Re: [PATCH] tpm: ibmvtpm: Call tpm2_sessions_init() to initialize session support

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On Wed Jul 3, 2024 at 3:48 AM EEST, Jarkko Sakkinen wrote:
> On Wed Jul 3, 2024 at 3:34 AM EEST, Jarkko Sakkinen wrote:
> > https://lore.kernel.org/linux-integrity/20240703003033.19057-1-jarkko@xxxxxxxxxx/T/#u
> >
> > There's also bunch of other drivers than tpm_ibmvtpm so better
> > to limit it to known good drivers.
> >
> > I can take at the actual issue in August and will review any
> > possible patches then. This one I'll send after my current PR
> > for TPM has been merged.
>
> After this patch has been merged to mainline, you can send your change
> as a feature patch for tpm_ibmvtpm and replace Kconfig line with
> "depends on ... || TCG_IBMVTPM".
>
> This zeros the risk other drivers than tpm_tis, tpm_crb and tpm_ibmvtpm,
> and thus is the only possible solution that I'm willing to accept in
> *fast phase*". I.e. the most conservative and guaranteed route, like
> anyone with sane mind should really.

Ouch, that won't obviously work so please ignore this! :-) Sorry.
It really needs to be !TCG_IBMVTPM because otherwise TCG_TIS_CORE
or TCG_CRB would leak the code over there.

BR, Jarkko





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