tracing: Make hash-ptr option default

Since the original behavior of the trace events is to hash the %p pointers,
make that the default, and have developers have to enable the option in
order to have them unhashed.

Cc: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

kernel/trace/trace.c

@@ -408,7 +408,8 @@ EXPORT_SYMBOL_GPL(unregister_ftrace_export);
 	 TRACE_ITER_PRINT_PARENT | TRACE_ITER_PRINTK |			\
 	 TRACE_ITER_ANNOTATE | TRACE_ITER_CONTEXT_INFO |		\
 	 TRACE_ITER_RECORD_CMD | TRACE_ITER_OVERWRITE |			\
-	 TRACE_ITER_IRQ_INFO | TRACE_ITER_MARKERS)
+	 TRACE_ITER_IRQ_INFO | TRACE_ITER_MARKERS |			\
+	 TRACE_ITER_HASH_PTR)
 
 /* trace_options that are only supported by global_trace */
 #define TOP_LEVEL_TRACE_FLAGS (TRACE_ITER_PRINTK |			\