[Qemu-devel] [PATCH] pci: pass bridge update to secondary bus

["Michael S. Tsirkin" <mst@redhat.com>]

bridge config write should trigger updates
on the secondary bus. never on the primary bus.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---

Compile-tested only.
Isaku Yamahata, could you review this please?
You wrote the code, and you seem to have some bridged setups.

 hw/pci.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/hw/pci.c b/hw/pci.c
index 926cf63..011d83e 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -1513,7 +1513,9 @@ static void pci_bridge_write_config(PCIDevice *d,
         /* memory base/limit, prefetchable base/limit and
            io base/limit upper 16 */
         ranges_overlap(address, len, PCI_MEMORY_BASE, 20)) {
-        pci_bridge_update_mappings(d->bus);
+        PCIBridge *s = container_of(d, PCIBridge, dev);
+        PCIBus *secondary_bus = &s->bus;
+        pci_bridge_update_mappings(secondary_bus);
     }
 }
 
-- 
1.7.2.rc0.14.g41c1c