"However, there is nothing in either license that prevents distributing it in the form of a binary module or in the form of source code." http://zfsonlinux.org

"However, there is nothing in either license that prevents distributing it in the form of a binary module or in the form of source code." http://zfsonlinux.org/faq.html#WhatAboutTheLicensingIssue http://zfsonlinux.org/faq.html#WhatAboutTheLicensingIssue Whether any loadable kernel module can be licensed under a different license than the GPL is still up for debate (even Linus says "sometimes"): http://www.tldp.org/HOWTO/Module-HOWTO/copyright.html http://www.tldp.org/HOWTO/Module-HOWTO/copyright.html (Of course, Ubuntu et al have been doing this for years e.g. with Nvidia or HBA binary blob drivers, so it does appear to be a mostly-settled issue..)