Subject: Re: [v1][KVM][PATCH 1/1] kvm:ppc:booehv: direct ISI exception to Guest

From: "tiejun.chen" <[email-masked]>
Date: Thu, 9 May 2013 19:40:26 +0800

On 05/09/2013 07:34 PM, Caraman Mihai Claudiu-B02008 wrote:
>>>> VF stands for virtualization fault see MAS8[VF] and we may use it for
>> virtualized
>>
>> Looks KVM PPC have no this mechanism currently since I don't find MAS8_VF
>> is
>> used in kernel, right?
>
> Yes but 'we may use it' in the feature, I have a functional POC with VF.

Any IO performance to be improved with this POC?

> Now we capture virtualized MMIO accesses as TLB misses (we don't write
> into HW TLB guest translation outside visible memslots).

Yes.

Tiejun