Re: [PATCH] KVM: VMX: Enable Virtual Processor Identification (VPID)

Yang, Sheng
2008-01-25T01:47:23Z

On Thursday 24 January 2008 19:15:57 Aurelien Jarno wrote:
> Yang, Sheng a écrit :
> > From 39551508c869f678f028655c062b3cb5fe4715bc Mon Sep 17 00:00:00 2001
> > From: Sheng Yang <sheng.yang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> > Date: Thu, 17 Jan 2008 15:14:33 +0800
> > Subject: [PATCH] KVM: VMX: Enable Virtual Processor Identification (VPID)
> >
> > To allow TLB entries to be retained across VM entry and VM exit, the VMM
> > can now identify distinct address spaces through a new virtual-processor
> > ID (VPID) field of the VMCS.
>
> Is it something supported by new processors only? If yes, could you
> please tell us which CPU support that?

Nehalem microarchitecture.

--
Thanks
Yang, Sheng