Dual licensing [was: [PATCH 2/5] misc: mlx5ctl: Add mlx5ctl misc driver]

[Jonathan Corbet]

Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> writes:

> For your new files, please make them single license.  If you insist on
> dual licensing them, I will insist on have a lawyer sign off on them so
> that they understand the issues involved with dual licenses, and just
> how much I hate them in the kernel tree as they are a pain over time.

Out of curiosity, is there somewhere people can look for a description
of these issues and the pain they cause?  I've seen this go by enough
times to think that it would be good to set down in Documentation/
somewhere for future reference.

Thanks,

jon