On Mon Mar 11, 2024 at 3:20 PM EET, Stefan Berger wrote: > If linux,sml-log is available use it to get the TPM log rather than the > pointer found in linux,sml-base. This resolves an issue on PowerVM and KVM > on Power where after a kexec the memory pointed to by linux,sml-base may > have become inaccessible or corrupted. Also, linux,sml-log has replaced > linux,sml-base and linux,sml-size on these two platforms. > > Keep the handling of linux,sml-base/sml-size for powernv platforms that > provide the two properties via skiboot. > > Fixes: c5df39262dd5 ("drivers/char/tpm: Add securityfs support for event log") > Signed-off-by: Stefan Berger <stefanb@xxxxxxxxxxxxx> I'm worried about not being up to date and instead using "cached" values when verifying anything from a security chip. Does this guarantee that TPM log is corrupted and will not get updated somehow? BR, Jarkko