PREEMPT-RT is almost completely in mainline. As your linked article says, pretty much the last issue is printk. You can download the last patch here, it's not m

PREEMPT-RT is almost completely in mainline. As your linked article says, pretty much the last issue is printk. You can download the last patch here, it's not much anymore: https://cdn.kernel.org/pub/linux/kernel/projects/rt/6.11/ https://cdn.kernel.org/pub/linux/kernel/projects/rt/6.11/ And this is the only way you'll get large changes like these into the kernel: slow and steady.