>From ac499cd340bf2ba47b3d1dd129a3bb7527c195ae Mon Sep 17 00:00:00 2001
From: Jovi Zhang <bookj...@gmail.com>
Date: Fri, 25 Jan 2013 18:03:07 +0800
Subject: [PATCH] tracing: fix twice trace iterator init
trace iterator is already inited in trace_init_global_iter,
so there don't need to assign again.
Signed-off-by: Jovi Zhang <bookj...@gmail.com>
---
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 e512567..8d99728 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -5005,6 +5005,7 @@ __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) {
@@ -5016,10 +5017,6 @@ __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;
--
1.7.9.7
--
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