On 20 June 2013 17:34, Dave Martin <dave.mar...@linaro.org> wrote:
> On Thu, Jun 13, 2013 at 12:08:49PM +0100, Jon Medhurst (Tixy) wrote:
>> On Thu, 2013-06-13 at 12:14 +0800, Andy Green wrote:
>> > Hi -
>> >
>> > Something maybe unrelated.... after inserting gator successfully get
>> > some kernel logs coming
>> >
>> > [ 52.491528] CPU PMU: unable to set irq affinity (irq=0, cpu=0)
>> > [ 52.496351] CPU PMU: unable to set irq affinity (irq=0, cpu=0)
>> > ...
>> >
>> > irq = 0 isn't looking very happy... are there more new DT properties
>> > we need somewhere to be compatible? Our actual pmu section just looks
>> > like this
>> >
>> > pmu {
>> > compatible = "arm,cortex-a9-pmu";
>> > interrupts = <0 98 0x4>,
>> > <0 99 0x4>;
>> > };
>>
>> This isn't an area I have any knowledge in, sorry. But for what it's
>> worth that looks the same format as vexpress pmu nodes. IRQs are
>> obviously different, and the number of them match the number of CPUs.
Hi Dave -
> This may be another side effect on the perf hacks of the changed IKS
> CPU pairing.
Thanks... when I updated to -rc6 pieces without those patches, the
logs about irq affinity are gone. So it may well have been related.
> I don't intend to fix this unless someone has a strong need for it.
> I'm working on something to supersede those perf hacks, but it won't
> be ready immediately.
AFAIK we're alright at the moment now.
-Andy
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