From: James Bottomley <jejb-tEXmvtCZX7AybS5Ee8rs3A@public.gmane.org>
To: Dan Williams
<dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
jarkko.sakkinen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org
Cc: linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org,
Roberto Sassu
<roberto.sassu-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Mimi Zohar <zohar-tEXmvtCZX7AybS5Ee8rs3A@public.gmane.org>,
David Howells <dhowells-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
keyrings-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] security/keys/trusted: Allow operation without hardware TPM
Date: Mon, 18 Mar 2019 17:24:40 -0700 [thread overview]
Message-ID: <1552955080.2785.26.camel@linux.ibm.com> (raw)
In-Reply-To: <155295271345.1945351.6465460744078693578.stgit-p8uTFz9XbKj2zm6wflaqv1nYeNYlB/vhral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
On Mon, 2019-03-18 at 16:45 -0700, Dan Williams wrote:
> Rather than fail initialization of the trusted.ko module, arrange for
> the module to load, but rely on trusted_instantiate() to fail
> trusted-key operations.
What actual problem is this fixing? To me it would seem like an
enhancement to make the trusted module fail at load time if there's no
TPM rather than waiting until first use to find out it can never work.
Is there some piece of user code that depends on the successful
insertion of trusted.ko?
James
WARNING: multiple messages have this Message-ID (diff)
From: James Bottomley <jejb@linux.ibm.com>
To: Dan Williams
<dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
jarkko.sakkinen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org
Cc: linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org,
Roberto Sassu
<roberto.sassu-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Mimi Zohar <zohar-tEXmvtCZX7AybS5Ee8rs3A@public.gmane.org>,
David Howells <dhowells-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
keyrings-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] security/keys/trusted: Allow operation without hardware TPM
Date: Tue, 19 Mar 2019 00:24:40 +0000 [thread overview]
Message-ID: <1552955080.2785.26.camel@linux.ibm.com> (raw)
In-Reply-To: <155295271345.1945351.6465460744078693578.stgit-p8uTFz9XbKj2zm6wflaqv1nYeNYlB/vhral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
On Mon, 2019-03-18 at 16:45 -0700, Dan Williams wrote:
> Rather than fail initialization of the trusted.ko module, arrange for
> the module to load, but rely on trusted_instantiate() to fail
> trusted-key operations.
What actual problem is this fixing? To me it would seem like an
enhancement to make the trusted module fail at load time if there's no
TPM rather than waiting until first use to find out it can never work.
Is there some piece of user code that depends on the successful
insertion of trusted.ko?
James
WARNING: multiple messages have this Message-ID (diff)
From: James Bottomley <jejb@linux.ibm.com>
To: Dan Williams <dan.j.williams@intel.com>, jarkko.sakkinen@linux.intel.com
Cc: Roberto Sassu <roberto.sassu@huawei.com>,
Mimi Zohar <zohar@linux.ibm.com>,
David Howells <dhowells@redhat.com>,
keyrings@vger.kernel.org, linux-nvdimm@lists.01.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] security/keys/trusted: Allow operation without hardware TPM
Date: Mon, 18 Mar 2019 17:24:40 -0700 [thread overview]
Message-ID: <1552955080.2785.26.camel@linux.ibm.com> (raw)
In-Reply-To: <155295271345.1945351.6465460744078693578.stgit@dwillia2-desk3.amr.corp.intel.com>
On Mon, 2019-03-18 at 16:45 -0700, Dan Williams wrote:
> Rather than fail initialization of the trusted.ko module, arrange for
> the module to load, but rely on trusted_instantiate() to fail
> trusted-key operations.
What actual problem is this fixing? To me it would seem like an
enhancement to make the trusted module fail at load time if there's no
TPM rather than waiting until first use to find out it can never work.
Is there some piece of user code that depends on the successful
insertion of trusted.ko?
James
next prev parent reply other threads:[~2019-03-19 0:24 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-18 23:45 [PATCH] security/keys/trusted: Allow operation without hardware TPM Dan Williams
2019-03-18 23:45 ` Dan Williams
2019-03-18 23:45 ` Dan Williams
[not found] ` <155295271345.1945351.6465460744078693578.stgit-p8uTFz9XbKj2zm6wflaqv1nYeNYlB/vhral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2019-03-19 0:24 ` James Bottomley [this message]
2019-03-19 0:24 ` James Bottomley
2019-03-19 0:24 ` James Bottomley
2019-03-19 0:30 ` Dan Williams
2019-03-19 0:30 ` Dan Williams
2019-03-19 0:30 ` Dan Williams
[not found] ` <CAA9_cmcOD2zPaaNbkYAaH5DRDRAebPkW+hwPA0zPKY4kU8R-rg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2019-03-19 0:56 ` James Bottomley
2019-03-19 0:56 ` James Bottomley
2019-03-19 0:56 ` James Bottomley
2019-03-19 1:34 ` Dan Williams
2019-03-19 1:34 ` Dan Williams
2019-03-19 1:34 ` Dan Williams
2019-03-20 1:55 ` Dan Williams
2019-03-20 1:55 ` Dan Williams
2019-03-20 1:55 ` Dan Williams
[not found] ` <CAPcyv4hXKQcdLnKG6rPNOJr2wjq31uCCr+16S5Yu6S5A_5UGrA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2019-03-20 2:19 ` James Bottomley
2019-03-20 2:19 ` James Bottomley
2019-03-20 2:19 ` James Bottomley
2019-03-19 22:56 ` Mimi Zohar
2019-03-19 22:56 ` Mimi Zohar
2019-03-19 22:56 ` Mimi Zohar
2019-03-19 23:01 ` Dan Williams
2019-03-19 23:01 ` Dan Williams
2019-03-19 23:01 ` Dan Williams
2019-03-21 13:54 ` Jarkko Sakkinen
2019-03-21 13:54 ` Jarkko Sakkinen
2019-03-21 13:54 ` Jarkko Sakkinen
2019-03-21 14:26 ` Roberto Sassu
2019-03-21 14:26 ` Roberto Sassu
2019-03-21 14:26 ` Roberto Sassu
2019-03-21 16:30 ` Dan Williams
2019-03-21 16:30 ` Dan Williams
2019-03-21 16:30 ` Dan Williams
[not found] ` <CAPcyv4gc_KWedC12bTcX24KwjKiBCF=yvouRNzCbJKaLrgJdDg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2019-03-21 17:45 ` Roberto Sassu
2019-03-21 17:45 ` Roberto Sassu
2019-03-21 17:45 ` Roberto Sassu
2019-03-22 10:12 ` Jarkko Sakkinen
2019-03-22 10:12 ` Jarkko Sakkinen
2019-03-22 15:24 ` Dan Williams
2019-03-22 15:24 ` Dan Williams
2019-03-22 15:24 ` Dan Williams
2019-03-25 14:12 ` Jarkko Sakkinen
2019-03-25 14:12 ` Jarkko Sakkinen
2019-03-25 14:12 ` Jarkko Sakkinen
2019-03-25 14:50 ` Jarkko Sakkinen
2019-03-25 14:50 ` Jarkko Sakkinen
2019-03-25 14:50 ` Jarkko Sakkinen
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