From: jarkko.sakkinen@linux.intel.com (Jarkko Sakkinen)
To: linux-security-module@vger.kernel.org
Subject: [PATCH RESEND 3/3] tpm-chip: Export TPM device to user space even when startup failed
Date: Tue, 29 Aug 2017 15:55:09 +0300 [thread overview]
Message-ID: <20170829125509.55aylht3ikes3bpy@linux.intel.com> (raw)
In-Reply-To: <adaaeae32ba64d979abfc4b758c63fc0@MUCSE603.infineon.com>
On Mon, Aug 28, 2017 at 05:15:58PM +0000, Alexander.Steffen at infineon.com wrote:
> But is that just because nobody bothered to implement the necessary
> logic or for some other reason?
We do not want user space to access broken hardware. It's a huge risk
for system stability and potentially could be used for evil purposes.
This is not going to mainline as it is not suitable for general
consumption. You must use a patched kernel if you want this.
/Jarkko
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WARNING: multiple messages have this Message-ID (diff)
From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: Alexander.Steffen@infineon.com
Cc: tpmdd-devel@lists.sourceforge.net, linux-security-module@vger.kernel.org
Subject: Re: [PATCH RESEND 3/3] tpm-chip: Export TPM device to user space even when startup failed
Date: Tue, 29 Aug 2017 15:55:09 +0300 [thread overview]
Message-ID: <20170829125509.55aylht3ikes3bpy@linux.intel.com> (raw)
In-Reply-To: <adaaeae32ba64d979abfc4b758c63fc0@MUCSE603.infineon.com>
On Mon, Aug 28, 2017 at 05:15:58PM +0000, Alexander.Steffen@infineon.com wrote:
> But is that just because nobody bothered to implement the necessary
> logic or for some other reason?
We do not want user space to access broken hardware. It's a huge risk
for system stability and potentially could be used for evil purposes.
This is not going to mainline as it is not suitable for general
consumption. You must use a patched kernel if you want this.
/Jarkko
next prev parent reply other threads:[~2017-08-29 12:55 UTC|newest]
Thread overview: 42+ 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
2017-08-25 17:25 ` Jarkko Sakkinen
2017-08-28 17:18 ` Alexander.Steffen at infineon.com
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
2017-08-25 17:20 ` Jarkko Sakkinen
2017-08-28 17:15 ` Alexander.Steffen at infineon.com
2017-08-28 17:15 ` Alexander.Steffen-d0qZbvYSIPpWk0Htik3J/w
2017-08-29 12:55 ` Jarkko Sakkinen [this message]
2017-08-29 12:55 ` Jarkko Sakkinen
2017-08-29 13:17 ` [tpmdd-devel] " Michal Suchánek
2017-08-29 13:17 ` Michal Suchánek
2017-08-29 13:53 ` Peter Huewe
2017-08-29 13:53 ` Peter Huewe
2017-08-30 10:26 ` [tpmdd-devel] " Jarkko Sakkinen
2017-08-30 10:26 ` Jarkko Sakkinen
2017-08-30 10:15 ` Jarkko Sakkinen
2017-08-30 10:15 ` Jarkko Sakkinen
2017-08-30 10:20 ` [tpmdd-devel] " Jarkko Sakkinen
2017-08-30 10:20 ` Jarkko Sakkinen
2017-08-30 10:34 ` Michal Suchánek
2017-08-30 10:34 ` Michal Suchánek
2017-08-30 11:07 ` Jarkko Sakkinen
2017-08-30 11:07 ` Jarkko Sakkinen
2017-08-31 16:18 ` Alexander.Steffen at infineon.com
2017-08-31 16:18 ` Alexander.Steffen
2017-09-02 10:20 ` Jarkko Sakkinen
2017-09-02 10:20 ` Jarkko Sakkinen
2017-08-30 10:41 ` Peter Huewe
2017-08-30 10:41 ` Peter Huewe
2017-08-30 11:10 ` [tpmdd-devel] " Jarkko Sakkinen
2017-08-30 11:10 ` Jarkko Sakkinen
2017-08-31 16:26 ` Alexander.Steffen at infineon.com
2017-08-31 16:26 ` Alexander.Steffen
2017-09-02 10:24 ` Jarkko Sakkinen
2017-09-02 10:24 ` Jarkko Sakkinen
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