On Thu, 2 Aug 2007, Alan Cox wrote:

quoted text
> Currently libata PIO is mostly done in the IRQ path. Albert Lee was doing
> some work on that but its actually very hard to fix without doing polled
> PIO.

 Hmm, when the drive signals it is ready for a PIO data transfer can't 
just the interrupt handler mask the originating interrupt and post a 
softirq to handle the case?  That should be rather straightforward.

  Maciej
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