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Re: [Xen-devel] wbinvd optimization for pass through domain


  • To: "Dong, Eddie" <eddie.dong@xxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
  • Date: Fri, 16 Nov 2007 16:29:21 +0000
  • Delivery-date: Fri, 16 Nov 2007 08:30:25 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcgnNGm0msigmGgJTgihY7rnMwWIOQBOW2tO
  • Thread-topic: [Xen-devel] wbinvd optimization for pass through domain

Does CLFLUSH cause vmexit? If not this seems a bit dodgy.

 -- Keir

On 15/11/07 03:05, "Dong, Eddie" <eddie.dong@xxxxxxxxx> wrote:

> 
> This patch optimize wbinvd exit emulation for pass-through domain
> to avoid "alway wbinvd" when a VCPU is migrated. In stead, do
> host wbinvd on all host CPUs when wbinvd exit.
> 
> 
> Signed-off-by Yaozu (Eddie) Dong <eddie.dong@xxxxxxxxx>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel



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