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

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On Wed, Jul 12, 2017 at 07:13:40PM -0700, Josh Zimmerman wrote:
> On Wed, Jul 12, 2017 at 5:41 PM, Josh Zimmerman <joshz@xxxxxxxxxx> 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).

Thanks, both now queued up in the 4.9-stable queue.

greg k-h



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