Messages in this thread | | | Date | Tue, 31 Mar 1998 08:04:13 -0800 (PST) | From | Linus Torvalds <> | Subject | Re: Different semantics for enable/disable IRQs |
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On Mon, 30 Mar 1998, Oleg Subbotin wrote: > > Why is there a different semantics for enable/disable irq (in the case > of SMP) for the old 8259A interrupt controller and for IOAPIC?.
Broken implementation reasons.
However, the fact is that it is a bug for the caller to not serialize the enable/disable calls correctly anyway, so any code that shows this implementation difference is to be considered broken anyway..
Linus
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