From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: Alexander.Steffen@infineon.com
Cc: msuchanek@suse.de, linux-security-module@vger.kernel.org,
tpmdd-devel@lists.sourceforge.net
Subject: Re: [tpmdd-devel] [PATCH RESEND 3/3] tpm-chip: Export TPM device to user space even when startup failed
Date: Sat, 2 Sep 2017 13:20:11 +0300 [thread overview]
Message-ID: <20170902102011.j77dpzuiabm2tn5l@linux.intel.com> (raw)
In-Reply-To: <d284fb46422f468cb2e5c70d3836be69@MUCSE603.infineon.com>
On Thu, Aug 31, 2017 at 04:18:42PM +0000, Alexander.Steffen@infineon.com wrote:
> > I guess Alexander should be able to propose such subset.
>
> For scenario #1 you could probably come up with a list of commands
> that are generally useful. But once you are restricted to those five
> commands, you block iterative debugging of the "I see where the
> problem might be, could you try to execute ..." fashion by requiring
> the other person to patch and rebuild their kernel.
If the subset turns out to be wrong, it can be revisited.
> For scenario #2 I see no chance to do that in a generic way. I could
> maybe tell you what the commands in this mode currently look like for
> Infineon TPMs, so that they can be whitelisted, but they might look
> different in the future and they are certainly different for other
> vendor's implementations.
It's easy to check whether a command is vendor specific and allow to
pass those through.
/Jarkko
next prev parent reply other threads:[~2017-09-02 10:20 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-24 8:37 [PATCH RESEND 0/3] Export broken TPMs to user space Alexander Steffen
[not found] ` <20170824083714.10016-1-Alexander.Steffen-d0qZbvYSIPpWk0Htik3J/w@public.gmane.org>
2017-08-24 8:37 ` [PATCH RESEND 1/3] tpm-chip: Move idr_replace calls to appropriate places Alexander Steffen
2017-08-25 17:25 ` Jarkko Sakkinen
[not found] ` <20170825172546.f4bl2wh7tgbyjx2n-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2017-08-28 17:18 ` Alexander.Steffen-d0qZbvYSIPpWk0Htik3J/w
2017-08-24 8:37 ` [PATCH RESEND 2/3] tpm-chip: Return TPM error codes from auto_startup functions Alexander Steffen
[not found] ` <20170824083714.10016-3-Alexander.Steffen-d0qZbvYSIPpWk0Htik3J/w@public.gmane.org>
2017-08-25 17:06 ` Jarkko Sakkinen
[not found] ` <20170825170607.wfnr5y5zres2n42r-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2017-08-29 12:11 ` Alexander.Steffen-d0qZbvYSIPpWk0Htik3J/w
2017-08-24 8:37 ` [PATCH RESEND 3/3] tpm-chip: Export TPM device to user space even when startup failed Alexander Steffen
2017-08-25 17:20 ` Jarkko Sakkinen
[not found] ` <20170825172021.lw3ycxqw63ubrcm2-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2017-08-28 17:15 ` Alexander.Steffen-d0qZbvYSIPpWk0Htik3J/w
2017-08-29 12:55 ` Jarkko Sakkinen
2017-08-29 13:17 ` [tpmdd-devel] " Michal Suchánek
[not found] ` <20170829151739.315ae581-6hIufAJW0g4CVLCxKZUutA@public.gmane.org>
2017-08-29 13:53 ` Peter Huewe
2017-08-30 10:26 ` [tpmdd-devel] " Jarkko Sakkinen
2017-08-30 10:15 ` Jarkko Sakkinen
2017-08-30 10:20 ` [tpmdd-devel] " Jarkko Sakkinen
2017-08-30 10:34 ` Michal Suchánek
2017-08-30 11:07 ` Jarkko Sakkinen
2017-08-31 16:18 ` Alexander.Steffen
2017-09-02 10:20 ` Jarkko Sakkinen [this message]
[not found] ` <20170830101510.rlkh2p3zecfsrhgl-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2017-08-30 10:41 ` Peter Huewe
2017-08-30 11:10 ` [tpmdd-devel] " Jarkko Sakkinen
2017-08-31 16:26 ` Alexander.Steffen
2017-09-02 10:24 ` Jarkko Sakkinen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170902102011.j77dpzuiabm2tn5l@linux.intel.com \
--to=jarkko.sakkinen@linux.intel.com \
--cc=Alexander.Steffen@infineon.com \
--cc=linux-security-module@vger.kernel.org \
--cc=msuchanek@suse.de \
--cc=tpmdd-devel@lists.sourceforge.net \
--subject='Re: [tpmdd-devel] [PATCH RESEND 3/3] tpm-chip: Export TPM device to user space even when startup failed' \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).