From mboxrd@z Thu Jan  1 00:00:00 1970
From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Subject: Re: [PATCH for-xen-4.5] x86/pvh/vpmu: Disable VPMU for
	PVH guests
Date: Tue, 25 Nov 2014 11:19:11 -0500
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To: Jan Beulich <JBeulich@suse.com>
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On 11/25/2014 09:55 AM, Jan Beulich wrote:
>
>> Regardless, do you think that disabling VPMU for PVH is worth anyway?
> That depends on what (bad) consequences not doing so has.

I haven't seen anything (besides VAPIC accesses) but I think it would be 
prudent to prevent any VPMU activity from happening. I can see, for 
example MSRs and APIC vector being written. All of which look benign on 
the first sight but who knows...

-boris