• Add support for ARM64.
• Update various information on README.
• Improve Makefile.
• Add multi-arch support.
• Handle removal of HAVE_UNLOCKED_IOCTL in Linux kernel v5.9 and later.
• Prevent dpkg package creation to unnecessarily compile gdrdrv.
• Improve gdr_open error message.
• Fix bug that prevents sanity from correctly summarizing failure.
• Add dkms support in kmod package.
• Handle the removal of kzfree in Linux kernel v5.10 and later.
• Improve small-size copy-to-mapping.