Linked by Thom Holwerda on Tue 30th Jan 2007 21:36 UTC, submitted by David Dengg
BSD and Darwin derivatives DragonFly 1.8.0 has been released. The biggest kernel change in this release is the addition of virtual kernel support and a virtual kernel build target. The biggest user-visible changes include updates to third party applications included in the base system, a major rewrite of NULLFS which removes all directory recursion restrictions from mount_null and removes nearly all the kernel resource overhead when using such mounts, and a multi-ip feature for jails.
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In addition, it is very hard to fault the FreeBSD team for making the decision to which way to go.

Back when FreeBSD decided to go with an M:N implementation, Solaris had already switched from M:N to 1:1 and put out a white paper ( explaining why, and Linux had decided to go with NPTL instead of NGPT, IBM's M:N implementation for Linux. That was a very uncontroversial decision in the Linux camp (, because _they actually understood the ramifications_ of the different implementations.

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