Re: [PATCH] libata: waits up to 10 microseconds for early irq problem

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On Tue, 28 Nov 2006 09:00:44 -0500
Mark Lord <mlord@xxxxxxxxx> wrote:

> Alan, I confess that I really don't understand this example (below).
> Can you try again, with something concrete enough for a rusty old
> IDE hacker to understand?

The asynchronocity isn't at the IDE level - its at the PCI bus level. The
IRQ path between a PCI card and the CPU is not synchronous to I/O cycles.

Alan
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