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From: | Juan Quintela |
Subject: | Re: [Qemu-devel] [PATCH v2 01/16] postcopy: Transmit ram size summary word |
Date: | Fri, 24 Feb 2017 14:10:50 +0100 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux) |
"Dr. David Alan Gilbert (git)" <address@hidden> wrote: > From: "Dr. David Alan Gilbert" <address@hidden> > > Replace the host page-size in the 'advise' command by a pagesize > summary bitmap; if the VM is just using normal RAM then > this will be exactly the same as before, however if they're using > huge pages they'll be different, and thus: > a) Migration from/to old qemu's that don't understand huge pages > will fail early. > b) Migrations with different size RAMBlocks will also fail early. > > This catches it very early; earlier than the detailed per-block > check in the next patch. > > Signed-off-by: Dr. David Alan Gilbert <address@hidden> Reviewed-by: Juan Quintela <address@hidden>
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