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SubjectRe: 2.4.18 Preempt Freezeups

> > "This kernel module attempts to isolate all of the functions and
> > structures that NeTraverse utilizes in it's binary kernel modules."
> >
> > The win4lin patch (also GPL) provides hooks for the mki-adapter module
> > to call.
>
> Not really. Because if the win4lin patch provides hooks for binary modules
> that the binary modules depend upon then its hard to see how the two are
> resolvable. Either its GPL , in which case why is nonGPL code dependant
> on it and not shipped GPL, or it isnt

Perhaps there is a license violation here then. There are two patches
involved, both available from the Netraverse site once you are
registered there.

https://www.netraverse.com/member/downloads/misc.php?refresh=yes&

The first patch, w4l-hooks, modifies these files, which are all part of
the kernel, thus GPL. The mki.c file has a header which says that it is
GPL.

arch/i386/Makefile
arch/i386/boot/compressed/head.S
arch/i386/boot/compressed/misc.c
arch/i386/boot/setup.S
arch/i386/config.in
arch/i386/kernel/entry.S
arch/i386/kernel/head.S
arch/i386/kernel/process.c
arch/i386/kernel/signal.c
arch/i386/kernel/smpboot.c
arch/i386/kernel/trampoline.S
arch/i386/mki/Makefile
arch/i386/mki/mki.c
arch/i386/mm/fault.c
include/asm-i386/desc.h
include/asm-i386/mki.h
include/asm-i386/mkiversion.h
include/asm-i386/segment.h
include/linux/sched.h
kernel/exit.c
kernel/fork.c
kernel/sched.c
mm/vmscan.c

The second patch, mki-adapter, creates a new kernel module with a
LICENSE file that says that it is GPL, version 2. All the files in the
patch refer to the LICENSE file.

The output of lsmod shows:

fokker% lsmod
Module Size Used by Tainted: P
Mvnetd 8676 1 (unused)
Mvnet 51952 0 [Mvnetd]
Mvnetint 216 0 (unused)
Mvw 4172 0 (unused)
Mvmouse 704 0 (unused)
Mvkbd 824 0 (unused)
Mvgic 3160 0 (unused)
Mvdsp 904 0 (unused)
Mserial 5724 0 (unused)
Mmpip 6796 0 (unused)
Mmerge 127556 0 [Mvnetd Mvnet Mvw Mvmouse Mvkbd Mvgic
Mvdsp Mserial Mmpip]
mki-adapter 20944 0 [Mvnetd Mvnet Mvnetint Mvw Mvmouse
Mvkbd Mvgic Mvdsp Mserial Mmpip Mmerge]
[...]


All of M* modules are binary modules that come as part of the win4lin
binary package. It looks like they are all dependent on Mmerge (binary)
and mki-adapter (GPL). Additionally, the mki-adapter README file has
this:

"This kernel module attempts to isolate all of the functions and
structures that NeTraverse utilizes in it's binary kernel modules."

So it certainly seems that they are dependent on the existence of
mki-adapter.

The M* modules should be available as GPL then?

-- Ian

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Ian Duggan ian@ianduggan.net
http://www.ianduggan.net
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