From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Campbell <ian.campbell@citrix.com>
Subject: Re: [PATCH 20/29] libxl: cancellation: Note that driver
 domain task cannot be usefully cancelled
Date: Tue, 24 Mar 2015 11:51:13 +0000
Message-ID: <1427197873.21742.363.camel@citrix.com>
References: <1423599016-32639-1-git-send-email-ian.jackson@eu.citrix.com>
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To: Ian Jackson <ian.jackson@eu.citrix.com>
Cc: xen-devel@lists.xensource.com, Euan Harris <euan.harris@citrix.com>, Roger Pau Monne <roger.pau@citrix.com>
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On Tue, 2015-02-10 at 20:10 +0000, Ian Jackson wrote:
> In practice, cancelling this task will cause all subsequent actual
> backend operations to fail, but will not actually cause the
> libxl_device_events_handler operation to complete.
> 
> Signed-off-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
> CC: Roger Pau Monne <roger.pau@citrix.com>

Acked-by: Ian Campbell <ian.campbell@citrix.com>

This is an unfortunate short-coming though, and I presume one which
could be fixed by updates to the toolstack<->driver domain protocol?

Ian.