Re: Linux 2.4.19-ac2

From: Alan Cox (
Date: Mon Aug 05 2002 - 08:00:46 EST

On Mon, 2002-08-05 at 11:21, Eric W. Biederman wrote:
> Why are we kicking IDE devices out of ``legacy'' mode?
> Last I checked that was a very sensible mode for IDE devices to operate in.
> The IRQ and pio resources are where a lot of software expects them,
> and by using an isa-irq there are fewer shared interrupts.
> Plus on the few motherboards I tried it on, the pci-irq line didn't
> even appear to be hooked up. In these cases I'm thinking of the
> on-board IDE controller.

See ac3/ac4. Having tried this approach it turns out to be a very bad
idea indeed. I'm now allowing pci_enable_device with a mask of BARs that
must be assigned. Thats somewhat less invasive

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