In-Reply-To: <[email protected]>
On Fri, 14 Jul 2006 11:39:48 +0200, Arjan van de Ven wrote:
> > Extend the verification for PCI-X/PCI-Express extended config
> > space pointer. Checks whether the MCFG address range is listed
> > as a motherboard resource, per the PCI firmware spec.
>
> I'm still not quite happy about this; the entire point of the check is
> that we CAN'T trust the ACPI implementation, and want a second opinion.
> This patch basically asks the ACPI implementation if we can trust the
> ACPI implementation. I'm not sure that's a good idea.
> And I understood that most issues went away with the more relaxed check
> that is in gregkh's tree already (if not in mainline, I should check
> that).
The more-relaxed check is in mainline. I wrote it, but it didn't even
fix the problem on my own machine. This did.
According to Rajesh, the spec doesn't require the MCFG space to be
e820-reserved, so that's not really a valid check.
--
Chuck
"You can't read a newspaper if you can't read." --George W. Bush
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