On Fri, 11 Jan 2008, Matthew Wilcox wrote:
>
> So your argument is that MMCONFIG sucks, therefore Linux has to have a
> horrible interface to extended PCI config space?
What's *your* point?
MMCONFIG is known broken. If we ever start enabling it more (ie start
using it even if it's not reserved in the e820 tables), all that known
breakage will come and bite us in the *ss.
We need to have some armor-plated underwear to protect against that
ass-biting, and that's what Arjan's patch is.
Tell me what *other* armor plating you could have that actually works?
Linus
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