[SLOF] [PATCH slof v5 3/6] fdt: Pass the resulting device tree to QEMU

Nikunj A Dadhania nikunj at linux.vnet.ibm.com
Wed Oct 18 21:45:05 AEDT 2017

Segher Boessenkool <segher at kernel.crashing.org> writes:

> On Wed, Oct 18, 2017 at 08:34:57PM +1100, Alexey Kardashevskiy wrote:
>> > Or even not define words for the phandle and ihandle if you don't use
>> > them.  Your choice :-)
>> I need either:
>> - a variable for the unit address or
>> - a word to get it ("chosen-cpu-unit").
>> They both are better be defined nearby set-chosen-cpu. But fdt.fs is parsed
>> before that.
> Well, set-chosen-cpu shouldn't really decide what the boot cpu is
> anyway -- it should just set the link in /chosen!
> The current method of just picking whatever is the first device in /cpus
> isn't so great anyway.

Earlier, there was an assumption of /cpus/@0, with addition of cpu
hotplug in QEMU, I had added code to remove this dependency. That was
the reason to find the first device in /cpus


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