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Jesse Barnes <jesse.barnes@intel.com> writes: > > To do this in a nicer way (and be less vulnerable to similar BIOS > funkiness) the kernel really needs full PAT support. That should allow > WC over WB and WC over UC mappings to occur, at least if I'm > remembering the docs right... PAT only really helps for device driver performance optimizations. But if the basic WB MTRRs are wrong PAT cannot really salvage it. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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