On Wednesday, 10 September 2025 at 11:26, Peter Robinson via arm wrote: > On Wed, 10 Sept 2025 at 09:40, Dominik 'Rathann' Mierzejewski via arm > <arm@xxxxxxxxxxxxxxxxxxxxxxx> wrote: [...] > > Fedora on PineBook Pro kind of requires U-Boot to be stored in the SPI. > > As for easy modification, does SecureBoot block writes to /dev/mtd0? > > No, Secureboot doesn't write to anywhere, it reads the next phase in > the boot process, checks it's signed by the right keys and hasn't been > modified. I never said SecureBoot writes anywhere. I asked if the kernel prevents the OS from writing to SPI if SecureBoot is active. Thanks for the detailed description of the stack. Regards, Dominik -- Fedora https://fedoraproject.org Deep in the human unconscious is a pervasive need for a logical universe that makes sense. But the real universe is always one step beyond logic. -- from "The Sayings of Muad'Dib" by the Princess Irulan -- _______________________________________________ arm mailing list -- arm@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to arm-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/arm@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue