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Diffstat (limited to 'arch/i386/kernel/traps.c')
-rw-r--r--arch/i386/kernel/traps.c41
1 files changed, 11 insertions, 30 deletions
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index 68de48e498ca..2b30dbf8d117 100644
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -30,6 +30,7 @@
#include <linux/unwind.h>
#include <linux/uaccess.h>
#include <linux/nmi.h>
+#include <linux/bug.h>
#ifdef CONFIG_EISA
#include <linux/ioport.h>
@@ -420,43 +421,22 @@ void show_registers(struct pt_regs *regs)
printk("\n");
}
-static void handle_BUG(struct pt_regs *regs)
+int is_valid_bugaddr(unsigned long eip)
{
- unsigned long eip = regs->eip;
unsigned short ud2;
if (eip < PAGE_OFFSET)
- return;
+ return 0;
if (probe_kernel_address((unsigned short *)eip, ud2))
- return;
- if (ud2 != 0x0b0f)
- return;
-
- printk(KERN_EMERG "------------[ cut here ]------------\n");
-
-#ifdef CONFIG_DEBUG_BUGVERBOSE
- do {
- unsigned short line;
- char *file;
- char c;
-
- if (probe_kernel_address((unsigned short *)(eip + 2), line))
- break;
- if (probe_kernel_address((char **)(eip + 4), file) ||
- (unsigned long)file < PAGE_OFFSET ||
- probe_kernel_address(file, c))
- file = "<bad filename>";
+ return 0;
- printk(KERN_EMERG "kernel BUG at %s:%d!\n", file, line);
- return;
- } while (0);
-#endif
- printk(KERN_EMERG "Kernel BUG at [verbose debug info unavailable]\n");
+ return ud2 == 0x0b0f;
}
-/* This is gone through when something in the kernel
- * has done something bad and is about to be terminated.
-*/
+/*
+ * This is gone through when something in the kernel has done something bad and
+ * is about to be terminated.
+ */
void die(const char * str, struct pt_regs * regs, long err)
{
static struct {
@@ -488,7 +468,8 @@ void die(const char * str, struct pt_regs * regs, long err)
unsigned long esp;
unsigned short ss;
- handle_BUG(regs);
+ report_bug(regs->eip);
+
printk(KERN_EMERG "%s: %04lx [#%d]\n", str, err & 0xffff, ++die_counter);
#ifdef CONFIG_PREEMPT
printk(KERN_EMERG "PREEMPT ");