Does SCO own read-copy-update?
Posted Jun 13, 2003 15:51 UTC (Fri) by ssharkey
Parent article: Does SCO own read-copy-update?
If you look at the patch, there are several places where the following
+ * Copyright (c) International Business Machines Corp., 2001
And this comment also stands out:
+ * Author: Dipankar Sarma <firstname.lastname@example.org>
+ * (Based on a Dynix/ptx implementation by
+ * Paul Mckenney <email@example.com>)
No SCO copyrights occur anywhere that I could find in the patch.
*ASSUMING* that IBM did not assign the copyrights to SCO at some
point in it's relationship, HOW, exactly, does SCO claim any
The original author was from Sequent, based on code from an
IBM employee (who also happens to be the author of the paper
cited in LWN, and apparently contributed to IBM's patenting the
technique). Unless SCO somehow obtained all the *exclusive*
copyrights (and rights to the associated patents) to all code
from Project Monterey, it's difficult to see where they have a
claim. In fact, IBM may certainly have patent infringment claims
vs SCO, and/or copyright violations if this code is indeed in
All this "proves" is that there is code from IBM in the kernel.
It does NOT prove that SCO ever had any rights to that code.
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