Re: [PATCH] coresight: always use stashed trace id value in etm4_trace_id

2016-06-21 Thread Mathieu Poirier
On 21 June 2016 at 11:32, Sudeep Holla wrote: > > > On 21/06/16 18:05, Mathieu Poirier wrote: >> >> On 20 June 2016 at 08:25, Sudeep Holla wrote: >>> >>> etm4_trace_id is not guaranteed to be executed on the CPU whose ETM is >>> being accessed. This leads to exception similar to below one if the

Re: [PATCH] coresight: always use stashed trace id value in etm4_trace_id

2016-06-21 Thread Sudeep Holla
On 21/06/16 18:05, Mathieu Poirier wrote: On 20 June 2016 at 08:25, Sudeep Holla wrote: etm4_trace_id is not guaranteed to be executed on the CPU whose ETM is being accessed. This leads to exception similar to below one if the CPU whose ETM is being accessed is in deeper idle states. So it mu

Re: [PATCH] coresight: always use stashed trace id value in etm4_trace_id

2016-06-21 Thread Mathieu Poirier
On 20 June 2016 at 08:25, Sudeep Holla wrote: > etm4_trace_id is not guaranteed to be executed on the CPU whose ETM is > being accessed. This leads to exception similar to below one if the > CPU whose ETM is being accessed is in deeper idle states. So it must > be executed on the CPU whose ETM is