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Re: [Xen-devel] [PATCHv1 net] xen-netback: stop the VIF thread before unbinding IRQs

To: david.vrabel@xxxxxxxxxx
From: David Miller <davem@xxxxxxxxxxxxx>
Date: Thu, 21 Nov 2013 13:17:51 -0500 (EST)
Cc: wei.liu2@xxxxxxxxxx, ian.campbell@xxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxx, boris.ostrovsky@xxxxxxxxxx
Delivery-date: Thu, 21 Nov 2013 18:17:57 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

From: David Vrabel <david.vrabel@xxxxxxxxxx>
Date: Thu, 21 Nov 2013 15:26:09 +0000

> From: David Vrabel <david.vrabel@xxxxxxxxxx>
> 
> If the VIF thread is still running after unbinding the Tx and Rx IRQs
> in xenvif_disconnect(), the thread may attempt to raise an event which
> will BUG (as the irq is unbound).
> 
> Signed-off-by: David Vrabel <david.vrabel@xxxxxxxxxx>

Applied.

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References:
- [Xen-devel] [PATCHv1 net] xen-netback: stop the VIF thread before unbinding IRQs
  - From: David Vrabel

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