Re: [Xen-devel] [ARM:PATCH v1 1/1] Add Odroid-XU (Exynos5410) support

[Suriyan Ramasami <suriyan.r@xxxxxxxxx>]

On Fri, Jul 25, 2014 at 1:05 PM, Ian Campbell <ian.campbell@xxxxxxxxxx> wrote:
> On Fri, 2014-07-25 at 10:45 -0700, Suriyan Ramasami wrote:
>> PS: I have noticed that there is no ARM port of XEN having more than 2
>> CPUs. Is that correct?
>
> I don't think so. Midway has 4 and X-gene has 8.
>
>>  I am mentioning this, cause with the XU, though
>> I can bring up all 4 processors in XEN and in dom0, domU fails to make
>> much boot progress when it is xl created. I am able to boot domU, if I
>> restrict the dtb for dom0 to 2 CPUs.
>
> How strange.
>
> Are all 4 cores the same or is this a 2x2 big.LITTLE system? I suspect
> we don't handle mixed systems at all well right now.
The Odroid XU is a big.LITTLE system, but it has 4 big and 4 LITTLE
CPUs. So, it should handle the 4 CPUs. I must be doing something
wrong. I shall try to debug this ...

- Suriyan
>
> Ian.
>

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