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coresight: perf: Refactor function free_event_data()
Function free_event_data() is already busy and is bound to become worse with the addition of CPU-wide trace scenarios. As such spin off a new function to strickly take care of the sink buffers. Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com> Tested-by: Leo Yan <leo.yan@linaro.org> Tested-by: Robert Walker <robert.walker@arm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -120,22 +120,34 @@ out:
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return ret;
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}
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static void free_sink_buffer(struct etm_event_data *event_data)
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{
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int cpu;
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cpumask_t *mask = &event_data->mask;
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struct coresight_device *sink;
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if (WARN_ON(cpumask_empty(mask)))
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return;
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if (!event_data->snk_config)
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return;
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cpu = cpumask_first(mask);
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sink = coresight_get_sink(etm_event_cpu_path(event_data, cpu));
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sink_ops(sink)->free_buffer(event_data->snk_config);
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}
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static void free_event_data(struct work_struct *work)
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{
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int cpu;
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cpumask_t *mask;
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struct etm_event_data *event_data;
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struct coresight_device *sink;
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event_data = container_of(work, struct etm_event_data, work);
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mask = &event_data->mask;
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/* Free the sink buffers, if there are any */
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if (event_data->snk_config && !WARN_ON(cpumask_empty(mask))) {
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cpu = cpumask_first(mask);
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sink = coresight_get_sink(etm_event_cpu_path(event_data, cpu));
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sink_ops(sink)->free_buffer(event_data->snk_config);
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}
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free_sink_buffer(event_data);
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for_each_cpu(cpu, mask) {
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struct list_head **ppath;
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