linux-kernel - Re: [RFC/RFT v3 2/3] KEYS: trusted: move tpm2 trusted keys code

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Date:   Tue, 6 Aug 2019 19:25:12 +0530
From:   Sumit Garg <sumit.garg@...aro.org>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     keyrings@...r.kernel.org, linux-integrity@...r.kernel.org,
        "open list:HARDWARE RANDOM NUMBER GENERATOR CORE" 
        <linux-crypto@...r.kernel.org>,
        linux-security-module@...r.kernel.org, dhowells@...hat.com,
        Herbert Xu <herbert@...dor.apana.org.au>, davem@...emloft.net,
        peterhuewe@....de, jgg@...pe.ca, jejb@...ux.ibm.com,
        Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        Arnd Bergmann <arnd@...db.de>,
        Mimi Zohar <zohar@...ux.ibm.com>,
        James Morris <jmorris@...ei.org>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        Casey Schaufler <casey@...aufler-ca.com>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "tee-dev @ lists . linaro . org" <tee-dev@...ts.linaro.org>
Subject: Re: [RFC/RFT v3 2/3] KEYS: trusted: move tpm2 trusted keys code

On Tue, 6 Aug 2019 at 19:13, Greg KH <gregkh@...uxfoundation.org> wrote:
>
> On Tue, Aug 06, 2019 at 07:07:19PM +0530, Sumit Garg wrote:
> > Move TPM2 trusted keys code to trusted keys subsystem.
> >
> > Suggested-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
> > Signed-off-by: Sumit Garg <sumit.garg@...aro.org>
> > ---
> >  drivers/char/tpm/tpm-interface.c          |  56 -----
> >  drivers/char/tpm/tpm.h                    | 224 ------------------
> >  drivers/char/tpm/tpm2-cmd.c               | 307 ------------------------
> >  include/keys/trusted_tpm.h                |  23 +-
> >  include/linux/tpm.h                       | 264 +++++++++++++++++++--
> >  security/keys/trusted-keys/Makefile       |   3 +-
> >  security/keys/trusted-keys/trusted-tpm.c  |  16 +-
> >  security/keys/trusted-keys/trusted-tpm2.c | 378 ++++++++++++++++++++++++++++++
> >  8 files changed, 652 insertions(+), 619 deletions(-)
> >  create mode 100644 security/keys/trusted-keys/trusted-tpm2.c
>
> 'git format-patch -M' will create a patch that shows the rename, and
> then any tiny differences that happened after that.  A patch like this
> is hard to see what changed in the move.
>

I used this option only to generate the patch-set. Following is the
command I used:

git format-patch -M -3 --cover-letter --subject-prefix="RFC/RFT v3"

It seems like for this patch I need to collect pieces from
"drivers/char/tpm/" and aggregate them under
"security/keys/trusted-keys/trusted-tpm2.c" and "include/linux/tpm.h"
files. So that could be the reason for such patch view.

-Sumit

> thanks,
>
> greg k-h