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

[Rafael J. Wysocki]

On Monday, 28 of January 2008, Jeremy Fitzhardinge wrote:
> Rafael J. Wysocki wrote:
> > Actually, no.  We only do that with the kernel code mapping which should be
> > safe as long as TLBs are not flushed (and they aren't).
> >   
> 
> Er, what?  Assuming the TLB will retain some mappings while you 
> overwrite the pagetable is a highly dubious prospect.  Are you copying 
> the same values over, or something else?

As long as a relocatable kernel is not used to restore a non-relocatable one
(or vice versa), we're copying the same values over.

Rafael
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