Re: Calling work queue in a tasklet?

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On 2/14/06, Mukund JB. <mukundjb@xxxxxxxxxxxxxxxxxxxxx> wrote:
> Dear All,
>
> I am working on a Block driver. I am required to do a pretty heavy
> computation in the interrupt context.
>
> I tried to schedule the kernel work queue in the driver from the
> bottomhalf.
> It works.
>
> As Tasklet is the next high priority job after interrupts, I suspect if
> anything is wrong in incorporating this method.
> Please see the pseudo code below.
>
> Pseudo code
> ------------
> /* ISR */
> intsrv()
> {
>         ......
>         tasklet_schedule(&tlet);
> }
>
> /* bottom half */
> static void bottomhalf(ulong vptr)
> {
>         ......
>         ......
>         schedule_work(&tqueue); /* call to Work queue */
> }
>

as far as I can understand, you are sheduling the tasklet, which is
just responsible to further shedule the work on work queue. Why dont
you directly do your pending work in tasklet itself.

-Gauarv

> This is how it works and finally the assigned work queue function will
> be called. Please give your ideas on this kind of an approach.
>
> Regards,
> Mukund Jampala
>
>

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