From mboxrd@z Thu Jan  1 00:00:00 1970
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Sat, 03 Oct 2009 10:58:58 +0000
Subject: Re: [PATCH 00/27] Add KVM support for Book3s_64 (PPC64) hosts v4
Message-Id: <1254567538.7122.10.camel@pasglop>
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To: kvm-ppc@vger.kernel.org

On Sat, 2009-10-03 at 12:08 +0200, Avi Kivity wrote:
> 
> So these MSRs can be modified by the hypervisor?  Otherwise you'd cache 
> them in the guest with no hypervisor involvement, right?  (just making 
> sure :)

There's one MSR :-) Among others, it can be altered by the act of
taking an interrupt (for example, it contains the PR bit, which means
user vs. supervisor, things like that).

Cheers,
Ben.