More accurately, some people think it is a GPL violation.
There is no clear cut answer. You can get legal "opinions" either way.
My personal view is that it is NOT a GPL violation.
This is implied for reading the Linux source code, which explicitly allows for non GPL kernel modules.
More accurately, some people think it is a GPL violation. There is no clear cut answer. You can get legal "opinions" either way.
My personal view is that it is NOT a GPL violation. This is implied for reading the Linux source code, which explicitly allows for non GPL kernel modules.