52 files changed, 759 insertions, 802 deletions

diff --git a/arch/mn10300/Kconfig b/arch/mn10300/Kconfig
index aa03f2e1338..04669fac117 100644
--- a/arch/mn10300/Kconfig
+++ b/arch/mn10300/Kconfig
@@ -8,6 +8,7 @@ config MN10300
 	select HAVE_ARCH_KGDB
 	select HAVE_NMI_WATCHDOG if MN10300_WD_TIMER
 	select GENERIC_CLOCKEVENTS
+	select GENERIC_KERNEL_THREAD
 	select MODULES_USE_ELF_RELA
 
 config AM33_2
diff --git a/arch/mn10300/Makefile b/arch/mn10300/Makefile
index 33188b6e81e..a3d0fef3b12 100644
--- a/arch/mn10300/Makefile
+++ b/arch/mn10300/Makefile
@@ -26,7 +26,7 @@ CHECKFLAGS	+=
 PROCESSOR	:= unset
 UNIT		:= unset
 
-KBUILD_CFLAGS	+= -mam33 -mmem-funcs -DCPU=AM33
+KBUILD_CFLAGS	+= -mam33 -DCPU=AM33 $(call cc-option,-mmem-funcs,)
 KBUILD_AFLAGS	+= -mam33 -DCPU=AM33
 
 ifeq ($(CONFIG_MN10300_CURRENT_IN_E2),y)
diff --git a/arch/mn10300/include/asm/Kbuild b/arch/mn10300/include/asm/Kbuild
index c68e1680da0..4a159da2363 100644
--- a/arch/mn10300/include/asm/Kbuild
+++ b/arch/mn10300/include/asm/Kbuild
@@ -1 +1,3 @@
-include include/asm-generic/Kbuild.asm
+
+generic-y += clkdev.h
+generic-y += exec.h
diff --git a/arch/mn10300/include/asm/elf.h b/arch/mn10300/include/asm/elf.h
index 8157c9267f4..4ebd6b3a0a1 100644
--- a/arch/mn10300/include/asm/elf.h
+++ b/arch/mn10300/include/asm/elf.h
@@ -151,7 +151,8 @@ do {						\
 #define ELF_PLATFORM  (NULL)
 
 #ifdef __KERNEL__
-#define SET_PERSONALITY(ex) set_personality(PER_LINUX)
+#define SET_PERSONALITY(ex) \
+	set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
 #endif
 
 #endif /* _ASM_ELF_H */
diff --git a/arch/mn10300/include/asm/frame.inc b/arch/mn10300/include/asm/frame.inc
index 2ee58e3eb6b..1c3eb4fda95 100644
--- a/arch/mn10300/include/asm/frame.inc
+++ b/arch/mn10300/include/asm/frame.inc
@@ -61,7 +61,7 @@
 ###############################################################################
 .macro RESTORE_ALL
 	# peel back the stack to the calling frame
-	# - this permits execve() to discard extra frames due to kernel syscalls
+	# - we need that when returning from interrupts to kernel mode
 	GET_THREAD_INFO a0
 	mov	(TI_frame,a0),fp
 	mov	fp,sp
diff --git a/arch/mn10300/include/asm/processor.h b/arch/mn10300/include/asm/processor.h
index 247928c9f54..8b80b19d0c8 100644
--- a/arch/mn10300/include/asm/processor.h
+++ b/arch/mn10300/include/asm/processor.h
@@ -119,20 +119,13 @@ struct thread_struct {
 
 /*
  * do necessary setup to start up a newly executed thread
- * - need to discard the frame stacked by the kernel thread invoking the execve
- *   syscall (see RESTORE_ALL macro)
  */
 static inline void start_thread(struct pt_regs *regs,
 				unsigned long new_pc, unsigned long new_sp)
 {
-	struct thread_info *ti = current_thread_info();
-	struct pt_regs *frame0;
-
-	frame0 = thread_info_to_uregs(ti);
-	frame0->epsw = EPSW_nSL | EPSW_IE | EPSW_IM;
-	frame0->pc = new_pc;
-	frame0->sp = new_sp;
-	ti->frame = frame0;
+	regs->epsw = EPSW_nSL | EPSW_IE | EPSW_IM;
+	regs->pc = new_pc;
+	regs->sp = new_sp;
 }
 
 
@@ -140,11 +133,6 @@ static inline void start_thread(struct pt_regs *regs,
 extern void release_thread(struct task_struct *);
 
 /*
- * create a kernel thread without removing it from tasklists
- */
-extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
-
-/*
  * Return saved PC of a blocked thread.
  */
 extern unsigned long thread_saved_pc(struct task_struct *tsk);
diff --git a/arch/mn10300/include/asm/ptrace.h b/arch/mn10300/include/asm/ptrace.h
index 44251b974f1..838a3830010 100644
--- a/arch/mn10300/include/asm/ptrace.h
+++ b/arch/mn10300/include/asm/ptrace.h
@@ -11,85 +11,16 @@
 #ifndef _ASM_PTRACE_H
 #define _ASM_PTRACE_H
 
-#define PT_A3		0
-#define PT_A2		1
-#define PT_D3		2
-#define	PT_D2		3
-#define PT_MCVF		4
-#define	PT_MCRL		5
-#define PT_MCRH		6
-#define	PT_MDRQ		7
-#define	PT_E1		8
-#define	PT_E0		9
-#define	PT_E7		10
-#define	PT_E6		11
-#define	PT_E5		12
-#define	PT_E4		13
-#define	PT_E3		14
-#define	PT_E2		15
-#define	PT_SP		16
-#define	PT_LAR		17
-#define	PT_LIR		18
-#define	PT_MDR		19
-#define	PT_A1		20
-#define	PT_A0		21
-#define	PT_D1		22
-#define	PT_D0		23
-#define PT_ORIG_D0	24
-#define	PT_EPSW		25
-#define	PT_PC		26
-#define NR_PTREGS	27
+#include <uapi/asm/ptrace.h>
 
-/*
- * This defines the way registers are stored in the event of an exception
- * - the strange order is due to the MOVM instruction
- */
-struct pt_regs {
-	unsigned long		a3;		/* syscall arg 3 */
-	unsigned long		a2;		/* syscall arg 4 */
-	unsigned long		d3;		/* syscall arg 5 */
-	unsigned long		d2;		/* syscall arg 6 */
-	unsigned long		mcvf;
-	unsigned long		mcrl;
-	unsigned long		mcrh;
-	unsigned long		mdrq;
-	unsigned long		e1;
-	unsigned long		e0;
-	unsigned long		e7;
-	unsigned long		e6;
-	unsigned long		e5;
-	unsigned long		e4;
-	unsigned long		e3;
-	unsigned long		e2;
-	unsigned long		sp;
-	unsigned long		lar;
-	unsigned long		lir;
-	unsigned long		mdr;
-	unsigned long		a1;
-	unsigned long		a0;		/* syscall arg 1 */
-	unsigned long		d1;		/* syscall arg 2 */
-	unsigned long		d0;		/* syscall ret */
-	struct pt_regs		*next;		/* next frame pointer */
-	unsigned long		orig_d0;	/* syscall number */
-	unsigned long		epsw;
-	unsigned long		pc;
-};
-
-/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
-#define PTRACE_GETREGS            12
-#define PTRACE_SETREGS            13
-#define PTRACE_GETFPREGS          14
-#define PTRACE_SETFPREGS          15
-
-#ifdef __KERNEL__
 
 #define user_mode(regs)			(((regs)->epsw & EPSW_nSL) == EPSW_nSL)
 #define instruction_pointer(regs)	((regs)->pc)
 #define user_stack_pointer(regs)	((regs)->sp)
+#define current_pt_regs()		current_frame()
 
 #define arch_has_single_step()	(1)
 
 #define profile_pc(regs) ((regs)->pc)
 
-#endif /* __KERNEL__  */
 #endif /* _ASM_PTRACE_H */
diff --git a/arch/mn10300/include/asm/setup.h b/arch/mn10300/include/asm/setup.h
index c229d1e3f99..fb024555d2a 100644
--- a/arch/mn10300/include/asm/setup.h
+++ b/arch/mn10300/include/asm/setup.h
@@ -11,8 +11,8 @@
 #ifndef _ASM_SETUP_H
 #define _ASM_SETUP_H
 
-#ifdef __KERNEL__
+#include <uapi/asm/setup.h>
+
 extern void __init unit_setup(void);
 extern void __init unit_init_IRQ(void);
-#endif
 #endif /* _ASM_SETUP_H */
diff --git a/arch/mn10300/include/asm/signal.h b/arch/mn10300/include/asm/signal.h
index 1865d72a86f..f9668ec3040 100644
--- a/arch/mn10300/include/asm/signal.h
+++ b/arch/mn10300/include/asm/signal.h
@@ -11,12 +11,8 @@
 #ifndef _ASM_SIGNAL_H
 #define _ASM_SIGNAL_H
 
-#include <linux/types.h>
+#include <uapi/asm/signal.h>
 
-/* Avoid too many header ordering problems.  */
-struct siginfo;
-
-#ifdef __KERNEL__
 /* Most things should be clean enough to redefine this at will, if care
    is taken to make libc match.  */
 
@@ -30,94 +26,6 @@ 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	0x00000001U
-#define SA_NOCLDWAIT	0x00000002U
-#define SA_SIGINFO	0x00000004U
-#define SA_ONSTACK	0x08000000U
-#define SA_RESTART	0x10000000U
-#define SA_NODEFER	0x40000000U
-#define SA_RESETHAND	0x80000000U
-
-#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;
@@ -135,37 +43,10 @@ struct sigaction {
 struct k_sigaction {
 	struct sigaction sa;
 };
-#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;
-	sigset_t sa_mask;
-	unsigned long sa_flags;
-	void (*sa_restorer)(void);
-};
-
-#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;
-
-#ifdef __KERNEL__
 #include <asm/sigcontext.h>
 
 
 struct pt_regs;
 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
 
-#endif /* __KERNEL__ */
-
 #endif /* _ASM_SIGNAL_H */
diff --git a/arch/mn10300/include/asm/termios.h b/arch/mn10300/include/asm/termios.h
index dd7cf617e11..c2e29c75dfa 100644
--- a/arch/mn10300/include/asm/termios.h
+++ b/arch/mn10300/include/asm/termios.h
@@ -1,27 +1,8 @@
 #ifndef _ASM_TERMIOS_H
 #define _ASM_TERMIOS_H
 
-#include <asm/termbits.h>
-#include <asm/ioctls.h>
+#include <uapi/asm/termios.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 */
-};
-
-#ifdef __KERNEL__
 /*	intr=^C		quit=^|		erase=del	kill=^U
 	eof=^D		vtime=\0	vmin=\1		sxtc=\0
 	start=^Q	stop=^S		susp=^Z		eol=\0
@@ -29,64 +10,4 @@ struct termio {
 	eol2=\0
 */
 #define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
-#endif
-
-/* 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
-
-#define TIOCM_MODEM_BITS       TIOCM_OUT2      /* IRDA support */
-
-/*
- * Translate a "termio" structure into a "termios". Ugh.
- */
-#define SET_LOW_TERMIOS_BITS(termios, termio, x) { \
-	unsigned short __tmp; \
-	get_user(__tmp, &(termio)->x); \
-	*(unsigned short *) &(termios)->x = __tmp; \
-}
-
-#define user_termio_to_kernel_termios(termios, termio) \
-({ \
-	SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \
-	SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \
-	SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \
-	SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \
-	copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
-})
-
-/*
- * Translate a "termios" structure into a "termio". Ugh.
- */
-#define kernel_termios_to_user_termio(termio, termios) \
-({ \
-	put_user((termios)->c_iflag, &(termio)->c_iflag); \
-	put_user((termios)->c_oflag, &(termio)->c_oflag); \
-	put_user((termios)->c_cflag, &(termio)->c_cflag); \
-	put_user((termios)->c_lflag, &(termio)->c_lflag); \
-	put_user((termios)->c_line,  &(termio)->c_line); \
-	copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
-})
-
-#define user_termios_to_kernel_termios(k, u) \
-	copy_from_user(k, u, sizeof(struct termios2))
-#define kernel_termios_to_user_termios(u, k) \
-	copy_to_user(u, k, sizeof(struct termios2))
-#define user_termios_to_kernel_termios_1(k, u) \
-	copy_from_user(k, u, sizeof(struct termios))
-#define kernel_termios_to_user_termios_1(u, k) \
-	copy_to_user(u, k, sizeof(struct termios))
-
 #endif	/* _ASM_TERMIOS_H */
diff --git a/arch/mn10300/include/asm/thread_info.h b/arch/mn10300/include/asm/thread_info.h
index ac519bbd42f..f90062b0622 100644
--- a/arch/mn10300/include/asm/thread_info.h
+++ b/arch/mn10300/include/asm/thread_info.h
@@ -160,12 +160,13 @@ void arch_release_thread_info(struct thread_info *ti);
 #define _TIF_SIGPENDING		+(1 << TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED	+(1 << TIF_NEED_RESCHED)
 #define _TIF_SINGLESTEP		+(1 << TIF_SINGLESTEP)
-#define _TIF_RESTORE_SIGMASK	+(1 << TIF_RESTORE_SIGMASK)
 #define _TIF_POLLING_NRFLAG	+(1 << TIF_POLLING_NRFLAG)
 
 #define _TIF_WORK_MASK		0x0000FFFE	/* work to do on interrupt/exception return */
 #define _TIF_ALLWORK_MASK	0x0000FFFF	/* work to do on any return to u-space */
 
+#define tsk_is_polling(t) test_tsk_thread_flag(t, TIF_POLLING_NRFLAG)
+
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_THREAD_INFO_H */
diff --git a/arch/mn10300/include/asm/types.h b/arch/mn10300/include/asm/types.h
index 713d4ba108a..3d6e48311be 100644
--- a/arch/mn10300/include/asm/types.h
+++ b/arch/mn10300/include/asm/types.h
@@ -11,15 +11,12 @@
 #ifndef _ASM_TYPES_H
 #define _ASM_TYPES_H
 
-#include <asm-generic/int-ll64.h>
+#include <uapi/asm/types.h>
 
 /*
  * These aren't exported outside the kernel to avoid name space clashes
  */
-#ifdef __KERNEL__
 
 #define BITS_PER_LONG 32
 
-#endif /* __KERNEL__ */
-
 #endif /* _ASM_TYPES_H */
diff --git a/arch/mn10300/include/asm/unistd.h b/arch/mn10300/include/asm/unistd.h
index 866eb14749d..55bbec1887e 100644
--- a/arch/mn10300/include/asm/unistd.h
+++ b/arch/mn10300/include/asm/unistd.h
@@ -11,347 +11,8 @@
 #ifndef _ASM_UNISTD_H
 #define _ASM_UNISTD_H
 
-#define __NR_restart_syscall      0
-#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_waitpid		  7
-#define __NR_creat		  8
-#define __NR_link		  9
-#define __NR_unlink		 10
-#define __NR_execve		 11
-#define __NR_chdir		 12
-#define __NR_time		 13
-#define __NR_mknod		 14
-#define __NR_chmod		 15
-#define __NR_lchown		 16
-#define __NR_break		 17
-#define __NR_oldstat		 18
-#define __NR_lseek		 19
-#define __NR_getpid		 20
-#define __NR_mount		 21
-#define __NR_umount		 22
-#define __NR_setuid		 23
-#define __NR_getuid		 24
-#define __NR_stime		 25
-#define __NR_ptrace		 26
-#define __NR_alarm		 27
-#define __NR_oldfstat		 28
-#define __NR_pause		 29
-#define __NR_utime		 30
-#define __NR_stty		 31
-#define __NR_gtty		 32
-#define __NR_access		 33
-#define __NR_nice		 34
-#define __NR_ftime		 35
-#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_prof		 44
-#define __NR_brk		 45
-#define __NR_setgid		 46
-#define __NR_getgid		 47
-#define __NR_signal		 48
-#define __NR_geteuid		 49
-#define __NR_getegid		 50
-#define __NR_acct		 51
-#define __NR_umount2		 52
-#define __NR_lock		 53
-#define __NR_ioctl		 54
-#define __NR_fcntl		 55
-#define __NR_mpx		 56
-#define __NR_setpgid		 57
-#define __NR_ulimit		 58
-#define __NR_oldolduname	 59
-#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_sgetmask		 68
-#define __NR_ssetmask		 69
-#define __NR_setreuid		 70
-#define __NR_setregid		 71
-#define __NR_sigsuspend		 72
-#define __NR_sigpending		 73
-#define __NR_sethostname	 74
-#define __NR_setrlimit		 75
-#define __NR_getrlimit		 76	/* Back compatible 2Gig limited rlimit */
-#define __NR_getrusage		 77
-#define __NR_gettimeofday	 78
-#define __NR_settimeofday	 79
-#define __NR_getgroups		 80
-#define __NR_setgroups		 81
-#define __NR_select		 82
-#define __NR_symlink		 83
-#define __NR_oldlstat		 84
-#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_fchown		 95
-#define __NR_getpriority	 96
-#define __NR_setpriority	 97
-#define __NR_profil		 98
-#define __NR_statfs		 99
-#define __NR_fstatfs		100
-#define __NR_ioperm		101
-#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_olduname		109
-#define __NR_iopl		110
-#define __NR_vhangup		111
-#define __NR_idle		112
-#define __NR_vm86old		113
-#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_modify_ldt		123
-#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_setfsuid		138
-#define __NR_setfsgid		139
-#define __NR__llseek		140
-#define __NR_getdents		141
-#define __NR__newselect		142
-#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_setresuid		164
-#define __NR_getresuid		165
-#define __NR_vm86		166
-#define __NR_query_module	167
-#define __NR_poll		168
-#define __NR_nfsservctl		169
-#define __NR_setresgid		170
-#define __NR_getresgid		171
-#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_chown		182
-#define __NR_getcwd		183
-#define __NR_capget		184
-#define __NR_capset		185
-#define __NR_sigaltstack	186
-#define __NR_sendfile		187
-#define __NR_getpmsg		188	/* some people actually want streams */
-#define __NR_putpmsg		189	/* some people actually want streams */
-#define __NR_vfork		190
-#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_pivot_root		217
-#define __NR_mincore		218
-#define __NR_madvise		219
-#define __NR_madvise1		219	/* delete when C lib stub is removed */
-#define __NR_getdents64		220
-#define __NR_fcntl64		221
-/* 223 is unused */
-#define __NR_gettid		224
-#define __NR_readahead		225
-#define __NR_setxattr		226
-#define __NR_lsetxattr		227
-#define __NR_fsetxattr		228
-#define __NR_getxattr		229
-#define __NR_lgetxattr		230
-#define __NR_fgetxattr		231
-#define __NR_listxattr		232
-#define __NR_llistxattr		233
-#define __NR_flistxattr		234
-#define __NR_removexattr	235
-#define __NR_lremovexattr	236
-#define __NR_fremovexattr	237
-#define __NR_tkill		238
-#define __NR_sendfile64		239
-#define __NR_futex		240
-#define __NR_sched_setaffinity	241
-#define __NR_sched_getaffinity	242
-#define __NR_set_thread_area	243
-#define __NR_get_thread_area	244
-#define __NR_io_setup		245
-#define __NR_io_destroy		246
-#define __NR_io_getevents	247
-#define __NR_io_submit		248
-#define __NR_io_cancel		249
-#define __NR_fadvise64		250
+#include <uapi/asm/unistd.h>
 
-#define __NR_exit_group		252
-#define __NR_lookup_dcookie	253
-#define __NR_epoll_create	254
-#define __NR_epoll_ctl		255
-#define __NR_epoll_wait		256
-#define __NR_remap_file_pages	257
-#define __NR_set_tid_address	258
-#define __NR_timer_create	259
-#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)
-#define __NR_statfs64		268
-#define __NR_fstatfs64		269
-#define __NR_tgkill		270
-#define __NR_utimes		271
-#define __NR_fadvise64_64	272
-#define __NR_vserver		273
-#define __NR_mbind		274
-#define __NR_get_mempolicy	275
-#define __NR_set_mempolicy	276
-#define __NR_mq_open 		277
-#define __NR_mq_unlink		(__NR_mq_open+1)
-#define __NR_mq_timedsend	(__NR_mq_open+2)
-#define __NR_mq_timedreceive	(__NR_mq_open+3)
-#define __NR_mq_notify		(__NR_mq_open+4)
-#define __NR_mq_getsetattr	(__NR_mq_open+5)
-#define __NR_kexec_load		283
-#define __NR_waitid		284
-#define __NR_add_key		286
-#define __NR_request_key	287
-#define __NR_keyctl		288
-#define __NR_cacheflush		289
-#define __NR_ioprio_set		290
-#define __NR_ioprio_get		291
-#define __NR_inotify_init	292
-#define __NR_inotify_add_watch	293
-#define __NR_inotify_rm_watch	294
-#define __NR_migrate_pages	295
-#define __NR_openat		296
-#define __NR_mkdirat		297
-#define __NR_mknodat		298
-#define __NR_fchownat		299
-#define __NR_futimesat		300
-#define __NR_fstatat64		301
-#define __NR_unlinkat		302
-#define __NR_renameat		303
-#define __NR_linkat		304
-#define __NR_symlinkat		305
-#define __NR_readlinkat		306
-#define __NR_fchmodat		307
-#define __NR_faccessat		308
-#define __NR_pselect6		309
-#define __NR_ppoll		310
-#define __NR_unshare		311
-#define __NR_set_robust_list	312
-#define __NR_get_robust_list	313
-#define __NR_splice		314
-#define __NR_sync_file_range	315
-#define __NR_tee		316
-#define __NR_vmsplice		317
-#define __NR_move_pages		318
-#define __NR_getcpu		319
-#define __NR_epoll_pwait	320
-#define __NR_utimensat		321
-#define __NR_signalfd		322
-#define __NR_timerfd_create	323
-#define __NR_eventfd		324
-#define __NR_fallocate		325
-#define __NR_timerfd_settime	326
-#define __NR_timerfd_gettime	327
-#define __NR_signalfd4		328
-#define __NR_eventfd2		329
-#define __NR_epoll_create1	330
-#define __NR_dup3		331
-#define __NR_pipe2		332
-#define __NR_inotify_init1	333
-#define __NR_preadv		334
-#define __NR_pwritev		335
-#define __NR_rt_tgsigqueueinfo	336
-#define __NR_perf_event_open	337
-#define __NR_recvmmsg		338
-#define __NR_setns		339
-
-#ifdef __KERNEL__
 
 #define NR_syscalls 340
 
@@ -382,6 +43,8 @@
 #define __ARCH_WANT_SYS_SIGPROCMASK
 #define __ARCH_WANT_SYS_RT_SIGACTION
 #define __ARCH_WANT_SYS_RT_SIGSUSPEND
+#define __ARCH_WANT_SYS_EXECVE
+#define __ARCH_WANT_KERNEL_EXECVE
 
 /*
  * "Conditional" syscalls
@@ -393,5 +56,4 @@
 #define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall");
 #endif
 
-#endif /* __KERNEL__ */
 #endif /* _ASM_UNISTD_H */
diff --git a/arch/mn10300/include/uapi/asm/Kbuild b/arch/mn10300/include/uapi/asm/Kbuild
new file mode 100644
index 00000000000..040178cdb3e
--- /dev/null
+++ b/arch/mn10300/include/uapi/asm/Kbuild
@@ -0,0 +1,34 @@
+# 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 += errno.h
+header-y += fcntl.h
+header-y += ioctl.h
+header-y += ioctls.h
+header-y += ipcbuf.h
+header-y += kvm_para.h
+header-y += mman.h
+header-y += msgbuf.h
+header-y += param.h
+header-y += poll.h
+header-y += posix_types.h
+header-y += ptrace.h
+header-y += resource.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 += termbits.h
+header-y += termios.h
+header-y += types.h
+header-y += unistd.h
diff --git a/arch/mn10300/include/asm/auxvec.h b/arch/mn10300/include/uapi/asm/auxvec.h
index 4fdb60b2ae3..4fdb60b2ae3 100644
--- a/arch/mn10300/include/asm/auxvec.h
+++ b/arch/mn10300/include/uapi/asm/auxvec.h
diff --git a/arch/mn10300/include/asm/bitsperlong.h b/arch/mn10300/include/uapi/asm/bitsperlong.h
index 6dc0bb0c13b..6dc0bb0c13b 100644
--- a/arch/mn10300/include/asm/bitsperlong.h
+++ b/arch/mn10300/include/uapi/asm/bitsperlong.h
diff --git a/arch/mn10300/include/asm/byteorder.h b/arch/mn10300/include/uapi/asm/byteorder.h
index 5dd0bdd9fee..5dd0bdd9fee 100644
--- a/arch/mn10300/include/asm/byteorder.h
+++ b/arch/mn10300/include/uapi/asm/byteorder.h
diff --git a/arch/mn10300/include/asm/errno.h b/arch/mn10300/include/uapi/asm/errno.h
index 4c82b503d92..4c82b503d92 100644
--- a/arch/mn10300/include/asm/errno.h
+++ b/arch/mn10300/include/uapi/asm/errno.h
diff --git a/arch/mn10300/include/asm/fcntl.h b/arch/mn10300/include/uapi/asm/fcntl.h
index 46ab12db573..46ab12db573 100644
--- a/arch/mn10300/include/asm/fcntl.h
+++ b/arch/mn10300/include/uapi/asm/fcntl.h
diff --git a/arch/mn10300/include/asm/ioctl.h b/arch/mn10300/include/uapi/asm/ioctl.h
index b279fe06dfe..b279fe06dfe 100644
--- a/arch/mn10300/include/asm/ioctl.h
+++ b/arch/mn10300/include/uapi/asm/ioctl.h
diff --git a/arch/mn10300/include/asm/ioctls.h b/arch/mn10300/include/uapi/asm/ioctls.h
index 0212f4b2255..0212f4b2255 100644
--- a/arch/mn10300/include/asm/ioctls.h
+++ b/arch/mn10300/include/uapi/asm/ioctls.h
diff --git a/arch/mn10300/include/asm/ipcbuf.h b/arch/mn10300/include/uapi/asm/ipcbuf.h
index 84c7e51cb6d..84c7e51cb6d 100644
--- a/arch/mn10300/include/asm/ipcbuf.h
+++ b/arch/mn10300/include/uapi/asm/ipcbuf.h
diff --git a/arch/mn10300/include/asm/kvm_para.h b/arch/mn10300/include/uapi/asm/kvm_para.h
index 14fab8f0b95..14fab8f0b95 100644
--- a/arch/mn10300/include/asm/kvm_para.h
+++ b/arch/mn10300/include/uapi/asm/kvm_para.h
diff --git a/arch/mn10300/include/asm/mman.h b/arch/mn10300/include/uapi/asm/mman.h
index db5c53da73c..db5c53da73c 100644
--- a/arch/mn10300/include/asm/mman.h
+++ b/arch/mn10300/include/uapi/asm/mman.h
diff --git a/arch/mn10300/include/asm/msgbuf.h b/arch/mn10300/include/uapi/asm/msgbuf.h
index 8b602450cc4..8b602450cc4 100644
--- a/arch/mn10300/include/asm/msgbuf.h
+++ b/arch/mn10300/include/uapi/asm/msgbuf.h
diff --git a/arch/mn10300/include/asm/param.h b/arch/mn10300/include/uapi/asm/param.h
index 02a0ca6f13c..02a0ca6f13c 100644
--- a/arch/mn10300/include/asm/param.h
+++ b/arch/mn10300/include/uapi/asm/param.h
diff --git a/arch/mn10300/include/asm/poll.h b/arch/mn10300/include/uapi/asm/poll.h
index c98509d3149..c98509d3149 100644
--- a/arch/mn10300/include/asm/poll.h
+++ b/arch/mn10300/include/uapi/asm/poll.h
diff --git a/arch/mn10300/include/asm/posix_types.h b/arch/mn10300/include/uapi/asm/posix_types.h
index d31eeea480c..d31eeea480c 100644
--- a/arch/mn10300/include/asm/posix_types.h
+++ b/arch/mn10300/include/uapi/asm/posix_types.h
diff --git a/arch/mn10300/include/uapi/asm/ptrace.h b/arch/mn10300/include/uapi/asm/ptrace.h
new file mode 100644
index 00000000000..71b2251b7bf
--- /dev/null
+++ b/arch/mn10300/include/uapi/asm/ptrace.h
@@ -0,0 +1,84 @@
+/* MN10300 Exception frame layout and ptrace constants
+ *
+ * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+#ifndef _UAPI_ASM_PTRACE_H
+#define _UAPI_ASM_PTRACE_H
+
+#define PT_A3		0
+#define PT_A2		1
+#define PT_D3		2
+#define	PT_D2		3
+#define PT_MCVF		4
+#define	PT_MCRL		5
+#define PT_MCRH		6
+#define	PT_MDRQ		7
+#define	PT_E1		8
+#define	PT_E0		9
+#define	PT_E7		10
+#define	PT_E6		11
+#define	PT_E5		12
+#define	PT_E4		13
+#define	PT_E3		14
+#define	PT_E2		15
+#define	PT_SP		16
+#define	PT_LAR		17
+#define	PT_LIR		18
+#define	PT_MDR		19
+#define	PT_A1		20
+#define	PT_A0		21
+#define	PT_D1		22
+#define	PT_D0		23
+#define PT_ORIG_D0	24
+#define	PT_EPSW		25
+#define	PT_PC		26
+#define NR_PTREGS	27
+
+/*
+ * This defines the way registers are stored in the event of an exception
+ * - the strange order is due to the MOVM instruction
+ */
+struct pt_regs {
+	unsigned long		a3;		/* syscall arg 3 */
+	unsigned long		a2;		/* syscall arg 4 */
+	unsigned long		d3;		/* syscall arg 5 */
+	unsigned long		d2;		/* syscall arg 6 */
+	unsigned long		mcvf;
+	unsigned long		mcrl;
+	unsigned long		mcrh;
+	unsigned long		mdrq;
+	unsigned long		e1;
+	unsigned long		e0;
+	unsigned long		e7;
+	unsigned long		e6;
+	unsigned long		e5;
+	unsigned long		e4;
+	unsigned long		e3;
+	unsigned long		e2;
+	unsigned long		sp;
+	unsigned long		lar;
+	unsigned long		lir;
+	unsigned long		mdr;
+	unsigned long		a1;
+	unsigned long		a0;		/* syscall arg 1 */
+	unsigned long		d1;		/* syscall arg 2 */
+	unsigned long		d0;		/* syscall ret */
+	struct pt_regs		*next;		/* next frame pointer */
+	unsigned long		orig_d0;	/* syscall number */
+	unsigned long		epsw;
+	unsigned long		pc;
+};
+
+/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
+#define PTRACE_GETREGS            12
+#define PTRACE_SETREGS            13
+#define PTRACE_GETFPREGS          14
+#define PTRACE_SETFPREGS          15
+
+#endif /* _UAPI_ASM_PTRACE_H */
diff --git a/arch/mn10300/include/asm/resource.h b/arch/mn10300/include/uapi/asm/resource.h
index 04bc4db8921..04bc4db8921 100644
--- a/arch/mn10300/include/asm/resource.h
+++ b/arch/mn10300/include/uapi/asm/resource.h
diff --git a/arch/mn10300/include/asm/sembuf.h b/arch/mn10300/include/uapi/asm/sembuf.h
index 301f3f9d8aa..301f3f9d8aa 100644
--- a/arch/mn10300/include/asm/sembuf.h
+++ b/arch/mn10300/include/uapi/asm/sembuf.h
diff --git a/arch/mn10300/include/uapi/asm/setup.h b/arch/mn10300/include/uapi/asm/setup.h
new file mode 100644
index 00000000000..e69de29bb2d
--- /dev/null
+++ b/arch/mn10300/include/uapi/asm/setup.h
diff --git a/arch/mn10300/include/asm/shmbuf.h b/arch/mn10300/include/uapi/asm/shmbuf.h
index 8f300cc35d6..8f300cc35d6 100644
--- a/arch/mn10300/include/asm/shmbuf.h
+++ b/arch/mn10300/include/uapi/asm/shmbuf.h
diff --git a/arch/mn10300/include/asm/sigcontext.h b/arch/mn10300/include/uapi/asm/sigcontext.h
index 4de3afff4ad..4de3afff4ad 100644
--- a/arch/mn10300/include/asm/sigcontext.h
+++ b/arch/mn10300/include/uapi/asm/sigcontext.h
diff --git a/arch/mn10300/include/asm/siginfo.h b/arch/mn10300/include/uapi/asm/siginfo.h
index 0815d29d82e..0815d29d82e 100644
--- a/arch/mn10300/include/asm/siginfo.h
+++ b/arch/mn10300/include/uapi/asm/siginfo.h
diff --git a/arch/mn10300/include/uapi/asm/signal.h b/arch/mn10300/include/uapi/asm/signal.h
new file mode 100644
index 00000000000..08dcd6a8561
--- /dev/null
+++ b/arch/mn10300/include/uapi/asm/signal.h
@@ -0,0 +1,131 @@
+/* MN10300 Signal definitions
+ *
+ * Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd.
+ * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+#ifndef _UAPI_ASM_SIGNAL_H
+#define _UAPI_ASM_SIGNAL_H
+
+#include <linux/types.h>
+
+/* Avoid too many header ordering problems.  */
+struct siginfo;
+
+#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	0x00000001U
+#define SA_NOCLDWAIT	0x00000002U
+#define SA_SIGINFO	0x00000004U
+#define SA_ONSTACK	0x08000000U
+#define SA_RESTART	0x10000000U
+#define SA_NODEFER	0x40000000U
+#define SA_RESETHAND	0x80000000U
+
+#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;
+	sigset_t sa_mask;
+	unsigned long sa_flags;
+	void (*sa_restorer)(void);
+};
+
+#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_ASM_SIGNAL_H */
diff --git a/arch/mn10300/include/asm/socket.h b/arch/mn10300/include/uapi/asm/socket.h
index 820463a484b..820463a484b 100644
--- a/arch/mn10300/include/asm/socket.h
+++ b/arch/mn10300/include/uapi/asm/socket.h
diff --git a/arch/mn10300/include/asm/sockios.h b/arch/mn10300/include/uapi/asm/sockios.h
index b03043a1c56..b03043a1c56 100644
--- a/arch/mn10300/include/asm/sockios.h
+++ b/arch/mn10300/include/uapi/asm/sockios.h
diff --git a/arch/mn10300/include/asm/stat.h b/arch/mn10300/include/uapi/asm/stat.h
index 63ff8371cf2..63ff8371cf2 100644
--- a/arch/mn10300/include/asm/stat.h
+++ b/arch/mn10300/include/uapi/asm/stat.h
diff --git a/arch/mn10300/include/asm/statfs.h b/arch/mn10300/include/uapi/asm/statfs.h
index 0b91fe198c2..0b91fe198c2 100644
--- a/arch/mn10300/include/asm/statfs.h
+++ b/arch/mn10300/include/uapi/asm/statfs.h
diff --git a/arch/mn10300/include/asm/swab.h b/arch/mn10300/include/uapi/asm/swab.h
index bd818a820ca..bd818a820ca 100644
--- a/arch/mn10300/include/asm/swab.h
+++ b/arch/mn10300/include/uapi/asm/swab.h
diff --git a/arch/mn10300/include/asm/termbits.h b/arch/mn10300/include/uapi/asm/termbits.h
index 130d4249597..130d4249597 100644
--- a/arch/mn10300/include/asm/termbits.h
+++ b/arch/mn10300/include/uapi/asm/termbits.h
diff --git a/arch/mn10300/include/uapi/asm/termios.h b/arch/mn10300/include/uapi/asm/termios.h
new file mode 100644
index 00000000000..11d3cc9d316
--- /dev/null
+++ b/arch/mn10300/include/uapi/asm/termios.h
@@ -0,0 +1,83 @@
+#ifndef _UAPI_ASM_TERMIOS_H
+#define _UAPI_ASM_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
+
+#define TIOCM_MODEM_BITS       TIOCM_OUT2      /* IRDA support */
+
+/*
+ * Translate a "termio" structure into a "termios". Ugh.
+ */
+#define SET_LOW_TERMIOS_BITS(termios, termio, x) { \
+	unsigned short __tmp; \
+	get_user(__tmp, &(termio)->x); \
+	*(unsigned short *) &(termios)->x = __tmp; \
+}
+
+#define user_termio_to_kernel_termios(termios, termio) \
+({ \
+	SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \
+	SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \
+	SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \
+	SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \
+	copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
+})
+
+/*
+ * Translate a "termios" structure into a "termio". Ugh.
+ */
+#define kernel_termios_to_user_termio(termio, termios) \
+({ \
+	put_user((termios)->c_iflag, &(termio)->c_iflag); \
+	put_user((termios)->c_oflag, &(termio)->c_oflag); \
+	put_user((termios)->c_cflag, &(termio)->c_cflag); \
+	put_user((termios)->c_lflag, &(termio)->c_lflag); \
+	put_user((termios)->c_line,  &(termio)->c_line); \
+	copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
+})
+
+#define user_termios_to_kernel_termios(k, u) \
+	copy_from_user(k, u, sizeof(struct termios2))
+#define kernel_termios_to_user_termios(u, k) \
+	copy_to_user(u, k, sizeof(struct termios2))
+#define user_termios_to_kernel_termios_1(k, u) \
+	copy_from_user(k, u, sizeof(struct termios))
+#define kernel_termios_to_user_termios_1(u, k) \
+	copy_to_user(u, k, sizeof(struct termios))
+
+#endif /* _UAPI_ASM_TERMIOS_H */
diff --git a/arch/mn10300/include/asm/exec.h b/arch/mn10300/include/uapi/asm/types.h
index c74e367f4b9..8b3f0501b9b 100644
--- a/arch/mn10300/include/asm/exec.h
+++ b/arch/mn10300/include/uapi/asm/types.h
@@ -1,16 +1,11 @@
-/* MN10300 process execution definitions
+/* MN10300 Basic type definitions
  *
+ * Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd.
  * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public Licence
  * as published by the Free Software Foundation; either version
  * 2 of the Licence, or (at your option) any later version.
  */
-#ifndef _ASM_EXEC_H
-#define _ASM_EXEC_H
-
-#define arch_align_stack(x) (x)
-
-#endif /* _ASM_EXEC_H */
+#include <asm-generic/int-ll64.h>
diff --git a/arch/mn10300/include/uapi/asm/unistd.h b/arch/mn10300/include/uapi/asm/unistd.h
new file mode 100644
index 00000000000..e28ac3f4247
--- /dev/null
+++ b/arch/mn10300/include/uapi/asm/unistd.h
@@ -0,0 +1,354 @@
+/* MN10300 System call number list
+ *
+ * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+#ifndef _UAPI_ASM_UNISTD_H
+#define _UAPI_ASM_UNISTD_H
+
+#define __NR_restart_syscall      0
+#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_waitpid		  7
+#define __NR_creat		  8
+#define __NR_link		  9
+#define __NR_unlink		 10
+#define __NR_execve		 11
+#define __NR_chdir		 12
+#define __NR_time		 13
+#define __NR_mknod		 14
+#define __NR_chmod		 15
+#define __NR_lchown		 16
+#define __NR_break		 17
+#define __NR_oldstat		 18
+#define __NR_lseek		 19
+#define __NR_getpid		 20
+#define __NR_mount		 21
+#define __NR_umount		 22
+#define __NR_setuid		 23
+#define __NR_getuid		 24
+#define __NR_stime		 25
+#define __NR_ptrace		 26
+#define __NR_alarm		 27
+#define __NR_oldfstat		 28
+#define __NR_pause		 29
+#define __NR_utime		 30
+#define __NR_stty		 31
+#define __NR_gtty		 32
+#define __NR_access		 33
+#define __NR_nice		 34
+#define __NR_ftime		 35
+#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_prof		 44
+#define __NR_brk		 45
+#define __NR_setgid		 46
+#define __NR_getgid		 47
+#define __NR_signal		 48
+#define __NR_geteuid		 49
+#define __NR_getegid		 50
+#define __NR_acct		 51
+#define __NR_umount2		 52
+#define __NR_lock		 53
+#define __NR_ioctl		 54
+#define __NR_fcntl		 55
+#define __NR_mpx		 56
+#define __NR_setpgid		 57
+#define __NR_ulimit		 58
+#define __NR_oldolduname	 59
+#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_sgetmask		 68
+#define __NR_ssetmask		 69
+#define __NR_setreuid		 70
+#define __NR_setregid		 71
+#define __NR_sigsuspend		 72
+#define __NR_sigpending		 73
+#define __NR_sethostname	 74
+#define __NR_setrlimit		 75
+#define __NR_getrlimit		 76	/* Back compatible 2Gig limited rlimit */
+#define __NR_getrusage		 77
+#define __NR_gettimeofday	 78
+#define __NR_settimeofday	 79
+#define __NR_getgroups		 80
+#define __NR_setgroups		 81
+#define __NR_select		 82
+#define __NR_symlink		 83
+#define __NR_oldlstat		 84
+#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_fchown		 95
+#define __NR_getpriority	 96
+#define __NR_setpriority	 97
+#define __NR_profil		 98
+#define __NR_statfs		 99
+#define __NR_fstatfs		100
+#define __NR_ioperm		101
+#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_olduname		109
+#define __NR_iopl		110
+#define __NR_vhangup		111
+#define __NR_idle		112
+#define __NR_vm86old		113
+#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_modify_ldt		123
+#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_setfsuid		138
+#define __NR_setfsgid		139
+#define __NR__llseek		140
+#define __NR_getdents		141
+#define __NR__newselect		142
+#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_setresuid		164
+#define __NR_getresuid		165
+#define __NR_vm86		166
+#define __NR_query_module	167
+#define __NR_poll		168
+#define __NR_nfsservctl		169
+#define __NR_setresgid		170
+#define __NR_getresgid		171
+#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_chown		182
+#define __NR_getcwd		183
+#define __NR_capget		184
+#define __NR_capset		185
+#define __NR_sigaltstack	186
+#define __NR_sendfile		187
+#define __NR_getpmsg		188	/* some people actually want streams */
+#define __NR_putpmsg		189	/* some people actually want streams */
+#define __NR_vfork		190
+#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_pivot_root		217
+#define __NR_mincore		218
+#define __NR_madvise		219
+#define __NR_madvise1		219	/* delete when C lib stub is removed */
+#define __NR_getdents64		220
+#define __NR_fcntl64		221
+/* 223 is unused */
+#define __NR_gettid		224
+#define __NR_readahead		225
+#define __NR_setxattr		226
+#define __NR_lsetxattr		227
+#define __NR_fsetxattr		228
+#define __NR_getxattr		229
+#define __NR_lgetxattr		230
+#define __NR_fgetxattr		231
+#define __NR_listxattr		232
+#define __NR_llistxattr		233
+#define __NR_flistxattr		234
+#define __NR_removexattr	235
+#define __NR_lremovexattr	236
+#define __NR_fremovexattr	237
+#define __NR_tkill		238
+#define __NR_sendfile64		239
+#define __NR_futex		240
+#define __NR_sched_setaffinity	241
+#define __NR_sched_getaffinity	242
+#define __NR_set_thread_area	243
+#define __NR_get_thread_area	244
+#define __NR_io_setup		245
+#define __NR_io_destroy		246
+#define __NR_io_getevents	247
+#define __NR_io_submit		248
+#define __NR_io_cancel		249
+#define __NR_fadvise64		250
+
+#define __NR_exit_group		252
+#define __NR_lookup_dcookie	253
+#define __NR_epoll_create	254
+#define __NR_epoll_ctl		255
+#define __NR_epoll_wait		256
+#define __NR_remap_file_pages	257
+#define __NR_set_tid_address	258
+#define __NR_timer_create	259
+#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)
+#define __NR_statfs64		268
+#define __NR_fstatfs64		269
+#define __NR_tgkill		270
+#define __NR_utimes		271
+#define __NR_fadvise64_64	272
+#define __NR_vserver		273
+#define __NR_mbind		274
+#define __NR_get_mempolicy	275
+#define __NR_set_mempolicy	276
+#define __NR_mq_open 		277
+#define __NR_mq_unlink		(__NR_mq_open+1)
+#define __NR_mq_timedsend	(__NR_mq_open+2)
+#define __NR_mq_timedreceive	(__NR_mq_open+3)
+#define __NR_mq_notify		(__NR_mq_open+4)
+#define __NR_mq_getsetattr	(__NR_mq_open+5)
+#define __NR_kexec_load		283
+#define __NR_waitid		284
+#define __NR_add_key		286
+#define __NR_request_key	287
+#define __NR_keyctl		288
+#define __NR_cacheflush		289
+#define __NR_ioprio_set		290
+#define __NR_ioprio_get		291
+#define __NR_inotify_init	292
+#define __NR_inotify_add_watch	293
+#define __NR_inotify_rm_watch	294
+#define __NR_migrate_pages	295
+#define __NR_openat		296
+#define __NR_mkdirat		297
+#define __NR_mknodat		298
+#define __NR_fchownat		299
+#define __NR_futimesat		300
+#define __NR_fstatat64		301
+#define __NR_unlinkat		302
+#define __NR_renameat		303
+#define __NR_linkat		304
+#define __NR_symlinkat		305
+#define __NR_readlinkat		306
+#define __NR_fchmodat		307
+#define __NR_faccessat		308
+#define __NR_pselect6		309
+#define __NR_ppoll		310
+#define __NR_unshare		311
+#define __NR_set_robust_list	312
+#define __NR_get_robust_list	313
+#define __NR_splice		314
+#define __NR_sync_file_range	315
+#define __NR_tee		316
+#define __NR_vmsplice		317
+#define __NR_move_pages		318
+#define __NR_getcpu		319
+#define __NR_epoll_pwait	320
+#define __NR_utimensat		321
+#define __NR_signalfd		322
+#define __NR_timerfd_create	323
+#define __NR_eventfd		324
+#define __NR_fallocate		325
+#define __NR_timerfd_settime	326
+#define __NR_timerfd_gettime	327
+#define __NR_signalfd4		328
+#define __NR_eventfd2		329
+#define __NR_epoll_create1	330
+#define __NR_dup3		331
+#define __NR_pipe2		332
+#define __NR_inotify_init1	333
+#define __NR_preadv		334
+#define __NR_pwritev		335
+#define __NR_rt_tgsigqueueinfo	336
+#define __NR_perf_event_open	337
+#define __NR_recvmmsg		338
+#define __NR_setns		339
+
+#endif /* _UAPI_ASM_UNISTD_H */
diff --git a/arch/mn10300/kernel/Makefile b/arch/mn10300/kernel/Makefile
index d06749173d6..561029f7fa4 100644
--- a/arch/mn10300/kernel/Makefile
+++ b/arch/mn10300/kernel/Makefile
@@ -7,8 +7,8 @@ fpu-obj-y := fpu-nofpu.o fpu-nofpu-low.o
 fpu-obj-$(CONFIG_FPU) := fpu.o fpu-low.o
 
 obj-y   := process.o signal.o entry.o traps.o irq.o \
-	   ptrace.o setup.o time.o sys_mn10300.o io.o kthread.o \
-	   switch_to.o mn10300_ksyms.o kernel_execve.o $(fpu-obj-y) \
+	   ptrace.o setup.o time.o sys_mn10300.o io.o \
+	   switch_to.o mn10300_ksyms.o $(fpu-obj-y) \
 	   csrc-mn10300.o cevt-mn10300.o
 
 obj-$(CONFIG_SMP) += smp.o smp-low.o
diff --git a/arch/mn10300/kernel/entry.S b/arch/mn10300/kernel/entry.S
index 8e11f9f4899..0c631d34c8d 100644
--- a/arch/mn10300/kernel/entry.S
+++ b/arch/mn10300/kernel/entry.S
@@ -55,6 +55,20 @@ ENTRY(ret_from_fork)
 	mov	d0,(REG_D0,fp)
 	jmp	syscall_exit
 
+ENTRY(ret_from_kernel_thread)
+	call	schedule_tail[],0
+	mov	(REG_D0,fp),d0
+	mov	(REG_A0,fp),a0
+	calls	(a0)
+	jmp	sys_exit
+
+ENTRY(ret_from_kernel_execve)
+	add	-12,d0	/* pt_regs -> frame */
+	mov	d0,sp
+	GET_THREAD_INFO a2
+	clr	d0
+	jmp	syscall_exit
+
 ###############################################################################
 #
 # system call handler
@@ -94,6 +108,10 @@ restore_all:
 ###############################################################################
 	ALIGN
 syscall_exit_work:
+	mov	(REG_EPSW,fp),d0
+	and	EPSW_nSL,d0
+	beq	resume_kernel		# returning to supervisor mode
+
 	btst	_TIF_SYSCALL_TRACE,d2
 	beq	work_pending
 	LOCAL_IRQ_ENABLE		# could let syscall_trace_exit() call
diff --git a/arch/mn10300/kernel/internal.h b/arch/mn10300/kernel/internal.h
index 2df440105a8..561785581f6 100644
--- a/arch/mn10300/kernel/internal.h
+++ b/arch/mn10300/kernel/internal.h
@@ -15,14 +15,10 @@ struct clocksource;
 struct clock_event_device;
 
 /*
- * kthread.S
- */
-extern int kernel_thread_helper(int);
-
-/*
  * entry.S
  */
 extern void ret_from_fork(struct task_struct *) __attribute__((noreturn));
+extern void ret_from_kernel_thread(struct task_struct *) __attribute__((noreturn));
 
 /*
  * smp-low.S
diff --git a/arch/mn10300/kernel/kernel_execve.S b/arch/mn10300/kernel/kernel_execve.S
deleted file mode 100644
index 86039f10526..00000000000
--- a/arch/mn10300/kernel/kernel_execve.S
+++ /dev/null
@@ -1,37 +0,0 @@
-/* MN10300 In-kernel program execution
- *
- * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-#include <linux/linkage.h>
-#include <asm/unistd.h>
-
-###############################################################################
-#
-# Do a system call from kernel instead of calling sys_execve so we end up with
-# proper pt_regs.
-#
-# int kernel_execve(const char *filename, char *const argv[],
-#		    char *const envp[])
-#
-# On entry: D0/D1/8(SP): arguments to function
-# On return: D0: syscall return.
-#
-###############################################################################
-	.globl		kernel_execve
-	.type		kernel_execve,@function
-kernel_execve:
-	mov		a3,a1
-	mov		d0,a0
-	mov		(12,sp),a3
-	mov		+__NR_execve,d0
-	syscall		0
-	mov		a1,a3
-	rets
-
-	.size		kernel_execve,.-kernel_execve
diff --git a/arch/mn10300/kernel/kthread.S b/arch/mn10300/kernel/kthread.S
deleted file mode 100644
index b5ae467ac5e..00000000000
--- a/arch/mn10300/kernel/kthread.S
+++ /dev/null
@@ -1,31 +0,0 @@
-/* MN10300 Kernel thread trampoline function
- *
- * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
- * Written by Mark Salter (msalter@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-	.text
-
-###############################################################################
-#
-# kernel_thread_helper - trampoline for kernel_thread()
-#
-# On entry:
-#   A2 = address of function to call
-#   D2 = function argument
-#
-###############################################################################
-	.globl	kernel_thread_helper
-	.type	kernel_thread_helper,@function
-kernel_thread_helper:
-	mov	do_exit,d1
-	mov	d1,(sp)
-	mov	d1,mdr
-	mov	d2,d0
-	jmp	(a2)
-
-	.size	kernel_thread_helper,.-kernel_thread_helper
diff --git a/arch/mn10300/kernel/process.c b/arch/mn10300/kernel/process.c
index 7dab0cd3646..d0c671b6d9f 100644
--- a/arch/mn10300/kernel/process.c
+++ b/arch/mn10300/kernel/process.c
@@ -25,6 +25,7 @@
 #include <linux/err.h>
 #include <linux/fs.h>
 #include <linux/slab.h>
+#include <linux/rcupdate.h>
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
 #include <asm/io.h>
@@ -107,6 +108,7 @@ void cpu_idle(void)
 {
 	/* endless idle loop with no priority at all */
 	for (;;) {
+		rcu_idle_enter();
 		while (!need_resched()) {
 			void (*idle)(void);
 
@@ -121,6 +123,7 @@ void cpu_idle(void)
 			}
 			idle();
 		}
+		rcu_idle_exit();
 
 		schedule_preempt_disabled();
 	}
@@ -162,27 +165,6 @@ void show_regs(struct pt_regs *regs)
 }
 
 /*
- * create a kernel thread
- */
-int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags)
-{
-	struct pt_regs regs;
-
-	memset(&regs, 0, sizeof(regs));
-
-	regs.a2 = (unsigned long) fn;
-	regs.d2 = (unsigned long) arg;
-	regs.pc = (unsigned long) kernel_thread_helper;
-	local_save_flags(regs.epsw);
-	regs.epsw |= EPSW_IE | EPSW_IM_7;
-
-	/* 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..
  */
 void exit_thread(void)
@@ -227,50 +209,42 @@ int copy_thread(unsigned long clone_flags,
 		struct task_struct *p, struct pt_regs *kregs)
 {
 	struct thread_info *ti = task_thread_info(p);
-	struct pt_regs *c_uregs, *c_kregs, *uregs;
+	struct pt_regs *c_regs;
 	unsigned long c_ksp;
 
-	uregs = current->thread.uregs;
-
 	c_ksp = (unsigned long) task_stack_page(p) + THREAD_SIZE;
 
 	/* allocate the userspace exception frame and set it up */
 	c_ksp -= sizeof(struct pt_regs);
-	c_uregs = (struct pt_regs *) c_ksp;
+	c_regs = (struct pt_regs *) c_ksp;
+	c_ksp -= 12; /* allocate function call ABI slack */
 
-	p->thread.uregs = c_uregs;
-	*c_uregs = *uregs;
-	c_uregs->sp = c_usp;
-	c_uregs->epsw &= ~EPSW_FE; /* my FPU */
+	/* set up things up so the scheduler can start the new task */
+	p->thread.uregs = c_regs;
+	ti->frame	= c_regs;
+	p->thread.a3	= (unsigned long) c_regs;
+	p->thread.sp	= c_ksp;
+	p->thread.wchan	= p->thread.pc;
+	p->thread.usp	= c_usp;
 
-	c_ksp -= 12; /* allocate function call ABI slack */
+	if (unlikely(!kregs)) {
+		memset(c_regs, 0, sizeof(struct pt_regs));
+		c_regs->a0 = c_usp; /* function */
+		c_regs->d0 = ustk_size; /* argument */
+		local_save_flags(c_regs->epsw);
+		c_regs->epsw |= EPSW_IE | EPSW_IM_7;
+		p->thread.pc	= (unsigned long) ret_from_kernel_thread;
+		return 0;
+	}
+	*c_regs = *kregs;
+	c_regs->sp = c_usp;
+	c_regs->epsw &= ~EPSW_FE; /* my FPU */
 
 	/* the new TLS pointer is passed in as arg #5 to sys_clone() */
 	if (clone_flags & CLONE_SETTLS)
-		c_uregs->e2 = current_frame()->d3;
-
-	/* set up the return kernel frame if called from kernel_thread() */
-	c_kregs = c_uregs;
-	if (kregs != uregs) {
-		c_ksp -= sizeof(struct pt_regs);
-		c_kregs = (struct pt_regs *) c_ksp;
-		*c_kregs = *kregs;
-		c_kregs->sp = c_usp;
-		c_kregs->next = c_uregs;
-#ifdef CONFIG_MN10300_CURRENT_IN_E2
-		c_kregs->e2 = (unsigned long) p; /* current */
-#endif
-
-		c_ksp -= 12; /* allocate function call ABI slack */
-	}
+		c_regs->e2 = current_frame()->d3;
 
-	/* set up things up so the scheduler can start the new task */
-	ti->frame	= c_kregs;
-	p->thread.a3	= (unsigned long) c_kregs;
-	p->thread.sp	= c_ksp;
 	p->thread.pc	= (unsigned long) ret_from_fork;
-	p->thread.wchan	= (unsigned long) ret_from_fork;
-	p->thread.usp	= c_usp;
 
 	return 0;
 }
@@ -299,22 +273,6 @@ asmlinkage long sys_vfork(void)
 		       current_frame(), 0, NULL, NULL);
 }
 
-asmlinkage long sys_execve(const char __user *name,
-			   const char __user *const __user *argv,
-			   const char __user *const __user *envp)
-{
-	char *filename;
-	int error;
-
-	filename = getname(name);
-	error = PTR_ERR(filename);
-	if (IS_ERR(filename))
-		return error;
-	error = do_execve(filename, argv, envp, current_frame());
-	putname(filename);
-	return error;
-}
-
 unsigned long get_wchan(struct task_struct *p)
 {
 	return p->thread.wchan;
diff --git a/arch/mn10300/kernel/signal.c b/arch/mn10300/kernel/signal.c
index 4d584ae29ae..f570b3085ef 100644
--- a/arch/mn10300/kernel/signal.c
+++ b/arch/mn10300/kernel/signal.c
@@ -317,10 +317,6 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set,
 	regs->d0 = sig;
 	regs->d1 = (unsigned long) &frame->sc;
 
-	/* the tracer may want to single-step inside the handler */
-	if (test_thread_flag(TIF_SINGLESTEP))
-		ptrace_notify(SIGTRAP);
-
 #if DEBUG_SIG
 	printk(KERN_DEBUG "SIG deliver %d (%s:%d): sp=%p pc=%lx ra=%p\n",
 	       sig, current->comm, current->pid, frame, regs->pc,
@@ -398,10 +394,6 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 	regs->d0 = sig;
 	regs->d1 = (long) &frame->info;
 
-	/* the tracer may want to single-step inside the handler */
-	if (test_thread_flag(TIF_SINGLESTEP))
-		ptrace_notify(SIGTRAP);
-
 #if DEBUG_SIG
 	printk(KERN_DEBUG "SIG deliver %d (%s:%d): sp=%p pc=%lx ra=%p\n",
 	       sig, current->comm, current->pid, frame, regs->pc,
@@ -475,11 +467,6 @@ static void do_signal(struct pt_regs *regs)
 	siginfo_t info;
 	int signr;
 
-	/* we want the common case to go fast, which is why we may in certain
-	 * cases get here from kernel mode */
-	if (!user_mode(regs))
-		return;
-
 	signr = get_signal_to_deliver(&info, &ka, regs, NULL);
 	if (signr > 0) {
 		if (handle_signal(signr, &info, &ka, regs) == 0) {