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

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

Ah, so it does. That's all right then.

 -- Keir

On 19/11/07 05:08, "Dong, Eddie" <eddie.dong@xxxxxxxxx> wrote:

> xen-devel-bounces@xxxxxxxxxxxxxxxxxxx wrote:
>> Does CLFLUSH cause vmexit? If not this seems a bit dodgy.
>> 
> CLFLUSH doesn't cause VM Exit, but it is different with wbinvd.
> the later one only write back the dirty lines in local processor,
> while CLFLUSH invalidation is broadcasted thru the cache
> coherency domain.
> 
> Eddie



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