From mboxrd@z Thu Jan  1 00:00:00 1970
From: Olaf Hering <olaf@aepfle.de>
Subject: Re: [PATCH] xenpaging: use poll timeout if no paging
 target exists
Date: Fri, 7 Sep 2012 18:14:40 +0200
Message-ID: <20120907161440.GA30695@aepfle.de>
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To: Ian Campbell <Ian.Campbell@citrix.com>
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On Fri, Sep 07, Ian Campbell wrote:

> > +    /* Use a poll timeout until xenpaging got a target from xenstore */
> > +    paging->use_poll_timeout = 1;
> 
> Don't you want a negative (== infinite) timeout in this case?

Maybe, but this change is the simplest fix for the isse.
Waiting forever may have bad side effects, this is something to consider
for 4.3.

Olaf