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Re: [Qemu-devel] [PATCH] memory: simple memory tree printer

From: Jan Kiszka
Subject: Re: [Qemu-devel] [PATCH] memory: simple memory tree printer
Date: Mon, 12 Sep 2011 11:01:21 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv: Gecko/20080226 SUSE/ Thunderbird/ Mnenhy/

On 2011-09-12 08:43, Richard Henderson wrote:
> On 09/11/2011 09:31 PM, Blue Swirl wrote:
>> Field 'offset' is always zero, maybe that is not interesting. Will it
>> become one day?
> It's not always zero, but only used by certain devices.

I do not see any users, neither upstream nor in Avi's tree.

To my (semi-)understanding, offset should correlate to region_offset of
cpu_register_physical_memory_offset: legacy device models require this
to be 0 as they expect an absolute memory address passed to their
handler, in contrast to a normal one that is relative to the regions
base. But I do not see how the memory region offset actually helps here.


Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux

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