From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Campbell <ian.campbell@citrix.com>
Subject: Re: [PATCH 09/12] xen: arm: correctly handle sysreg
 accesses from userspace
Date: Thu, 26 Mar 2015 11:32:56 +0000
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To: Julien Grall <julien.grall@linaro.org>
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On Wed, 2015-03-25 at 19:22 +0000, Julien Grall wrote:
> Do you have a paragraph on the spec which clearly explain the
> behavior?

Not clearly enough :-(

I think to be on the safe side I'm going to make most of these
occurrences in this series inject a trap to EL1, unless I can find a
non-ambiguous statement for a given register.

Ian.