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[PULL,6/8] spapr: skip configuration section during migration of older machines

Message ID 1456729111-16797-7-git-send-email-david@gibson.dropbear.id.au (mailing list archive)
State New, archived
Headers show

Commit Message

David Gibson Feb. 29, 2016, 6:58 a.m. UTC 
From: Greg Kurz <gkurz@linux.vnet.ibm.com>

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: 61964c23e5ddd5a33f15699e45ce126f879e3e33
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>
---
 hw/ppc/spapr.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 3b4a557..e9d4abf 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -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)