uml: style fixes in arch/um/kernel

Joe Perches noticed some printks in smp.c that needed fixing.

While I was in there, I did the usual tidying in arch/um/kernel, which
should be fairly style-clean at this point:
	copyright updates
	emacs formatting comments removal
	include tidying
	style fixes

Cc: Joe Perches <joe@perches.com>
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>

arch/um/kernel/exitcode.c

@@ -1,15 +1,17 @@
 /*
- * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
  * Licensed under the GPL
  */
 
-#include "linux/kernel.h"
-#include "linux/init.h"
-#include "linux/ctype.h"
-#include "linux/proc_fs.h"
-#include "asm/uaccess.h"
+#include <linux/ctype.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/proc_fs.h>
+#include <linux/types.h>
+#include <asm/uaccess.h>
 
-/* If read and write race, the read will still atomically read a valid
+/*
+ * If read and write race, the read will still atomically read a valid
  * value.
  */
 int uml_exitcode = 0;
@@ -19,7 +21,8 @@ static int read_proc_exitcode(char *page, char **start, off_t off,
 {
 	int len, val;
 
-	/* Save uml_exitcode in a local so that we don't need to guarantee
+	/*
+	 * Save uml_exitcode in a local so that we don't need to guarantee
 	 * that sprintf accesses it atomically.
 	 */
 	val = uml_exitcode;

arch/um/kernel/gmon_syms.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
  * Licensed under the GPL
  */
 
@@ -8,12 +8,13 @@
 extern void __bb_init_func(void *)  __attribute__((weak));
 EXPORT_SYMBOL(__bb_init_func);
 
-/* This is defined (and referred to in profiling stub code) only by some GCC
+/*
+ * This is defined (and referred to in profiling stub code) only by some GCC
  * versions in libgcov.
  *
  * Since SuSE backported the fix, we cannot handle it depending on GCC version.
- * So, unconditionally export it. But also give it a weak declaration, which will
- * be overridden by any other one.
+ * So, unconditionally export it. But also give it a weak declaration, which
+ * will be overridden by any other one.
  */
 
 extern void __gcov_init(void *) __attribute__((weak));

arch/um/kernel/gprof_syms.c

@@ -1,5 +1,5 @@
 /* 
- * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
  * Licensed under the GPL
  */
 
@@ -7,14 +7,3 @@
 
 extern void mcount(void);
 EXPORT_SYMBOL(mcount);
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */

arch/um/kernel/process.c

@@ -4,19 +4,21 @@
  * Licensed under the GPL
  */
 
-#include "linux/stddef.h"
-#include "linux/err.h"
-#include "linux/hardirq.h"
-#include "linux/mm.h"
-#include "linux/personality.h"
-#include "linux/proc_fs.h"
-#include "linux/ptrace.h"
-#include "linux/random.h"
-#include "linux/sched.h"
-#include "linux/tick.h"
-#include "linux/threads.h"
-#include "asm/pgtable.h"
-#include "asm/uaccess.h"
+#include <linux/stddef.h>
+#include <linux/err.h>
+#include <linux/hardirq.h>
+#include <linux/gfp.h>
+#include <linux/mm.h>
+#include <linux/personality.h>
+#include <linux/proc_fs.h>
+#include <linux/ptrace.h>
+#include <linux/random.h>
+#include <linux/sched.h>
+#include <linux/tick.h>
+#include <linux/threads.h>
+#include <asm/current.h>
+#include <asm/pgtable.h>
+#include <asm/uaccess.h>
 #include "as-layout.h"
 #include "kern_util.h"
 #include "os.h"
@@ -94,14 +96,15 @@ void *_switch_to(void *prev, void *next, void *last)
 	do {
 		current->thread.saved_task = NULL;
 
-		switch_threads(&from->thread.switch_buf, &to->thread.switch_buf);
+		switch_threads(&from->thread.switch_buf,
+			       &to->thread.switch_buf);
 
 		arch_switch_to(current);
 
 		if (current->thread.saved_task)
 			show_regs(&(current->thread.regs));
-		next = current->thread.saved_task;
-		prev = current;
+		to = current->thread.saved_task;
+		from = current;
 	} while (current->thread.saved_task);
 
 	return current->thread.prev_sched;

arch/um/kernel/sigio.c

@@ -1,18 +1,12 @@
 /*
- * Copyright (C) 2002 - 2003 Jeff Dike (jdike@addtoit.com)
+ * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{linux.intel,addtoit}.com)
  * Licensed under the GPL
  */
 
-#include "linux/kernel.h"
-#include "linux/list.h"
-#include "linux/slab.h"
-#include "linux/signal.h"
-#include "linux/interrupt.h"
-#include "init.h"
-#include "sigio.h"
-#include "irq_user.h"
+#include <linux/interrupt.h>
 #include "irq_kern.h"
 #include "os.h"
+#include "sigio.h"
 
 /* Protected by sigio_lock() called from write_sigio_workaround */
 static int sigio_irq_fd = -1;
@@ -34,8 +28,8 @@ int write_sigio_irq(int fd)
 			     IRQF_DISABLED|IRQF_SAMPLE_RANDOM, "write sigio",
 			     NULL);
 	if (err) {
-		printk("write_sigio_irq : um_request_irq failed, err = %d\n",
-		       err);
+		printk(KERN_ERR "write_sigio_irq : um_request_irq failed, "
+		       "err = %d\n", err);
 		return -1;
 	}
 	sigio_irq_fd = fd;

arch/um/kernel/signal.c

@@ -3,12 +3,12 @@
  * Licensed under the GPL
  */
 
-#include "linux/module.h"
-#include "linux/ptrace.h"
-#include "linux/sched.h"
-#include "asm/siginfo.h"
-#include "asm/signal.h"
-#include "asm/unistd.h"
+#include <linux/module.h>
+#include <linux/ptrace.h>
+#include <linux/sched.h>
+#include <asm/siginfo.h>
+#include <asm/signal.h>
+#include <asm/unistd.h>
 #include "frame_kern.h"
 #include "kern_util.h"
 #include "sigcontext.h"

arch/um/kernel/smp.c

@@ -60,7 +60,7 @@ void smp_send_stop(void)
 			continue;
 		os_write_file(cpu_data[i].ipi_pipe[1], "S", 1);
 	}
-	printk(KERN_INFO "done\n");
+	printk(KERN_CONT "done\n");
 }
 
 static cpumask_t smp_commenced_mask = CPU_MASK_NONE;
@@ -140,9 +140,8 @@ void smp_prepare_cpus(unsigned int maxcpus)
 		while (waittime-- && !cpu_isset(cpu, cpu_callin_map))
 			cpu_relax();
 
-		if (cpu_isset(cpu, cpu_callin_map))
-			printk(KERN_INFO "done\n");
-		else printk(KERN_INFO "failed\n");
+		printk(KERN_INFO "%s\n",
+		       cpu_isset(cpu, cpu_calling_map) ? "done" : "failed");
 	}
 }
 

arch/um/kernel/sysrq.c

@@ -1,14 +1,12 @@
 /*
- * Copyright (C) 2001 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
  * Licensed under the GPL
  */
 
-#include "linux/sched.h"
-#include "linux/kernel.h"
-#include "linux/module.h"
-#include "linux/kallsyms.h"
-#include "asm/page.h"
-#include "asm/processor.h"
+#include <linux/kallsyms.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/sched.h>
 #include "sysrq.h"
 
 /* Catch non-i386 SUBARCH's. */
@@ -22,17 +20,18 @@ void show_trace(struct task_struct *task, unsigned long * stack)
 		WARN_ON(1);
 	}
 
-        printk("Call Trace: \n");
+	printk(KERN_INFO "Call Trace: \n");
 	while (((long) stack & (THREAD_SIZE-1)) != 0) {
 		addr = *stack;
 		if (__kernel_text_address(addr)) {
-			printk("%08lx:  [<%08lx>]", (unsigned long) stack, addr);
-			print_symbol(" %s", addr);
-			printk("\n");
+			printk(KERN_INFO "%08lx:  [<%08lx>]",
+			       (unsigned long) stack, addr);
+			print_symbol(KERN_CONT " %s", addr);
+			printk(KERN_CONT "\n");
 		}
 		stack++;
 	}
-        printk("\n");
+	printk(KERN_INFO "\n");
 }
 #endif
 
@@ -71,10 +70,9 @@ void show_stack(struct task_struct *task, unsigned long *esp)
 		if (kstack_end(stack))
 			break;
 		if (i && ((i % 8) == 0))
-			printk("\n       ");
+			printk("\n" KERN_INFO "       ");
 		printk("%08lx ", *stack++);
 	}
 
-	printk("Call Trace: \n");
 	show_trace(task, esp);
 }

arch/um/kernel/time.c

@@ -3,12 +3,12 @@
  * Licensed under the GPL
  */
 
-#include "linux/clockchips.h"
-#include "linux/interrupt.h"
-#include "linux/jiffies.h"
-#include "linux/threads.h"
-#include "asm/irq.h"
-#include "asm/param.h"
+#include <linux/clockchips.h>
+#include <linux/interrupt.h>
+#include <linux/jiffies.h>
+#include <linux/threads.h>
+#include <asm/irq.h>
+#include <asm/param.h>
 #include "kern_util.h"
 #include "os.h"
 

arch/um/kernel/uaccess.c

@@ -1,10 +1,11 @@
 /*
  * Copyright (C) 2001 Chris Emerson (cemerson@chiark.greenend.org.uk)
- * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
  * Licensed under the GPL
  */
 
-/* These are here rather than tt/uaccess.c because skas mode needs them in
+/*
+ * These are here rather than tt/uaccess.c because skas mode needs them in
  * order to do SIGBUS recovery when a tmpfs mount runs out of room.
  */
 
@@ -25,6 +26,8 @@ int __do_copy_to_user(void *to, const void *from, int n,
 
 	fault = __do_user_copy(to, from, n, fault_addr, fault_catcher,
 			       __do_copy, &faulted);
-	if(!faulted) return(0);
-	else return(n - (fault - (unsigned long) to));
+	if (!faulted)
+		return 0;
+	else
+		return n - (fault - (unsigned long) to);
 }

arch/um/kernel/um_arch.c

@@ -3,23 +3,23 @@
  * Licensed under the GPL
  */
 
-#include "linux/delay.h"
-#include "linux/mm.h"
-#include "linux/module.h"
-#include "linux/seq_file.h"
-#include "linux/string.h"
-#include "linux/utsname.h"
-#include "asm/pgtable.h"
-#include "asm/processor.h"
-#include "asm/setup.h"
-#include "arch.h"
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/seq_file.h>
+#include <linux/string.h>
+#include <linux/utsname.h>
+#include <asm/pgtable.h>
+#include <asm/processor.h>
+#include <asm/setup.h>
 #include "as-layout.h"
+#include "arch.h"
 #include "init.h"
 #include "kern.h"
 #include "kern_util.h"
 #include "mem_user.h"
 #include "os.h"
-#include "skas.h"
 
 #define DEFAULT_COMMAND_LINE "root=98:0"
 

arch/um/kernel/umid.c

@@ -1,13 +1,12 @@
 /*
- * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
  * Licensed under the GPL
  */
 
-#include "asm/errno.h"
+#include <asm/errno.h>
 #include "init.h"
-#include "os.h"
 #include "kern.h"
-#include "linux/kernel.h"
+#include "os.h"
 
 /* Changed by set_umid_arg */
 static int umid_inited = 0;