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

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Subject: Re: [PATCH] tpm: allow TCPA log area to be empty
From: Jason Gunthorpe <jgg@xxxxxxxx>
Date: Mon, 12 Mar 2018 09:02:32 -0600
Cc: linux-integrity@xxxxxxxxxxxxxxx, linux-security-module@xxxxxxxxxxxxxxx, Sahil Rihan <srihan@xxxxxx>, Alexei Starovoitov <ast@xxxxxx>, stable@xxxxxxxxxxxxxxx, Peter Huewe <peterhuewe@xxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, open list <linux-kernel@xxxxxxxxxxxxxxx>
In-reply-to: <20180310161637.7723-1-jarkko.sakkinen@linux.intel.com>
User-agent: Mutt/1.5.24 (2015-08-30)

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

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