Re: [PATCH v1 0/2] Run TPM2_Shutdown on system shutdown

On Wed, Jul 12, 2017 at 5:41 PM, Josh Zimmerman <[email protected]> wrote:
> This patchset causes all devices in the tpm class to issue TPM2_Shutdown
> when the system is shutting down.
>
> As a prerequisite, it adds a "shutdown" method to "struct class".
>
> Backporting to 4.9 since this bug can lock users out of their TPMs.
>
> Backport of f77af1516584 'Add "shutdown" to "struct class".' and
> d1bd4a792d39 'tpm: Issue a TPM2_Shutdown for TPM2 devices.'
>
>  drivers/base/core.c          |  6 +++++-
>  drivers/char/tpm/tpm-chip.c  | 36 ++++++++++++++++++++++++++++++++++++
>  drivers/char/tpm/tpm-sysfs.c |  5 +++++
>  include/linux/device.h       |  2 ++
>  4 files changed, 48 insertions(+), 1 deletion(-)


In case this wasn't clear, this backport was tested on 4.9. I have not
yet tested on 4.4. I'm intending to test and send another patch for
that later this week (ideally tomorrow).
Josh