[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 2/2] pci: Restore bus-master memory mapping state af
From: |
Hans de Goede |
Subject: |
[Qemu-devel] [PATCH 2/2] pci: Restore bus-master memory mapping state after migration |
Date: |
Thu, 8 Nov 2012 12:54:27 +0100 |
This fixes dma reads / writes from pci-devices no longer working after
migration.
Signed-off-by: Hans de Goede <address@hidden>
---
hw/pci.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/hw/pci.c b/hw/pci.c
index dceda0b..6666651 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -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;
}
--
1.7.12.1