lgpl-relicensing.txt

   1 Mathieu Desnoyers
   2 May 13th, 2009
   3
   4 IBM Corporation allowed LGPLv2.1+ licensing of their contribution to the
   5 userspace RCU library.
   6
   7 ACCESS_ONCE(), likely(), unlikely() and barrier() are considered trivial enough
   8 that copyright does not apply to them. I (Mathieu Desnoyers) re-typed them from
   9 scratch in a mail client just to prove it.
  10
  11 Bert Wesarg <bert.wesarg@googlemail.com> approved LGPL relicensing of his patch.
  12
  13 xchg() primitives has been rewritten from a MIT-licensed cmpxchg for Intel and
  14 powerpc. They are MIT-licensed and therefore usable in LGPL code.
  15
  16 I am therefore permitted to relicense the userspace RCU library as LGPLv2.1.