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Lockdep found a problem with the lock order of the view lock and the ccw device lock. raw3270_activate_view/raw3270_deactivate_view first take the ccw device lock then call the activate/deactivate functions of the view which take view lock. The update functions of the con3270/tty3270 view will first take the view lock, then take the ccw device lock. To fix this the activate/deactivate functions are changed to avoid taking the view lock by moving the functions calls that modify the 3270 output buffer to the update function which is called by a timer. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> |
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Makefile |