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Re: [Xen-devel] [PATCH 03/13] xen: fix evtchn_unbind_from_user

To: David Vrabel <david.vrabel@xxxxxxxxxx>
From: Wei Liu <wei.liu2@xxxxxxxxxx>
Date: Fri, 1 Feb 2013 12:33:05 +0000
Cc: "konrad.wilk@xxxxxxxxxx" <konrad.wilk@xxxxxxxxxx>, wei.liu2@xxxxxxxxxx, Ian Campbell <Ian.Campbell@xxxxxxxxxx>, "jbeulich@xxxxxxxx" <jbeulich@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxx>
Delivery-date: Fri, 01 Feb 2013 12:33:37 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On Fri, 2013-02-01 at 11:15 +0000, David Vrabel wrote:
> On 31/01/13 14:46, Wei Liu wrote:
> > It is possible the port was allocated but the irq was not. Take care of this
> > case.
> 
> I think the port should be closed when the evtchn_bind_to_user() fails
> otherwise the evtchn driver is leaving the event channel in an
> inconsistent state.
> 

Good point! I will move the fix there.

Wei.


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  - From: David Vrabel

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