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