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-rw-r--r--arch/i386/kernel/traps.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index 207ea8ba7169..e458463ebc05 100644
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -27,6 +27,7 @@
27#include <linux/ptrace.h> 27#include <linux/ptrace.h>
28#include <linux/utsname.h> 28#include <linux/utsname.h>
29#include <linux/kprobes.h> 29#include <linux/kprobes.h>
30#include <linux/kexec.h>
30 31
31#ifdef CONFIG_EISA 32#ifdef CONFIG_EISA
32#include <linux/ioport.h> 33#include <linux/ioport.h>
@@ -294,6 +295,9 @@ bug:
294 printk("Kernel BUG\n"); 295 printk("Kernel BUG\n");
295} 296}
296 297
298/* This is gone through when something in the kernel
299 * has done something bad and is about to be terminated.
300*/
297void die(const char * str, struct pt_regs * regs, long err) 301void die(const char * str, struct pt_regs * regs, long err)
298{ 302{
299 static struct { 303 static struct {
@@ -341,6 +345,10 @@ void die(const char * str, struct pt_regs * regs, long err)
341 bust_spinlocks(0); 345 bust_spinlocks(0);
342 die.lock_owner = -1; 346 die.lock_owner = -1;
343 spin_unlock_irq(&die.lock); 347 spin_unlock_irq(&die.lock);
348
349 if (kexec_should_crash(current))
350 crash_kexec(regs);
351
344 if (in_interrupt()) 352 if (in_interrupt())
345 panic("Fatal exception in interrupt"); 353 panic("Fatal exception in interrupt");
346 354
@@ -570,6 +578,15 @@ void die_nmi (struct pt_regs *regs, const char *msg)
570 console_silent(); 578 console_silent();
571 spin_unlock(&nmi_print_lock); 579 spin_unlock(&nmi_print_lock);
572 bust_spinlocks(0); 580 bust_spinlocks(0);
581
582 /* If we are in kernel we are probably nested up pretty bad
583 * and might aswell get out now while we still can.
584 */
585 if (!user_mode(regs)) {
586 current->thread.trap_no = 2;
587 crash_kexec(regs);
588 }
589
573 do_exit(SIGSEGV); 590 do_exit(SIGSEGV);
574} 591}
575 592