Merge remote-tracking branch 'master' into queue

Merge reason: development work has dependency on kvm patches merged
upstream.

Conflicts:
	arch/powerpc/include/asm/Kbuild
	arch/powerpc/include/asm/kvm_para.h

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

97 files changed, 2266 insertions, 1553 deletions

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index f9acddd9ace3..5dba755a43e6 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -68,6 +68,7 @@ config S390
         select HAVE_FTRACE_MCOUNT_RECORD
         select HAVE_C_RECORDMCOUNT
         select HAVE_SYSCALL_TRACEPOINTS
+        select SYSCTL_EXCEPTION_TRACE
         select HAVE_DYNAMIC_FTRACE
         select HAVE_FUNCTION_GRAPH_TRACER
         select HAVE_REGS_AND_STACK_ACCESS_API
@@ -80,6 +81,7 @@ config S390
         select HAVE_IRQ_WORK
         select HAVE_PERF_EVENTS
         select ARCH_HAVE_NMI_SAFE_CMPXCHG
+        select HAVE_DEBUG_KMEMLEAK
         select HAVE_KERNEL_GZIP
         select HAVE_KERNEL_BZIP2
         select HAVE_KERNEL_LZMA
@@ -126,12 +128,17 @@ config S390
         select ARCH_INLINE_WRITE_UNLOCK_BH
         select ARCH_INLINE_WRITE_UNLOCK_IRQ
         select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE
+        select HAVE_UID16 if 32BIT
         select ARCH_WANT_IPC_PARSE_VERSION
+        select HAVE_ARCH_TRANSPARENT_HUGEPAGE if 64BIT
         select GENERIC_SMP_IDLE_THREAD
-        select GENERIC_TIME_VSYSCALL
+        select GENERIC_TIME_VSYSCALL_OLD
         select GENERIC_CLOCKEVENTS
         select KTIME_SCALAR if 32BIT
         select HAVE_ARCH_SECCOMP_FILTER
+        select GENERIC_KERNEL_THREAD
+        select HAVE_MOD_ARCH_SPECIFIC
+        select MODULES_USE_ELF_RELA
 
 config SCHED_OMIT_FRAME_POINTER
         def_bool y
@@ -656,7 +663,6 @@ config S390_GUEST
         depends on 64BIT && EXPERIMENTAL
         select VIRTUALIZATION
         select VIRTIO
-        select VIRTIO_RING
         select VIRTIO_CONSOLE
         help
           Enabling this option adds support for virtio based paravirtual device
diff --git a/arch/s390/Kconfig.debug b/arch/s390/Kconfig.debug
index d76cef3fef37..fc32a2df4974 100644
--- a/arch/s390/Kconfig.debug
+++ b/arch/s390/Kconfig.debug
@@ -31,6 +31,18 @@ config DEBUG_STRICT_USER_COPY_CHECKS
 
           If unsure, or if you run an older (pre 4.4) gcc, say N.
 
+config S390_PTDUMP
+        bool "Export kernel pagetable layout to userspace via debugfs"
+        depends on DEBUG_KERNEL
+        select DEBUG_FS
+        ---help---
+          Say Y here if you want to show the kernel pagetable layout in a
+          debugfs file. This information is only useful for kernel developers
+          who are working in architecture specific areas of the kernel.
+          It is probably not a good idea to enable this feature in a production
+          kernel.
+          If in doubt, say "N"
+
 config DEBUG_SET_MODULE_RONX
         def_bool y
         depends on MODULES
diff --git a/arch/s390/boot/compressed/vmlinux.lds.S b/arch/s390/boot/compressed/vmlinux.lds.S
index d80f79d8dd9c..8e1fb8239287 100644
--- a/arch/s390/boot/compressed/vmlinux.lds.S
+++ b/arch/s390/boot/compressed/vmlinux.lds.S
@@ -5,7 +5,7 @@ OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390")
 OUTPUT_ARCH(s390:64-bit)
 #else
 OUTPUT_FORMAT("elf32-s390", "elf32-s390", "elf32-s390")
-OUTPUT_ARCH(s390)
+OUTPUT_ARCH(s390:31-bit)
 #endif
 
 ENTRY(startup)
diff --git a/arch/s390/include/asm/Kbuild b/arch/s390/include/asm/Kbuild
index 287d7bbb6d36..0633dc6d254d 100644
--- a/arch/s390/include/asm/Kbuild
+++ b/arch/s390/include/asm/Kbuild
@@ -1,15 +1,3 @@
-include include/asm-generic/Kbuild.asm
 
-header-y += chpid.h
-header-y += chsc.h
-header-y += cmb.h
-header-y += dasd.h
-header-y += debug.h
-header-y += kvm_virtio.h
-header-y += monwriter.h
-header-y += qeth.h
-header-y += schid.h
-header-y += tape390.h
-header-y += ucontext.h
-header-y += vtoc.h
-header-y += zcrypt.h
+
+generic-y += clkdev.h
diff --git a/arch/s390/include/asm/chpid.h b/arch/s390/include/asm/chpid.h
index e5bde9f9291f..38c405ef89ce 100644
--- a/arch/s390/include/asm/chpid.h
+++ b/arch/s390/include/asm/chpid.h
@@ -1,24 +1,11 @@
 /*
- *    Copyright IBM Corp. 2007
+ *    Copyright IBM Corp. 2007, 2012
  *    Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
  */
-
 #ifndef _ASM_S390_CHPID_H
 #define _ASM_S390_CHPID_H
 
-#include <linux/string.h>
-#include <linux/types.h>
-
-#define __MAX_CHPID 255
-
-struct chp_id {
-        u8 reserved1;
-        u8 cssid;
-        u8 reserved2;
-        u8 id;
-} __attribute__((packed));
-
-#ifdef __KERNEL__
+#include <uapi/asm/chpid.h>
 #include <asm/cio.h>
 
 static inline void chp_id_init(struct chp_id *chpid)
@@ -49,6 +36,4 @@ static inline int chp_id_is_valid(struct chp_id *chpid)
 
 #define chp_id_for_each(c) \
         for (chp_id_init(c); chp_id_is_valid(c); chp_id_next(c))
-#endif /* __KERNEL */
-
 #endif /* _ASM_S390_CHPID_H */
diff --git a/arch/s390/include/asm/cmb.h b/arch/s390/include/asm/cmb.h
index 39ae03294794..806eac12e3bd 100644
--- a/arch/s390/include/asm/cmb.h
+++ b/arch/s390/include/asm/cmb.h
@@ -1,61 +1,12 @@
 #ifndef S390_CMB_H
 #define S390_CMB_H
 
-#include <linux/types.h>
+#include <uapi/asm/cmb.h>
 
-/**
- * struct cmbdata - channel measurement block data for user space
- * @size: size of the stored data
- * @elapsed_time: time since last sampling
- * @ssch_rsch_count: number of ssch and rsch
- * @sample_count: number of samples
- * @device_connect_time: time of device connect
- * @function_pending_time: time of function pending
- * @device_disconnect_time: time of device disconnect
- * @control_unit_queuing_time: time of control unit queuing
- * @device_active_only_time: time of device active only
- * @device_busy_time: time of device busy (ext. format)
- * @initial_command_response_time: initial command response time (ext. format)
- *
- * All values are stored as 64 bit for simplicity, especially
- * in 32 bit emulation mode. All time values are normalized to
- * nanoseconds.
- * Currently, two formats are known, which differ by the size of
- * this structure, i.e. the last two members are only set when
- * the extended channel measurement facility (first shipped in
- * z990 machines) is activated.
- * Potentially, more fields could be added, which would result in a
- * new ioctl number.
- */
-struct cmbdata {
-        __u64 size;
-        __u64 elapsed_time;
- /* basic and exended format: */
-        __u64 ssch_rsch_count;
-        __u64 sample_count;
-        __u64 device_connect_time;
-        __u64 function_pending_time;
-        __u64 device_disconnect_time;
-        __u64 control_unit_queuing_time;
-        __u64 device_active_only_time;
- /* extended format only: */
-        __u64 device_busy_time;
-        __u64 initial_command_response_time;
-};
-
-/* enable channel measurement */
-#define BIODASDCMFENABLE        _IO(DASD_IOCTL_LETTER, 32)
-/* enable channel measurement */
-#define BIODASDCMFDISABLE       _IO(DASD_IOCTL_LETTER, 33)
-/* read channel measurement data */
-#define BIODASDREADALLCMB       _IOWR(DASD_IOCTL_LETTER, 33, struct cmbdata)
-
-#ifdef __KERNEL__
 struct ccw_device;
 extern int enable_cmf(struct ccw_device *cdev);
 extern int disable_cmf(struct ccw_device *cdev);
 extern u64 cmf_read(struct ccw_device *cdev, int index);
 extern int cmf_readall(struct ccw_device *cdev, struct cmbdata *data);
 
-#endif /* __KERNEL__ */
 #endif /* S390_CMB_H */
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index 234f1d859cea..a34a9d612fc0 100644
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -65,6 +65,7 @@ typedef s64		compat_s64;
 typedef u32             compat_uint_t;
 typedef u32             compat_ulong_t;
 typedef u64             compat_u64;
+typedef u32             compat_uptr_t;
 
 struct compat_timespec {
         compat_time_t   tv_sec;
@@ -144,6 +145,79 @@ typedef u32		compat_old_sigset_t;	/* at least 32 bits */
 
 typedef u32             compat_sigset_word;
 
+typedef union compat_sigval {
+        compat_int_t    sival_int;
+        compat_uptr_t   sival_ptr;
+} compat_sigval_t;
+
+typedef struct compat_siginfo {
+        int     si_signo;
+        int     si_errno;
+        int     si_code;
+
+        union {
+                int _pad[128/sizeof(int) - 3];
+
+                /* kill() */
+                struct {
+                        pid_t   _pid;   /* sender's pid */
+                        uid_t   _uid;   /* sender's uid */
+                } _kill;
+
+                /* POSIX.1b timers */
+                struct {
+                        compat_timer_t _tid;            /* timer id */
+                        int _overrun;                   /* overrun count */
+                        compat_sigval_t _sigval;        /* same as below */
+                        int _sys_private;       /* not to be passed to user */
+                } _timer;
+
+                /* POSIX.1b signals */
+                struct {
+                        pid_t                   _pid;   /* sender's pid */
+                        uid_t                   _uid;   /* sender's uid */
+                        compat_sigval_t         _sigval;
+                } _rt;
+
+                /* SIGCHLD */
+                struct {
+                        pid_t                   _pid;   /* which child */
+                        uid_t                   _uid;   /* sender's uid */
+                        int                     _status;/* exit code */
+                        compat_clock_t          _utime;
+                        compat_clock_t          _stime;
+                } _sigchld;
+
+                /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
+                struct {
+                        __u32   _addr;  /* faulting insn/memory ref. - pointer */
+                } _sigfault;
+
+                /* SIGPOLL */
+                struct {
+                        int     _band;  /* POLL_IN, POLL_OUT, POLL_MSG */
+                        int     _fd;
+                } _sigpoll;
+        } _sifields;
+} compat_siginfo_t;
+
+/*
+ * How these fields are to be accessed.
+ */
+#define si_pid          _sifields._kill._pid
+#define si_uid          _sifields._kill._uid
+#define si_status       _sifields._sigchld._status
+#define si_utime        _sifields._sigchld._utime
+#define si_stime        _sifields._sigchld._stime
+#define si_value        _sifields._rt._sigval
+#define si_int          _sifields._rt._sigval.sival_int
+#define si_ptr          _sifields._rt._sigval.sival_ptr
+#define si_addr         _sifields._sigfault._addr
+#define si_band         _sifields._sigpoll._band
+#define si_fd           _sifields._sigpoll._fd
+#define si_tid          _sifields._timer._tid
+#define si_overrun      _sifields._timer._overrun
+
 #define COMPAT_OFF_T_MAX        0x7fffffff
 #define COMPAT_LOFF_T_MAX       0x7fffffffffffffffL
 
@@ -153,7 +227,6 @@ typedef u32		compat_sigset_word;
  * as pointers because the syscall entry code will have
  * appropriately converted them already.
  */
-typedef u32             compat_uptr_t;
 
 static inline void __user *compat_ptr(compat_uptr_t uptr)
 {
diff --git a/arch/s390/include/asm/css_chars.h b/arch/s390/include/asm/css_chars.h
index a06ebc2623fb..7e1c917bbba2 100644
--- a/arch/s390/include/asm/css_chars.h
+++ b/arch/s390/include/asm/css_chars.h
@@ -3,8 +3,6 @@
 
 #include <linux/types.h>
 
-#ifdef __KERNEL__
-
 struct css_general_char {
         u64 : 12;
         u32 dynio : 1;   /* bit 12 */
@@ -35,5 +33,4 @@ struct css_general_char {
 
 extern struct css_general_char css_general_characteristics;
 
-#endif /* __KERNEL__ */
 #endif
diff --git a/arch/s390/include/asm/debug.h b/arch/s390/include/asm/debug.h
index f39677e6ccde..188c5052a20a 100644
--- a/arch/s390/include/asm/debug.h
+++ b/arch/s390/include/asm/debug.h
@@ -3,39 +3,14 @@
  *
  *    Copyright IBM Corp. 1999, 2000
  */
-
 #ifndef DEBUG_H
 #define DEBUG_H
 
-#include <linux/fs.h>
-
-/* Note:
- * struct __debug_entry must be defined outside of #ifdef __KERNEL__ 
- * in order to allow a user program to analyze the 'raw'-view.
- */
-
-struct __debug_entry{
-        union {
-                struct {
-                        unsigned long long clock:52;
-                        unsigned long long exception:1;
-                        unsigned long long level:3;
-                        unsigned long long cpuid:8;
-                } fields;
-
-                unsigned long long stck;
-        } id;
-        void* caller;
-} __attribute__((packed));
-
-
-#define __DEBUG_FEATURE_VERSION      2  /* version of debug feature */
-
-#ifdef __KERNEL__
 #include <linux/string.h>
 #include <linux/spinlock.h>
 #include <linux/kernel.h>
 #include <linux/time.h>
+#include <uapi/asm/debug.h>
 
 #define DEBUG_MAX_LEVEL            6  /* debug levels range from 0 to 6 */
 #define DEBUG_OFF_LEVEL            -1 /* level where debug is switched off */
@@ -254,5 +229,4 @@ int debug_unregister_view(debug_info_t* id, struct debug_view* view);
 #define PRINT_FATAL(x...) printk ( KERN_DEBUG PRINTK_HEADER x )
 #endif                          /* DASD_DEBUG */
 
-#endif                          /* __KERNEL__ */
 #endif                          /* DEBUG_H */
diff --git a/arch/s390/include/asm/hugetlb.h b/arch/s390/include/asm/hugetlb.h
index 2d6e6e380564..593753ee07f3 100644
--- a/arch/s390/include/asm/hugetlb.h
+++ b/arch/s390/include/asm/hugetlb.h
@@ -33,6 +33,7 @@ static inline int prepare_hugepage_range(struct file *file,
 }
 
 #define hugetlb_prefault_arch_hook(mm)          do { } while (0)
+#define arch_clear_hugepage_flags(page)         do { } while (0)
 
 int arch_prepare_hugepage(struct page *page);
 void arch_release_hugepage(struct page *page);
@@ -77,23 +78,6 @@ static inline void __pmd_csp(pmd_t *pmdp)
                 "       csp %1,%3"
                 : "=m" (*pmdp)
                 : "d" (reg2), "d" (reg3), "d" (reg4), "m" (*pmdp) : "cc");
-        pmd_val(*pmdp) = _SEGMENT_ENTRY_INV | _SEGMENT_ENTRY;
-}
-
-static inline void __pmd_idte(unsigned long address, pmd_t *pmdp)
-{
-        unsigned long sto = (unsigned long) pmdp -
-                                pmd_index(address) * sizeof(pmd_t);
-
-        if (!(pmd_val(*pmdp) & _SEGMENT_ENTRY_INV)) {
-                asm volatile(
-                        "       .insn   rrf,0xb98e0000,%2,%3,0,0"
-                        : "=m" (*pmdp)
-                        : "m" (*pmdp), "a" (sto),
-                          "a" ((address & HPAGE_MASK))
-                );
-        }
-        pmd_val(*pmdp) = _SEGMENT_ENTRY_INV | _SEGMENT_ENTRY;
 }
 
 static inline void huge_ptep_invalidate(struct mm_struct *mm,
@@ -105,6 +89,7 @@ static inline void huge_ptep_invalidate(struct mm_struct *mm,
                 __pmd_idte(address, pmdp);
         else
                 __pmd_csp(pmdp);
+        pmd_val(*pmdp) = _SEGMENT_ENTRY_INV | _SEGMENT_ENTRY;
 }
 
 static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
diff --git a/arch/s390/include/asm/kvm_para.h b/arch/s390/include/asm/kvm_para.h
index da44867de60f..e0f842308a68 100644
--- a/arch/s390/include/asm/kvm_para.h
+++ b/arch/s390/include/asm/kvm_para.h
@@ -9,12 +9,6 @@
  *
  *    Author(s): Christian Borntraeger <borntraeger@de.ibm.com>
  */
-
-#ifndef __S390_KVM_PARA_H
-#define __S390_KVM_PARA_H
-
-#ifdef __KERNEL__
-
 /*
  * Hypercalls for KVM on s390. The calling convention is similar to the
  * s390 ABI, so we use R2-R6 for parameters 1-5. In addition we use R1
@@ -29,6 +23,12 @@
  *
  * This work is licensed under the terms of the GNU GPL, version 2.
  */
+#ifndef __S390_KVM_PARA_H
+#define __S390_KVM_PARA_H
+
+#include <uapi/asm/kvm_para.h>
+
+
 
 static inline long kvm_hypercall0(unsigned long nr)
 {
@@ -154,6 +154,4 @@ static inline bool kvm_check_and_clear_guest_paused(void)
         return false;
 }
 
-#endif
-
 #endif /* __S390_KVM_PARA_H */
diff --git a/arch/s390/include/asm/mman.h b/arch/s390/include/asm/mman.h
index abc1932ac4e1..0e47a576d666 100644
--- a/arch/s390/include/asm/mman.h
+++ b/arch/s390/include/asm/mman.h
@@ -3,17 +3,13 @@
  *
  *  Derived from "include/asm-i386/mman.h"
  */
-
 #ifndef __S390_MMAN_H__
 #define __S390_MMAN_H__
 
-#include <asm-generic/mman.h>
+#include <uapi/asm/mman.h>
 
-#if defined(__KERNEL__)
 #if !defined(__ASSEMBLY__) && defined(CONFIG_64BIT)
 int s390_mmap_check(unsigned long addr, unsigned long len);
 #define arch_mmap_check(addr,len,flags) s390_mmap_check(addr,len)
 #endif
-#endif
-
 #endif /* __S390_MMAN_H__ */
diff --git a/arch/s390/include/asm/module.h b/arch/s390/include/asm/module.h
index f0b6b26b6e59..df1f861a848a 100644
--- a/arch/s390/include/asm/module.h
+++ b/arch/s390/include/asm/module.h
@@ -1,5 +1,8 @@
 #ifndef _ASM_S390_MODULE_H
 #define _ASM_S390_MODULE_H
+
+#include <asm-generic/module.h>
+
 /*
  * This file contains the s390 architecture specific module code.
  */
@@ -28,19 +31,4 @@ struct mod_arch_specific
         struct mod_arch_syminfo *syminfo;
 };
 
-#ifdef CONFIG_64BIT
-#define ElfW(x) Elf64_ ## x
-#define ELFW(x) ELF64_ ## x
-#else
-#define ElfW(x) Elf32_ ## x
-#define ELFW(x) ELF32_ ## x
-#endif
-
-#define Elf_Addr ElfW(Addr)
-#define Elf_Rela ElfW(Rela)
-#define Elf_Shdr ElfW(Shdr)
-#define Elf_Sym ElfW(Sym)
-#define Elf_Ehdr ElfW(Ehdr)
-#define ELF_R_SYM ELFW(R_SYM)
-#define ELF_R_TYPE ELFW(R_TYPE)
 #endif /* _ASM_S390_MODULE_H */
diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h
index 27ab3c7c1e8b..6d5367060a56 100644
--- a/arch/s390/include/asm/page.h
+++ b/arch/s390/include/asm/page.h
@@ -30,12 +30,20 @@
 #include <asm/setup.h>
 #ifndef __ASSEMBLY__
 
+static unsigned long pfmf(unsigned long function, unsigned long address)
+{
+        asm volatile(
+                "       .insn   rre,0xb9af0000,%[function],%[address]"
+                : [address] "+a" (address)
+                : [function] "d" (function)
+                : "memory");
+        return address;
+}
+
 static inline void clear_page(void *page)
 {
         if (MACHINE_HAS_PFMF) {
-                asm volatile(
-                        "       .insn   rre,0xb9af0000,%0,%1"
-                        : : "d" (0x10000), "a" (page) : "memory", "cc");
+                pfmf(0x10000, (unsigned long)page);
         } else {
                 register unsigned long reg1 asm ("1") = 0;
                 register void *reg2 asm ("2") = page;
diff --git a/arch/s390/include/asm/perf_event.h b/arch/s390/include/asm/perf_event.h
index 7941968e12b4..5f0173a31693 100644
--- a/arch/s390/include/asm/perf_event.h
+++ b/arch/s390/include/asm/perf_event.h
@@ -9,7 +9,7 @@
 #include <asm/cpu_mf.h>
 
 /* CPU-measurement counter facility */
-#define PERF_CPUM_CF_MAX_CTR            160
+#define PERF_CPUM_CF_MAX_CTR            256
 
 /* Per-CPU flags for PMU states */
 #define PMU_F_RESERVED                  0x1000
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 6bd7d7483017..dd647c919a66 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -42,6 +42,7 @@ extern void fault_init(void);
  * tables contain all the necessary information.
  */
 #define update_mmu_cache(vma, address, ptep)     do { } while (0)
+#define update_mmu_cache_pmd(vma, address, ptep) do { } while (0)
 
 /*
  * ZERO_PAGE is a global shared page that is always zero; used
@@ -118,13 +119,12 @@ static inline int is_zero_pfn(unsigned long pfn)
 
 #ifndef __ASSEMBLY__
 /*
- * The vmalloc area will always be on the topmost area of the kernel
- * mapping. We reserve 96MB (31bit) / 128GB (64bit) for vmalloc,
- * which should be enough for any sane case.
- * By putting vmalloc at the top, we maximise the gap between physical
- * memory and vmalloc to catch misplaced memory accesses. As a side
- * effect, this also makes sure that 64 bit module code cannot be used
- * as system call address.
+ * The vmalloc and module area will always be on the topmost area of the kernel
+ * mapping. We reserve 96MB (31bit) / 128GB (64bit) for vmalloc and modules.
+ * On 64 bit kernels we have a 2GB area at the top of the vmalloc area where
+ * modules will reside. That makes sure that inter module branches always
+ * happen without trampolines and in addition the placement within a 2GB frame
+ * is branch prediction unit friendly.
  */
 extern unsigned long VMALLOC_START;
 extern unsigned long VMALLOC_END;
@@ -132,6 +132,14 @@ extern struct page *vmemmap;
 
 #define VMEM_MAX_PHYS ((unsigned long) vmemmap)
 
+#ifdef CONFIG_64BIT
+extern unsigned long MODULES_VADDR;
+extern unsigned long MODULES_END;
+#define MODULES_VADDR   MODULES_VADDR
+#define MODULES_END     MODULES_END
+#define MODULES_LEN     (1UL << 31)
+#endif
+
 /*
  * A 31 bit pagetable entry of S390 has following format:
  *  |   PFRA          |    |  OS  |
@@ -347,6 +355,12 @@ extern struct page *vmemmap;
 
 #define _SEGMENT_ENTRY_LARGE    0x400   /* STE-format control, large page   */
 #define _SEGMENT_ENTRY_CO       0x100   /* change-recording override   */
+#define _SEGMENT_ENTRY_SPLIT_BIT 0      /* THP splitting bit number */
+#define _SEGMENT_ENTRY_SPLIT    (1UL << _SEGMENT_ENTRY_SPLIT_BIT)
+
+/* Set of bits not changed in pmd_modify */
+#define _SEGMENT_CHG_MASK       (_SEGMENT_ENTRY_ORIGIN | _SEGMENT_ENTRY_LARGE \
+                                 | _SEGMENT_ENTRY_SPLIT | _SEGMENT_ENTRY_CO)
 
 /* Page status table bits for virtualization */
 #define RCP_ACC_BITS    0xf000000000000000UL
@@ -500,12 +514,45 @@ static inline int pmd_none(pmd_t pmd)
         return (pmd_val(pmd) & _SEGMENT_ENTRY_INV) != 0UL;
 }
 
+static inline int pmd_large(pmd_t pmd)
+{
+#ifdef CONFIG_64BIT
+        return !!(pmd_val(pmd) & _SEGMENT_ENTRY_LARGE);
+#else
+        return 0;
+#endif
+}
+
 static inline int pmd_bad(pmd_t pmd)
 {
         unsigned long mask = ~_SEGMENT_ENTRY_ORIGIN & ~_SEGMENT_ENTRY_INV;
         return (pmd_val(pmd) & mask) != _SEGMENT_ENTRY;
 }
 
+#define __HAVE_ARCH_PMDP_SPLITTING_FLUSH
+extern void pmdp_splitting_flush(struct vm_area_struct *vma,
+                                 unsigned long addr, pmd_t *pmdp);
+
+#define  __HAVE_ARCH_PMDP_SET_ACCESS_FLAGS
+extern int pmdp_set_access_flags(struct vm_area_struct *vma,
+                                 unsigned long address, pmd_t *pmdp,
+                                 pmd_t entry, int dirty);
+
+#define __HAVE_ARCH_PMDP_CLEAR_YOUNG_FLUSH
+extern int pmdp_clear_flush_young(struct vm_area_struct *vma,
+                                  unsigned long address, pmd_t *pmdp);
+
+#define __HAVE_ARCH_PMD_WRITE
+static inline int pmd_write(pmd_t pmd)
+{
+        return (pmd_val(pmd) & _SEGMENT_ENTRY_RO) == 0;
+}
+
+static inline int pmd_young(pmd_t pmd)
+{
+        return 0;
+}
+
 static inline int pte_none(pte_t pte)
 {
         return (pte_val(pte) & _PAGE_INVALID) && !(pte_val(pte) & _PAGE_SWT);
@@ -1159,6 +1206,185 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address)
 #define pte_offset_map(pmd, address) pte_offset_kernel(pmd, address)
 #define pte_unmap(pte) do { } while (0)
 
+static inline void __pmd_idte(unsigned long address, pmd_t *pmdp)
+{
+        unsigned long sto = (unsigned long) pmdp -
+                            pmd_index(address) * sizeof(pmd_t);
+
+        if (!(pmd_val(*pmdp) & _SEGMENT_ENTRY_INV)) {
+                asm volatile(
+                        "       .insn   rrf,0xb98e0000,%2,%3,0,0"
+                        : "=m" (*pmdp)
+                        : "m" (*pmdp), "a" (sto),
+                          "a" ((address & HPAGE_MASK))
+                        : "cc"
+                );
+        }
+}
+
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+#define __HAVE_ARCH_PGTABLE_DEPOSIT
+extern void pgtable_trans_huge_deposit(struct mm_struct *mm, pgtable_t pgtable);
+
+#define __HAVE_ARCH_PGTABLE_WITHDRAW
+extern pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm);
+
+static inline int pmd_trans_splitting(pmd_t pmd)
+{
+        return pmd_val(pmd) & _SEGMENT_ENTRY_SPLIT;
+}
+
+static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
+                              pmd_t *pmdp, pmd_t entry)
+{
+        *pmdp = entry;
+}
+
+static inline unsigned long massage_pgprot_pmd(pgprot_t pgprot)
+{
+        unsigned long pgprot_pmd = 0;
+
+        if (pgprot_val(pgprot) & _PAGE_INVALID) {
+                if (pgprot_val(pgprot) & _PAGE_SWT)
+                        pgprot_pmd |= _HPAGE_TYPE_NONE;
+                pgprot_pmd |= _SEGMENT_ENTRY_INV;
+        }
+        if (pgprot_val(pgprot) & _PAGE_RO)
+                pgprot_pmd |= _SEGMENT_ENTRY_RO;
+        return pgprot_pmd;
+}
+
+static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)
+{
+        pmd_val(pmd) &= _SEGMENT_CHG_MASK;
+        pmd_val(pmd) |= massage_pgprot_pmd(newprot);
+        return pmd;
+}
+
+static inline pmd_t pmd_mkhuge(pmd_t pmd)
+{
+        pmd_val(pmd) |= _SEGMENT_ENTRY_LARGE;
+        return pmd;
+}
+
+static inline pmd_t pmd_mkwrite(pmd_t pmd)
+{
+        pmd_val(pmd) &= ~_SEGMENT_ENTRY_RO;
+        return pmd;
+}
+
+static inline pmd_t pmd_wrprotect(pmd_t pmd)
+{
+        pmd_val(pmd) |= _SEGMENT_ENTRY_RO;
+        return pmd;
+}
+
+static inline pmd_t pmd_mkdirty(pmd_t pmd)
+{
+        /* No dirty bit in the segment table entry. */
+        return pmd;
+}
+
+static inline pmd_t pmd_mkold(pmd_t pmd)
+{
+        /* No referenced bit in the segment table entry. */
+        return pmd;
+}
+
+static inline pmd_t pmd_mkyoung(pmd_t pmd)
+{
+        /* No referenced bit in the segment table entry. */
+        return pmd;
+}
+
+#define __HAVE_ARCH_PMDP_TEST_AND_CLEAR_YOUNG
+static inline int pmdp_test_and_clear_young(struct vm_area_struct *vma,
+                                            unsigned long address, pmd_t *pmdp)
+{
+        unsigned long pmd_addr = pmd_val(*pmdp) & HPAGE_MASK;
+        long tmp, rc;
+        int counter;
+
+        rc = 0;
+        if (MACHINE_HAS_RRBM) {
+                counter = PTRS_PER_PTE >> 6;
+                asm volatile(
+                        "0:     .insn   rre,0xb9ae0000,%0,%3\n" /* rrbm */
+                        "       ogr     %1,%0\n"
+                        "       la      %3,0(%4,%3)\n"
+                        "       brct    %2,0b\n"
+                        : "=&d" (tmp), "+&d" (rc), "+d" (counter),
+                          "+a" (pmd_addr)
+                        : "a" (64 * 4096UL) : "cc");
+                rc = !!rc;
+        } else {
+                counter = PTRS_PER_PTE;
+                asm volatile(
+                        "0:     rrbe    0,%2\n"
+                        "       la      %2,0(%3,%2)\n"
+                        "       brc     12,1f\n"
+                        "       lhi     %0,1\n"
+                        "1:     brct    %1,0b\n"
+                        : "+d" (rc), "+d" (counter), "+a" (pmd_addr)
+                        : "a" (4096UL) : "cc");
+        }
+        return rc;
+}
+
+#define __HAVE_ARCH_PMDP_GET_AND_CLEAR
+static inline pmd_t pmdp_get_and_clear(struct mm_struct *mm,
+                                       unsigned long address, pmd_t *pmdp)
+{
+        pmd_t pmd = *pmdp;
+
+        __pmd_idte(address, pmdp);
+        pmd_clear(pmdp);
+        return pmd;
+}
+
+#define __HAVE_ARCH_PMDP_CLEAR_FLUSH
+static inline pmd_t pmdp_clear_flush(struct vm_area_struct *vma,
+                                     unsigned long address, pmd_t *pmdp)
+{
+        return pmdp_get_and_clear(vma->vm_mm, address, pmdp);
+}
+
+#define __HAVE_ARCH_PMDP_INVALIDATE
+static inline void pmdp_invalidate(struct vm_area_struct *vma,
+                                   unsigned long address, pmd_t *pmdp)
+{
+        __pmd_idte(address, pmdp);
+}
+
+static inline pmd_t mk_pmd_phys(unsigned long physpage, pgprot_t pgprot)
+{
+        pmd_t __pmd;
+        pmd_val(__pmd) = physpage + massage_pgprot_pmd(pgprot);
+        return __pmd;
+}
+
+#define pfn_pmd(pfn, pgprot)    mk_pmd_phys(__pa((pfn) << PAGE_SHIFT), (pgprot))
+#define mk_pmd(page, pgprot)    pfn_pmd(page_to_pfn(page), (pgprot))
+
+static inline int pmd_trans_huge(pmd_t pmd)
+{
+        return pmd_val(pmd) & _SEGMENT_ENTRY_LARGE;
+}
+
+static inline int has_transparent_hugepage(void)
+{
+        return MACHINE_HAS_HPAGE ? 1 : 0;
+}
+
+static inline unsigned long pmd_pfn(pmd_t pmd)
+{
+        if (pmd_trans_huge(pmd))
+                return pmd_val(pmd) >> HPAGE_SHIFT;
+        else
+                return pmd_val(pmd) >> PAGE_SHIFT;
+}
+#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
+
 /*
  * 31 bit swap entry format:
  * A page-table entry has some bits we have to treat in a special way.
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index 56831dfa9198..94e749c90230 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -35,6 +35,7 @@ static inline void get_cpu_id(struct cpuid *ptr)
 extern void s390_adjust_jiffies(void);
 extern const struct seq_operations cpuinfo_op;
 extern int sysctl_ieee_emulation_warnings;
+extern void execve_tail(void);
 
 /*
  * User space process size: 2GB for 31 bit, 4TB or 8PT for 64 bit.
@@ -126,6 +127,7 @@ struct stack_frame {
         regs->psw.mask  = psw_user_bits | PSW_MASK_EA | PSW_MASK_BA;    \
         regs->psw.addr  = new_psw | PSW_ADDR_AMODE;                     \
         regs->gprs[15]  = new_stackp;                                   \
+        execve_tail();                                                  \
 } while (0)
 
 #define start_thread31(regs, new_psw, new_stackp) do {                  \
@@ -135,6 +137,7 @@ struct stack_frame {
         __tlb_flush_mm(current->mm);                                    \
         crst_table_downgrade(current->mm, 1UL << 31);                   \
         update_mm(current->mm, current);                                \
+        execve_tail();                                                  \
 } while (0)
 
 /* Forward declaration, a strange C thing */
@@ -150,7 +153,6 @@ static inline void show_cacheinfo(struct seq_file *m) { }
 
 /* Free all resources held by a thread. */
 extern void release_thread(struct task_struct *);
-extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
 
 /*
  * Return saved PC of a blocked thread.
diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h
index ce20a53afe91..3ee5da3bc10c 100644
--- a/arch/s390/include/asm/ptrace.h
+++ b/arch/s390/include/asm/ptrace.h
@@ -3,316 +3,17 @@
  *    Copyright IBM Corp. 1999, 2000
  *    Author(s): Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
  */
-
 #ifndef _S390_PTRACE_H
 #define _S390_PTRACE_H
 
-/*
- * Offsets in the user_regs_struct. They are used for the ptrace
- * system call and in entry.S
- */
-#ifndef __s390x__
-
-#define PT_PSWMASK  0x00
-#define PT_PSWADDR  0x04
-#define PT_GPR0     0x08
-#define PT_GPR1     0x0C
-#define PT_GPR2     0x10
-#define PT_GPR3     0x14
-#define PT_GPR4     0x18
-#define PT_GPR5     0x1C
-#define PT_GPR6     0x20
-#define PT_GPR7     0x24
-#define PT_GPR8     0x28
-#define PT_GPR9     0x2C
-#define PT_GPR10    0x30
-#define PT_GPR11    0x34
-#define PT_GPR12    0x38
-#define PT_GPR13    0x3C
-#define PT_GPR14    0x40
-#define PT_GPR15    0x44
-#define PT_ACR0     0x48
-#define PT_ACR1     0x4C
-#define PT_ACR2     0x50
-#define PT_ACR3     0x54
-#define PT_ACR4     0x58
-#define PT_ACR5     0x5C
-#define PT_ACR6     0x60
-#define PT_ACR7     0x64
-#define PT_ACR8     0x68
-#define PT_ACR9     0x6C
-#define PT_ACR10    0x70
-#define PT_ACR11    0x74
-#define PT_ACR12    0x78
-#define PT_ACR13    0x7C
-#define PT_ACR14    0x80
-#define PT_ACR15    0x84
-#define PT_ORIGGPR2 0x88
-#define PT_FPC      0x90
-/*
- * A nasty fact of life that the ptrace api
- * only supports passing of longs.
- */
-#define PT_FPR0_HI  0x98
-#define PT_FPR0_LO  0x9C
-#define PT_FPR1_HI  0xA0
-#define PT_FPR1_LO  0xA4
-#define PT_FPR2_HI  0xA8
-#define PT_FPR2_LO  0xAC
-#define PT_FPR3_HI  0xB0
-#define PT_FPR3_LO  0xB4
-#define PT_FPR4_HI  0xB8
-#define PT_FPR4_LO  0xBC
-#define PT_FPR5_HI  0xC0
-#define PT_FPR5_LO  0xC4
-#define PT_FPR6_HI  0xC8
-#define PT_FPR6_LO  0xCC
-#define PT_FPR7_HI  0xD0
-#define PT_FPR7_LO  0xD4
-#define PT_FPR8_HI  0xD8
-#define PT_FPR8_LO  0XDC
-#define PT_FPR9_HI  0xE0
-#define PT_FPR9_LO  0xE4
-#define PT_FPR10_HI 0xE8
-#define PT_FPR10_LO 0xEC
-#define PT_FPR11_HI 0xF0
-#define PT_FPR11_LO 0xF4
-#define PT_FPR12_HI 0xF8
-#define PT_FPR12_LO 0xFC
-#define PT_FPR13_HI 0x100
-#define PT_FPR13_LO 0x104
-#define PT_FPR14_HI 0x108
-#define PT_FPR14_LO 0x10C
-#define PT_FPR15_HI 0x110
-#define PT_FPR15_LO 0x114
-#define PT_CR_9     0x118
-#define PT_CR_10    0x11C
-#define PT_CR_11    0x120
-#define PT_IEEE_IP  0x13C
-#define PT_LASTOFF  PT_IEEE_IP
-#define PT_ENDREGS  0x140-1
-
-#define GPR_SIZE        4
-#define CR_SIZE         4
-
-#define STACK_FRAME_OVERHEAD    96      /* size of minimum stack frame */
-
-#else /* __s390x__ */
-
-#define PT_PSWMASK  0x00
-#define PT_PSWADDR  0x08
-#define PT_GPR0     0x10
-#define PT_GPR1     0x18
-#define PT_GPR2     0x20
-#define PT_GPR3     0x28
-#define PT_GPR4     0x30
-#define PT_GPR5     0x38
-#define PT_GPR6     0x40
-#define PT_GPR7     0x48
-#define PT_GPR8     0x50
-#define PT_GPR9     0x58
-#define PT_GPR10    0x60
-#define PT_GPR11    0x68
-#define PT_GPR12    0x70
-#define PT_GPR13    0x78
-#define PT_GPR14    0x80
-#define PT_GPR15    0x88
-#define PT_ACR0     0x90
-#define PT_ACR1     0x94
-#define PT_ACR2     0x98
-#define PT_ACR3     0x9C
-#define PT_ACR4     0xA0
-#define PT_ACR5     0xA4
-#define PT_ACR6     0xA8
-#define PT_ACR7     0xAC
-#define PT_ACR8     0xB0
-#define PT_ACR9     0xB4
-#define PT_ACR10    0xB8
-#define PT_ACR11    0xBC
-#define PT_ACR12    0xC0
-#define PT_ACR13    0xC4
-#define PT_ACR14    0xC8
-#define PT_ACR15    0xCC
-#define PT_ORIGGPR2 0xD0
-#define PT_FPC      0xD8
-#define PT_FPR0     0xE0
-#define PT_FPR1     0xE8
-#define PT_FPR2     0xF0
-#define PT_FPR3     0xF8
-#define PT_FPR4     0x100
-#define PT_FPR5     0x108
-#define PT_FPR6     0x110
-#define PT_FPR7     0x118
-#define PT_FPR8     0x120
-#define PT_FPR9     0x128
-#define PT_FPR10    0x130
-#define PT_FPR11    0x138
-#define PT_FPR12    0x140
-#define PT_FPR13    0x148
-#define PT_FPR14    0x150
-#define PT_FPR15    0x158
-#define PT_CR_9     0x160
-#define PT_CR_10    0x168
-#define PT_CR_11    0x170
-#define PT_IEEE_IP  0x1A8
-#define PT_LASTOFF  PT_IEEE_IP
-#define PT_ENDREGS  0x1B0-1
-
-#define GPR_SIZE        8
-#define CR_SIZE         8
-
-#define STACK_FRAME_OVERHEAD    160      /* size of minimum stack frame */
-
-#endif /* __s390x__ */
-
-#define NUM_GPRS        16
-#define NUM_FPRS        16
-#define NUM_CRS         16
-#define NUM_ACRS        16
-
-#define NUM_CR_WORDS    3
-
-#define FPR_SIZE        8
-#define FPC_SIZE        4
-#define FPC_PAD_SIZE    4 /* gcc insists on aligning the fpregs */
-#define ACR_SIZE        4
-
-
-#define PTRACE_OLDSETOPTIONS         21
+#include <uapi/asm/ptrace.h>
 
 #ifndef __ASSEMBLY__
-#include <linux/stddef.h>
-#include <linux/types.h>
-
-typedef union
-{
-        float   f;
-        double  d;
-        __u64   ui;
-        struct
-        {
-                __u32 hi;
-                __u32 lo;
-        } fp;
-} freg_t;
-
-typedef struct
-{
-        __u32   fpc;
-        freg_t  fprs[NUM_FPRS];              
-} s390_fp_regs;
-
-#define FPC_EXCEPTION_MASK      0xF8000000
-#define FPC_FLAGS_MASK          0x00F80000
-#define FPC_DXC_MASK            0x0000FF00
-#define FPC_RM_MASK             0x00000003
-#define FPC_VALID_MASK          0xF8F8FF03
-
-/* this typedef defines how a Program Status Word looks like */
-typedef struct 
-{
-        unsigned long mask;
-        unsigned long addr;
-} __attribute__ ((aligned(8))) psw_t;
-
-typedef struct
-{
-        __u32   mask;
-        __u32   addr;
-} __attribute__ ((aligned(8))) psw_compat_t;
-
 #ifndef __s390x__
-
-#define PSW_MASK_PER            0x40000000UL
-#define PSW_MASK_DAT            0x04000000UL
-#define PSW_MASK_IO             0x02000000UL
-#define PSW_MASK_EXT            0x01000000UL
-#define PSW_MASK_KEY            0x00F00000UL
-#define PSW_MASK_BASE           0x00080000UL    /* always one */
-#define PSW_MASK_MCHECK         0x00040000UL
-#define PSW_MASK_WAIT           0x00020000UL
-#define PSW_MASK_PSTATE         0x00010000UL
-#define PSW_MASK_ASC            0x0000C000UL
-#define PSW_MASK_CC             0x00003000UL
-#define PSW_MASK_PM             0x00000F00UL
-#define PSW_MASK_RI             0x00000000UL
-#define PSW_MASK_EA             0x00000000UL
-#define PSW_MASK_BA             0x00000000UL
-
-#define PSW_MASK_USER           0x00003F00UL
-
-#define PSW_ADDR_AMODE          0x80000000UL
-#define PSW_ADDR_INSN           0x7FFFFFFFUL
-
-#define PSW_DEFAULT_KEY         (((unsigned long) PAGE_DEFAULT_ACC) << 20)
-
-#define PSW_ASC_PRIMARY         0x00000000UL
-#define PSW_ASC_ACCREG          0x00004000UL
-#define PSW_ASC_SECONDARY       0x00008000UL
-#define PSW_ASC_HOME            0x0000C000UL
-
 #else /* __s390x__ */
-
-#define PSW_MASK_PER            0x4000000000000000UL
-#define PSW_MASK_DAT            0x0400000000000000UL
-#define PSW_MASK_IO             0x0200000000000000UL
-#define PSW_MASK_EXT            0x0100000000000000UL
-#define PSW_MASK_BASE           0x0000000000000000UL
-#define PSW_MASK_KEY            0x00F0000000000000UL
-#define PSW_MASK_MCHECK         0x0004000000000000UL
-#define PSW_MASK_WAIT           0x0002000000000000UL
-#define PSW_MASK_PSTATE         0x0001000000000000UL
-#define PSW_MASK_ASC            0x0000C00000000000UL
-#define PSW_MASK_CC             0x0000300000000000UL
-#define PSW_MASK_PM             0x00000F0000000000UL
-#define PSW_MASK_RI             0x0000008000000000UL
-#define PSW_MASK_EA             0x0000000100000000UL
-#define PSW_MASK_BA             0x0000000080000000UL
-
-#define PSW_MASK_USER           0x00003F8180000000UL
-
-#define PSW_ADDR_AMODE          0x0000000000000000UL
-#define PSW_ADDR_INSN           0xFFFFFFFFFFFFFFFFUL
-
-#define PSW_DEFAULT_KEY         (((unsigned long) PAGE_DEFAULT_ACC) << 52)
-
-#define PSW_ASC_PRIMARY         0x0000000000000000UL
-#define PSW_ASC_ACCREG          0x0000400000000000UL
-#define PSW_ASC_SECONDARY       0x0000800000000000UL
-#define PSW_ASC_HOME            0x0000C00000000000UL
-
 #endif /* __s390x__ */
-
-#ifdef __KERNEL__
 extern long psw_kernel_bits;
 extern long psw_user_bits;
-#endif
-
-/*
- * The s390_regs structure is used to define the elf_gregset_t.
- */
-typedef struct
-{
-        psw_t psw;
-        unsigned long gprs[NUM_GPRS];
-        unsigned int  acrs[NUM_ACRS];
-        unsigned long orig_gpr2;
-} s390_regs;
-
-typedef struct
-{
-        psw_compat_t    psw;
-        __u32           gprs[NUM_GPRS];
-        __u32           acrs[NUM_ACRS];
-        __u32           orig_gpr2;
-} s390_compat_regs;
-
-typedef struct
-{
-        __u32           gprs_high[NUM_GPRS];
-} s390_compat_regs_high;
-
-#ifdef __KERNEL__
 
 /*
  * The pt_regs struct defines the way the registers are stored on
@@ -376,167 +77,8 @@ struct per_struct_kernel {
 #define PER_CONTROL_SUSPENSION          0x00400000UL
 #define PER_CONTROL_ALTERATION          0x00200000UL
 
-#endif
-
-/*
- * Now for the user space program event recording (trace) definitions.
- * The following structures are used only for the ptrace interface, don't
- * touch or even look at it if you don't want to modify the user-space
- * ptrace interface. In particular stay away from it for in-kernel PER.
- */
-typedef struct
-{
-        unsigned long cr[NUM_CR_WORDS];
-} per_cr_words;
-
-#define PER_EM_MASK 0xE8000000UL
-
-typedef struct
-{
 #ifdef __s390x__
-        unsigned                       : 32;
 #endif /* __s390x__ */
-        unsigned em_branching          : 1;
-        unsigned em_instruction_fetch  : 1;
-        /*
-         * Switching on storage alteration automatically fixes
-         * the storage alteration event bit in the users std.
-         */
-        unsigned em_storage_alteration : 1;
-        unsigned em_gpr_alt_unused     : 1;
-        unsigned em_store_real_address : 1;
-        unsigned                       : 3;
-        unsigned branch_addr_ctl       : 1;
-        unsigned                       : 1;
-        unsigned storage_alt_space_ctl : 1;
-        unsigned                       : 21;
-        unsigned long starting_addr;
-        unsigned long ending_addr;
-} per_cr_bits;
-
-typedef struct
-{
-        unsigned short perc_atmid;
-        unsigned long address;
-        unsigned char access_id;
-} per_lowcore_words;
-
-typedef struct
-{
-        unsigned perc_branching          : 1;
-        unsigned perc_instruction_fetch  : 1;
-        unsigned perc_storage_alteration : 1;
-        unsigned perc_gpr_alt_unused     : 1;
-        unsigned perc_store_real_address : 1;
-        unsigned                         : 3;
-        unsigned atmid_psw_bit_31        : 1;
-        unsigned atmid_validity_bit      : 1;
-        unsigned atmid_psw_bit_32        : 1;
-        unsigned atmid_psw_bit_5         : 1;
-        unsigned atmid_psw_bit_16        : 1;
-        unsigned atmid_psw_bit_17        : 1;
-        unsigned si                      : 2;
-        unsigned long address;
-        unsigned                         : 4;
-        unsigned access_id               : 4;
-} per_lowcore_bits;
-
-typedef struct
-{
-        union {
-                per_cr_words   words;
-                per_cr_bits    bits;
-        } control_regs;
-        /*
-         * Use these flags instead of setting em_instruction_fetch
-         * directly they are used so that single stepping can be
-         * switched on & off while not affecting other tracing
-         */
-        unsigned  single_step       : 1;
-        unsigned  instruction_fetch : 1;
-        unsigned                    : 30;
-        /*
-         * These addresses are copied into cr10 & cr11 if single
-         * stepping is switched off
-         */
-        unsigned long starting_addr;
-        unsigned long ending_addr;
-        union {
-                per_lowcore_words words;
-                per_lowcore_bits  bits;
-        } lowcore; 
-} per_struct;
-
-typedef struct
-{
-        unsigned int  len;
-        unsigned long kernel_addr;
-        unsigned long process_addr;
-} ptrace_area;
-
-/*
- * S/390 specific non posix ptrace requests. I chose unusual values so
- * they are unlikely to clash with future ptrace definitions.
- */
-#define PTRACE_PEEKUSR_AREA           0x5000
-#define PTRACE_POKEUSR_AREA           0x5001
-#define PTRACE_PEEKTEXT_AREA          0x5002
-#define PTRACE_PEEKDATA_AREA          0x5003
-#define PTRACE_POKETEXT_AREA          0x5004
-#define PTRACE_POKEDATA_AREA          0x5005
-#define PTRACE_GET_LAST_BREAK         0x5006
-#define PTRACE_PEEK_SYSTEM_CALL       0x5007
-#define PTRACE_POKE_SYSTEM_CALL       0x5008
-#define PTRACE_ENABLE_TE              0x5009
-#define PTRACE_DISABLE_TE             0x5010
-
-/*
- * PT_PROT definition is loosely based on hppa bsd definition in
- * gdb/hppab-nat.c
- */
-#define PTRACE_PROT                       21
-
-typedef enum
-{
-        ptprot_set_access_watchpoint,
-        ptprot_set_write_watchpoint,
-        ptprot_disable_watchpoint
-} ptprot_flags;
-
-typedef struct
-{
-        unsigned long lowaddr;
-        unsigned long hiaddr;
-        ptprot_flags prot;
-} ptprot_area;                     
-
-/* Sequence of bytes for breakpoint illegal instruction.  */
-#define S390_BREAKPOINT     {0x0,0x1}
-#define S390_BREAKPOINT_U16 ((__u16)0x0001)
-#define S390_SYSCALL_OPCODE ((__u16)0x0a00)
-#define S390_SYSCALL_SIZE   2
-
-/*
- * The user_regs_struct defines the way the user registers are
- * store on the stack for signal handling.
- */
-struct user_regs_struct
-{
-        psw_t psw;
-        unsigned long gprs[NUM_GPRS];
-        unsigned int  acrs[NUM_ACRS];
-        unsigned long orig_gpr2;
-        s390_fp_regs fp_regs;
-        /*
-         * These per registers are in here so that gdb can modify them
-         * itself as there is no "official" ptrace interface for hardware
-         * watchpoints. This is the way intel does it.
-         */
-        per_struct per_info;
-        unsigned long ieee_instruction_pointer; /* obsolete, always 0 */
-};
-
-#ifdef __KERNEL__
 /*
  * These are defined as per linux/ptrace.h, which see.
  */
@@ -562,7 +104,5 @@ static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)
         return regs->gprs[15] & PSW_ADDR_INSN;
 }
 
-#endif /* __KERNEL__ */
 #endif /* __ASSEMBLY__ */
-
 #endif /* _S390_PTRACE_H */
diff --git a/arch/s390/include/asm/schid.h b/arch/s390/include/asm/schid.h
index 3e4d401b4e45..40b47dfa9d66 100644
--- a/arch/s390/include/asm/schid.h
+++ b/arch/s390/include/asm/schid.h
@@ -1,19 +1,8 @@
 #ifndef ASM_SCHID_H
 #define ASM_SCHID_H
 
-#include <linux/types.h>
-
-struct subchannel_id {
-        __u32 cssid : 8;
-        __u32 : 4;
-        __u32 m : 1;
-        __u32 ssid : 2;
-        __u32 one : 1;
-        __u32 sch_no : 16;
-} __attribute__ ((packed, aligned(4)));
-
-#ifdef __KERNEL__
 #include <linux/string.h>
+#include <uapi/asm/schid.h>
 
 /* Helper function for sane state of pre-allocated subchannel_id. */
 static inline void
@@ -29,6 +18,4 @@ schid_equal(struct subchannel_id *schid1, struct subchannel_id *schid2)
         return !memcmp(schid1, schid2, sizeof(struct subchannel_id));
 }
 
-#endif /* __KERNEL__ */
-
 #endif /* ASM_SCHID_H */
diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h
index 87b47ca954f1..f69f76b3447a 100644
--- a/arch/s390/include/asm/setup.h
+++ b/arch/s390/include/asm/setup.h
@@ -2,15 +2,11 @@
  *  S390 version
  *    Copyright IBM Corp. 1999, 2010
  */
-
 #ifndef _ASM_S390_SETUP_H
 #define _ASM_S390_SETUP_H
 
-#define COMMAND_LINE_SIZE       4096
-
-#define ARCH_COMMAND_LINE_SIZE  896
+#include <uapi/asm/setup.h>
 
-#ifdef __KERNEL__
 
 #define PARMAREA                0x10400
 #define MEMORY_CHUNKS           256
@@ -75,18 +71,21 @@ extern unsigned int s390_user_mode;
 #define MACHINE_FLAG_DIAG9C     (1UL << 7)
 #define MACHINE_FLAG_MVCOS      (1UL << 8)
 #define MACHINE_FLAG_KVM        (1UL << 9)
-#define MACHINE_FLAG_HPAGE      (1UL << 10)
-#define MACHINE_FLAG_PFMF       (1UL << 11)
+#define MACHINE_FLAG_EDAT1      (1UL << 10)
+#define MACHINE_FLAG_EDAT2      (1UL << 11)
 #define MACHINE_FLAG_LPAR       (1UL << 12)
 #define MACHINE_FLAG_SPP        (1UL << 13)
 #define MACHINE_FLAG_TOPOLOGY   (1UL << 14)
 #define MACHINE_FLAG_TE         (1UL << 15)
+#define MACHINE_FLAG_RRBM       (1UL << 16)
 
 #define MACHINE_IS_VM           (S390_lowcore.machine_flags & MACHINE_FLAG_VM)
 #define MACHINE_IS_KVM          (S390_lowcore.machine_flags & MACHINE_FLAG_KVM)
 #define MACHINE_IS_LPAR         (S390_lowcore.machine_flags & MACHINE_FLAG_LPAR)
 
 #define MACHINE_HAS_DIAG9C      (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C)
+#define MACHINE_HAS_PFMF        MACHINE_HAS_EDAT1
+#define MACHINE_HAS_HPAGE       MACHINE_HAS_EDAT1
 
 #ifndef CONFIG_64BIT
 #define MACHINE_HAS_IEEE        (S390_lowcore.machine_flags & MACHINE_FLAG_IEEE)
@@ -95,11 +94,12 @@ extern unsigned int s390_user_mode;
 #define MACHINE_HAS_DIAG44      (1)
 #define MACHINE_HAS_MVPG        (S390_lowcore.machine_flags & MACHINE_FLAG_MVPG)
 #define MACHINE_HAS_MVCOS       (0)
-#define MACHINE_HAS_HPAGE       (0)
-#define MACHINE_HAS_PFMF        (0)
+#define MACHINE_HAS_EDAT1       (0)
+#define MACHINE_HAS_EDAT2       (0)
 #define MACHINE_HAS_SPP         (0)
 #define MACHINE_HAS_TOPOLOGY    (0)
-#define MACHINE_HAS_TE                (0)
+#define MACHINE_HAS_TE          (0)
+#define MACHINE_HAS_RRBM        (0)
 #else /* CONFIG_64BIT */
 #define MACHINE_HAS_IEEE        (1)
 #define MACHINE_HAS_CSP         (1)
@@ -107,11 +107,12 @@ extern unsigned int s390_user_mode;
 #define MACHINE_HAS_DIAG44      (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44)
 #define MACHINE_HAS_MVPG        (1)
 #define MACHINE_HAS_MVCOS       (S390_lowcore.machine_flags & MACHINE_FLAG_MVCOS)
-#define MACHINE_HAS_HPAGE       (S390_lowcore.machine_flags & MACHINE_FLAG_HPAGE)
-#define MACHINE_HAS_PFMF        (S390_lowcore.machine_flags & MACHINE_FLAG_PFMF)
+#define MACHINE_HAS_EDAT1       (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT1)
+#define MACHINE_HAS_EDAT2       (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT2)
 #define MACHINE_HAS_SPP         (S390_lowcore.machine_flags & MACHINE_FLAG_SPP)
 #define MACHINE_HAS_TOPOLOGY    (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY)
 #define MACHINE_HAS_TE          (S390_lowcore.machine_flags & MACHINE_FLAG_TE)
+#define MACHINE_HAS_RRBM        (S390_lowcore.machine_flags & MACHINE_FLAG_RRBM)
 #endif /* CONFIG_64BIT */
 
 #define ZFCPDUMP_HSA_SIZE       (32UL<<20)
@@ -170,5 +171,4 @@ extern void (*_machine_power_off)(void);
 #define COMMAND_LINE      0x10480
 
 #endif /* __ASSEMBLY__ */
-#endif /* __KERNEL__ */
 #endif /* _ASM_S390_SETUP_H */
diff --git a/arch/s390/include/asm/signal.h b/arch/s390/include/asm/signal.h
index 6d4d9d1faee9..bffdbdd5b3d7 100644
--- a/arch/s390/include/asm/signal.h
+++ b/arch/s390/include/asm/signal.h
@@ -3,18 +3,11 @@
  *
  *  Derived from "include/asm-i386/signal.h"
  */
-
 #ifndef _ASMS390_SIGNAL_H
 #define _ASMS390_SIGNAL_H
 
-#include <linux/types.h>
-#include <linux/time.h>
-
-/* Avoid too many header ordering problems.  */
-struct siginfo;
-struct pt_regs;
+#include <uapi/asm/signal.h>
 
-#ifdef __KERNEL__
 /* Most things should be clean enough to redefine this at will, if care
    is taken to make libc match.  */
 #include <asm/sigcontext.h>
@@ -28,94 +21,6 @@ typedef struct {
         unsigned long sig[_NSIG_WORDS];
 } sigset_t;
 
-#else
-/* Here we must cater to libcs that poke about in kernel headers.  */
-
-#define NSIG            32
-typedef unsigned long sigset_t;
-
-#endif /* __KERNEL__ */
-
-#define SIGHUP           1
-#define SIGINT           2
-#define SIGQUIT          3
-#define SIGILL           4
-#define SIGTRAP          5
-#define SIGABRT          6
-#define SIGIOT           6
-#define SIGBUS           7
-#define SIGFPE           8
-#define SIGKILL          9
-#define SIGUSR1         10
-#define SIGSEGV         11
-#define SIGUSR2         12
-#define SIGPIPE         13
-#define SIGALRM         14
-#define SIGTERM         15
-#define SIGSTKFLT       16
-#define SIGCHLD         17
-#define SIGCONT         18
-#define SIGSTOP         19
-#define SIGTSTP         20
-#define SIGTTIN         21
-#define SIGTTOU         22
-#define SIGURG          23
-#define SIGXCPU         24
-#define SIGXFSZ         25
-#define SIGVTALRM       26
-#define SIGPROF         27
-#define SIGWINCH        28
-#define SIGIO           29
-#define SIGPOLL         SIGIO
-/*
-#define SIGLOST         29
-*/
-#define SIGPWR          30
-#define SIGSYS          31
-#define SIGUNUSED       31
-
-/* These should not be considered constants from userland.  */
-#define SIGRTMIN        32
-#define SIGRTMAX        _NSIG
-
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-#define SA_NOCLDSTOP    0x00000001
-#define SA_NOCLDWAIT    0x00000002
-#define SA_SIGINFO      0x00000004
-#define SA_ONSTACK      0x08000000
-#define SA_RESTART      0x10000000
-#define SA_NODEFER      0x40000000
-#define SA_RESETHAND    0x80000000
-
-#define SA_NOMASK       SA_NODEFER
-#define SA_ONESHOT      SA_RESETHAND
-
-#define SA_RESTORER     0x04000000
-
-/*
- * sigaltstack controls
- */
-#define SS_ONSTACK      1
-#define SS_DISABLE      2
-
-#define MINSIGSTKSZ     2048
-#define SIGSTKSZ        8192
-
-#include <asm-generic/signal-defs.h>
-
-#ifdef __KERNEL__
 struct old_sigaction {
         __sighandler_t sa_handler;
         old_sigset_t sa_mask;
@@ -136,35 +41,4 @@ struct k_sigaction {
 
 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
 
-#else
-/* Here we must cater to libcs that poke about in kernel headers.  */
-
-struct sigaction {
-        union {
-          __sighandler_t _sa_handler;
-          void (*_sa_sigaction)(int, struct siginfo *, void *);
-        } _u;
-#ifndef __s390x__ /* lovely */
-        sigset_t sa_mask;
-        unsigned long sa_flags;
-        void (*sa_restorer)(void);
-#else  /* __s390x__ */
-        unsigned long sa_flags;
-        void (*sa_restorer)(void);
-        sigset_t sa_mask;
-#endif /* __s390x__ */
-};
-
-#define sa_handler      _u._sa_handler
-#define sa_sigaction    _u._sa_sigaction
-
-#endif /* __KERNEL__ */
-
-typedef struct sigaltstack {
-        void __user *ss_sp;
-        int ss_flags;
-        size_t ss_size;
-} stack_t;
-
-
 #endif
diff --git a/arch/s390/include/asm/termios.h b/arch/s390/include/asm/termios.h
index cb9fe2786b81..db028d17f061 100644
--- a/arch/s390/include/asm/termios.h
+++ b/arch/s390/include/asm/termios.h
@@ -3,49 +3,11 @@
  *
  *  Derived from "include/asm-i386/termios.h"
  */
-
 #ifndef _S390_TERMIOS_H
 #define _S390_TERMIOS_H
 
-#include <asm/termbits.h>
-#include <asm/ioctls.h>
-
-struct winsize {
-        unsigned short ws_row;
-        unsigned short ws_col;
-        unsigned short ws_xpixel;
-        unsigned short ws_ypixel;
-};
-
-#define NCC 8
-struct termio {
-        unsigned short c_iflag;         /* input mode flags */
-        unsigned short c_oflag;         /* output mode flags */
-        unsigned short c_cflag;         /* control mode flags */
-        unsigned short c_lflag;         /* local mode flags */
-        unsigned char c_line;           /* line discipline */
-        unsigned char c_cc[NCC];        /* control characters */
-};
+#include <uapi/asm/termios.h>
 
-/* modem lines */
-#define TIOCM_LE        0x001
-#define TIOCM_DTR       0x002
-#define TIOCM_RTS       0x004
-#define TIOCM_ST        0x008
-#define TIOCM_SR        0x010
-#define TIOCM_CTS       0x020
-#define TIOCM_CAR       0x040
-#define TIOCM_RNG       0x080
-#define TIOCM_DSR       0x100
-#define TIOCM_CD        TIOCM_CAR
-#define TIOCM_RI        TIOCM_RNG
-#define TIOCM_OUT1      0x2000
-#define TIOCM_OUT2      0x4000
-#define TIOCM_LOOP      0x8000
-
-/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
-
-#ifdef __KERNEL__
 
 /*      intr=^C         quit=^\         erase=del       kill=^U
         eof=^D          vtime=\0        vmin=\1         sxtc=\0
@@ -60,6 +22,4 @@ struct termio {
 
 #include <asm-generic/termios-base.h>
 
-#endif  /* __KERNEL__ */
-
 #endif  /* _S390_TERMIOS_H */
diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
index bb08e2afc5de..9e2cfe0349c3 100644
--- a/arch/s390/include/asm/thread_info.h
+++ b/arch/s390/include/asm/thread_info.h
@@ -91,8 +91,6 @@ static inline struct thread_info *current_thread_info(void)
 #define TIF_SYSCALL_AUDIT       9       /* syscall auditing active */
 #define TIF_SECCOMP             10      /* secure computing */
 #define TIF_SYSCALL_TRACEPOINT  11      /* syscall tracepoint instrumentation */
-#define TIF_POLLING_NRFLAG      16      /* true if poll_idle() is polling
-                                           TIF_NEED_RESCHED */
 #define TIF_31BIT               17      /* 32bit process */
 #define TIF_MEMDIE              18      /* is terminating due to OOM killer */
 #define TIF_RESTORE_SIGMASK     19      /* restore signal mask in do_signal() */
@@ -100,7 +98,6 @@ static inline struct thread_info *current_thread_info(void)
 
 #define _TIF_SYSCALL            (1<<TIF_SYSCALL)
 #define _TIF_NOTIFY_RESUME      (1<<TIF_NOTIFY_RESUME)
-#define _TIF_RESTORE_SIGMASK    (1<<TIF_RESTORE_SIGMASK)
 #define _TIF_SIGPENDING         (1<<TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED       (1<<TIF_NEED_RESCHED)
 #define _TIF_PER_TRAP           (1<<TIF_PER_TRAP)
@@ -109,7 +106,6 @@ static inline struct thread_info *current_thread_info(void)
 #define _TIF_SYSCALL_AUDIT      (1<<TIF_SYSCALL_AUDIT)
 #define _TIF_SECCOMP            (1<<TIF_SECCOMP)
 #define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT)
-#define _TIF_POLLING_NRFLAG     (1<<TIF_POLLING_NRFLAG)
 #define _TIF_31BIT              (1<<TIF_31BIT)
 #define _TIF_SINGLE_STEP        (1<<TIF_SINGLE_STEP)
 
diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h
index 06e5acbc84bd..b75d7d686684 100644
--- a/arch/s390/include/asm/tlb.h
+++ b/arch/s390/include/asm/tlb.h
@@ -137,6 +137,7 @@ static inline void pud_free_tlb(struct mmu_gather *tlb, pud_t *pud,
 #define tlb_start_vma(tlb, vma)                 do { } while (0)
 #define tlb_end_vma(tlb, vma)                   do { } while (0)
 #define tlb_remove_tlb_entry(tlb, ptep, addr)   do { } while (0)
+#define tlb_remove_pmd_tlb_entry(tlb, pmdp, addr)       do { } while (0)
 #define tlb_migrate_finish(mm)                  do { } while (0)
 
 #endif /* _S390_TLB_H */
diff --git a/arch/s390/include/asm/types.h b/arch/s390/include/asm/types.h
index 6ba7c2c7217a..dccef3ca91fa 100644
--- a/arch/s390/include/asm/types.h
+++ b/arch/s390/include/asm/types.h
@@ -3,26 +3,14 @@
  *
  *  Derived from "include/asm-i386/types.h"
  */
-
 #ifndef _S390_TYPES_H
 #define _S390_TYPES_H
 
-#include <asm-generic/int-ll64.h>
-
-#ifndef __ASSEMBLY__
-
-/* A address type so that arithmetic can be done on it & it can be upgraded to
-   64 bit when necessary 
-*/
-typedef unsigned long addr_t; 
-typedef __signed__ long saddr_t;
-
-#endif /* __ASSEMBLY__ */
+#include <uapi/asm/types.h>
 
 /*
  * These aren't exported outside the kernel to avoid name space clashes
  */
-#ifdef __KERNEL__
 
 #ifndef __ASSEMBLY__
 
@@ -37,5 +25,4 @@ typedef union {
 
 #endif /* ! CONFIG_64BIT   */
 #endif /* __ASSEMBLY__  */
-#endif /* __KERNEL__    */
 #endif /* _S390_TYPES_H */
diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h
index 4e64b5cd1558..bbbae41fa9a5 100644
--- a/arch/s390/include/asm/unistd.h
+++ b/arch/s390/include/asm/unistd.h
@@ -3,375 +3,11 @@
  *
  *  Derived from "include/asm-i386/unistd.h"
  */
-
 #ifndef _ASM_S390_UNISTD_H_
 #define _ASM_S390_UNISTD_H_
 
-/*
- * This file contains the system call numbers.
- */
-
-#define __NR_exit                 1
-#define __NR_fork                 2
-#define __NR_read                 3
-#define __NR_write                4
-#define __NR_open                 5
-#define __NR_close                6
-#define __NR_restart_syscall      7
-#define __NR_creat                8
-#define __NR_link                 9
-#define __NR_unlink              10
-#define __NR_execve              11
-#define __NR_chdir               12
-#define __NR_mknod               14
-#define __NR_chmod               15
-#define __NR_lseek               19
-#define __NR_getpid              20
-#define __NR_mount               21
-#define __NR_umount              22
-#define __NR_ptrace              26
-#define __NR_alarm               27
-#define __NR_pause               29
-#define __NR_utime               30
-#define __NR_access              33
-#define __NR_nice                34
-#define __NR_sync                36
-#define __NR_kill                37
-#define __NR_rename              38
-#define __NR_mkdir               39
-#define __NR_rmdir               40
-#define __NR_dup                 41
-#define __NR_pipe                42
-#define __NR_times               43
-#define __NR_brk                 45
-#define __NR_signal              48
-#define __NR_acct                51
-#define __NR_umount2             52
-#define __NR_ioctl               54
-#define __NR_fcntl               55
-#define __NR_setpgid             57
-#define __NR_umask               60
-#define __NR_chroot              61
-#define __NR_ustat               62
-#define __NR_dup2                63
-#define __NR_getppid             64
-#define __NR_getpgrp             65
-#define __NR_setsid              66
-#define __NR_sigaction           67
-#define __NR_sigsuspend          72
-#define __NR_sigpending          73
-#define __NR_sethostname         74
-#define __NR_setrlimit           75
-#define __NR_getrusage           77
-#define __NR_gettimeofday        78
-#define __NR_settimeofday        79
-#define __NR_symlink             83
-#define __NR_readlink            85
-#define __NR_uselib              86
-#define __NR_swapon              87
-#define __NR_reboot              88
-#define __NR_readdir             89
-#define __NR_mmap                90
-#define __NR_munmap              91
-#define __NR_truncate            92
-#define __NR_ftruncate           93
-#define __NR_fchmod              94
-#define __NR_getpriority         96
-#define __NR_setpriority         97
-#define __NR_statfs              99
-#define __NR_fstatfs            100
-#define __NR_socketcall         102
-#define __NR_syslog             103
-#define __NR_setitimer          104
-#define __NR_getitimer          105
-#define __NR_stat               106
-#define __NR_lstat              107
-#define __NR_fstat              108
-#define __NR_lookup_dcookie     110
-#define __NR_vhangup            111
-#define __NR_idle               112
-#define __NR_wait4              114
-#define __NR_swapoff            115
-#define __NR_sysinfo            116
-#define __NR_ipc                117
-#define __NR_fsync              118
-#define __NR_sigreturn          119
-#define __NR_clone              120
-#define __NR_setdomainname      121
-#define __NR_uname              122
-#define __NR_adjtimex           124
-#define __NR_mprotect           125
-#define __NR_sigprocmask        126
-#define __NR_create_module      127
-#define __NR_init_module        128
-#define __NR_delete_module      129
-#define __NR_get_kernel_syms    130
-#define __NR_quotactl           131
-#define __NR_getpgid            132
-#define __NR_fchdir             133
-#define __NR_bdflush            134
-#define __NR_sysfs              135
-#define __NR_personality        136
-#define __NR_afs_syscall        137 /* Syscall for Andrew File System */
-#define __NR_getdents           141
-#define __NR_flock              143
-#define __NR_msync              144
-#define __NR_readv              145
-#define __NR_writev             146
-#define __NR_getsid             147
-#define __NR_fdatasync          148
-#define __NR__sysctl            149
-#define __NR_mlock              150
-#define __NR_munlock            151
-#define __NR_mlockall           152
-#define __NR_munlockall         153
-#define __NR_sched_setparam             154
-#define __NR_sched_getparam             155
-#define __NR_sched_setscheduler         156
-#define __NR_sched_getscheduler         157
-#define __NR_sched_yield                158
-#define __NR_sched_get_priority_max     159
-#define __NR_sched_get_priority_min     160
-#define __NR_sched_rr_get_interval      161
-#define __NR_nanosleep          162
-#define __NR_mremap             163
-#define __NR_query_module       167
-#define __NR_poll               168
-#define __NR_nfsservctl         169
-#define __NR_prctl              172
-#define __NR_rt_sigreturn       173
-#define __NR_rt_sigaction       174
-#define __NR_rt_sigprocmask     175
-#define __NR_rt_sigpending      176
-#define __NR_rt_sigtimedwait    177
-#define __NR_rt_sigqueueinfo    178
-#define __NR_rt_sigsuspend      179
-#define __NR_pread64            180
-#define __NR_pwrite64           181
-#define __NR_getcwd             183
-#define __NR_capget             184
-#define __NR_capset             185
-#define __NR_sigaltstack        186
-#define __NR_sendfile           187
-#define __NR_getpmsg            188
-#define __NR_putpmsg            189
-#define __NR_vfork              190
-#define __NR_pivot_root         217
-#define __NR_mincore            218
-#define __NR_madvise            219
-#define __NR_getdents64         220
-#define __NR_readahead          222
-#define __NR_setxattr           224
-#define __NR_lsetxattr          225
-#define __NR_fsetxattr          226
-#define __NR_getxattr           227
-#define __NR_lgetxattr          228
-#define __NR_fgetxattr          229
-#define __NR_listxattr          230
-#define __NR_llistxattr         231
-#define __NR_flistxattr         232
-#define __NR_removexattr        233
-#define __NR_lremovexattr       234
-#define __NR_fremovexattr       235
-#define __NR_gettid             236
-#define __NR_tkill              237
-#define __NR_futex              238
-#define __NR_sched_setaffinity  239
-#define __NR_sched_getaffinity  240
-#define __NR_tgkill             241
-/* Number 242 is reserved for tux */
-#define __NR_io_setup           243
-#define __NR_io_destroy         244
-#define __NR_io_getevents       245
-#define __NR_io_submit          246
-#define __NR_io_cancel          247
-#define __NR_exit_group         248
-#define __NR_epoll_create       249
-#define __NR_epoll_ctl          250
-#define __NR_epoll_wait         251
-#define __NR_set_tid_address    252
-#define __NR_fadvise64          253
-#define __NR_timer_create       254
-#define __NR_timer_settime      (__NR_timer_create+1)
-#define __NR_timer_gettime      (__NR_timer_create+2)
-#define __NR_timer_getoverrun   (__NR_timer_create+3)
-#define __NR_timer_delete       (__NR_timer_create+4)
-#define __NR_clock_settime      (__NR_timer_create+5)
-#define __NR_clock_gettime      (__NR_timer_create+6)
-#define __NR_clock_getres       (__NR_timer_create+7)
-#define __NR_clock_nanosleep    (__NR_timer_create+8)
-/* Number 263 is reserved for vserver */
-#define __NR_statfs64           265
-#define __NR_fstatfs64          266
-#define __NR_remap_file_pages   267
-/* Number 268 is reserved for new sys_mbind */
-/* Number 269 is reserved for new sys_get_mempolicy */
-/* Number 270 is reserved for new sys_set_mempolicy */
-#define __NR_mq_open            271
-#define __NR_mq_unlink          272
-#define __NR_mq_timedsend       273
-#define __NR_mq_timedreceive    274
-#define __NR_mq_notify          275
-#define __NR_mq_getsetattr      276
-#define __NR_kexec_load         277
-#define __NR_add_key            278
-#define __NR_request_key        279
-#define __NR_keyctl             280
-#define __NR_waitid             281
-#define __NR_ioprio_set         282
-#define __NR_ioprio_get         283
-#define __NR_inotify_init       284
-#define __NR_inotify_add_watch  285
-#define __NR_inotify_rm_watch   286
-/* Number 287 is reserved for new sys_migrate_pages */
-#define __NR_openat             288
-#define __NR_mkdirat            289
-#define __NR_mknodat            290
-#define __NR_fchownat           291
-#define __NR_futimesat          292
-#define __NR_unlinkat           294
-#define __NR_renameat           295
-#define __NR_linkat             296
-#define __NR_symlinkat          297
-#define __NR_readlinkat         298
-#define __NR_fchmodat           299
-#define __NR_faccessat          300
-#define __NR_pselect6           301
-#define __NR_ppoll              302
-#define __NR_unshare            303
-#define __NR_set_robust_list    304
-#define __NR_get_robust_list    305
-#define __NR_splice             306
-#define __NR_sync_file_range    307
-#define __NR_tee                308
-#define __NR_vmsplice           309
-/* Number 310 is reserved for new sys_move_pages */
-#define __NR_getcpu             311
-#define __NR_epoll_pwait        312
-#define __NR_utimes             313
-#define __NR_fallocate          314
-#define __NR_utimensat          315
-#define __NR_signalfd           316
-#define __NR_timerfd            317
-#define __NR_eventfd            318
-#define __NR_timerfd_create     319
-#define __NR_timerfd_settime    320
-#define __NR_timerfd_gettime    321
-#define __NR_signalfd4          322
-#define __NR_eventfd2           323
-#define __NR_inotify_init1      324
-#define __NR_pipe2              325
-#define __NR_dup3               326
-#define __NR_epoll_create1      327
-#define __NR_preadv             328
-#define __NR_pwritev            329
-#define __NR_rt_tgsigqueueinfo  330
-#define __NR_perf_event_open    331
-#define __NR_fanotify_init      332
-#define __NR_fanotify_mark      333
-#define __NR_prlimit64          334
-#define __NR_name_to_handle_at  335
-#define __NR_open_by_handle_at  336
-#define __NR_clock_adjtime      337
-#define __NR_syncfs             338
-#define __NR_setns              339
-#define __NR_process_vm_readv   340
-#define __NR_process_vm_writev  341
-#define __NR_s390_runtime_instr 342
-#define __NR_kcmp               343
-#define NR_syscalls 344
-
-/* 
- * There are some system calls that are not present on 64 bit, some
- * have a different name although they do the same (e.g. __NR_chown32
- * is __NR_chown on 64 bit).
- */
-#ifndef __s390x__
-
-#define __NR_time                13
-#define __NR_lchown              16
-#define __NR_setuid              23
-#define __NR_getuid              24
-#define __NR_stime               25
-#define __NR_setgid              46
-#define __NR_getgid              47
-#define __NR_geteuid             49
-#define __NR_getegid             50
-#define __NR_setreuid            70
-#define __NR_setregid            71
-#define __NR_getrlimit           76
-#define __NR_getgroups           80
-#define __NR_setgroups           81
-#define __NR_fchown              95
-#define __NR_ioperm             101
-#define __NR_setfsuid           138
-#define __NR_setfsgid           139
-#define __NR__llseek            140
-#define __NR__newselect         142
-#define __NR_setresuid          164
-#define __NR_getresuid          165
-#define __NR_setresgid          170
-#define __NR_getresgid          171
-#define __NR_chown              182
-#define __NR_ugetrlimit         191     /* SuS compliant getrlimit */
-#define __NR_mmap2              192
-#define __NR_truncate64         193
-#define __NR_ftruncate64        194
-#define __NR_stat64             195
-#define __NR_lstat64            196
-#define __NR_fstat64            197
-#define __NR_lchown32           198
-#define __NR_getuid32           199
-#define __NR_getgid32           200
-#define __NR_geteuid32          201
-#define __NR_getegid32          202
-#define __NR_setreuid32         203
-#define __NR_setregid32         204
-#define __NR_getgroups32        205
-#define __NR_setgroups32        206
-#define __NR_fchown32           207
-#define __NR_setresuid32        208
-#define __NR_getresuid32        209
-#define __NR_setresgid32        210
-#define __NR_getresgid32        211
-#define __NR_chown32            212
-#define __NR_setuid32           213
-#define __NR_setgid32           214
-#define __NR_setfsuid32         215
-#define __NR_setfsgid32         216
-#define __NR_fcntl64            221
-#define __NR_sendfile64         223
-#define __NR_fadvise64_64       264
-#define __NR_fstatat64          293
-
-#else
-
-#define __NR_select             142
-#define __NR_getrlimit          191     /* SuS compliant getrlimit */
-#define __NR_lchown             198
-#define __NR_getuid             199
-#define __NR_getgid             200
-#define __NR_geteuid            201
-#define __NR_getegid            202
-#define __NR_setreuid           203
-#define __NR_setregid           204
-#define __NR_getgroups          205
-#define __NR_setgroups          206
-#define __NR_fchown             207
-#define __NR_setresuid          208
-#define __NR_getresuid          209
-#define __NR_setresgid          210
-#define __NR_getresgid          211
-#define __NR_chown              212
-#define __NR_setuid             213
-#define __NR_setgid             214
-#define __NR_setfsuid           215
-#define __NR_setfsgid           216
-#define __NR_newfstatat         293
-
-#endif
+#include <uapi/asm/unistd.h>
 
-#ifdef __KERNEL__
 
 #ifndef CONFIG_64BIT
 #define __IGNORE_select
@@ -417,6 +53,8 @@
 #   define __ARCH_WANT_COMPAT_SYS_TIME
 #   define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND
 # endif
+#define __ARCH_WANT_SYS_EXECVE
+#define __ARCH_WANT_KERNEL_EXECVE
 
 /*
  * "Conditional" syscalls
@@ -426,5 +64,4 @@
  */
 #define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
 
-#endif /* __KERNEL__ */
 #endif /* _ASM_S390_UNISTD_H_ */
diff --git a/arch/s390/include/uapi/asm/Kbuild b/arch/s390/include/uapi/asm/Kbuild
index baebb3da1d44..7bf68fff7c5d 100644
--- a/arch/s390/include/uapi/asm/Kbuild
+++ b/arch/s390/include/uapi/asm/Kbuild
@@ -1,3 +1,48 @@
 # UAPI Header export list
 include include/uapi/asm-generic/Kbuild.asm
 
+header-y += auxvec.h
+header-y += bitsperlong.h
+header-y += byteorder.h
+header-y += chpid.h
+header-y += chsc.h
+header-y += cmb.h
+header-y += dasd.h
+header-y += debug.h
+header-y += errno.h
+header-y += fcntl.h
+header-y += ioctl.h
+header-y += ioctls.h
+header-y += ipcbuf.h
+header-y += kvm.h
+header-y += kvm_para.h
+header-y += kvm_virtio.h
+header-y += mman.h
+header-y += monwriter.h
+header-y += msgbuf.h
+header-y += param.h
+header-y += poll.h
+header-y += posix_types.h
+header-y += ptrace.h
+header-y += qeth.h
+header-y += resource.h
+header-y += schid.h
+header-y += sembuf.h
+header-y += setup.h
+header-y += shmbuf.h
+header-y += sigcontext.h
+header-y += siginfo.h
+header-y += signal.h
+header-y += socket.h
+header-y += sockios.h
+header-y += stat.h
+header-y += statfs.h
+header-y += swab.h
+header-y += tape390.h
+header-y += termbits.h
+header-y += termios.h
+header-y += types.h
+header-y += ucontext.h
+header-y += unistd.h
+header-y += vtoc.h
+header-y += zcrypt.h
diff --git a/arch/s390/include/asm/auxvec.h b/arch/s390/include/uapi/asm/auxvec.h
index a1f153e89133..a1f153e89133 100644
--- a/arch/s390/include/asm/auxvec.h
+++ b/arch/s390/include/uapi/asm/auxvec.h
diff --git a/arch/s390/include/asm/bitsperlong.h b/arch/s390/include/uapi/asm/bitsperlong.h
index 6b235aea9c66..6b235aea9c66 100644
--- a/arch/s390/include/asm/bitsperlong.h
+++ b/arch/s390/include/uapi/asm/bitsperlong.h
diff --git a/arch/s390/include/asm/byteorder.h b/arch/s390/include/uapi/asm/byteorder.h
index a332e59e26fc..a332e59e26fc 100644
--- a/arch/s390/include/asm/byteorder.h
+++ b/arch/s390/include/uapi/asm/byteorder.h
diff --git a/arch/s390/include/uapi/asm/chpid.h b/arch/s390/include/uapi/asm/chpid.h
new file mode 100644
index 000000000000..6b4fb29cc197
--- /dev/null
+++ b/arch/s390/include/uapi/asm/chpid.h
@@ -0,0 +1,22 @@
+/*
+ *    Copyright IBM Corp. 2007, 2012
+ *    Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
+ */
+
+#ifndef _UAPI_ASM_S390_CHPID_H
+#define _UAPI_ASM_S390_CHPID_H
+
+#include <linux/string.h>
+#include <linux/types.h>
+
+#define __MAX_CHPID 255
+
+struct chp_id {
+        __u8 reserved1;
+        __u8 cssid;
+        __u8 reserved2;
+        __u8 id;
+} __attribute__((packed));
+
+
+#endif /* _UAPI_ASM_S390_CHPID_H */
diff --git a/arch/s390/include/asm/chsc.h b/arch/s390/include/uapi/asm/chsc.h
index aea451fd182e..1c6a7f85a581 100644
--- a/arch/s390/include/asm/chsc.h
+++ b/arch/s390/include/uapi/asm/chsc.h
@@ -1,7 +1,7 @@
 /*
  * ioctl interface for /dev/chsc
  *
- * Copyright IBM Corp. 2008
+ * Copyright IBM Corp. 2008, 2012
  * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
  */
 
@@ -9,9 +9,12 @@
 #define _ASM_CHSC_H
 
 #include <linux/types.h>
+#include <linux/ioctl.h>
 #include <asm/chpid.h>
 #include <asm/schid.h>
 
+#define CHSC_SIZE 0x1000
+
 struct chsc_async_header {
         __u16 length;
         __u16 code;
@@ -23,15 +26,14 @@ struct chsc_async_header {
 
 struct chsc_async_area {
         struct chsc_async_header header;
-        __u8 data[PAGE_SIZE - 16 /* size of chsc_async_header */];
+        __u8 data[CHSC_SIZE - sizeof(struct chsc_async_header)];
 } __attribute__ ((packed));
 
-
 struct chsc_response_struct {
         __u16 length;
         __u16 code;
         __u32 parms;
-        __u8 data[PAGE_SIZE - 8];
+        __u8 data[CHSC_SIZE - 2 * sizeof(__u16) - sizeof(__u32)];
 } __attribute__ ((packed));
 
 struct chsc_chp_cd {
diff --git a/arch/s390/include/uapi/asm/cmb.h b/arch/s390/include/uapi/asm/cmb.h
new file mode 100644
index 000000000000..0c086d00d89e
--- /dev/null
+++ b/arch/s390/include/uapi/asm/cmb.h
@@ -0,0 +1,53 @@
+#ifndef _UAPIS390_CMB_H
+#define _UAPIS390_CMB_H
+
+#include <linux/types.h>
+
+/**
+ * struct cmbdata - channel measurement block data for user space
+ * @size: size of the stored data
+ * @elapsed_time: time since last sampling
+ * @ssch_rsch_count: number of ssch and rsch
+ * @sample_count: number of samples
+ * @device_connect_time: time of device connect
+ * @function_pending_time: time of function pending
+ * @device_disconnect_time: time of device disconnect
+ * @control_unit_queuing_time: time of control unit queuing
+ * @device_active_only_time: time of device active only
+ * @device_busy_time: time of device busy (ext. format)
+ * @initial_command_response_time: initial command response time (ext. format)
+ *
+ * All values are stored as 64 bit for simplicity, especially
+ * in 32 bit emulation mode. All time values are normalized to
+ * nanoseconds.
+ * Currently, two formats are known, which differ by the size of
+ * this structure, i.e. the last two members are only set when
+ * the extended channel measurement facility (first shipped in
+ * z990 machines) is activated.
+ * Potentially, more fields could be added, which would result in a
+ * new ioctl number.
+ */
+struct cmbdata {
+        __u64 size;
+        __u64 elapsed_time;
+ /* basic and exended format: */
+        __u64 ssch_rsch_count;
+        __u64 sample_count;
+        __u64 device_connect_time;
+        __u64 function_pending_time;
+        __u64 device_disconnect_time;
+        __u64 control_unit_queuing_time;
+        __u64 device_active_only_time;
+ /* extended format only: */
+        __u64 device_busy_time;
+        __u64 initial_command_response_time;
+};
+
+/* enable channel measurement */
+#define BIODASDCMFENABLE        _IO(DASD_IOCTL_LETTER, 32)
+/* enable channel measurement */
+#define BIODASDCMFDISABLE       _IO(DASD_IOCTL_LETTER, 33)
+/* read channel measurement data */
+#define BIODASDREADALLCMB       _IOWR(DASD_IOCTL_LETTER, 33, struct cmbdata)
+
+#endif /* _UAPIS390_CMB_H */
diff --git a/arch/s390/include/asm/dasd.h b/arch/s390/include/uapi/asm/dasd.h
index 38eca3ba40e2..38eca3ba40e2 100644
--- a/arch/s390/include/asm/dasd.h
+++ b/arch/s390/include/uapi/asm/dasd.h
diff --git a/arch/s390/include/uapi/asm/debug.h b/arch/s390/include/uapi/asm/debug.h
new file mode 100644
index 000000000000..c59fc79125f2
--- /dev/null
+++ b/arch/s390/include/uapi/asm/debug.h
@@ -0,0 +1,34 @@
+/*
+ *   S/390 debug facility
+ *
+ *    Copyright IBM Corp. 1999, 2000
+ */
+
+#ifndef _UAPIDEBUG_H
+#define _UAPIDEBUG_H
+
+#include <linux/fs.h>
+
+/* Note:
+ * struct __debug_entry must be defined outside of #ifdef __KERNEL__ 
+ * in order to allow a user program to analyze the 'raw'-view.
+ */
+
+struct __debug_entry{
+        union {
+                struct {
+                        unsigned long long clock:52;
+                        unsigned long long exception:1;
+                        unsigned long long level:3;
+                        unsigned long long cpuid:8;
+                } fields;
+
+                unsigned long long stck;
+        } id;
+        void* caller;
+} __attribute__((packed));
+
+
+#define __DEBUG_FEATURE_VERSION      2  /* version of debug feature */
+
+#endif /* _UAPIDEBUG_H */
diff --git a/arch/s390/include/asm/errno.h b/arch/s390/include/uapi/asm/errno.h
index 395e97d8005e..395e97d8005e 100644
--- a/arch/s390/include/asm/errno.h
+++ b/arch/s390/include/uapi/asm/errno.h
diff --git a/arch/s390/include/asm/fcntl.h b/arch/s390/include/uapi/asm/fcntl.h
index 46ab12db5739..46ab12db5739 100644
--- a/arch/s390/include/asm/fcntl.h
+++ b/arch/s390/include/uapi/asm/fcntl.h
diff --git a/arch/s390/include/asm/ioctl.h b/arch/s390/include/uapi/asm/ioctl.h
index b279fe06dfe5..b279fe06dfe5 100644
--- a/arch/s390/include/asm/ioctl.h
+++ b/arch/s390/include/uapi/asm/ioctl.h
diff --git a/arch/s390/include/asm/ioctls.h b/arch/s390/include/uapi/asm/ioctls.h
index 960a4c1ebdf1..960a4c1ebdf1 100644
--- a/arch/s390/include/asm/ioctls.h
+++ b/arch/s390/include/uapi/asm/ioctls.h
diff --git a/arch/s390/include/asm/ipcbuf.h b/arch/s390/include/uapi/asm/ipcbuf.h
index 37f293d12c8f..37f293d12c8f 100644
--- a/arch/s390/include/asm/ipcbuf.h
+++ b/arch/s390/include/uapi/asm/ipcbuf.h
diff --git a/arch/s390/include/asm/kvm.h b/arch/s390/include/uapi/asm/kvm.h
index d25da598ec62..d25da598ec62 100644
--- a/arch/s390/include/asm/kvm.h
+++ b/arch/s390/include/uapi/asm/kvm.h
diff --git a/arch/s390/include/uapi/asm/kvm_para.h b/arch/s390/include/uapi/asm/kvm_para.h
new file mode 100644
index 000000000000..ff1f4e7b3015
--- /dev/null
+++ b/arch/s390/include/uapi/asm/kvm_para.h
@@ -0,0 +1,11 @@
+/*
+ * User API definitions for paravirtual devices on s390
+ *
+ * Copyright IBM Corp. 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): Christian Borntraeger <borntraeger@de.ibm.com>
+ */
diff --git a/arch/s390/include/asm/kvm_virtio.h b/arch/s390/include/uapi/asm/kvm_virtio.h
index 44a438ca9e72..44a438ca9e72 100644
--- a/arch/s390/include/asm/kvm_virtio.h
+++ b/arch/s390/include/uapi/asm/kvm_virtio.h
diff --git a/arch/s390/include/uapi/asm/mman.h b/arch/s390/include/uapi/asm/mman.h
new file mode 100644
index 000000000000..de23da1f41b2
--- /dev/null
+++ b/arch/s390/include/uapi/asm/mman.h
@@ -0,0 +1,6 @@
+/*
+ *  S390 version
+ *
+ *  Derived from "include/asm-i386/mman.h"
+ */
+#include <asm-generic/mman.h>
diff --git a/arch/s390/include/asm/monwriter.h b/arch/s390/include/uapi/asm/monwriter.h
index f845c8e2f861..f845c8e2f861 100644
--- a/arch/s390/include/asm/monwriter.h
+++ b/arch/s390/include/uapi/asm/monwriter.h
diff --git a/arch/s390/include/asm/msgbuf.h b/arch/s390/include/uapi/asm/msgbuf.h
index 1bbdee927924..1bbdee927924 100644
--- a/arch/s390/include/asm/msgbuf.h
+++ b/arch/s390/include/uapi/asm/msgbuf.h
diff --git a/arch/s390/include/asm/param.h b/arch/s390/include/uapi/asm/param.h
index c616821bf2ac..c616821bf2ac 100644
--- a/arch/s390/include/asm/param.h
+++ b/arch/s390/include/uapi/asm/param.h
diff --git a/arch/s390/include/asm/poll.h b/arch/s390/include/uapi/asm/poll.h
index c98509d3149e..c98509d3149e 100644
--- a/arch/s390/include/asm/poll.h
+++ b/arch/s390/include/uapi/asm/poll.h
diff --git a/arch/s390/include/asm/posix_types.h b/arch/s390/include/uapi/asm/posix_types.h
index bf2a2ad2f800..bf2a2ad2f800 100644
--- a/arch/s390/include/asm/posix_types.h
+++ b/arch/s390/include/uapi/asm/posix_types.h
diff --git a/arch/s390/include/uapi/asm/ptrace.h b/arch/s390/include/uapi/asm/ptrace.h
new file mode 100644
index 000000000000..705588a16d70
--- /dev/null
+++ b/arch/s390/include/uapi/asm/ptrace.h
@@ -0,0 +1,472 @@
+/*
+ *  S390 version
+ *    Copyright IBM Corp. 1999, 2000
+ *    Author(s): Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
+ */
+
+#ifndef _UAPI_S390_PTRACE_H
+#define _UAPI_S390_PTRACE_H
+
+/*
+ * Offsets in the user_regs_struct. They are used for the ptrace
+ * system call and in entry.S
+ */
+#ifndef __s390x__
+
+#define PT_PSWMASK  0x00
+#define PT_PSWADDR  0x04
+#define PT_GPR0     0x08
+#define PT_GPR1     0x0C
+#define PT_GPR2     0x10
+#define PT_GPR3     0x14
+#define PT_GPR4     0x18
+#define PT_GPR5     0x1C
+#define PT_GPR6     0x20
+#define PT_GPR7     0x24
+#define PT_GPR8     0x28
+#define PT_GPR9     0x2C
+#define PT_GPR10    0x30
+#define PT_GPR11    0x34
+#define PT_GPR12    0x38
+#define PT_GPR13    0x3C
+#define PT_GPR14    0x40
+#define PT_GPR15    0x44
+#define PT_ACR0     0x48
+#define PT_ACR1     0x4C
+#define PT_ACR2     0x50
+#define PT_ACR3     0x54
+#define PT_ACR4     0x58
+#define PT_ACR5     0x5C
+#define PT_ACR6     0x60
+#define PT_ACR7     0x64
+#define PT_ACR8     0x68
+#define PT_ACR9     0x6C
+#define PT_ACR10    0x70
+#define PT_ACR11    0x74
+#define PT_ACR12    0x78
+#define PT_ACR13    0x7C
+#define PT_ACR14    0x80
+#define PT_ACR15    0x84
+#define PT_ORIGGPR2 0x88
+#define PT_FPC      0x90
+/*
+ * A nasty fact of life that the ptrace api
+ * only supports passing of longs.
+ */
+#define PT_FPR0_HI  0x98
+#define PT_FPR0_LO  0x9C
+#define PT_FPR1_HI  0xA0
+#define PT_FPR1_LO  0xA4
+#define PT_FPR2_HI  0xA8
+#define PT_FPR2_LO  0xAC
+#define PT_FPR3_HI  0xB0
+#define PT_FPR3_LO  0xB4
+#define PT_FPR4_HI  0xB8
+#define PT_FPR4_LO  0xBC
+#define PT_FPR5_HI  0xC0
+#define PT_FPR5_LO  0xC4
+#define PT_FPR6_HI  0xC8
+#define PT_FPR6_LO  0xCC
+#define PT_FPR7_HI  0xD0
+#define PT_FPR7_LO  0xD4
+#define PT_FPR8_HI  0xD8
+#define PT_FPR8_LO  0XDC
+#define PT_FPR9_HI  0xE0
+#define PT_FPR9_LO  0xE4
+#define PT_FPR10_HI 0xE8
+#define PT_FPR10_LO 0xEC
+#define PT_FPR11_HI 0xF0
+#define PT_FPR11_LO 0xF4
+#define PT_FPR12_HI 0xF8
+#define PT_FPR12_LO 0xFC
+#define PT_FPR13_HI 0x100
+#define PT_FPR13_LO 0x104
+#define PT_FPR14_HI 0x108
+#define PT_FPR14_LO 0x10C
+#define PT_FPR15_HI 0x110
+#define PT_FPR15_LO 0x114
+#define PT_CR_9     0x118
+#define PT_CR_10    0x11C
+#define PT_CR_11    0x120
+#define PT_IEEE_IP  0x13C
+#define PT_LASTOFF  PT_IEEE_IP
+#define PT_ENDREGS  0x140-1
+
+#define GPR_SIZE        4
+#define CR_SIZE         4
+
+#define STACK_FRAME_OVERHEAD    96      /* size of minimum stack frame */
+
+#else /* __s390x__ */
+
+#define PT_PSWMASK  0x00
+#define PT_PSWADDR  0x08
+#define PT_GPR0     0x10
+#define PT_GPR1     0x18
+#define PT_GPR2     0x20
+#define PT_GPR3     0x28
+#define PT_GPR4     0x30
+#define PT_GPR5     0x38
+#define PT_GPR6     0x40
+#define PT_GPR7     0x48
+#define PT_GPR8     0x50
+#define PT_GPR9     0x58
+#define PT_GPR10    0x60
+#define PT_GPR11    0x68
+#define PT_GPR12    0x70
+#define PT_GPR13    0x78
+#define PT_GPR14    0x80
+#define PT_GPR15    0x88
+#define PT_ACR0     0x90
+#define PT_ACR1     0x94
+#define PT_ACR2     0x98
+#define PT_ACR3     0x9C
+#define PT_ACR4     0xA0
+#define PT_ACR5     0xA4
+#define PT_ACR6     0xA8
+#define PT_ACR7     0xAC
+#define PT_ACR8     0xB0
+#define PT_ACR9     0xB4
+#define PT_ACR10    0xB8
+#define PT_ACR11    0xBC
+#define PT_ACR12    0xC0
+#define PT_ACR13    0xC4
+#define PT_ACR14    0xC8
+#define PT_ACR15    0xCC
+#define PT_ORIGGPR2 0xD0
+#define PT_FPC      0xD8
+#define PT_FPR0     0xE0
+#define PT_FPR1     0xE8
+#define PT_FPR2     0xF0
+#define PT_FPR3     0xF8
+#define PT_FPR4     0x100
+#define PT_FPR5     0x108
+#define PT_FPR6     0x110
+#define PT_FPR7     0x118
+#define PT_FPR8     0x120
+#define PT_FPR9     0x128
+#define PT_FPR10    0x130
+#define PT_FPR11    0x138
+#define PT_FPR12    0x140
+#define PT_FPR13    0x148
+#define PT_FPR14    0x150
+#define PT_FPR15    0x158
+#define PT_CR_9     0x160
+#define PT_CR_10    0x168
+#define PT_CR_11    0x170
+#define PT_IEEE_IP  0x1A8
+#define PT_LASTOFF  PT_IEEE_IP
+#define PT_ENDREGS  0x1B0-1
+
+#define GPR_SIZE        8
+#define CR_SIZE         8
+
+#define STACK_FRAME_OVERHEAD    160      /* size of minimum stack frame */
+
+#endif /* __s390x__ */
+
+#define NUM_GPRS        16
+#define NUM_FPRS        16
+#define NUM_CRS         16
+#define NUM_ACRS        16
+
+#define NUM_CR_WORDS    3
+
+#define FPR_SIZE        8
+#define FPC_SIZE        4
+#define FPC_PAD_SIZE    4 /* gcc insists on aligning the fpregs */
+#define ACR_SIZE        4
+
+
+#define PTRACE_OLDSETOPTIONS         21
+
+#ifndef __ASSEMBLY__
+#include <linux/stddef.h>
+#include <linux/types.h>
+
+typedef union
+{
+        float   f;
+        double  d;
+        __u64   ui;
+        struct
+        {
+                __u32 hi;
+                __u32 lo;
+        } fp;
+} freg_t;
+
+typedef struct
+{
+        __u32   fpc;
+        freg_t  fprs[NUM_FPRS];              
+} s390_fp_regs;
+
+#define FPC_EXCEPTION_MASK      0xF8000000
+#define FPC_FLAGS_MASK          0x00F80000
+#define FPC_DXC_MASK            0x0000FF00
+#define FPC_RM_MASK             0x00000003
+#define FPC_VALID_MASK          0xF8F8FF03
+
+/* this typedef defines how a Program Status Word looks like */
+typedef struct 
+{
+        unsigned long mask;
+        unsigned long addr;
+} __attribute__ ((aligned(8))) psw_t;
+
+typedef struct
+{
+        __u32   mask;
+        __u32   addr;
+} __attribute__ ((aligned(8))) psw_compat_t;
+
+#ifndef __s390x__
+
+#define PSW_MASK_PER            0x40000000UL
+#define PSW_MASK_DAT            0x04000000UL
+#define PSW_MASK_IO             0x02000000UL
+#define PSW_MASK_EXT            0x01000000UL
+#define PSW_MASK_KEY            0x00F00000UL
+#define PSW_MASK_BASE           0x00080000UL    /* always one */
+#define PSW_MASK_MCHECK         0x00040000UL
+#define PSW_MASK_WAIT           0x00020000UL
+#define PSW_MASK_PSTATE         0x00010000UL
+#define PSW_MASK_ASC            0x0000C000UL
+#define PSW_MASK_CC             0x00003000UL
+#define PSW_MASK_PM             0x00000F00UL
+#define PSW_MASK_RI             0x00000000UL
+#define PSW_MASK_EA             0x00000000UL
+#define PSW_MASK_BA             0x00000000UL
+
+#define PSW_MASK_USER           0x00003F00UL
+
+#define PSW_ADDR_AMODE          0x80000000UL
+#define PSW_ADDR_INSN           0x7FFFFFFFUL
+
+#define PSW_DEFAULT_KEY         (((unsigned long) PAGE_DEFAULT_ACC) << 20)
+
+#define PSW_ASC_PRIMARY         0x00000000UL
+#define PSW_ASC_ACCREG          0x00004000UL
+#define PSW_ASC_SECONDARY       0x00008000UL
+#define PSW_ASC_HOME            0x0000C000UL
+
+#else /* __s390x__ */
+
+#define PSW_MASK_PER            0x4000000000000000UL
+#define PSW_MASK_DAT            0x0400000000000000UL
+#define PSW_MASK_IO             0x0200000000000000UL
+#define PSW_MASK_EXT            0x0100000000000000UL
+#define PSW_MASK_BASE           0x0000000000000000UL
+#define PSW_MASK_KEY            0x00F0000000000000UL
+#define PSW_MASK_MCHECK         0x0004000000000000UL
+#define PSW_MASK_WAIT           0x0002000000000000UL
+#define PSW_MASK_PSTATE         0x0001000000000000UL
+#define PSW_MASK_ASC            0x0000C00000000000UL
+#define PSW_MASK_CC             0x0000300000000000UL
+#define PSW_MASK_PM             0x00000F0000000000UL
+#define PSW_MASK_RI             0x0000008000000000UL
+#define PSW_MASK_EA             0x0000000100000000UL
+#define PSW_MASK_BA             0x0000000080000000UL
+
+#define PSW_MASK_USER           0x00003F8180000000UL
+
+#define PSW_ADDR_AMODE          0x0000000000000000UL
+#define PSW_ADDR_INSN           0xFFFFFFFFFFFFFFFFUL
+
+#define PSW_DEFAULT_KEY         (((unsigned long) PAGE_DEFAULT_ACC) << 52)
+
+#define PSW_ASC_PRIMARY         0x0000000000000000UL
+#define PSW_ASC_ACCREG          0x0000400000000000UL
+#define PSW_ASC_SECONDARY       0x0000800000000000UL
+#define PSW_ASC_HOME            0x0000C00000000000UL
+
+#endif /* __s390x__ */
+
+
+/*
+ * The s390_regs structure is used to define the elf_gregset_t.
+ */
+typedef struct
+{
+        psw_t psw;
+        unsigned long gprs[NUM_GPRS];
+        unsigned int  acrs[NUM_ACRS];
+        unsigned long orig_gpr2;
+} s390_regs;
+
+typedef struct
+{
+        psw_compat_t    psw;
+        __u32           gprs[NUM_GPRS];
+        __u32           acrs[NUM_ACRS];
+        __u32           orig_gpr2;
+} s390_compat_regs;
+
+typedef struct
+{
+        __u32           gprs_high[NUM_GPRS];
+} s390_compat_regs_high;
+
+
+/*
+ * Now for the user space program event recording (trace) definitions.
+ * The following structures are used only for the ptrace interface, don't
+ * touch or even look at it if you don't want to modify the user-space
+ * ptrace interface. In particular stay away from it for in-kernel PER.
+ */
+typedef struct
+{
+        unsigned long cr[NUM_CR_WORDS];
+} per_cr_words;
+
+#define PER_EM_MASK 0xE8000000UL
+
+typedef struct
+{
+#ifdef __s390x__
+        unsigned                       : 32;
+#endif /* __s390x__ */
+        unsigned em_branching          : 1;
+        unsigned em_instruction_fetch  : 1;
+        /*
+         * Switching on storage alteration automatically fixes
+         * the storage alteration event bit in the users std.
+         */
+        unsigned em_storage_alteration : 1;
+        unsigned em_gpr_alt_unused     : 1;
+        unsigned em_store_real_address : 1;
+        unsigned                       : 3;
+        unsigned branch_addr_ctl       : 1;
+        unsigned                       : 1;
+        unsigned storage_alt_space_ctl : 1;
+        unsigned                       : 21;
+        unsigned long starting_addr;
+        unsigned long ending_addr;
+} per_cr_bits;
+
+typedef struct
+{
+        unsigned short perc_atmid;
+        unsigned long address;
+        unsigned char access_id;
+} per_lowcore_words;
+
+typedef struct
+{
+        unsigned perc_branching          : 1;
+        unsigned perc_instruction_fetch  : 1;
+        unsigned perc_storage_alteration : 1;
+        unsigned perc_gpr_alt_unused     : 1;
+        unsigned perc_store_real_address : 1;
+        unsigned                         : 3;
+        unsigned atmid_psw_bit_31        : 1;
+        unsigned atmid_validity_bit      : 1;
+        unsigned atmid_psw_bit_32        : 1;
+        unsigned atmid_psw_bit_5         : 1;
+        unsigned atmid_psw_bit_16        : 1;
+        unsigned atmid_psw_bit_17        : 1;
+        unsigned si                      : 2;
+        unsigned long address;
+        unsigned                         : 4;
+        unsigned access_id               : 4;
+} per_lowcore_bits;
+
+typedef struct
+{
+        union {
+                per_cr_words   words;
+                per_cr_bits    bits;
+        } control_regs;
+        /*
+         * Use these flags instead of setting em_instruction_fetch
+         * directly they are used so that single stepping can be
+         * switched on & off while not affecting other tracing
+         */
+        unsigned  single_step       : 1;
+        unsigned  instruction_fetch : 1;
+        unsigned                    : 30;
+        /*
+         * These addresses are copied into cr10 & cr11 if single
+         * stepping is switched off
+         */
+        unsigned long starting_addr;
+        unsigned long ending_addr;
+        union {
+                per_lowcore_words words;
+                per_lowcore_bits  bits;
+        } lowcore; 
+} per_struct;
+
+typedef struct
+{
+        unsigned int  len;
+        unsigned long kernel_addr;
+        unsigned long process_addr;
+} ptrace_area;
+
+/*
+ * S/390 specific non posix ptrace requests. I chose unusual values so
+ * they are unlikely to clash with future ptrace definitions.
+ */
+#define PTRACE_PEEKUSR_AREA           0x5000
+#define PTRACE_POKEUSR_AREA           0x5001
+#define PTRACE_PEEKTEXT_AREA          0x5002
+#define PTRACE_PEEKDATA_AREA          0x5003
+#define PTRACE_POKETEXT_AREA          0x5004
+#define PTRACE_POKEDATA_AREA          0x5005
+#define PTRACE_GET_LAST_BREAK         0x5006
+#define PTRACE_PEEK_SYSTEM_CALL       0x5007
+#define PTRACE_POKE_SYSTEM_CALL       0x5008
+#define PTRACE_ENABLE_TE              0x5009
+#define PTRACE_DISABLE_TE             0x5010
+
+/*
+ * PT_PROT definition is loosely based on hppa bsd definition in
+ * gdb/hppab-nat.c
+ */
+#define PTRACE_PROT                       21
+
+typedef enum
+{
+        ptprot_set_access_watchpoint,
+        ptprot_set_write_watchpoint,
+        ptprot_disable_watchpoint
+} ptprot_flags;
+
+typedef struct
+{
+        unsigned long lowaddr;
+        unsigned long hiaddr;
+        ptprot_flags prot;
+} ptprot_area;                     
+
+/* Sequence of bytes for breakpoint illegal instruction.  */
+#define S390_BREAKPOINT     {0x0,0x1}
+#define S390_BREAKPOINT_U16 ((__u16)0x0001)
+#define S390_SYSCALL_OPCODE ((__u16)0x0a00)
+#define S390_SYSCALL_SIZE   2
+
+/*
+ * The user_regs_struct defines the way the user registers are
+ * store on the stack for signal handling.
+ */
+struct user_regs_struct
+{
+        psw_t psw;
+        unsigned long gprs[NUM_GPRS];
+        unsigned int  acrs[NUM_ACRS];
+        unsigned long orig_gpr2;
+        s390_fp_regs fp_regs;
+        /*
+         * These per registers are in here so that gdb can modify them
+         * itself as there is no "official" ptrace interface for hardware
+         * watchpoints. This is the way intel does it.
+         */
+        per_struct per_info;
+        unsigned long ieee_instruction_pointer; /* obsolete, always 0 */
+};
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _UAPI_S390_PTRACE_H */
diff --git a/arch/s390/include/asm/qeth.h b/arch/s390/include/uapi/asm/qeth.h
index 3a896cf52589..3a896cf52589 100644
--- a/arch/s390/include/asm/qeth.h
+++ b/arch/s390/include/uapi/asm/qeth.h
diff --git a/arch/s390/include/asm/resource.h b/arch/s390/include/uapi/asm/resource.h
index ec23d1c73c92..ec23d1c73c92 100644
--- a/arch/s390/include/asm/resource.h
+++ b/arch/s390/include/uapi/asm/resource.h
diff --git a/arch/s390/include/uapi/asm/schid.h b/arch/s390/include/uapi/asm/schid.h
new file mode 100644
index 000000000000..32f3ab2a8200
--- /dev/null
+++ b/arch/s390/include/uapi/asm/schid.h
@@ -0,0 +1,16 @@
+#ifndef _UAPIASM_SCHID_H
+#define _UAPIASM_SCHID_H
+
+#include <linux/types.h>
+
+struct subchannel_id {
+        __u32 cssid : 8;
+        __u32 : 4;
+        __u32 m : 1;
+        __u32 ssid : 2;
+        __u32 one : 1;
+        __u32 sch_no : 16;
+} __attribute__ ((packed, aligned(4)));
+
+
+#endif /* _UAPIASM_SCHID_H */
diff --git a/arch/s390/include/asm/sembuf.h b/arch/s390/include/uapi/asm/sembuf.h
index 32626b0cac4b..32626b0cac4b 100644
--- a/arch/s390/include/asm/sembuf.h
+++ b/arch/s390/include/uapi/asm/sembuf.h
diff --git a/arch/s390/include/uapi/asm/setup.h b/arch/s390/include/uapi/asm/setup.h
new file mode 100644
index 000000000000..5a637e3e385e
--- /dev/null
+++ b/arch/s390/include/uapi/asm/setup.h
@@ -0,0 +1,13 @@
+/*
+ *  S390 version
+ *    Copyright IBM Corp. 1999, 2010
+ */
+
+#ifndef _UAPI_ASM_S390_SETUP_H
+#define _UAPI_ASM_S390_SETUP_H
+
+#define COMMAND_LINE_SIZE       4096
+
+#define ARCH_COMMAND_LINE_SIZE  896
+
+#endif /* _UAPI_ASM_S390_SETUP_H */
diff --git a/arch/s390/include/asm/shmbuf.h b/arch/s390/include/uapi/asm/shmbuf.h
index eed2e280ce37..eed2e280ce37 100644
--- a/arch/s390/include/asm/shmbuf.h
+++ b/arch/s390/include/uapi/asm/shmbuf.h
diff --git a/arch/s390/include/asm/sigcontext.h b/arch/s390/include/uapi/asm/sigcontext.h
index 584787f6ce44..584787f6ce44 100644
--- a/arch/s390/include/asm/sigcontext.h
+++ b/arch/s390/include/uapi/asm/sigcontext.h
diff --git a/arch/s390/include/asm/siginfo.h b/arch/s390/include/uapi/asm/siginfo.h
index 91fd3e4b70ce..91fd3e4b70ce 100644
--- a/arch/s390/include/asm/siginfo.h
+++ b/arch/s390/include/uapi/asm/siginfo.h
diff --git a/arch/s390/include/uapi/asm/signal.h b/arch/s390/include/uapi/asm/signal.h
new file mode 100644
index 000000000000..8c6a49e392ee
--- /dev/null
+++ b/arch/s390/include/uapi/asm/signal.h
@@ -0,0 +1,135 @@
+/*
+ *  S390 version
+ *
+ *  Derived from "include/asm-i386/signal.h"
+ */
+
+#ifndef _UAPI_ASMS390_SIGNAL_H
+#define _UAPI_ASMS390_SIGNAL_H
+
+#include <linux/types.h>
+#include <linux/time.h>
+
+/* Avoid too many header ordering problems.  */
+struct siginfo;
+struct pt_regs;
+
+#ifndef __KERNEL__
+/* Here we must cater to libcs that poke about in kernel headers.  */
+
+#define NSIG            32
+typedef unsigned long sigset_t;
+
+#endif /* __KERNEL__ */
+
+#define SIGHUP           1
+#define SIGINT           2
+#define SIGQUIT          3
+#define SIGILL           4
+#define SIGTRAP          5
+#define SIGABRT          6
+#define SIGIOT           6
+#define SIGBUS           7
+#define SIGFPE           8
+#define SIGKILL          9
+#define SIGUSR1         10
+#define SIGSEGV         11
+#define SIGUSR2         12
+#define SIGPIPE         13
+#define SIGALRM         14
+#define SIGTERM         15
+#define SIGSTKFLT       16
+#define SIGCHLD         17
+#define SIGCONT         18
+#define SIGSTOP         19
+#define SIGTSTP         20
+#define SIGTTIN         21
+#define SIGTTOU         22
+#define SIGURG          23
+#define SIGXCPU         24
+#define SIGXFSZ         25
+#define SIGVTALRM       26
+#define SIGPROF         27
+#define SIGWINCH        28
+#define SIGIO           29
+#define SIGPOLL         SIGIO
+/*
+#define SIGLOST         29
+*/
+#define SIGPWR          30
+#define SIGSYS          31
+#define SIGUNUSED       31
+
+/* These should not be considered constants from userland.  */
+#define SIGRTMIN        32
+#define SIGRTMAX        _NSIG
+
+/*
+ * SA_FLAGS values:
+ *
+ * SA_ONSTACK indicates that a registered stack_t will be used.
+ * SA_RESTART flag to get restarting signals (which were the default long ago)
+ * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
+ * SA_RESETHAND clears the handler when the signal is delivered.
+ * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
+ * SA_NODEFER prevents the current signal from being masked in the handler.
+ *
+ * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
+ * Unix names RESETHAND and NODEFER respectively.
+ */
+#define SA_NOCLDSTOP    0x00000001
+#define SA_NOCLDWAIT    0x00000002
+#define SA_SIGINFO      0x00000004
+#define SA_ONSTACK      0x08000000
+#define SA_RESTART      0x10000000
+#define SA_NODEFER      0x40000000
+#define SA_RESETHAND    0x80000000
+
+#define SA_NOMASK       SA_NODEFER
+#define SA_ONESHOT      SA_RESETHAND
+
+#define SA_RESTORER     0x04000000
+
+/*
+ * sigaltstack controls
+ */
+#define SS_ONSTACK      1
+#define SS_DISABLE      2
+
+#define MINSIGSTKSZ     2048
+#define SIGSTKSZ        8192
+
+#include <asm-generic/signal-defs.h>
+
+#ifndef __KERNEL__
+/* Here we must cater to libcs that poke about in kernel headers.  */
+
+struct sigaction {
+        union {
+          __sighandler_t _sa_handler;
+          void (*_sa_sigaction)(int, struct siginfo *, void *);
+        } _u;
+#ifndef __s390x__ /* lovely */
+        sigset_t sa_mask;
+        unsigned long sa_flags;
+        void (*sa_restorer)(void);
+#else  /* __s390x__ */
+        unsigned long sa_flags;
+        void (*sa_restorer)(void);
+        sigset_t sa_mask;
+#endif /* __s390x__ */
+};
+
+#define sa_handler      _u._sa_handler
+#define sa_sigaction    _u._sa_sigaction
+
+#endif /* __KERNEL__ */
+
+typedef struct sigaltstack {
+        void __user *ss_sp;
+        int ss_flags;
+        size_t ss_size;
+} stack_t;
+
+
+#endif /* _UAPI_ASMS390_SIGNAL_H */
diff --git a/arch/s390/include/asm/socket.h b/arch/s390/include/uapi/asm/socket.h
index 69718cd6d635..69718cd6d635 100644
--- a/arch/s390/include/asm/socket.h
+++ b/arch/s390/include/uapi/asm/socket.h
diff --git a/arch/s390/include/asm/sockios.h b/arch/s390/include/uapi/asm/sockios.h
index 6f60eee73242..6f60eee73242 100644
--- a/arch/s390/include/asm/sockios.h
+++ b/arch/s390/include/uapi/asm/sockios.h
diff --git a/arch/s390/include/asm/stat.h b/arch/s390/include/uapi/asm/stat.h
index b4ca97d91466..b4ca97d91466 100644
--- a/arch/s390/include/asm/stat.h
+++ b/arch/s390/include/uapi/asm/stat.h
diff --git a/arch/s390/include/asm/statfs.h b/arch/s390/include/uapi/asm/statfs.h
index 5acca0a34c20..5acca0a34c20 100644
--- a/arch/s390/include/asm/statfs.h
+++ b/arch/s390/include/uapi/asm/statfs.h
diff --git a/arch/s390/include/asm/swab.h b/arch/s390/include/uapi/asm/swab.h
index da3bfe5cc161..da3bfe5cc161 100644
--- a/arch/s390/include/asm/swab.h
+++ b/arch/s390/include/uapi/asm/swab.h
diff --git a/arch/s390/include/asm/tape390.h b/arch/s390/include/uapi/asm/tape390.h
index b2bc4bab7929..b2bc4bab7929 100644
--- a/arch/s390/include/asm/tape390.h
+++ b/arch/s390/include/uapi/asm/tape390.h
diff --git a/arch/s390/include/asm/termbits.h b/arch/s390/include/uapi/asm/termbits.h
index 71bf6ac6a2b9..71bf6ac6a2b9 100644
--- a/arch/s390/include/asm/termbits.h
+++ b/arch/s390/include/uapi/asm/termbits.h
diff --git a/arch/s390/include/uapi/asm/termios.h b/arch/s390/include/uapi/asm/termios.h
new file mode 100644
index 000000000000..554f973db1e6
--- /dev/null
+++ b/arch/s390/include/uapi/asm/termios.h
@@ -0,0 +1,49 @@
+/*
+ *  S390 version
+ *
+ *  Derived from "include/asm-i386/termios.h"
+ */
+
+#ifndef _UAPI_S390_TERMIOS_H
+#define _UAPI_S390_TERMIOS_H
+
+#include <asm/termbits.h>
+#include <asm/ioctls.h>
+
+struct winsize {
+        unsigned short ws_row;
+        unsigned short ws_col;
+        unsigned short ws_xpixel;
+        unsigned short ws_ypixel;
+};
+
+#define NCC 8
+struct termio {
+        unsigned short c_iflag;         /* input mode flags */
+        unsigned short c_oflag;         /* output mode flags */
+        unsigned short c_cflag;         /* control mode flags */
+        unsigned short c_lflag;         /* local mode flags */
+        unsigned char c_line;           /* line discipline */
+        unsigned char c_cc[NCC];        /* control characters */
+};
+
+/* modem lines */
+#define TIOCM_LE        0x001
+#define TIOCM_DTR       0x002
+#define TIOCM_RTS       0x004
+#define TIOCM_ST        0x008
+#define TIOCM_SR        0x010
+#define TIOCM_CTS       0x020
+#define TIOCM_CAR       0x040
+#define TIOCM_RNG       0x080
+#define TIOCM_DSR       0x100
+#define TIOCM_CD        TIOCM_CAR
+#define TIOCM_RI        TIOCM_RNG
+#define TIOCM_OUT1      0x2000
+#define TIOCM_OUT2      0x4000
+#define TIOCM_LOOP      0x8000
+
+/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
+
+
+#endif /* _UAPI_S390_TERMIOS_H */
diff --git a/arch/s390/include/uapi/asm/types.h b/arch/s390/include/uapi/asm/types.h
new file mode 100644
index 000000000000..038f2b9178a4
--- /dev/null
+++ b/arch/s390/include/uapi/asm/types.h
@@ -0,0 +1,22 @@
+/*
+ *  S390 version
+ *
+ *  Derived from "include/asm-i386/types.h"
+ */
+
+#ifndef _UAPI_S390_TYPES_H
+#define _UAPI_S390_TYPES_H
+
+#include <asm-generic/int-ll64.h>
+
+#ifndef __ASSEMBLY__
+
+/* A address type so that arithmetic can be done on it & it can be upgraded to
+   64 bit when necessary 
+*/
+typedef unsigned long addr_t; 
+typedef __signed__ long saddr_t;
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _UAPI_S390_TYPES_H */
diff --git a/arch/s390/include/asm/ucontext.h b/arch/s390/include/uapi/asm/ucontext.h
index 200e06325c6a..200e06325c6a 100644
--- a/arch/s390/include/asm/ucontext.h
+++ b/arch/s390/include/uapi/asm/ucontext.h
diff --git a/arch/s390/include/uapi/asm/unistd.h b/arch/s390/include/uapi/asm/unistd.h
new file mode 100644
index 000000000000..63e6078699f1
--- /dev/null
+++ b/arch/s390/include/uapi/asm/unistd.h
@@ -0,0 +1,374 @@
+/*
+ *  S390 version
+ *
+ *  Derived from "include/asm-i386/unistd.h"
+ */
+
+#ifndef _UAPI_ASM_S390_UNISTD_H_
+#define _UAPI_ASM_S390_UNISTD_H_
+
+/*
+ * This file contains the system call numbers.
+ */
+
+#define __NR_exit                 1
+#define __NR_fork                 2
+#define __NR_read                 3
+#define __NR_write                4
+#define __NR_open                 5
+#define __NR_close                6
+#define __NR_restart_syscall      7
+#define __NR_creat                8
+#define __NR_link                 9
+#define __NR_unlink              10
+#define __NR_execve              11
+#define __NR_chdir               12
+#define __NR_mknod               14
+#define __NR_chmod               15
+#define __NR_lseek               19
+#define __NR_getpid              20
+#define __NR_mount               21
+#define __NR_umount              22
+#define __NR_ptrace              26
+#define __NR_alarm               27
+#define __NR_pause               29
+#define __NR_utime               30
+#define __NR_access              33
+#define __NR_nice                34
+#define __NR_sync                36
+#define __NR_kill                37
+#define __NR_rename              38
+#define __NR_mkdir               39
+#define __NR_rmdir               40
+#define __NR_dup                 41
+#define __NR_pipe                42
+#define __NR_times               43
+#define __NR_brk                 45
+#define __NR_signal              48
+#define __NR_acct                51
+#define __NR_umount2             52
+#define __NR_ioctl               54
+#define __NR_fcntl               55
+#define __NR_setpgid             57
+#define __NR_umask               60
+#define __NR_chroot              61
+#define __NR_ustat               62
+#define __NR_dup2                63
+#define __NR_getppid             64
+#define __NR_getpgrp             65
+#define __NR_setsid              66
+#define __NR_sigaction           67
+#define __NR_sigsuspend          72
+#define __NR_sigpending          73
+#define __NR_sethostname         74
+#define __NR_setrlimit           75
+#define __NR_getrusage           77
+#define __NR_gettimeofday        78
+#define __NR_settimeofday        79
+#define __NR_symlink             83
+#define __NR_readlink            85
+#define __NR_uselib              86
+#define __NR_swapon              87
+#define __NR_reboot              88
+#define __NR_readdir             89
+#define __NR_mmap                90
+#define __NR_munmap              91
+#define __NR_truncate            92
+#define __NR_ftruncate           93
+#define __NR_fchmod              94
+#define __NR_getpriority         96
+#define __NR_setpriority         97
+#define __NR_statfs              99
+#define __NR_fstatfs            100
+#define __NR_socketcall         102
+#define __NR_syslog             103
+#define __NR_setitimer          104
+#define __NR_getitimer          105
+#define __NR_stat               106
+#define __NR_lstat              107
+#define __NR_fstat              108
+#define __NR_lookup_dcookie     110
+#define __NR_vhangup            111
+#define __NR_idle               112
+#define __NR_wait4              114
+#define __NR_swapoff            115
+#define __NR_sysinfo            116
+#define __NR_ipc                117
+#define __NR_fsync              118
+#define __NR_sigreturn          119
+#define __NR_clone              120
+#define __NR_setdomainname      121
+#define __NR_uname              122
+#define __NR_adjtimex           124
+#define __NR_mprotect           125
+#define __NR_sigprocmask        126
+#define __NR_create_module      127
+#define __NR_init_module        128
+#define __NR_delete_module      129
+#define __NR_get_kernel_syms    130
+#define __NR_quotactl           131
+#define __NR_getpgid            132
+#define __NR_fchdir             133
+#define __NR_bdflush            134
+#define __NR_sysfs              135
+#define __NR_personality        136
+#define __NR_afs_syscall        137 /* Syscall for Andrew File System */
+#define __NR_getdents           141
+#define __NR_flock              143
+#define __NR_msync              144
+#define __NR_readv              145
+#define __NR_writev             146
+#define __NR_getsid             147
+#define __NR_fdatasync          148
+#define __NR__sysctl            149
+#define __NR_mlock              150
+#define __NR_munlock            151
+#define __NR_mlockall           152
+#define __NR_munlockall         153
+#define __NR_sched_setparam             154
+#define __NR_sched_getparam             155
+#define __NR_sched_setscheduler         156
+#define __NR_sched_getscheduler         157
+#define __NR_sched_yield                158
+#define __NR_sched_get_priority_max     159
+#define __NR_sched_get_priority_min     160
+#define __NR_sched_rr_get_interval      161
+#define __NR_nanosleep          162
+#define __NR_mremap             163
+#define __NR_query_module       167
+#define __NR_poll               168
+#define __NR_nfsservctl         169
+#define __NR_prctl              172
+#define __NR_rt_sigreturn       173
+#define __NR_rt_sigaction       174
+#define __NR_rt_sigprocmask     175
+#define __NR_rt_sigpending      176
+#define __NR_rt_sigtimedwait    177
+#define __NR_rt_sigqueueinfo    178
+#define __NR_rt_sigsuspend      179
+#define __NR_pread64            180
+#define __NR_pwrite64           181
+#define __NR_getcwd             183
+#define __NR_capget             184
+#define __NR_capset             185
+#define __NR_sigaltstack        186
+#define __NR_sendfile           187
+#define __NR_getpmsg            188
+#define __NR_putpmsg            189
+#define __NR_vfork              190
+#define __NR_pivot_root         217
+#define __NR_mincore            218
+#define __NR_madvise            219
+#define __NR_getdents64         220
+#define __NR_readahead          222
+#define __NR_setxattr           224
+#define __NR_lsetxattr          225
+#define __NR_fsetxattr          226
+#define __NR_getxattr           227
+#define __NR_lgetxattr          228
+#define __NR_fgetxattr          229
+#define __NR_listxattr          230
+#define __NR_llistxattr         231
+#define __NR_flistxattr         232
+#define __NR_removexattr        233
+#define __NR_lremovexattr       234
+#define __NR_fremovexattr       235
+#define __NR_gettid             236
+#define __NR_tkill              237
+#define __NR_futex              238
+#define __NR_sched_setaffinity  239
+#define __NR_sched_getaffinity  240
+#define __NR_tgkill             241
+/* Number 242 is reserved for tux */
+#define __NR_io_setup           243
+#define __NR_io_destroy         244
+#define __NR_io_getevents       245
+#define __NR_io_submit          246
+#define __NR_io_cancel          247
+#define __NR_exit_group         248
+#define __NR_epoll_create       249
+#define __NR_epoll_ctl          250
+#define __NR_epoll_wait         251
+#define __NR_set_tid_address    252
+#define __NR_fadvise64          253
+#define __NR_timer_create       254
+#define __NR_timer_settime      (__NR_timer_create+1)
+#define __NR_timer_gettime      (__NR_timer_create+2)
+#define __NR_timer_getoverrun   (__NR_timer_create+3)
+#define __NR_timer_delete       (__NR_timer_create+4)
+#define __NR_clock_settime      (__NR_timer_create+5)
+#define __NR_clock_gettime      (__NR_timer_create+6)
+#define __NR_clock_getres       (__NR_timer_create+7)
+#define __NR_clock_nanosleep    (__NR_timer_create+8)
+/* Number 263 is reserved for vserver */
+#define __NR_statfs64           265
+#define __NR_fstatfs64          266
+#define __NR_remap_file_pages   267
+/* Number 268 is reserved for new sys_mbind */
+/* Number 269 is reserved for new sys_get_mempolicy */
+/* Number 270 is reserved for new sys_set_mempolicy */
+#define __NR_mq_open            271
+#define __NR_mq_unlink          272
+#define __NR_mq_timedsend       273
+#define __NR_mq_timedreceive    274
+#define __NR_mq_notify          275
+#define __NR_mq_getsetattr      276
+#define __NR_kexec_load         277
+#define __NR_add_key            278
+#define __NR_request_key        279
+#define __NR_keyctl             280
+#define __NR_waitid             281
+#define __NR_ioprio_set         282
+#define __NR_ioprio_get         283
+#define __NR_inotify_init       284
+#define __NR_inotify_add_watch  285
+#define __NR_inotify_rm_watch   286
+/* Number 287 is reserved for new sys_migrate_pages */
+#define __NR_openat             288
+#define __NR_mkdirat            289
+#define __NR_mknodat            290
+#define __NR_fchownat           291
+#define __NR_futimesat          292
+#define __NR_unlinkat           294
+#define __NR_renameat           295
+#define __NR_linkat             296
+#define __NR_symlinkat          297
+#define __NR_readlinkat         298
+#define __NR_fchmodat           299
+#define __NR_faccessat          300
+#define __NR_pselect6           301
+#define __NR_ppoll              302
+#define __NR_unshare            303
+#define __NR_set_robust_list    304
+#define __NR_get_robust_list    305
+#define __NR_splice             306
+#define __NR_sync_file_range    307
+#define __NR_tee                308
+#define __NR_vmsplice           309
+/* Number 310 is reserved for new sys_move_pages */
+#define __NR_getcpu             311
+#define __NR_epoll_pwait        312
+#define __NR_utimes             313
+#define __NR_fallocate          314
+#define __NR_utimensat          315
+#define __NR_signalfd           316
+#define __NR_timerfd            317
+#define __NR_eventfd            318
+#define __NR_timerfd_create     319
+#define __NR_timerfd_settime    320
+#define __NR_timerfd_gettime    321
+#define __NR_signalfd4          322
+#define __NR_eventfd2           323
+#define __NR_inotify_init1      324
+#define __NR_pipe2              325
+#define __NR_dup3               326
+#define __NR_epoll_create1      327
+#define __NR_preadv             328
+#define __NR_pwritev            329
+#define __NR_rt_tgsigqueueinfo  330
+#define __NR_perf_event_open    331
+#define __NR_fanotify_init      332
+#define __NR_fanotify_mark      333
+#define __NR_prlimit64          334
+#define __NR_name_to_handle_at  335
+#define __NR_open_by_handle_at  336
+#define __NR_clock_adjtime      337
+#define __NR_syncfs             338
+#define __NR_setns              339
+#define __NR_process_vm_readv   340
+#define __NR_process_vm_writev  341
+#define __NR_s390_runtime_instr 342
+#define __NR_kcmp               343
+#define NR_syscalls 344
+
+/* 
+ * There are some system calls that are not present on 64 bit, some
+ * have a different name although they do the same (e.g. __NR_chown32
+ * is __NR_chown on 64 bit).
+ */
+#ifndef __s390x__
+
+#define __NR_time                13
+#define __NR_lchown              16
+#define __NR_setuid              23
+#define __NR_getuid              24
+#define __NR_stime               25
+#define __NR_setgid              46
+#define __NR_getgid              47
+#define __NR_geteuid             49
+#define __NR_getegid             50
+#define __NR_setreuid            70
+#define __NR_setregid            71
+#define __NR_getrlimit           76
+#define __NR_getgroups           80
+#define __NR_setgroups           81
+#define __NR_fchown              95
+#define __NR_ioperm             101
+#define __NR_setfsuid           138
+#define __NR_setfsgid           139
+#define __NR__llseek            140
+#define __NR__newselect         142
+#define __NR_setresuid          164
+#define __NR_getresuid          165
+#define __NR_setresgid          170
+#define __NR_getresgid          171
+#define __NR_chown              182
+#define __NR_ugetrlimit         191     /* SuS compliant getrlimit */
+#define __NR_mmap2              192
+#define __NR_truncate64         193
+#define __NR_ftruncate64        194
+#define __NR_stat64             195
+#define __NR_lstat64            196
+#define __NR_fstat64            197
+#define __NR_lchown32           198
+#define __NR_getuid32           199
+#define __NR_getgid32           200
+#define __NR_geteuid32          201
+#define __NR_getegid32          202
+#define __NR_setreuid32         203
+#define __NR_setregid32         204
+#define __NR_getgroups32        205
+#define __NR_setgroups32        206
+#define __NR_fchown32           207
+#define __NR_setresuid32        208
+#define __NR_getresuid32        209
+#define __NR_setresgid32        210
+#define __NR_getresgid32        211
+#define __NR_chown32            212
+#define __NR_setuid32           213
+#define __NR_setgid32           214
+#define __NR_setfsuid32         215
+#define __NR_setfsgid32         216
+#define __NR_fcntl64            221
+#define __NR_sendfile64         223
+#define __NR_fadvise64_64       264
+#define __NR_fstatat64          293
+
+#else
+
+#define __NR_select             142
+#define __NR_getrlimit          191     /* SuS compliant getrlimit */
+#define __NR_lchown             198
+#define __NR_getuid             199
+#define __NR_getgid             200
+#define __NR_geteuid            201
+#define __NR_getegid            202
+#define __NR_setreuid           203
+#define __NR_setregid           204
+#define __NR_getgroups          205
+#define __NR_setgroups          206
+#define __NR_fchown             207
+#define __NR_setresuid          208
+#define __NR_getresuid          209
+#define __NR_setresgid          210
+#define __NR_getresgid          211
+#define __NR_chown              212
+#define __NR_setuid             213
+#define __NR_setgid             214
+#define __NR_setfsuid           215
+#define __NR_setfsgid           216
+#define __NR_newfstatat         293
+
+#endif
+
+#endif /* _UAPI_ASM_S390_UNISTD_H_ */
diff --git a/arch/s390/include/asm/vtoc.h b/arch/s390/include/uapi/asm/vtoc.h
index 221419de275e..221419de275e 100644
--- a/arch/s390/include/asm/vtoc.h
+++ b/arch/s390/include/uapi/asm/vtoc.h
diff --git a/arch/s390/include/asm/zcrypt.h b/arch/s390/include/uapi/asm/zcrypt.h
index e83fc116f5bf..e83fc116f5bf 100644
--- a/arch/s390/include/asm/zcrypt.h
+++ b/arch/s390/include/uapi/asm/zcrypt.h
diff --git a/arch/s390/kernel/cache.c b/arch/s390/kernel/cache.c
index 8df8d8a19c98..64b24650e4f8 100644
--- a/arch/s390/kernel/cache.c
+++ b/arch/s390/kernel/cache.c
@@ -59,8 +59,8 @@ enum {
 
 enum {
         CACHE_TI_UNIFIED = 0,
-        CACHE_TI_INSTRUCTION = 0,
-        CACHE_TI_DATA,
+        CACHE_TI_DATA = 0,
+        CACHE_TI_INSTRUCTION,
 };
 
 struct cache_info {
@@ -121,7 +121,10 @@ static int __init cache_add(int level, int private, int type)
         cache = kzalloc(sizeof(*cache), GFP_KERNEL);
         if (!cache)
                 return -ENOMEM;
-        ti = type == CACHE_TYPE_DATA ? CACHE_TI_DATA : CACHE_TI_UNIFIED;
+        if (type == CACHE_TYPE_INSTRUCTION)
+                ti = CACHE_TI_INSTRUCTION;
+        else
+                ti = CACHE_TI_UNIFIED;
         cache->size = ecag(EXTRACT_SIZE, level, ti);
         cache->line_size = ecag(EXTRACT_LINE_SIZE, level, ti);
         cache->associativity = ecag(EXTRACT_ASSOCIATIVITY, level, ti);
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index 189963c90c6e..65cca95843e1 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -432,32 +432,6 @@ sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo)
         return ret;
 }
 
-/*
- * sys32_execve() executes a new program after the asm stub has set
- * things up for us.  This should basically do what I want it to.
- */
-asmlinkage long sys32_execve(const char __user *name, compat_uptr_t __user *argv,
-                             compat_uptr_t __user *envp)
-{
-        struct pt_regs *regs = task_pt_regs(current);
-        char *filename;
-        long rc;
-
-        filename = getname(name);
-        rc = PTR_ERR(filename);
-        if (IS_ERR(filename))
-                return rc;
-        rc = compat_do_execve(filename, argv, envp, regs);
-        if (rc)
-                goto out;
-        current->thread.fp_regs.fpc=0;
-        asm volatile("sfpc %0,0" : : "d" (0));
-        rc = regs->gprs[2];
-out:
-        putname(filename);
-        return rc;
-}
-
 asmlinkage long sys32_pread64(unsigned int fd, char __user *ubuf,
                                 size_t count, u32 poshi, u32 poslo)
 {
diff --git a/arch/s390/kernel/compat_linux.h b/arch/s390/kernel/compat_linux.h
index 9635d759c2b9..d4d0239970ac 100644
--- a/arch/s390/kernel/compat_linux.h
+++ b/arch/s390/kernel/compat_linux.h
@@ -23,74 +23,6 @@ struct old_sigaction32 {
        __u32                    sa_flags;
        __u32                    sa_restorer;    /* Another 32 bit pointer */
 };
- 
-typedef struct compat_siginfo {
-        int     si_signo;
-        int     si_errno;
-        int     si_code;
-
-        union {
-                int _pad[((128/sizeof(int)) - 3)];
-
-                /* kill() */
-                struct {
-                        pid_t   _pid;   /* sender's pid */
-                        uid_t   _uid;   /* sender's uid */
-                } _kill;
-
-                /* POSIX.1b timers */
-                struct {
-                        compat_timer_t _tid;            /* timer id */
-                        int _overrun;           /* overrun count */
-                        compat_sigval_t _sigval;        /* same as below */
-                        int _sys_private;       /* not to be passed to user */
-                } _timer;
-
-                /* POSIX.1b signals */
-                struct {
-                        pid_t                   _pid;   /* sender's pid */
-                        uid_t                   _uid;   /* sender's uid */
-                        compat_sigval_t         _sigval;
-                } _rt;
-
-                /* SIGCHLD */
-                struct {
-                        pid_t                   _pid;   /* which child */
-                        uid_t                   _uid;   /* sender's uid */
-                        int                     _status;/* exit code */
-                        compat_clock_t          _utime;
-                        compat_clock_t          _stime;
-                } _sigchld;
-
-                /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
-                struct {
-                        __u32   _addr;  /* faulting insn/memory ref. - pointer */
-                } _sigfault;
-                          
-                /* SIGPOLL */
-                struct {
-                        int     _band;  /* POLL_IN, POLL_OUT, POLL_MSG */
-                        int     _fd;
-                } _sigpoll;
-        } _sifields;
-} compat_siginfo_t;
-
-/*
- * How these fields are to be accessed.
- */
-#define si_pid          _sifields._kill._pid
-#define si_uid          _sifields._kill._uid
-#define si_status       _sifields._sigchld._status
-#define si_utime        _sifields._sigchld._utime
-#define si_stime        _sifields._sigchld._stime
-#define si_value        _sifields._rt._sigval
-#define si_int          _sifields._rt._sigval.sival_int
-#define si_ptr          _sifields._rt._sigval.sival_ptr
-#define si_addr         _sifields._sigfault._addr
-#define si_band         _sifields._sigpoll._band
-#define si_fd           _sifields._sigpoll._fd    
-#define si_tid          _sifields._timer._tid
-#define si_overrun      _sifields._timer._overrun
 
 /* asm/sigcontext.h */
 typedef union
@@ -193,8 +125,6 @@ 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(const char __user *name, compat_uptr_t __user *argv,
-                  compat_uptr_t __user *envp);
 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);
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 3afba804fe97..ad79b846535c 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1576,7 +1576,7 @@ ENTRY(sys32_execve_wrapper)
         llgtr   %r2,%r2                 # char *
         llgtr   %r3,%r3                 # compat_uptr_t *
         llgtr   %r4,%r4                 # compat_uptr_t *
-        jg      sys32_execve            # branch to system call
+        jg      compat_sys_execve       # branch to system call
 
 ENTRY(sys_fanotify_init_wrapper)
         llgfr   %r2,%r2                 # unsigned int
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index 7f4717675c19..1f0eee9e7daa 100644
--- a/arch/s390/kernel/early.c
+++ b/arch/s390/kernel/early.c
@@ -283,14 +283,6 @@ static noinline __init void setup_facility_list(void)
               ARRAY_SIZE(S390_lowcore.stfle_fac_list));
 }
 
-static noinline __init void setup_hpage(void)
-{
-        if (!test_facility(2) || !test_facility(8))
-                return;
-        S390_lowcore.machine_flags |= MACHINE_FLAG_HPAGE;
-        __ctl_set_bit(0, 23);
-}
-
 static __init void detect_mvpg(void)
 {
 #ifndef CONFIG_64BIT
@@ -378,16 +370,22 @@ static __init void detect_diag44(void)
 static __init void detect_machine_facilities(void)
 {
 #ifdef CONFIG_64BIT
+        if (test_facility(8)) {
+                S390_lowcore.machine_flags |= MACHINE_FLAG_EDAT1;
+                __ctl_set_bit(0, 23);
+        }
+        if (test_facility(78))
+                S390_lowcore.machine_flags |= MACHINE_FLAG_EDAT2;
         if (test_facility(3))
                 S390_lowcore.machine_flags |= MACHINE_FLAG_IDTE;
-        if (test_facility(8))
-                S390_lowcore.machine_flags |= MACHINE_FLAG_PFMF;
         if (test_facility(27))
                 S390_lowcore.machine_flags |= MACHINE_FLAG_MVCOS;
         if (test_facility(40))
                 S390_lowcore.machine_flags |= MACHINE_FLAG_SPP;
         if (test_facility(50) && test_facility(73))
                 S390_lowcore.machine_flags |= MACHINE_FLAG_TE;
+        if (test_facility(66))
+                S390_lowcore.machine_flags |= MACHINE_FLAG_RRBM;
 #endif
 }
 
@@ -482,7 +480,6 @@ void __init startup_init(void)
         detect_diag9c();
         detect_diag44();
         detect_machine_facilities();
-        setup_hpage();
         setup_topology();
         sclp_facilities_detect();
         detect_memory_layout(memory_chunk);
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 870bad6d56fc..ef46f66bc0d6 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -331,45 +331,38 @@ ENTRY(ret_from_fork)
         l       %r12,__LC_THREAD_INFO
         l       %r13,__LC_SVC_NEW_PSW+4
         tm      __PT_PSW+1(%r11),0x01   # forking a kernel thread ?
-        jo      0f
-        st      %r15,__PT_R15(%r11)     # store stack pointer for new kthread
-0:      l       %r1,BASED(.Lschedule_tail)
+        je      1f
+        l       %r1,BASED(.Lschedule_tail)
         basr    %r14,%r1                # call schedule_tail
         TRACE_IRQS_ON
         ssm     __LC_SVC_NEW_PSW        # reenable interrupts
         j       sysc_tracenogo
 
+1:      # it's a kernel thread
+        st      %r15,__PT_R15(%r11)     # store stack pointer for new kthread
+        l       %r1,BASED(.Lschedule_tail)
+        basr    %r14,%r1                # call schedule_tail
+        TRACE_IRQS_ON
+        ssm     __LC_SVC_NEW_PSW        # reenable interrupts
+        lm      %r9,%r11,__PT_R9(%r11)  # load gprs
+ENTRY(kernel_thread_starter)
+        la      %r2,0(%r10)
+        basr    %r14,%r9
+        la      %r2,0
+        br      %r11                    # do_exit
+
 #
 # kernel_execve function needs to deal with pt_regs that is not
 # at the usual place
 #
-ENTRY(kernel_execve)
-        stm     %r12,%r15,48(%r15)
-        lr      %r14,%r15
-        l       %r13,__LC_SVC_NEW_PSW+4
-        ahi     %r15,-(STACK_FRAME_OVERHEAD + __PT_SIZE)
-        st      %r14,__SF_BACKCHAIN(%r15)
-        la      %r12,STACK_FRAME_OVERHEAD(%r15)
-        xc      0(__PT_SIZE,%r12),0(%r12)
-        l       %r1,BASED(.Ldo_execve)
-        lr      %r5,%r12
-        basr    %r14,%r1                # call do_execve
-        ltr     %r2,%r2
-        je      0f
-        ahi     %r15,(STACK_FRAME_OVERHEAD + __PT_SIZE)
-        lm      %r12,%r15,48(%r15)
-        br      %r14
-        # execve succeeded.
-0:      ssm     __LC_PGM_NEW_PSW        # disable I/O and ext. interrupts
-        l       %r15,__LC_KERNEL_STACK  # load ksp
-        ahi     %r15,-(STACK_FRAME_OVERHEAD + __PT_SIZE)
-        la      %r11,STACK_FRAME_OVERHEAD(%r15)
-        mvc     0(__PT_SIZE,%r11),0(%r12)       # copy pt_regs
-        l       %r12,__LC_THREAD_INFO
+ENTRY(ret_from_kernel_execve)
+        ssm     __LC_PGM_NEW_PSW        # disable I/O and ext. interrupts
+        lr      %r15,%r2
+        lr      %r11,%r2
+        ahi     %r15,-STACK_FRAME_OVERHEAD
         xc      __SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15)
+        l       %r12,__LC_THREAD_INFO
         ssm     __LC_SVC_NEW_PSW        # reenable interrupts
-        l       %r1,BASED(.Lexecve_tail)
-        basr    %r14,%r1                # call execve_tail
         j       sysc_return
 
 /*
@@ -931,8 +924,6 @@ cleanup_idle_wait:
 .Ldo_signal:            .long   do_signal
 .Ldo_notify_resume:     .long   do_notify_resume
 .Ldo_per_trap:          .long   do_per_trap
-.Ldo_execve:            .long   do_execve
-.Lexecve_tail:          .long   execve_tail
 .Ljump_table:           .long   pgm_check_table
 .Lschedule:             .long   schedule
 #ifdef CONFIG_PREEMPT
diff --git a/arch/s390/kernel/entry.h b/arch/s390/kernel/entry.h
index a5f4dc42a5db..d0d3f69a7346 100644
--- a/arch/s390/kernel/entry.h
+++ b/arch/s390/kernel/entry.h
@@ -58,9 +58,6 @@ long sys_fork(void);
 long sys_clone(unsigned long newsp, unsigned long clone_flags,
                int __user *parent_tidptr, int __user *child_tidptr);
 long sys_vfork(void);
-void execve_tail(void);
-long sys_execve(const char __user *name, const char __user *const __user *argv,
-                const char __user *const __user *envp);
 long 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);
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 7549985402f7..07d8de353984 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -295,7 +295,7 @@ sysc_sigpending:
         jno     sysc_return
         lmg     %r2,%r7,__PT_R2(%r11)   # load svc arguments
         lghi    %r8,0                   # svc 0 returns -ENOSYS
-        lh      %r1,__PT_INT_CODE+2(%r11)       # load new svc number
+        llgh    %r1,__PT_INT_CODE+2(%r11)       # load new svc number
         cghi    %r1,NR_syscalls
         jnl     sysc_nr_ok              # invalid svc number -> do svc 0
         slag    %r8,%r1,2
@@ -353,41 +353,31 @@ ENTRY(ret_from_fork)
         la      %r11,STACK_FRAME_OVERHEAD(%r15)
         lg      %r12,__LC_THREAD_INFO
         tm      __PT_PSW+1(%r11),0x01   # forking a kernel thread ?
-        jo      0f
-        stg     %r15,__PT_R15(%r11)     # store stack pointer for new kthread
-0:      brasl   %r14,schedule_tail
+        je      1f
+        brasl   %r14,schedule_tail
         TRACE_IRQS_ON
         ssm     __LC_SVC_NEW_PSW        # reenable interrupts
         j       sysc_tracenogo
-
-#
-# kernel_execve function needs to deal with pt_regs that is not
-# at the usual place
-#
-ENTRY(kernel_execve)
-        stmg    %r12,%r15,96(%r15)
-        lgr     %r14,%r15
-        aghi    %r15,-(STACK_FRAME_OVERHEAD + __PT_SIZE)
-        stg     %r14,__SF_BACKCHAIN(%r15)
-        la      %r12,STACK_FRAME_OVERHEAD(%r15)
-        xc      0(__PT_SIZE,%r12),0(%r12)
-        lgr     %r5,%r12
-        brasl   %r14,do_execve
-        ltgfr   %r2,%r2
-        je      0f
-        aghi    %r15,(STACK_FRAME_OVERHEAD + __PT_SIZE)
-        lmg     %r12,%r15,96(%r15)
-        br      %r14
-        # execve succeeded.
-0:      ssm     __LC_PGM_NEW_PSW        # disable I/O and ext. interrupts
-        lg      %r15,__LC_KERNEL_STACK  # load ksp
-        aghi    %r15,-(STACK_FRAME_OVERHEAD + __PT_SIZE)
-        la      %r11,STACK_FRAME_OVERHEAD(%r15)
-        mvc     0(__PT_SIZE,%r11),0(%r12)       # copy pt_regs
-        lg      %r12,__LC_THREAD_INFO
+1:      # it's a kernel thread
+        stg     %r15,__PT_R15(%r11)     # store stack pointer for new kthread
+        brasl   %r14,schedule_tail
+        TRACE_IRQS_ON
+        ssm     __LC_SVC_NEW_PSW        # reenable interrupts
+        lmg     %r9,%r11,__PT_R9(%r11)  # load gprs
+ENTRY(kernel_thread_starter)
+        la      %r2,0(%r10)
+        basr    %r14,%r9
+        la      %r2,0
+        br      %r11                    # do_exit
+
+ENTRY(ret_from_kernel_execve)
+        ssm     __LC_PGM_NEW_PSW        # disable I/O and ext. interrupts
+        lgr     %r15,%r2
+        lgr     %r11,%r2
+        aghi    %r15,-STACK_FRAME_OVERHEAD
         xc      __SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15)
+        lg      %r12,__LC_THREAD_INFO
         ssm     __LC_SVC_NEW_PSW        # reenable interrupts
-        brasl   %r14,execve_tail
         j       sysc_return
 
 /*
diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S
index 805b6686b641..984726cbce16 100644
--- a/arch/s390/kernel/head.S
+++ b/arch/s390/kernel/head.S
@@ -52,7 +52,7 @@ __HEAD
         .long   0x02000370,0x60000050           # the channel program the PSW
         .long   0x020003c0,0x60000050           # at location 0 is loaded.
         .long   0x02000410,0x60000050           # Initial processing starts
-        .long   0x02000460,0x60000050           # at 0xf0 = iplstart.
+        .long   0x02000460,0x60000050           # at 0x200 = iplstart.
         .long   0x020004b0,0x60000050
         .long   0x02000500,0x60000050
         .long   0x02000550,0x60000050
@@ -62,11 +62,54 @@ __HEAD
         .long   0x02000690,0x60000050
         .long   0x020006e0,0x20000050
 
-        .org    0xf0
+        .org    0x200
+#
+# subroutine to set architecture mode
+#
+.Lsetmode:
+#ifdef CONFIG_64BIT
+        mvi     __LC_AR_MODE_ID,1       # set esame flag
+        slr     %r0,%r0                 # set cpuid to zero
+        lhi     %r1,2                   # mode 2 = esame (dump)
+        sigp    %r1,%r0,0x12            # switch to esame mode
+        bras    %r13,0f
+        .fill   16,4,0x0
+0:      lmh     %r0,%r15,0(%r13)        # clear high-order half of gprs
+        sam31                           # switch to 31 bit addressing mode
+#else
+        mvi     __LC_AR_MODE_ID,0       # set ESA flag (mode 0)
+#endif
+        br      %r14
+
+#
+# subroutine to wait for end I/O
+#
+.Lirqwait:
+#ifdef CONFIG_64BIT
+        mvc     0x1f0(16),.Lnewpsw      # set up IO interrupt psw
+        lpsw    .Lwaitpsw
+.Lioint:
+        br      %r14
+        .align  8
+.Lnewpsw:
+        .quad   0x0000000080000000,.Lioint
+#else
+        mvc     0x78(8),.Lnewpsw        # set up IO interrupt psw
+        lpsw    .Lwaitpsw
+.Lioint:
+        br      %r14
+        .align  8
+.Lnewpsw:
+        .long   0x00080000,0x80000000+.Lioint
+#endif
+.Lwaitpsw:
+        .long   0x020a0000,0x80000000+.Lioint
+
 #
 # subroutine for loading cards from the reader
 #
 .Lloader:
+        la      %r4,0(%r14)
         la      %r3,.Lorb               # r2 = address of orb into r2
         la      %r5,.Lirb               # r4 = address of irb
         la      %r6,.Lccws
@@ -83,9 +126,7 @@ __HEAD
         ssch    0(%r3)                  # load chunk of 1600 bytes
         bnz     .Llderr
 .Lwait4irq:
-        mvc     0x78(8),.Lnewpsw        # set up IO interrupt psw
-        lpsw    .Lwaitpsw
-.Lioint:
+        bas     %r14,.Lirqwait
         c       %r1,0xb8                # compare subchannel number
         bne     .Lwait4irq
         tsch    0(%r5)
@@ -104,7 +145,7 @@ __HEAD
         sr      %r0,%r3                 # #ccws*80-residual=#bytes read
         ar      %r2,%r0
 
-        br      %r14                    # r2 contains the total size
+        br      %r4                     # r2 contains the total size
 
 .Lcont:
         ahi     %r2,0x640               # add 0x640 to total size
@@ -128,10 +169,6 @@ __HEAD
 .Lloadp:.long   0,0
         .align  8
 .Lcrash:.long   0x000a0000,0x00000000
-.Lnewpsw:
-        .long   0x00080000,0x80000000+.Lioint
-.Lwaitpsw:
-        .long   0x020a0000,0x80000000+.Lioint
 
         .align  8
 .Lccws: .rept   19
@@ -140,6 +177,7 @@ __HEAD
         .long   0x02200050,0x00000000
 
 iplstart:
+        bas     %r14,.Lsetmode          # Immediately switch to 64 bit mode
         lh      %r1,0xb8                # test if subchannel number
         bct     %r1,.Lnoload            #  is valid
         l       %r1,0xb8                # load ipl subchannel number
@@ -209,8 +247,8 @@ iplstart:
 #
 # reset files in VM reader
 #
-        stidp   __LC_SAVE_AREA_SYNC     # store cpuid
-        tm      __LC_SAVE_AREA_SYNC,0xff# running VM ?
+        stidp   .Lcpuid                 # store cpuid
+        tm      .Lcpuid,0xff            # running VM ?
         bno     .Lnoreset
         la      %r2,.Lreset
         lhi     %r3,26
@@ -222,23 +260,14 @@ iplstart:
         tm      31(%r5),0xff            # bits is set in the schib
         bz      .Lnoreset
 .Lwaitforirq:
-        mvc     0x78(8),.Lrdrnewpsw     # set up IO interrupt psw
-.Lwaitrdrirq:
-        lpsw    .Lrdrwaitpsw
-.Lrdrint:
+        bas     %r14,.Lirqwait          # wait for IO interrupt
         c       %r1,0xb8                # compare subchannel number
-        bne     .Lwaitrdrirq
+        bne     .Lwaitforirq
         la      %r5,.Lirb
         tsch    0(%r5)
 .Lnoreset:
         b       .Lnoload
 
-        .align  8
-.Lrdrnewpsw:
-        .long   0x00080000,0x80000000+.Lrdrint
-.Lrdrwaitpsw:
-        .long   0x020a0000,0x80000000+.Lrdrint
-
 #
 # everything loaded, go for it
 #
@@ -254,6 +283,8 @@ iplstart:
         .byte   0xc8,0xd6,0xd3,0xc4     # "change rdr all keep nohold"
 .L_eof: .long   0xc5d6c600       /* C'EOF' */
 .L_hdr: .long   0xc8c4d900       /* C'HDR' */
+        .align  8
+.Lcpuid:.fill   8,1,0
 
 #
 # SALIPL loader support. Based on a patch by Rob van der Heij.
@@ -263,6 +294,7 @@ iplstart:
         .org    0x800
 ENTRY(start)
         stm     %r0,%r15,0x07b0         # store registers
+        bas     %r14,.Lsetmode          # Immediately switch to 64 bit mode
         basr    %r12,%r0
 .base:
         l       %r11,.parm
@@ -343,6 +375,18 @@ ENTRY(startup)
 ENTRY(startup_kdump)
         j       .Lep_startup_kdump
 .Lep_startup_normal:
+#ifdef CONFIG_64BIT
+        mvi     __LC_AR_MODE_ID,1       # set esame flag
+        slr     %r0,%r0                 # set cpuid to zero
+        lhi     %r1,2                   # mode 2 = esame (dump)
+        sigp    %r1,%r0,0x12            # switch to esame mode
+        bras    %r13,0f
+        .fill   16,4,0x0
+0:      lmh     %r0,%r15,0(%r13)        # clear high-order half of gprs
+        sam31                           # switch to 31 bit addressing mode
+#else
+        mvi     __LC_AR_MODE_ID,0       # set ESA flag (mode 0)
+#endif
         basr    %r13,0                  # get base
 .LPG0:
         xc      0x200(256),0x200        # partially clear lowcore
@@ -410,22 +454,17 @@ ENTRY(startup_kdump)
 #endif
 
 #ifdef CONFIG_64BIT
-        mvi     __LC_AR_MODE_ID,1       # set esame flag
-        slr     %r0,%r0                 # set cpuid to zero
-        lhi     %r1,2                   # mode 2 = esame (dump)
-        sigp    %r1,%r0,0x12            # switch to esame mode
+        /* Continue with 64bit startup code in head64.S */
         sam64                           # switch to 64 bit mode
-        larl    %r13,4f
-        lmh     %r0,%r15,0(%r13)        # clear high-order half
         jg      startup_continue
-4:      .fill   16,4,0x0
 #else
-        mvi     __LC_AR_MODE_ID,0       # set ESA flag (mode 0)
+        /* Continue with 31bit startup code in head31.S */
         l       %r13,4f-.LPG0(%r13)
         b       0(%r13)
         .align  8
 4:      .long   startup_continue
 #endif
+
         .align  8
 5:      .long   0x7fffffff,0xffffffff
 
diff --git a/arch/s390/kernel/head31.S b/arch/s390/kernel/head31.S
index a1372ae24ae1..9a99856df1c9 100644
--- a/arch/s390/kernel/head31.S
+++ b/arch/s390/kernel/head31.S
@@ -78,10 +78,7 @@ ENTRY(startup_continue)
 
 ENTRY(_ehead)
 
-#ifdef CONFIG_SHARED_KERNEL
         .org    0x100000 - 0x11000      # head.o ends at 0x11000
-#endif
-
 #
 # startup-code, running in absolute addressing mode
 #
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S
index c108af28bbe8..b9e25ae2579c 100644
--- a/arch/s390/kernel/head64.S
+++ b/arch/s390/kernel/head64.S
@@ -76,10 +76,7 @@ ENTRY(startup_continue)
 
 ENTRY(_ehead)
 
-#ifdef CONFIG_SHARED_KERNEL
         .org    0x100000 - 0x11000      # head.o ends at 0x11000
-#endif
-
 #
 # startup-code, running in absolute addressing mode
 #
diff --git a/arch/s390/kernel/head_kdump.S b/arch/s390/kernel/head_kdump.S
index acaaaf4b7055..085a95eb315f 100644
--- a/arch/s390/kernel/head_kdump.S
+++ b/arch/s390/kernel/head_kdump.S
@@ -85,16 +85,10 @@
 .align 2
 startup_kdump_relocated:
         basr    %r13,0
-0:
-        mvc     0(8,%r0),.Lrestart_psw-0b(%r13) # Setup restart PSW
-        sam31                                   # Switch to 31 bit addr mode
-        sr      %r1,%r1                         # Erase register r1
-        sr      %r2,%r2                         # Erase register r2
-        sigp    %r1,%r2,SIGP_SET_ARCHITECTURE   # Switch to 31 bit arch mode
-        lpsw    0                               # Start new kernel...
+0:      lpswe   .Lrestart_psw-0b(%r13)          # Start new kernel...
 .align  8
 .Lrestart_psw:
-        .long   0x00080000,0x80000000 + startup
+        .quad   0x0000000080000000,0x0000000000000000 + startup
 #else
 .align 2
 .Lep_startup_kdump:
diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c
index 46412b1d7e1e..4610deafd953 100644
--- a/arch/s390/kernel/module.c
+++ b/arch/s390/kernel/module.c
@@ -44,6 +44,17 @@
 #define PLT_ENTRY_SIZE 20
 #endif /* CONFIG_64BIT */
 
+#ifdef CONFIG_64BIT
+void *module_alloc(unsigned long size)
+{
+        if (PAGE_ALIGN(size) > MODULES_LEN)
+                return NULL;
+        return __vmalloc_node_range(size, 1, MODULES_VADDR, MODULES_END,
+                                    GFP_KERNEL, PAGE_KERNEL, -1,
+                                    __builtin_return_address(0));
+}
+#endif
+
 /* Free memory returned from module_alloc */
 void module_free(struct module *mod, void *module_region)
 {
diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c
index 9871b1971ed7..c4e7269d4a09 100644
--- a/arch/s390/kernel/perf_cpum_cf.c
+++ b/arch/s390/kernel/perf_cpum_cf.c
@@ -94,7 +94,7 @@ static int get_counter_set(u64 event)
                 set = CPUMF_CTR_SET_USER;
         else if (event < 128)
                 set = CPUMF_CTR_SET_CRYPTO;
-        else if (event < 160)
+        else if (event < 256)
                 set = CPUMF_CTR_SET_EXT;
 
         return set;
@@ -138,6 +138,10 @@ static int validate_ctr_version(const struct hw_perf_event *hwc)
         case CPUMF_CTR_SET_EXT:
                 if (cpuhw->info.csvn < 1)
                         err = -EOPNOTSUPP;
+                if ((cpuhw->info.csvn == 1 && hwc->config > 159) ||
+                    (cpuhw->info.csvn == 2 && hwc->config > 175) ||
+                    (cpuhw->info.csvn  > 2 && hwc->config > 255))
+                        err = -EOPNOTSUPP;
                 break;
         }
 
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 5024be27df44..cd31ad457a9b 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -100,35 +100,6 @@ void cpu_idle(void)
 
 extern void __kprobes kernel_thread_starter(void);
 
-asm(
-        ".section .kprobes.text, \"ax\"\n"
-        ".global kernel_thread_starter\n"
-        "kernel_thread_starter:\n"
-        "    la    2,0(10)\n"
-        "    basr  14,9\n"
-        "    la    2,0\n"
-        "    br    11\n"
-        ".previous\n");
-
-int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
-{
-        struct pt_regs regs;
-
-        memset(&regs, 0, sizeof(regs));
-        regs.psw.mask = psw_kernel_bits |
-                PSW_MASK_DAT | PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK;
-        regs.psw.addr = (unsigned long) kernel_thread_starter | PSW_ADDR_AMODE;
-        regs.gprs[9] = (unsigned long) fn;
-        regs.gprs[10] = (unsigned long) arg;
-        regs.gprs[11] = (unsigned long) do_exit;
-        regs.orig_gpr2 = -1;
-
-        /* Ok, create the new process.. */
-        return do_fork(flags | CLONE_VM | CLONE_UNTRACED,
-                       0, &regs, 0, NULL, NULL);
-}
-EXPORT_SYMBOL(kernel_thread);
-
 /*
  * Free current thread data structures etc..
  */
@@ -146,7 +117,7 @@ void release_thread(struct task_struct *dead_task)
 }
 
 int copy_thread(unsigned long clone_flags, unsigned long new_stackp,
-                unsigned long unused,
+                unsigned long arg,
                 struct task_struct *p, struct pt_regs *regs)
 {
         struct thread_info *ti;
@@ -158,20 +129,44 @@ int copy_thread(unsigned long clone_flags, unsigned long new_stackp,
 
         frame = container_of(task_pt_regs(p), struct fake_frame, childregs);
         p->thread.ksp = (unsigned long) frame;
-        /* Store access registers to kernel stack of new process. */
-        frame->childregs = *regs;
-        frame->childregs.gprs[2] = 0;   /* child returns 0 on fork. */
-        frame->childregs.gprs[15] = new_stackp;
-        frame->sf.back_chain = 0;
+        /* Save access registers to new thread structure. */
+        save_access_regs(&p->thread.acrs[0]);
+        /* start new process with ar4 pointing to the correct address space */
+        p->thread.mm_segment = get_fs();
+        /* Don't copy debug registers */
+        memset(&p->thread.per_user, 0, sizeof(p->thread.per_user));
+        memset(&p->thread.per_event, 0, sizeof(p->thread.per_event));
+        clear_tsk_thread_flag(p, TIF_SINGLE_STEP);
+        clear_tsk_thread_flag(p, TIF_PER_TRAP);
+        /* Initialize per thread user and system timer values */
+        ti = task_thread_info(p);
+        ti->user_timer = 0;
+        ti->system_timer = 0;
 
+        frame->sf.back_chain = 0;
         /* new return point is ret_from_fork */
         frame->sf.gprs[8] = (unsigned long) ret_from_fork;
-
         /* fake return stack for resume(), don't go back to schedule */
         frame->sf.gprs[9] = (unsigned long) frame;
 
-        /* Save access registers to new thread structure. */
-        save_access_regs(&p->thread.acrs[0]);
+        /* Store access registers to kernel stack of new process. */
+        if (unlikely(!regs)) {
+                /* kernel thread */
+                memset(&frame->childregs, 0, sizeof(struct pt_regs));
+                frame->childregs.psw.mask = psw_kernel_bits | PSW_MASK_DAT |
+                                PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK;
+                frame->childregs.psw.addr = PSW_ADDR_AMODE |
+                                (unsigned long) kernel_thread_starter;
+                frame->childregs.gprs[9] = new_stackp; /* function */
+                frame->childregs.gprs[10] = arg;
+                frame->childregs.gprs[11] = (unsigned long) do_exit;
+                frame->childregs.orig_gpr2 = -1;
+
+                return 0;
+        }
+        frame->childregs = *regs;
+        frame->childregs.gprs[2] = 0;   /* child returns 0 on fork. */
+        frame->childregs.gprs[15] = new_stackp;
 
         /* Don't copy runtime instrumentation info */
         p->thread.ri_cb = NULL;
@@ -202,17 +197,6 @@ int copy_thread(unsigned long clone_flags, unsigned long new_stackp,
                 }
         }
 #endif /* CONFIG_64BIT */
-        /* start new process with ar4 pointing to the correct address space */
-        p->thread.mm_segment = get_fs();
-        /* Don't copy debug registers */
-        memset(&p->thread.per_user, 0, sizeof(p->thread.per_user));
-        memset(&p->thread.per_event, 0, sizeof(p->thread.per_event));
-        clear_tsk_thread_flag(p, TIF_SINGLE_STEP);
-        clear_tsk_thread_flag(p, TIF_PER_TRAP);
-        /* Initialize per thread user and system timer values */
-        ti = task_thread_info(p);
-        ti->user_timer = 0;
-        ti->system_timer = 0;
         return 0;
 }
 
@@ -258,31 +242,6 @@ asmlinkage void execve_tail(void)
 }
 
 /*
- * sys_execve() executes a new program.
- */
-SYSCALL_DEFINE3(execve, const char __user *, name,
-                const char __user *const __user *, argv,
-                const char __user *const __user *, envp)
-{
-        struct pt_regs *regs = task_pt_regs(current);
-        char *filename;
-        long rc;
-
-        filename = getname(name);
-        rc = PTR_ERR(filename);
-        if (IS_ERR(filename))
-                return rc;
-        rc = do_execve(filename, argv, envp, regs);
-        if (rc)
-                goto out;
-        execve_tail();
-        rc = regs->gprs[2];
-out:
-        putname(filename);
-        return rc;
-}
-
-/*
  * fill in the FPU structure for a core dump.
  */
 int dump_fpu (struct pt_regs * regs, s390_fp_regs *fpregs)
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index afa9fdba200e..b1f2be9aaaad 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -105,6 +105,11 @@ EXPORT_SYMBOL(VMALLOC_END);
 struct page *vmemmap;
 EXPORT_SYMBOL(vmemmap);
 
+#ifdef CONFIG_64BIT
+unsigned long MODULES_VADDR;
+unsigned long MODULES_END;
+#endif
+
 /* An array with a pointer to the lowcore of every CPU. */
 struct _lowcore *lowcore_ptr[NR_CPUS];
 EXPORT_SYMBOL(lowcore_ptr);
@@ -544,19 +549,23 @@ static void __init setup_memory_end(void)
 
         /* Choose kernel address space layout: 2, 3, or 4 levels. */
 #ifdef CONFIG_64BIT
-        vmalloc_size = VMALLOC_END ?: 128UL << 30;
+        vmalloc_size = VMALLOC_END ?: (128UL << 30) - MODULES_LEN;
         tmp = (memory_end ?: real_memory_size) / PAGE_SIZE;
         tmp = tmp * (sizeof(struct page) + PAGE_SIZE) + vmalloc_size;
         if (tmp <= (1UL << 42))
                 vmax = 1UL << 42;       /* 3-level kernel page table */
         else
                 vmax = 1UL << 53;       /* 4-level kernel page table */
+        /* module area is at the end of the kernel address space. */
+        MODULES_END = vmax;
+        MODULES_VADDR = MODULES_END - MODULES_LEN;
+        VMALLOC_END = MODULES_VADDR;
 #else
         vmalloc_size = VMALLOC_END ?: 96UL << 20;
         vmax = 1UL << 31;               /* 2-level kernel page table */
-#endif
         /* vmalloc area is at the end of the kernel address space. */
         VMALLOC_END = vmax;
+#endif
         VMALLOC_START = vmax - vmalloc_size;
 
         /* Split remaining virtual space between 1:1 mapping & vmemmap array */
@@ -768,6 +777,40 @@ static void __init reserve_crashkernel(void)
 #endif
 }
 
+static void __init init_storage_keys(unsigned long start, unsigned long end)
+{
+        unsigned long boundary, function, size;
+
+        while (start < end) {
+                if (MACHINE_HAS_EDAT2) {
+                        /* set storage keys for a 2GB frame */
+                        function = 0x22000 | PAGE_DEFAULT_KEY;
+                        size = 1UL << 31;
+                        boundary = (start + size) & ~(size - 1);
+                        if (boundary <= end) {
+                                do {
+                                        start = pfmf(function, start);
+                                } while (start < boundary);
+                                continue;
+                        }
+                }
+                if (MACHINE_HAS_EDAT1) {
+                        /* set storage keys for a 1MB frame */
+                        function = 0x21000 | PAGE_DEFAULT_KEY;
+                        size = 1UL << 20;
+                        boundary = (start + size) & ~(size - 1);
+                        if (boundary <= end) {
+                                do {
+                                        start = pfmf(function, start);
+                                } while (start < boundary);
+                                continue;
+                        }
+                }
+                page_set_storage_key(start, PAGE_DEFAULT_KEY, 0);
+                start += PAGE_SIZE;
+        }
+}
+
 static void __init setup_memory(void)
 {
         unsigned long bootmap_size;
@@ -846,9 +889,7 @@ static void __init setup_memory(void)
                 memblock_add_node(PFN_PHYS(start_chunk),
                                   PFN_PHYS(end_chunk - start_chunk), 0);
                 pfn = max(start_chunk, start_pfn);
-                for (; pfn < end_chunk; pfn++)
-                        page_set_storage_key(PFN_PHYS(pfn),
-                                             PAGE_DEFAULT_KEY, 0);
+                init_storage_keys(PFN_PHYS(pfn), PFN_PHYS(end_chunk));
         }
 
         psw_set_key(PAGE_DEFAULT_KEY);
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index 2db1011b8b19..7fcd690d42c7 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -34,7 +34,7 @@
 #include <linux/profile.h>
 #include <linux/timex.h>
 #include <linux/notifier.h>
-#include <linux/clocksource.h>
+#include <linux/timekeeper_internal.h>
 #include <linux/clockchips.h>
 #include <linux/gfp.h>
 #include <linux/kprobes.h>
@@ -219,7 +219,7 @@ struct clocksource * __init clocksource_default_clock(void)
         return &clocksource_tod;
 }
 
-void update_vsyscall(struct timespec *wall_time, struct timespec *wtm,
+void update_vsyscall_old(struct timespec *wall_time, struct timespec *wtm,
                         struct clocksource *clock, u32 mult)
 {
         if (clock != &clocksource_tod)
diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S
index de8fa9bbd35e..79cb51adc741 100644
--- a/arch/s390/kernel/vmlinux.lds.S
+++ b/arch/s390/kernel/vmlinux.lds.S
@@ -8,7 +8,7 @@
 
 #ifndef CONFIG_64BIT
 OUTPUT_FORMAT("elf32-s390", "elf32-s390", "elf32-s390")
-OUTPUT_ARCH(s390)
+OUTPUT_ARCH(s390:31-bit)
 ENTRY(startup)
 jiffies = jiffies_64 + 4;
 #else
diff --git a/arch/s390/mm/Makefile b/arch/s390/mm/Makefile
index 0f5536b0c1a1..1bea6d1f55ab 100644
--- a/arch/s390/mm/Makefile
+++ b/arch/s390/mm/Makefile
@@ -7,3 +7,4 @@ obj-y	 := init.o fault.o extmem.o mmap.o vmem.o pgtable.o maccess.o \
 obj-$(CONFIG_CMM) += cmm.o
 obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o
 obj-$(CONFIG_DEBUG_SET_MODULE_RONX) += pageattr.o
+obj-$(CONFIG_S390_PTDUMP) += dump_pagetables.o
diff --git a/arch/s390/mm/dump_pagetables.c b/arch/s390/mm/dump_pagetables.c
new file mode 100644
index 000000000000..cbc6668acb85
--- /dev/null
+++ b/arch/s390/mm/dump_pagetables.c
@@ -0,0 +1,226 @@
+#include <linux/seq_file.h>
+#include <linux/debugfs.h>
+#include <linux/module.h>
+#include <linux/mm.h>
+#include <asm/sections.h>
+#include <asm/pgtable.h>
+
+static unsigned long max_addr;
+
+struct addr_marker {
+        unsigned long start_address;
+        const char *name;
+};
+
+enum address_markers_idx {
+        IDENTITY_NR = 0,
+        KERNEL_START_NR,
+        KERNEL_END_NR,
+        VMEMMAP_NR,
+        VMALLOC_NR,
+#ifdef CONFIG_64BIT
+        MODULES_NR,
+#endif
+};
+
+static struct addr_marker address_markers[] = {
+        [IDENTITY_NR]     = {0, "Identity Mapping"},
+        [KERNEL_START_NR] = {(unsigned long)&_stext, "Kernel Image Start"},
+        [KERNEL_END_NR]   = {(unsigned long)&_end, "Kernel Image End"},
+        [VMEMMAP_NR]      = {0, "vmemmap Area"},
+        [VMALLOC_NR]      = {0, "vmalloc Area"},
+#ifdef CONFIG_64BIT
+        [MODULES_NR]      = {0, "Modules Area"},
+#endif
+        { -1, NULL }
+};
+
+struct pg_state {
+        int level;
+        unsigned int current_prot;
+        unsigned long start_address;
+        unsigned long current_address;
+        const struct addr_marker *marker;
+};
+
+static void print_prot(struct seq_file *m, unsigned int pr, int level)
+{
+        static const char * const level_name[] =
+                { "ASCE", "PGD", "PUD", "PMD", "PTE" };
+
+        seq_printf(m, "%s ", level_name[level]);
+        if (pr & _PAGE_INVALID)
+                seq_printf(m, "I\n");
+        else
+                seq_printf(m, "%s\n", pr & _PAGE_RO ? "RO" : "RW");
+}
+
+static void note_page(struct seq_file *m, struct pg_state *st,
+                     unsigned int new_prot, int level)
+{
+        static const char units[] = "KMGTPE";
+        int width = sizeof(unsigned long) * 2;
+        const char *unit = units;
+        unsigned int prot, cur;
+        unsigned long delta;
+
+        /*
+         * If we have a "break" in the series, we need to flush the state
+         * that we have now. "break" is either changing perms, levels or
+         * address space marker.
+         */
+        prot = new_prot;
+        cur = st->current_prot;
+
+        if (!st->level) {
+                /* First entry */
+                st->current_prot = new_prot;
+                st->level = level;
+                st->marker = address_markers;
+                seq_printf(m, "---[ %s ]---\n", st->marker->name);
+        } else if (prot != cur || level != st->level ||
+                   st->current_address >= st->marker[1].start_address) {
+                /* Print the actual finished series */
+                seq_printf(m, "0x%0*lx-0x%0*lx",
+                           width, st->start_address,
+                           width, st->current_address);
+                delta = (st->current_address - st->start_address) >> 10;
+                while (!(delta & 0x3ff) && unit[1]) {
+                        delta >>= 10;
+                        unit++;
+                }
+                seq_printf(m, "%9lu%c ", delta, *unit);
+                print_prot(m, st->current_prot, st->level);
+                if (st->current_address >= st->marker[1].start_address) {
+                        st->marker++;
+                        seq_printf(m, "---[ %s ]---\n", st->marker->name);
+                }
+                st->start_address = st->current_address;
+                st->current_prot = new_prot;
+                st->level = level;
+        }
+}
+
+/*
+ * The actual page table walker functions. In order to keep the implementation
+ * of print_prot() short, we only check and pass _PAGE_INVALID and _PAGE_RO
+ * flags to note_page() if a region, segment or page table entry is invalid or
+ * read-only.
+ * After all it's just a hint that the current level being walked contains an
+ * invalid or read-only entry.
+ */
+static void walk_pte_level(struct seq_file *m, struct pg_state *st,
+                           pmd_t *pmd, unsigned long addr)
+{
+        unsigned int prot;
+        pte_t *pte;
+        int i;
+
+        for (i = 0; i < PTRS_PER_PTE && addr < max_addr; i++) {
+                st->current_address = addr;
+                pte = pte_offset_kernel(pmd, addr);
+                prot = pte_val(*pte) & (_PAGE_RO | _PAGE_INVALID);
+                note_page(m, st, prot, 4);
+                addr += PAGE_SIZE;
+        }
+}
+
+static void walk_pmd_level(struct seq_file *m, struct pg_state *st,
+                           pud_t *pud, unsigned long addr)
+{
+        unsigned int prot;
+        pmd_t *pmd;
+        int i;
+
+        for (i = 0; i < PTRS_PER_PMD && addr < max_addr; i++) {
+                st->current_address = addr;
+                pmd = pmd_offset(pud, addr);
+                if (!pmd_none(*pmd)) {
+                        if (pmd_large(*pmd)) {
+                                prot = pmd_val(*pmd) & _SEGMENT_ENTRY_RO;
+                                note_page(m, st, prot, 3);
+                        } else
+                                walk_pte_level(m, st, pmd, addr);
+                } else
+                        note_page(m, st, _PAGE_INVALID, 3);
+                addr += PMD_SIZE;
+        }
+}
+
+static void walk_pud_level(struct seq_file *m, struct pg_state *st,
+                           pgd_t *pgd, unsigned long addr)
+{
+        pud_t *pud;
+        int i;
+
+        for (i = 0; i < PTRS_PER_PUD && addr < max_addr; i++) {
+                st->current_address = addr;
+                pud = pud_offset(pgd, addr);
+                if (!pud_none(*pud))
+                        walk_pmd_level(m, st, pud, addr);
+                else
+                        note_page(m, st, _PAGE_INVALID, 2);
+                addr += PUD_SIZE;
+        }
+}
+
+static void walk_pgd_level(struct seq_file *m)
+{
+        unsigned long addr = 0;
+        struct pg_state st;
+        pgd_t *pgd;
+        int i;
+
+        memset(&st, 0, sizeof(st));
+        for (i = 0; i < PTRS_PER_PGD && addr < max_addr; i++) {
+                st.current_address = addr;
+                pgd = pgd_offset_k(addr);
+                if (!pgd_none(*pgd))
+                        walk_pud_level(m, &st, pgd, addr);
+                else
+                        note_page(m, &st, _PAGE_INVALID, 1);
+                addr += PGDIR_SIZE;
+        }
+        /* Flush out the last page */
+        st.current_address = max_addr;
+        note_page(m, &st, 0, 0);
+}
+
+static int ptdump_show(struct seq_file *m, void *v)
+{
+        walk_pgd_level(m);
+        return 0;
+}
+
+static int ptdump_open(struct inode *inode, struct file *filp)
+{
+        return single_open(filp, ptdump_show, NULL);
+}
+
+static const struct file_operations ptdump_fops = {
+        .open           = ptdump_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = single_release,
+};
+
+static int pt_dump_init(void)
+{
+        /*
+         * Figure out the maximum virtual address being accessible with the
+         * kernel ASCE. We need this to keep the page table walker functions
+         * from accessing non-existent entries.
+         */
+#ifdef CONFIG_32BIT
+        max_addr = 1UL << 31;
+#else
+        max_addr = (S390_lowcore.kernel_asce & _REGION_ENTRY_TYPE_MASK) >> 2;
+        max_addr = 1UL << (max_addr * 11 + 31);
+        address_markers[MODULES_NR].start_address = MODULES_VADDR;
+#endif
+        address_markers[VMEMMAP_NR].start_address = (unsigned long) vmemmap;
+        address_markers[VMALLOC_NR].start_address = VMALLOC_START;
+        debugfs_create_file("kernel_page_tables", 0400, NULL, NULL, &ptdump_fops);
+        return 0;
+}
+device_initcall(pt_dump_init);
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index ac9122ca1152..04ad4001a289 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -367,6 +367,7 @@ retry:
                         /* Clear FAULT_FLAG_ALLOW_RETRY to avoid any risk
                          * of starvation. */
                         flags &= ~FAULT_FLAG_ALLOW_RETRY;
+                        flags |= FAULT_FLAG_TRIED;
                         down_read(&mm->mmap_sem);
                         goto retry;
                 }
diff --git a/arch/s390/mm/gup.c b/arch/s390/mm/gup.c
index eeaf8023851f..60acb93a4680 100644
--- a/arch/s390/mm/gup.c
+++ b/arch/s390/mm/gup.c
@@ -115,7 +115,16 @@ static inline int gup_pmd_range(pud_t *pudp, pud_t pud, unsigned long addr,
                 pmd = *pmdp;
                 barrier();
                 next = pmd_addr_end(addr, end);
-                if (pmd_none(pmd))
+                /*
+                 * The pmd_trans_splitting() check below explains why
+                 * pmdp_splitting_flush() has to serialize with
+                 * smp_call_function() against our disabled IRQs, to stop
+                 * this gup-fast code from running while we set the
+                 * splitting bit in the pmd. Returning zero will take
+                 * the slow path that will call wait_split_huge_page()
+                 * if the pmd is still in splitting state.
+                 */
+                if (pmd_none(pmd) || pmd_trans_splitting(pmd))
                         return 0;
                 if (unlikely(pmd_huge(pmd))) {
                         if (!gup_huge_pmd(pmdp, pmd, addr, next,
diff --git a/arch/s390/mm/pageattr.c b/arch/s390/mm/pageattr.c
index b36537a5f43e..00be01c4b4f3 100644
--- a/arch/s390/mm/pageattr.c
+++ b/arch/s390/mm/pageattr.c
@@ -8,25 +8,38 @@
 #include <asm/cacheflush.h>
 #include <asm/pgtable.h>
 
+static pte_t *walk_page_table(unsigned long addr)
+{
+        pgd_t *pgdp;
+        pud_t *pudp;
+        pmd_t *pmdp;
+        pte_t *ptep;
+
+        pgdp = pgd_offset_k(addr);
+        if (pgd_none(*pgdp))
+                return NULL;
+        pudp = pud_offset(pgdp, addr);
+        if (pud_none(*pudp))
+                return NULL;
+        pmdp = pmd_offset(pudp, addr);
+        if (pmd_none(*pmdp) || pmd_large(*pmdp))
+                return NULL;
+        ptep = pte_offset_kernel(pmdp, addr);
+        if (pte_none(*ptep))
+                return NULL;
+        return ptep;
+}
+
 static void change_page_attr(unsigned long addr, int numpages,
                              pte_t (*set) (pte_t))
 {
         pte_t *ptep, pte;
-        pmd_t *pmdp;
-        pud_t *pudp;
-        pgd_t *pgdp;
         int i;
 
         for (i = 0; i < numpages; i++) {
-                pgdp = pgd_offset(&init_mm, addr);
-                pudp = pud_offset(pgdp, addr);
-                pmdp = pmd_offset(pudp, addr);
-                if (pmd_huge(*pmdp)) {
-                        WARN_ON_ONCE(1);
-                        continue;
-                }
-                ptep = pte_offset_kernel(pmdp, addr);
-
+                ptep = walk_page_table(addr);
+                if (WARN_ON_ONCE(!ptep))
+                        break;
                 pte = *ptep;
                 pte = set(pte);
                 __ptep_ipte(addr, ptep);
@@ -40,21 +53,18 @@ int set_memory_ro(unsigned long addr, int numpages)
         change_page_attr(addr, numpages, pte_wrprotect);
         return 0;
 }
-EXPORT_SYMBOL_GPL(set_memory_ro);
 
 int set_memory_rw(unsigned long addr, int numpages)
 {
         change_page_attr(addr, numpages, pte_mkwrite);
         return 0;
 }
-EXPORT_SYMBOL_GPL(set_memory_rw);
 
 /* not possible */
 int set_memory_nx(unsigned long addr, int numpages)
 {
         return 0;
 }
-EXPORT_SYMBOL_GPL(set_memory_nx);
 
 int set_memory_x(unsigned long addr, int numpages)
 {
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
index b402991e43d7..c8188a18af05 100644
--- a/arch/s390/mm/pgtable.c
+++ b/arch/s390/mm/pgtable.c
@@ -787,6 +787,30 @@ void tlb_remove_table(struct mmu_gather *tlb, void *table)
                 tlb_table_flush(tlb);
 }
 
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+void thp_split_vma(struct vm_area_struct *vma)
+{
+        unsigned long addr;
+        struct page *page;
+
+        for (addr = vma->vm_start; addr < vma->vm_end; addr += PAGE_SIZE) {
+                page = follow_page(vma, addr, FOLL_SPLIT);
+        }
+}
+
+void thp_split_mm(struct mm_struct *mm)
+{
+        struct vm_area_struct *vma = mm->mmap;
+
+        while (vma != NULL) {
+                thp_split_vma(vma);
+                vma->vm_flags &= ~VM_HUGEPAGE;
+                vma->vm_flags |= VM_NOHUGEPAGE;
+                vma = vma->vm_next;
+        }
+}
+#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
+
 /*
  * switch on pgstes for its userspace process (for kvm)
  */
@@ -824,6 +848,12 @@ int s390_enable_sie(void)
         if (!mm)
                 return -ENOMEM;
 
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+        /* split thp mappings and disable thp for future mappings */
+        thp_split_mm(mm);
+        mm->def_flags |= VM_NOHUGEPAGE;
+#endif
+
         /* Now lets check again if something happened */
         task_lock(tsk);
         if (!tsk->mm || atomic_read(&tsk->mm->mm_users) > 1 ||
@@ -866,3 +896,81 @@ bool kernel_page_present(struct page *page)
         return cc == 0;
 }
 #endif /* CONFIG_HIBERNATION && CONFIG_DEBUG_PAGEALLOC */
+
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+int pmdp_clear_flush_young(struct vm_area_struct *vma, unsigned long address,
+                           pmd_t *pmdp)
+{
+        VM_BUG_ON(address & ~HPAGE_PMD_MASK);
+        /* No need to flush TLB
+         * On s390 reference bits are in storage key and never in TLB */
+        return pmdp_test_and_clear_young(vma, address, pmdp);
+}
+
+int pmdp_set_access_flags(struct vm_area_struct *vma,
+                          unsigned long address, pmd_t *pmdp,
+                          pmd_t entry, int dirty)
+{
+        VM_BUG_ON(address & ~HPAGE_PMD_MASK);
+
+        if (pmd_same(*pmdp, entry))
+                return 0;
+        pmdp_invalidate(vma, address, pmdp);
+        set_pmd_at(vma->vm_mm, address, pmdp, entry);
+        return 1;
+}
+
+static void pmdp_splitting_flush_sync(void *arg)
+{
+        /* Simply deliver the interrupt */
+}
+
+void pmdp_splitting_flush(struct vm_area_struct *vma, unsigned long address,
+                          pmd_t *pmdp)
+{
+        VM_BUG_ON(address & ~HPAGE_PMD_MASK);
+        if (!test_and_set_bit(_SEGMENT_ENTRY_SPLIT_BIT,
+                              (unsigned long *) pmdp)) {
+                /* need to serialize against gup-fast (IRQ disabled) */
+                smp_call_function(pmdp_splitting_flush_sync, NULL, 1);
+        }
+}
+
+void pgtable_trans_huge_deposit(struct mm_struct *mm, pgtable_t pgtable)
+{
+        struct list_head *lh = (struct list_head *) pgtable;
+
+        assert_spin_locked(&mm->page_table_lock);
+
+        /* FIFO */
+        if (!mm->pmd_huge_pte)
+                INIT_LIST_HEAD(lh);
+        else
+                list_add(lh, (struct list_head *) mm->pmd_huge_pte);
+        mm->pmd_huge_pte = pgtable;
+}
+
+pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm)
+{
+        struct list_head *lh;
+        pgtable_t pgtable;
+        pte_t *ptep;
+
+        assert_spin_locked(&mm->page_table_lock);
+
+        /* FIFO */
+        pgtable = mm->pmd_huge_pte;
+        lh = (struct list_head *) pgtable;
+        if (list_empty(lh))
+                mm->pmd_huge_pte = NULL;
+        else {
+                mm->pmd_huge_pte = (pgtable_t) lh->next;
+                list_del(lh);
+        }
+        ptep = (pte_t *) pgtable;
+        pte_val(*ptep) = _PAGE_TYPE_EMPTY;
+        ptep++;
+        pte_val(*ptep) = _PAGE_TYPE_EMPTY;
+        return pgtable;
+}
+#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c
index c22abf900c9e..387c7c60b5b8 100644
--- a/arch/s390/mm/vmem.c
+++ b/arch/s390/mm/vmem.c
@@ -79,7 +79,8 @@ static pte_t __ref *vmem_pte_alloc(unsigned long address)
  */
 static int vmem_add_mem(unsigned long start, unsigned long size, int ro)
 {
-        unsigned long address;
+        unsigned long end = start + size;
+        unsigned long address = start;
         pgd_t *pg_dir;
         pud_t *pu_dir;
         pmd_t *pm_dir;
@@ -87,7 +88,7 @@ static int vmem_add_mem(unsigned long start, unsigned long size, int ro)
         pte_t  pte;
         int ret = -ENOMEM;
 
-        for (address = start; address < start + size; address += PAGE_SIZE) {
+        while (address < end) {
                 pg_dir = pgd_offset_k(address);
                 if (pgd_none(*pg_dir)) {
                         pu_dir = vmem_pud_alloc();
@@ -108,12 +109,11 @@ static int vmem_add_mem(unsigned long start, unsigned long size, int ro)
                 pm_dir = pmd_offset(pu_dir, address);
 
 #if defined(CONFIG_64BIT) && !defined(CONFIG_DEBUG_PAGEALLOC)
-                if (MACHINE_HAS_HPAGE && !(address & ~HPAGE_MASK) &&
-                    (address + HPAGE_SIZE <= start + size) &&
-                    (address >= HPAGE_SIZE)) {
+                if (MACHINE_HAS_EDAT1 && pmd_none(*pm_dir) && address &&
+                    !(address & ~PMD_MASK) && (address + PMD_SIZE <= end)) {
                         pte_val(pte) |= _SEGMENT_ENTRY_LARGE;
                         pmd_val(*pm_dir) = pte_val(pte);
-                        address += HPAGE_SIZE - PAGE_SIZE;
+                        address += PMD_SIZE;
                         continue;
                 }
 #endif
@@ -126,10 +126,11 @@ static int vmem_add_mem(unsigned long start, unsigned long size, int ro)
 
                 pt_dir = pte_offset_kernel(pm_dir, address);
                 *pt_dir = pte;
+                address += PAGE_SIZE;
         }
         ret = 0;
 out:
-        flush_tlb_kernel_range(start, start + size);
+        flush_tlb_kernel_range(start, end);
         return ret;
 }
 
@@ -139,7 +140,8 @@ out:
  */
 static void vmem_remove_range(unsigned long start, unsigned long size)
 {
-        unsigned long address;
+        unsigned long end = start + size;
+        unsigned long address = start;
         pgd_t *pg_dir;
         pud_t *pu_dir;
         pmd_t *pm_dir;
@@ -147,25 +149,32 @@ static void vmem_remove_range(unsigned long start, unsigned long size)
         pte_t  pte;
 
         pte_val(pte) = _PAGE_TYPE_EMPTY;
-        for (address = start; address < start + size; address += PAGE_SIZE) {
+        while (address < end) {
                 pg_dir = pgd_offset_k(address);
+                if (pgd_none(*pg_dir)) {
+                        address += PGDIR_SIZE;
+                        continue;
+                }
                 pu_dir = pud_offset(pg_dir, address);
-                if (pud_none(*pu_dir))
+                if (pud_none(*pu_dir)) {
+                        address += PUD_SIZE;
                         continue;
+                }
                 pm_dir = pmd_offset(pu_dir, address);
-                if (pmd_none(*pm_dir))
+                if (pmd_none(*pm_dir)) {
+                        address += PMD_SIZE;
                         continue;
-
-                if (pmd_huge(*pm_dir)) {
+                }
+                if (pmd_large(*pm_dir)) {
                         pmd_clear(pm_dir);
-                        address += HPAGE_SIZE - PAGE_SIZE;
+                        address += PMD_SIZE;
                         continue;
                 }
-
                 pt_dir = pte_offset_kernel(pm_dir, address);
                 *pt_dir = pte;
+                address += PAGE_SIZE;
         }
-        flush_tlb_kernel_range(start, start + size);
+        flush_tlb_kernel_range(start, end);
 }
 
 /*
@@ -330,8 +339,8 @@ void __init vmem_map_init(void)
         unsigned long start, end;
         int i;
 
-        ro_start = ((unsigned long)&_stext) & PAGE_MASK;
-        ro_end = PFN_ALIGN((unsigned long)&_eshared);
+        ro_start = PFN_ALIGN((unsigned long)&_stext);
+        ro_end = (unsigned long)&_eshared & PAGE_MASK;
         for (i = 0; i < MEMORY_CHUNKS && memory_chunk[i].size > 0; i++) {
                 if (memory_chunk[i].type == CHUNK_CRASHK ||
                     memory_chunk[i].type == CHUNK_OLDMEM)