[ARM] Add ability to dump exception stacks to kernel backtraces

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index 9fd6d2e..fa2d107 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -438,7 +438,7 @@
 /*
  * Dispatch a data abort to the relevant handler.
  */
-asmlinkage void
+asmlinkage void __exception
 do_DataAbort(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
 {
 	const struct fsr_info *inf = fsr_info + (fsr & 15) + ((fsr & (1 << 10)) >> 6);
@@ -457,7 +457,7 @@
 	notify_die("", regs, &info, fsr, 0);
 }
 
-asmlinkage void
+asmlinkage void __exception
 do_PrefetchAbort(unsigned long addr, struct pt_regs *regs)
 {
 	do_translation_fault(addr, 0, regs);