Do intel smp machines always have an 8259A alike external PIC?

["Bao zhao" <paozhaokeats@xxxxxxxxxxx>]

 I found function init_8259A was called whether machines are smp or not.  
But smp can function well because local  APIC and io APIC replace old PICs, 
so  I thinks there exist some codes which disable 8259A, but  I cannot find 
them.  What's wrong with me?

Thank in advance!


Bao Zhao

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