spapr: skip configuration section during migration of older machines
Since QEMU 2.4, we have a configuration section in the migration stream. This must be skipped for older machines, like it is already done for x86. This patch fixes the migration of pseries-2.3 from/to QEMU 2.3, but it breaks migration of the same machine from/to QEMU 2.4/2.4.1/2.5. We do that anyway because QEMU 2.3 is likely to be more widely deployed than newer QEMU versions. Fixes: 61964c23Signed-off-by: NGreg Kurz <gkurz@linux.vnet.ibm.com> Reviewed-by: NLaurent Vivier <lvivier@redhat.com> Reviewed-by: NJuan Quintela <quintela@redhat.com> Signed-off-by: NDavid Gibson <david@gibson.dropbear.id.au>
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