Re: x86.git: mtrr trimming removes all memory under kvm

[Andi Kleen]

Yinghai Lu <Yinghai.Lu@xxxxxxx> writes:
>  
> +	/* Doesn't apply to memory < 4GB */
> +	if (end_pfn <= (0xffffffffUL >> PAGE_SHIFT))
> +		return 0;

I don't think this makes sense to move outside the AMD workaround
because the normal MTRRs don't have an implicit hidden 4GB semantics.

-Andi
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