linux-kernel - [tip:perf/core] tracing: Remove second iterator initializer

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Date:	Sun, 3 Feb 2013 11:19:14 -0800
From:	tip-bot for Jovi Zhang <bookjovi@...il.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	rostedt@...dmis.org, tglx@...utronix.de, bookjovi@...il.com
Subject: [tip:perf/core] tracing: Remove second iterator initializer

Commit-ID:  38dbe0b137bfe6ea92be495017885c0785179a02
Gitweb:     http://git.kernel.org/tip/38dbe0b137bfe6ea92be495017885c0785179a02
Author:     Jovi Zhang <bookjovi@...il.com>
AuthorDate: Fri, 25 Jan 2013 18:03:07 +0800
Committer:  Steven Rostedt <rostedt@...dmis.org>
CommitDate: Tue, 29 Jan 2013 09:57:49 -0500

tracing: Remove second iterator initializer

The trace iterator is already initialized by trace_init_global_iter(),
so there is no need to initialize it again.

Link: http://lkml.kernel.org/r/CACV3sb+G1YnO6168JhY3dEadmJi58pA5-2cSZT8E0WVHJNFt9Q@mail.gmail.com

Signed-off-by: Jovi Zhang <bookjovi@...il.com>
Signed-off-by: Steven Rostedt <rostedt@...dmis.org>
---
 kernel/trace/trace.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 07888e1..d399592 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -5030,6 +5030,7 @@ __ftrace_dump(bool disable_tracing, enum ftrace_dump_mode oops_dump_mode)
 	if (disable_tracing)
 		ftrace_kill();
 
+	/* Simulate the iterator */
 	trace_init_global_iter(&iter);
 
 	for_each_tracing_cpu(cpu) {
@@ -5041,10 +5042,6 @@ __ftrace_dump(bool disable_tracing, enum ftrace_dump_mode oops_dump_mode)
 	/* don't look at user memory in panic mode */
 	trace_flags &= ~TRACE_ITER_SYM_USEROBJ;
 
-	/* Simulate the iterator */
-	iter.tr = &global_trace;
-	iter.trace = current_trace;
-
 	switch (oops_dump_mode) {
 	case DUMP_ALL:
 		iter.cpu_file = TRACE_PIPE_ALL_CPU;
--
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