From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: linux-integrity@vger.kernel.org
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>,
Stefan Berger <stefanb@linux.ibm.com>,
Peter Huewe <peterhuewe@gmx.de>, Jason Gunthorpe <jgg@ziepe.ca>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jerry Snitselaar <jsnitsel@redhat.com>,
Sumit Garg <sumit.garg@linaro.org>,
Alexey Klimov <aklimov@redhat.com>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] tpm: tpm2-space: Resize session and context buffers dynamically
Date: Thu, 25 Jun 2020 07:33:38 +0300 [thread overview]
Message-ID: <20200625043338.GA370462@linux.intel.com> (raw)
In-Reply-To: <20200625042424.370072-1-jarkko.sakkinen@linux.intel.com>
On Thu, Jun 25, 2020 at 07:24:20AM +0300, Jarkko Sakkinen wrote:
> Re-allocate context and session buffers when needed. Scale them in page
> increments so that the reallocation is only seldomly required, and thus
> causes minimal stress to the system. Add a static maximum limit of four
> pages for buffer sizes.
>
> Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
> Suggested-by: Stefan Berger <stefanb@linux.ibm.com>
> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
I'd actually consider
#define TPM2_SPACE_DEFAULT_BUFFER_SIZE PAGE_SIZE
#define TPM2_SPACE_MAX_BUFFER_SIZE (4 * PAGE_SIZE)
/JQ4KKO
next prev parent reply other threads:[~2020-06-25 4:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-25 4:24 [PATCH] tpm: tpm2-space: Resize session and context buffers dynamically Jarkko Sakkinen
2020-06-25 4:33 ` Jarkko Sakkinen [this message]
2020-06-25 12:13 ` Stefan Berger
2020-06-25 21:24 ` Jarkko Sakkinen
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