Re: [PATCH] tpm: Define TPM2_SPACE_BUFFER_SIZE to replace the use of PAGE_SIZE

[Jarkko Sakkinen]

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@xxxxxxxxxxxxx>
> > > > Cc: stable@xxxxxxxxxxxxxxx
> > > > Fixes: 745b361e989a ("tpm: infrastructure for TPM spaces")
> > > > Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>
> > > Reviewed-by: Jerry Snitselaar <jsnitsel@xxxxxxxxxx>
> > Thank you.
> > 
> > Now only needs tested-by from Stefan.
> 
> 
> Tested-by: Stefan Berger <stefanb@xxxxxxxxxxxxx>

Thanks. I'll put this eventually to the v5.9 PR.

/Jarkko