Re: [PATCH] - Mapping ACPI tables as CACHED

[H. Peter Anvin]

On 12/14/2010 08:35 PM, Len Brown wrote:
> 
> I'm not sure the concept of checking against E820
> is better than simply calling ioremap_cache() always.
> 

I don't think it is.  On most systems, non-RAM will be forced uncachable
by the MTRRs anyway, and if we find systems which have problems, we
should be doing this forcing in the PAT subsystem, not in ACPI.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/