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...n serialized by event->lock. List traversal & handler execution is lockless which prevents inverted lock order problems with the drm core. Safe deletion of the event handler is accomplished with synchronize_rcu() for those handlers stored in nouveau_object-based containers (nouveau_drm & nv50_/nvc0_software_context); otherwise, with kfree_rcu (for nouveau_connector & uevent temporary handlers). [1] ====================================================== [ INFO: possible circular locking dependency detected ] 3.10.0-0+tip-xeon+lockdep #0+tip Not tainted -------------------------------...

...u_connector_destroy uevent nouveau_fence_wait_uevent_handler local stack object nouveau_fence_wait_uevent returns cevent none n/a n/a vblank nouveau_drm_vblank_handler struct nouveau_drm nouveau_drm_remove vblank nv50_software_vblsem_release struct nouveau_software_chan _nouveau_engctx_dtor (call stack originates with nouveau_abi16_chan_free ioctl) vblank nvc0...