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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: 61964c23e5
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Greg Kurz 2016-02-18 12:32:18 +01:00 committed by David Gibson
parent 2d7d06d847
commit 09b5e30da5
1 changed files with 1 additions and 0 deletions
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hw/ppc/spapr.c
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@ -2427,6 +2427,7 @@ static void spapr_machine_2_3_instance_options(MachineState *machine)
spapr_machine_2_4_instance_options(machine);
savevm_skip_section_footers();
global_state_set_optional();
savevm_skip_configuration();
}
static void spapr_machine_2_3_class_options(MachineClass *mc)