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From: Greg KH <gregkh@linuxfoundation.org>
To: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Cc: linux-stabley@vger.kernel.org,
	Vadim Sukhomlinov <sukhomlinov@google.com>,
	stable@vger.kernel.org, Douglas Anderson <dianders@chromium.org>,
	Peter Huewe <peterhuewe@gmx.de>,
	Jason Gunthorpe <jgunthorpe@obsidianresearch.com>,
	"open list:TPM DEVICE DRIVER" <linux-integrity@vger.kernel.org>,
	open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 3/3] tpm: Fix TPM 1.2 Shutdown sequence to prevent future TPM operations
Date: Wed, 2 Oct 2019 15:57:58 +0200	[thread overview]
Message-ID: <20191002135758.GA1738718@kroah.com> (raw)
In-Reply-To: <20191002131445.7793-4-jarkko.sakkinen@linux.intel.com>

On Wed, Oct 02, 2019 at 04:14:44PM +0300, Jarkko Sakkinen wrote:
> From: Vadim Sukhomlinov <sukhomlinov@google.com>
> 
> commit db4d8cb9c9f2af71c4d087817160d866ed572cc9 upstream
> 
> TPM 2.0 Shutdown involve sending TPM2_Shutdown to TPM chip and disabling
> future TPM operations. TPM 1.2 behavior was different, future TPM
> operations weren't disabled, causing rare issues. This patch ensures
> that future TPM operations are disabled.
> 
> Fixes: d1bd4a792d39 ("tpm: Issue a TPM2_Shutdown for TPM2 devices.")
> Cc: stable@vger.kernel.org
> Signed-off-by: Vadim Sukhomlinov <sukhomlinov@google.com>
> [dianders: resolved merge conflicts with mainline]
> Signed-off-by: Douglas Anderson <dianders@chromium.org>
> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
> ---
>  drivers/char/tpm/tpm-chip.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)

What kernel version(s) is this for?

thanks,

greg k-h

  reply	other threads:[~2019-10-02 13:58 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-02 13:14 [PATCH 0/3] " Jarkko Sakkinen
2019-10-02 13:14 ` [PATCH 1/3] tpm: migrate pubek_show to struct tpm_buf Jarkko Sakkinen
2019-10-02 13:14 ` [PATCH 2/3] tpm: use tpm_try_get_ops() in tpm-sysfs.c Jarkko Sakkinen
2019-10-02 13:14 ` [PATCH 3/3] tpm: Fix TPM 1.2 Shutdown sequence to prevent future TPM operations Jarkko Sakkinen
2019-10-02 13:57   ` Greg KH [this message]
2019-10-02 15:17     ` Sasha Levin
2019-10-02 15:31       ` Jerry Snitselaar
2019-10-02 15:42         ` Jerry Snitselaar
2019-10-02 16:09           ` Greg KH
2019-10-03 11:24           ` Jarkko Sakkinen
2019-10-03 11:25             ` Jarkko Sakkinen
  -- strict thread matches above, loose matches on Subject: below --
2019-10-03 11:24 [PATCH 0/3] " Jarkko Sakkinen
2019-10-03 11:24 ` [PATCH 3/3] " Jarkko Sakkinen
2019-09-25 10:15 [PATCH 0/3] " Jarkko Sakkinen
2019-09-25 10:15 ` [PATCH 3/3] " Jarkko Sakkinen
2019-09-26 23:22   ` Sasha Levin
2019-09-24 14:01 [PATCH 0/3] " Jarkko Sakkinen
2019-09-24 14:02 ` [PATCH 3/3] " Jarkko Sakkinen

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