On 14/01/2015 11:06, Pavel Dovgaluk wrote:
>> > I think it is okay.  INIT executes cpu_loop_exit() on x86 because
>> > processors other than the boot processor are halted after they receive 
>> > INIT.
> Then I cannot put everything in one if-else chain because it will change the 
> behavior of the code.
> After processing RESET branch we can also process hardware interrupts (in 
> unmodified code).

Then if it's simpler you can add cpu_loop_exit().  It's not required,
but it's also definitely not a fast path.

Paolo

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