Messages in this thread | | | Date | Thu, 6 Sep 2007 10:50:19 -0700 | From | "Yinghai Lu" <> | Subject | Re: [patches] [patch 3/5] x86: Add PCI extended config space access for AMD Barcelona |
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On 9/6/07, Jesse Barnes <jesse.barnes@intel.com> wrote: > The problem with doing that is it would mean reserving some address > space for mmconfig usage. If the BIOS doesn't completely describe all > the reserved regions via e820 or similar (apparently a common problem) > we may end up making mmconfig overlap with another important area... > It's pretty hard not to trust the BIOS here without completely > replacing big chunks of it.
for Family 10h, you can use mmio range high beyond than the RAM range...( just don't conflict with HT reserved range...)
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