ia64: Send SIGILL for break operands in range 0x3f000 to 0x3ffff to

simplify dynamic bundle patching.

arch/ia64/kernel/traps.c

@@ -186,6 +186,10 @@ ia64_bad_break (unsigned long break_num, struct pt_regs *regs)
 		sig = SIGSEGV; code = __SEGV_PSTKOVF;
 		break;
 
+	      case 0x3f000 ... 0x3ffff:	/* bundle-update in progress */
+		sig = SIGILL; code = __ILL_BNDMOD;
+		break;
+
 	      default:
 		if (break_num < 0x40000 || break_num > 0x100000)
 			die_if_kernel("Bad break", regs, break_num);

include/asm-ia64/siginfo.h

@@ -154,7 +154,8 @@ typedef struct siginfo {
 #define ILL_BADSTK	(__SI_FAULT|8)	/* internal stack error */
 #define ILL_BADIADDR	(__SI_FAULT|9)	/* unimplemented instruction address */
 #define __ILL_BREAK	(__SI_FAULT|10)	/* illegal break */
-#define NSIGILL		10
+#define __ILL_BNDMOD	(__SI_FAULT|11)	/* bundle-update (modification) in progress */
+#define NSIGILL		11
 
 /*
  * SIGFPE si_codes