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    SubjectRe: [PATCH] trim memory not covered by WB MTRRs
    Date
    On Monday, June 25, 2007 8:29:35 pm Jesse Barnes wrote:
    > Is there an is_cpu() check to differentiate between those? Anyway I'd
    > rather not enable it unless we see reports though... So far I've only seen
    > reports of this problem on some recent Intel based systems.

    Oh, and FYI I've seen new systems with a default mapping type of WB, with a
    few uncached holes for MMIO. That means PAT will be absolutely required on
    those systems if we want to use WC for the framebuffer or other memory. I
    hope it's ready for mainline soon...

    Jesse
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