Merge branch 'for-2.6.34' into for-2.6.35

10 files changed, 20 insertions, 54 deletions

diff --git a/arch/s390/crypto/sha_common.c b/arch/s390/crypto/sha_common.c
index 7903ec47e6b9..f42dbabc0d30 100644
--- a/arch/s390/crypto/sha_common.c
+++ b/arch/s390/crypto/sha_common.c
@@ -79,7 +79,7 @@ int s390_sha_final(struct shash_desc *desc, u8 *out)
         memset(ctx->buf + index, 0x00, end - index - 8);
 
         /*
-         * Append message length. Well, SHA-512 wants a 128 bit lenght value,
+         * Append message length. Well, SHA-512 wants a 128 bit length value,
          * nevertheless we use u64, should be enough for now...
          */
         bits = ctx->count * 8;
diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h
index e85679af54dd..e34347d567a6 100644
--- a/arch/s390/include/asm/cio.h
+++ b/arch/s390/include/asm/cio.h
@@ -20,7 +20,7 @@
 /**
  * struct ccw1 - channel command word
  * @cmd_code: command code
- * @flags: flags, like IDA adressing, etc.
+ * @flags: flags, like IDA addressing, etc.
  * @count: byte count
  * @cda: data address
  *
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index 01a08020bc0e..104f2007f097 100644
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -35,7 +35,8 @@
 
 extern long psw32_user_bits;
 
-#define COMPAT_USER_HZ  100
+#define COMPAT_USER_HZ          100
+#define COMPAT_UTS_MACHINE      "s390\0\0\0\0"
 
 typedef u32             compat_size_t;
 typedef s32             compat_ssize_t;
diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h
index dd2d913afcae..fef9b33cdd59 100644
--- a/arch/s390/include/asm/ptrace.h
+++ b/arch/s390/include/asm/ptrace.h
@@ -489,9 +489,6 @@ struct user_regs_struct
  * These are defined as per linux/ptrace.h, which see.
  */
 #define arch_has_single_step()  (1)
-struct task_struct;
-extern void user_enable_single_step(struct task_struct *);
-extern void user_disable_single_step(struct task_struct *);
 extern void show_regs(struct pt_regs * regs);
 
 #define user_mode(regs) (((regs)->psw.mask & PSW_MASK_PSTATE) != 0)
diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h
index 6e9f049fa823..5f0075150a65 100644
--- a/arch/s390/include/asm/unistd.h
+++ b/arch/s390/include/asm/unistd.h
@@ -392,6 +392,7 @@
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_MMAP
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 30de2d0e52bb..672ce52341b4 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -547,7 +547,7 @@ sys32_setdomainname_wrapper:
         .globl  sys32_newuname_wrapper
 sys32_newuname_wrapper:
         llgtr   %r2,%r2                 # struct new_utsname *
-        jg      sys_s390_newuname       # branch to system call
+        jg      sys_newuname            # branch to system call
 
         .globl  compat_sys_adjtimex_wrapper
 compat_sys_adjtimex_wrapper:
diff --git a/arch/s390/kernel/entry.h b/arch/s390/kernel/entry.h
index e1e5e767ab56..eb15c12ec158 100644
--- a/arch/s390/kernel/entry.h
+++ b/arch/s390/kernel/entry.h
@@ -24,17 +24,13 @@ int __cpuinit start_secondary(void *cpuvoid);
 void __init startup_init(void);
 void die(const char * str, struct pt_regs * regs, long err);
 
-struct new_utsname;
-struct mmap_arg_struct;
+struct s390_mmap_arg_struct;
 struct fadvise64_64_args;
 struct old_sigaction;
-struct sel_arg_struct;
 
-long sys_mmap2(struct mmap_arg_struct __user  *arg);
-long sys_s390_old_mmap(struct mmap_arg_struct __user *arg);
-long sys_ipc(uint call, int first, unsigned long second,
+long sys_mmap2(struct s390_mmap_arg_struct __user  *arg);
+long sys_s390_ipc(uint call, int first, unsigned long second,
              unsigned long third, void __user *ptr);
-long sys_s390_newuname(struct new_utsname __user *name);
 long sys_s390_personality(unsigned long personality);
 long sys_s390_fadvise64(int fd, u32 offset_high, u32 offset_low,
                     size_t len, int advice);
diff --git a/arch/s390/kernel/sclp.S b/arch/s390/kernel/sclp.S
index 27af3bf3a009..2e82fdd89320 100644
--- a/arch/s390/kernel/sclp.S
+++ b/arch/s390/kernel/sclp.S
@@ -235,7 +235,7 @@ _sclp_print:
         lh      %r9,0(%r8)                      # update sccb length
         ar      %r9,%r6
         sth     %r9,0(%r8)
-        ar      %r7,%r6                         # update current mto adress
+        ar      %r7,%r6                         # update current mto address
         ltr     %r0,%r0                         # more characters?
         jnz     .LinitmtoS4
         l       %r2,.LwritedataS4-.LbaseS4(%r13)# write data
diff --git a/arch/s390/kernel/sys_s390.c b/arch/s390/kernel/sys_s390.c
index 86a74c9c9e63..7b6b0f81a283 100644
--- a/arch/s390/kernel/sys_s390.c
+++ b/arch/s390/kernel/sys_s390.c
@@ -33,13 +33,12 @@
 #include "entry.h"
 
 /*
- * Perform the select(nd, in, out, ex, tv) and mmap() system
- * calls. Linux for S/390 isn't able to handle more than 5
- * system call parameters, so these system calls used a memory
- * block for parameter passing..
+ * Perform the mmap() system call. Linux for S/390 isn't able to handle more
+ * than 5 system call parameters, so this system call uses a memory block
+ * for parameter passing.
  */
 
-struct mmap_arg_struct {
+struct s390_mmap_arg_struct {
         unsigned long addr;
         unsigned long len;
         unsigned long prot;
@@ -48,9 +47,9 @@ struct mmap_arg_struct {
         unsigned long offset;
 };
 
-SYSCALL_DEFINE1(mmap2, struct mmap_arg_struct __user *, arg)
+SYSCALL_DEFINE1(mmap2, struct s390_mmap_arg_struct __user *, arg)
 {
-        struct mmap_arg_struct a;
+        struct s390_mmap_arg_struct a;
         int error = -EFAULT;
 
         if (copy_from_user(&a, arg, sizeof(a)))
@@ -60,29 +59,12 @@ out:
         return error;
 }
 
-SYSCALL_DEFINE1(s390_old_mmap, struct mmap_arg_struct __user *, arg)
-{
-        struct mmap_arg_struct a;
-        long error = -EFAULT;
-
-        if (copy_from_user(&a, arg, sizeof(a)))
-                goto out;
-
-        error = -EINVAL;
-        if (a.offset & ~PAGE_MASK)
-                goto out;
-
-        error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT);
-out:
-        return error;
-}
-
 /*
  * sys_ipc() is the de-multiplexer for the SysV IPC calls..
  *
  * This is really horribly ugly.
  */
-SYSCALL_DEFINE5(ipc, uint, call, int, first, unsigned long, second,
+SYSCALL_DEFINE5(s390_ipc, uint, call, int, first, unsigned long, second,
                 unsigned long, third, void __user *, ptr)
 {
         struct ipc_kludge tmp;
@@ -149,17 +131,6 @@ SYSCALL_DEFINE5(ipc, uint, call, int, first, unsigned long, second,
 }
 
 #ifdef CONFIG_64BIT
-SYSCALL_DEFINE1(s390_newuname, struct new_utsname __user *, name)
-{
-        int ret = sys_newuname(name);
-
-        if (personality(current->personality) == PER_LINUX32 && !ret) {
-                ret = copy_to_user(name->machine, "s390\0\0\0\0", 8);
-                if (ret) ret = -EFAULT;
-        }
-        return ret;
-}
-
 SYSCALL_DEFINE1(s390_personality, unsigned long, personality)
 {
         int ret;
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 30eca070d426..201ce6bed34e 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -98,7 +98,7 @@ SYSCALL(sys_uselib,sys_uselib,sys32_uselib_wrapper)
 SYSCALL(sys_swapon,sys_swapon,sys32_swapon_wrapper)
 SYSCALL(sys_reboot,sys_reboot,sys32_reboot_wrapper)
 SYSCALL(sys_ni_syscall,sys_ni_syscall,old32_readdir_wrapper)    /* old readdir syscall */
-SYSCALL(sys_s390_old_mmap,sys_s390_old_mmap,old32_mmap_wrapper) /* 90 */
+SYSCALL(sys_old_mmap,sys_old_mmap,old32_mmap_wrapper)           /* 90 */
 SYSCALL(sys_munmap,sys_munmap,sys32_munmap_wrapper)
 SYSCALL(sys_truncate,sys_truncate,sys32_truncate_wrapper)
 SYSCALL(sys_ftruncate,sys_ftruncate,sys32_ftruncate_wrapper)
@@ -125,12 +125,12 @@ NI_SYSCALL							/* vm86old for i386 */
 SYSCALL(sys_wait4,sys_wait4,compat_sys_wait4_wrapper)
 SYSCALL(sys_swapoff,sys_swapoff,sys32_swapoff_wrapper)          /* 115 */
 SYSCALL(sys_sysinfo,sys_sysinfo,compat_sys_sysinfo_wrapper)
-SYSCALL(sys_ipc,sys_ipc,sys32_ipc_wrapper)
+SYSCALL(sys_s390_ipc,sys_s390_ipc,sys32_ipc_wrapper)
 SYSCALL(sys_fsync,sys_fsync,sys32_fsync_wrapper)
 SYSCALL(sys_sigreturn,sys_sigreturn,sys32_sigreturn)
 SYSCALL(sys_clone,sys_clone,sys_clone_wrapper)                  /* 120 */
 SYSCALL(sys_setdomainname,sys_setdomainname,sys32_setdomainname_wrapper)
-SYSCALL(sys_newuname,sys_s390_newuname,sys32_newuname_wrapper)
+SYSCALL(sys_newuname,sys_newuname,sys32_newuname_wrapper)
 NI_SYSCALL                                                      /* modify_ldt for i386 */
 SYSCALL(sys_adjtimex,sys_adjtimex,compat_sys_adjtimex_wrapper)
 SYSCALL(sys_mprotect,sys_mprotect,sys32_mprotect_wrapper)       /* 125 */