* Juan Quintela (quint...@redhat.com) wrote: > "Dr. David Alan Gilbert (git)" <dgilb...@redhat.com> wrote: > > From: "Dr. David Alan Gilbert" <dgilb...@redhat.com> > > > > Signed-off-by: Dr. David Alan Gilbert <dgilb...@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.
Thanks, Fixed (interesting, the check-patch doesn't seem to moan about text files). Dave -- Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK