Subject: Re: the path from nathanw_sa -> newlock2
To: None <current-users@NetBSD.org>
From: Aaron J. Grier <firstname.lastname@example.org>
Date: 02/12/2007 12:22:00
On Mon, Feb 12, 2007 at 02:08:50PM +0000, David Brownlee wrote:
> The goal for newlock2 was to rework the NetBSD kernel to permit
> multiple concurrent processors in the kernel for SMP, rather than the
> previous biglock SMP implementation where (effectively) only one
> processor could be in the kernel at any given time (though any number
> of CPUs could be running userland code)
> I believe he [Andrew] covered the options in his proposal to core, and
> they made the (right) choice on how to proceed.
any chance for these to be published? the core list is still opaque to
> The current situation does not preclude someone with the desire to
> reimplement a M:N threading system, but with any luck they will be
> doing it on a kernel which has real SMP, and a reference _completely
> working_ 1:1 threading system for comparison.
thanks David, that's the information I was looking for.
does core have a secretary? are the "minutes" of these discussions
Aaron J. Grier | "Not your ordinary poofy goof." | email@example.com
"silly brewer, saaz are for pils!" -- virt