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SubjectRe: [PATCH] trace: Use tracing_reset_online_cpus in more places

* Frédéric Weisbecker <fweisbec@gmail.com> wrote:

> 2009/1/28 Arnaldo Carvalho de Melo <acme@ghostprotocols.net>:
> > Impact: cleanup
> >
> > Cc: Frédéric Weisbecker <fweisbec@gmail.com>
> > Cc: Steven Rostedt <rostedt@goodmis.org>
> > Cc: Ingo Molnar <mingo@elte.hu>
> > Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
> >
> > diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c
> > index ca017e0..1284145 100644
> > --- a/kernel/trace/trace_branch.c
> > +++ b/kernel/trace/trace_branch.c
> > @@ -133,11 +133,7 @@ static void stop_branch_trace(struct trace_array *tr)
> >
> > static int branch_trace_init(struct trace_array *tr)
> > {
> > - int cpu;
> > -
> > - for_each_online_cpu(cpu)
> > - tracing_reset(tr, cpu);
> > -
> > + tracing_reset_online_cpus(tr);
> > start_branch_trace(tr);
> > return 0;
> > }
> > diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
> > index 66fc7b8..c97594d 100644
> > --- a/kernel/trace/trace_functions_graph.c
> > +++ b/kernel/trace/trace_functions_graph.c
> > @@ -52,15 +52,11 @@ static struct tracer_flags tracer_flags = {
> >
> > static int graph_trace_init(struct trace_array *tr)
> > {
> > - int cpu, ret;
> > -
> > - for_each_online_cpu(cpu)
> > - tracing_reset(tr, cpu);
> > -
> > - ret = register_ftrace_graph(&trace_graph_return,
> > + int ret = register_ftrace_graph(&trace_graph_return,
> > &trace_graph_entry);
> > if (ret)
> > return ret;
> > + tracing_reset_online_cpus(tr);
> > tracing_start_cmdline_record();
> >
> > return 0;
> > diff --git a/kernel/trace/trace_nop.c b/kernel/trace/trace_nop.c
> > index b9767ac..087b6cb 100644
> > --- a/kernel/trace/trace_nop.c
> > +++ b/kernel/trace/trace_nop.c
> > @@ -47,12 +47,8 @@ static void stop_nop_trace(struct trace_array *tr)
> >
> > static int nop_trace_init(struct trace_array *tr)
> > {
> > - int cpu;
> > ctx_trace = tr;
> > -
> > - for_each_online_cpu(cpu)
> > - tracing_reset(tr, cpu);
> > -
> > + tracing_reset_online_cpus(tr);
> > start_nop_trace(tr);
> > return 0;
> > }
> >
>
> Thanks :-)
>
> Acked-by: Frederic Weisbecker <fweisbec@gmail.com>

Applied to tip/tracing/ftrace (with your Ack added), thanks guys!

Ingo
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