Messages in this thread | | | Date | 18 Jan 2008 05:25:19 +0100 | Date | Fri, 18 Jan 2008 05:25:19 +0100 | From | Andi Kleen <> | Subject | Re: [patch 0/4] x86: PAT followup - Incremental changes and bug fixes |
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> As Linus mentioned, main problem is to figure out the correct attribute > for ioremap() which doesn't specify the actual attribute to be used.
In this case the correct attribute is the one of the underlying MTRR.
And if it conflicts with some other mapping that overrides an MTRR the driver was always broken and it should probably error out and be reevaluated/fixed.
-Andi
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