> It's kind of moot anyway because the patch is outdated. But the reason > for the ___force is that the same `struct comedi_cmd` is used in both > user and kernel contexts. In user contexts, the `chanlist` member > points to user memory and in kernel contexts it points to kernel memory > (copied from userspace). Can't you use a union of the user and kernel pointers? (Possibly even anonymous?) Although, ideally, keeping them in separate fields is better. 8 bytes for a pointer isn't going make a fat lot of difference. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales) _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
