Messages in this thread | | | From | "Pallala, Ramakrishna" <> | Subject | RE: How to schedule worker and threaded IRQ on same cpu/core | Date | Tue, 2 Oct 2012 15:14:22 +0000 |
| |
> On Tue, 2012-10-02 at 12:54 +0000, Pallala, Ramakrishna wrote: > > > > How can I schedule driver's worker and threaded IRQ on the same core? > > > > > > > > For work queue we have schedule_delayed_work_on () API available. > > > > But how to schedule the threaded IRQ on the same core where my > > > > worker > > > thread is going to run? > > > Why do you need to worry about where your worker thread is going to run? > > > Or IOW what use case do you have in mind? > > > > In my driver I can get two independent events(IRQ and kernel > > notification). One will be handled by Threaded IRQ and other will be > > handled by a worker and the order is not guaranteed and with two cores > Sometimes both workers are being scheduled parallel. > So what is the problem even if they run in parallel, it would be really help if we > know what problem you are trying to solve? > Even if you want to sync between these two then you can have some > synchronisation mechanism between the two. > What is the advantage you are going to get if they run on same core? > > Sorry but these answers would really help community in resolving your problem.
I think I got what I was looking for... synchronize_irq()
basically I need to wait/pause my worker thread execution until my threaded handler is complete.
Thanks for response.
Thanks, Ram
| |