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Re: [Qemu-devel] broken incoming migration

From: Peter Lieven
Subject: Re: [Qemu-devel] broken incoming migration
Date: Tue, 04 Jun 2013 15:52:34 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130510 Thunderbird/17.0.6

On 30.05.2013 16:41, Paolo Bonzini wrote:
Il 30/05/2013 16:38, Peter Lieven ha scritto:
You could also scan the page for nonzero values before writing it.
i had this in mind, but then choosed the other approach.... turned out to be a 
bad idea.

alexey: i will prepare a patch later today, could you then please verify it 
fixes your problem.

paolo: would we still need the madvise or is it enough to not write the zeroes?
It should be enough to not write them.

Problem: checking the pages for zero allocates them. even at the source.


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