tree c3f53f213dc64f3d959d14956a5273f6e4bb5e7e
parent c5ff734462b1d32f793db717ef222cd05e6232d5
author Mathieu Poirier <mathieu.poirier@linaro.org> 1556221987 -0600
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1556222418 +0200

coresight: tmc-etr: Allocate and free ETR memory buffers for CPU-wide scenarios

This patch uses the PID of the process being traced to allocate and free
ETR memory buffers for CPU-wide scenarios.  The implementation is tailored
to handle both N:1 and 1:1 source/sink HW topologies.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
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>