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From: Juan Quintela <quintela@redhat.com>
In-Reply-To: <1434450415-11339-2-git-send-email-dgilbert@redhat.com> (David
	Alan Gilbert's message of "Tue, 16 Jun 2015 11:26:14 +0100")
References: <1434450415-11339-1-git-send-email-dgilbert@redhat.com>
	<1434450415-11339-2-git-send-email-dgilbert@redhat.com>
Date: Wed, 17 Jun 2015 13:42:19 +0200
Message-ID: <87y4ji5zok.fsf@neno.neno>
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Subject: Re: [Qemu-devel] [PATCH v7 01/42] Start documenting how postcopy
	works.
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To: "Dr. David Alan Gilbert (git)" <dgilbert@redhat.com>
Cc: aarcange@redhat.com, yamahata@private.email.ne.jp, liang.z.li@intel.com, qemu-devel@nongnu.org, luis@cs.umu.se, amit.shah@redhat.com, pbonzini@redhat.com, david@gibson.dropbear.id.au

"Dr. David Alan Gilbert (git)" <dgilbert@redhat.com> wrote:
> From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
>
> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
> ---
>  docs/migration.txt | 167 +++++++++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 167 insertions(+)
>
> diff --git a/docs/migration.txt b/docs/migration.txt
> index f6df4be..b4b93d1 100644
> --- a/docs/migration.txt
> +++ b/docs/migration.txt
> @@ -291,3 +291,170 @@ save/send this state when we are in the middle
> of a pio operation
>  (that is what ide_drive_pio_state_needed() checks).  If DRQ_STAT is
>  not enabled, the values on that fields are garbage and don't need to
>  be sent.
> +
> += Return path =
> +
> +In most migration scenarios there is only a single data path that runs
> +from the source VM to the destination, typically along a single fd (although
> +possibly with another fd or similar for some fast way of throwing pages across).
> +
> +However, some uses need two way communication; in particular the
> Postcopy destination

This line is a bit long O:-)

In general, we are too near to the 80 columns limit.