oops bringing up secondary cpus

[Anton Blanchard]

> OK, but current_set is the task info for the idle process for the new
> CPU, right?  It looks to me like it's allocated like any old task using
> copy_process() in smp_create_idle().  This should use kmalloc() like any
> other task, and that's certainly not guaranteed to be in the RMO.  Did
> this change recently?  Do we need to lmb_alloc() the idle task struct
> for the secondary CPUs?

To be honest I cant see where we touch r1 in __secondary_start, have you
made in changes to it? BTW the rfid at the end of __secondary_start is
where we go to virtual mode, so you only have to worry about the code
before that point.

Anton

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