[IA64] honor notify_die() returning NOTIFY_STOP

This requires making die() and die_if_kernel() return a value, and their
callers to honor this (and be prepared that it returns).

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/arch/ia64/ia32/ia32_support.c b/arch/ia64/ia32/ia32_support.c
index d1d50cd..896b1eb 100644
--- a/arch/ia64/ia32/ia32_support.c
+++ b/arch/ia64/ia32/ia32_support.c
@@ -27,7 +27,7 @@
 
 #include "ia32priv.h"
 
-extern void die_if_kernel (char *str, struct pt_regs *regs, long err);
+extern int die_if_kernel (char *str, struct pt_regs *regs, long err);
 
 struct exec_domain ia32_exec_domain;
 struct page *ia32_shared_page[NR_CPUS];
@@ -217,7 +217,8 @@
 {
 	siginfo_t siginfo;
 
-	die_if_kernel("Bad IA-32 interrupt", regs, int_num);
+	if (die_if_kernel("Bad IA-32 interrupt", regs, int_num))
+		return;
 
 	siginfo.si_signo = SIGTRAP;
 	siginfo.si_errno = int_num;	/* XXX is it OK to abuse si_errno like this? */