Re: [discuss] Re: 2.6.19-rc4: known unfixed regressions (v3)

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Alan Cox wrote:
Ar Gwe, 2006-11-10 am 07:56 +0100, ysgrifennodd Andi Kleen:
I'm sure some people will be upset again if we don't use it.
Perhaps there are really users who want to use the PCI-E error handling
for example.

And there is now hardware out there which requires accessing PCI-E
configuration spaces. Disabling it for those cases is not a sensible
option t all.

Yeah, mmconfig is required for accessing extended PCI configuration space, and for accessing ANY devices on a non-zero PCI segment (read: x86 PCI domains).

If you have boot devices on a PCI domain bus, you aren't booting at all, unless you're running -mm...

	Jeff



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