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From: Paul Brook <paul@codesourcery.com>
Subject: Re: [Qemu-devel] [PATCH 5/6] Implement multi-level page tables.
Date: Sun, 14 Mar 2010 15:02:11 +0000
References: <cover.1268265556.git.rth@twiddle.net>
	<463ebb8d6c9bd5b65a804785002929eb9c98a321.1268265556.git.rth@twiddle.net>
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To: qemu-devel@nongnu.org
Cc: Richard Henderson <rth@twiddle.net>

> Richard Henderson schrieb:
> > Define L1_MAP_ADDR_SPACE_BITS to be either the virtual address size
> > (in user mode) or physical address size (in system mode), and use
> > that to size l1_map.  This rewrites page_find_alloc, page_flush_tb,
> > and walk_memory_regions.
> >
> > Use TARGET_PHYS_ADDR_SPACE_BITS for the physical memory map based
> > off of l1_phys_map.  This rewrites page_phys_find_alloc and
> > phys_page_for_each.
> >
> > Signed-off-by: Richard Henderson <rth@twiddle.net>
> > ---
> >  cpu-all.h |    7 +-
> >  exec.c    |  451
> > +++++++++++++++++++++++++++++++++++++------------------------ 2 files
> > changed, 278 insertions(+), 180 deletions(-)
> 
> This patch breaks remote debugging (QEMU crash).

Probably nothing to do with debugging.  Should be fixed by 
7296abaccc98872e28cec50091dbf26d38e4f062

Paul