Re: [Qemu-devel] [PATCH v7 01/42] Start documenting how postcopy works.

[Juan Quintela]

"Dr. David Alan Gilbert (git)" <address@hidden> wrote:
> From: "Dr. David Alan Gilbert" <address@hidden>
>
> Signed-off-by: Dr. David Alan Gilbert <address@hidden>
> ---
>  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.