Peter Hurley 7bb59df83b Bluetooth: Fix hidp disconnect deadlocks and lost wakeup ... Partial revert of commit aabf6f89. When the hidp session thread was converted from kernel_thread to kthread, the atomic/wakeups were replaced with kthread_stop. kthread_stop has blocking semantics which are inappropriate for the hidp session kthread. In addition, the kthread signals itself to terminate in hidp_process_hid_control() - it cannot do this with kthread_stop(). Lastly, a wakeup can be lost if the wakeup happens between checking for the loop exit condition and setting the current state to TASK_INTERRUPTIBLE. (Without appropriate synchronization mechanisms, the task state should not be changed between the condition test and the yield - via schedule() - as this creates a race between the wakeup and resetting the state back to interruptible.) Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>		2011-06-30 15:47:50 -03:00
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core.c	Bluetooth: Fix hidp disconnect deadlocks and lost wakeup	2011-06-30 15:47:50 -03:00
hidp.h	Bluetooth: Fix hidp disconnect deadlocks and lost wakeup	2011-06-30 15:47:50 -03:00
sock.c	Bluetooth: Fix checkpatch errors, code style issues and typos in hidp	2011-03-31 14:22:56 -03:00