linux-kernel - Re: [PATCH V2 00/12] tpm + tpm

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Date:	Fri, 27 May 2011 16:55:56 -0400
From:	Stefan Berger <stefanb@...ux.vnet.ibm.com>
To:	debora@...ux.vnet.ibm.com, srajiv@...ux.vnet.ibm.com,
	tpmdd-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org
CC:	jirislaby@...il.com, preining@...ic.at
Subject: Re: [PATCH V2 00/12] tpm + tpm_tis : Various fixes

Rajiv,

   are you planning to use these patches?

Regards,
    Stefan


On 03/30/2011 12:13 PM, Stefan Berger wrote:
> This patchset fixes various issues in the general TPM driver and the TPM TIS
> driver. Some of the patches were previously posted, and are being re-posted
> without change, while other patches were refactored. This patchset applies to
> the tip of the main git tree.
>
> Patches 1-6 are related to using the timeouts that the TPM reports, along with
> work-arounds for TPMs that don't report the timeouts in microseconds but
> rather in milliseconds.
>
> Patch 7 fixes the display of the public key of the TPM's Endorsement Key in
> sysfs.
>
> Patch 8 re-enables the TPM's interrupts after resume from S3.
>
> Patch 9 is useful if the TPM is run in interrupt mode and delays the S3 suspend
> until the TPM has finished processing a command.
>
> Patch 10 fixes several aspects of the code around the probing for interrupts.
>
> Patch 11 introduces automatic probing for the Intel iTPM flaw. The probing
> is useful in combination with the 'force' module parameter that enables
> the interrupt mode on some machines but then ends up circumventing ACPI to
> determine whether an Intel iTPM is present to activate the work-around. So,
> in that case we can rely on the probing.
>
> Patch 12 fixes a typo.
>
> I have tested these patches on four different types of machines. They worked
> fine there even though the TPM could not be used in interrupt mode on all of
> them (IRQ line not connected?).
>
> V2:
>    - following Rajiv's feedback. Splitting the durations and timeout
>      patches in 3 parts.
>    - slightly rearranging the order of the patches
>
>    Regards,
>           Stefan
> --
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