File 0023-i8254-Fix-migration-from-SLE11-SP2.patch of Package qemu.28156

From: =?UTF-8?q?Andreas=20F=C3=A4rber?= <afaerber@suse.de>
Date: Wed, 31 Jul 2013 17:05:29 +0200
Subject: i8254: Fix migration from SLE11 SP2
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qemu-kvm 0.15 had a VMSTATE_UINT32(flags, PITState) field that
qemu 1.4 does not have.

Addresses part of BNC#812836.

Signed-off-by: Andreas Färber <afaerber@suse.de>
---
 hw/timer/i8254_common.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/hw/timer/i8254_common.c b/hw/timer/i8254_common.c
index 6190b6fc5d75c63d6993955973f0..177b1acf37cc8b405f26f586d2da 100644
--- a/hw/timer/i8254_common.c
+++ b/hw/timer/i8254_common.c
@@ -259,6 +259,12 @@ static int pit_dispatch_post_load(void *opaque, int version_id)
     return 0;
 }
 
+static bool is_qemu_kvm(void *opaque, int version_id)
+{
+    /* HACK: We ignore incoming migration from upstream qemu */
+    return version_id < 3;
+}
+
 static const VMStateDescription vmstate_pit_common = {
     .name = "i8254",
     .version_id = 3,
@@ -268,6 +274,7 @@ static const VMStateDescription vmstate_pit_common = {
     .pre_save = pit_dispatch_pre_save,
     .post_load = pit_dispatch_post_load,
     .fields = (VMStateField[]) {
+        VMSTATE_UNUSED_TEST(is_qemu_kvm, 4),
         VMSTATE_UINT32_V(channels[0].irq_disabled, PITCommonState, 3),
         VMSTATE_STRUCT_ARRAY(channels, PITCommonState, 3, 2,
                              vmstate_pit_channel, PITChannelState),