On Thu Nov 7, 2024 at 2:51 AM EET, Jarkko Sakkinen wrote: > On Thu Nov 7, 2024 at 2:47 AM EET, Jarkko Sakkinen wrote: > > From: Mimi Zohar <zohar@xxxxxxxxxxxxx> > > > > The initial encrypted HMAC session feature added TPM bus encryption to > > various in-kernel TPM operations. This can cause performance bottlenecks > > with IMA, as it heavily utilizes PCR extend operations. > > > > In order to address this performance issue, introduce disable_encrypt_pcrs > > kernel command-line parameter to the TPM driver. > > > > Cc: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> We also probably want this: Cc: stable@xxxxxxxxxxxxxxx # v6.10+ BR, Jarkko
