For SMP, Is platform specific secondary startup function really needed?

[John Linn]

I'm doing some cleanup of SMP patches based on Russell and Catalin's
input which was real helpful. It seems to me that there is not always a
need for a platform specific secondary startup.

I have tested with just letting CPU1 go straight to secondary_startup()
in head.S and it works fine.

I'm probably missing something obvious, if so can you share it?

Thanks,
John

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