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>

14 files changed, 122 insertions, 133 deletions

diff --git a/arch/um/kernel/exitcode.c b/arch/um/kernel/exitcode.c
index c716b5a6db13..984f80e668ca 100644
--- a/arch/um/kernel/exitcode.c
+++ b/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;
@@ -19,18 +21,19 @@ 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;
         len = sprintf(page, "%d\n", val);
         len -= off;
-        if(len <= off+count)
+        if (len <= off+count)
                 *eof = 1;
         *start = page + off;
-        if(len > count)
+        if (len > count)
                 len = count;
-        if(len < 0)
+        if (len < 0)
                 len = 0;
         return len;
 }
@@ -41,11 +44,11 @@ static int write_proc_exitcode(struct file *file, const char __user *buffer,
         char *end, buf[sizeof("nnnnn\0")];
         int tmp;
 
-        if(copy_from_user(buf, buffer, count))
+        if (copy_from_user(buf, buffer, count))
                 return -EFAULT;
 
         tmp = simple_strtol(buf, &end, 0);
-        if((*end != '\0') && !isspace(*end))
+        if ((*end != '\0') && !isspace(*end))
                 return -EINVAL;
 
         uml_exitcode = tmp;
@@ -57,7 +60,7 @@ static int make_proc_exitcode(void)
         struct proc_dir_entry *ent;
 
         ent = create_proc_entry("exitcode", 0600, &proc_root);
-        if(ent == NULL){
+        if (ent == NULL) {
                 printk(KERN_WARNING "make_proc_exitcode : Failed to register "
                        "/proc/exitcode\n");
                 return 0;
diff --git a/arch/um/kernel/gmon_syms.c b/arch/um/kernel/gmon_syms.c
index 734f873cab12..72eccd2a4113 100644
--- a/arch/um/kernel/gmon_syms.c
+++ b/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));
diff --git a/arch/um/kernel/gprof_syms.c b/arch/um/kernel/gprof_syms.c
index 9244f018d44c..e2f043d0de6c 100644
--- a/arch/um/kernel/gprof_syms.c
+++ b/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:
- */
diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
index e6d89ad10a71..c07961bedb75 100644
--- a/arch/um/kernel/process.c
+++ b/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"
@@ -40,7 +42,7 @@ int pid_to_processor_id(int pid)
 {
         int i;
 
-        for(i = 0; i < ncpus; i++) {
+        for (i = 0; i < ncpus; i++) {
                 if (cpu_tasks[i].pid == pid)
                         return i;
         }
@@ -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;
@@ -232,7 +235,7 @@ void default_idle(void)
 {
         unsigned long long nsecs;
 
-        while(1) {
+        while (1) {
                 /* endless idle loop with no priority at all */
 
                 /*
@@ -387,7 +390,7 @@ int singlestepping(void * t)
 {
         struct task_struct *task = t ? t : current;
 
-        if ( ! (task->ptrace & PT_DTRACE) )
+        if (!(task->ptrace & PT_DTRACE))
                 return 0;
 
         if (task->thread.singlestep_syscall)
diff --git a/arch/um/kernel/reboot.c b/arch/um/kernel/reboot.c
index 1ce49cd8aca3..00197d3d21ec 100644
--- a/arch/um/kernel/reboot.c
+++ b/arch/um/kernel/reboot.c
@@ -12,7 +12,7 @@ void (*pm_power_off)(void);
 
 static void kill_off_processes(void)
 {
-        if(proc_mm)
+        if (proc_mm)
                 /*
                  * FIXME: need to loop over userspace_pids
                  */
@@ -22,8 +22,8 @@ static void kill_off_processes(void)
                 int pid, me;
 
                 me = os_getpid();
-                for_each_process(p){
-                        if(p->mm == NULL)
+                for_each_process(p) {
+                        if (p->mm == NULL)
                                 continue;
 
                         pid = p->mm->context.id.u.pid;
diff --git a/arch/um/kernel/sigio.c b/arch/um/kernel/sigio.c
index 89f9866a1354..2b272b63b514 100644
--- a/arch/um/kernel/sigio.c
+++ b/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;
@@ -33,9 +27,9 @@ int write_sigio_irq(int fd)
         err = um_request_irq(SIGIO_WRITE_IRQ, fd, IRQ_READ, sigio_interrupt,
                              IRQF_DISABLED|IRQF_SAMPLE_RANDOM, "write sigio",
                              NULL);
-        if(err){
-                printk("write_sigio_irq : um_request_irq failed, err = %d\n",
-                       err);
+        if (err) {
+                printk(KERN_ERR "write_sigio_irq : um_request_irq failed, "
+                       "err = %d\n", err);
                 return -1;
         }
         sigio_irq_fd = fd;
diff --git a/arch/um/kernel/signal.c b/arch/um/kernel/signal.c
index 19cb97733937..b0fce720c4d0 100644
--- a/arch/um/kernel/signal.c
+++ b/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"
@@ -36,7 +36,7 @@ static int handle_signal(struct pt_regs *regs, unsigned long signr,
         /* Did we come from a system call? */
         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;
@@ -116,7 +116,7 @@ static int kern_do_signal(struct pt_regs *regs)
         /* Did we come from a system call? */
         if (!handled_sig && (PT_REGS_SYSCALL_NR(regs) >= 0)) {
                 /* Restart the system call - no handlers present */
-                switch(PT_REGS_SYSCALL_RET(regs)) {
+                switch (PT_REGS_SYSCALL_RET(regs)) {
                 case -ERESTARTNOHAND:
                 case -ERESTARTSYS:
                 case -ERESTARTNOINTR:
diff --git a/arch/um/kernel/smp.c b/arch/um/kernel/smp.c
index 869ac6802209..e1062ec36d40 100644
--- a/arch/um/kernel/smp.c
+++ b/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");
         }
 }
 
diff --git a/arch/um/kernel/sysrq.c b/arch/um/kernel/sysrq.c
index 93263571d813..56d43d0a3960 100644
--- a/arch/um/kernel/sysrq.c
+++ b/arch/um/kernel/sysrq.c
@@ -1,38 +1,37 @@
-/* 
- * 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. */
 #if !defined(CONFIG_UML_X86) || defined(CONFIG_64BIT)
 void show_trace(struct task_struct *task, unsigned long * stack)
 {
-        unsigned long addr;
+        unsigned long addr;
 
-        if (!stack) {
+        if (!stack) {
                 stack = (unsigned long*) &stack;
                 WARN_ON(1);
         }
 
-        printk("Call Trace: \n");
-        while (((long) stack & (THREAD_SIZE-1)) != 0) {
-                addr = *stack;
+        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");
-                }
-                stack++;
-        }
-        printk("\n");
+                        printk(KERN_INFO "%08lx:  [<%08lx>]",
+                               (unsigned long) stack, addr);
+                        print_symbol(KERN_CONT " %s", addr);
+                        printk(KERN_CONT "\n");
+                }
+                stack++;
+        }
+        printk(KERN_INFO "\n");
 }
 #endif
 
@@ -67,14 +66,13 @@ void show_stack(struct task_struct *task, unsigned long *esp)
         }
 
         stack = esp;
-        for(i = 0; i < kstack_depth_to_print; i++) {
+        for (i = 0; i < kstack_depth_to_print; i++) {
                 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);
 }
diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c
index 1ac746a9eae1..e066e84493b1 100644
--- a/arch/um/kernel/time.c
+++ b/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"
 
@@ -32,7 +32,7 @@ void timer_handler(int sig, struct uml_pt_regs *regs)
 static void itimer_set_mode(enum clock_event_mode mode,
                             struct clock_event_device *evt)
 {
-        switch(mode) {
+        switch (mode) {
         case CLOCK_EVT_MODE_PERIODIC:
                 set_interval();
                 break;
diff --git a/arch/um/kernel/tlb.c b/arch/um/kernel/tlb.c
index 0b6a77def311..d175d0566af0 100644
--- a/arch/um/kernel/tlb.c
+++ b/arch/um/kernel/tlb.c
@@ -57,7 +57,7 @@ static int do_ops(struct host_vm_change *hvc, int end,
 
         for (i = 0; i < end && !ret; i++) {
                 op = &hvc->ops[i];
-                switch(op->type) {
+                switch (op->type) {
                 case MMAP:
                         ret = map(hvc->id, op->u.mmap.addr, op->u.mmap.len,
                                   op->u.mmap.prot, op->u.mmap.fd,
diff --git a/arch/um/kernel/uaccess.c b/arch/um/kernel/uaccess.c
index d7436aacd26f..f0f4b040d7c5 100644
--- a/arch/um/kernel/uaccess.c
+++ b/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);
 }
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index cb7eef833bc8..468aba990dbd 100644
--- a/arch/um/kernel/um_arch.c
+++ b/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"
 
@@ -201,7 +201,7 @@ static void __init uml_checksetup(char *line, int *add)
         struct uml_param *p;
 
         p = &__uml_setup_start;
-        while(p < &__uml_setup_end) {
+        while (p < &__uml_setup_end) {
                 int n;
 
                 n = strlen(p->str);
@@ -216,7 +216,7 @@ static void __init uml_postsetup(void)
         initcall_t *p;
 
         p = &__uml_postsetup_start;
-        while(p < &__uml_postsetup_end) {
+        while (p < &__uml_postsetup_end) {
                 (*p)();
                 p++;
         }
diff --git a/arch/um/kernel/umid.c b/arch/um/kernel/umid.c
index 039e16efcd55..81e07e2be3ae 100644
--- a/arch/um/kernel/umid.c
+++ b/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;
@@ -16,16 +15,16 @@ static int __init set_umid_arg(char *name, int *add)
 {
         int err;
 
-        if(umid_inited){
+        if (umid_inited) {
                 printf("umid already set\n");
                 return 0;
         }
 
         *add = 0;
         err = set_umid(name);
-        if(err == -EEXIST)
+        if (err == -EEXIST)
                 printf("umid '%s' already in use\n", name);
-        else if(!err)
+        else if (!err)
                 umid_inited = 1;
 
         return 0;