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

From: "tiejun.chen" <[email-masked]>
Date: Wed, 8 May 2013 09:53:50 +0800

On 05/08/2013 07:40 AM, Scott Wood wrote:
> On 05/07/2013 06:06:30 AM, Tiejun Chen wrote:
>> We also can direct ISI exception to Guest like DSI.
>>
>> Signed-off-by: Tiejun Chen <[email-masked]>
>> ---
>>  arch/powerpc/kvm/booke_emulate.c |    3 +++
>>  arch/powerpc/kvm/e500mc.c        |    3 ++-
>>  2 files changed, 5 insertions(+), 1 deletion(-)
>
> Are you seeing a real performance improvement from this?  This will interfere

No. But after we reduce the exit to host, shouldn't this improve performance?

> somewhat with using the VF bit, if we were to ever do so, since VF only affects

Sorry, what is the VF you said?

Tiejun