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Re: [Qemu-devel] [PATCH v2 01/16] postcopy: Transmit ram size summary wo

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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