Messages in this thread | | | From | Jesse Barnes <> | Subject | Re: [PATCH] trim memory not covered by WB MTRRs | Date | Mon, 25 Jun 2007 20:30:52 -0700 |
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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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