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RE: [Xen-devel] Re: VT-d scalability issue

To: "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxxx>, "Zhai, Edwin" <edwin.zhai@xxxxxxxxx>
Subject: RE: [Xen-devel] Re: VT-d scalability issue
From: "Ian Pratt" <Ian.Pratt@xxxxxxxxxxxxx>
Date: Wed, 10 Sep 2008 09:13:06 +0100
Cc: Ian Pratt <Ian.Pratt@xxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
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Thread-topic: [Xen-devel] Re: VT-d scalability issue
> On 10/9/08 01:09, "Zhai, Edwin" <edwin.zhai@xxxxxxxxx> wrote:
> 
> >> (b) presumably your upcoming (and existing current?) processors
> support
> >> wbinvd exiting anyway?
> >
> > Yes, but exist system has such problem.
> 
> Is any significant number of people really using VT-d yet? I must say
> I'm skeptical as to whether the existing hardware base really matters
all
> that much.

Which of the current shipping CPUs do support wbinvd exiting?

Not even Wikipedia knows the answer to that question and it's usually
the best source of information about Intel CPU, certainly more help than
the Intel web site :-)

Ian

 

 
>  -- Keir
> 
> 
> 
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