Re: Bottom halves, task queues invokation

Timur Tabi (
Mon, 24 Sep 2001 13:03:19 -0500

Nirranjan.K wrote:

> In case of
> kernel thread is running on behalf of user process. In meantime a timer
> interrupt arrives(slow interrupt). Now after end of timer interrupt are
> Bottom halves, task queues invoked ? (offcourse Scheduler is not invoked as
> kernel is not pre emptive)

I'm not sure I understand your question, but bottom halves and tasklets do not
pre-empt the kernel. So if a timer interrupts the kernel, and the timer
handler schedules a tasklet, then after the timer handler exists, AND after
the kernel exists, that's when the tasklet is run.

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