projects / platform / kernel / linux-rpi.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: ef848e4) | patch
coresight: tmc-etr: Introduce the notion of reference counting to ETR devices
authorMathieu Poirier <mathieu.poirier@linaro.org>
Thu, 25 Apr 2019 19:53:05 +0000 (13:53 -0600)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 25 Apr 2019 20:00:18 +0000 (22:00 +0200)
commit57549999b9a0d0c72900d2413ef1e3168bd2e817
treee4ddd36976b85826122166c2837a7f20a9bb49c5tree | snapshot
parentef848e463ac9052be620757579cfa0aa975e97eacommit | diff
coresight: tmc-etr: Introduce the notion of reference counting to ETR devices

This patch adds reference counting to struct etr_buf so that, in CPU-wide
trace scenarios, shared buffers can be disposed of when no longer used.

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>
drivers/hwtracing/coresight/coresight-tmc-etr.c diff | blob | history
drivers/hwtracing/coresight/coresight-tmc.h diff | blob | history
Domain: System / Kernel;