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Subjectcalling kthread_create() from interrupt thread
I'm working on a driver that needs to create threads that can sleep/block
for an indefinite period of time.

. Can kthread_create() be called from an interrupt handler?

. Is the cost of a kthread's creation/demise low enough so that one
can, as often as needed, create a kthread that performs a simple
function and exits? Or is the cost too high for this?

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