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SubjectRe: Different semantics for enable/disable IRQs


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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