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From: Jarkko Sakkinen <jarkko.sakkinen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
To: Stefan Berger
	<stefanb-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
Cc: linux-security-module-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	tpmdd-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH v2 3/3] tpm: vtpm_proxy: Add ioctl to request locality prepended to command
Date: Thu, 4 May 2017 12:17:38 +0300	[thread overview]
Message-ID: <20170504091738.rxl77hjzf6vnpuda@intel.com> (raw)
In-Reply-To: <40cd7d48-f6d1-39f4-99a3-916c7cdbb636-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>

On Wed, May 03, 2017 at 07:40:48PM -0400, Stefan Berger wrote:
> On 05/03/2017 06:37 PM, Jarkko Sakkinen wrote:
> > On Fri, Apr 28, 2017 at 09:02:18AM -0400, Stefan Berger wrote:
> > > Add an ioctl to request that the locality be prepended to every TPM
> > > command.
> > Don't really understand this change. Why locality is prenpended?
> 
> Commands can be executed under locality 0-3 and for some commands it is
> important to know which locality a user may have chosen. How else should we
> convey that locality to the TPM emulator ?

Why this is not in the commit message?

More scalable way to do this would be to have a set of vtpm proxy
commands. There could be a command for requesting and releasing
locality. That would be more clean.

/Jarkko

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  parent reply	other threads:[~2017-05-04  9:17 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-28 13:02 [PATCH v2 0/3] Extend the vTPM proxy driver to pass locality to emulator Stefan Berger
     [not found] ` <1493384538-27883-1-git-send-email-stefanb-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2017-04-28 13:02   ` [PATCH v2 1/3] tpm: vtpm_proxy: Add ioctl to get supported flags Stefan Berger
2017-05-03 22:31     ` Jarkko Sakkinen
2017-04-28 13:02   ` [PATCH v2 2/3] tpm: vtpm_proxy: Implement request_locality Stefan Berger
2017-04-29 11:58   ` [PATCH v2 0/3] Extend the vTPM proxy driver to pass locality to emulator Jarkko Sakkinen
2017-04-28 13:02 ` [PATCH v2 3/3] tpm: vtpm_proxy: Add ioctl to request locality prepended to command Stefan Berger
     [not found]   ` <1493384538-27883-4-git-send-email-stefanb-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2017-04-29  7:02     ` kbuild test robot
2017-05-03 22:37   ` Jarkko Sakkinen
     [not found]     ` <20170503223747.zefh76m4youqlgje-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2017-05-03 23:40       ` Stefan Berger
     [not found]         ` <40cd7d48-f6d1-39f4-99a3-916c7cdbb636-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2017-05-04  9:17           ` Jarkko Sakkinen [this message]
2017-05-04 11:14             ` Stefan Berger
2017-05-04 18:40               ` Jarkko Sakkinen
     [not found]                 ` <20170504184007.46efvqyqwxjkzwuq-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2017-05-04 20:03                   ` Stefan Berger
2017-05-08 23:43                     ` Jarkko Sakkinen
     [not found]                       ` <20170508234328.iydmoverh5z4nwco-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2017-05-09 15:49                         ` Stefan Berger
2017-05-10 12:47                           ` Jarkko Sakkinen
2017-05-10 13:20                             ` Stefan Berger
     [not found]                               ` <2c20fc62-938a-a6da-dbb2-70711b84996d-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2017-05-10 18:33                                 ` Jarkko Sakkinen
2017-05-03 22:38 ` [PATCH v2 0/3] Extend the vTPM proxy driver to pass locality to emulator Jarkko Sakkinen
2017-05-03 23:42   ` Stefan Berger
     [not found]     ` <72bacff5-5213-b114-ebf4-6e3fe7284bdc-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2017-05-04  9:18       ` Jarkko Sakkinen

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