Re: [PATCH] x86: Construct 32 bit boot time page tables in nativeformat.
From: Jeremy Fitzhardinge
Date: Thu Jan 24 2008 - 17:59:51 EST
H. Peter Anvin wrote:
Yeah, and it's ugly for the kernel proper, so that bit is a
no-brainer. It's just a matter of hammering out the details.
It doesn't sound from the above that you have any opinion either way
about reusing the initial page tables or creating a new set, as long
as they're in the same format.
Right.
Xen provides a initial set of pagetables in the appropriate format, so
what head.S generates is moot. For simplicity I graft the Xen-provided
pagetables into swapper_pg_dir in xen_start_kernel, so it is the
functional equivalent to the head.S pagetable construction.
We also don't (yet) support PSE, so that's a non-issue for us too.
J
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