Search code examples
linuxraspberry-piraspbianspectre

how to send kernel command line parameter in raspbian

I need to send kernel command line parameter in raspbian os to turn off spectre/meltdown patches. as i know we can do this in other linux distros through "/etc/default/grub" file by changing "GRUB_CMDLINE_LINUX=". but in raspbian os this file did not exist and even "grub-update" command and also "grub-mkconfig" did not installed.

could anyone tell me how i can pass kernel command line parameter in raspbian os?

Solution

  • You should be able to edit /boot/cmdline.txt with any editor in privilege mode.

    sudo nano /boot/cmdline.txt

    This would allow you to send any kernel command. source

    However, I think the mitigation isn't built in Raspbian.