Messages in this thread | | | Date | Mon, 4 Jun 2007 17:59:59 -0700 | From | "Yinghai Lu" <> | Subject | Re: Intel's response Linux/MTRR/8GB Memory Support / Why doesn't the kernel realize the BIOS has problems and re-map appropriately? |
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On 6/4/07, Eric W. Biederman <ebiederm@xmission.com> wrote: > > Exactly, and given that this is a fairly easy thing to do, and that > occasionally we see systems where this happens (even if their BIOS is > later fixed). It is likely worth it for someone to write up the patch > and that compare MTRRs with available memory, and to complain and > reserve all memory that MTRRs claim is not write-back. > that is good. Sometime BIOS can not even keep mtrr to the identical between different CPU in SMP system.
Or reset mtrr according to e820 table.
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