Re: PAT and MTRRs
From: H. Peter Anvin
Date: Sun Oct 26 2008 - 20:25:27 EST
Arjan van de Ven wrote:
PAT can't make memory cachable that the MTRR's have as uncachable.
What PAT *can* do is, within an MTRR, do fine grained mapping...
Now, if it wasn't for the braindamage called ACPI and SMM, we could have
cleared the MTRR settings and just used PAT...
-hpa
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