Re: [PATCH for-4.14] tpm: Unify the mismatching TPM space buffer sizes

[Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>]

On Mon, Aug 31, 2020 at 02:58:49PM -0400, Stefan Berger wrote:
> From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
> 
> The size of the buffers for storing context's and sessions can vary from
> arch to arch as PAGE_SIZE can be anything between 4 kB and 256 kB (the
> maximum for PPC64). Define a fixed buffer size set to 16 kB. This should be
> enough for most use with three handles (that is how many we allow at the
> moment). Parametrize the buffer size while doing this, so that it is easier
> to revisit this later on if required.
> 
> Cc: stable@vger.kernel.org
> Reported-by: Stefan Berger <stefanb@linux.ibm.com>
> Fixes: 745b361e989a ("tpm: infrastructure for TPM spaces")
> Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
> Tested-by: Stefan Berger <stefanb@linux.ibm.com>
> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>

Thank you for doing this.

You are missing one thing from this.

You need to have this line before the long description:

  "commit <original commit ID> upstream"

It is documented over here:

   https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html

/Jarkko