Re: kernel threads
From: Robert Watson (rwatson_at_freebsd.org)
Date: 01/29/04
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- In reply to: Julian Elischer: "Re: kernel threads"
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Date: Thu, 29 Jan 2004 10:00:10 -0500 (EST) To: Julian Elischer <julian@elischer.org>
On Wed, 28 Jan 2004, Julian Elischer wrote:
> the KSE stuff requires too much assistance from teh Userland Thread
> scheduler.
>
> HOWEVER it is possible that kthreads may one day be implemented as
> multiple threads of a single kernel process.. (but not yet)
John has been talking about doing this for a while -- clustering the
kernel threads into a smaller number of kernel processes or a single
kernel process. This is the approach Darwin takes as well, FWIW -- they
have a kernel_task in which all the various kernel threads hang out, which
avoids the overhead of full processes, as well as the emotional baggage.
I think I saw John put it on his TODO list in Perforce, so maybe it's
coming soon :-).
Robert N M Watson FreeBSD Core Team, TrustedBSD Projects
robert@fledge.watson.org Senior Research Scientist, McAfee Research
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- Previous message: Xin LI: "Call for testers: New PID allocator patch for -CURRENT"
- In reply to: Julian Elischer: "Re: kernel threads"
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