token);
+	if (rc != -ENOMEM)
+		mempool_free(ssqd_area, qdio_mempool_scssc);
 }
 
 static unsigned int
@@ -3227,7 +3221,7 @@ qdio_establish(struct qdio_initialize *init_data)
 		return -EIO;
 	}
 
-	qdio_get_ssqd_information(irq_ptr);
+	qdio_get_ssqd_siga(irq_ptr);
 	/* if this gets set once, we're running under VM and can omit SVSes */
 	if (irq_ptr->qdioac&CHSC_FLAG_SIGA_SYNC_NECESSARY)
 		omit_svs=1;
diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h
index da8a272fd75..c3df6b2c38b 100644
--- a/drivers/s390/cio/qdio.h
+++ b/drivers/s390/cio/qdio.h
@@ -406,6 +406,34 @@ do_clear_global_summary(void)
 #define CHSC_FLAG_SIGA_SYNC_DONE_ON_THININTS 0x08
 #define CHSC_FLAG_SIGA_SYNC_DONE_ON_OUTB_PCIS 0x04
 
+struct qdio_chsc_ssqd {
+	struct chsc_header request;
+	u16 reserved1:10;
+	u16 ssid:2;
+	u16 fmt:4;
+	u16 first_sch;
+	u16 reserved2;
+	u16 last_sch;
+	u32 reserved3;
+	struct chsc_header response;
+	u32 reserved4;
+	u8  flags;
+	u8  reserved5;
+	u16 sch;
+	u8  qfmt;
+	u8  parm;
+	u8  qdioac1;
+	u8  sch_class;
+	u8  pct;
+	u8  icnt;
+	u8  reserved7;
+	u8  ocnt;
+	u8  reserved8;
+	u8  mbccnt;
+	u16 qdioac2;
+	u64 sch_token;
+};
+
 struct qdio_perf_stats {
 #ifdef CONFIG_64BIT
 	atomic64_t tl_runs;
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 7b0b8190129..a1ab3e3efd1 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -45,7 +45,7 @@ static int ap_poll_thread_start(void);
 static void ap_poll_thread_stop(void);
 static void ap_request_timeout(unsigned long);
 
-/**
+/*
  * Module description.
  */
 MODULE_AUTHOR("IBM Corporation");
@@ -53,7 +53,7 @@ MODULE_DESCRIPTION("Adjunct Processor Bus driver, "
 		   "Copyright 2006 IBM Corporation");
 MODULE_LICENSE("GPL");
 
-/**
+/*
  * Module parameter
  */
 int ap_domain_index = -1;	/* Adjunct Processor Domain Index */
@@ -69,7 +69,7 @@ static struct device *ap_root_device = NULL;
 static DEFINE_SPINLOCK(ap_device_lock);
 static LIST_HEAD(ap_device_list);
 
-/**
+/*
  * Workqueue & timer for bus rescan.
  */
 static struct workqueue_struct *ap_work_queue;
@@ -77,7 +77,7 @@ static struct timer_list ap_config_timer;
 static int ap_config_time = AP_CONFIG_TIME;
 static DECLARE_WORK(ap_config_work, ap_scan_bus);
 
-/**
+/*
  * Tasklet & timer for AP request polling.
  */
 static struct timer_list ap_poll_timer = TIMER_INITIALIZER(ap_poll_timeout,0,0);
@@ -88,9 +88,9 @@ static struct task_struct *ap_poll_kthread = NULL;
 static DEFINE_MUTEX(ap_poll_thread_mutex);
 
 /**
- * Test if ap instructions are available.
+ * ap_intructions_available() - Test if AP instructions are available.
  *
- * Returns 0 if the ap instructions are installed.
+ * Returns 0 if the AP instructions are installed.
  */
 static inline int ap_instructions_available(void)
 {
@@ -108,12 +108,12 @@ static inline int ap_instructions_available(void)
 }
 
 /**
- * Test adjunct processor queue.
- * @qid: the ap queue number
- * @queue_depth: pointer to queue depth value
- * @device_type: pointer to device type value
+ * ap_test_queue(): Test adjunct processor queue.
+ * @qid: The AP queue number
+ * @queue_depth: Pointer to queue depth value
+ * @device_type: Pointer to device type value
  *
- * Returns ap queue status structure.
+ * Returns AP queue status structure.
  */
 static inline struct ap_queue_status
 ap_test_queue(ap_qid_t qid, int *queue_depth, int *device_type)
@@ -130,10 +130,10 @@ ap_test_queue(ap_qid_t qid, int *queue_depth, int *device_type)
 }
 
 /**
- * Reset adjunct processor queue.
- * @qid: the ap queue number
+ * ap_reset_queue(): Reset adjunct processor queue.
+ * @qid: The AP queue number
  *
- * Returns ap queue status structure.
+ * Returns AP queue status structure.
  */
 static inline struct ap_queue_status ap_reset_queue(ap_qid_t qid)
 {
@@ -148,16 +148,14 @@ static inline struct ap_queue_status ap_reset_queue(ap_qid_t qid)
 }
 
 /**
- * Send message to adjunct processor queue.
- * @qid: the ap queue number
- * @psmid: the program supplied message identifier
- * @msg: the message text
- * @length: the message length
- *
- * Returns ap queue status structure.
+ * __ap_send(): Send message to adjunct processor queue.
+ * @qid: The AP queue number
+ * @psmid: The program supplied message identifier
+ * @msg: The message text
+ * @length: The message length
  *
+ * Returns AP queue status structure.
  * Condition code 1 on NQAP can't happen because the L bit is 1.
- *
  * Condition code 2 on NQAP also means the send is incomplete,
  * because a segment boundary was reached. The NQAP is repeated.
  */
@@ -198,23 +196,20 @@ int ap_send(ap_qid_t qid, unsigned long long psmid, void *msg, size_t length)
 }
 EXPORT_SYMBOL(ap_send);
 
-/*
- * Receive message from adjunct processor queue.
- * @qid: the ap queue number
- * @psmid: pointer to program supplied message identifier
- * @msg: the message text
- * @length: the message length
- *
- * Returns ap queue status structure.
+/**
+ * __ap_recv(): Receive message from adjunct processor queue.
+ * @qid: The AP queue number
+ * @psmid: Pointer to program supplied message identifier
+ * @msg: The message text
+ * @length: The message length
  *
+ * Returns AP queue status structure.
  * Condition code 1 on DQAP means the receive has taken place
  * but only partially.	The response is incomplete, hence the
  * DQAP is repeated.
- *
  * Condition code 2 on DQAP also means the receive is incomplete,
  * this time because a segment boundary was reached. Again, the
  * DQAP is repeated.
- *
  * Note that gpr2 is used by the DQAP instruction to keep track of
  * any 'residual' length, in case the instruction gets interrupted.
  * Hence it gets zeroed before the instruction.
@@ -263,11 +258,12 @@ int ap_recv(ap_qid_t qid, unsigned long long *psmid, void *msg, size_t length)
 EXPORT_SYMBOL(ap_recv);
 
 /**
- * Check if an AP queue is available. The test is repeated for
- * AP_MAX_RESET times.
- * @qid: the ap queue number
- * @queue_depth: pointer to queue depth value
- * @device_type: pointer to device type value
+ * ap_query_queue(): Check if an AP queue is available.
+ * @qid: The AP queue number
+ * @queue_depth: Pointer to queue depth value
+ * @device_type: Pointer to device type value
+ *
+ * The test is repeated for AP_MAX_RESET times.
  */
 static int ap_query_queue(ap_qid_t qid, int *queue_depth, int *device_type)
 {
@@ -308,8 +304,10 @@ static int ap_query_queue(ap_qid_t qid, int *queue_depth, int *device_type)
 }
 
 /**
+ * ap_init_queue(): Reset an AP queue.
+ * @qid: The AP queue number
+ *
  * Reset an AP queue and wait for it to become available again.
- * @qid: the ap queue number
  */
 static int ap_init_queue(ap_qid_t qid)
 {
@@ -346,7 +344,10 @@ static int ap_init_queue(ap_qid_t qid)
 }
 
 /**
- * Arm request timeout if a AP device was idle and a new request is submitted.
+ * ap_increase_queue_count(): Arm request timeout.
+ * @ap_dev: Pointer to an AP device.
+ *
+ * Arm request timeout if an AP device was idle and a new request is submitted.
  */
 static void ap_increase_queue_count(struct ap_device *ap_dev)
 {
@@ -360,7 +361,10 @@ static void ap_increase_queue_count(struct ap_device *ap_dev)
 }
 
 /**
- * AP device is still alive, re-schedule request timeout if there are still
+ * ap_decrease_queue_count(): Decrease queue count.
+ * @ap_dev: Pointer to an AP device.
+ *
+ * If AP device is still alive, re-schedule request timeout if there are still
  * pending requests.
  */
 static void ap_decrease_queue_count(struct ap_device *ap_dev)
@@ -371,7 +375,7 @@ static void ap_decrease_queue_count(struct ap_device *ap_dev)
 	if (ap_dev->queue_count > 0)
 		mod_timer(&ap_dev->timeout, jiffies + timeout);
 	else
-		/**
+		/*
 		 * The timeout timer should to be disabled now - since
 		 * del_timer_sync() is very expensive, we just tell via the
 		 * reset flag to ignore the pending timeout timer.
@@ -379,7 +383,7 @@ static void ap_decrease_queue_count(struct ap_device *ap_dev)
 		ap_dev->reset = AP_RESET_IGNORE;
 }
 
-/**
+/*
  * AP device related attributes.
  */
 static ssize_t ap_hwtype_show(struct device *dev,
@@ -433,6 +437,10 @@ static struct attribute_group ap_dev_attr_group = {
 };
 
 /**
+ * ap_bus_match()
+ * @dev: Pointer to device
+ * @drv: Pointer to device_driver
+ *
  * AP bus driver registration/unregistration.
  */
 static int ap_bus_match(struct device *dev, struct device_driver *drv)
@@ -441,7 +449,7 @@ static int ap_bus_match(struct device *dev, struct device_driver *drv)
 	struct ap_driver *ap_drv = to_ap_drv(drv);
 	struct ap_device_id *id;
 
-	/**
+	/*
 	 * Compare device type of the device with the list of
 	 * supported types of the device_driver.
 	 */
@@ -455,8 +463,12 @@ static int ap_bus_match(struct device *dev, struct device_driver *drv)
 }
 
 /**
- * uevent function for AP devices. It sets up a single environment
- * variable DEV_TYPE which contains the hardware device type.
+ * ap_uevent(): Uevent function for AP devices.
+ * @dev: Pointer to device
+ * @env: Pointer to kobj_uevent_env
+ *
+ * It sets up a single environment variable DEV_TYPE which contains the
+ * hardware device type.
  */
 static int ap_uevent (struct device *dev, struct kobj_uevent_env *env)
 {
@@ -500,8 +512,10 @@ static int ap_device_probe(struct device *dev)
 }
 
 /**
+ * __ap_flush_queue(): Flush requests.
+ * @ap_dev: Pointer to the AP device
+ *
  * Flush all requests from the request/pending queue of an AP device.
- * @ap_dev: pointer to the AP device.
  */
 static void __ap_flush_queue(struct ap_device *ap_dev)
 {
@@ -565,7 +579,7 @@ void ap_driver_unregister(struct ap_driver *ap_drv)
 }
 EXPORT_SYMBOL(ap_driver_unregister);
 
-/**
+/*
  * AP bus attributes.
  */
 static ssize_t ap_domain_show(struct bus_type *bus, char *buf)
@@ -630,14 +644,16 @@ static struct bus_attribute *const ap_bus_attrs[] = {
 };
 
 /**
- * Pick one of the 16 ap domains.
+ * ap_select_domain(): Select an AP domain.
+ *
+ * Pick one of the 16 AP domains.
  */
 static int ap_select_domain(void)
 {
 	int queue_depth, device_type, count, max_count, best_domain;
 	int rc, i, j;
 
-	/**
+	/*
 	 * We want to use a single domain. Either the one specified with
 	 * the "domain=" parameter or the domain with the maximum number
 	 * of devices.
@@ -669,8 +685,10 @@ static int ap_select_domain(void)
 }
 
 /**
- * Find the device type if query queue returned a device type of 0.
+ * ap_probe_device_type(): Find the device type of an AP.
  * @ap_dev: pointer to the AP device.
+ *
+ * Find the device type if query queue returned a device type of 0.
  */
 static int ap_probe_device_type(struct ap_device *ap_dev)
 {
@@ -764,7 +782,11 @@ out:
 }
 
 /**
- * Scan the ap bus for new devices.
+ * __ap_scan_bus(): Scan the AP bus.
+ * @dev: Pointer to device
+ * @data: Pointer to data
+ *
+ * Scan the AP bus for new devices.
  */
 static int __ap_scan_bus(struct device *dev, void *data)
 {
@@ -867,6 +889,8 @@ ap_config_timeout(unsigned long ptr)
 }
 
 /**
+ * ap_schedule_poll_timer(): Schedule poll timer.
+ *
  * Set up the timer to run the poll tasklet
  */
 static inline void ap_schedule_poll_timer(void)
@@ -877,10 +901,11 @@ static inline void ap_schedule_poll_timer(void)
 }
 
 /**
- * Receive pending reply messages from an AP device.
+ * ap_poll_read(): Receive pending reply messages from an AP device.
  * @ap_dev: pointer to the AP device
  * @flags: pointer to control flags, bit 2^0 is set if another poll is
  *	   required, bit 2^1 is set if the poll timer needs to get armed
+ *
  * Returns 0 if the device is still present, -ENODEV if not.
  */
 static int ap_poll_read(struct ap_device *ap_dev, unsigned long *flags)
@@ -925,10 +950,11 @@ static int ap_poll_read(struct ap_device *ap_dev, unsigned long *flags)
 }
 
 /**
- * Send messages from the request queue to an AP device.
+ * ap_poll_write(): Send messages from the request queue to an AP device.
  * @ap_dev: pointer to the AP device
  * @flags: pointer to control flags, bit 2^0 is set if another poll is
  *	   required, bit 2^1 is set if the poll timer needs to get armed
+ *
  * Returns 0 if the device is still present, -ENODEV if not.
  */
 static int ap_poll_write(struct ap_device *ap_dev, unsigned long *flags)
@@ -968,11 +994,13 @@ static int ap_poll_write(struct ap_device *ap_dev, unsigned long *flags)
 }
 
 /**
- * Poll AP device for pending replies and send new messages. If either
- * ap_poll_read or ap_poll_write returns -ENODEV unregister the device.
+ * ap_poll_queue(): Poll AP device for pending replies and send new messages.
  * @ap_dev: pointer to the bus device
  * @flags: pointer to control flags, bit 2^0 is set if another poll is
  *	   required, bit 2^1 is set if the poll timer needs to get armed
+ *
+ * Poll AP device for pending replies and send new messages. If either
+ * ap_poll_read or ap_poll_write returns -ENODEV unregister the device.
  * Returns 0.
  */
 static inline int ap_poll_queue(struct ap_device *ap_dev, unsigned long *flags)
@@ -986,9 +1014,11 @@ static inline int ap_poll_queue(struct ap_device *ap_dev, unsigned long *flags)
 }
 
 /**
- * Queue a message to a device.
+ * __ap_queue_message(): Queue a message to a device.
  * @ap_dev: pointer to the AP device
  * @ap_msg: the message to be queued
+ *
+ * Queue a message to a device. Returns 0 if successful.
  */
 static int __ap_queue_message(struct ap_device *ap_dev, struct ap_message *ap_msg)
 {
@@ -1055,12 +1085,14 @@ void ap_queue_message(struct ap_device *ap_dev, struct ap_message *ap_msg)
 EXPORT_SYMBOL(ap_queue_message);
 
 /**
+ * ap_cancel_message(): Cancel a crypto request.
+ * @ap_dev: The AP device that has the message queued
+ * @ap_msg: The message that is to be removed
+ *
  * Cancel a crypto request. This is done by removing the request
- * from the devive pendingq or requestq queue. Note that the
+ * from the device pending or request queue. Note that the
  * request stays on the AP queue. When it finishes the message
  * reply will be discarded because the psmid can't be found.
- * @ap_dev: AP device that has the message queued
- * @ap_msg: the message that is to be removed
  */
 void ap_cancel_message(struct ap_device *ap_dev, struct ap_message *ap_msg)
 {
@@ -1082,7 +1114,10 @@ void ap_cancel_message(struct ap_device *ap_dev, struct ap_message *ap_msg)
 EXPORT_SYMBOL(ap_cancel_message);
 
 /**
- * AP receive polling for finished AP requests
+ * ap_poll_timeout(): AP receive polling for finished AP requests.
+ * @unused: Unused variable.
+ *
+ * Schedules the AP tasklet.
  */
 static void ap_poll_timeout(unsigned long unused)
 {
@@ -1090,6 +1125,9 @@ static void ap_poll_timeout(unsigned long unused)
 }
 
 /**
+ * ap_reset(): Reset a not responding AP device.
+ * @ap_dev: Pointer to the AP device
+ *
  * Reset a not responding AP device and move all requests from the
  * pending queue to the request queue.
  */
@@ -1108,11 +1146,6 @@ static void ap_reset(struct ap_device *ap_dev)
 		ap_dev->unregistered = 1;
 }
 
-/**
- * Poll all AP devices on the bus in a round robin fashion. Continue
- * polling until bit 2^0 of the control flags is not set. If bit 2^1
- * of the control flags has been set arm the poll timer.
- */
 static int __ap_poll_all(struct ap_device *ap_dev, unsigned long *flags)
 {
 	spin_lock(&ap_dev->lock);
@@ -1126,6 +1159,14 @@ static int __ap_poll_all(struct ap_device *ap_dev, unsigned long *flags)
 	return 0;
 }
 
+/**
+ * ap_poll_all(): Poll all AP devices.
+ * @dummy: Unused variable
+ *
+ * Poll all AP devices on the bus in a round robin fashion. Continue
+ * polling until bit 2^0 of the control flags is not set. If bit 2^1
+ * of the control flags has been set arm the poll timer.
+ */
 static void ap_poll_all(unsigned long dummy)
 {
 	unsigned long flags;
@@ -1144,6 +1185,9 @@ static void ap_poll_all(unsigned long dummy)
 }
 
 /**
+ * ap_poll_thread(): Thread that polls for finished requests.
+ * @data: Unused pointer
+ *
  * AP bus poll thread. The purpose of this thread is to poll for
  * finished requests in a loop if there is a "free" cpu - that is
  * a cpu that doesn't have anything better to do. The polling stops
@@ -1213,7 +1257,10 @@ static void ap_poll_thread_stop(void)
 }
 
 /**
- * Handling of request timeouts
+ * ap_request_timeout(): Handling of request timeouts
+ * @data: Holds the AP device.
+ *
+ * Handles request timeouts.
  */
 static void ap_request_timeout(unsigned long data)
 {
@@ -1246,7 +1293,9 @@ static struct reset_call ap_reset_call = {
 };
 
 /**
- * The module initialization code.
+ * ap_module_init(): The module initialization code.
+ *
+ * Initializes the module.
  */
 int __init ap_module_init(void)
 {
@@ -1288,7 +1337,7 @@ int __init ap_module_init(void)
 	if (ap_select_domain() == 0)
 		ap_scan_bus(NULL);
 
-	/* Setup the ap bus rescan timer. */
+	/* Setup the AP bus rescan timer. */
 	init_timer(&ap_config_timer);
 	ap_config_timer.function = ap_config_timeout;
 	ap_config_timer.data = 0;
@@ -1325,7 +1374,9 @@ static int __ap_match_all(struct device *dev, void *data)
 }
 
 /**
- * The module termination code
+ * ap_modules_exit(): The module termination code
+ *
+ * Terminates the module.
  */
 void ap_module_exit(void)
 {
diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h
index 87c2d644287..c1e1200c43f 100644
--- a/drivers/s390/crypto/ap_bus.h
+++ b/drivers/s390/crypto/ap_bus.h
@@ -50,6 +50,15 @@ typedef unsigned int ap_qid_t;
 #define AP_QID_QUEUE(_qid) ((_qid) & 15)
 
 /**
+ * structy ap_queue_status - Holds the AP queue status.
+ * @queue_empty: Shows if queue is empty
+ * @replies_waiting: Waiting replies
+ * @queue_full: Is 1 if the queue is full
+ * @pad: A 4 bit pad
+ * @int_enabled: Shows if interrupts are enabled for the AP
+ * @response_conde: Holds the 8 bit response code
+ * @pad2: A 16 bit pad
+ *
  * The ap queue status word is returned by all three AP functions
  * (PQAP, NQAP and DQAP).  There's a set of flags in the first
  * byte, followed by a 1 byte response code.
@@ -75,7 +84,7 @@ struct ap_queue_status {
 #define AP_RESPONSE_NO_FIRST_PART	0x13
 #define AP_RESPONSE_MESSAGE_TOO_BIG	0x15
 
-/**
+/*
  * Known device types
  */
 #define AP_DEVICE_TYPE_PCICC	3
@@ -84,7 +93,7 @@ struct ap_queue_status {
 #define AP_DEVICE_TYPE_CEX2A	6
 #define AP_DEVICE_TYPE_CEX2C	7
 
-/**
+/*
  * AP reset flag states
  */
 #define AP_RESET_IGNORE	0	/* request timeout will be ignored */
@@ -152,7 +161,7 @@ struct ap_message {
 	.dev_type=(dt),					\
 	.match_flags=AP_DEVICE_ID_MATCH_DEVICE_TYPE,
 
-/**
+/*
  * Note: don't use ap_send/ap_recv after using ap_queue_message
  * for the first time. Otherwise the ap message queue will get
  * confused.
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index e3625a47a59..4d36e805a23 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -36,10 +36,11 @@
 #include <linux/compat.h>
 #include <asm/atomic.h>
 #include <asm/uaccess.h>
+#include <linux/hw_random.h>
 
 #include "zcrypt_api.h"
 
-/**
+/*
  * Module description.
  */
 MODULE_AUTHOR("IBM Corporation");
@@ -52,7 +53,10 @@ static LIST_HEAD(zcrypt_device_list);
 static int zcrypt_device_count = 0;
 static atomic_t zcrypt_open_count = ATOMIC_INIT(0);
 
-/**
+static int zcrypt_rng_device_add(void);
+static void zcrypt_rng_device_remove(void);
+
+/*
  * Device attributes common for all crypto devices.
  */
 static ssize_t zcrypt_type_show(struct device *dev,
@@ -99,6 +103,9 @@ static struct attribute_group zcrypt_device_attr_group = {
 };
 
 /**
+ * __zcrypt_increase_preference(): Increase preference of a crypto device.
+ * @zdev: Pointer the crypto device
+ *
  * Move the device towards the head of the device list.
  * Need to be called while holding the zcrypt device list lock.
  * Note: cards with speed_rating of 0 are kept at the end of the list.
@@ -125,6 +132,9 @@ static void __zcrypt_increase_preference(struct zcrypt_device *zdev)
 }
 
 /**
+ * __zcrypt_decrease_preference(): Decrease preference of a crypto device.
+ * @zdev: Pointer to a crypto device.
+ *
  * Move the device towards the tail of the device list.
  * Need to be called while holding the zcrypt device list lock.
  * Note: cards with speed_rating of 0 are kept at the end of the list.
@@ -198,7 +208,10 @@ void zcrypt_device_free(struct zcrypt_device *zdev)
 EXPORT_SYMBOL(zcrypt_device_free);
 
 /**
- * Register a crypto device.
+ * zcrypt_device_register() - Register a crypto device.
+ * @zdev: Pointer to a crypto device
+ *
+ * Register a crypto device. Returns 0 if successful.
  */
 int zcrypt_device_register(struct zcrypt_device *zdev)
 {
@@ -216,16 +229,37 @@ int zcrypt_device_register(struct zcrypt_device *zdev)
 	__zcrypt_increase_preference(zdev);
 	zcrypt_device_count++;
 	spin_unlock_bh(&zcrypt_device_lock);
+	if (zdev->ops->rng) {
+		rc = zcrypt_rng_device_add();
+		if (rc)
+			goto out_unregister;
+	}
+	return 0;
+
+out_unregister:
+	spin_lock_bh(&zcrypt_device_lock);
+	zcrypt_device_count--;
+	list_del_init(&zdev->list);
+	spin_unlock_bh(&zcrypt_device_lock);
+	sysfs_remove_group(&zdev->ap_dev->device.kobj,
+			   &zcrypt_device_attr_group);
+	put_device(&zdev->ap_dev->device);
+	zcrypt_device_put(zdev);
 out:
 	return rc;
 }
 EXPORT_SYMBOL(zcrypt_device_register);
 
 /**
+ * zcrypt_device_unregister(): Unregister a crypto device.
+ * @zdev: Pointer to crypto device
+ *
  * Unregister a crypto device.
  */
 void zcrypt_device_unregister(struct zcrypt_device *zdev)
 {
+	if (zdev->ops->rng)
+		zcrypt_rng_device_remove();
 	spin_lock_bh(&zcrypt_device_lock);
 	zcrypt_device_count--;
 	list_del_init(&zdev->list);
@@ -238,7 +272,9 @@ void zcrypt_device_unregister(struct zcrypt_device *zdev)
 EXPORT_SYMBOL(zcrypt_device_unregister);
 
 /**
- * zcrypt_read is not be supported beyond zcrypt 1.3.1
+ * zcrypt_read (): Not supported beyond zcrypt 1.3.1.
+ *
+ * This function is not supported beyond zcrypt 1.3.1.
  */
 static ssize_t zcrypt_read(struct file *filp, char __user *buf,
 			   size_t count, loff_t *f_pos)
@@ -247,6 +283,8 @@ static ssize_t zcrypt_read(struct file *filp, char __user *buf,
 }
 
 /**
+ * zcrypt_write(): Not allowed.
+ *
  * Write is is not allowed
  */
 static ssize_t zcrypt_write(struct file *filp, const char __user *buf,
@@ -256,7 +294,9 @@ static ssize_t zcrypt_write(struct file *filp, const char __user *buf,
 }
 
 /**
- * Device open/close functions to count number of users.
+ * zcrypt_open(): Count number of users.
+ *
+ * Device open function to count number of users.
  */
 static int zcrypt_open(struct inode *inode, struct file *filp)
 {
@@ -264,13 +304,18 @@ static int zcrypt_open(struct inode *inode, struct file *filp)
 	return 0;
 }
 
+/**
+ * zcrypt_release(): Count number of users.
+ *
+ * Device close function to count number of users.
+ */
 static int zcrypt_release(struct inode *inode, struct file *filp)
 {
 	atomic_dec(&zcrypt_open_count);
 	return 0;
 }
 
-/**
+/*
  * zcrypt ioctls.
  */
 static long zcrypt_rsa_modexpo(struct ica_rsa_modexpo *mex)
@@ -280,7 +325,7 @@ static long zcrypt_rsa_modexpo(struct ica_rsa_modexpo *mex)
 
 	if (mex->outputdatalength < mex->inputdatalength)
 		return -EINVAL;
-	/**
+	/*
 	 * As long as outputdatalength is big enough, we can set the
 	 * outputdatalength equal to the inputdatalength, since that is the
 	 * number of bytes we will copy in any case
@@ -326,7 +371,7 @@ static long zcrypt_rsa_crt(struct ica_rsa_modexpo_crt *crt)
 	if (crt->outputdatalength < crt->inputdatalength ||
 	    (crt->inputdatalength & 1))
 		return -EINVAL;
-	/**
+	/*
 	 * As long as outputdatalength is big enough, we can set the
 	 * outputdatalength equal to the inputdatalength, since that is the
 	 * number of bytes we will copy in any case
@@ -343,7 +388,7 @@ static long zcrypt_rsa_crt(struct ica_rsa_modexpo_crt *crt)
 		    zdev->max_mod_size < crt->inputdatalength)
 			continue;
 		if (zdev->short_crt && crt->inputdatalength > 240) {
-			/**
+			/*
 			 * Check inputdata for leading zeros for cards
 			 * that can't handle np_prime, bp_key, or
 			 * u_mult_inv > 128 bytes.
@@ -359,7 +404,7 @@ static long zcrypt_rsa_crt(struct ica_rsa_modexpo_crt *crt)
 				    copy_from_user(&z3, crt->u_mult_inv, len))
 					return -EFAULT;
 				copied = 1;
-				/**
+				/*
 				 * We have to restart device lookup -
 				 * the device list may have changed by now.
 				 */
@@ -427,6 +472,37 @@ static long zcrypt_send_cprb(struct ica_xcRB *xcRB)
 	return -ENODEV;
 }
 
+static long zcrypt_rng(char *buffer)
+{
+	struct zcrypt_device *zdev;
+	int rc;
+
+	spin_lock_bh(&zcrypt_device_lock);
+	list_for_each_entry(zdev, &zcrypt_device_list, list) {
+		if (!zdev->online || !zdev->ops->rng)
+			continue;
+		zcrypt_device_get(zdev);
+		get_device(&zdev->ap_dev->device);
+		zdev->request_count++;
+		__zcrypt_decrease_preference(zdev);
+		if (try_module_get(zdev->ap_dev->drv->driver.owner)) {
+			spin_unlock_bh(&zcrypt_device_lock);
+			rc = zdev->ops->rng(zdev, buffer);
+			spin_lock_bh(&zcrypt_device_lock);
+			module_put(zdev->ap_dev->drv->driver.owner);
+		} else
+			rc = -EAGAIN;
+		zdev->request_count--;
+		__zcrypt_increase_preference(zdev);
+		put_device(&zdev->ap_dev->device);
+		zcrypt_device_put(zdev);
+		spin_unlock_bh(&zcrypt_device_lock);
+		return rc;
+	}
+	spin_unlock_bh(&zcrypt_device_lock);
+	return -ENODEV;
+}
+
 static void zcrypt_status_mask(char status[AP_DEVICES])
 {
 	struct zcrypt_device *zdev;
@@ -514,6 +590,8 @@ static int zcrypt_count_type(int type)
 }
 
 /**
+ * zcrypt_ica_status(): Old, depracted combi status call.
+ *
  * Old, deprecated combi status call.
  */
 static long zcrypt_ica_status(struct file *filp, unsigned long arg)
@@ -615,7 +693,7 @@ static long zcrypt_unlocked_ioctl(struct file *filp, unsigned int cmd,
 				(int __user *) arg);
 	case Z90STAT_DOMAIN_INDEX:
 		return put_user(ap_domain_index, (int __user *) arg);
-	/**
+	/*
 	 * Deprecated ioctls. Don't add another device count ioctl,
 	 * you can count them yourself in the user space with the
 	 * output of the Z90STAT_STATUS_MASK ioctl.
@@ -653,7 +731,7 @@ static long zcrypt_unlocked_ioctl(struct file *filp, unsigned int cmd,
 }
 
 #ifdef CONFIG_COMPAT
-/**
+/*
  * ioctl32 conversion routines
  */
 struct compat_ica_rsa_modexpo {
@@ -804,7 +882,7 @@ static long zcrypt_compat_ioctl(struct file *filp, unsigned int cmd,
 }
 #endif
 
-/**
+/*
  * Misc device file operations.
  */
 static const struct file_operations zcrypt_fops = {
@@ -819,7 +897,7 @@ static const struct file_operations zcrypt_fops = {
 	.release	= zcrypt_release
 };
 
-/**
+/*
  * Misc device.
  */
 static struct miscdevice zcrypt_misc_device = {
@@ -828,7 +906,7 @@ static struct miscdevice zcrypt_misc_device = {
 	.fops	    = &zcrypt_fops,
 };
 
-/**
+/*
  * Deprecated /proc entry support.
  */
 static struct proc_dir_entry *zcrypt_entry;
@@ -1022,7 +1100,7 @@ static int zcrypt_status_write(struct file *file, const char __user *buffer,
 	}
 
 	for (j = 0; j < 64 && *ptr; ptr++) {
-		/**
+		/*
 		 * '0' for no device, '1' for PCICA, '2' for PCICC,
 		 * '3' for PCIXCC_MCL2, '4' for PCIXCC_MCL3,
 		 * '5' for CEX2C and '6' for CEX2A'
@@ -1041,7 +1119,76 @@ out:
 	return count;
 }
 
+static int zcrypt_rng_device_count;
+static u32 *zcrypt_rng_buffer;
+static int zcrypt_rng_buffer_index;
+static DEFINE_MUTEX(zcrypt_rng_mutex);
+
+static int zcrypt_rng_data_read(struct hwrng *rng, u32 *data)
+{
+	int rc;
+
+	/*
+	 * We don't need locking here because the RNG API guarantees serialized
+	 * read method calls.
+	 */
+	if (zcrypt_rng_buffer_index == 0) {
+		rc = zcrypt_rng((char *) zcrypt_rng_buffer);
+		if (rc < 0)
+			return -EIO;
+		zcrypt_rng_buffer_index = rc / sizeof *data;
+	}
+	*data = zcrypt_rng_buffer[--zcrypt_rng_buffer_index];
+	return sizeof *data;
+}
+
+static struct hwrng zcrypt_rng_dev = {
+	.name		= "zcrypt",
+	.data_read	= zcrypt_rng_data_read,
+};
+
+static int zcrypt_rng_device_add(void)
+{
+	int rc = 0;
+
+	mutex_lock(&zcrypt_rng_mutex);
+	if (zcrypt_rng_device_count == 0) {
+		zcrypt_rng_buffer = (u32 *) get_zeroed_page(GFP_KERNEL);
+		if (!zcrypt_rng_buffer) {
+			rc = -ENOMEM;
+			goto out;
+		}
+		zcrypt_rng_buffer_index = 0;
+		rc = hwrng_register(&zcrypt_rng_dev);
+		if (rc)
+			goto out_free;
+		zcrypt_rng_device_count = 1;
+	} else
+		zcrypt_rng_device_count++;
+	mutex_unlock(&zcrypt_rng_mutex);
+	return 0;
+
+out_free:
+	free_page((unsigned long) zcrypt_rng_buffer);
+out:
+	mutex_unlock(&zcrypt_rng_mutex);
+	return rc;
+}
+
+static void zcrypt_rng_device_remove(void)
+{
+	mutex_lock(&zcrypt_rng_mutex);
+	zcrypt_rng_device_count--;
+	if (zcrypt_rng_device_count == 0) {
+		hwrng_unregister(&zcrypt_rng_dev);
+		free_page((unsigned long) zcrypt_rng_buffer);
+	}
+	mutex_unlock(&zcrypt_rng_mutex);
+}
+
 /**
+ * zcrypt_api_init(): Module initialization.
+ *
  * The module initialization code.
  */
 int __init zcrypt_api_init(void)
@@ -1076,6 +1223,8 @@ out:
 }
 
 /**
+ * zcrypt_api_exit(): Module termination.
+ *
  * The module termination code.
  */
 void zcrypt_api_exit(void)
diff --git a/drivers/s390/crypto/zcrypt_api.h b/drivers/s390/crypto/zcrypt_api.h
index de4877ee618..5c6e222b2ac 100644
--- a/drivers/s390/crypto/zcrypt_api.h
+++ b/drivers/s390/crypto/zcrypt_api.h
@@ -43,17 +43,17 @@
 #define DEV_NAME	"zcrypt"
 
 #define PRINTK(fmt, args...) \
-	printk(KERN_DEBUG DEV_NAME ": %s -> " fmt, __FUNCTION__ , ## args)
+	printk(KERN_DEBUG DEV_NAME ": %s -> " fmt, __func__ , ## args)
 #define PRINTKN(fmt, args...) \
 	printk(KERN_DEBUG DEV_NAME ": " fmt, ## args)
 #define PRINTKW(fmt, args...) \
-	printk(KERN_WARNING DEV_NAME ": %s -> " fmt, __FUNCTION__ , ## args)
+	printk(KERN_WARNING DEV_NAME ": %s -> " fmt, __func__ , ## args)
 #define PRINTKC(fmt, args...) \
-	printk(KERN_CRIT DEV_NAME ": %s -> " fmt, __FUNCTION__ , ## args)
+	printk(KERN_CRIT DEV_NAME ": %s -> " fmt, __func__ , ## args)
 
 #ifdef ZCRYPT_DEBUG
 #define PDEBUG(fmt, args...) \
-	printk(KERN_DEBUG DEV_NAME ": %s -> " fmt, __FUNCTION__ , ## args)
+	printk(KERN_DEBUG DEV_NAME ": %s -> " fmt, __func__ , ## args)
 #else
 #define PDEBUG(fmt, args...) do {} while (0)
 #endif
@@ -100,6 +100,13 @@ struct ica_z90_status {
 #define ZCRYPT_CEX2C		5
 #define ZCRYPT_CEX2A		6
 
+/**
+ * Large random numbers are pulled in 4096 byte chunks from the crypto cards
+ * and stored in a page. Be carefull when increasing this buffer due to size
+ * limitations for AP requests.
+ */
+#define ZCRYPT_RNG_BUFFER_SIZE	4096
+
 struct zcrypt_device;
 
 struct zcrypt_ops {
@@ -107,6 +114,7 @@ struct zcrypt_ops {
 	long (*rsa_modexpo_crt)(struct zcrypt_device *,
 				struct ica_rsa_modexpo_crt *);
 	long (*send_cprb)(struct zcrypt_device *, struct ica_xcRB *);
+	long (*rng)(struct zcrypt_device *, char *);
 };
 
 struct zcrypt_device {
diff --git a/drivers/s390/crypto/zcrypt_cca_key.h b/drivers/s390/crypto/zcrypt_cca_key.h
index 8dbcf0eef3e..ed82f2f59b1 100644
--- a/drivers/s390/crypto/zcrypt_cca_key.h
+++ b/drivers/s390/crypto/zcrypt_cca_key.h
@@ -174,7 +174,7 @@ static inline int zcrypt_type6_mex_key_de(struct ica_rsa_modexpo *mex,
 	key->pvtMeHdr = static_pvt_me_hdr;
 	key->pvtMeSec = static_pvt_me_sec;
 	key->pubMeSec = static_pub_me_sec;
-	/**
+	/*
 	 * In a private key, the modulus doesn't appear in the public
 	 * section. So, an arbitrary public exponent of 0x010001 will be
 	 * used.
@@ -338,7 +338,7 @@ static inline int zcrypt_type6_crt_key(struct ica_rsa_modexpo_crt *crt,
 	pub = (struct cca_public_sec *)(key->key_parts + key_len);
 	*pub = static_cca_pub_sec;
 	pub->modulus_bit_len = 8 * crt->inputdatalength;
-	/**
+	/*
 	 * In a private key, the modulus doesn't appear in the public
 	 * section. So, an arbitrary public exponent of 0x010001 will be
 	 * used.
diff --git a/drivers/s390/crypto/zcrypt_error.h b/drivers/s390/crypto/zcrypt_error.h
index 2cb616ba8be..3e27fe77d20 100644
--- a/drivers/s390/crypto/zcrypt_error.h
+++ b/drivers/s390/crypto/zcrypt_error.h
@@ -108,7 +108,7 @@ static inline int convert_error(struct zcrypt_device *zdev,
 		return -EINVAL;
 	case REP82_ERROR_MESSAGE_TYPE:
 	//   REP88_ERROR_MESSAGE_TYPE		// '20' CEX2A
-		/**
+		/*
 		 * To sent a message of the wrong type is a bug in the
 		 * device driver. Warn about it, disable the device
 		 * and then repeat the request.
diff --git a/drivers/s390/crypto/zcrypt_pcicc.c b/drivers/s390/crypto/zcrypt_pcicc.c
index d6d59bf9ac3..17ea56ce1c1 100644
--- a/drivers/s390/crypto/zcrypt_pcicc.c
+++ b/drivers/s390/crypto/zcrypt_pcicc.c
@@ -42,7 +42,7 @@
 #define PCICC_MAX_MOD_SIZE_OLD	128	/* 1024 bits */
 #define PCICC_MAX_MOD_SIZE	256	/* 2048 bits */
 
-/**
+/*
  * PCICC cards need a speed rating of 0. This keeps them at the end of
  * the zcrypt device list (see zcrypt_api.c). PCICC cards are only
  * used if no other cards are present because they are slow and can only
@@ -388,7 +388,7 @@ static int convert_type86(struct zcrypt_device *zdev,
 	reply_len = le16_to_cpu(msg->length) - 2;
 	if (reply_len > outputdatalength)
 		return -EINVAL;
-	/**
+	/*
 	 * For all encipher requests, the length of the ciphertext (reply_len)
 	 * will always equal the modulus length. For MEX decipher requests
 	 * the output needs to get padded. Minimum pad size is 10.
diff --git a/drivers/s390/crypto/zcrypt_pcixcc.c b/drivers/s390/crypto/zcrypt_pcixcc.c
index 70b9ddc8cf9..0bc9b3188e6 100644
--- a/drivers/s390/crypto/zcrypt_pcixcc.c
+++ b/drivers/s390/crypto/zcrypt_pcixcc.c
@@ -356,6 +356,55 @@ static int XCRB_msg_to_type6CPRB_msgX(struct zcrypt_device *zdev,
 }
 
 /**
+ * Prepare a type6 CPRB message for random number generation
+ *
+ * @ap_dev: AP device pointer
+ * @ap_msg: pointer to AP message
+ */
+static void rng_type6CPRB_msgX(struct ap_device *ap_dev,
+			       struct ap_message *ap_msg,
+			       unsigned random_number_length)
+{
+	struct {
+		struct type6_hdr hdr;
+		struct CPRBX cprbx;
+		char function_code[2];
+		short int rule_length;
+		char rule[8];
+		short int verb_length;
+		short int key_length;
+	} __attribute__((packed)) *msg = ap_msg->message;
+	static struct type6_hdr static_type6_hdrX = {
+		.type		= 0x06,
+		.offset1	= 0x00000058,
+		.agent_id	= {'C', 'A'},
+		.function_code	= {'R', 'L'},
+		.ToCardLen1	= sizeof *msg - sizeof(msg->hdr),
+		.FromCardLen1	= sizeof *msg - sizeof(msg->hdr),
+	};
+	static struct CPRBX static_cprbx = {
+		.cprb_len	= 0x00dc,
+		.cprb_ver_id	= 0x02,
+		.func_id	= {0x54, 0x32},
+		.req_parml	= sizeof *msg - sizeof(msg->hdr) -
+				  sizeof(msg->cprbx),
+		.rpl_msgbl	= sizeof *msg - sizeof(msg->hdr),
+	};
+
+	msg->hdr = static_type6_hdrX;
+	msg->hdr.FromCardLen2 = random_number_length,
+	msg->cprbx = static_cprbx;
+	msg->cprbx.rpl_datal = random_number_length,
+	msg->cprbx.domain = AP_QID_QUEUE(ap_dev->qid);
+	memcpy(msg->function_code, msg->hdr.function_code, 0x02);
+	msg->rule_length = 0x0a;
+	memcpy(msg->rule, "RANDOM  ", 8);
+	msg->verb_length = 0x02;
+	msg->key_length = 0x02;
+	ap_msg->length = sizeof *msg;
+}
+
+/**
  * Copy results from a type 86 ICA reply message back to user space.
  *
  * @zdev: crypto device pointer
@@ -452,7 +501,7 @@ static int convert_type86_ica(struct zcrypt_device *zdev,
 	reply_len = msg->length - 2;
 	if (reply_len > outputdatalength)
 		return -EINVAL;
-	/**
+	/*
 	 * For all encipher requests, the length of the ciphertext (reply_len)
 	 * will always equal the modulus length. For MEX decipher requests
 	 * the output needs to get padded. Minimum pad size is 10.
@@ -509,6 +558,26 @@ static int convert_type86_xcrb(struct zcrypt_device *zdev,
 	return 0;
 }
 
+static int convert_type86_rng(struct zcrypt_device *zdev,
+			  struct ap_message *reply,
+			  char *buffer)
+{
+	struct {
+		struct type86_hdr hdr;
+		struct type86_fmt2_ext fmt2;
+		struct CPRBX cprbx;
+	} __attribute__((packed)) *msg = reply->message;
+	char *data = reply->message;
+
+	if (msg->cprbx.ccp_rtcode != 0 || msg->cprbx.ccp_rscode != 0) {
+		PDEBUG("RNG response error on PCIXCC/CEX2C rc=%hu/rs=%hu\n",
+		       rc, rs);
+		return -EINVAL;
+	}
+	memcpy(buffer, data + msg->fmt2.offset2, msg->fmt2.count2);
+	return msg->fmt2.count2;
+}
+
 static int convert_response_ica(struct zcrypt_device *zdev,
 			    struct ap_message *reply,
 			    char __user *outputdata,
@@ -567,6 +636,31 @@ static int convert_response_xcrb(struct zcrypt_device *zdev,
 	}
 }
 
+static int convert_response_rng(struct zcrypt_device *zdev,
+				 struct ap_message *reply,
+				 char *data)
+{
+	struct type86x_reply *msg = reply->message;
+
+	switch (msg->hdr.type) {
+	case TYPE82_RSP_CODE:
+	case TYPE88_RSP_CODE:
+		return -EINVAL;
+	case TYPE86_RSP_CODE:
+		if (msg->hdr.reply_code)
+			return -EINVAL;
+		if (msg->cprbx.cprb_ver_id == 0x02)
+			return convert_type86_rng(zdev, reply, data);
+		/* no break, incorrect cprb version is an unknown response */
+	default: /* Unknown response type, this should NEVER EVER happen */
+		PRINTK("Unrecognized Message Header: %08x%08x\n",
+		       *(unsigned int *) reply->message,
+		       *(unsigned int *) (reply->message+4));
+		zdev->online = 0;
+		return -EAGAIN;	/* repeat the request on a different device. */
+	}
+}
+
 /**
  * This function is called from the AP bus code after a crypto request
  * "msg" has finished with the reply message "reply".
@@ -736,6 +830,42 @@ out_free:
 }
 
 /**
+ * The request distributor calls this function if it picked the PCIXCC/CEX2C
+ * device to generate random data.
+ * @zdev: pointer to zcrypt_device structure that identifies the
+ *	  PCIXCC/CEX2C device to the request distributor
+ * @buffer: pointer to a memory page to return random data
+ */
+
+static long zcrypt_pcixcc_rng(struct zcrypt_device *zdev,
+				    char *buffer)
+{
+	struct ap_message ap_msg;
+	struct response_type resp_type = {
+		.type = PCIXCC_RESPONSE_TYPE_XCRB,
+	};
+	int rc;
+
+	ap_msg.message = kmalloc(PCIXCC_MAX_XCRB_MESSAGE_SIZE, GFP_KERNEL);
+	if (!ap_msg.message)
+		return -ENOMEM;
+	ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
+				atomic_inc_return(&zcrypt_step);
+	ap_msg.private = &resp_type;
+	rng_type6CPRB_msgX(zdev->ap_dev, &ap_msg, ZCRYPT_RNG_BUFFER_SIZE);
+	init_completion(&resp_type.work);
+	ap_queue_message(zdev->ap_dev, &ap_msg);
+	rc = wait_for_completion_interruptible(&resp_type.work);
+	if (rc == 0)
+		rc = convert_response_rng(zdev, &ap_msg, buffer);
+	else
+		/* Signal pending. */
+		ap_cancel_message(zdev->ap_dev, &ap_msg);
+	kfree(ap_msg.message);
+	return rc;
+}
+
+/**
  * The crypto operations for a PCIXCC/CEX2C card.
  */
 static struct zcrypt_ops zcrypt_pcixcc_ops = {
@@ -744,6 +874,13 @@ static struct zcrypt_ops zcrypt_pcixcc_ops = {
 	.send_cprb = zcrypt_pcixcc_send_cprb,
 };
 
+static struct zcrypt_ops zcrypt_pcixcc_with_rng_ops = {
+	.rsa_modexpo = zcrypt_pcixcc_modexpo,
+	.rsa_modexpo_crt = zcrypt_pcixcc_modexpo_crt,
+	.send_cprb = zcrypt_pcixcc_send_cprb,
+	.rng = zcrypt_pcixcc_rng,
+};
+
 /**
  * Micro-code detection function. Its sends a message to a pcixcc card
  * to find out the microcode level.
@@ -859,6 +996,58 @@ out_free:
 }
 
 /**
+ * Large random number detection function. Its sends a message to a pcixcc
+ * card to find out if large random numbers are supported.
+ * @ap_dev: pointer to the AP device.
+ *
+ * Returns 1 if large random numbers are supported, 0 if not and < 0 on error.
+ */
+static int zcrypt_pcixcc_rng_supported(struct ap_device *ap_dev)
+{
+	struct ap_message ap_msg;
+	unsigned long long psmid;
+	struct {
+		struct type86_hdr hdr;
+		struct type86_fmt2_ext fmt2;
+		struct CPRBX cprbx;
+	} __attribute__((packed)) *reply;
+	int rc, i;
+
+	ap_msg.message = (void *) get_zeroed_page(GFP_KERNEL);
+	if (!ap_msg.message)
+		return -ENOMEM;
+
+	rng_type6CPRB_msgX(ap_dev, &ap_msg, 4);
+	rc = ap_send(ap_dev->qid, 0x0102030405060708ULL, ap_msg.message,
+		     ap_msg.length);
+	if (rc)
+		goto out_free;
+
+	/* Wait for the test message to complete. */
+	for (i = 0; i < 2 * HZ; i++) {
+		msleep(1000 / HZ);
+		rc = ap_recv(ap_dev->qid, &psmid, ap_msg.message, 4096);
+		if (rc == 0 && psmid == 0x0102030405060708ULL)
+			break;
+	}
+
+	if (i >= 2 * HZ) {
+		/* Got no answer. */
+		rc = -ENODEV;
+		goto out_free;
+	}
+
+	reply = ap_msg.message;
+	if (reply->cprbx.ccp_rtcode == 0 && reply->cprbx.ccp_rscode == 0)
+		rc = 1;
+	else
+		rc = 0;
+out_free:
+	free_page((unsigned long) ap_msg.message);
+	return rc;
+}
+
+/**
  * Probe function for PCIXCC/CEX2C cards. It always accepts the AP device
  * since the bus_match already checked the hardware type. The PCIXCC
  * cards come in two flavours: micro code level 2 and micro code level 3.
@@ -874,7 +1063,6 @@ static int zcrypt_pcixcc_probe(struct ap_device *ap_dev)
 	if (!zdev)
 		return -ENOMEM;
 	zdev->ap_dev = ap_dev;
-	zdev->ops = &zcrypt_pcixcc_ops;
 	zdev->online = 1;
 	if (ap_dev->device_type == AP_DEVICE_TYPE_PCIXCC) {
 		rc = zcrypt_pcixcc_mcl(ap_dev);
@@ -901,6 +1089,15 @@ static int zcrypt_pcixcc_probe(struct ap_device *ap_dev)
 		zdev->min_mod_size = PCIXCC_MIN_MOD_SIZE;
 		zdev->max_mod_size = PCIXCC_MAX_MOD_SIZE;
 	}
+	rc = zcrypt_pcixcc_rng_supported(ap_dev);
+	if (rc < 0) {
+		zcrypt_device_free(zdev);
+		return rc;
+	}
+	if (rc)
+		zdev->ops = &zcrypt_pcixcc_with_rng_ops;
+	else
+		zdev->ops = &zcrypt_pcixcc_ops;
 	ap_dev->reply = &zdev->reply;
 	ap_dev->private = zdev;
 	rc = zcrypt_device_register(zdev);
diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c
index d8a5c229c5a..04a1d7bf678 100644
--- a/drivers/s390/net/claw.c
+++ b/drivers/s390/net/claw.c
@@ -299,7 +299,7 @@ claw_probe(struct ccwgroup_device *cgdev)
 	struct claw_privbk *privptr=NULL;
 
 #ifdef FUNCTRACE
-	printk(KERN_INFO "%s Enter\n",__FUNCTION__);
+	printk(KERN_INFO "%s Enter\n",__func__);
 #endif
 	CLAW_DBF_TEXT(2,setup,"probe");
 	if (!get_device(&cgdev->dev))
@@ -313,7 +313,7 @@ claw_probe(struct ccwgroup_device *cgdev)
 		probe_error(cgdev);
 		put_device(&cgdev->dev);
 		printk(KERN_WARNING "Out of memory %s %s Exit Line %d \n",
-			cgdev->cdev[0]->dev.bus_id,__FUNCTION__,__LINE__);
+			cgdev->cdev[0]->dev.bus_id,__func__,__LINE__);
 		CLAW_DBF_TEXT_(2,setup,"probex%d",-ENOMEM);
 		return -ENOMEM;
 	}
@@ -323,7 +323,7 @@ claw_probe(struct ccwgroup_device *cgdev)
                 probe_error(cgdev);
 		put_device(&cgdev->dev);
 		printk(KERN_WARNING "Out of memory %s %s Exit Line %d \n",
-			cgdev->cdev[0]->dev.bus_id,__FUNCTION__,__LINE__);
+			cgdev->cdev[0]->dev.bus_id,__func__,__LINE__);
 		CLAW_DBF_TEXT_(2,setup,"probex%d",-ENOMEM);
                 return -ENOMEM;
         }
@@ -340,7 +340,7 @@ claw_probe(struct ccwgroup_device *cgdev)
 		probe_error(cgdev);
 		put_device(&cgdev->dev);
 		printk(KERN_WARNING "add_files failed %s %s Exit Line %d \n",
-			cgdev->cdev[0]->dev.bus_id,__FUNCTION__,__LINE__);
+			cgdev->cdev[0]->dev.bus_id,__func__,__LINE__);
 		CLAW_DBF_TEXT_(2,setup,"probex%d",rc);
 		return rc;
 	}
@@ -351,7 +351,7 @@ claw_probe(struct ccwgroup_device *cgdev)
 	cgdev->dev.driver_data = privptr;
 #ifdef FUNCTRACE
         printk(KERN_INFO "claw:%s exit on line %d, "
-		"rc = 0\n",__FUNCTION__,__LINE__);
+		"rc = 0\n",__func__,__LINE__);
 #endif
 	CLAW_DBF_TEXT(2,setup,"prbext 0");
 
@@ -371,7 +371,7 @@ claw_tx(struct sk_buff *skb, struct net_device *dev)
         struct chbk *p_ch;
 
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s:%s enter\n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s enter\n",dev->name,__func__);
 #endif
 	CLAW_DBF_TEXT(4,trace,"claw_tx");
         p_ch=&privptr->channel[WRITE];
@@ -381,7 +381,7 @@ claw_tx(struct sk_buff *skb, struct net_device *dev)
                 privptr->stats.tx_dropped++;
 #ifdef FUNCTRACE
                 printk(KERN_INFO "%s: %s() exit on line %d, rc = EIO\n",
-			dev->name,__FUNCTION__, __LINE__);
+			dev->name,__func__, __LINE__);
 #endif
 		CLAW_DBF_TEXT_(2,trace,"clawtx%d",-EIO);
                 return -EIO;
@@ -398,7 +398,7 @@ claw_tx(struct sk_buff *skb, struct net_device *dev)
         spin_unlock_irqrestore(get_ccwdev_lock(p_ch->cdev), saveflags);
 #ifdef FUNCTRACE
         printk(KERN_INFO "%s:%s exit on line %d, rc = %d\n",
-		dev->name, __FUNCTION__, __LINE__, rc);
+		dev->name, __func__, __LINE__, rc);
 #endif
 	CLAW_DBF_TEXT_(4,trace,"clawtx%d",rc);
         return rc;
@@ -460,7 +460,7 @@ claw_pack_skb(struct claw_privbk *privptr)
 #ifdef IOTRACE
 		printk(KERN_INFO "%s: %s() Packed %d len %d\n",
 			p_env->ndev->name,
-			__FUNCTION__,pkt_cnt,new_skb->len);
+			__func__,pkt_cnt,new_skb->len);
 #endif
 	}
 	CLAW_DBF_TEXT(4,trace,"PackSKBx");
@@ -478,7 +478,7 @@ claw_change_mtu(struct net_device *dev, int new_mtu)
 	struct claw_privbk  *privptr=dev->priv;
 	int buff_size;
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s:%s Enter  \n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s Enter  \n",dev->name,__func__);
 #endif
 #ifdef DEBUGMSG
         printk(KERN_INFO "variable dev =\n");
@@ -491,14 +491,14 @@ claw_change_mtu(struct net_device *dev, int new_mtu)
 #ifdef FUNCTRACE
                 printk(KERN_INFO "%s:%s Exit on line %d, rc=EINVAL\n",
 		dev->name,
-		__FUNCTION__, __LINE__);
+		__func__, __LINE__);
 #endif
                 return -EINVAL;
         }
         dev->mtu = new_mtu;
 #ifdef FUNCTRACE
         printk(KERN_INFO "%s:%s Exit on line %d\n",dev->name,
-	__FUNCTION__, __LINE__);
+	__func__, __LINE__);
 #endif
         return 0;
 }  /*   end of claw_change_mtu */
@@ -522,7 +522,7 @@ claw_open(struct net_device *dev)
         struct ccwbk *p_buf;
 
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s:%s Enter  \n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s Enter  \n",dev->name,__func__);
 #endif
 	CLAW_DBF_TEXT(4,trace,"open");
 	if (!dev || (dev->name[0] == 0x00)) {
@@ -537,7 +537,7 @@ claw_open(struct net_device *dev)
         	if (rc) {
                 	printk(KERN_INFO "%s:%s Exit on line %d, rc=ENOMEM\n",
 			dev->name,
-			__FUNCTION__, __LINE__);
+			__func__, __LINE__);
 			CLAW_DBF_TEXT(2,trace,"openmem");
                 	return -ENOMEM;
         	}
@@ -661,7 +661,7 @@ claw_open(struct net_device *dev)
                 claw_clear_busy(dev);
 #ifdef FUNCTRACE
                 printk(KERN_INFO "%s:%s Exit on line %d, rc=EIO\n",
-		dev->name,__FUNCTION__,__LINE__);
+		dev->name,__func__,__LINE__);
 #endif
 		CLAW_DBF_TEXT(2,trace,"open EIO");
                 return -EIO;
@@ -673,7 +673,7 @@ claw_open(struct net_device *dev)
 
 #ifdef FUNCTRACE
         printk(KERN_INFO "%s:%s Exit on line %d, rc=0\n",
-		dev->name,__FUNCTION__,__LINE__);
+		dev->name,__func__,__LINE__);
 #endif
 	CLAW_DBF_TEXT(4,trace,"openok");
         return 0;
@@ -696,7 +696,7 @@ claw_irq_handler(struct ccw_device *cdev,
 
 
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s enter  \n",__FUNCTION__);
+	printk(KERN_INFO "%s enter  \n",__func__);
 #endif
 	CLAW_DBF_TEXT(4,trace,"clawirq");
         /* Bypass all 'unsolicited interrupts' */
@@ -706,7 +706,7 @@ claw_irq_handler(struct ccw_device *cdev,
                         cdev->dev.bus_id,irb->scsw.cstat, irb->scsw.dstat);
 #ifdef FUNCTRACE
                 printk(KERN_INFO "claw: %s() "
-			"exit on line %d\n",__FUNCTION__,__LINE__);
+			"exit on line %d\n",__func__,__LINE__);
 #endif
 		CLAW_DBF_TEXT(2,trace,"badirq");
                 return;
@@ -752,7 +752,7 @@ claw_irq_handler(struct ccw_device *cdev,
 #endif
 #ifdef FUNCTRACE
 		printk(KERN_INFO "%s:%s Exit on line %d\n",
-		dev->name,__FUNCTION__,__LINE__);
+		dev->name,__func__,__LINE__);
 #endif
 		CLAW_DBF_TEXT(2,trace,"chanchk");
                 /* return; */
@@ -777,7 +777,7 @@ claw_irq_handler(struct ccw_device *cdev,
 	     		(SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)))) {
 #ifdef FUNCTRACE
                                 printk(KERN_INFO "%s:%s Exit on line %d\n",
-					dev->name,__FUNCTION__,__LINE__);
+					dev->name,__func__,__LINE__);
 #endif
                                 return;
                         }
@@ -788,7 +788,7 @@ claw_irq_handler(struct ccw_device *cdev,
 #endif
 #ifdef FUNCTRACE
                         printk(KERN_INFO "%s:%s Exit on line %d\n",
-				dev->name,__FUNCTION__,__LINE__);
+				dev->name,__func__,__LINE__);
 #endif
 			CLAW_DBF_TEXT(4,trace,"stop");
                         return;
@@ -804,7 +804,7 @@ claw_irq_handler(struct ccw_device *cdev,
 	     		(SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)))) {
 #ifdef FUNCTRACE
 				printk(KERN_INFO "%s:%s Exit on line %d\n",
-					dev->name,__FUNCTION__,__LINE__);
+					dev->name,__func__,__LINE__);
 #endif
 				CLAW_DBF_TEXT(4,trace,"haltio");
                                 return;
@@ -838,7 +838,7 @@ claw_irq_handler(struct ccw_device *cdev,
 #endif
 #ifdef FUNCTRACE
                         printk(KERN_INFO "%s:%s Exit on line %d\n",
-				dev->name,__FUNCTION__,__LINE__);
+				dev->name,__func__,__LINE__);
 #endif
 			CLAW_DBF_TEXT(4,trace,"haltio");
                         return;
@@ -858,7 +858,7 @@ claw_irq_handler(struct ccw_device *cdev,
                                 }
 #ifdef FUNCTRACE
 				printk(KERN_INFO "%s:%s Exit on line %d\n",
-					dev->name,__FUNCTION__,__LINE__);
+					dev->name,__func__,__LINE__);
 #endif
 					CLAW_DBF_TEXT(4,trace,"notrdy");
                                         return;
@@ -874,7 +874,7 @@ claw_irq_handler(struct ccw_device *cdev,
 				}
 #ifdef FUNCTRACE
 				printk(KERN_INFO "%s:%s Exit on line %d\n",
-					dev->name,__FUNCTION__,__LINE__);
+					dev->name,__func__,__LINE__);
 #endif
 				CLAW_DBF_TEXT(4,trace,"PCI_read");
                                 return;
@@ -885,7 +885,7 @@ claw_irq_handler(struct ccw_device *cdev,
 	     		 (SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)))) {
 #ifdef FUNCTRACE
 				printk(KERN_INFO "%s:%s Exit on line %d\n",
-					dev->name,__FUNCTION__,__LINE__);
+					dev->name,__func__,__LINE__);
 #endif
 				CLAW_DBF_TEXT(4,trace,"SPend_rd");
                                 return;
@@ -906,7 +906,7 @@ claw_irq_handler(struct ccw_device *cdev,
 #endif
 #ifdef FUNCTRACE
 			printk(KERN_INFO "%s:%s Exit on line %d\n",
-				dev->name,__FUNCTION__,__LINE__);
+				dev->name,__func__,__LINE__);
 #endif
 			CLAW_DBF_TEXT(4,trace,"RdIRQXit");
                         return;
@@ -929,7 +929,7 @@ claw_irq_handler(struct ccw_device *cdev,
                                 }
 #ifdef FUNCTRACE
 				printk(KERN_INFO "%s:%s Exit on line %d\n",
-					dev->name,__FUNCTION__,__LINE__);
+					dev->name,__func__,__LINE__);
 #endif
 				CLAW_DBF_TEXT(4,trace,"rstrtwrt");
                                 return;
@@ -946,7 +946,7 @@ claw_irq_handler(struct ccw_device *cdev,
 	     		(SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)))) {
 #ifdef FUNCTRACE
 				printk(KERN_INFO "%s:%s Exit on line %d\n",
-					dev->name,__FUNCTION__,__LINE__);
+					dev->name,__func__,__LINE__);
 #endif
 				CLAW_DBF_TEXT(4,trace,"writeUE");
                                 return;
@@ -969,7 +969,7 @@ claw_irq_handler(struct ccw_device *cdev,
 #endif
 #ifdef FUNCTRACE
 			printk(KERN_INFO "%s:%s Exit on line %d\n",
-				dev->name,__FUNCTION__,__LINE__);
+				dev->name,__func__,__LINE__);
 #endif
 			CLAW_DBF_TEXT(4,trace,"StWtExit");
                         return;
@@ -978,7 +978,7 @@ claw_irq_handler(struct ccw_device *cdev,
 				"state=%d\n",dev->name,p_ch->claw_state);
 #ifdef FUNCTRACE
 			printk(KERN_INFO "%s:%s Exit on line %d\n",
-				dev->name,__FUNCTION__,__LINE__);
+				dev->name,__func__,__LINE__);
 #endif
 			CLAW_DBF_TEXT(2,trace,"badIRQ");
                         return;
@@ -1001,7 +1001,7 @@ claw_irq_tasklet ( unsigned long data )
 	p_ch = (struct chbk *) data;
         dev = (struct net_device *)p_ch->ndev;
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s:%s Enter  \n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s Enter  \n",dev->name,__func__);
 #endif
 #ifdef DEBUGMSG
         printk(KERN_INFO "%s: variable p_ch =\n",dev->name);
@@ -1021,7 +1021,7 @@ claw_irq_tasklet ( unsigned long data )
 	CLAW_DBF_TEXT(4,trace,"TskletXt");
 #ifdef FUNCTRACE
 	printk(KERN_INFO "%s:%s Exit on line %d\n",
-		dev->name,__FUNCTION__,__LINE__);
+		dev->name,__func__,__LINE__);
 #endif
         return;
 }       /*    end of claw_irq_bh    */
@@ -1048,7 +1048,7 @@ claw_release(struct net_device *dev)
         if (!privptr)
                 return 0;
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s:%s Enter  \n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s Enter  \n",dev->name,__func__);
 #endif
 	CLAW_DBF_TEXT(4,trace,"release");
 #ifdef DEBUGMSG
@@ -1090,7 +1090,7 @@ claw_release(struct net_device *dev)
 	if(privptr->buffs_alloc != 1) {
 #ifdef FUNCTRACE
 	printk(KERN_INFO "%s:%s Exit on line %d\n",
-		dev->name,__FUNCTION__,__LINE__);
+		dev->name,__func__,__LINE__);
 #endif
 		CLAW_DBF_TEXT(4,trace,"none2fre");
 		return 0;
@@ -1171,7 +1171,7 @@ claw_release(struct net_device *dev)
         }
 #ifdef FUNCTRACE
 	printk(KERN_INFO "%s:%s Exit on line %d\n",
-		dev->name,__FUNCTION__,__LINE__);
+		dev->name,__func__,__LINE__);
 #endif
 	CLAW_DBF_TEXT(4,trace,"rlsexit");
         return 0;
@@ -1192,7 +1192,7 @@ claw_write_retry ( struct chbk *p_ch )
 
 
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s:%s Enter\n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s Enter\n",dev->name,__func__);
         printk(KERN_INFO "claw: variable p_ch =\n");
         dumpit((char *) p_ch, sizeof(struct chbk));
 #endif
@@ -1200,20 +1200,20 @@ claw_write_retry ( struct chbk *p_ch )
         if (p_ch->claw_state == CLAW_STOP) {
 #ifdef FUNCTRACE
 		printk(KERN_INFO "%s:%s Exit on line %d\n",
-			dev->name,__FUNCTION__,__LINE__);
+			dev->name,__func__,__LINE__);
 #endif
         	return;
         }
 #ifdef DEBUGMSG
         printk( KERN_INFO "%s:%s  state-%02x\n" ,
 		dev->name,
-		__FUNCTION__,
+		__func__,
 		p_ch->claw_state);
 #endif
 	claw_strt_out_IO( dev );
 #ifdef FUNCTRACE
 	printk(KERN_INFO "%s:%s Exit on line %d\n",
-		dev->name,__FUNCTION__,__LINE__);
+		dev->name,__func__,__LINE__);
 #endif
 	CLAW_DBF_TEXT(4,trace,"rtry_xit");
         return;
@@ -1235,7 +1235,7 @@ claw_write_next ( struct chbk * p_ch )
 	int	rc;
 
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s:%s Enter  \n",p_ch->ndev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s Enter  \n",p_ch->ndev->name,__func__);
         printk(KERN_INFO "%s: variable p_ch =\n",p_ch->ndev->name);
         dumpit((char *) p_ch, sizeof(struct chbk));
 #endif
@@ -1262,7 +1262,7 @@ claw_write_next ( struct chbk * p_ch )
 
 #ifdef FUNCTRACE
 	printk(KERN_INFO "%s:%s Exit on line %d\n",
-		dev->name,__FUNCTION__,__LINE__);
+		dev->name,__func__,__LINE__);
 #endif
         return;
 }      /* end of claw_write_next      */
@@ -1276,7 +1276,7 @@ static void
 claw_timer ( struct chbk * p_ch )
 {
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s:%s Entry\n",p_ch->ndev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s Entry\n",p_ch->ndev->name,__func__);
         printk(KERN_INFO "%s: variable p_ch =\n",p_ch->ndev->name);
         dumpit((char *) p_ch, sizeof(struct chbk));
 #endif
@@ -1285,7 +1285,7 @@ claw_timer ( struct chbk * p_ch )
         wake_up(&p_ch->wait);
 #ifdef FUNCTRACE
 	printk(KERN_INFO "%s:%s Exit on line %d\n",
-		p_ch->ndev->name,__FUNCTION__,__LINE__);
+		p_ch->ndev->name,__func__,__LINE__);
 #endif
         return;
 }      /* end of claw_timer  */
@@ -1312,7 +1312,7 @@ pages_to_order_of_mag(int num_of_pages)
 	int	order_of_mag=1;		/* assume 2 pages */
 	int	nump=2;
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s Enter pages = %d \n",__FUNCTION__,num_of_pages);
+	printk(KERN_INFO "%s Enter pages = %d \n",__func__,num_of_pages);
 #endif
 	CLAW_DBF_TEXT_(5,trace,"pages%d",num_of_pages);
 	if (num_of_pages == 1)   {return 0; }  /* magnitude of 0 = 1 page */
@@ -1327,7 +1327,7 @@ pages_to_order_of_mag(int num_of_pages)
 	if (order_of_mag > 9) { order_of_mag = 9; }  /* I know it's paranoid */
 #ifdef FUNCTRACE
         printk(KERN_INFO "%s Exit on line %d, order = %d\n",
-	__FUNCTION__,__LINE__, order_of_mag);
+	__func__,__LINE__, order_of_mag);
 #endif
 	CLAW_DBF_TEXT_(5,trace,"mag%d",order_of_mag);
 	return order_of_mag;
@@ -1349,7 +1349,7 @@ add_claw_reads(struct net_device *dev, struct ccwbk* p_first,
         struct ccwbk*  p_buf;
 #endif
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s:%s Enter  \n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s Enter  \n",dev->name,__func__);
 #endif
 #ifdef DEBUGMSG
         printk(KERN_INFO "dev\n");
@@ -1369,7 +1369,7 @@ add_claw_reads(struct net_device *dev, struct ccwbk* p_first,
         if ( p_first==NULL) {
 #ifdef FUNCTRACE
 		printk(KERN_INFO "%s:%s Exit on line %d\n",
-			dev->name,__FUNCTION__,__LINE__);
+			dev->name,__func__,__LINE__);
 #endif
 		CLAW_DBF_TEXT(4,trace,"addexit");
                 return 0;
@@ -1400,9 +1400,9 @@ add_claw_reads(struct net_device *dev, struct ccwbk* p_first,
         if ( privptr-> p_read_active_first ==NULL ) {
 #ifdef DEBUGMSG
                 printk(KERN_INFO "%s:%s p_read_active_first == NULL \n",
-			dev->name,__FUNCTION__);
+			dev->name,__func__);
                 printk(KERN_INFO "%s:%s Read active first/last changed \n",
-			dev->name,__FUNCTION__);
+			dev->name,__func__);
 #endif
                 privptr-> p_read_active_first= p_first;  /*    set new first */
                 privptr-> p_read_active_last = p_last;   /*    set new last  */
@@ -1411,7 +1411,7 @@ add_claw_reads(struct net_device *dev, struct ccwbk* p_first,
 
 #ifdef DEBUGMSG
                 printk(KERN_INFO "%s:%s Read in progress \n",
-		dev->name,__FUNCTION__);
+		dev->name,__func__);
 #endif
                 /* set up TIC ccw  */
                 temp_ccw.cda= (__u32)__pa(&p_first->read);
@@ -1450,15 +1450,15 @@ add_claw_reads(struct net_device *dev, struct ccwbk* p_first,
                 privptr->p_read_active_last=p_last;
         } /* end of if ( privptr-> p_read_active_first ==NULL)  */
 #ifdef IOTRACE
-        printk(KERN_INFO "%s:%s  dump p_last CCW BK \n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s  dump p_last CCW BK \n",dev->name,__func__);
         dumpit((char *)p_last, sizeof(struct ccwbk));
-        printk(KERN_INFO "%s:%s  dump p_end CCW BK \n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s  dump p_end CCW BK \n",dev->name,__func__);
         dumpit((char *)p_end, sizeof(struct endccw));
 
-        printk(KERN_INFO "%s:%s dump p_first CCW BK \n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s dump p_first CCW BK \n",dev->name,__func__);
         dumpit((char *)p_first, sizeof(struct ccwbk));
         printk(KERN_INFO "%s:%s Dump Active CCW chain \n",
-		dev->name,__FUNCTION__);
+		dev->name,__func__);
         p_buf=privptr->p_read_active_first;
         while (p_buf!=NULL) {
                 dumpit((char *)p_buf, sizeof(struct ccwbk));
@@ -1467,7 +1467,7 @@ add_claw_reads(struct net_device *dev, struct ccwbk* p_first,
 #endif
 #ifdef FUNCTRACE
 	printk(KERN_INFO "%s:%s Exit on line %d\n",
-		dev->name,__FUNCTION__,__LINE__);
+		dev->name,__func__,__LINE__);
 #endif
 	CLAW_DBF_TEXT(4,trace,"addexit");
         return 0;
@@ -1483,7 +1483,7 @@ ccw_check_return_code(struct ccw_device *cdev, int return_code)
 {
 #ifdef FUNCTRACE
         printk(KERN_INFO "%s: %s() > enter  \n",
-		cdev->dev.bus_id,__FUNCTION__);
+		cdev->dev.bus_id,__func__);
 #endif
 	CLAW_DBF_TEXT(4,trace,"ccwret");
 #ifdef DEBUGMSG
@@ -1516,7 +1516,7 @@ ccw_check_return_code(struct ccw_device *cdev, int return_code)
         }
 #ifdef FUNCTRACE
         printk(KERN_INFO "%s: %s() > exit on line %d\n",
-		cdev->dev.bus_id,__FUNCTION__,__LINE__);
+		cdev->dev.bus_id,__func__,__LINE__);
 #endif
 	CLAW_DBF_TEXT(4,trace,"ccwret");
 }    /*    end of ccw_check_return_code   */
@@ -1531,7 +1531,7 @@ ccw_check_unit_check(struct chbk * p_ch, unsigned char sense )
 	struct net_device *dev = p_ch->ndev;
 
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s: %s() > enter\n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s: %s() > enter\n",dev->name,__func__);
 #endif
 #ifdef DEBUGMSG
         printk(KERN_INFO "%s: variable dev =\n",dev->name);
@@ -1578,7 +1578,7 @@ ccw_check_unit_check(struct chbk * p_ch, unsigned char sense )
 
 #ifdef FUNCTRACE
         printk(KERN_INFO "%s: %s() exit on line %d\n",
-		dev->name,__FUNCTION__,__LINE__);
+		dev->name,__func__,__LINE__);
 #endif
 }   /*    end of ccw_check_unit_check    */
 
@@ -1706,7 +1706,7 @@ find_link(struct net_device *dev, char *host_name, char *ws_name )
 	int    rc=0;
 
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s:%s > enter  \n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s > enter  \n",dev->name,__func__);
 #endif
 	CLAW_DBF_TEXT(2,setup,"findlink");
 #ifdef DEBUGMSG
@@ -1739,7 +1739,7 @@ find_link(struct net_device *dev, char *host_name, char *ws_name )
 
 #ifdef FUNCTRACE
         printk(KERN_INFO "%s:%s Exit on line %d\n",
-		dev->name,__FUNCTION__,__LINE__);
+		dev->name,__func__,__LINE__);
 #endif
         return 0;
 }    /*    end of find_link    */
@@ -1773,7 +1773,7 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid)
         struct ccwbk                   *p_buf;
 #endif
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s: %s() > enter\n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s: %s() > enter\n",dev->name,__func__);
 #endif
 	CLAW_DBF_TEXT(4,trace,"hw_tx");
 #ifdef DEBUGMSG
@@ -1787,7 +1787,7 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid)
         p_ch=(struct chbk *)&privptr->channel[WRITE];
 	p_env =privptr->p_env;
 #ifdef IOTRACE
-        printk(KERN_INFO "%s: %s() dump sk_buff  \n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s: %s() dump sk_buff  \n",dev->name,__func__);
         dumpit((char *)skb ,sizeof(struct sk_buff));
 #endif
 	claw_free_wrt_buf(dev);	/* Clean up free chain if posible */
@@ -1877,7 +1877,7 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid)
         while (len_of_data > 0) {
 #ifdef DEBUGMSG
                 printk(KERN_INFO "%s: %s() length-of-data is %ld \n",
-			dev->name ,__FUNCTION__,len_of_data);
+			dev->name ,__func__,len_of_data);
                 dumpit((char *)pDataAddress ,64);
 #endif
                 p_this_ccw=privptr->p_write_free_chain;  /* get a block */
@@ -1913,7 +1913,7 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid)
                 p_last_ccw=p_this_ccw;      /* save new last block */
 #ifdef IOTRACE
 		printk(KERN_INFO "%s: %s() > CCW and Buffer %ld bytes long \n",
-			dev->name,__FUNCTION__,bytesInThisBuffer);
+			dev->name,__func__,bytesInThisBuffer);
                 dumpit((char *)p_this_ccw, sizeof(struct ccwbk));
                 dumpit((char *)p_this_ccw->p_buffer, 64);
 #endif
@@ -1998,7 +1998,7 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid)
 
 #ifdef IOTRACE
         printk(KERN_INFO "%s: %s() >  Dump Active CCW chain \n",
-		dev->name,__FUNCTION__);
+		dev->name,__func__);
         p_buf=privptr->p_write_active_first;
         while (p_buf!=NULL) {
                 dumpit((char *)p_buf, sizeof(struct ccwbk));
@@ -2018,7 +2018,7 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid)
         /*      if write free count is zero , set NOBUFFER       */
 #ifdef DEBUGMSG
         printk(KERN_INFO "%s: %s() > free_count is %d\n",
-		dev->name,__FUNCTION__,
+		dev->name,__func__,
 		(int) privptr->write_free_count );
 #endif
 	if (privptr->write_free_count==0) {
@@ -2029,7 +2029,7 @@ Done2:
 Done:
 #ifdef FUNCTRACE
         printk(KERN_INFO "%s: %s() > exit on line %d, rc = %d \n",
-		dev->name,__FUNCTION__,__LINE__, rc);
+		dev->name,__func__,__LINE__, rc);
 #endif
 	return(rc);
 }    /*    end of claw_hw_tx    */
@@ -2063,7 +2063,7 @@ init_ccw_bk(struct net_device *dev)
         addr_t   real_TIC_address;
         int i,j;
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s: %s() enter  \n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s: %s() enter  \n",dev->name,__func__);
 #endif
 	CLAW_DBF_TEXT(4,trace,"init_ccw");
 #ifdef DEBUGMSG
@@ -2097,15 +2097,15 @@ init_ccw_bk(struct net_device *dev)
 #ifdef DEBUGMSG
         printk(KERN_INFO "%s: %s() "
 		"ccw_blocks_required=%d\n",
-		dev->name,__FUNCTION__,
+		dev->name,__func__,
 		ccw_blocks_required);
         printk(KERN_INFO "%s: %s() "
 		"PAGE_SIZE=0x%x\n",
-		dev->name,__FUNCTION__,
+		dev->name,__func__,
 		(unsigned int)PAGE_SIZE);
         printk(KERN_INFO "%s: %s() > "
 		"PAGE_MASK=0x%x\n",
-		dev->name,__FUNCTION__,
+		dev->name,__func__,
 		(unsigned int)PAGE_MASK);
 #endif
         /*
@@ -2117,10 +2117,10 @@ init_ccw_bk(struct net_device *dev)
 
 #ifdef DEBUGMSG
         printk(KERN_INFO "%s: %s() > ccw_blocks_perpage=%d\n",
-		dev->name,__FUNCTION__,
+		dev->name,__func__,
 		ccw_blocks_perpage);
         printk(KERN_INFO "%s: %s() > ccw_pages_required=%d\n",
-		dev->name,__FUNCTION__,
+		dev->name,__func__,
 		ccw_pages_required);
 #endif
         /*
@@ -2156,29 +2156,29 @@ init_ccw_bk(struct net_device *dev)
 #ifdef DEBUGMSG
         if (privptr->p_env->read_size < PAGE_SIZE) {
             printk(KERN_INFO "%s: %s() reads_perpage=%d\n",
-	    	dev->name,__FUNCTION__,
+		dev->name,__func__,
 		claw_reads_perpage);
         }
         else {
             printk(KERN_INFO "%s: %s() pages_perread=%d\n",
-	    	dev->name,__FUNCTION__,
+		dev->name,__func__,
 		privptr->p_buff_pages_perread);
         }
         printk(KERN_INFO "%s: %s() read_pages=%d\n",
-		dev->name,__FUNCTION__,
+		dev->name,__func__,
 		claw_read_pages);
         if (privptr->p_env->write_size < PAGE_SIZE) {
             printk(KERN_INFO "%s: %s() writes_perpage=%d\n",
-	    	dev->name,__FUNCTION__,
+		dev->name,__func__,
 		claw_writes_perpage);
         }
         else {
             printk(KERN_INFO "%s: %s() pages_perwrite=%d\n",
-	    	dev->name,__FUNCTION__,
+		dev->name,__func__,
 		privptr->p_buff_pages_perwrite);
         }
         printk(KERN_INFO "%s: %s() write_pages=%d\n",
-		dev->name,__FUNCTION__,
+		dev->name,__func__,
 		claw_write_pages);
 #endif
 
@@ -2194,12 +2194,12 @@ init_ccw_bk(struct net_device *dev)
                         printk(KERN_INFO "%s: %s()  "
 				"__get_free_pages for CCWs failed : "
 				"pages is %d\n",
-                                dev->name,__FUNCTION__,
+				dev->name,__func__,
 				ccw_pages_required );
 #ifdef FUNCTRACE
                         printk(KERN_INFO "%s: %s() > "
 				"exit on line %d, rc = ENOMEM\n",
-				dev->name,__FUNCTION__,
+				dev->name,__func__,
 				 __LINE__);
 #endif
                         return -ENOMEM;
@@ -2218,7 +2218,7 @@ init_ccw_bk(struct net_device *dev)
         /*                              Initialize ending CCW block       */
 #ifdef DEBUGMSG
         printk(KERN_INFO "%s: %s() begin initialize ending CCW blocks\n",
-		dev->name,__FUNCTION__);
+		dev->name,__func__);
 #endif
 
         p_endccw=privptr->p_end_ccw;
@@ -2276,7 +2276,7 @@ init_ccw_bk(struct net_device *dev)
 
 #ifdef IOTRACE
         printk(KERN_INFO "%s: %s() dump claw ending CCW BK \n",
-		dev->name,__FUNCTION__);
+		dev->name,__func__);
         dumpit((char *)p_endccw, sizeof(struct endccw));
 #endif
 
@@ -2287,7 +2287,7 @@ init_ccw_bk(struct net_device *dev)
 
 #ifdef DEBUGMSG
         printk(KERN_INFO "%s: %s()  Begin build a chain of CCW buffer \n",
-		dev->name,__FUNCTION__);
+		dev->name,__func__);
 #endif
         p_buff=privptr->p_buff_ccw;
 
@@ -2306,7 +2306,7 @@ init_ccw_bk(struct net_device *dev)
 #ifdef DEBUGMSG
         printk(KERN_INFO "%s: %s() "
 		"End build a chain of CCW buffer \n",
-			dev->name,__FUNCTION__);
+			dev->name,__func__);
         p_buf=p_free_chain;
         while (p_buf!=NULL) {
                 dumpit((char *)p_buf, sizeof(struct ccwbk));
@@ -2321,7 +2321,7 @@ init_ccw_bk(struct net_device *dev)
 #ifdef DEBUGMSG
         printk(KERN_INFO "%s: %s() "
 		"Begin initialize ClawSignalBlock \n",
-		dev->name,__FUNCTION__);
+		dev->name,__func__);
 #endif
         if (privptr->p_claw_signal_blk==NULL) {
                 privptr->p_claw_signal_blk=p_free_chain;
@@ -2334,7 +2334,7 @@ init_ccw_bk(struct net_device *dev)
 #ifdef DEBUGMSG
         printk(KERN_INFO "%s: %s() >  End initialize "
 	 	"ClawSignalBlock\n",
-		dev->name,__FUNCTION__);
+		dev->name,__func__);
         dumpit((char *)privptr->p_claw_signal_blk, sizeof(struct ccwbk));
 #endif
 
@@ -2349,14 +2349,14 @@ init_ccw_bk(struct net_device *dev)
                 if (privptr->p_buff_write==NULL) {
                         printk(KERN_INFO "%s: %s() __get_free_pages for write"
 				" bufs failed : get is for %d pages\n",
-                                dev->name,__FUNCTION__,claw_write_pages );
+				dev->name,__func__,claw_write_pages );
                         free_pages((unsigned long)privptr->p_buff_ccw,
 			   (int)pages_to_order_of_mag(privptr->p_buff_ccw_num));
                         privptr->p_buff_ccw=NULL;
 #ifdef FUNCTRACE
                         printk(KERN_INFO "%s: %s() > exit on line %d,"
 			 	"rc = ENOMEM\n",
-				dev->name,__FUNCTION__,__LINE__);
+				dev->name,__func__,__LINE__);
 #endif
                         return -ENOMEM;
                 }
@@ -2369,7 +2369,7 @@ init_ccw_bk(struct net_device *dev)
 			ccw_pages_required * PAGE_SIZE);
 #ifdef DEBUGMSG
                 printk(KERN_INFO "%s: %s() Begin build claw write free "
-			"chain \n",dev->name,__FUNCTION__);
+			"chain \n",dev->name,__func__);
 #endif
                 privptr->p_write_free_chain=NULL;
 
@@ -2409,14 +2409,14 @@ init_ccw_bk(struct net_device *dev)
 #ifdef IOTRACE
                    printk(KERN_INFO "%s:%s __get_free_pages "
 		    "for writes buf: get for %d pages\n",
-		    dev->name,__FUNCTION__,
+		    dev->name,__func__,
 		    privptr->p_buff_pages_perwrite);
 #endif
                    if (p_buff==NULL) {
 			printk(KERN_INFO "%s:%s __get_free_pages "
 			 	"for writes buf failed : get is for %d pages\n",
 				dev->name,
-				__FUNCTION__,
+				__func__,
 				privptr->p_buff_pages_perwrite );
                         free_pages((unsigned long)privptr->p_buff_ccw,
 			      (int)pages_to_order_of_mag(
@@ -2433,7 +2433,7 @@ init_ccw_bk(struct net_device *dev)
 #ifdef FUNCTRACE
                         printk(KERN_INFO "%s: %s exit on line %d, rc = ENOMEM\n",
 			dev->name,
-			__FUNCTION__,
+			__func__,
 			__LINE__);
 #endif
                         return -ENOMEM;
@@ -2466,7 +2466,7 @@ init_ccw_bk(struct net_device *dev)
 
 #ifdef DEBUGMSG
         printk(KERN_INFO "%s:%s  End build claw write free chain \n",
-	dev->name,__FUNCTION__);
+	dev->name,__func__);
         p_buf=privptr->p_write_free_chain;
         while (p_buf!=NULL) {
                 dumpit((char *)p_buf, sizeof(struct ccwbk));
@@ -2485,7 +2485,7 @@ init_ccw_bk(struct net_device *dev)
                         printk(KERN_INFO "%s: %s() "
 			 	"__get_free_pages for read buf failed : "
 			 	"get is for %d pages\n",
-                                dev->name,__FUNCTION__,claw_read_pages );
+				dev->name,__func__,claw_read_pages );
                         free_pages((unsigned long)privptr->p_buff_ccw,
 				(int)pages_to_order_of_mag(
 					privptr->p_buff_ccw_num));
@@ -2497,7 +2497,7 @@ init_ccw_bk(struct net_device *dev)
                         privptr->p_buff_write=NULL;
 #ifdef FUNCTRACE
                         printk(KERN_INFO "%s: %s() > exit on line %d, rc ="
-				" ENOMEM\n",dev->name,__FUNCTION__,__LINE__);
+				" ENOMEM\n",dev->name,__func__,__LINE__);
 #endif
                         return -ENOMEM;
                 }
@@ -2509,7 +2509,7 @@ init_ccw_bk(struct net_device *dev)
                 */
 #ifdef DEBUGMSG
                 printk(KERN_INFO "%s: %s() Begin build claw read free chain \n",
-			dev->name,__FUNCTION__);
+			dev->name,__func__);
 #endif
                 p_buff=privptr->p_buff_read;
                 for (i=0 ; i< privptr->p_env->read_buffers ; i++) {
@@ -2590,7 +2590,7 @@ init_ccw_bk(struct net_device *dev)
 
 #ifdef DEBUGMSG
         printk(KERN_INFO "%s: %s() Begin build claw read free chain \n",
-		dev->name,__FUNCTION__);
+		dev->name,__func__);
 #endif
                 for (i=0 ; i< privptr->p_env->read_buffers ; i++) {
                         p_buff = (void *)__get_free_pages(__GFP_DMA,
@@ -2598,7 +2598,7 @@ init_ccw_bk(struct net_device *dev)
                         if (p_buff==NULL) {
                                 printk(KERN_INFO "%s: %s() __get_free_pages for read "
 					"buf failed : get is for %d pages\n",
-					dev->name,__FUNCTION__,
+					dev->name,__func__,
                                         privptr->p_buff_pages_perread );
                                 free_pages((unsigned long)privptr->p_buff_ccw,
 					(int)pages_to_order_of_mag(privptr->p_buff_ccw_num));
@@ -2622,7 +2622,7 @@ init_ccw_bk(struct net_device *dev)
                                 privptr->p_buff_write=NULL;
 #ifdef FUNCTRACE
                                 printk(KERN_INFO "%s: %s() exit on line %d, rc = ENOMEM\n",
-					dev->name,__FUNCTION__,
+					dev->name,__func__,
 					__LINE__);
 #endif
                                 return -ENOMEM;
@@ -2695,7 +2695,7 @@ init_ccw_bk(struct net_device *dev)
         }       /*  pBuffread = NULL */
 #ifdef DEBUGMSG
         printk(KERN_INFO "%s: %s() >  End build claw read free chain \n",
-		dev->name,__FUNCTION__);
+		dev->name,__func__);
         p_buf=p_first_CCWB;
         while (p_buf!=NULL) {
                 dumpit((char *)p_buf, sizeof(struct ccwbk));
@@ -2707,7 +2707,7 @@ init_ccw_bk(struct net_device *dev)
 	privptr->buffs_alloc = 1;
 #ifdef FUNCTRACE
         printk(KERN_INFO "%s: %s() exit on line %d\n",
-		dev->name,__FUNCTION__,__LINE__);
+		dev->name,__func__,__LINE__);
 #endif
         return 0;
 }    /*    end of init_ccw_bk */
@@ -2723,11 +2723,11 @@ probe_error( struct ccwgroup_device *cgdev)
 {
   struct claw_privbk *privptr;
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s enter  \n",__FUNCTION__);
+	printk(KERN_INFO "%s enter  \n",__func__);
 #endif
 	CLAW_DBF_TEXT(4,trace,"proberr");
 #ifdef DEBUGMSG
-        printk(KERN_INFO "%s variable cgdev =\n",__FUNCTION__);
+	printk(KERN_INFO "%s variable cgdev =\n",__func__);
         dumpit((char *) cgdev, sizeof(struct ccwgroup_device));
 #endif
         privptr=(struct claw_privbk *)cgdev->dev.driver_data;
@@ -2741,7 +2741,7 @@ probe_error( struct ccwgroup_device *cgdev)
         }
 #ifdef FUNCTRACE
         printk(KERN_INFO "%s > exit on line %d\n",
-		 __FUNCTION__,__LINE__);
+		 __func__,__LINE__);
 #endif
 
         return;
@@ -2772,7 +2772,7 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
         struct chbk *p_ch = NULL;
 #ifdef FUNCTRACE
         printk(KERN_INFO "%s: %s() > enter  \n",
-		dev->name,__FUNCTION__);
+		dev->name,__func__);
 #endif
 	CLAW_DBF_TEXT(2,setup,"clw_cntl");
 #ifdef DEBUGMSG
@@ -2794,7 +2794,7 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
 #ifdef FUNCTRACE
                 printk(KERN_INFO "%s: %s() > "
 			"exit on line %d, rc=0\n",
-			dev->name,__FUNCTION__,__LINE__);
+			dev->name,__func__,__LINE__);
 #endif
                 return 0;
         }
@@ -3057,7 +3057,7 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
 
 #ifdef FUNCTRACE
         printk(KERN_INFO "%s: %s() exit on line %d, rc = 0\n",
-		dev->name,__FUNCTION__,__LINE__);
+		dev->name,__func__,__LINE__);
 #endif
 
         return 0;
@@ -3080,7 +3080,7 @@ claw_send_control(struct net_device *dev, __u8 type, __u8 link,
         struct sk_buff 			*skb;
 
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s:%s > enter  \n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s > enter  \n",dev->name,__func__);
 #endif
 	CLAW_DBF_TEXT(2,setup,"sndcntl");
 #ifdef DEBUGMSG
@@ -3143,10 +3143,10 @@ claw_send_control(struct net_device *dev, __u8 type, __u8 link,
         skb = dev_alloc_skb(sizeof(struct clawctl));
         if (!skb) {
                 printk(  "%s:%s low on mem, returning...\n",
-			dev->name,__FUNCTION__);
+			dev->name,__func__);
 #ifdef DEBUG
                 printk(KERN_INFO "%s:%s Exit, rc = ENOMEM\n",
-			dev->name,__FUNCTION__);
+			dev->name,__func__);
 #endif
                 return -ENOMEM;
         }
@@ -3162,7 +3162,7 @@ claw_send_control(struct net_device *dev, __u8 type, __u8 link,
         	claw_hw_tx(skb, dev, 0);
 #ifdef FUNCTRACE
         printk(KERN_INFO "%s:%s Exit on line %d\n",
-		dev->name,__FUNCTION__,__LINE__);
+		dev->name,__func__,__LINE__);
 #endif
 
         return 0;
@@ -3180,7 +3180,7 @@ claw_snd_conn_req(struct net_device *dev, __u8 link)
         struct clawctl 	   *p_ctl;
 
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s:%s Enter  \n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s Enter  \n",dev->name,__func__);
 #endif
 	CLAW_DBF_TEXT(2,setup,"snd_conn");
 #ifdef  DEBUGMSG
@@ -3193,7 +3193,7 @@ claw_snd_conn_req(struct net_device *dev, __u8 link)
         if ( privptr->system_validate_comp==0x00 ) {
 #ifdef FUNCTRACE
                 printk(KERN_INFO "%s:%s Exit on line %d, rc = 1\n",
-			dev->name,__FUNCTION__,__LINE__);
+			dev->name,__func__,__LINE__);
 #endif
                 return rc;
         }
@@ -3209,7 +3209,7 @@ claw_snd_conn_req(struct net_device *dev, __u8 link)
        			HOST_APPL_NAME, privptr->p_env->api_type);
 #ifdef FUNCTRACE
         printk(KERN_INFO "%s:%s Exit on line %d, rc = %d\n",
-		dev->name,__FUNCTION__,__LINE__, rc);
+		dev->name,__func__,__LINE__, rc);
 #endif
         return rc;
 
@@ -3228,7 +3228,7 @@ claw_snd_disc(struct net_device *dev, struct clawctl * p_ctl)
         struct conncmd *  p_connect;
 
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s:%s Enter\n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s Enter\n",dev->name,__func__);
 #endif
 	CLAW_DBF_TEXT(2,setup,"snd_dsc");
 #ifdef  DEBUGMSG
@@ -3244,7 +3244,7 @@ claw_snd_disc(struct net_device *dev, struct clawctl * p_ctl)
                 p_connect->host_name, p_connect->WS_name);
 #ifdef FUNCTRACE
         printk(KERN_INFO "%s:%s Exit on line %d, rc = %d\n",
-		dev->name,__FUNCTION__, __LINE__, rc);
+		dev->name,__func__, __LINE__, rc);
 #endif
         return rc;
 }     /*   end of claw_snd_disc    */
@@ -3265,7 +3265,7 @@ claw_snd_sys_validate_rsp(struct net_device *dev,
 
 #ifdef FUNCTRACE
         printk(KERN_INFO "%s:%s Enter\n",
-		dev->name,__FUNCTION__);
+		dev->name,__func__);
 #endif
 	CLAW_DBF_TEXT(2,setup,"chkresp");
 #ifdef DEBUGMSG
@@ -3285,7 +3285,7 @@ claw_snd_sys_validate_rsp(struct net_device *dev,
 		p_env->adapter_name  );
 #ifdef FUNCTRACE
         printk(KERN_INFO "%s:%s Exit on line %d, rc = %d\n",
-		dev->name,__FUNCTION__,__LINE__, rc);
+		dev->name,__func__,__LINE__, rc);
 #endif
         return rc;
 }     /*    end of claw_snd_sys_validate_rsp    */
@@ -3301,7 +3301,7 @@ claw_strt_conn_req(struct net_device *dev )
         int rc;
 
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s:%s Enter\n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s Enter\n",dev->name,__func__);
 #endif
 	CLAW_DBF_TEXT(2,setup,"conn_req");
 #ifdef DEBUGMSG
@@ -3311,7 +3311,7 @@ claw_strt_conn_req(struct net_device *dev )
         rc=claw_snd_conn_req(dev, 1);
 #ifdef FUNCTRACE
         printk(KERN_INFO "%s:%s Exit on line %d, rc = %d\n",
-		dev->name,__FUNCTION__,__LINE__, rc);
+		dev->name,__func__,__LINE__, rc);
 #endif
         return rc;
 }    /*   end of claw_strt_conn_req   */
@@ -3327,13 +3327,13 @@ net_device_stats *claw_stats(struct net_device *dev)
 {
         struct claw_privbk *privptr;
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s:%s Enter\n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s Enter\n",dev->name,__func__);
 #endif
 	CLAW_DBF_TEXT(4,trace,"stats");
         privptr = dev->priv;
 #ifdef FUNCTRACE
         printk(KERN_INFO "%s:%s Exit on line %d\n",
-		dev->name,__FUNCTION__,__LINE__);
+		dev->name,__func__,__LINE__);
 #endif
         return &privptr->stats;
 }     /*   end of claw_stats   */
@@ -3366,7 +3366,7 @@ unpack_read(struct net_device *dev )
 	int     p=0;
 
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s:%s enter  \n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s enter  \n",dev->name,__func__);
 #endif
 	CLAW_DBF_TEXT(4,trace,"unpkread");
         p_first_ccw=NULL;
@@ -3408,7 +3408,7 @@ unpack_read(struct net_device *dev )
                 if ((p_this_ccw->header.opcode & MORE_to_COME_FLAG)!=0) {
 #ifdef DEBUGMSG
                         printk(KERN_INFO "%s: %s > More_to_come is ON\n",
-			dev->name,__FUNCTION__);
+			dev->name,__func__);
 #endif
                         mtc_this_frm=1;
                         if (p_this_ccw->header.length!=
@@ -3435,7 +3435,7 @@ unpack_read(struct net_device *dev )
 #ifdef DEBUGMSG
                         printk(KERN_INFO "%s:%s goto next "
 				"frame from MoretoComeSkip \n",
-				dev->name,__FUNCTION__);
+				dev->name,__func__);
 #endif
                         goto NextFrame;
                 }
@@ -3445,7 +3445,7 @@ unpack_read(struct net_device *dev )
 #ifdef DEBUGMSG
                         printk(KERN_INFO "%s:%s goto next "
 				"frame from claw_process_control \n",
-				dev->name,__FUNCTION__);
+				dev->name,__func__);
 #endif
 			CLAW_DBF_TEXT(4,trace,"UnpkCntl");
                         goto NextFrame;
@@ -3468,7 +3468,7 @@ unpack_next:
                 if (privptr->mtc_logical_link<0) {
 #ifdef DEBUGMSG
                 printk(KERN_INFO "%s: %s mtc_logical_link < 0  \n",
-			dev->name,__FUNCTION__);
+			dev->name,__func__);
 #endif
 
                 /*
@@ -3487,7 +3487,7 @@ unpack_next:
                         printk(KERN_INFO "%s: %s > goto next "
 				"frame from MoretoComeSkip \n",
 				dev->name,
-				__FUNCTION__);
+				__func__);
                         printk(KERN_INFO "      bytes_to_mov %d > (MAX_ENVELOPE_"
 				"SIZE-privptr->mtc_offset %d)\n",
 				bytes_to_mov,(MAX_ENVELOPE_SIZE- privptr->mtc_offset));
@@ -3505,13 +3505,13 @@ unpack_next:
 		}
 #ifdef DEBUGMSG
                 printk(KERN_INFO "%s: %s() received data \n",
-			dev->name,__FUNCTION__);
+			dev->name,__func__);
 		if (p_env->packing == DO_PACKED)
 			dumpit((char *)p_packd+sizeof(struct clawph),32);
 		else
 	                dumpit((char *)p_this_ccw->p_buffer, 32);
 		printk(KERN_INFO "%s: %s() bytelength %d \n",
-			dev->name,__FUNCTION__,bytes_to_mov);
+			dev->name,__func__,bytes_to_mov);
 #endif
                 if (mtc_this_frm==0) {
                         len_of_data=privptr->mtc_offset+bytes_to_mov;
@@ -3530,13 +3530,13 @@ unpack_next:
 #ifdef DEBUGMSG
                                 printk(KERN_INFO "%s: %s() netif_"
 					"rx(skb) completed \n",
-					dev->name,__FUNCTION__);
+					dev->name,__func__);
 #endif
                         }
                         else {
                                 privptr->stats.rx_dropped++;
                                 printk(KERN_WARNING "%s: %s() low on memory\n",
-				dev->name,__FUNCTION__);
+				dev->name,__func__);
                         }
                         privptr->mtc_offset=0;
                         privptr->mtc_logical_link=-1;
@@ -3575,10 +3575,10 @@ NextFrame:
 
 #ifdef IOTRACE
         printk(KERN_INFO "%s:%s processed frame is %d \n",
-		dev->name,__FUNCTION__,i);
+		dev->name,__func__,i);
         printk(KERN_INFO "%s:%s  F:%lx L:%lx\n",
 		dev->name,
-		__FUNCTION__,
+		__func__,
 		(unsigned long)p_first_ccw,
 		(unsigned long)p_last_ccw);
 #endif
@@ -3588,7 +3588,7 @@ NextFrame:
         claw_strt_read(dev, LOCK_YES);
 #ifdef FUNCTRACE
         printk(KERN_INFO "%s: %s exit on line %d\n",
-		dev->name, __FUNCTION__, __LINE__);
+		dev->name, __func__, __LINE__);
 #endif
         return;
 }     /*  end of unpack_read   */
@@ -3610,7 +3610,7 @@ claw_strt_read (struct net_device *dev, int lock )
         p_ch=&privptr->channel[READ];
 
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s:%s Enter  \n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s Enter  \n",dev->name,__func__);
         printk(KERN_INFO "%s: variable lock = %d, dev =\n",dev->name, lock);
         dumpit((char *) dev, sizeof(struct net_device));
 #endif
@@ -3626,7 +3626,7 @@ claw_strt_read (struct net_device *dev, int lock )
         }
 #ifdef DEBUGMSG
         printk(KERN_INFO "%s:%s state-%02x\n" ,
-		dev->name,__FUNCTION__, p_ch->claw_state);
+		dev->name,__func__, p_ch->claw_state);
 #endif
         if (lock==LOCK_YES) {
                 spin_lock_irqsave(get_ccwdev_lock(p_ch->cdev), saveflags);
@@ -3634,7 +3634,7 @@ claw_strt_read (struct net_device *dev, int lock )
         if (test_and_set_bit(0, (void *)&p_ch->IO_active) == 0) {
 #ifdef DEBUGMSG
                 printk(KERN_INFO "%s: HOT READ started in %s\n" ,
-			dev->name,__FUNCTION__);
+			dev->name,__func__);
                 p_clawh=(struct clawh *)privptr->p_claw_signal_blk;
                 dumpit((char *)&p_clawh->flag , 1);
 #endif
@@ -3650,7 +3650,7 @@ claw_strt_read (struct net_device *dev, int lock )
 	else {
 #ifdef DEBUGMSG
 		printk(KERN_INFO "%s: No READ started by %s() In progress\n" ,
-			dev->name,__FUNCTION__);
+			dev->name,__func__);
 #endif
 		CLAW_DBF_TEXT(2,trace,"ReadAct");
 	}
@@ -3660,7 +3660,7 @@ claw_strt_read (struct net_device *dev, int lock )
         }
 #ifdef FUNCTRACE
         printk(KERN_INFO "%s:%s Exit on line %d\n",
-		dev->name,__FUNCTION__,__LINE__);
+		dev->name,__func__,__LINE__);
 #endif
 	CLAW_DBF_TEXT(4,trace,"StRdExit");
         return;
@@ -3681,7 +3681,7 @@ claw_strt_out_IO( struct net_device *dev )
         struct ccwbk   	*p_first_ccw;
 
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s:%s Enter\n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s Enter\n",dev->name,__func__);
 #endif
 	if (!dev) {
 		return;
@@ -3691,7 +3691,7 @@ claw_strt_out_IO( struct net_device *dev )
 
 #ifdef DEBUGMSG
         printk(KERN_INFO "%s:%s state-%02x\n" ,
-		dev->name,__FUNCTION__,p_ch->claw_state);
+		dev->name,__func__,p_ch->claw_state);
 #endif
         CLAW_DBF_TEXT(4,trace,"strt_io");
         p_first_ccw=privptr->p_write_active_first;
@@ -3701,14 +3701,14 @@ claw_strt_out_IO( struct net_device *dev )
         if (p_first_ccw == NULL) {
 #ifdef FUNCTRACE
                 printk(KERN_INFO "%s:%s Exit on line %d\n",
-			dev->name,__FUNCTION__,__LINE__);
+			dev->name,__func__,__LINE__);
 #endif
                 return;
         }
         if (test_and_set_bit(0, (void *)&p_ch->IO_active) == 0) {
                 parm = (unsigned long) p_ch;
 #ifdef DEBUGMSG
-                printk(KERN_INFO "%s:%s do_io \n" ,dev->name,__FUNCTION__);
+		printk(KERN_INFO "%s:%s do_io \n" ,dev->name,__func__);
                 dumpit((char *)p_first_ccw, sizeof(struct ccwbk));
 #endif
 		CLAW_DBF_TEXT(2,trace,"StWrtIO");
@@ -3721,7 +3721,7 @@ claw_strt_out_IO( struct net_device *dev )
         dev->trans_start = jiffies;
 #ifdef FUNCTRACE
 	printk(KERN_INFO "%s:%s Exit on line %d\n",
-		dev->name,__FUNCTION__,__LINE__);
+		dev->name,__func__,__LINE__);
 #endif
 
         return;
@@ -3745,7 +3745,7 @@ claw_free_wrt_buf( struct net_device *dev )
         struct ccwbk*p_buf;
 #endif
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s:%s Enter\n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s Enter\n",dev->name,__func__);
         printk(KERN_INFO "%s: free count = %d  variable dev =\n",
 		dev->name,privptr->write_free_count);
 #endif
@@ -3798,7 +3798,7 @@ claw_free_wrt_buf( struct net_device *dev )
                 privptr->p_write_active_last=NULL;
 #ifdef DEBUGMSG
                 printk(KERN_INFO "%s:%s p_write_"
-			"active_first==NULL\n",dev->name,__FUNCTION__);
+			"active_first==NULL\n",dev->name,__func__);
 #endif
         }
 #ifdef IOTRACE
@@ -3819,7 +3819,7 @@ claw_free_wrt_buf( struct net_device *dev )
 	CLAW_DBF_TEXT_(4,trace,"FWC=%d",privptr->write_free_count);
 #ifdef FUNCTRACE
         printk(KERN_INFO "%s:%s Exit on line %d free_count =%d\n",
-		dev->name,__FUNCTION__, __LINE__,privptr->write_free_count);
+		dev->name,__func__, __LINE__,privptr->write_free_count);
 #endif
         return;
 }
@@ -3833,7 +3833,7 @@ claw_free_netdevice(struct net_device * dev, int free_dev)
 {
 	struct claw_privbk *privptr;
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s:%s Enter\n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s Enter\n",dev->name,__func__);
 #endif
 	CLAW_DBF_TEXT(2,setup,"free_dev");
 
@@ -3854,7 +3854,7 @@ claw_free_netdevice(struct net_device * dev, int free_dev)
 #endif
 	CLAW_DBF_TEXT(2,setup,"feee_ok");
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s:%s Exit\n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s Exit\n",dev->name,__func__);
 #endif
 }
 
@@ -3867,13 +3867,13 @@ static void
 claw_init_netdevice(struct net_device * dev)
 {
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s:%s Enter\n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s Enter\n",dev->name,__func__);
 #endif
 	CLAW_DBF_TEXT(2,setup,"init_dev");
 	CLAW_DBF_TEXT_(2,setup,"%s",dev->name);
 	if (!dev) {
         printk(KERN_WARNING "claw:%s BAD Device exit line %d\n",
-		__FUNCTION__,__LINE__);
+		__func__,__LINE__);
 		CLAW_DBF_TEXT(2,setup,"baddev");
 		return;
 	}
@@ -3889,7 +3889,7 @@ claw_init_netdevice(struct net_device * dev)
 	dev->tx_queue_len = 1300;
 	dev->flags = IFF_POINTOPOINT | IFF_NOARP;
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s:%s Exit\n",dev->name,__FUNCTION__);
+	printk(KERN_INFO "%s:%s Exit\n",dev->name,__func__);
 #endif
 	CLAW_DBF_TEXT(2,setup,"initok");
 	return;
@@ -3909,7 +3909,7 @@ add_channel(struct ccw_device *cdev,int i,struct claw_privbk *privptr)
 	struct ccw_dev_id dev_id;
 
 #ifdef FUNCTRACE
-        printk(KERN_INFO "%s:%s Enter\n",cdev->dev.bus_id,__FUNCTION__);
+	printk(KERN_INFO "%s:%s Enter\n",cdev->dev.bus_id,__func__);
 #endif
 	CLAW_DBF_TEXT_(2,setup,"%s",cdev->dev.bus_id);
 	privptr->channel[i].flag  = i+1;   /* Read is 1 Write is 2 */
@@ -3920,16 +3920,16 @@ add_channel(struct ccw_device *cdev,int i,struct claw_privbk *privptr)
 	p_ch->devno = dev_id.devno;
 	if ((p_ch->irb = kzalloc(sizeof (struct irb),GFP_KERNEL)) == NULL) {
 		printk(KERN_WARNING "%s Out of memory in %s for irb\n",
-			p_ch->id,__FUNCTION__);
+			p_ch->id,__func__);
 #ifdef FUNCTRACE
         	printk(KERN_INFO "%s:%s Exit on line %d\n",
-			p_ch->id,__FUNCTION__,__LINE__);
+			p_ch->id,__func__,__LINE__);
 #endif
 		return -ENOMEM;
 	}
 #ifdef FUNCTRACE
         	printk(KERN_INFO "%s:%s Exit on line %d\n",
-			cdev->dev.bus_id,__FUNCTION__,__LINE__);
+			cdev->dev.bus_id,__func__,__LINE__);
 #endif
 	return 0;
 }
@@ -3952,7 +3952,7 @@ claw_new_device(struct ccwgroup_device *cgdev)
 	int ret;
 	struct ccw_dev_id dev_id;
 
-	pr_debug("%s() called\n", __FUNCTION__);
+	pr_debug("%s() called\n", __func__);
 	printk(KERN_INFO "claw: add for %s\n",cgdev->cdev[READ]->dev.bus_id);
 	CLAW_DBF_TEXT(2,setup,"new_dev");
 	privptr = cgdev->dev.driver_data;
@@ -3990,7 +3990,7 @@ claw_new_device(struct ccwgroup_device *cgdev)
 	}
 	dev = alloc_netdev(0,"claw%d",claw_init_netdevice);
 	if (!dev) {
-		printk(KERN_WARNING "%s:alloc_netdev failed\n",__FUNCTION__);
+		printk(KERN_WARNING "%s:alloc_netdev failed\n",__func__);
 		goto out;
 	}
 	dev->priv = privptr;
@@ -4065,7 +4065,7 @@ claw_shutdown_device(struct ccwgroup_device *cgdev)
 	struct net_device *ndev;
 	int	ret;
 
-	pr_debug("%s() called\n", __FUNCTION__);
+	pr_debug("%s() called\n", __func__);
 	CLAW_DBF_TEXT_(2,setup,"%s",cgdev->dev.bus_id);
 	priv = cgdev->dev.driver_data;
 	if (!priv)
@@ -4095,15 +4095,15 @@ claw_remove_device(struct ccwgroup_device *cgdev)
 {
 	struct claw_privbk *priv;
 
-	pr_debug("%s() called\n", __FUNCTION__);
+	pr_debug("%s() called\n", __func__);
 	CLAW_DBF_TEXT_(2,setup,"%s",cgdev->dev.bus_id);
 	priv = cgdev->dev.driver_data;
 	if (!priv) {
-		printk(KERN_WARNING "claw: %s() no Priv exiting\n",__FUNCTION__);
+		printk(KERN_WARNING "claw: %s() no Priv exiting\n",__func__);
 		return;
 	}
 	printk(KERN_INFO "claw: %s() called %s will be removed.\n",
-			__FUNCTION__,cgdev->cdev[0]->dev.bus_id);
+			__func__,cgdev->cdev[0]->dev.bus_id);
 	if (cgdev->state == CCWGROUP_ONLINE)
 		claw_shutdown_device(cgdev);
 	claw_remove_files(&cgdev->dev);
@@ -4346,7 +4346,7 @@ static struct attribute_group claw_attr_group = {
 static int
 claw_add_files(struct device *dev)
 {
-	pr_debug("%s() called\n", __FUNCTION__);
+	pr_debug("%s() called\n", __func__);
 	CLAW_DBF_TEXT(2,setup,"add_file");
 	return sysfs_create_group(&dev->kobj, &claw_attr_group);
 }
@@ -4354,7 +4354,7 @@ claw_add_files(struct device *dev)
 static void
 claw_remove_files(struct device *dev)
 {
-	pr_debug("%s() called\n", __FUNCTION__);
+	pr_debug("%s() called\n", __func__);
 	CLAW_DBF_TEXT(2,setup,"rem_file");
 	sysfs_remove_group(&dev->kobj, &claw_attr_group);
 }
@@ -4385,12 +4385,12 @@ claw_init(void)
 	printk(KERN_INFO "claw: starting driver\n");
 
 #ifdef FUNCTRACE
-        printk(KERN_INFO "claw: %s() enter \n",__FUNCTION__);
+	printk(KERN_INFO "claw: %s() enter \n",__func__);
 #endif
 	ret = claw_register_debug_facility();
 	if (ret) {
 		printk(KERN_WARNING "claw: %s() debug_register failed %d\n",
-			__FUNCTION__,ret);
+			__func__,ret);
 		return ret;
 	}
 	CLAW_DBF_TEXT(2,setup,"init_mod");
@@ -4398,10 +4398,10 @@ claw_init(void)
 	if (ret) {
 		claw_unregister_debug_facility();
 		printk(KERN_WARNING "claw; %s() cu3088 register failed %d\n",
-			__FUNCTION__,ret);
+			__func__,ret);
 	}
 #ifdef FUNCTRACE
-        printk(KERN_INFO "claw: %s() exit \n",__FUNCTION__);
+	printk(KERN_INFO "claw: %s() exit \n",__func__);
 #endif
 	return ret;
 }
diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
index 874a1999448..8f876f6ab36 100644
--- a/drivers/s390/net/netiucv.c
+++ b/drivers/s390/net/netiucv.c
@@ -670,7 +670,7 @@ static void conn_action_rx(fsm_instance *fi, int event, void *arg)
 	struct netiucv_priv *privptr = netdev_priv(conn->netdev);
 	int rc;
 
-	IUCV_DBF_TEXT(trace, 4, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 4, __func__);
 
 	if (!conn->netdev) {
 		iucv_message_reject(conn->path, msg);
@@ -718,7 +718,7 @@ static void conn_action_txdone(fsm_instance *fi, int event, void *arg)
 	struct ll_header header;
 	int rc;
 
-	IUCV_DBF_TEXT(trace, 4, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 4, __func__);
 
 	if (conn && conn->netdev)
 		privptr = netdev_priv(conn->netdev);
@@ -799,7 +799,7 @@ static void conn_action_connaccept(fsm_instance *fi, int event, void *arg)
 	struct netiucv_priv *privptr = netdev_priv(netdev);
 	int rc;
 
-	IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 3, __func__);
 
 	conn->path = path;
 	path->msglim = NETIUCV_QUEUELEN_DEFAULT;
@@ -821,7 +821,7 @@ static void conn_action_connreject(fsm_instance *fi, int event, void *arg)
 	struct iucv_event *ev = arg;
 	struct iucv_path *path = ev->data;
 
-	IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 3, __func__);
 	iucv_path_sever(path, NULL);
 }
 
@@ -831,7 +831,7 @@ static void conn_action_connack(fsm_instance *fi, int event, void *arg)
 	struct net_device *netdev = conn->netdev;
 	struct netiucv_priv *privptr = netdev_priv(netdev);
 
-	IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 3, __func__);
 	fsm_deltimer(&conn->timer);
 	fsm_newstate(fi, CONN_STATE_IDLE);
 	netdev->tx_queue_len = conn->path->msglim;
@@ -842,7 +842,7 @@ static void conn_action_conntimsev(fsm_instance *fi, int event, void *arg)
 {
 	struct iucv_connection *conn = arg;
 
-	IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 3, __func__);
 	fsm_deltimer(&conn->timer);
 	iucv_path_sever(conn->path, NULL);
 	fsm_newstate(fi, CONN_STATE_STARTWAIT);
@@ -854,7 +854,7 @@ static void conn_action_connsever(fsm_instance *fi, int event, void *arg)
 	struct net_device *netdev = conn->netdev;
 	struct netiucv_priv *privptr = netdev_priv(netdev);
 
-	IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 3, __func__);
 
 	fsm_deltimer(&conn->timer);
 	iucv_path_sever(conn->path, NULL);
@@ -870,7 +870,7 @@ static void conn_action_start(fsm_instance *fi, int event, void *arg)
 	struct iucv_connection *conn = arg;
 	int rc;
 
-	IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 3, __func__);
 
 	fsm_newstate(fi, CONN_STATE_STARTWAIT);
 	PRINT_DEBUG("%s('%s'): connecting ...\n",
@@ -948,7 +948,7 @@ static void conn_action_stop(fsm_instance *fi, int event, void *arg)
 	struct net_device *netdev = conn->netdev;
 	struct netiucv_priv *privptr = netdev_priv(netdev);
 
-	IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 3, __func__);
 
 	fsm_deltimer(&conn->timer);
 	fsm_newstate(fi, CONN_STATE_STOPPED);
@@ -1024,7 +1024,7 @@ static void dev_action_start(fsm_instance *fi, int event, void *arg)
 	struct net_device   *dev = arg;
 	struct netiucv_priv *privptr = netdev_priv(dev);
 
-	IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 3, __func__);
 
 	fsm_newstate(fi, DEV_STATE_STARTWAIT);
 	fsm_event(privptr->conn->fsm, CONN_EVENT_START, privptr->conn);
@@ -1044,7 +1044,7 @@ dev_action_stop(fsm_instance *fi, int event, void *arg)
 	struct netiucv_priv *privptr = netdev_priv(dev);
 	struct iucv_event   ev;
 
-	IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 3, __func__);
 
 	ev.conn = privptr->conn;
 
@@ -1066,7 +1066,7 @@ dev_action_connup(fsm_instance *fi, int event, void *arg)
 	struct net_device   *dev = arg;
 	struct netiucv_priv *privptr = netdev_priv(dev);
 
-	IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 3, __func__);
 
 	switch (fsm_getstate(fi)) {
 		case DEV_STATE_STARTWAIT:
@@ -1097,7 +1097,7 @@ dev_action_connup(fsm_instance *fi, int event, void *arg)
 static void
 dev_action_conndown(fsm_instance *fi, int event, void *arg)
 {
-	IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 3, __func__);
 
 	switch (fsm_getstate(fi)) {
 		case DEV_STATE_RUNNING:
@@ -1288,7 +1288,7 @@ static int netiucv_tx(struct sk_buff *skb, struct net_device *dev)
 	struct netiucv_priv *privptr = netdev_priv(dev);
 	int rc;
 
-	IUCV_DBF_TEXT(trace, 4, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 4, __func__);
 	/**
 	 * Some sanity checks ...
 	 */
@@ -1344,7 +1344,7 @@ static struct net_device_stats *netiucv_stats (struct net_device * dev)
 {
 	struct netiucv_priv *priv = netdev_priv(dev);
 
-	IUCV_DBF_TEXT(trace, 5, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 5, __func__);
 	return &priv->stats;
 }
 
@@ -1360,7 +1360,7 @@ static struct net_device_stats *netiucv_stats (struct net_device * dev)
  */
 static int netiucv_change_mtu(struct net_device * dev, int new_mtu)
 {
-	IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 3, __func__);
 	if (new_mtu < 576 || new_mtu > NETIUCV_MTU_MAX) {
 		IUCV_DBF_TEXT(setup, 2, "given MTU out of valid range\n");
 		return -EINVAL;
@@ -1378,7 +1378,7 @@ static ssize_t user_show(struct device *dev, struct device_attribute *attr,
 {
 	struct netiucv_priv *priv = dev->driver_data;
 
-	IUCV_DBF_TEXT(trace, 5, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 5, __func__);
 	return sprintf(buf, "%s\n", netiucv_printname(priv->conn->userid));
 }
 
@@ -1393,7 +1393,7 @@ static ssize_t user_write(struct device *dev, struct device_attribute *attr,
 	int 	i;
 	struct iucv_connection *cp;
 
-	IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 3, __func__);
 	if (count > 9) {
 		PRINT_WARN("netiucv: username too long (%d)!\n", (int) count);
 		IUCV_DBF_TEXT_(setup, 2,
@@ -1449,7 +1449,7 @@ static ssize_t buffer_show (struct device *dev, struct device_attribute *attr,
 			    char *buf)
 {	struct netiucv_priv *priv = dev->driver_data;
 
-	IUCV_DBF_TEXT(trace, 5, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 5, __func__);
 	return sprintf(buf, "%d\n", priv->conn->max_buffsize);
 }
 
@@ -1461,7 +1461,7 @@ static ssize_t buffer_write (struct device *dev, struct device_attribute *attr,
 	char         *e;
 	int          bs1;
 
-	IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 3, __func__);
 	if (count >= 39)
 		return -EINVAL;
 
@@ -1513,7 +1513,7 @@ static ssize_t dev_fsm_show (struct device *dev, struct device_attribute *attr,
 {
 	struct netiucv_priv *priv = dev->driver_data;
 
-	IUCV_DBF_TEXT(trace, 5, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 5, __func__);
 	return sprintf(buf, "%s\n", fsm_getstate_str(priv->fsm));
 }
 
@@ -1524,7 +1524,7 @@ static ssize_t conn_fsm_show (struct device *dev,
 {
 	struct netiucv_priv *priv = dev->driver_data;
 
-	IUCV_DBF_TEXT(trace, 5, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 5, __func__);
 	return sprintf(buf, "%s\n", fsm_getstate_str(priv->conn->fsm));
 }
 
@@ -1535,7 +1535,7 @@ static ssize_t maxmulti_show (struct device *dev,
 {
 	struct netiucv_priv *priv = dev->driver_data;
 
-	IUCV_DBF_TEXT(trace, 5, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 5, __func__);
 	return sprintf(buf, "%ld\n", priv->conn->prof.maxmulti);
 }
 
@@ -1545,7 +1545,7 @@ static ssize_t maxmulti_write (struct device *dev,
 {
 	struct netiucv_priv *priv = dev->driver_data;
 
-	IUCV_DBF_TEXT(trace, 4, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 4, __func__);
 	priv->conn->prof.maxmulti = 0;
 	return count;
 }
@@ -1557,7 +1557,7 @@ static ssize_t maxcq_show (struct device *dev, struct device_attribute *attr,
 {
 	struct netiucv_priv *priv = dev->driver_data;
 
-	IUCV_DBF_TEXT(trace, 5, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 5, __func__);
 	return sprintf(buf, "%ld\n", priv->conn->prof.maxcqueue);
 }
 
@@ -1566,7 +1566,7 @@ static ssize_t maxcq_write (struct device *dev, struct device_attribute *attr,
 {
 	struct netiucv_priv *priv = dev->driver_data;
 
-	IUCV_DBF_TEXT(trace, 4, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 4, __func__);
 	priv->conn->prof.maxcqueue = 0;
 	return count;
 }
@@ -1578,7 +1578,7 @@ static ssize_t sdoio_show (struct device *dev, struct device_attribute *attr,
 {
 	struct netiucv_priv *priv = dev->driver_data;
 
-	IUCV_DBF_TEXT(trace, 5, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 5, __func__);
 	return sprintf(buf, "%ld\n", priv->conn->prof.doios_single);
 }
 
@@ -1587,7 +1587,7 @@ static ssize_t sdoio_write (struct device *dev, struct device_attribute *attr,
 {
 	struct netiucv_priv *priv = dev->driver_data;
 
-	IUCV_DBF_TEXT(trace, 4, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 4, __func__);
 	priv->conn->prof.doios_single = 0;
 	return count;
 }
@@ -1599,7 +1599,7 @@ static ssize_t mdoio_show (struct device *dev, struct device_attribute *attr,
 {
 	struct netiucv_priv *priv = dev->driver_data;
 
-	IUCV_DBF_TEXT(trace, 5, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 5, __func__);
 	return sprintf(buf, "%ld\n", priv->conn->prof.doios_multi);
 }
 
@@ -1608,7 +1608,7 @@ static ssize_t mdoio_write (struct device *dev, struct device_attribute *attr,
 {
 	struct netiucv_priv *priv = dev->driver_data;
 
-	IUCV_DBF_TEXT(trace, 5, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 5, __func__);
 	priv->conn->prof.doios_multi = 0;
 	return count;
 }
@@ -1620,7 +1620,7 @@ static ssize_t txlen_show (struct device *dev, struct device_attribute *attr,
 {
 	struct netiucv_priv *priv = dev->driver_data;
 
-	IUCV_DBF_TEXT(trace, 5, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 5, __func__);
 	return sprintf(buf, "%ld\n", priv->conn->prof.txlen);
 }
 
@@ -1629,7 +1629,7 @@ static ssize_t txlen_write (struct device *dev, struct device_attribute *attr,
 {
 	struct netiucv_priv *priv = dev->driver_data;
 
-	IUCV_DBF_TEXT(trace, 4, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 4, __func__);
 	priv->conn->prof.txlen = 0;
 	return count;
 }
@@ -1641,7 +1641,7 @@ static ssize_t txtime_show (struct device *dev, struct device_attribute *attr,
 {
 	struct netiucv_priv *priv = dev->driver_data;
 
-	IUCV_DBF_TEXT(trace, 5, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 5, __func__);
 	return sprintf(buf, "%ld\n", priv->conn->prof.tx_time);
 }
 
@@ -1650,7 +1650,7 @@ static ssize_t txtime_write (struct device *dev, struct device_attribute *attr,
 {
 	struct netiucv_priv *priv = dev->driver_data;
 
-	IUCV_DBF_TEXT(trace, 4, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 4, __func__);
 	priv->conn->prof.tx_time = 0;
 	return count;
 }
@@ -1662,7 +1662,7 @@ static ssize_t txpend_show (struct device *dev, struct device_attribute *attr,
 {
 	struct netiucv_priv *priv = dev->driver_data;
 
-	IUCV_DBF_TEXT(trace, 5, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 5, __func__);
 	return sprintf(buf, "%ld\n", priv->conn->prof.tx_pending);
 }
 
@@ -1671,7 +1671,7 @@ static ssize_t txpend_write (struct device *dev, struct device_attribute *attr,
 {
 	struct netiucv_priv *priv = dev->driver_data;
 
-	IUCV_DBF_TEXT(trace, 4, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 4, __func__);
 	priv->conn->prof.tx_pending = 0;
 	return count;
 }
@@ -1683,7 +1683,7 @@ static ssize_t txmpnd_show (struct device *dev, struct device_attribute *attr,
 {
 	struct netiucv_priv *priv = dev->driver_data;
 
-	IUCV_DBF_TEXT(trace, 5, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 5, __func__);
 	return sprintf(buf, "%ld\n", priv->conn->prof.tx_max_pending);
 }
 
@@ -1692,7 +1692,7 @@ static ssize_t txmpnd_write (struct device *dev, struct device_attribute *attr,
 {
 	struct netiucv_priv *priv = dev->driver_data;
 
-	IUCV_DBF_TEXT(trace, 4, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 4, __func__);
 	priv->conn->prof.tx_max_pending = 0;
 	return count;
 }
@@ -1732,7 +1732,7 @@ static int netiucv_add_files(struct device *dev)
 {
 	int ret;
 
-	IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 3, __func__);
 	ret = sysfs_create_group(&dev->kobj, &netiucv_attr_group);
 	if (ret)
 		return ret;
@@ -1744,7 +1744,7 @@ static int netiucv_add_files(struct device *dev)
 
 static void netiucv_remove_files(struct device *dev)
 {
-	IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 3, __func__);
 	sysfs_remove_group(&dev->kobj, &netiucv_stat_attr_group);
 	sysfs_remove_group(&dev->kobj, &netiucv_attr_group);
 }
@@ -1756,7 +1756,7 @@ static int netiucv_register_device(struct net_device *ndev)
 	int ret;
 
 
-	IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 3, __func__);
 
 	if (dev) {
 		snprintf(dev->bus_id, BUS_ID_SIZE, "net%s", ndev->name);
@@ -1792,7 +1792,7 @@ out_unreg:
 
 static void netiucv_unregister_device(struct device *dev)
 {
-	IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 3, __func__);
 	netiucv_remove_files(dev);
 	device_unregister(dev);
 }
@@ -1857,7 +1857,7 @@ out:
  */
 static void netiucv_remove_connection(struct iucv_connection *conn)
 {
-	IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 3, __func__);
 	write_lock_bh(&iucv_connection_rwlock);
 	list_del_init(&conn->list);
 	write_unlock_bh(&iucv_connection_rwlock);
@@ -1881,7 +1881,7 @@ static void netiucv_free_netdevice(struct net_device *dev)
 {
 	struct netiucv_priv *privptr = netdev_priv(dev);
 
-	IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 3, __func__);
 
 	if (!dev)
 		return;
@@ -1963,7 +1963,7 @@ static ssize_t conn_write(struct device_driver *drv,
 	struct netiucv_priv *priv;
 	struct iucv_connection *cp;
 
-	IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 3, __func__);
 	if (count>9) {
 		PRINT_WARN("netiucv: username too long (%d)!\n", (int)count);
 		IUCV_DBF_TEXT(setup, 2, "conn_write: too long\n");
@@ -2048,7 +2048,7 @@ static ssize_t remove_write (struct device_driver *drv,
 	const char *p;
         int i;
 
-        IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 3, __func__);
 
         if (count >= IFNAMSIZ)
                 count = IFNAMSIZ - 1;;
@@ -2116,7 +2116,7 @@ static void __exit netiucv_exit(void)
 	struct netiucv_priv *priv;
 	struct device *dev;
 
-	IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
+	IUCV_DBF_TEXT(trace, 3, __func__);
 	while (!list_empty(&iucv_connection_list)) {
 		cp = list_entry(iucv_connection_list.next,
 				struct iucv_connection, list);
@@ -2146,8 +2146,7 @@ static int __init netiucv_init(void)
 	rc = iucv_register(&netiucv_handler, 1);
 	if (rc)
 		goto out_dbf;
-	IUCV_DBF_TEXT(trace, 3, __FUNCTION__);
-	netiucv_driver.groups = netiucv_drv_attr_groups;
+	IUCV_DBF_TEXT(trace, 3, __func__);
 	rc = driver_register(&netiucv_driver);
 	if (rc) {
 		PRINT_ERR("NETIUCV: failed to register driver.\n");
diff --git a/drivers/s390/s390mach.c b/drivers/s390/s390mach.c
index 644a06eba82..4d4b54277c4 100644
--- a/drivers/s390/s390mach.c
+++ b/drivers/s390/s390mach.c
@@ -59,15 +59,15 @@ repeat:
 
 			printk(KERN_WARNING"%s: Code does not support more "
 			       "than two chained crws; please report to "
-			       "linux390@de.ibm.com!\n", __FUNCTION__);
+			       "linux390@de.ibm.com!\n", __func__);
 			ccode = stcrw(&tmp_crw);
 			printk(KERN_WARNING"%s: crw reports slct=%d, oflw=%d, "
 			       "chn=%d, rsc=%X, anc=%d, erc=%X, rsid=%X\n",
-			       __FUNCTION__, tmp_crw.slct, tmp_crw.oflw,
+			       __func__, tmp_crw.slct, tmp_crw.oflw,
 			       tmp_crw.chn, tmp_crw.rsc, tmp_crw.anc,
 			       tmp_crw.erc, tmp_crw.rsid);
 			printk(KERN_WARNING"%s: This was crw number %x in the "
-			       "chain\n", __FUNCTION__, chain);
+			       "chain\n", __func__, chain);
 			if (ccode != 0)
 				break;
 			chain = tmp_crw.chn ? chain + 1 : 0;
@@ -83,7 +83,7 @@ repeat:
 		       crw[chain].rsid);
 		/* Check for overflows. */
 		if (crw[chain].oflw) {
-			pr_debug("%s: crw overflow detected!\n", __FUNCTION__);
+			pr_debug("%s: crw overflow detected!\n", __func__);
 			css_schedule_eval_all();
 			chain = 0;
 			continue;
diff --git a/drivers/s390/s390mach.h b/drivers/s390/s390mach.h
index d3ca4281a49..ca681f9b67f 100644
--- a/drivers/s390/s390mach.h
+++ b/drivers/s390/s390mach.h
@@ -105,4 +105,8 @@ static inline int stcrw(struct crw *pcrw )
 #define ED_ETR_SYNC	12	/* External damage ETR sync check */
 #define ED_ETR_SWITCH	13	/* External damage ETR switch to local */
 
+struct pt_regs;
+
+void s390_handle_mcck(void);
+void s390_do_machine_check(struct pt_regs *regs);
 #endif /* __s390mach */
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index 9e9f6c1e4e5..45a7cd98c14 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -539,7 +539,7 @@ struct zfcp_rc_entry {
 
 /* logging routine for zfcp */
 #define _ZFCP_LOG(fmt, args...) \
-	printk(KERN_ERR ZFCP_NAME": %s(%d): " fmt, __FUNCTION__, \
+	printk(KERN_ERR ZFCP_NAME": %s(%d): " fmt, __func__, \
 	       __LINE__ , ##args)
 
 #define ZFCP_LOG(level, fmt, args...) \
diff --git a/drivers/s390/sysinfo.c b/drivers/s390/sysinfo.c
index 291ff6235fe..c3e4ab07b9c 100644
--- a/drivers/s390/sysinfo.c
+++ b/drivers/s390/sysinfo.c
@@ -11,111 +11,13 @@
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <asm/ebcdic.h>
+#include <asm/sysinfo.h>
 
 /* Sigh, math-emu. Don't ask. */
 #include <asm/sfp-util.h>
 #include <math-emu/soft-fp.h>
 #include <math-emu/single.h>
 
-struct sysinfo_1_1_1 {
-	char reserved_0[32];
-	char manufacturer[16];
-	char type[4];
-	char reserved_1[12];
-	char model_capacity[16];
-	char sequence[16];
-	char plant[4];
-	char model[16];
-};
-
-struct sysinfo_1_2_1 {
-	char reserved_0[80];
-	char sequence[16];
-	char plant[4];
-	char reserved_1[2];
-	unsigned short cpu_address;
-};
-
-struct sysinfo_1_2_2 {
-	char format;
-	char reserved_0[1];
-	unsigned short acc_offset;
-	char reserved_1[24];
-	unsigned int secondary_capability;
-	unsigned int capability;
-	unsigned short cpus_total;
-	unsigned short cpus_configured;
-	unsigned short cpus_standby;
-	unsigned short cpus_reserved;
-	unsigned short adjustment[0];
-};
-
-struct sysinfo_1_2_2_extension {
-	unsigned int alt_capability;
-	unsigned short alt_adjustment[0];
-};
-
-struct sysinfo_2_2_1 {
-	char reserved_0[80];
-	char sequence[16];
-	char plant[4];
-	unsigned short cpu_id;
-	unsigned short cpu_address;
-};
-
-struct sysinfo_2_2_2 {
-	char reserved_0[32];
-	unsigned short lpar_number;
-	char reserved_1;
-	unsigned char characteristics;
-	unsigned short cpus_total;
-	unsigned short cpus_configured;
-	unsigned short cpus_standby;
-	unsigned short cpus_reserved;
-	char name[8];
-	unsigned int caf;
-	char reserved_2[16];
-	unsigned short cpus_dedicated;
-	unsigned short cpus_shared;
-};
-
-#define LPAR_CHAR_DEDICATED	(1 << 7)
-#define LPAR_CHAR_SHARED	(1 << 6)
-#define LPAR_CHAR_LIMITED	(1 << 5)
-
-struct sysinfo_3_2_2 {
-	char reserved_0[31];
-	unsigned char count;
-	struct {
-		char reserved_0[4];
-		unsigned short cpus_total;
-		unsigned short cpus_configured;
-		unsigned short cpus_standby;
-		unsigned short cpus_reserved;
-		char name[8];
-		unsigned int caf;
-		char cpi[16];
-		char reserved_1[24];
-
-	} vm[8];
-};
-
-static inline int stsi(void *sysinfo, int fc, int sel1, int sel2)
-{
-	register int r0 asm("0") = (fc << 28) | sel1;
-	register int r1 asm("1") = sel2;
-
-	asm volatile(
-		"   stsi 0(%2)\n"
-		"0: jz   2f\n"
-		"1: lhi  %0,%3\n"
-		"2:\n"
-		EX_TABLE(0b,1b)
-		: "+d" (r0) : "d" (r1), "a" (sysinfo), "K" (-ENOSYS)
-		: "cc", "memory" );
-	return r0;
-}
-
 static inline int stsi_0(void)
 {
 	int rc = stsi (NULL, 0, 0, 0);
@@ -133,6 +35,8 @@ static int stsi_1_1_1(struct sysinfo_1_1_1 *info, char *page, int len)
 	EBCASC(info->sequence, sizeof(info->sequence));
 	EBCASC(info->plant, sizeof(info->plant));
 	EBCASC(info->model_capacity, sizeof(info->model_capacity));
+	EBCASC(info->model_perm_cap, sizeof(info->model_perm_cap));
+	EBCASC(info->model_temp_cap, sizeof(info->model_temp_cap));
 	len += sprintf(page + len, "Manufacturer:         %-16.16s\n",
 		       info->manufacturer);
 	len += sprintf(page + len, "Type:                 %-4.4s\n",
@@ -155,8 +59,18 @@ static int stsi_1_1_1(struct sysinfo_1_1_1 *info, char *page, int len)
 		       info->sequence);
 	len += sprintf(page + len, "Plant:                %-4.4s\n",
 		       info->plant);
-	len += sprintf(page + len, "Model Capacity:       %-16.16s\n",
-		       info->model_capacity);
+	len += sprintf(page + len, "Model Capacity:       %-16.16s %08u\n",
+		       info->model_capacity, *(u32 *) info->model_cap_rating);
+	if (info->model_perm_cap[0] != '\0')
+		len += sprintf(page + len,
+			       "Model Perm. Capacity: %-16.16s %08u\n",
+			       info->model_perm_cap,
+			       *(u32 *) info->model_perm_cap_rating);
+	if (info->model_temp_cap[0] != '\0')
+		len += sprintf(page + len,
+			       "Model Temp. Capacity: %-16.16s %08u\n",
+			       info->model_temp_cap,
+			       *(u32 *) info->model_temp_cap_rating);
 	return len;
 }
 
diff --git a/include/asm-s390/cio.h b/include/asm-s390/cio.h
index 123b557c3ff..0818ecd30ca 100644
--- a/include/asm-s390/cio.h
+++ b/include/asm-s390/cio.h
@@ -397,6 +397,10 @@ struct cio_iplinfo {
 
 extern int cio_get_iplinfo(struct cio_iplinfo *iplinfo);
 
+/* Function from drivers/s390/cio/chsc.c */
+int chsc_sstpc(void *page, unsigned int op, u16 ctrl);
+int chsc_sstpi(void *page, void *result, size_t size);
+
 #endif
 
 #endif
diff --git a/include/asm-s390/cpu.h b/include/asm-s390/cpu.h
index 352dde194f3..e5a6a9ba3ad 100644
--- a/include/asm-s390/cpu.h
+++ b/include/asm-s390/cpu.h
@@ -22,4 +22,12 @@ struct s390_idle_data {
 
 DECLARE_PER_CPU(struct s390_idle_data, s390_idle);
 
+void s390_idle_leave(void);
+
+static inline void s390_idle_check(void)
+{
+	if ((&__get_cpu_var(s390_idle))->in_idle)
+		s390_idle_leave();
+}
+
 #endif /* _ASM_S390_CPU_H_ */
diff --git a/include/asm-s390/debug.h b/include/asm-s390/debug.h
index c00dd2b3dc5..335baf4fc64 100644
--- a/include/asm-s390/debug.h
+++ b/include/asm-s390/debug.h
@@ -73,6 +73,7 @@ typedef struct debug_info {
 	struct dentry* debugfs_entries[DEBUG_MAX_VIEWS];
 	struct debug_view* views[DEBUG_MAX_VIEWS];	
 	char name[DEBUG_MAX_NAME_LEN];
+	mode_t mode;
 } debug_info_t;
 
 typedef int (debug_header_proc_t) (debug_info_t* id,
@@ -122,6 +123,10 @@ debug_entry_t* debug_exception_common(debug_info_t* id, int level,
 debug_info_t* debug_register(char* name, int pages, int nr_areas,
                              int buf_size);
 
+debug_info_t *debug_register_mode(char *name, int pages, int nr_areas,
+				  int buf_size, mode_t mode, uid_t uid,
+				  gid_t gid);
+
 void debug_unregister(debug_info_t* id);
 
 void debug_set_level(debug_info_t* id, int new_level);
diff --git a/include/asm-s390/extmem.h b/include/asm-s390/extmem.h
index c8802c934b7..33837d75618 100644
--- a/include/asm-s390/extmem.h
+++ b/include/asm-s390/extmem.h
@@ -22,11 +22,12 @@
 #define SEGMENT_SHARED 0
 #define SEGMENT_EXCLUSIVE 1
 
-extern int segment_load (char *name,int segtype,unsigned long *addr,unsigned long *length);
-extern void segment_unload(char *name);
-extern void segment_save(char *name);
-extern int segment_type (char* name);
-extern int segment_modify_shared (char *name, int do_nonshared);
+int segment_load (char *name, int segtype, unsigned long *addr, unsigned long *length);
+void segment_unload(char *name);
+void segment_save(char *name);
+int segment_type (char* name);
+int segment_modify_shared (char *name, int do_nonshared);
+void segment_warning(int rc, char *seg_name);
 
 #endif
 #endif
diff --git a/include/asm-s390/hardirq.h b/include/asm-s390/hardirq.h
index 31beb18cb3d..4b7cb964ff3 100644
--- a/include/asm-s390/hardirq.h
+++ b/include/asm-s390/hardirq.h
@@ -32,6 +32,6 @@ typedef struct {
 
 #define HARDIRQ_BITS	8
 
-extern void account_ticks(u64 time);
+void clock_comparator_work(void);
 
 #endif /* __ASM_HARDIRQ_H */
diff --git a/include/asm-s390/lowcore.h b/include/asm-s390/lowcore.h
index 801a6fd35b5..5de3efb3144 100644
--- a/include/asm-s390/lowcore.h
+++ b/include/asm-s390/lowcore.h
@@ -56,6 +56,8 @@
 #define __LC_IO_INT_WORD                0x0C0
 #define __LC_MCCK_CODE                  0x0E8
 
+#define __LC_LAST_BREAK 		0x110
+
 #define __LC_RETURN_PSW                 0x200
 
 #define __LC_SAVE_AREA                  0xC00
@@ -80,7 +82,6 @@
 #define __LC_CPUID                      0xC60
 #define __LC_CPUADDR                    0xC68
 #define __LC_IPLDEV                     0xC7C
-#define __LC_JIFFY_TIMER		0xC80
 #define __LC_CURRENT			0xC90
 #define __LC_INT_CLOCK			0xC98
 #else /* __s390x__ */
@@ -103,7 +104,6 @@
 #define __LC_CPUID			0xD80
 #define __LC_CPUADDR			0xD88
 #define __LC_IPLDEV                     0xDB8
-#define __LC_JIFFY_TIMER		0xDC0
 #define __LC_CURRENT			0xDD8
 #define __LC_INT_CLOCK			0xDE8
 #endif /* __s390x__ */
@@ -276,7 +276,7 @@ struct _lowcore
 	/* entry.S sensitive area end */
 
         /* SMP info area: defined by DJB */
-        __u64        jiffy_timer;              /* 0xc80 */
+	__u64	     clock_comparator;	       /* 0xc80 */
 	__u32        ext_call_fast;            /* 0xc88 */
 	__u32        percpu_offset;            /* 0xc8c */
 	__u32        current_task;	       /* 0xc90 */
@@ -368,11 +368,12 @@ struct _lowcore
 	/* entry.S sensitive area end */
 
         /* SMP info area: defined by DJB */
-        __u64        jiffy_timer;              /* 0xdc0 */
+	__u64	     clock_comparator;	       /* 0xdc0 */
 	__u64        ext_call_fast;            /* 0xdc8 */
 	__u64        percpu_offset;            /* 0xdd0 */
 	__u64        current_task;	       /* 0xdd8 */
-	__u64        softirq_pending;	       /* 0xde0 */
+	__u32	     softirq_pending;	       /* 0xde0 */
+	__u32	     pad_0x0de4;	       /* 0xde4 */
 	__u64        int_clock;                /* 0xde8 */
         __u8         pad12[0xe00-0xdf0];       /* 0xdf0 */
 
diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h
index 51d88912aa2..8eaf343a12a 100644
--- a/include/asm-s390/processor.h
+++ b/include/asm-s390/processor.h
@@ -175,6 +175,13 @@ extern void task_show_regs(struct seq_file *m, struct task_struct *task);
 extern void show_registers(struct pt_regs *regs);
 extern void show_code(struct pt_regs *regs);
 extern void show_trace(struct task_struct *task, unsigned long *sp);
+#ifdef CONFIG_64BIT
+extern void show_last_breaking_event(struct pt_regs *regs);
+#else
+static inline void show_last_breaking_event(struct pt_regs *regs)
+{
+}
+#endif
 
 unsigned long get_wchan(struct task_struct *p);
 #define task_pt_regs(tsk) ((struct pt_regs *) \
diff --git a/include/asm-s390/smp.h b/include/asm-s390/smp.h
index c7b74326a52..6f3821a6a90 100644
--- a/include/asm-s390/smp.h
+++ b/include/asm-s390/smp.h
@@ -90,6 +90,9 @@ extern void __cpu_die (unsigned int cpu);
 extern void cpu_die (void) __attribute__ ((noreturn));
 extern int __cpu_up (unsigned int cpu);
 
+extern struct mutex smp_cpu_state_mutex;
+extern int smp_cpu_polarization[];
+
 extern int smp_call_function_mask(cpumask_t mask, void (*func)(void *),
 	void *info, int wait);
 #endif
diff --git a/include/asm-s390/sysinfo.h b/include/asm-s390/sysinfo.h
new file mode 100644
index 00000000000..abe10ae15e4
--- /dev/null
+++ b/include/asm-s390/sysinfo.h
@@ -0,0 +1,116 @@
+/*
+ * definition for store system information stsi
+ *
+ * Copyright IBM Corp. 2001,2008
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (version 2 only)
+ * as published by the Free Software Foundation.
+ *
+ *    Author(s): Ulrich Weigand <weigand@de.ibm.com>
+ *		 Christian Borntraeger <borntraeger@de.ibm.com>
+ */
+
+struct sysinfo_1_1_1 {
+	char reserved_0[32];
+	char manufacturer[16];
+	char type[4];
+	char reserved_1[12];
+	char model_capacity[16];
+	char sequence[16];
+	char plant[4];
+	char model[16];
+	char model_perm_cap[16];
+	char model_temp_cap[16];
+	char model_cap_rating[4];
+	char model_perm_cap_rating[4];
+	char model_temp_cap_rating[4];
+};
+
+struct sysinfo_1_2_1 {
+	char reserved_0[80];
+	char sequence[16];
+	char plant[4];
+	char reserved_1[2];
+	unsigned short cpu_address;
+};
+
+struct sysinfo_1_2_2 {
+	char format;
+	char reserved_0[1];
+	unsigned short acc_offset;
+	char reserved_1[24];
+	unsigned int secondary_capability;
+	unsigned int capability;
+	unsigned short cpus_total;
+	unsigned short cpus_configured;
+	unsigned short cpus_standby;
+	unsigned short cpus_reserved;
+	unsigned short adjustment[0];
+};
+
+struct sysinfo_1_2_2_extension {
+	unsigned int alt_capability;
+	unsigned short alt_adjustment[0];
+};
+
+struct sysinfo_2_2_1 {
+	char reserved_0[80];
+	char sequence[16];
+	char plant[4];
+	unsigned short cpu_id;
+	unsigned short cpu_address;
+};
+
+struct sysinfo_2_2_2 {
+	char reserved_0[32];
+	unsigned short lpar_number;
+	char reserved_1;
+	unsigned char characteristics;
+	unsigned short cpus_total;
+	unsigned short cpus_configured;
+	unsigned short cpus_standby;
+	unsigned short cpus_reserved;
+	char name[8];
+	unsigned int caf;
+	char reserved_2[16];
+	unsigned short cpus_dedicated;
+	unsigned short cpus_shared;
+};
+
+#define LPAR_CHAR_DEDICATED	(1 << 7)
+#define LPAR_CHAR_SHARED	(1 << 6)
+#define LPAR_CHAR_LIMITED	(1 << 5)
+
+struct sysinfo_3_2_2 {
+	char reserved_0[31];
+	unsigned char count;
+	struct {
+		char reserved_0[4];
+		unsigned short cpus_total;
+		unsigned short cpus_configured;
+		unsigned short cpus_standby;
+		unsigned short cpus_reserved;
+		char name[8];
+		unsigned int caf;
+		char cpi[16];
+		char reserved_1[24];
+
+	} vm[8];
+};
+
+static inline int stsi(void *sysinfo, int fc, int sel1, int sel2)
+{
+	register int r0 asm("0") = (fc << 28) | sel1;
+	register int r1 asm("1") = sel2;
+
+	asm volatile(
+		"   stsi 0(%2)\n"
+		"0: jz   2f\n"
+		"1: lhi  %0,%3\n"
+		"2:\n"
+		EX_TABLE(0b, 1b)
+		: "+d" (r0) : "d" (r1), "a" (sysinfo), "K" (-ENOSYS)
+		: "cc", "memory");
+	return r0;
+}
diff --git a/include/asm-s390/system.h b/include/asm-s390/system.h
index 15aba30601a..92098df4d6e 100644
--- a/include/asm-s390/system.h
+++ b/include/asm-s390/system.h
@@ -406,6 +406,8 @@ __set_psw_mask(unsigned long mask)
 #define local_mcck_enable()  __set_psw_mask(psw_kernel_bits)
 #define local_mcck_disable() __set_psw_mask(psw_kernel_bits & ~PSW_MASK_MCHECK)
 
+int stfle(unsigned long long *list, int doublewords);
+
 #ifdef CONFIG_SMP
 
 extern void smp_ctl_set_bit(int cr, int bit);
diff --git a/include/asm-s390/timex.h b/include/asm-s390/timex.h
index 98229db2431..d744c3d62de 100644
--- a/include/asm-s390/timex.h
+++ b/include/asm-s390/timex.h
@@ -62,16 +62,18 @@ static inline unsigned long long get_clock (void)
 	return clk;
 }
 
-static inline void get_clock_extended(void *dest)
+static inline unsigned long long get_clock_xt(void)
 {
-	typedef struct { unsigned long long clk[2]; } __clock_t;
+	unsigned char clk[16];
 
 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
-	asm volatile("stcke %0" : "=Q" (*((__clock_t *)dest)) : : "cc");
+	asm volatile("stcke %0" : "=Q" (clk) : : "cc");
 #else /* __GNUC__ */
-	asm volatile("stcke 0(%1)" : "=m" (*((__clock_t *)dest))
-				   : "a" ((__clock_t *)dest) : "cc");
+	asm volatile("stcke 0(%1)" : "=m" (clk)
+				   : "a" (clk) : "cc");
 #endif /* __GNUC__ */
+
+	return *((unsigned long long *)&clk[1]);
 }
 
 static inline cycles_t get_cycles(void)
@@ -81,5 +83,6 @@ static inline cycles_t get_cycles(void)
 
 int get_sync_clock(unsigned long long *clock);
 void init_cpu_timer(void);
+unsigned long long monotonic_clock(void);
 
 #endif
diff --git a/include/asm-s390/tlbflush.h b/include/asm-s390/tlbflush.h
index 35fb4f9127b..9e57a93d7de 100644
--- a/include/asm-s390/tlbflush.h
+++ b/include/asm-s390/tlbflush.h
@@ -13,12 +13,14 @@ static inline void __tlb_flush_local(void)
 	asm volatile("ptlb" : : : "memory");
 }
 
+#ifdef CONFIG_SMP
 /*
  * Flush all tlb entries on all cpus.
  */
+void smp_ptlb_all(void);
+
 static inline void __tlb_flush_global(void)
 {
-	extern void smp_ptlb_all(void);
 	register unsigned long reg2 asm("2");
 	register unsigned long reg3 asm("3");
 	register unsigned long reg4 asm("4");
@@ -39,6 +41,25 @@ static inline void __tlb_flush_global(void)
 		: : "d" (reg2), "d" (reg3), "d" (reg4), "m" (dummy) : "cc" );
 }
 
+static inline void __tlb_flush_full(struct mm_struct *mm)
+{
+	cpumask_t local_cpumask;
+
+	preempt_disable();
+	/*
+	 * If the process only ran on the local cpu, do a local flush.
+	 */
+	local_cpumask = cpumask_of_cpu(smp_processor_id());
+	if (cpus_equal(mm->cpu_vm_mask, local_cpumask))
+		__tlb_flush_local();
+	else
+		__tlb_flush_global();
+	preempt_enable();
+}
+#else
+#define __tlb_flush_full(mm)	__tlb_flush_local()
+#endif
+
 /*
  * Flush all tlb entries of a page table on all cpus.
  */
@@ -51,8 +72,6 @@ static inline void __tlb_flush_idte(unsigned long asce)
 
 static inline void __tlb_flush_mm(struct mm_struct * mm)
 {
-	cpumask_t local_cpumask;
-
 	if (unlikely(cpus_empty(mm->cpu_vm_mask)))
 		return;
 	/*
@@ -69,16 +88,7 @@ static inline void __tlb_flush_mm(struct mm_struct * mm)
 				 mm->context.asce_bits);
 		return;
 	}
-	preempt_disable();
-	/*
-	 * If the process only ran on the local cpu, do a local flush.
-	 */
-	local_cpumask = cpumask_of_cpu(smp_processor_id());
-	if (cpus_equal(mm->cpu_vm_mask, local_cpumask))
-		__tlb_flush_local();
-	else
-		__tlb_flush_global();
-	preempt_enable();
+	__tlb_flush_full(mm);
 }
 
 static inline void __tlb_flush_mm_cond(struct mm_struct * mm)
diff --git a/include/asm-s390/topology.h b/include/asm-s390/topology.h
index 613aa64019d..8e97b06f298 100644
--- a/include/asm-s390/topology.h
+++ b/include/asm-s390/topology.h
@@ -1,6 +1,29 @@
 #ifndef _ASM_S390_TOPOLOGY_H
 #define _ASM_S390_TOPOLOGY_H
 
+#include <linux/cpumask.h>
+
+#define mc_capable()	(1)
+
+cpumask_t cpu_coregroup_map(unsigned int cpu);
+
+int topology_set_cpu_management(int fc);
+void topology_schedule_update(void);
+
+#define POLARIZATION_UNKNWN	(-1)
+#define POLARIZATION_HRZ	(0)
+#define POLARIZATION_VL		(1)
+#define POLARIZATION_VM		(2)
+#define POLARIZATION_VH		(3)
+
+#ifdef CONFIG_SMP
+void s390_init_cpu_topology(void);
+#else
+static inline void s390_init_cpu_topology(void)
+{
+};
+#endif
+
 #include <asm-generic/topology.h>
 
 #endif /* _ASM_S390_TOPOLOGY_H */
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index f8ab4ce7056..b5fef13148b 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -102,6 +102,25 @@ extern void disable_irq_nosync(unsigned int irq);
 extern void disable_irq(unsigned int irq);
 extern void enable_irq(unsigned int irq);
 
+#if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_HARDIRQS)
+
+extern int irq_set_affinity(unsigned int irq, cpumask_t cpumask);
+extern int irq_can_set_affinity(unsigned int irq);
+
+#else /* CONFIG_SMP */
+
+static inline int irq_set_affinity(unsigned int irq, cpumask_t cpumask)
+{
+	return -EINVAL;
+}
+
+static inline int irq_can_set_affinity(unsigned int irq)
+{
+	return 0;
+}
+
+#endif /* CONFIG_SMP && CONFIG_GENERIC_HARDIRQS */
+
 #ifdef CONFIG_GENERIC_HARDIRQS
 /*
  * Special lockdep variants of irq disabling/enabling.
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 176e5e790a4..1883a85625d 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -228,21 +228,11 @@ static inline void set_pending_irq(unsigned int irq, cpumask_t mask)
 
 #endif /* CONFIG_GENERIC_PENDING_IRQ */
 
-extern int irq_set_affinity(unsigned int irq, cpumask_t cpumask);
-extern int irq_can_set_affinity(unsigned int irq);
-
 #else /* CONFIG_SMP */
 
 #define move_native_irq(x)
 #define move_masked_irq(x)
 
-static inline int irq_set_affinity(unsigned int irq, cpumask_t cpumask)
-{
-	return -EINVAL;
-}
-
-static inline int irq_can_set_affinity(unsigned int irq) { return 0; }
-
 #endif /* CONFIG_SMP */
 
 #ifdef CONFIG_IRQBALANCE
diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index e1bd50cbbf5..fdfa0c745bb 100644
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -14,7 +14,7 @@
 #include <linux/cpu.h>
 #include <linux/err.h>
 #include <linux/hrtimer.h>
-#include <linux/irq.h>
+#include <linux/interrupt.h>
 #include <linux/percpu.h>
 #include <linux/profile.h>
 #include <linux/sched.h>
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index 1bea399a9ef..4f3886562b8 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -14,12 +14,14 @@
 #include <linux/cpu.h>
 #include <linux/err.h>
 #include <linux/hrtimer.h>
-#include <linux/irq.h>
+#include <linux/interrupt.h>
 #include <linux/percpu.h>
 #include <linux/profile.h>
 #include <linux/sched.h>
 #include <linux/tick.h>
 
+#include <asm/irq_regs.h>
+
 #include "tick-internal.h"
 
 /*
diff --git a/kernel/time/tick-oneshot.c b/kernel/time/tick-oneshot.c
index 0258d3115d5..450c04935b6 100644
--- a/kernel/time/tick-oneshot.c
+++ b/kernel/time/tick-oneshot.c
@@ -14,7 +14,7 @@
 #include <linux/cpu.h>
 #include <linux/err.h>
 #include <linux/hrtimer.h>
-#include <linux/irq.h>
+#include <linux/interrupt.h>
 #include <linux/percpu.h>
 #include <linux/profile.h>
 #include <linux/sched.h>