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From: Paul Brook <paul@codesourcery.com>
Subject: Re: [Qemu-devel] [PATCH 0/6] Multi-level page tables and userland
	mapping fixes, v3
Date: Fri, 12 Mar 2010 18:51:41 +0000
References: <cover.1268265556.git.rth@twiddle.net>
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To: qemu-devel@nongnu.org
Cc: Richard Henderson <rth@twiddle.net>

> Richard Henderson (6):
>   Move TARGET_PHYS_ADDR_SPACE_BITS to target-*/cpu.h.
>   Use TARGET_VIRT_ADDR_SPACE_BITS in h2g_valid.
>   linux-user: Use h2g_valid in qemu_vmalloc.
>   linux-user: Fix mmap_find_vma returning invalid addresses.
>   Implement multi-level page tables.
>   Fix last page errors in page_check_range and page_set_flags.

Applied, plus a bunch of follow-on patches that isolate the userspace 
emulation from any concept of physical address space.

Paul