Re: [discuss] Re: 2.6.19-rc4: known unfixed regressions (v3)
From: Jeff Garzik
Date: Fri Nov 10 2006 - 09:02:41 EST
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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