[Sound-open-firmware] [PATCH v3 2/2] Do not check trace buffer fullness while a

Liam Girdwood liam.r.girdwood at linux.intel.com
Tue Dec 5 22:21:59 CET 2017


On Tue, 2017-12-05 at 18:46 +0800, yan.wang at linux.intel.com wrote:
> From: Yan Wang <yan.wang at linux.intel.com>
> 
> The purpose of checking half fullness is sending trace data as soon
> as 
> possible. It will avoid local DMA trace buffer full and unsent trace
> data 
> overwritten.
> If DMA trace copying is running currently, it is unnecessary to
> checking 
> half fullness local DMA trace buffer.
> 
> The following is implementation details:
> 1. Add one flag in DMA trace data strcuture.
> 2. Set/unset this flag in trace_work() callback.
> 3. Add checking for this flag in dtrace_event().
> 
> Signed-off-by: Yan Wang <yan.wang at linux.intel.com>
> ---
> 
Applied and rewrote subject.


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