Re: /proc/pci deprecation?

From: Richard Henderson (
Date: Sun Dec 08 2002 - 15:56:42 EST

On Sat, Dec 07, 2002 at 08:21:21PM -0800, Linus Torvalds wrote:
> > Flags: bus master, medium devsel, latency 16, IRQ 19
> Just out of interest, where _does_ it get the information? Does it try to
> do its own irq routing (bad!) or does it do it from /proc/bus/pci/devices?

It just reports what's in the PCI_INTERRUPT_LINE register.

At least on Alpha, we wrote into this register during pci
configuration, so the value matches what's in /proc/interrupts.
I guess I always assumed we did the same on x86, but I've
never checked.

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