unimore/kernel-hacking-2024-linux-steffo
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tracing: Remove second iterator initializer

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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@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Jovi Zhang 2013-01-25 18:03:07 +08:00 committed by Steven Rostedt
parent 821465295b
commit 38dbe0b137
1 changed files with 1 additions and 4 deletions
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5
kernel/trace/trace.c
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@ -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;