[PATCH 11/11] powerpc/microwatt: Disable interrupts in boot wrapper main program

[Nicholas Piggin]

Excerpts from Segher Boessenkool's message of June 17, 2021 9:37 am:
> On Tue, Jun 15, 2021 at 09:05:27AM +1000, Paul Mackerras wrote:
>> This ensures that we don't get a decrementer interrupt arriving before
>> we have set up a handler for it.
> 
> Maybe add a comment saying this is setting MSR[EE]=0 for that?  Or do
> other bits here matter as well?

Hmm, it actually clears MSR[RI] as well.

__hard_irq_disable() is what we want here, unless the MSR[RI] clearing 
is required as well, in which case there is __hard_EE_RI_disable().

Thanks,
Nick