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    SubjectRe: [PATCH] x86_32: trim memory by updating e820 v3
    Date
    On Monday, April 28, 2008 6:53 am Ingo Molnar wrote:
    > i think we should still try to make this a non-default option because
    > modern Xorg should not have any need to touch MTRRs. Perhaps a .config
    > dependent on CONFIG_DANGEROUS ;-)

    Well, not quite... we're still waiting on some way of getting WC semantics for
    sysfs PCI files. Suresh tells me something like that is queued up, but until
    that hits the mainline X will still need to bang the MTRRs to get decent
    performance.

    Jesse


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