Messages in this thread | | | Date | Thu, 20 Dec 2007 14:04:31 -0500 | From | Tony Camuso <> | Subject | Re: [Fwd: Re: [PATCH 0/5]PCI: x86 MMCONFIG] |
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Loic Prylli wrote:
> Always using type 1 for accesses below 256 bytes looks like a very very > attractive solution > > I know we had a lot of older kernels over the last two years that we > patched like that (we needed MMCONFIG for our own device development > purposes, but we also needed our machines to boot and discover all > devices reliably). Recent kernels works fine out of the box on all > hardware we have, but all this sometimes tricky and apparently endless > work (in big part because of buggy BIOSes) about MMCONFIG would probably > become relatively easy by limiting the aim to have MMCONFIG work when it > is required (for cfg-space accesses >= 256). > > > Loic > Hmmm... I think I like this solution.
It may be easier to implement than the solution I posted.
Also, this solution also would allow us to remove the unreachable_devices() routine and bitmap.
Does anybody see a down side to this?
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