Comment by AnotherGoodName 5 hours ago
Kernel modules absolutely run in kernel space though.
I’ve literally written kernel modules for high speed networking devices that have full access to the memory bus and enumerate pci devices. There’s no userspace or kernel space question here. It’s merely a matter of someone turning this into an easily installable kernel module
They have great stability between kernels by design. Better than Windows dll based drivers IMHO.
As someone who actually writes drivers I'm a little frustrated at this whole thread with people claiming Linux drivers have to be distributed this way.
Kernel modules exist for a reason, literally to allow end users as easy and as forwards compatible of a way to install drivers as windows dll based drivers. This whole thread has a lot of know nothings chiming in if I'm blunt.
Kernel modules are not going to be "easily installable" anyway because their whole purpose is to poke at kernel-internal structures that will change all the time as the kernel evolves. With source code, you'll hopefully get notified if there is breakage - the module fails to build and you need to forward-port it to the current kernel.