linux-kernel - [PATCH v10 12/12] tracing: define trace_dump_stack() if !CONFIG

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Date:	Thu, 10 Oct 2013 19:48:36 -0500
From:	Tom Zanussi <tom.zanussi@...ux.intel.com>
To:	rostedt@...dmis.org
Cc:	masami.hiramatsu.pt@...achi.com, linux-kernel@...r.kernel.org,
	Tom Zanussi <tom.zanussi@...ux.intel.com>
Subject: [PATCH v10 12/12] tracing: define trace_dump_stack() if !CONFIG_STACKTRACE

If CONFIG_STACKTRACE is turned off, trace_dump_stack() isn't defined,
resulting in an 'undefined reference' error - define a stub to remedy
that.

Signed-off-by: Tom Zanussi <tom.zanussi@...ux.intel.com>
---
 kernel/trace/trace.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 81d95bf..3eca804 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -1879,6 +1879,8 @@ static void __trace_userstack(struct trace_array *tr, unsigned long flags)
 }
 #endif /* UNUSED */
 
+#else
+void trace_dump_stack(int skip) {}
 #endif /* CONFIG_STACKTRACE */
 
 /* created for use with alloc_percpu */
-- 
1.7.11.4

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