On 3/20/2017 5:54 AM, [email protected] wrote: > > There are a few special cases that need some thought though. For > example, it is possible to use an upgrade to switch the TPM family > from 1.2 to 2.0 (or vice versa). In this case it seems useful to let > the kernel reinitialize the TPM driver, so it uses the correct > timeouts for communication, activates the correct features (resource > manager or not?), etc., without needing to reboot the system.
In practice, would a TPM upgrade from TPM 1.2 to TPM 2.0 even occur without a reboot? Is it an important use case? 1 - It would leave the SHA-256 PCRs in the reset state. 2 - It's possible that this upgrade would also require a BIOS upgrade. ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ tpmdd-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/tpmdd-devel
