arm64/kprobes: Don't call the ->break_handler() in arm64 kprobes code

Don't call the ->break_handler() from the arm64 kprobes code,
because it was only used by jprobes which got removed.

Signed-off-by: Masami Hiramatsu <[e-mail]>
Acked-by: Thomas Gleixner <[e-mail]>
Acked-by: Will Deacon <[e-mail]>
Cc: Ananth N Mavinakayanahalli <[e-mail]>
Cc: Andrew Morton <[e-mail]>
Cc: Catalin Marinas <[e-mail]>
Cc: Linus Torvalds <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Steven Rostedt <[e-mail]>
Cc: [e-mail]
Cc: [e-mail]
Link: https://lore.kernel.org/lkml/152942474231.15209.17684808374429473004.stgit@devbox
Signed-off-by: Ingo Molnar <[e-mail]>

arch/arm64/kernel/probes/kprobes.c

···
 				return;
 			}
 		}
-	} else if ((le32_to_cpu(*(kprobe_opcode_t *) addr) ==
-	    BRK64_OPCODE_KPROBES) && cur_kprobe) {
-		/* We probably hit a jprobe.  Call its break handler. */
-		if (cur_kprobe->break_handler  &&
-		     cur_kprobe->break_handler(cur_kprobe, regs)) {
-			setup_singlestep(cur_kprobe, regs, kcb, 0);
-			return;
-		}
 	}
 	/*
 	 * The breakpoint instruction was removed right