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[Qemu-devel] [PATCH] i8254: Fix migration from older versions

From: Jan Kiszka
Subject: [Qemu-devel] [PATCH] i8254: Fix migration from older versions
Date: Sun, 06 Mar 2011 16:09:49 +0100
User-agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv: Gecko/20080226 SUSE/ Thunderbird/ Mnenhy/

From: Jan Kiszka <address@hidden>

qdev conversion broke migration as the previous version used vmstate
instance IDs derived from the iobase. Fix it by registering a legacy

Signed-off-by: Jan Kiszka <address@hidden>
 hw/i8254.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/hw/i8254.c b/hw/i8254.c
index eaf5d3e..47c9d73 100644
--- a/hw/i8254.c
+++ b/hw/i8254.c
@@ -520,6 +520,8 @@ static int pit_initfn(ISADevice *dev)
     register_ioport_read(pit->iobase, 3, 1, pit_ioport_read, pit);
     isa_init_ioport(dev, pit->iobase);
+    qdev_set_legacy_instance_id(&dev->qdev, pit->iobase, 2);
     return 0;

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