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SubjectRe: /proc/pci deprecation?
On Sun, Dec 08, 2002 at 05:54:16PM -0800, Linus Torvalds wrote:
> Writing it back is actively _bad_, since it will make it very hard to
> re-boot the machine without the BIOS re-enumarating the PCI bus and
> filling it in again (ie it would definitely screw up using things like
> kexec() on PC's, if the kernel we boot _from_ is an APIC kernel, but the
> kernel we boot _into_ is not).

True. This applies to alpha as well because of the way how modern consoles
encode IRQs routed through the ISA bridge (actual IRQ + 0xe0).

Probably we should eliminate pcibios_update_irq() call in
drivers/pci/setup-irq.c and see what happens. Nothing bad, I guess.

Ivan.
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