Tejun Heo wrote:
Alan Cox wrote:
Yeap, this is how IDE deals with polling commands but I'm not sure how
it's supposed to work with PCI IRQ sharing.  Bartlomiej, can you
enlighten me here?
Simple answer: Badly. If you've got the IRQ shared it mucks up the
behaviour of the other device especially when its doing PIO.

OIC, I've been thinking I must be missing something but it's just
supposed to work that way.  Doesn't sound too attractive.  :-(

Yeah.  It's ugly -- designed for use at boot time only, really.

As I've said a few times here, the IDE Subsystem was designed/implemented
*pre-hotplug*, and though it does work well most of the time,
the world has moved on.

Cheers
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