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Re: [Qemu-devel] vm state save/restore question

From: Andreas Färber
Subject: Re: [Qemu-devel] vm state save/restore question
Date: Sat, 09 Jun 2012 13:37:58 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120421 Thunderbird/12.0


Am 09.06.2012 13:34, schrieb Benjamin Herrenschmidt:
> On Sat, 2012-06-09 at 20:53 +1000, Benjamin Herrenschmidt wrote:
> (After some discussion with Andreas ...)
>> I'm looking at sorting out the state save/restore of target-ppc (which
>> means understanding in general how it works in qemu :-)
>> So far I've somewhat figured out that there's the "old way" where we
>> just provide a "bulk" save/restore function pair, and the "new way"
>> where we have nicely tagged field lists etc...
>> x86 seems to use the later for the CPU state, ppc is a mess and uses the
>> former with interesting incompatible format change depending on how qemu
>> is build :-) So I think that's one area I need to fix.
> Ok, so I'm told there are patches to convert ppc, I haven't seen them in
> my list archives, so if somebody has a pointer, please shoot, that will
> save me some work :-)



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