Re: [PATCH] EFI: Only set regions uncacheable if they support it

[H. Peter Anvin]

On 03/15/2012 07:07 AM, Matthew Garrett wrote:
> 
> I have a report of a system that fails to boot with an MCE during EFI 
> setup. The memory range is marked reserved and claims not to support any 
> caching type, which I think probably translates as "Don't do anything to 
> this region ever".
> 

In other words, "don't map me"... not something we really support at the
moment, but perhaps we should; at least until we find systems in the
field that break with that constraint :(

	-hpa

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

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