Re: 2.6.0-test10-mm1

Christoph Hellwig
2003-11-26T13:09:36Z

On Wed, Nov 26, 2003 at 04:42:51AM -0800, Andrew Morton wrote:
> The individual patches in the broken-out/ directory are usually
> changelogged. This one says:
>
> It was EXPORT_SYMBOL_GPL(), however IBM's GPFS is not GPL.
>
> - the GPFS team contributed to the testing and development of
> invaldiate_mmap_range().
>
> - GPFS was developed under AIX and was ported to Linux, and hence meets
> Linus's "some binary modules are OK" exemption.
>
> - The export makes sense: clustering filesystems need it for shootdowns to
> ensure cache coherency.

Have you actually looked at the gpfs glue code? something that digs that deep
into the VM and VFS actually _must_ be derived work. Or do wed allow people
now to pay a developer tax to buy themselves free from GPL restrictions.

I as one of the collective copytight holders of the kernel strongly disagree
with that, it can't be true that IBM can just ignore copyright law..