tree a202353e4e365ae29c5bf95ca33eacd8eb4dfb54
parent eb1871f34358024acfa3523ef375ef14b7527173
author Steven Rostedt <srostedt@redhat.com> 1236917572 -0400
committer Steven Rostedt <srostedt@redhat.com> 1236917746 -0400

tracing: add comment for use of double __builtin_consant_p

Impact: documentation

The use of the double __builtin_contant_p checks in the event_trace_printk
can be confusing to developers and reviewers. This patch adds a comment
to explain why it is there.

Requested-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
LKML-Reference: <20090313122235.43EB.A69D9226@jp.fujitsu.com>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>