Subject: Rationale for converting if list to TAILQ
To: None <current-users@NetBSD.ORG>
From: David Jones <firstname.lastname@example.org>
Date: 06/29/1995 16:29:49
Do the core team ever discuss rationale for changes made to the system?
The reason I ask is that in the past couple of months, the method used to
link struct ifnets has changed from a simple pointer to a TAILQ. I found
this out the hard way trying to install my firewall code at 1 AM (must
ship tomorrow) and it broke due to the change.
I don't mind that the change was made, but I'm wondering what advantages
there are to changing something simple like a pointer into a more
complicated list structure. Adding a new interface is faster, but that's
not really worth the savings - it's only done once at configuration time.
David Jones, M.A.Sc student, Electronics Group (VLSI), University of Toronto
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