Yar Tikhiy wrote:
On Wed, Apr 25, 2007 at 02:41:00PM -0400, Stephan Uphoff wrote:
Yar Tikhiy wrote:
On Sat, Apr 21, 2007 at 09:54:12AM -0600, Coleman Kane wrote:
On Sat, 2007-04-21 at 17:03 +0200, Andre Oppermann wrote:
Stephan Uphoff wrote:
ups         2007-04-21 14:17:30 UTC

 FreeBSD src repository

 Modified files:
sys/amd64/amd64 pmap.c sys/i386/i386 pmap.c Log:
 Modify TLB invalidation handling.
Reviewed by: alc@, peter@
 MFC after:      1 week
Could you be a bit more verbose what changed here and why it
was done?

I agree. I would really like to know what the modification accomplishes.
Alas, we don't live in an ideal world.  If we did, our commit
messages would always follow the well-known guideline:

0. Tell the essence of the change.
1. Give the reason for the change.
2. Explain the change unless it's trivial.

In the ideal world there are no NDAs :-)

Was the change based on a document under NDA?  Then this case raises
an interesting question: to what extent an open source developer
is allowed to explain his code that was based on a document under
NDA?  Of course, it should depend on the NDA, but I suspect that a
typical NDA requires a lawyer to interpret it unambiguously (I've
never signed one by myself), and an overcautious lawyer would say
that the open source code itself violates the NDA because anybody
can RTFS. :-)


Wow, that was painful to read.  NDAs that specifically allow source
code licensing and distribution are quite common.  They even get written
and reviewed by lawyers! =-)

Scott
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