From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Gunthorpe Subject: Re: [RFC PATCH 0/4] Multi-instance vTPM driver Date: Tue, 19 Jan 2016 15:48:51 -0700 Message-ID: <20160119224851.GA31745@obsidianresearch.com> References: <1452787318-29610-1-git-send-email-stefanb@us.ibm.com> <20160119174400.GA7616@obsidianresearch.com> <201601191753.u0JHrku2031608@d01av01.pok.ibm.com> <20160119180802.GA8038@obsidianresearch.com> <1453241668.2673.31.camel@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <1453241668.2673.31.camel-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: tpmdd-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: Mimi Zohar Cc: dhowells-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, Stefan Berger , tpmdd-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org List-Id: tpmdd-devel@lists.sourceforge.net On Tue, Jan 19, 2016 at 05:14:28PM -0500, Mimi Zohar wrote: > On Tue, 2016-01-19 at 11:08 -0700, Jason Gunthorpe wrote: > > On Tue, Jan 19, 2016 at 12:53:40PM -0500, Stefan Berger wrote: > > > This series has absolutely nothing to do with resource > > > management. > > > > Sure the patch doesn't, but the proposed application does. > > > > Linux namespaces is all about resource management. > > huh? namespacing is about isolation. isolation of what? Every namespace in linux has a defined set of kernel managed resources it contains. > > This is an interesting way to make a software TPM, > > That's the intention, not namespacing the TPM. Did you read the patch? The primary goal of this series of patches is enabling vTPM for containers and hooking them up to a (future) namespaced IMA. However, the driver can also be used for simulating a hardware TPM on the host. Jason ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=267308311&iu=/4140