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Re: [PATCH 1/2] migration/multifd: clean pages after filling packet
From: |
Juan Quintela |
Subject: |
Re: [PATCH 1/2] migration/multifd: clean pages after filling packet |
Date: |
Tue, 19 Nov 2019 11:54:19 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux) |
Wei Yang <address@hidden> wrote:
> This is a preparation for the next patch:
>
> not use multifd during postcopy.
>
> Without enabling postcopy, everything looks good. While after enabling
> postcopy, migration may fail even not use multifd during postcopy. The
> reason is the pages is not properly cleared and *old* target page will
> continue to be transferred.
>
> After clean pages, migration succeeds.
>
> Signed-off-by: Wei Yang <address@hidden>
Reviewed-by: Juan Quintela <address@hidden>
I don't like asserts, but I understand why you put them there.
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