On Wed, 2017-02-01 at 08:46 +1100, James Morris wrote: > On Tue, 31 Jan 2017, Jarkko Sakkinen wrote: > > > James, > > > > The discussion is about two features: > > > > 1. Extension to tpm_pcr_extend() (used by IMA) to extend all PCR banks > > instead of just SHA-1 banks. It is recommended by TCG to do so in > > order to prevent malicious use of PCRs. > > 2. TPM 2.0 event log with backend support for OF device tree (for > > getting address where you can grab it). > > > > These are required as baseline to implement full TPM 2.0 support for > > IMA. The commits are fairly well baked and went through many iterations. > > I've tested tpm_pcr_extend() patches. I haven't tested event log patches > > but have extensively reviewed them and Ken Goldman has tested them with > > POWER hardware. > > > > I don't believe that there is major risk to put them already into 4.11 > > but it is fairly late so I just want a second opinion before putting > > them into pull request. > > > > I'll take this for 4.11. IMA + TPM 2.0 is still developmental and not in > wide use, afaik.
Thank you! FYI, I've been running with them as well. Mimi
