X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Farm26%2Fkernel%2Ftraps.c;h=7a297db05b5efd07705ab6ed5c1ba5b26924d83b;hb=refs%2Fheads%2Fvserver;hp=f0a49fec0d9ee772c79d2efe072582886a481a0e;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/arch/arm26/kernel/traps.c b/arch/arm26/kernel/traps.c
index f0a49fec0..7a297db05 100644
--- a/arch/arm26/kernel/traps.c
+++ b/arch/arm26/kernel/traps.c
@@ -1,5 +1,5 @@
 /*
- *  linux/arch/arm/kernel/traps.c
+ *  linux/arch/arm26/kernel/traps.c
  *
  *  Copyright (C) 1995-2002 Russell King
  *  Fragments that appear the same as linux/arch/i386/kernel/traps.c (C) Linus Torvalds
@@ -10,10 +10,11 @@
  * published by the Free Software Foundation.
  *
  *  'traps.c' handles hardware exceptions after we have saved some state in
- *  'linux/arch/arm/lib/traps.S'.  Mostly a debugging aid, but will probably
+ *  'linux/arch/arm26/lib/traps.S'.  Mostly a debugging aid, but will probably
  *  kill the offending process.
  */
-#include <linux/config.h>
+
+#include <linux/module.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/signal.h>
@@ -28,12 +29,11 @@
 
 #include <asm/atomic.h>
 #include <asm/io.h>
-#include <asm/pgalloc.h>
 #include <asm/pgtable.h>
 #include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 
 #include "ptrace.h"
 
@@ -131,11 +131,9 @@ static void dump_instr(struct pt_regs *regs)
 
 /*static*/ void __dump_stack(struct task_struct *tsk, unsigned long sp)
 {
-	dump_mem("Stack: ", sp, 8192+(unsigned long)tsk->thread_info);
+	dump_mem("Stack: ", sp, 8192+(unsigned long)task_stack_page(tsk));
 }
 
-EXPORT_SYMBOL(dump_stack);
-
 void dump_stack(void)
 {
 #ifdef CONFIG_DEBUG_ERRORS
@@ -143,6 +141,8 @@ void dump_stack(void)
 #endif
 }
 
+EXPORT_SYMBOL(dump_stack);
+
 //FIXME - was a static fn
 void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk)
 {
@@ -157,7 +157,7 @@ void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk)
 	} else if (verify_stack(fp)) {
 		printk("invalid frame pointer 0x%08x", fp);
 		ok = 0;
-	} else if (fp < (unsigned long)(tsk->thread_info + 1))
+	} else if (fp < (unsigned long)end_of_stack(tsk))
 		printk("frame pointer underflow");
 	printk("\n");
 
@@ -167,10 +167,10 @@ void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk)
 
 /* FIXME - this is probably wrong.. */
 void show_stack(struct task_struct *task, unsigned long *sp) {
-	dump_mem("Stack: ", (unsigned long)sp, 8192+(unsigned long)task->thread_info);
+	dump_mem("Stack: ", (unsigned long)sp, 8192+(unsigned long)task_stack_page(task));
 }
 
-spinlock_t die_lock = SPIN_LOCK_UNLOCKED;
+DEFINE_SPINLOCK(die_lock);
 
 /*
  * This function is protected against re-entrancy.
@@ -185,8 +185,9 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err)
 	printk("Internal error: %s: %x\n", str, err);
 	printk("CPU: %d\n", smp_processor_id());
 	show_regs(regs);
-	printk("Process %s (pid: %d, stack limit = 0x%p)\n",
-		current->comm, current->pid, tsk->thread_info + 1);
+	printk("Process %s (pid: %d[#%u], stack limit = 0x%p)\n",
+		current->comm, current->pid,
+		current->xid, end_of_stack(tsk));
 
 	if (!user_mode(regs) || in_interrupt()) {
 		__dump_stack(tsk, (unsigned long)(regs + 1));
@@ -206,19 +207,19 @@ void die_if_kernel(const char *str, struct pt_regs *regs, int err)
     	die(str, regs, err);
 }
 
-static DECLARE_MUTEX(undef_sem);
+static DEFINE_MUTEX(undef_mutex);
 static int (*undef_hook)(struct pt_regs *);
 
 int request_undef_hook(int (*fn)(struct pt_regs *))
 {
 	int ret = -EBUSY;
 
-	down(&undef_sem);
+	mutex_lock(&undef_mutex);
 	if (undef_hook == NULL) {
 		undef_hook = fn;
 		ret = 0;
 	}
-	up(&undef_sem);
+	mutex_unlock(&undef_mutex);
 
 	return ret;
 }
@@ -227,12 +228,12 @@ int release_undef_hook(int (*fn)(struct pt_regs *))
 {
 	int ret = -EINVAL;
 
-	down(&undef_sem);
+	mutex_lock(&undef_mutex);
 	if (undef_hook == fn) {
 		undef_hook = NULL;
 		ret = 0;
 	}
-	up(&undef_sem);
+	mutex_unlock(&undef_mutex);
 
 	return ret;
 }
@@ -425,7 +426,6 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs)
 		return 0;
 
 	case NR(usr26):
-	case NR(usr32):
 		break;
 
 	default: