Kernel Adaptation

This section provides high level guides for users to port from the prior Kernel version 4.9 from rel-32 releases, to the Kernel version 5.10 supported in this r34 release.

From Rel-32 Kernel 4.9 to rel-34 Kernel 5.10

Compiler Update

  • The compiler has changed to Bootlin gcc 9.3.0 2020.08-1 aarch64 toolchain See the topic Jetson Linux Toolchain.

Plug-in Manager replaced by DTBO

  • The UEFI supported DTBO (Device Tree Blob for Overlay) has replaced the CBoot supported Plug-in Manager.

New Kernel Features

  • All upstream Kernel 5.10 features will be available.

Minor Version Update

  • Minor version update on the Kernel will be provided in the subsequent releases.

Customizing the Kernel

  • Users will need to flash both the Kernel image as well as the Kernel DTB (Device Tree Blob) upon any modification.

  • Replacing the Kernel image and the Kernel DTB in /boot directory is not supported.