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(parent: 850cc52) | patch
tracing: add comment for use of double __builtin_consant_p
authorSteven Rostedt <srostedt@redhat.com>
Fri, 13 Mar 2009 04:12:52 +0000 (00:12 -0400)
committerSteven Rostedt <srostedt@redhat.com>
Fri, 13 Mar 2009 04:15:46 +0000 (00:15 -0400)
commit0f6d8f971944c02ab69d136abe71c38555d026f7
treea202353e4e365ae29c5bf95ca33eacd8eb4dfb54tree | snapshot
parent850cc52975fb9cb16f48daadba19f25ca7c712d3commit | diff
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>
kernel/trace/trace.h diff | blob | history
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