On Fri, 6 Oct 2023 14:14:52 +0100, James Clark wrote:
Partially revert the change in commit 6148652807ba ("coresight: Enable and disable helper devices adjacent to the path") which changed the bare call from source_ops(csdev)->enable() to coresight_enable_source() for Perf sessions. It was missed that coresight_enable_source() is specifically for the sysfs interface, rather than being a generic call. This interferes with the sysfs reference counting to cause the following crash:
[...]
Applied, thanks!
[1/1] coresight: Fix crash when Perf and sysfs modes are used concurrently https://git.kernel.org/coresight/c/078dbba3f0c9
Best regards,