Messages in this thread | | | Date | Tue, 15 Jun 2004 13:05:25 -0500 | From | Dean Nelson <> | Subject | Re: calling kthread_create() from interrupt thread |
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On Tue, Jun 15, 2004 at 07:49:37PM +0200, Arjan van de Ven wrote: > On Tue, 2004-06-15 at 19:42, Dean Nelson wrote: > > 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? > > no > > > > > . 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? > > for that we have keventd in 2.4, work queues in 2.6
As mentioned above, it is possible for this "simple" function to sleep/block for an indefinite period of time. I was under the impression that one couldn't block a work queue thread for an indefinite period of time. Am I mistaken?
Thanks, Dean
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