Messages in this thread | | | Date | Thu, 11 Oct 2012 09:01:08 +0100 | From | Russell King - ARM Linux <> | Subject | Re: DEBUG_STACKOVERFLOW issue on ARM |
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On Thu, Oct 11, 2012 at 01:09:46PM +0530, vaibhav shinde wrote: > Hi Russel, > > On Fri, Oct 5, 2012 at 2:01 PM, Russell King - ARM Linux > <linux@arm.linux.org.uk> wrote: > > > > On Wed, Oct 03, 2012 at 05:18:56PM +0530, trisha yad wrote: > > > I wish to know how can I support this function in 3.0 ? > > > > If your description is correct, then all you need to do is to ensure > > that you route interrupts to other CPUs. > > > > You can do that by running the userspace irqbalance daemon. > > > > I also tried with the irqbalance daemon, on ARM quad core architecture, > and as per my understanding, the daemon sets the > /proc/irq/<irq.no.>/smp_affinity > file according to the irq frequency on a particular processor. > > However, the daemon doesn't work as expected, I also tried > accessing the > proc file mentioned above to set the cpu mask for particular irq, but this > just block the processing of the irq, as I see the count of that irq > doesnt increase > in /proc/interrupts. > > My conclusion is that the irqbalancing is not supported on > ARM arch or there is > something more required for this to work. Kindly provide some > pointers over this.
Sounds like something has been broken, no idea what. It needs investigation.
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