Re: [PATCH][RFC] per isr in_progress markers

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bert hubert <[e-mail]> wrote ..
> On Sun, Sep 08, 2002 at 03:01:02PM -0700, Linus Torvalds wrote:
> 
> >    setups (as opposed to most laptops, which often seem to put every PCI
> >    device on the same irq)
> 
> I've always thought that this was a linux problem - any reason *why* laptops
> do this?

Hi Bert,
   I'd presume the reason for that would be because the irq/pin mappings end up in a manner that all the devices end up having the same irq assigned to the pin they're using. This would be a BIOS/fw problem, although it can be alleviated with PCI IRQ router support for that particular chipset.

     Zwane

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