On Friday 03 June 2011, Timur Tabi wrote: > Arnd Bergmann wrote: > > For an ioctl, please follow the normal pattern of defining a separate > > structure for each case, no union. > > > > You can use a void __user * in the common ioctl function, and pass that > > to the typed argument list in the specific functions. > > I have a GPL question. This header file is currently licensed under the GPL v2 > only. Does that mean that any application that includes this header file so > that it can talk to the driver/hypervisor also needs to be licensed under the GPL? If you have a license question, ask your lawyer. Common answers that you would hear are: * User space interfaces of the kernel are excluded from the License by the "normal system call" exception in linux/COPYING. * If the header files only contain interfaces but no code, they are not copyrighted. * If you want to ship a copy of the file with a user space application source, but have to make it available under multiple licenses to do that, e.g. dual GPL/BSD. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-console" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
