linux-kernel - RE: [PATCH] kvm/vmx: EPTP switching test

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Message-ID: <286AC319A985734F985F78AFA26841F7AC936F@shsmsx102.ccr.corp.intel.com>
Date:	Tue, 17 Nov 2015 10:44:16 +0000
From:	"Wang, Wei W" <wei.w.wang@...el.com>
To:	Paolo Bonzini <pbonzini@...hat.com>,
	"Zhang, Yang Z" <yang.z.zhang@...el.com>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:	Wanpeng Li <wanpeng.li@...ux.intel.com>,
	Radim Krčmář <rkrcmar@...hat.com>,
	Andy Lutomirski <luto@...nel.org>,
	Xiao Guangrong <guangrong.xiao@...ux.intel.com>,
	Kai Huang <kai.huang@...ux.intel.com>,
	Mihai Donțu <mdontu@...defender.com>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	"Nakajima, Jun" <jun.nakajima@...el.com>
Subject: RE: [PATCH] kvm/vmx: EPTP switching test

On 17/11/2015 18:18,  Paolo Bonzini wrote:
> On 17/11/2015 02:45, Zhang, Yang Z wrote:
> > We have a different version in hand which is using separate EPTP.
> 
> Can you say in advance what you are using EPTP switching for?  Offlist if
> necessary.

Hi Paolo,

We are using EPTP switching for a protected inter-VM communication design, as shown in the slides (#23) here: http://events.linuxfoundation.org/sites/events/files/slides/Jun_Nakajima_NFV_KVM%202015_final.pdf


Best,
Wei