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From: | Peter Lieven |
Subject: | Re: [Qemu-ppc] 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. Peter
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