Re: [PATCH] x86: Construct 32 bit boot time page tables in nativeformat.

[H. Peter Anvin]

Jeremy Fitzhardinge wrote:
> H. Peter Anvin wrote:
> > Yes.  We'd use it during initialization and at other times when we 
> > need trampolining, but give the swapper something which only has the 
> > kernel map.
>
> Hm, though Xen makes it all a bit more complex, as usual.  In the PAE 
> case it wouldn't allow the pmd to be shared, so you'd have to allocate a 
> new pmd and copy into it.  There's probably a way to deal with it within 
> the existing paravirt hooks...

Yeah, I'm aware of this particular piece of Xen braindamage, and 
although I had some very unkind words to say about it, it mirrors what 
we have to do for the !PAE case anyway, so it can be sort of glossed over.

	-hpa
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