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* [PATCH] Fix segfault after device assignment hot remove
@ 2010-05-06 18:58 Alex Williamson
  2010-05-11 14:31 ` Marcelo Tosatti
  0 siblings, 1 reply; 2+ messages in thread
From: Alex Williamson @ 2010-05-06 18:58 UTC (permalink / raw)
  To: KVM list

We keep a qlist of assigned devices for irq updates, but we forgot to
remove entries from it if they're hot unplugged.  This makes
assigned_dev_update_irqs() a timebomb that goes off when the guest is
rebooted.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
---

diff --git a/hw/device-assignment.c b/hw/device-assignment.c
index 1f13a6d..b9cc06f 100644
--- a/hw/device-assignment.c
+++ b/hw/device-assignment.c
@@ -1390,6 +1390,7 @@ static int assigned_exitfn(struct PCIDevice *pci_dev)
 {
     AssignedDevice *dev = DO_UPCAST(AssignedDevice, dev, pci_dev);
 
+    QLIST_REMOVE(dev, next);
     deassign_device(dev);
     free_assigned_device(dev);
     return 0;



^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] Fix segfault after device assignment hot remove
  2010-05-06 18:58 [PATCH] Fix segfault after device assignment hot remove Alex Williamson
@ 2010-05-11 14:31 ` Marcelo Tosatti
  0 siblings, 0 replies; 2+ messages in thread
From: Marcelo Tosatti @ 2010-05-11 14:31 UTC (permalink / raw)
  To: Alex Williamson; +Cc: KVM list

On Thu, May 06, 2010 at 12:58:12PM -0600, Alex Williamson wrote:
> We keep a qlist of assigned devices for irq updates, but we forgot to
> remove entries from it if they're hot unplugged.  This makes
> assigned_dev_update_irqs() a timebomb that goes off when the guest is
> rebooted.
> 
> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
> ---

Applied to master and stable-0.12, thanks.


^ permalink raw reply	[flat|nested] 2+ messages in thread

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2010-05-06 18:58 [PATCH] Fix segfault after device assignment hot remove Alex Williamson
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