From mboxrd@z Thu Jan  1 00:00:00 1970
From: Avi Kivity <avi@redhat.com>
Subject: Re: windows workload: many ept_violation and mmio exits
Date: Sun, 28 Aug 2011 10:42:22 +0300
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Cc: Andrew Theurer <habanero@linux.vnet.ibm.com>, kvm@vger.kernel.org
To: ya su <suya94335@gmail.com>
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On 08/26/2011 08:32 AM, ya su wrote:
> hi,Avi:
>
>      I met the same problem, tons of hpet vm_exits(vector 209, fault
> address is in the guest vm's hpet mmio range), even I disable hpet
> device in win7 guest vm, it still produce a larget amount of vm_exits
> when trace-cmd ;  I add -no-hpet to start the vm, it still has HPET
> device inside VM.
>
>      Does that means the HPET device in VM does not depend on the
> emulated hpet device in qemu-kvm? Is there any way to disable the VM
> HPET device to prevent so many vm_exits?  Thansk.
>

Looks like a bug to me.

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.