linux-kernel - Re: [PATCH] security/keys/trusted: Allow operation without hardware TPM

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Message-ID: <20190325145032.GA29989@linux.intel.com>
Date:   Mon, 25 Mar 2019 16:50:32 +0200
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Dan Williams <dan.j.williams@...el.com>
Cc:     Roberto Sassu <roberto.sassu@...wei.com>,
        James Bottomley <jejb@...ux.ibm.com>,
        Mimi Zohar <zohar@...ux.ibm.com>,
        David Howells <dhowells@...hat.com>, keyrings@...r.kernel.org,
        linux-nvdimm <linux-nvdimm@...ts.01.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Silviu Vlasceanu <Silviu.Vlasceanu@...wei.com>
Subject: Re: [PATCH] security/keys/trusted: Allow operation without hardware
 TPM

On Mon, Mar 25, 2019 at 04:12:23PM +0200, Jarkko Sakkinen wrote:
> > Robert, please feel free to re-author the proposed patch however you
> > see fit, I just want whatever will get libnvdimm operational again in
> > the shortest amount of time.
> 
> I've decided go with a patch of least innovation i.e. one that simply reverts
> the old behavior. Sending patch soon.

I.e. https://www.lkml.org/lkml/2019/3/25/674

I think fixing the actual dependency issue would be unorthodox at this
point of release cycle as adding dependencies was not the root cause
for the bug even if existing somewhat unorthodox were. Better to just
the problem by reverting the semantics near the same as in v5.0 and
take this dependency discussion "offline" for the release work...

/Jarkko