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fix live migration

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Commit 1c380f9460 breaks live migration.
DMA stops working for ehci (and probably for any pci device) after
restoring the guest because the bus master region never gets enabled.
Add code doing that after loading the pci config space from vmstate.

Cc: Avi Kivity <avi@redhat.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann
2012-11-08 15:54:05 +01:00
parent 6801038bc5
commit 4ea375bf37
1 changed files with 4 additions and 0 deletions
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4
hw/pci.c
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@@ -367,6 +367,10 @@ static int get_pci_config_device(QEMUFile *f, void *pv, size_t size)
pci_update_mappings(s);
memory_region_set_enabled(&s->bus_master_enable_region,
pci_get_word(s->config + PCI_COMMAND)
& PCI_COMMAND_MASTER);
g_free(config);
return 0;
}