From: Linus Torvalds <[email protected]>
Date: Wed, 23 May 2007 15:16:23 -0700 (PDT)
> That crap should be seen for the crap it is! Dammit, how hard can it
> be to just admit that mmconfig isn't that great?
I knew mmconfig was broken conceptually the first time I started
seeing write posting "bug fixes" for it that would do a read back from
PCI config space via mmconfig to post the write, which of course has
potential side-effects on the device and is absolutely illegal if the
write just performed put the device into a PM state or whatever.
Truth is stranger than fiction at times.
MMCONFIG is very much an ill-conceived idea.
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