Re: [PATCH v2 2/6] x86, mm, pat: Change reserve_memtype() to handle WT

[H. Peter Anvin]

On 09/10/2014 02:47 PM, Toshi Kani wrote:
>>
>> Yes.  Don't think of it as PAT vs non-PAT.  Think of it as a specific
>> set of cache types available on different processors.  The fact that you
>> may have to frob an MSR to initialize it is almost trivial in comparison.
> 
> Right.
> 

In that sense the Xen "fixed PAT" fits right in.

	-hpa


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