linux-kernel - Re: [Patch v7 0/4] Create and consolidate trusted keys subsystem

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Message-ID: <CAFA6WYOsP+1WDyuPBcOa9h07tqyCrtNLfXz-joNYj=Kdo+poYg@mail.gmail.com>
Date:   Tue, 15 Oct 2019 13:58:18 +0530
From:   Sumit Garg <sumit.garg@...aro.org>
To:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
Cc:     dhowells@...hat.com, peterhuewe@....de, 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,
        Herbert Xu <herbert@...dor.apana.org.au>, davem@...emloft.net,
        jgg@...pe.ca, Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        jejb@...ux.ibm.com, Mimi Zohar <zohar@...ux.ibm.com>,
        James Morris <jmorris@...ei.org>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        Jerry Snitselaar <jsnitsel@...hat.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Daniel Thompson <daniel.thompson@...aro.org>
Subject: Re: [Patch v7 0/4] Create and consolidate trusted keys subsystem

On Tue, 15 Oct 2019 at 01:04, Jarkko Sakkinen
<jarkko.sakkinen@...ux.intel.com> wrote:
>
> On Fri, Oct 11, 2019 at 03:37:57PM +0300, Jarkko Sakkinen wrote:
> > On Mon, Oct 07, 2019 at 10:55:31AM +0530, Sumit Garg wrote:
> > > This patch-set does restructuring of trusted keys code to create and
> > > consolidate trusted keys subsystem.
> > >
> > > Also, patch #2 replaces tpm1_buf code used in security/keys/trusted.c and
> > > crypto/asymmertic_keys/asym_tpm.c files to use the common tpm_buf code.
> > >
> > > Changes in v7:
> > > 1. Rebased to top of tpmdd/master
> > > 2. Patch #4: update tpm2 trusted keys code to use tpm_send() instead of
> > >    tpm_transmit_cmd() which is an internal function.
> > >
> > > Changes in v6:
> > > 1. Switch TPM asymmetric code also to use common tpm_buf code. These
> > >    changes required patches #1 and #2 update, so I have dropped review
> > >    tags from those patches.
> > > 2. Incorporated miscellaneous comments from Jarkko.
> > >
> > > Changes in v5:
> > > 1. Drop 5/5 patch as its more relavant along with TEE patch-set.
> > > 2. Add Reviewed-by tag for patch #2.
> > > 3. Fix build failure when "CONFIG_HEADER_TEST" and
> > >    "CONFIG_KERNEL_HEADER_TEST" config options are enabled.
> > > 4. Misc changes to rename files.
> > >
> > > Changes in v4:
> > > 1. Separate patch for export of tpm_buf code to include/linux/tpm.h
> > > 2. Change TPM1.x trusted keys code to use common tpm_buf
> > > 3. Keep module name as trusted.ko only
> > >
> > > Changes in v3:
> > >
> > > Move TPM2 trusted keys code to trusted keys subsystem.
> > >
> > > Changes in v2:
> > >
> > > Split trusted keys abstraction patch for ease of review.
> > >
> > > Sumit Garg (4):
> > >   tpm: Move tpm_buf code to include/linux/
> > >   KEYS: Use common tpm_buf for trusted and asymmetric keys
> > >   KEYS: trusted: Create trusted keys subsystem
> > >   KEYS: trusted: Move TPM2 trusted keys code
> > >
> > >  crypto/asymmetric_keys/asym_tpm.c                  | 101 +++----
> > >  drivers/char/tpm/tpm-interface.c                   |  56 ----
> > >  drivers/char/tpm/tpm.h                             | 226 ---------------
> > >  drivers/char/tpm/tpm2-cmd.c                        | 307 --------------------
> > >  include/Kbuild                                     |   1 -
> > >  include/keys/{trusted.h => trusted_tpm.h}          |  49 +---
> > >  include/linux/tpm.h                                | 251 ++++++++++++++--
> > >  security/keys/Makefile                             |   2 +-
> > >  security/keys/trusted-keys/Makefile                |   8 +
> > >  .../{trusted.c => trusted-keys/trusted_tpm1.c}     |  96 +++----
> > >  security/keys/trusted-keys/trusted_tpm2.c          | 314 +++++++++++++++++++++
> > >  11 files changed, 652 insertions(+), 759 deletions(-)
> > >  rename include/keys/{trusted.h => trusted_tpm.h} (77%)
> > >  create mode 100644 security/keys/trusted-keys/Makefile
> > >  rename security/keys/{trusted.c => trusted-keys/trusted_tpm1.c} (94%)
> > >  create mode 100644 security/keys/trusted-keys/trusted_tpm2.c
> > >
> > > --
> > > 2.7.4
> > >
> >
> > I fixed a merge conflict caused by James' commit. Already pushed.
> > Compiling test kernel ATM i.e. tested-by's will follow later.
>
> Update to my latest master for v8 (otherwise there won't be a clean
> merge).
>

Okay, I will send v8 to rebase to your latest master.

-Sumit

> /Jarkko