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SubjectRe: Overview of concurrency managed workqueue
On 06/18/2010 01:16 AM, Andrew Morton wrote:
> On Thu, 17 Jun 2010 08:01:06 -0400
> Andy Walls <awalls@md.metrocast.net> wrote:
>
>> I'm going to agree with Tejun, that tweaking worker thread priorities
>> seems like an odd thing, since they are meant to handle deferable
>> actions - things that can be put off until later.
>
> Disagree. If you're in an interrupt handler and have some work which
> you want done in process context and you want it done RIGHT NOW then
> handing that work off to a realtime-policy worker thread is a fine way of
> doing that.

In that case, the right thing to do would be using threaded interrupt
handler. It's not only easier but also provide enough context such
that RT kernel can do the right thing.

Thanks.

--
tejun


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