H. Peter Anvin wrote:
quoted text
> While we're mucking around in this area, there is another thing which 
> we should eventually get around to fixing:
>
> we need a set of page tables with an identity mapping as well as the 
> kernel mapping, for trampolining (during startup, but also during 
> things like ACPI suspend/resume.)  Right now, we let those be the 
> swapper page tables, but that's probably not really a good idea, since 
> it can hide bugs.

So you're suggesting a second system pagetable which has a P=V alias as 
well as the normal kernel mapping, used only when we actually need that 
alias?  Sounds simple enough to arrange.

    J
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