On Sat Nov 2, 2024 at 11:02 AM EET, Ard Biesheuvel wrote: > Same for the ioctl() [as well as the read-write sysfs node]: looking > at the code (patch 19/20) it doesn't seem like user space needs to be > able to modify this at all, at least not for the patch set as > presented. So for now, can we just stick with making the sysfs node > read-only? Short answer: I have no idea. I would not mind that but neither the commit message for TPM give a clue on this. Actually, I *do not care* if it is RO and RW but I'm neither good at guessing random shit. I haad to assume it was *needed* for reason that I do not know given that sysfs attribute was RW. BR, Jarkko