Re: [PATCH] tpm: allow TCPA log area to be empty

From: Jarkko Sakkinen
Date: Fri Mar 16 2018 - 08:55:41 EST


On Mon, Mar 12, 2018 at 09:02:32AM -0600, Jason Gunthorpe wrote:
> On Sat, Mar 10, 2018 at 06:16:37PM +0200, Jarkko Sakkinen wrote:
> > TCPA log are can be empty when the TPM is disabled. This commit changes the
> > behavior of tpm_read_log_acpi() to return successfully in this case.
>
> The commit should explain why we'd want this..
>
> eg Why does it matter to create the extra sysfs files to report an empty
> log?
>
> Jason

The initialization of the driver will fail otherwise. Not sure if I
understand your question.

/Jarkko