From: Tim Deegan <Tim.Deegan@citrix.com>
To: Yutao Liu <universalbillow@gmail.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: HVM vs. PV in Reliability
Date: Mon, 21 Feb 2011 10:25:36 +0000 [thread overview]
Message-ID: <20110221102536.GA32074@whitby.uk.xensource.com> (raw)
In-Reply-To: <AANLkTimOpOgJu5tOmdXKmiXYRMUAmYUS+DC-Qw7hETwQ@mail.gmail.com>
At 12:55 +0000 on 20 Feb (1298206540), Yutao Liu wrote:
> Hello,I'm wondering are there any datum that can compare the reliability/availability/dependability of HVM and PV, especially the driver of them?
> For example, how many bugs found in the drivers of HVM and PV? Can any experimental datum tell HVM model is safer or otherwise?...
> If a driver in HVM crashed, will it affect DomU, Dom0, or others? and what about PV?
> Is there some research or paper talk about this?
The conventional wisdom is that since HVM has a much bigger TCB it's
probably in some sense less secure. I don't know whether anyone has
done any serious measurement or analysis of that though.
Tim.
--
Tim Deegan <Tim.Deegan@citrix.com>
Principal Software Engineer, Xen Platform Team
Citrix Systems UK Ltd. (Company #02937203, SL9 0BG)
prev parent reply other threads:[~2011-02-21 10:25 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-20 12:55 HVM vs. PV in Reliability Yutao Liu
2011-02-21 1:27 ` topperxin
2011-02-21 10:01 ` HVM " Ian Campbell
2011-02-21 10:22 ` Yutao Liu
2011-02-21 11:18 ` Ian Campbell
2011-02-21 13:36 ` Yutao Liu
2011-02-21 10:25 ` Tim Deegan [this message]
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