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SubjectRe: [PATCH] trim memory not covered by WB MTRRs
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...

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