Re: [PATCH 10/11] coresight: tmc-etr: Add transparent buffer management

2018-05-24 Thread Mathieu Poirier
On Fri, May 18, 2018 at 05:39:26PM +0100, Suzuki K Poulose wrote: > At the moment we always use contiguous memory for TMC ETR tracing > when used from sysfs. The size of the buffer is fixed at boot time > and can only be changed by modifiying the DT. With the introduction > of SG support we could s

[PATCH 10/11] coresight: tmc-etr: Add transparent buffer management

2018-05-18 Thread Suzuki K Poulose
At the moment we always use contiguous memory for TMC ETR tracing when used from sysfs. The size of the buffer is fixed at boot time and can only be changed by modifiying the DT. With the introduction of SG support we could support really large buffers in that mode. This patch abstracts the buffer