From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Cooper <andrew.cooper3@citrix.com>
Subject: Re: [PATCH] x86/vPMU: constrain MSR_IA32_DS_AREA loads
Date: Thu, 17 Dec 2015 14:05:41 +0000
Message-ID: <5672C135.1060609@citrix.com>
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To: Jan Beulich <JBeulich@suse.com>, xen-devel <xen-devel@lists.xenproject.org>
Cc: Kevin Tian <kevin.tian@intel.com>, Keir Fraser <keir@xen.org>, Boris Ostrovsky <boris.ostrovsky@oracle.com>, Jun Nakajima <jun.nakajima@intel.com>
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On 17/12/15 14:01, Jan Beulich wrote:
> For one, loading the MSR with a possibly non-canonical address was
> possible since the verification is conditional, while the MSR load
> wasn't. And then for PV guests we need to further limit the range of
> valid addresses to exclude the hypervisor range.
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>

Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>