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-rw-r--r--arch/i386/Kconfig5
-rw-r--r--arch/i386/kernel/module.c4
-rw-r--r--arch/i386/kernel/traps.c41
-rw-r--r--arch/i386/kernel/vmlinux.lds.S2
4 files changed, 21 insertions, 31 deletions
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index ea70359b02d..c2362c7ba74 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -49,6 +49,11 @@ config GENERIC_IOMAP
bool
default y
+config GENERIC_BUG
+ bool
+ default y
+ depends on BUG
+
config GENERIC_HWEIGHT
bool
default y
diff --git a/arch/i386/kernel/module.c b/arch/i386/kernel/module.c
index d7d9c8b23f7..3db0a5442eb 100644
--- a/arch/i386/kernel/module.c
+++ b/arch/i386/kernel/module.c
@@ -21,6 +21,7 @@
#include <linux/fs.h>
#include <linux/string.h>
#include <linux/kernel.h>
+#include <linux/bug.h>
#if 0
#define DEBUGP printk
@@ -141,10 +142,11 @@ int module_finalize(const Elf_Ehdr *hdr,
apply_paravirt(pseg, pseg + para->sh_size);
}
- return 0;
+ return module_bug_finalize(hdr, sechdrs, me);
}
void module_arch_cleanup(struct module *mod)
{
alternatives_smp_module_del(mod);
+ module_bug_cleanup(mod);
}
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index 68de48e498c..2b30dbf8d11 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 ");
diff --git a/arch/i386/kernel/vmlinux.lds.S b/arch/i386/kernel/vmlinux.lds.S
index 56e6ad5cb04..16d3c7133ad 100644
--- a/arch/i386/kernel/vmlinux.lds.S
+++ b/arch/i386/kernel/vmlinux.lds.S
@@ -57,6 +57,8 @@ SECTIONS
RODATA
+ BUG_TABLE
+
. = ALIGN(4);
.tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) {
__tracedata_start = .;