uml: style fixes pass 3

Formatting changes in the files which have been changed in the course
of folding foo_skas functions into their callers.  These include:
	copyright updates
	header file trimming
	style fixes
	adding severity to printks

These changes should be entirely non-functional.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

15 files changed, 375 insertions, 466 deletions

diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c
index 5064fb691eb..0d260567fd1 100644
--- a/arch/um/kernel/exec.c
+++ b/arch/um/kernel/exec.c
@@ -1,24 +1,19 @@
 /*
- * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
  * Licensed under the GPL
  */
 
-#include "linux/slab.h"
+#include "linux/stddef.h"
+#include "linux/fs.h"
 #include "linux/smp_lock.h"
 #include "linux/ptrace.h"
-#include "linux/fs.h"
-#include "asm/ptrace.h"
-#include "asm/pgtable.h"
-#include "asm/tlbflush.h"
+#include "linux/sched.h"
+#include "asm/current.h"
+#include "asm/processor.h"
 #include "asm/uaccess.h"
-#include "kern_util.h"
-#include "as-layout.h"
 #include "mem_user.h"
-#include "kern.h"
-#include "irq_user.h"
-#include "tlb.h"
+#include "skas.h"
 #include "os.h"
-#include "skas/skas.h"
 
 void flush_thread(void)
 {
@@ -29,8 +24,8 @@ void flush_thread(void)
 	arch_flush_thread(&current->thread.arch);
 
 	ret = unmap(&current->mm->context.skas.id, 0, end, 1, &data);
-	if(ret){
-		printk("flush_thread - clearing address space failed, "
+	if (ret) {
+		printk(KERN_ERR "flush_thread - clearing address space failed, "
 		       "err = %d\n", ret);
 		force_sig(SIGKILL, current);
 	}
@@ -52,7 +47,7 @@ extern void log_exec(char **argv, void *tty);
 static long execve1(char *file, char __user * __user *argv,
 		    char __user *__user *env)
 {
-        long error;
+	long error;
 #ifdef CONFIG_TTY_LOG
 	struct tty_struct *tty;
 
@@ -62,16 +57,16 @@ static long execve1(char *file, char __user * __user *argv,
 		log_exec(argv, tty);
 	mutex_unlock(&tty_mutex);
 #endif
-        error = do_execve(file, argv, env, &current->thread.regs);
-        if (error == 0){
+	error = do_execve(file, argv, env, &current->thread.regs);
+	if (error == 0) {
 		task_lock(current);
-                current->ptrace &= ~PT_DTRACE;
+		current->ptrace &= ~PT_DTRACE;
 #ifdef SUBARCH_EXECVE1
 		SUBARCH_EXECVE1(&current->thread.regs.regs);
 #endif
 		task_unlock(current);
-        }
-        return(error);
+	}
+	return error;
 }
 
 long um_execve(char *file, char __user *__user *argv, char __user *__user *env)
@@ -79,9 +74,9 @@ long um_execve(char *file, char __user *__user *argv, char __user *__user *env)
 	long err;
 
 	err = execve1(file, argv, env);
-	if(!err)
+	if (!err)
 		do_longjmp(current->thread.exec_buf, 1);
-	return(err);
+	return err;
 }
 
 long sys_execve(char __user *file, char __user *__user *argv,
@@ -98,5 +93,5 @@ long sys_execve(char __user *file, char __user *__user *argv,
 	putname(filename);
  out:
 	unlock_kernel();
-	return(error);
+	return error;
 }
diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c
index b10ee28b97c..277fce17b08 100644
--- a/arch/um/kernel/irq.c
+++ b/arch/um/kernel/irq.c
@@ -1,37 +1,19 @@
 /*
- * Copyright (C) 2000 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
  * Licensed under the GPL
  * Derived (i.e. mostly copied) from arch/i386/kernel/irq.c:
  *	Copyright (C) 1992, 1998 Linus Torvalds, Ingo Molnar
  */
 
-#include "linux/kernel.h"
-#include "linux/module.h"
-#include "linux/smp.h"
-#include "linux/kernel_stat.h"
+#include "linux/cpumask.h"
+#include "linux/hardirq.h"
 #include "linux/interrupt.h"
-#include "linux/random.h"
-#include "linux/slab.h"
-#include "linux/file.h"
-#include "linux/proc_fs.h"
-#include "linux/init.h"
+#include "linux/kernel_stat.h"
+#include "linux/module.h"
 #include "linux/seq_file.h"
-#include "linux/profile.h"
-#include "linux/hardirq.h"
-#include "asm/irq.h"
-#include "asm/hw_irq.h"
-#include "asm/atomic.h"
-#include "asm/signal.h"
-#include "asm/system.h"
-#include "asm/errno.h"
-#include "asm/uaccess.h"
+#include "as-layout.h"
 #include "kern_util.h"
-#include "irq_user.h"
-#include "irq_kern.h"
 #include "os.h"
-#include "sigio.h"
-#include "misc_constants.h"
-#include "as-layout.h"
 
 /*
  * Generic, controller-independent functions:
@@ -71,9 +53,8 @@ int show_interrupts(struct seq_file *p, void *v)
 		seq_putc(p, '\n');
 skip:
 		spin_unlock_irqrestore(&irq_desc[i].lock, flags);
-	} else if (i == NR_IRQS) {
+	} else if (i == NR_IRQS)
 		seq_putc(p, '\n');
-	}
 
 	return 0;
 }
@@ -102,11 +83,13 @@ void sigio_handler(int sig, struct uml_pt_regs *regs)
 	while (1) {
 		n = os_waiting_for_events(active_fds);
 		if (n <= 0) {
-			if(n == -EINTR) continue;
+			if (n == -EINTR)
+				continue;
 			else break;
 		}
 
-		for (irq_fd = active_fds; irq_fd != NULL; irq_fd = irq_fd->next) {
+		for (irq_fd = active_fds; irq_fd != NULL;
+		     irq_fd = irq_fd->next) {
 			if (irq_fd->current_events != 0) {
 				irq_fd->current_events = 0;
 				do_IRQ(irq_fd->irq, regs);
@@ -138,8 +121,7 @@ int activate_fd(int irq, int fd, int type, void *dev_id)
 
 	if (type == IRQ_READ)
 		events = UM_POLLIN | UM_POLLPRI;
-	else
-		events = UM_POLLOUT;
+	else events = UM_POLLOUT;
 	*new_fd = ((struct irq_fd) { .next  		= NULL,
 				     .id 		= dev_id,
 				     .fd 		= fd,
@@ -153,9 +135,10 @@ int activate_fd(int irq, int fd, int type, void *dev_id)
 	spin_lock_irqsave(&irq_lock, flags);
 	for (irq_fd = active_fds; irq_fd != NULL; irq_fd = irq_fd->next) {
 		if ((irq_fd->fd == fd) && (irq_fd->type == type)) {
-			printk("Registering fd %d twice\n", fd);
-			printk("Irqs : %d, %d\n", irq_fd->irq, irq);
-			printk("Ids : 0x%p, 0x%p\n", irq_fd->id, dev_id);
+			printk(KERN_ERR "Registering fd %d twice\n", fd);
+			printk(KERN_ERR "Irqs : %d, %d\n", irq_fd->irq, irq);
+			printk(KERN_ERR "Ids : 0x%p, 0x%p\n", irq_fd->id,
+			       dev_id);
 			goto out_unlock;
 		}
 	}
@@ -171,7 +154,8 @@ int activate_fd(int irq, int fd, int type, void *dev_id)
 		if (n == 0)
 			break;
 
-		/* n > 0
+		/*
+		 * n > 0
 		 * It means we couldn't put new pollfd to current pollfds
 		 * and tmp_fds is NULL or too small for new pollfds array.
 		 * Needed size is equal to n as minimum.
@@ -197,7 +181,8 @@ int activate_fd(int irq, int fd, int type, void *dev_id)
 
 	spin_unlock_irqrestore(&irq_lock, flags);
 
-	/* This calls activate_fd, so it has to be outside the critical
+	/*
+	 * This calls activate_fd, so it has to be outside the critical
 	 * section.
 	 */
 	maybe_sigio_broken(fd, (type == IRQ_READ));
@@ -264,13 +249,14 @@ static struct irq_fd *find_irq_by_fd(int fd, int irqnum, int *index_out)
 		i++;
 	}
 	if (irq == NULL) {
-		printk("find_irq_by_fd doesn't have descriptor %d\n", fd);
+		printk(KERN_ERR "find_irq_by_fd doesn't have descriptor %d\n",
+		       fd);
 		goto out;
 	}
 	fdi = os_get_pollfd(i);
 	if ((fdi != -1) && (fdi != fd)) {
-		printk("find_irq_by_fd - mismatch between active_fds and "
-		       "pollfds, fd %d vs %d, need %d\n", irq->fd,
+		printk(KERN_ERR "find_irq_by_fd - mismatch between active_fds "
+		       "and pollfds, fd %d vs %d, need %d\n", irq->fd,
 		       fdi, fd);
 		irq = NULL;
 		goto out;
@@ -306,7 +292,7 @@ void deactivate_fd(int fd, int irqnum)
 
 	spin_lock_irqsave(&irq_lock, flags);
 	irq = find_irq_by_fd(fd, irqnum, &i);
-	if(irq == NULL){
+	if (irq == NULL) {
 		spin_unlock_irqrestore(&irq_lock, flags);
 		return;
 	}
@@ -372,8 +358,10 @@ int um_request_irq(unsigned int irq, int fd, int type,
 EXPORT_SYMBOL(um_request_irq);
 EXPORT_SYMBOL(reactivate_fd);
 
-/* hw_interrupt_type must define (startup || enable) &&
- * (shutdown || disable) && end */
+/*
+ * hw_interrupt_type must define (startup || enable) &&
+ * (shutdown || disable) && end
+ */
 static void dummy(unsigned int irq)
 {
 }
@@ -422,7 +410,8 @@ int init_aio_irq(int irq, char *name, irq_handler_t handler)
 
 	err = os_pipe(fds, 1, 1);
 	if (err) {
-		printk("init_aio_irq - os_pipe failed, err = %d\n", -err);
+		printk(KERN_ERR "init_aio_irq - os_pipe failed, err = %d\n",
+		       -err);
 		goto out;
 	}
 
@@ -430,7 +419,8 @@ int init_aio_irq(int irq, char *name, irq_handler_t handler)
 			     IRQF_DISABLED | IRQF_SAMPLE_RANDOM, name,
 			     (void *) (long) fds[0]);
 	if (err) {
-		printk("init_aio_irq - : um_request_irq failed, err = %d\n",
+		printk(KERN_ERR "init_aio_irq - : um_request_irq failed, "
+		       "err = %d\n",
 		       err);
 		goto out_close;
 	}
@@ -501,8 +491,9 @@ unsigned long to_irq_stack(unsigned long *mask_out)
 	int nested;
 
 	mask = xchg(&pending_mask, *mask_out);
-	if(mask != 0){
-		/* If any interrupts come in at this point, we want to
+	if (mask != 0) {
+		/*
+		 * If any interrupts come in at this point, we want to
 		 * make sure that their bits aren't lost by our
 		 * putting our bit in.  So, this loop accumulates bits
 		 * until xchg returns the same value that we put in.
@@ -514,13 +505,13 @@ unsigned long to_irq_stack(unsigned long *mask_out)
 		do {
 			old |= mask;
 			mask = xchg(&pending_mask, old);
-		} while(mask != old);
+		} while (mask != old);
 		return 1;
 	}
 
 	ti = current_thread_info();
 	nested = (ti->real_thread != NULL);
-	if(!nested){
+	if (!nested) {
 		struct task_struct *task;
 		struct thread_info *tti;
 
diff --git a/arch/um/kernel/physmem.c b/arch/um/kernel/physmem.c
index 90e89e83817..a55d221d8a4 100644
--- a/arch/um/kernel/physmem.c
+++ b/arch/um/kernel/physmem.c
@@ -75,7 +75,7 @@ void map_memory(unsigned long virt, unsigned long phys, unsigned long len,
 	err = os_map_memory((void *) virt, fd, offset, len, r, w, x);
 	if (err) {
 		if (err == -ENOMEM)
-			printk("try increasing the host's "
+			printk(KERN_ERR "try increasing the host's "
 			       "/proc/sys/vm/max_map_count to <physical "
 			       "memory size>/4096\n");
 		panic("map_memory(0x%lx, %d, 0x%llx, %ld, %d, %d, %d) failed, "
@@ -103,7 +103,8 @@ void __init setup_physmem(unsigned long start, unsigned long reserve_end,
 		exit(1);
 	}
 
-	/* Special kludge - This page will be mapped in to userspace processes
+	/*
+	 * Special kludge - This page will be mapped in to userspace processes
 	 * from physmem_fd, so it needs to be written out there.
 	 */
 	os_seek_file(physmem_fd, __pa(&__syscall_stub_start));
@@ -202,8 +203,8 @@ int setup_iomem(void)
 		err = os_map_memory((void *) iomem_start, region->fd, 0,
 				    region->size, 1, 1, 0);
 		if (err)
-			printk("Mapping iomem region for driver '%s' failed, "
-			       "errno = %d\n", region->driver, -err);
+			printk(KERN_ERR "Mapping iomem region for driver '%s' "
+			       "failed, errno = %d\n", region->driver, -err);
 		else {
 			region->virt = iomem_start;
 			region->phys = __pa(region->virt);
diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
index d3b9c62e73c..7c037fa9c5b 100644
--- a/arch/um/kernel/process.c
+++ b/arch/um/kernel/process.c
@@ -1,51 +1,29 @@
 /*
- * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
  * Copyright 2003 PathScale, Inc.
  * Licensed under the GPL
  */
 
-#include "linux/kernel.h"
-#include "linux/sched.h"
-#include "linux/interrupt.h"
-#include "linux/string.h"
+#include "linux/stddef.h"
+#include "linux/err.h"
+#include "linux/hardirq.h"
 #include "linux/mm.h"
-#include "linux/slab.h"
-#include "linux/utsname.h"
-#include "linux/fs.h"
-#include "linux/utime.h"
-#include "linux/smp_lock.h"
-#include "linux/module.h"
-#include "linux/init.h"
-#include "linux/capability.h"
-#include "linux/vmalloc.h"
-#include "linux/spinlock.h"
+#include "linux/personality.h"
 #include "linux/proc_fs.h"
 #include "linux/ptrace.h"
 #include "linux/random.h"
-#include "linux/personality.h"
-#include "asm/unistd.h"
-#include "asm/mman.h"
-#include "asm/segment.h"
-#include "asm/stat.h"
+#include "linux/sched.h"
+#include "linux/threads.h"
 #include "asm/pgtable.h"
-#include "asm/processor.h"
-#include "asm/tlbflush.h"
 #include "asm/uaccess.h"
-#include "asm/user.h"
-#include "kern_util.h"
 #include "as-layout.h"
-#include "kern.h"
-#include "signal_kern.h"
-#include "init.h"
-#include "irq_user.h"
-#include "mem_user.h"
-#include "tlb.h"
-#include "frame_kern.h"
-#include "sigcontext.h"
+#include "kern_util.h"
 #include "os.h"
 #include "skas.h"
+#include "tlb.h"
 
-/* This is a per-cpu array.  A processor only modifies its entry and it only
+/*
+ * This is a per-cpu array.  A processor only modifies its entry and it only
  * cares about its entry, so it's OK if another processor is modifying its
  * entry.
  */
@@ -54,15 +32,15 @@ struct cpu_task cpu_tasks[NR_CPUS] = { [0 ... NR_CPUS - 1] = { -1, NULL } };
 static inline int external_pid(struct task_struct *task)
 {
 	/* FIXME: Need to look up userspace_pid by cpu */
-	return(userspace_pid[0]);
+	return userspace_pid[0];
 }
 
 int pid_to_processor_id(int pid)
 {
 	int i;
 
-	for(i = 0; i < ncpus; i++){
-		if(cpu_tasks[i].pid == pid)
+	for(i = 0; i < ncpus; i++) {
+		if (cpu_tasks[i].pid == pid)
 			return i;
 	}
 	return -1;
@@ -118,7 +96,7 @@ void *_switch_to(void *prev, void *next, void *last)
 		current->thread.saved_task = NULL;
 
 		/* XXX need to check runqueues[cpu].idle */
-		if(current->pid == 0)
+		if (current->pid == 0)
 			switch_timers(0);
 
 		switch_threads(&from->thread.switch_buf,
@@ -126,10 +104,10 @@ void *_switch_to(void *prev, void *next, void *last)
 
 		arch_switch_to(current->thread.prev_sched, current);
 
-		if(current->pid == 0)
+		if (current->pid == 0)
 			switch_timers(1);
 
-		if(current->thread.saved_task)
+		if (current->thread.saved_task)
 			show_regs(&(current->thread.regs));
 		next= current->thread.saved_task;
 		prev= current;
@@ -141,9 +119,9 @@ void *_switch_to(void *prev, void *next, void *last)
 
 void interrupt_end(void)
 {
-	if(need_resched())
+	if (need_resched())
 		schedule();
-	if(test_tsk_thread_flag(current, TIF_SIGPENDING))
+	if (test_tsk_thread_flag(current, TIF_SIGPENDING))
 		do_signal();
 }
 
@@ -158,7 +136,8 @@ void *get_current(void)
 
 extern void schedule_tail(struct task_struct *prev);
 
-/* This is called magically, by its address being stuffed in a jmp_buf
+/*
+ * This is called magically, by its address being stuffed in a jmp_buf
  * and being longjmp-d to.
  */
 void new_thread_handler(void)
@@ -166,18 +145,19 @@ void new_thread_handler(void)
 	int (*fn)(void *), n;
 	void *arg;
 
-	if(current->thread.prev_sched != NULL)
+	if (current->thread.prev_sched != NULL)
 		schedule_tail(current->thread.prev_sched);
 	current->thread.prev_sched = NULL;
 
 	fn = current->thread.request.u.thread.proc;
 	arg = current->thread.request.u.thread.arg;
 
-	/* The return value is 1 if the kernel thread execs a process,
+	/*
+	 * The return value is 1 if the kernel thread execs a process,
 	 * 0 if it just exits
 	 */
 	n = run_kernel_thread(fn, arg, &current->thread.exec_buf);
-	if(n == 1){
+	if (n == 1) {
 		/* Handle any immediate reschedules or signals */
 		interrupt_end();
 		userspace(&current->thread.regs.regs);
@@ -189,14 +169,16 @@ void new_thread_handler(void)
 void fork_handler(void)
 {
 	force_flush_all();
-	if(current->thread.prev_sched == NULL)
+	if (current->thread.prev_sched == NULL)
 		panic("blech");
 
 	schedule_tail(current->thread.prev_sched);
 
-	/* XXX: if interrupt_end() calls schedule, this call to
+	/*
+	 * XXX: if interrupt_end() calls schedule, this call to
 	 * arch_switch_to isn't needed. We could want to apply this to
-	 * improve performance. -bb */
+	 * improve performance. -bb
+	 */
 	arch_switch_to(current->thread.prev_sched, current);
 
 	current->thread.prev_sched = NULL;
@@ -216,11 +198,11 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
 
 	p->thread = (struct thread_struct) INIT_THREAD;
 
-	if(current->thread.forking){
+	if (current->thread.forking) {
 	  	memcpy(&p->thread.regs.regs, &regs->regs,
 		       sizeof(p->thread.regs.regs));
 		REGS_SET_SYSCALL_RETURN(p->thread.regs.regs.regs, 0);
-		if(sp != 0)
+		if (sp != 0)
 			REGS_SP(p->thread.regs.regs.regs) = sp;
 
 		handler = fork_handler;
@@ -259,14 +241,14 @@ void initial_thread_cb(void (*proc)(void *), void *arg)
 
 void default_idle(void)
 {
-	while(1){
+	while(1) {
 		/* endless idle loop with no priority at all */
 
 		/*
 		 * although we are an idle CPU, we do not want to
 		 * get into the scheduler unnecessarily.
 		 */
-		if(need_resched())
+		if (need_resched())
 			schedule();
 
 		idle_sleep(10);
@@ -288,26 +270,26 @@ void *um_virt_to_phys(struct task_struct *task, unsigned long addr,
 	pte_t *pte;
 	pte_t ptent;
 
-	if(task->mm == NULL)
+	if (task->mm == NULL)
 		return ERR_PTR(-EINVAL);
 	pgd = pgd_offset(task->mm, addr);
-	if(!pgd_present(*pgd))
+	if (!pgd_present(*pgd))
 		return ERR_PTR(-EINVAL);
 
 	pud = pud_offset(pgd, addr);
-	if(!pud_present(*pud))
+	if (!pud_present(*pud))
 		return ERR_PTR(-EINVAL);
 
 	pmd = pmd_offset(pud, addr);
-	if(!pmd_present(*pmd))
+	if (!pmd_present(*pmd))
 		return ERR_PTR(-EINVAL);
 
 	pte = pte_offset_kernel(pmd, addr);
 	ptent = *pte;
-	if(!pte_present(ptent))
+	if (!pte_present(ptent))
 		return ERR_PTR(-EINVAL);
 
-	if(pte_out != NULL)
+	if (pte_out != NULL)
 		*pte_out = ptent;
 	return (void *) (pte_val(ptent) & PAGE_MASK) + (addr & ~PAGE_MASK);
 }
@@ -380,7 +362,7 @@ int smp_sigio_handler(void)
 #ifdef CONFIG_SMP
 	int cpu = current_thread->cpu;
 	IPI_handler(cpu);
-	if(cpu != 0)
+	if (cpu != 0)
 		return 1;
 #endif
 	return 0;
@@ -408,7 +390,8 @@ int get_using_sysemu(void)
 
 static int proc_read_sysemu(char *buf, char **start, off_t offset, int size,int *eof, void *data)
 {
-	if (snprintf(buf, size, "%d\n", get_using_sysemu()) < size) /*No overflow*/
+	if (snprintf(buf, size, "%d\n", get_using_sysemu()) < size)
+		/* No overflow */
 		*eof = 1;
 
 	return strlen(buf);
@@ -423,7 +406,8 @@ static int proc_write_sysemu(struct file *file,const char __user *buf, unsigned
 
 	if (tmp[0] >= '0' && tmp[0] <= '2')
 		set_using_sysemu(tmp[0] - '0');
-	return count; /*We use the first char, but pretend to write everything*/
+	/* We use the first char, but pretend to write everything */
+	return count;
 }
 
 int __init make_proc_sysemu(void)
@@ -453,10 +437,10 @@ int singlestepping(void * t)
 	struct task_struct *task = t ? t : current;
 
 	if ( ! (task->ptrace & PT_DTRACE) )
-		return(0);
+		return 0;
 
 	if (task->thread.singlestep_syscall)
-		return(1);
+		return 1;
 
 	return 2;
 }
diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c
index bbc3a4a9a0f..db55a017e9b 100644
--- a/arch/um/kernel/ptrace.c
+++ b/arch/um/kernel/ptrace.c
@@ -1,35 +1,27 @@
-/* 
- * Copyright (C) 2000 Jeff Dike (jdike@karaya.com)
+/*
+ * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
  * Licensed under the GPL
  */
 
-#include "linux/sched.h"
-#include "linux/mm.h"
-#include "linux/errno.h"
-#include "linux/smp_lock.h"
-#include "linux/security.h"
-#include "linux/ptrace.h"
 #include "linux/audit.h"
+#include "linux/ptrace.h"
+#include "linux/sched.h"
+#include "asm/uaccess.h"
 #ifdef CONFIG_PROC_MM
-#include "linux/proc_mm.h"
+#include "proc_mm.h"
 #endif
-#include "asm/ptrace.h"
-#include "asm/uaccess.h"
-#include "kern_util.h"
 #include "skas_ptrace.h"
-#include "sysdep/ptrace.h"
-#include "os.h"
 
 static inline void set_singlestepping(struct task_struct *child, int on)
 {
-        if (on)
-                child->ptrace |= PT_DTRACE;
-        else
-                child->ptrace &= ~PT_DTRACE;
-        child->thread.singlestep_syscall = 0;
+	if (on)
+		child->ptrace |= PT_DTRACE;
+	else
+		child->ptrace &= ~PT_DTRACE;
+	child->thread.singlestep_syscall = 0;
 
 #ifdef SUBARCH_SET_SINGLESTEPPING
-        SUBARCH_SET_SINGLESTEPPING(child, on);
+	SUBARCH_SET_SINGLESTEPPING(child, on);
 #endif
 }
 
@@ -37,8 +29,8 @@ static inline void set_singlestepping(struct task_struct *child, int on)
  * Called by kernel/ptrace.c when detaching..
  */
 void ptrace_disable(struct task_struct *child)
-{ 
-        set_singlestepping(child,0);
+{
+	set_singlestepping(child,0);
 }
 
 extern int peek_user(struct task_struct * child, long addr, long data);
@@ -50,40 +42,40 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 	unsigned long __user *p = (void __user *)(unsigned long)data;
 
 	switch (request) {
-		/* when I and D space are separate, these will need to be fixed. */
-	case PTRACE_PEEKTEXT: /* read word at location addr. */ 
+	/* read word at location addr. */
+	case PTRACE_PEEKTEXT:
 	case PTRACE_PEEKDATA:
 		ret = generic_ptrace_peekdata(child, addr, data);
 		break;
 
 	/* read the word at location addr in the USER area. */
-        case PTRACE_PEEKUSR:
-                ret = peek_user(child, addr, data);
-                break;
+	case PTRACE_PEEKUSR:
+		ret = peek_user(child, addr, data);
+		break;
 
-	/* when I and D space are separate, this will have to be fixed. */
-	case PTRACE_POKETEXT: /* write the word at location addr. */
+	/* write the word at location addr. */
+	case PTRACE_POKETEXT:
 	case PTRACE_POKEDATA:
 		ret = generic_ptrace_pokedata(child, addr, data);
 		break;
 
-	case PTRACE_POKEUSR: /* write the word at location addr in the USER area */
-                ret = poke_user(child, addr, data);
-                break;
+	/* write the word at location addr in the USER area */
+	case PTRACE_POKEUSR:
+		ret = poke_user(child, addr, data);
+		break;
 
-	case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */
-	case PTRACE_CONT: { /* restart after signal. */
+	/* continue and stop at next (return from) syscall */
+	case PTRACE_SYSCALL:
+	/* restart after signal. */
+	case PTRACE_CONT: {
 		ret = -EIO;
 		if (!valid_signal(data))
 			break;
 
-                set_singlestepping(child, 0);
-		if (request == PTRACE_SYSCALL) {
+		set_singlestepping(child, 0);
+		if (request == PTRACE_SYSCALL)
 			set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		}
-		else {
-			clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		}
+		else clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
 		child->exit_code = data;
 		wake_up_process(child);
 		ret = 0;
@@ -91,8 +83,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 	}
 
 /*
- * make the child exit.  Best I can do is send it a sigkill. 
- * perhaps it should be put in the status that it wants to 
+ * make the child exit.  Best I can do is send it a sigkill.
+ * perhaps it should be put in the status that it wants to
  * exit.
  */
 	case PTRACE_KILL: {
@@ -100,7 +92,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		if (child->exit_state == EXIT_ZOMBIE)	/* already dead */
 			break;
 
-                set_singlestepping(child, 0);
+		set_singlestepping(child, 0);
 		child->exit_code = SIGKILL;
 		wake_up_process(child);
 		break;
@@ -111,7 +103,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		if (!valid_signal(data))
 			break;
 		clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-                set_singlestepping(child, 1);
+		set_singlestepping(child, 1);
 		child->exit_code = data;
 		/* give it a chance to run. */
 		wake_up_process(child);
@@ -180,13 +172,14 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		break;
 
 	case PTRACE_FAULTINFO: {
-		/* Take the info from thread->arch->faultinfo,
+		/*
+		 * Take the info from thread->arch->faultinfo,
 		 * but transfer max. sizeof(struct ptrace_faultinfo).
 		 * On i386, ptrace_faultinfo is smaller!
 		 */
 		ret = copy_to_user(p, &child->thread.arch.faultinfo,
 				   sizeof(struct ptrace_faultinfo));
-		if(ret)
+		if (ret)
 			break;
 		break;
 	}
@@ -195,12 +188,13 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 	case PTRACE_LDT: {
 		struct ptrace_ldt ldt;
 
-		if(copy_from_user(&ldt, p, sizeof(ldt))){
+		if (copy_from_user(&ldt, p, sizeof(ldt))) {
 			ret = -EIO;
 			break;
 		}
 
-		/* This one is confusing, so just punt and return -EIO for 
+		/*
+		 * This one is confusing, so just punt and return -EIO for
 		 * now
 		 */
 		ret = -EIO;
@@ -212,7 +206,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		struct mm_struct *old = child->mm;
 		struct mm_struct *new = proc_mm_get_mm(data);
 
-		if(IS_ERR(new)){
+		if (IS_ERR(new)) {
 			ret = PTR_ERR(new);
 			break;
 		}
@@ -226,10 +220,10 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 	}
 #endif
 #ifdef PTRACE_ARCH_PRCTL
-        case PTRACE_ARCH_PRCTL:
-                /* XXX Calls ptrace on the host - needs some SMP thinking */
-                ret = arch_prctl(child, data, (void *) addr);
-                break;
+	case PTRACE_ARCH_PRCTL:
+		/* XXX Calls ptrace on the host - needs some SMP thinking */
+		ret = arch_prctl(child, data, (void *) addr);
+		break;
 #endif
 	default:
 		ret = ptrace_request(child, request, addr, data);
@@ -255,7 +249,8 @@ void send_sigtrap(struct task_struct *tsk, struct uml_pt_regs *regs,
 	force_sig_info(SIGTRAP, &info, tsk);
 }
 
-/* XXX Check PT_DTRACE vs TIF_SINGLESTEP for singlestepping check and
+/*
+ * XXX Check PT_DTRACE vs TIF_SINGLESTEP for singlestepping check and
  * PT_PTRACED vs TIF_SYSCALL_TRACE for syscall tracing check
  */
 void syscall_trace(struct uml_pt_regs *regs, int entryexit)
@@ -272,7 +267,7 @@ void syscall_trace(struct uml_pt_regs *regs, int entryexit)
 					    UPT_SYSCALL_ARG3(regs),
 					    UPT_SYSCALL_ARG4(regs));
 		else audit_syscall_exit(AUDITSC_RESULT(UPT_SYSCALL_RET(regs)),
-                                        UPT_SYSCALL_RET(regs));
+					UPT_SYSCALL_RET(regs));
 	}
 
 	/* Fake a debug trap */
@@ -285,15 +280,18 @@ void syscall_trace(struct uml_pt_regs *regs, int entryexit)
 	if (!(current->ptrace & PT_PTRACED))
 		return;
 
-	/* the 0x80 provides a way for the tracing parent to distinguish
-	   between a syscall stop and SIGTRAP delivery */
+	/*
+	 * the 0x80 provides a way for the tracing parent to distinguish
+	 * between a syscall stop and SIGTRAP delivery
+	 */
 	tracesysgood = (current->ptrace & PT_TRACESYSGOOD);
 	ptrace_notify(SIGTRAP | (tracesysgood ? 0x80 : 0));
 
 	if (entryexit) /* force do_signal() --> is_syscall() */
 		set_thread_flag(TIF_SIGPENDING);
 
-	/* this isn't the same as continuing with a signal, but it will do
+	/*
+	 * this isn't the same as continuing with a signal, but it will do
 	 * for normal use.  strace only continues with a signal if the
 	 * stopping signal is not SIGTRAP.  -brl
 	 */
diff --git a/arch/um/kernel/reboot.c b/arch/um/kernel/reboot.c
index f3bd18bbf07..9d8eea47a0f 100644
--- a/arch/um/kernel/reboot.c
+++ b/arch/um/kernel/reboot.c
@@ -1,13 +1,9 @@
 /* 
- * Copyright (C) 2000, 2002 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
  * Licensed under the GPL
  */
 
-#include "linux/module.h"
 #include "linux/sched.h"
-#include "asm/smp.h"
-#include "kern_util.h"
-#include "kern.h"
 #include "os.h"
 #include "skas.h"
 
@@ -37,20 +33,20 @@ static void kill_off_processes(void)
 
 void uml_cleanup(void)
 {
-        kmalloc_ok = 0;
+	kmalloc_ok = 0;
 	do_uml_exitcalls();
 	kill_off_processes();
 }
 
 void machine_restart(char * __unused)
 {
-        uml_cleanup();
+	uml_cleanup();
 	reboot_skas();
 }
 
 void machine_power_off(void)
 {
-        uml_cleanup();
+	uml_cleanup();
 	halt_skas();
 }
 
diff --git a/arch/um/kernel/signal.c b/arch/um/kernel/signal.c
index 4dab7e417ba..19cb9773393 100644
--- a/arch/um/kernel/signal.c
+++ b/arch/um/kernel/signal.c
@@ -1,27 +1,16 @@
 /*
- * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
  * Licensed under the GPL
  */
 
-#include "linux/stddef.h"
-#include "linux/sys.h"
-#include "linux/sched.h"
-#include "linux/wait.h"
-#include "linux/kernel.h"
-#include "linux/smp_lock.h"
 #include "linux/module.h"
-#include "linux/slab.h"
-#include "linux/tty.h"
-#include "linux/binfmts.h"
 #include "linux/ptrace.h"
+#include "linux/sched.h"
+#include "asm/siginfo.h"
 #include "asm/signal.h"
-#include "asm/uaccess.h"
 #include "asm/unistd.h"
-#include "asm/ucontext.h"
-#include "kern_util.h"
-#include "signal_kern.h"
-#include "kern.h"
 #include "frame_kern.h"
+#include "kern_util.h"
 #include "sigcontext.h"
 
 EXPORT_SYMBOL(block_signals);
@@ -45,9 +34,9 @@ static int handle_signal(struct pt_regs *regs, unsigned long signr,
 	current_thread_info()->restart_block.fn = do_no_restart_syscall;
 
 	/* Did we come from a system call? */
-	if(PT_REGS_SYSCALL_NR(regs) >= 0){
+	if (PT_REGS_SYSCALL_NR(regs) >= 0) {
 		/* If so, check system call restarting.. */
-		switch(PT_REGS_SYSCALL_RET(regs)){
+		switch(PT_REGS_SYSCALL_RET(regs)) {
 		case -ERESTART_RESTARTBLOCK:
 		case -ERESTARTNOHAND:
 			PT_REGS_SYSCALL_RET(regs) = -EINTR;
@@ -67,17 +56,17 @@ static int handle_signal(struct pt_regs *regs, unsigned long signr,
 	}
 
 	sp = PT_REGS_SP(regs);
-	if((ka->sa.sa_flags & SA_ONSTACK) && (sas_ss_flags(sp) == 0))
+	if ((ka->sa.sa_flags & SA_ONSTACK) && (sas_ss_flags(sp) == 0))
 		sp = current->sas_ss_sp + current->sas_ss_size;
 
 #ifdef CONFIG_ARCH_HAS_SC_SIGNALS
-	if(!(ka->sa.sa_flags & SA_SIGINFO))
+	if (!(ka->sa.sa_flags & SA_SIGINFO))
 		err = setup_signal_stack_sc(sp, signr, ka, regs, oldset);
 	else
 #endif
 		err = setup_signal_stack_si(sp, signr, ka, regs, info, oldset);
 
-	if(err){
+	if (err) {
 		spin_lock_irq(&current->sighand->siglock);
 		current->blocked = *oldset;
 		recalc_sigpending();
@@ -87,7 +76,7 @@ static int handle_signal(struct pt_regs *regs, unsigned long signr,
 		spin_lock_irq(&current->sighand->sigl