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/

Reply via email to