[PATCH] security: Fix IMA Kconfig for dependencies on ARM64
jgg at ziepe.ca
Mon Mar 12 21:59:57 UTC 2018
On Mon, Mar 12, 2018 at 05:53:18PM -0400, Mimi Zohar wrote:
> Using Kconfig to force the TPM to be builtin is not required, but
> helpful. Users interested in IMA-measurement could configure the TPM
> as builtin themselves. Without the TPM builtin, IMA goes into TPM-
> bypass mode.
This issues, broadly speaking, we have lots of TPM drivers, selecting
only some to actually support IMA shows we have some kind of problem
eg a distro on ARM should not have some TPM hardware work with IMA and
some fail just because of this kconfig.
IMHO if we want to do this, then IMA should completely disable modular
TPM drivers across the board.
Or, IMA folks need to figure out how to safely load TPM modules under
But this current kconfig approach is pretty weird..
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