From: Sasha Levin <sashal@kernel.org>
To: Stefan Berger <stefanb@linux.vnet.ibm.com>
Cc: gregkh@linuxfoundation.org, jarkko.sakkinen@linux.intel.com,
stable@vger.kernel.org, Stefan Berger <stefanb@linux.ibm.com>,
Jerry Snitselaar <jsnitsel@redhat.com>
Subject: Re: [PATCH for-4.19] tpm: Unify the mismatching TPM space buffer sizes
Date: Mon, 31 Aug 2020 22:31:28 -0400 [thread overview]
Message-ID: <20200901023128.GE8670@sasha-vm> (raw)
In-Reply-To: <20200831185929.2696998-1-stefanb@linux.vnet.ibm.com>
On Mon, Aug 31, 2020 at 02:59:29PM -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>
I've queued this and the 4.14 backport, thanks!
--
Thanks,
Sasha
prev parent reply other threads:[~2020-09-01 2:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-31 18:59 [PATCH for-4.19] tpm: Unify the mismatching TPM space buffer sizes Stefan Berger
2020-09-01 2:31 ` Sasha Levin [this message]
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