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

From: Sumit Garg
Date: Tue Oct 15 2019 - 04:32:32 EST


On Tue, 15 Oct 2019 at 01:46, Jarkko Sakkinen
<jarkko.sakkinen@xxxxxxxxxxxxxxx> wrote:
>
> On Fri, Oct 11, 2019 at 02:05:17PM -0700, Jerry Snitselaar wrote:
> > On Fri Oct 11 19, 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.
> > >
> > > /Jarkko
> >
> > Are you missing patch 4 on master?
>
> Already removed the patch set given the sparse issues.

The sparse issues weren't due to this patch-set but they already
existed in "security/keys/trusted.c" and this patch-set only did a
rename for that file. So I think we should have a separate patch to
fix sparse issues.

-Sumit

> Read this email
> after doing that. Thanks anyway for pointing that out.
>
> /Jarkko