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    SubjectRe: calling kthread_create() from interrupt thread
    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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