From: Jovi Zhang <[email protected]> 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+g1yno6168jhy3deadmji58pa5-2cszt8e0wvhjnf...@mail.gmail.com Signed-off-by: Jovi Zhang <[email protected]> Signed-off-by: Steven Rostedt <[email protected]> --- 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; -- 1.7.10.4
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