At Tue, 14 Nov 2006 19:21:17 -0800 (PST),
David Miller wrote:
>
> From: Linus Torvalds <[email protected]>
> Date: Tue, 14 Nov 2006 19:10:42 -0800 (PST)
>
> > Yours was still an example of "nice". And it had absolutely nothing
> > to do with the _PROBLEM_.
>
> Understood.
>
> BTW, some drivers have taken the approch to add MSI self-tests
> inside of the driver to ensure correct option of MSI on a given
> machine. There's a lot of resistence to that, the reasons for
> which I grok fully, but I'm not sure other suggestions such as
> black lists are any better.
The snd-hda-intel driver has a test of MSI, but it seems not working
on every machine. It caused non-cared interrupts and the kernel
disabled that irq.
> Given current experience maybe white-lists are in fact the way
> to go.
Could it be whitelisted in the PCI driver side? I don't think it's
good to have a huge white/blacklist in each device driver.
Takashi
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