Messages in this thread | | | Date | Tue, 7 Jul 2020 02:01:16 +0300 | From | Jarkko Sakkinen <> | Subject | Re: [PATCH] tpm: Define TPM2_SPACE_BUFFER_SIZE to replace the use of PAGE_SIZE |
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On Mon, Jul 06, 2020 at 02:06:09PM -0400, Stefan Berger wrote: > On 7/3/20 11:56 PM, Jarkko Sakkinen wrote: > > On Thu, Jul 02, 2020 at 04:55:44PM -0700, Jerry Snitselaar wrote: > > > On Fri Jul 03 20, Jarkko Sakkinen wrote: > > > > 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. > > > > > > > > Reported-by: Stefan Berger <stefanb@linux.ibm.com> > > > > Cc: stable@vger.kernel.org > > > > Fixes: 745b361e989a ("tpm: infrastructure for TPM spaces") > > > > Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> > > > Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com> > > Thank you. > > > > Now only needs tested-by from Stefan. > > > Tested-by: Stefan Berger <stefanb@linux.ibm.com>
Thanks. I'll put this eventually to the v5.9 PR.
/Jarkko
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