Re: [PATCH] add feature-removal-schedule.txt documentation
From: Paul E. McKenney
Date: Sun Jan 09 2005 - 01:24:38 EST
On Sun, Jan 09, 2005 at 12:03:45AM +0100, Arjan van de Ven wrote:
> On Sat, 2005-01-08 at 21:46 +0000, Alan Cox wrote:
> > On Sad, 2005-01-08 at 18:32, Paul E. McKenney wrote:
> > > What: call_rcu(), call_rcu_bh(), and synchronize_kernel() change from
> > > EXPORT_SYMBOL() to EXPORT_SYMBOL_GPL().
> > > When: January 9, 2006
> > > Files: kernel/rcupdate.c
> > > Why: There are no known environments supporting RCU from which
> > > one could reasonably expect to port a non-GPL kernel module
> > > or driver to Linux.
> >
> > IBM might want to also note that anyone wanting to do so needs an IBM
> > patent license for non GPL use ..
>
> given this, I actually think it might be better to make it a _GPL export
> right away, anything else is setting people up in an entrapment kind of
> way.
There could be no entrapment unless IBM chose to go after people who used
RCU from a binary module.
Thanx, Paul
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