Jesse Barnes <[EMAIL PROTECTED]> 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 [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/