From: Jerry Snitselaar <jsnitsel@redhat.com>
To: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Cc: linux-integrity@vger.kernel.org,
linux-security-module@vger.kernel.org,
Peter Huewe <PeterHuewe@gmx.de>, Jason Gunthorpe <jgg@ziepe.ca>,
Tomas Winkler <tomas.winkler@intel.com>,
Tadeusz Struk <tadeusz.struk@intel.com>,
Stefan Berger <stefanb@linux.vnet.ibm.com>,
Nayna Jain <nayna@linux.ibm.com>
Subject: Re: [PATCH v10 00/17] Remove nested TPM operations
Date: Thu, 24 Jan 2019 18:05:19 -0700 [thread overview]
Message-ID: <20190125010519.4tqcno4iaha4ww7r@cantor> (raw)
In-Reply-To: <20190116212342.24524-1-jarkko.sakkinen@linux.intel.com>
On Wed Jan 16 19, Jarkko Sakkinen wrote:
>Make the changes necessary to detach TPM space code and TPM activation
>code out of the tpm_transmit() flow because of both of these can cause
>nested tpm_transmit() calls. The nesteds calls make the whole flow hard
>to maintain, and thus, it is better to just fix things now before this
>turns into a bigger mess.
>
>v10:
>* Use void pointers to avoid unnecessary casts in functions paramaters
> where it makes sense.
>
>v9:
>* Fixed again tpm_try_get_ops().
>* Added missing reviewed-by's.
>
>v8:
>* Re-add the check for ret < 0 after calling tpm_try_transmit() that
> was dropped by mistake while moving code.
>* Fix error fallback for tpm_try_get_ops() when tpm_chip_start()
> fails.
>
>v7:
>* Reorganize series so that more trivial and self-contained changes are
> in the head.
>
>v6:
>* When tpm_validate_commmand() was moved to tpm2-space.c, the struct for
> the TPM header was incorrectly declared as struct tpm_input_header.
>* Fix return value in tpm_validate_command().
>
>v5:
>* Add the missing rev's from Stefan Berger.
>
>v4:
>* Return 0 from pcrs_show() when tpm1_pcr_read() fails.
>* Fix error handling flow in tpm_try_transmit().
>* Replace struct tpm_input_header and struct tpm_output_header with
> struct tpm_header.
>
>v3:
>* Encapsulate power gating code to tpm_chip_start() and tpm_chip_stop().
>* Move TPM power gating code and locking to tpm_try_get_ops() and
> tpm_put_ops().
>* Call power gating code directly in tpm_chip_register() and
> tpm2_del_space().
>
>v2:
>* Print tpm2_commit_space() error inside tpm2_commit_space()
>* Error code was not printed when recv() callback failed. It is
> fixed in this version.
>* Added a patch that removes @space from tpm_transmit().
>* Fixed a regression in earlier series. Forgot to amend the change
> from the staging area that renames NESTED to UNLOCKED in tpm2-space.c.
>Jarkko Sakkinen (17):
> tpm: use tpm_buf in tpm_transmit_cmd() as the IO parameter
> tpm: fix invalid return value in pubek_show()
> tpm: return 0 from pcrs_show() when tpm1_pcr_read() fails
> tpm: print tpm2_commit_space() error inside tpm2_commit_space()
> tpm: declare struct tpm_header
> tpm: access command header through struct in tpm_try_transmit()
> tpm: encapsulate tpm_dev_transmit()
> tpm: call tpm2_flush_space() on error in tpm_try_transmit()
> tpm: clean up tpm_try_transmit() error handling flow
> tpm: move tpm_validate_commmand() to tpm2-space.c
> tpm: move TPM space code out of tpm_transmit()
> tpm: remove @space from tpm_transmit()
> tpm: use tpm_try_get_ops() in tpm-sysfs.c.
> tpm: remove TPM_TRANSMIT_UNLOCKED flag
> tpm: introduce tpm_chip_start() and tpm_chip_stop()
> tpm: take TPM chip power gating out of tpm_transmit()
> tpm: remove @flags from tpm_transmit()
>
> drivers/char/tpm/tpm-chip.c | 109 ++++++++++++
> drivers/char/tpm/tpm-dev-common.c | 45 ++++-
> drivers/char/tpm/tpm-interface.c | 264 ++++++------------------------
> drivers/char/tpm/tpm-sysfs.c | 138 ++++++++++------
> drivers/char/tpm/tpm.h | 64 +++-----
> drivers/char/tpm/tpm1-cmd.c | 28 +---
> drivers/char/tpm/tpm2-cmd.c | 72 +++-----
> drivers/char/tpm/tpm2-space.c | 91 +++++++---
> drivers/char/tpm/tpm_i2c_atmel.c | 5 +-
> drivers/char/tpm/tpm_vtpm_proxy.c | 12 +-
> drivers/char/tpm/xen-tpmfront.c | 2 +-
> 11 files changed, 409 insertions(+), 421 deletions(-)
>
>--
>2.19.1
>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
next prev parent reply other threads:[~2019-01-25 1:05 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-16 21:23 [PATCH v10 00/17] Remove nested TPM operations Jarkko Sakkinen
2019-01-16 21:23 ` [PATCH v10 01/17] tpm: use tpm_buf in tpm_transmit_cmd() as the IO parameter Jarkko Sakkinen
2019-01-16 21:23 ` [PATCH v10 02/17] tpm: fix invalid return value in pubek_show() Jarkko Sakkinen
2019-01-16 21:23 ` [PATCH v10 03/17] tpm: return 0 from pcrs_show() when tpm1_pcr_read() fails Jarkko Sakkinen
2019-01-16 21:23 ` [PATCH v10 04/17] tpm: print tpm2_commit_space() error inside tpm2_commit_space() Jarkko Sakkinen
2019-01-16 21:23 ` [PATCH v10 05/17] tpm: declare struct tpm_header Jarkko Sakkinen
2019-01-16 21:23 ` [PATCH v10 06/17] tpm: access command header through struct in tpm_try_transmit() Jarkko Sakkinen
2019-01-16 21:23 ` [PATCH v10 07/17] tpm: encapsulate tpm_dev_transmit() Jarkko Sakkinen
2019-01-16 21:23 ` [PATCH v10 08/17] tpm: call tpm2_flush_space() on error in tpm_try_transmit() Jarkko Sakkinen
2019-01-29 17:06 ` James Bottomley
2019-01-29 18:53 ` Jarkko Sakkinen
2019-01-29 19:02 ` James Bottomley
2019-01-29 21:11 ` Jarkko Sakkinen
2019-01-16 21:23 ` [PATCH v10 09/17] tpm: clean up tpm_try_transmit() error handling flow Jarkko Sakkinen
2019-01-16 21:23 ` [PATCH v10 10/17] tpm: move tpm_validate_commmand() to tpm2-space.c Jarkko Sakkinen
2019-01-16 21:23 ` [PATCH v10 11/17] tpm: move TPM space code out of tpm_transmit() Jarkko Sakkinen
2019-01-16 21:23 ` [PATCH v10 12/17] tpm: remove @space from tpm_transmit() Jarkko Sakkinen
2019-01-16 21:23 ` [PATCH v10 13/17] tpm: use tpm_try_get_ops() in tpm-sysfs.c Jarkko Sakkinen
2019-01-16 21:23 ` [PATCH v10 14/17] tpm: remove TPM_TRANSMIT_UNLOCKED flag Jarkko Sakkinen
2019-01-16 21:23 ` [PATCH v10 15/17] tpm: introduce tpm_chip_start() and tpm_chip_stop() Jarkko Sakkinen
2019-01-16 21:23 ` [PATCH v10 16/17] tpm: take TPM chip power gating out of tpm_transmit() Jarkko Sakkinen
2019-01-16 21:23 ` [PATCH v10 17/17] tpm: remove @flags from tpm_transmit() Jarkko Sakkinen
2019-01-23 18:20 ` [PATCH v10 00/17] Remove nested TPM operations Jarkko Sakkinen
2019-01-23 18:53 ` Stefan Berger
2019-01-23 18:59 ` Winkler, Tomas
2019-01-29 12:33 ` Jarkko Sakkinen
2019-01-29 14:16 ` Winkler, Tomas
2019-01-29 18:30 ` Jarkko Sakkinen
2019-01-29 12:31 ` Jarkko Sakkinen
2019-01-31 0:28 ` James Bottomley
2019-01-31 16:11 ` Jarkko Sakkinen
2019-01-25 1:05 ` Jerry Snitselaar [this message]
2019-01-29 12:33 ` Jarkko Sakkinen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190125010519.4tqcno4iaha4ww7r@cantor \
--to=jsnitsel@redhat.com \
--cc=PeterHuewe@gmx.de \
--cc=jarkko.sakkinen@linux.intel.com \
--cc=jgg@ziepe.ca \
--cc=linux-integrity@vger.kernel.org \
--cc=linux-security-module@vger.kernel.org \
--cc=nayna@linux.ibm.com \
--cc=stefanb@linux.vnet.ibm.com \
--cc=tadeusz.struk@intel.com \
--cc=tomas.winkler@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).