On Thu Jul 4, 2024 at 4:03 PM EEST, Michael Ellerman wrote: > "Jarkko Sakkinen" <jarkko@xxxxxxxxxx> writes: > > On Wed Jul 3, 2024 at 8:08 PM EEST, Jarkko Sakkinen wrote: > >> Tested on x86-64 with: > >> > >> - TCG_TPM2_HMAC disabled. > >> - TCG_TPM2_HMAC enabled. > >> - TCG_TPM2_HMAC enabled, and "/* rc = tpm2_sessions_init(chip); */". > >> > >> Jarkko Sakkinen (3): > >> tpm: Address !chip->auth in tpm2_*_auth_session() > >> tpm: Address !chip->auth in tpm_buf_append_name() > >> tpm: Address !chip->auth in tpm_buf_append_hmac_session*() > >> > >> drivers/char/tpm/Makefile | 2 +- > >> drivers/char/tpm/tpm2-sessions.c | 400 +++++++++++++++++-------------- > >> include/linux/tpm.h | 75 ++---- > >> 3 files changed, 245 insertions(+), 232 deletions(-) > > > > Aiming these still to 6.10 so that there would not be known regressions > > in hmac authenticated sessions. Note that issue is wider than "just" > > tpm_ibmvtpm. > > This seems OK on my PowerVM box using tpm_ibmvtpm and TCG_TPM2_HMAC=y. > I do see one new message: > > [ 2.475208] tpm2_start_auth_session: encryption is not active > > But no error messages like on mainline. > > Tested-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> (powerpc) Thank you, appreciate this! BR, Jarkko