Mathieu Poirier 880af782c6 coresight: tmc-etf: Add support for CPU-wide trace scenarios ... This patch adds support for CPU-wide trace scenarios by making sure that only the sources monitoring the same process have access to a common sink. Because the sink is shared between sources, the first source to use the sink switches it on while the last one does the cleanup. Any attempt to modify the HW is overlooked for as long as more than one source is using a sink. 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>		2019-04-25 22:00:18 +02:00
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coresight	coresight: tmc-etf: Add support for CPU-wide trace scenarios	2019-04-25 22:00:18 +02:00
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