On Fri, Feb 7, 2014 at 6:24 PM, Thomas Gleixner wrote:
> Not sure, really, but I tend to a core patch. Though we really want to
> know whether the issue is threaded only or not. If it's a general
> issue then this wants to go into unmask_irq() itself and not into an
> extra unmask_threaded_irq() f
On Fri, 7 Feb 2014, Carlo Caione wrote:
> Yeah, no really difference between threaded and non threaded.
> For the record, from a mail exchange with Allwinner's engineers: "the
> NMI module is a signal conversion module. It catches the NMI pin's
> state and generates irq to GIC", so GIC does not rea
On Fri, Feb 7, 2014 at 12:51 PM, Thomas Gleixner wrote:
> I can't see why it would be specific for the threaded case.
>
> The explanation says that the NMI chip is ignoring the ack on mask,
> which is basically the entry of the interrupt handler. Now it does not
> matter whether you are threaded o
On Fri, 7 Feb 2014, Carlo Caione wrote:
> The context and the rationale is fully explained in this thread
> http://www.spinics.net/lists/arm-kernel/msg299952.html and some
> answers are already given along the thread especially by Hans here
> http://www.spinics.net/lists/arm-kernel/msg303542.html
>
On Thu, Feb 6, 2014 at 10:54 PM, Thomas Gleixner wrote:
> On Thu, 6 Feb 2014, Carlo Caione wrote:
>> On Thu, Feb 6, 2014 at 10:14 PM, Thomas Gleixner wrote:
>> > On Thu, 6 Feb 2014, Carlo Caione wrote:
>> >
>> >> Several irqchip drivers require the level-triggered interrupt to be
>> >> acked befo
On Thu, 6 Feb 2014, Carlo Caione wrote:
> On Thu, Feb 6, 2014 at 10:14 PM, Thomas Gleixner wrote:
> > On Thu, 6 Feb 2014, Carlo Caione wrote:
> >
> >> Several irqchip drivers require the level-triggered interrupt to be
> >> acked before unmasking to avoid that a second interrupt is immediately
> >
On Thu, Feb 6, 2014 at 10:14 PM, Thomas Gleixner wrote:
> On Thu, 6 Feb 2014, Carlo Caione wrote:
>
>> Several irqchip drivers require the level-triggered interrupt to be
>> acked before unmasking to avoid that a second interrupt is immediately
>> triggered. This small patch introduces a new irqch
On Thu, 6 Feb 2014, Carlo Caione wrote:
> Several irqchip drivers require the level-triggered interrupt to be
> acked before unmasking to avoid that a second interrupt is immediately
> triggered. This small patch introduces a new irqchip flags that is used
> to ack the IRQ line before it is unmask
