Oliver,

It was recommended to me to ask you a question about the proper ordering
of add_wait_queue() and set_current_state().

In some drivers the order is

set_current_state(TASK_INTERRUPTIBLE);
add_wait_queue(...);

and in others it is

add_wait_queue(...);
set_current_state(TASK_INTERRUPTIBLE);

It seems like one of these should be oorrect and not the other, but I'm
not sure which is which. Any insight you could provide would be greatly
appreciated.

-Nish


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