Subject: Re: Please Revert newlock2
To: Bucky Katz <>
From: Jason Thorpe <>
List: tech-kern
Date: 02/21/2007 10:44:59
On Feb 20, 2007, at 7:42 PM, Bucky Katz wrote:

> Matt Thomas <> writes:
>> SA is/was an extremely unwieldy mechanism.  It make the kernel
>> scheduler considerably more complex and had tentacles in a myriad of
>> places it shouldn't have.  It was an interesting experiment; however
>> not all experiments succeed and SA was an unfortunate failure.
> Yes. SA does not equal M:N threads, and as I've said elsewhere, if it
> were my system, I'd burn down SA but salvage M:N through a different
> mechanism.

...and I think there have been discussions about doing so in NetBSD in  
the future.  I think Matt Thomas even spoke to this earlier in this  

-- thorpej